[
  {
    "id": "3",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.47,
      "Al2O3": 26.65,
      "Na2O": 1.14,
      "K2O": 1.83,
      "MgO": 0.17,
      "CaO": 0.31,
      "TiO2": 0.02,
      "Fe2O3": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 51.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "pyrax",
        "amount": 5.0
      },
      {
        "material": "alumina",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6",
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      "Amt.": 0.0,
      "SiO2": 54.98,
      "Al2O3": 20.05,
      "Na2O": 1.78,
      "K2O": 5.78,
      "MgO": 1.42,
      "CaO": 13.55,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 2.13,
      "CoO": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.9
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      {
        "material": "ep kaolin",
        "amount": 24.0
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      {
        "material": "whiting",
        "amount": 21.3
      },
      {
        "material": "talc",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.7
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.8
      }
    ]
  },
  {
    "id": "18",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.96,
      "Al2O3": 8.52,
      "Na2O": 2.75,
      "K2O": 8.83,
      "MgO": 1.48,
      "CaO": 14.0,
      "P2O5": 2.94,
      "TiO2": 0.04,
      "Fe2O3": 9.48,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 41.0
      },
      {
        "material": "wood ash",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "31",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.54,
      "Al2O3": 12.15,
      "B2O3": 1.44,
      "Na2O": 1.5,
      "K2O": 2.9,
      "MgO": 1.17,
      "CaO": 14.2,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "custer feldspar",
        "amount": 27.0
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      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "37",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.55,
      "Al2O3": 11.6,
      "B2O3": 3.62,
      "Na2O": 2.4,
      "K2O": 6.25,
      "MgO": 0.48,
      "CaO": 7.88,
      "BaO": 10.48,
      "P2O5": 0.01,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CuO": 0.33,
      "ZnO": 2.28,
      "SnO2": 7.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 59.4
      },
      {
        "material": "barium carbonate",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
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      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "ball clay",
        "amount": 3.8
      },
      {
        "material": "zinc oxide",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 7.6
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "79",
    "chemical_composition": {
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      "SiO2": 56.9,
      "Al2O3": 10.48,
      "B2O3": 4.37,
      "Na2O": 2.77,
      "K2O": 0.46,
      "MgO": 4.53,
      "CaO": 8.66,
      "P2O5": 3.72,
      "TiO2": 0.08,
      "Fe2O3": 8.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.13
      },
      {
        "material": "ep kaolin",
        "amount": 22.69
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.93
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      {
        "material": "talc",
        "amount": 14.67
      },
      {
        "material": "bone ash",
        "amount": 8.97
      },
      {
        "material": "nepheline syenite",
        "amount": 8.61
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.59
      },
      {
        "material": "total",
        "amount": 108.59
      }
    ]
  },
  {
    "id": "81",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.12,
      "Al2O3": 20.74,
      "B2O3": 0.52,
      "Li2O": 0.71,
      "Na2O": 6.82,
      "K2O": 3.24,
      "MgO": 0.19,
      "CaO": 6.33,
      "P2O5": 2.04,
      "TiO2": 0.1,
      "Fe2O3": 0.2,
      "CuO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 66.7
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      {
        "material": "petalite",
        "amount": 14.3
      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "whiting",
        "amount": 4.8
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      {
        "material": "bone ash",
        "amount": 4.7
      },
      {
        "material": "gerstley borate",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "85",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.39,
      "Al2O3": 14.97,
      "Na2O": 7.89,
      "K2O": 0.03,
      "MgO": 1.11,
      "CaO": 4.87,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 3.84,
      "CoO": 1.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 67.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.26,
      "Al2O3": 9.99,
      "Na2O": 2.05,
      "K2O": 3.1,
      "MgO": 7.6,
      "CaO": 6.23,
      "TiO2": 0.1,
      "Cr2O3": 1.02,
      "MnO2": 1.77,
      "Fe2O3": 3.03,
      "CoO": 2.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "116",
    "chemical_composition": {
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      "SiO2": 57.4,
      "Al2O3": 17.54,
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      "K2O": 3.88,
      "MgO": 3.29,
      "CaO": 5.09,
      "P2O5": 0.08,
      "TiO2": 0.25,
      "Fe2O3": 3.79,
      "CoO": 4.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "136",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.14,
      "Al2O3": 10.94,
      "Na2O": 1.59,
      "K2O": 5.39,
      "MgO": 0.02,
      "CaO": 4.32,
      "BaO": 11.5,
      "TiO2": 0.0,
      "Fe2O3": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "barium carbonate",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.62,
      "Al2O3": 10.63,
      "K2O": 9.82,
      "CaO": 8.97,
      "BaO": 2.22,
      "P2O5": 0.63,
      "Fe2O3": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 54.8
      },
      {
        "material": "silica",
        "amount": 27.4
      },
      {
        "material": "whiting",
        "amount": 13.7
      },
      {
        "material": "barium carbonate",
        "amount": 2.7
      },
      {
        "material": "bone ash",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "164",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.64,
      "Al2O3": 8.91,
      "Na2O": 1.23,
      "K2O": 4.11,
      "MgO": 0.01,
      "CaO": 0.13,
      "BaO": 32.56,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.08,
      "NiO": 1.57,
      "ZnO": 15.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 39.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 104.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "174",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.76,
      "Al2O3": 12.03,
      "Na2O": 1.7,
      "K2O": 5.44,
      "MgO": 0.07,
      "CaO": 6.65,
      "SrO": 11.36,
      "P2O5": 0.97,
      "TiO2": 8.28,
      "Fe2O3": 1.13,
      "CoO": 0.66,
      "ZnO": 7.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.5
      },
      {
        "material": "ball clay",
        "amount": 9.8
      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "zinc oxide",
        "amount": 7.6
      },
      {
        "material": "bone ash",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 94.9
      },
      {
        "material": "rutile",
        "amount": 8.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.94,
      "Al2O3": 12.0,
      "Na2O": 1.37,
      "K2O": 4.49,
      "MgO": 0.03,
      "CaO": 12.91,
      "P2O5": 0.03,
      "TiO2": 6.08,
      "Fe2O3": 0.83,
      "ZnO": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.2
      },
      {
        "material": "total base recipe",
        "amount": 101.2
      },
      {
        "material": "rutile",
        "amount": 6.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.7
      }
    ]
  },
  {
    "id": "197",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.58,
      "Al2O3": 16.89,
      "Na2O": 1.73,
      "K2O": 2.31,
      "MgO": 0.1,
      "CaO": 22.49,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "Fe2O3": 0.27,
      "CuO": 2.9,
      "SnO2": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "201",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.17,
      "Al2O3": 12.98,
      "Na2O": 4.35,
      "K2O": 2.12,
      "MgO": 0.08,
      "CaO": 0.34,
      "BaO": 30.99,
      "TiO2": 4.22,
      "Fe2O3": 3.09,
      "CuO": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.7
      },
      {
        "material": "barium carbonate",
        "amount": 38.8
      },
      {
        "material": "ball clay",
        "amount": 10.7
      },
      {
        "material": "silica",
        "amount": 7.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.93,
      "Al2O3": 11.23,
      "K2O": 8.06,
      "BaO": 12.87,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "barium carbonate",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.42,
      "Al2O3": 17.12,
      "Na2O": 6.48,
      "K2O": 3.06,
      "MgO": 4.84,
      "CaO": 7.01,
      "TiO2": 0.05,
      "ZrO2": 10.88,
      "Fe2O3": 0.26,
      "CuO": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 71.6
      },
      {
        "material": "dolomite",
        "amount": 23.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "superpax",
        "amount": 17.9
      },
      {
        "material": "bentonite",
        "amount": 4.5
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 123.9
      }
    ]
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      "B2O3": 1.22,
      "Li2O": 1.88,
      "Na2O": 7.14,
      "K2O": 1.12,
      "MgO": 0.12,
      "CaO": 2.97,
      "BaO": 5.35,
      "TiO2": 0.19,
      "Cr2O3": 0.51,
      "Fe2O3": 0.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 44.9
      },
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "tile #6 kaolin",
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      {
        "material": "barium carbonate",
        "amount": 6.7
      },
      {
        "material": "lithium carbonate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.6
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    ]
  },
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      "SrO": 2.31,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.61,
      "ZnO": 2.01,
      "SnO2": 2.97,
      "LOI": 0.0
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        "material": "custer feldspar",
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      {
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        "amount": 29.0
      },
      {
        "material": "dolomite",
        "amount": 9.5
      },
      {
        "material": "gerstley borate",
        "amount": 9.5
      },
      {
        "material": "strontium carbonate",
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      },
      {
        "material": "grolleg kaolin",
        "amount": 2.1
      },
      {
        "material": "zinc oxide",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 2.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.4
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    ]
  },
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    "id": "279",
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      "CaO": 0.4,
      "P2O5": 0.04,
      "TiO2": 0.79,
      "Fe2O3": 1.07,
      "LOI": 0.0
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    "ingredients": [
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        "material": "foundry hill creme",
        "amount": 40.0
      },
      {
        "material": "tile #6 kaolin",
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      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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      "TiO2": 0.68,
      "Fe2O3": 0.58,
      "LOI": 0.0
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    "ingredients": [
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        "material": "tile #6 kaolin",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "pyrax",
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      },
      {
        "material": "grolleg kaolin",
        "amount": 12.5
      },
      {
        "material": "xx sagger ball clay",
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      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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      "TiO2": 0.27,
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      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "tennessee ball clay",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "283",
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      "SiO2": 69.48,
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      "CaO": 0.25,
      "P2O5": 0.04,
      "TiO2": 0.59,
      "Fe2O3": 0.42,
      "LOI": 0.0
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        "material": "tile #6 kaolin",
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      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "tennessee #1 sgp ball clay",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 102.25
      }
    ]
  },
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    "id": "292",
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      "TiO2": 0.84,
      "Fe2O3": 0.45,
      "LOI": 0.0
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    "ingredients": [
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        "material": "tile #6 kaolin",
        "amount": 38.5
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      {
        "material": "custer feldspar",
        "amount": 23.1
      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "silica",
        "amount": 19.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "295",
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      "TiO2": 0.75,
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      "LOI": 0.0
    },
    "ingredients": [
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        "material": "feldspar",
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      },
      {
        "material": "tile #6 kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
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      },
      {
        "material": "xx sagger ball clay",
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      },
      {
        "material": "ball clay",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 101.0
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    ]
  },
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    "id": "322",
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      "Fe2O3": 0.18,
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    "ingredients": [
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        "material": "cornwall stone",
        "amount": 85.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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      "TiO2": 0.01,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "potash feldspar",
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      },
      {
        "material": "grolleg kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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      "MnO2": 18.9,
      "Fe2O3": 3.7,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
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      {
        "material": "silica",
        "amount": 3.6
      },
      {
        "material": "whiting",
        "amount": 2.79
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      {
        "material": "talc",
        "amount": 1.35
      },
      {
        "material": "total base recipe",
        "amount": 75.04
      },
      {
        "material": "manganese dioxide",
        "amount": 20.5
      },
      {
        "material": "red iron oxide",
        "amount": 3.6
      },
      {
        "material": "total",
        "amount": 99.14
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    ]
  },
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    "id": "414",
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      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "LOI": 0.0
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        "material": "custer feldspar",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
        "amount": 14.31
      },
      {
        "material": "whiting",
        "amount": 3.28
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "430",
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      "TiO2": 0.04,
      "Fe2O3": 1.16,
      "LOI": 0.0
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        "material": "k-200 feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
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    "id": "437",
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      "BaO": 6.16,
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      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "CuO": 0.33,
      "ZnO": 7.93,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
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      },
      {
        "material": "nepheline syenite",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "barium carbonate",
        "amount": 7.7
      },
      {
        "material": "zinc oxide",
        "amount": 7.7
      },
      {
        "material": "total base recipe",
        "amount": 107.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.3
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    ]
  },
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    "id": "444",
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      "CaO": 14.69,
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      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CuO": 5.57,
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        "material": "custer feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "455",
    "chemical_composition": {
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      "MgO": 0.04,
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      "SrO": 18.91,
      "TiO2": 1.11,
      "Fe2O3": 1.58,
      "CuO": 3.47,
      "ZnO": 10.77,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "ball clay",
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      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.25
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    ]
  },
  {
    "id": "468",
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      "Na2O": 0.25,
      "K2O": 6.24,
      "MgO": 0.2,
      "CaO": 9.25,
      "BaO": 4.12,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "MnO2": 3.02,
      "Fe2O3": 9.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.5
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "whiting",
        "amount": 15.7
      },
      {
        "material": "ball clay",
        "amount": 10.7
      },
      {
        "material": "barium carbonate",
        "amount": 5.5
      },
      {
        "material": "gerstley borate",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.8
      },
      {
        "material": "manganese dioxide",
        "amount": 3.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.4
      }
    ]
  },
  {
    "id": "483",
    "chemical_composition": {
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      "SiO2": 50.56,
      "Al2O3": 15.44,
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      "K2O": 11.05,
      "MgO": 0.08,
      "CaO": 6.18,
      "BaO": 0.77,
      "TiO2": 2.36,
      "Fe2O3": 3.27,
      "CuO": 0.26,
      "ZnO": 9.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 65.0
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 107.9
      }
    ]
  },
  {
    "id": "504",
    "chemical_composition": {
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      "SiO2": 56.09,
      "Al2O3": 18.03,
      "Li2O": 0.44,
      "Na2O": 6.39,
      "K2O": 3.07,
      "MgO": 0.14,
      "CaO": 0.5,
      "SrO": 15.0,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "519",
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      "SiO2": 55.04,
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      "K2O": 6.6,
      "MgO": 0.36,
      "CaO": 1.24,
      "TiO2": 0.05,
      "MnO2": 20.71,
      "Fe2O3": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 80.7
      },
      {
        "material": "silica",
        "amount": 7.1
      },
      {
        "material": "ball clay",
        "amount": 5.7
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 3.5
      },
      {
        "material": "dolomite",
        "amount": 1.8
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 30.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 133.0
      }
    ]
  },
  {
    "id": "529",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.82,
      "Al2O3": 12.74,
      "B2O3": 3.95,
      "Na2O": 2.76,
      "K2O": 2.91,
      "MgO": 0.61,
      "CaO": 8.46,
      "P2O5": 0.03,
      "TiO2": 4.21,
      "FeO": 1.0,
      "Fe2O3": 0.55,
      "ZnO": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 63.8
      },
      {
        "material": "gerstley borate",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 7.6
      },
      {
        "material": "whiting",
        "amount": 7.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.8
      },
      {
        "material": "zinc oxide",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.2
      },
      {
        "material": "ilmenite",
        "amount": 2.04
      },
      {
        "material": "total",
        "amount": 105.24
      }
    ]
  },
  {
    "id": "539",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.27,
      "Al2O3": 10.33,
      "Na2O": 1.4,
      "K2O": 4.5,
      "MgO": 2.04,
      "CaO": 9.46,
      "P2O5": 3.97,
      "TiO2": 0.02,
      "Fe2O3": 10.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.8
      },
      {
        "material": "silica",
        "amount": 21.1
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.7
      },
      {
        "material": "talc",
        "amount": 6.7
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 11.1
      },
      {
        "material": "bentonite",
        "amount": 2.2
      },
      {
        "material": "total",
        "amount": 113.4
      }
    ]
  },
  {
    "id": "541",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.67,
      "Al2O3": 12.92,
      "Na2O": 6.21,
      "K2O": 0.03,
      "MgO": 0.89,
      "CaO": 3.51,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 6.19,
      "CoO": 2.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 54.62
      },
      {
        "material": "silica",
        "amount": 29.41
      },
      {
        "material": "ep kaolin",
        "amount": 7.56
      },
      {
        "material": "dolomite",
        "amount": 4.2
      },
      {
        "material": "whiting",
        "amount": 4.2
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 6.72
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.2
      },
      {
        "material": "total",
        "amount": 110.91
      }
    ]
  },
  {
    "id": "543",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.89,
      "Al2O3": 11.19,
      "Na2O": 0.81,
      "K2O": 2.59,
      "MgO": 0.09,
      "CaO": 10.14,
      "TiO2": 0.29,
      "Fe2O3": 13.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 29.2
      },
      {
        "material": "silica",
        "amount": 29.2
      },
      {
        "material": "custer feldspar",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.5
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.85,
      "Al2O3": 9.1,
      "B2O3": 1.43,
      "Na2O": 1.81,
      "K2O": 5.34,
      "MgO": 1.36,
      "CaO": 7.62,
      "BaO": 4.15,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.07,
      "CoO": 0.13,
      "CuO": 1.38,
      "ZnO": 2.67,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.8
      },
      {
        "material": "silica",
        "amount": 24.9
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.4
      }
    ]
  },
  {
    "id": "575",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.18,
      "Al2O3": 12.8,
      "Li2O": 0.99,
      "Na2O": 1.37,
      "K2O": 4.55,
      "MgO": 3.24,
      "CaO": 7.71,
      "P2O5": 5.75,
      "Fe2O3": 7.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.0
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "talc",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.31,
      "Al2O3": 12.63,
      "Na2O": 0.93,
      "K2O": 3.12,
      "MgO": 0.02,
      "CaO": 12.31,
      "P2O5": 0.05,
      "TiO2": 6.72,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.6
      },
      {
        "material": "custer feldspar",
        "amount": 28.9
      },
      {
        "material": "whiting",
        "amount": 20.6
      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "609",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.0,
      "Al2O3": 18.84,
      "Na2O": 1.79,
      "K2O": 2.41,
      "MgO": 0.1,
      "CaO": 16.12,
      "P2O5": 0.07,
      "TiO2": 0.18,
      "Fe2O3": 8.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "610",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.75,
      "Al2O3": 11.82,
      "Na2O": 4.8,
      "K2O": 2.24,
      "MgO": 4.83,
      "CaO": 8.4,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "611",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.3,
      "Al2O3": 15.92,
      "Li2O": 2.31,
      "CaO": 9.54,
      "SrO": 12.1,
      "Cr2O3": 0.53,
      "Fe2O3": 2.0,
      "ZnO": 6.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.4
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 18.8
      },
      {
        "material": "strontium carbonate",
        "amount": 16.4
      },
      {
        "material": "silica",
        "amount": 12.4
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "614",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.71,
      "Al2O3": 10.54,
      "Na2O": 1.43,
      "K2O": 4.77,
      "MgO": 2.11,
      "CaO": 5.67,
      "P2O5": 4.21,
      "TiO2": 0.03,
      "Fe2O3": 10.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.9
      },
      {
        "material": "silica",
        "amount": 22.9
      },
      {
        "material": "bone ash",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 7.2
      },
      {
        "material": "talc",
        "amount": 7.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "650",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.66,
      "Al2O3": 26.16,
      "Li2O": 1.27,
      "Na2O": 7.66,
      "K2O": 2.95,
      "MgO": 0.13,
      "CaO": 0.6,
      "P2O5": 0.03,
      "TiO2": 0.23,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "652",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.19,
      "Al2O3": 26.14,
      "Li2O": 1.24,
      "Na2O": 7.5,
      "K2O": 2.84,
      "MgO": 0.12,
      "CaO": 0.58,
      "TiO2": 0.16,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 11.0
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "664",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.63,
      "Al2O3": 26.02,
      "Li2O": 2.64,
      "Na2O": 8.53,
      "K2O": 2.15,
      "MgO": 0.12,
      "CaO": 0.36,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.34
      },
      {
        "material": "spodumene",
        "amount": 30.63
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.22
      },
      {
        "material": "soda ash",
        "amount": 8.01
      },
      {
        "material": "ep kaolin",
        "amount": 4.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.64,
      "Al2O3": 25.47,
      "Na2O": 15.47,
      "K2O": 2.96,
      "MgO": 0.14,
      "CaO": 0.61,
      "P2O5": 0.05,
      "TiO2": 0.27,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "soda ash",
        "amount": 17.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.8
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "748",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.75,
      "Al2O3": 22.16,
      "Na2O": 3.2,
      "K2O": 1.93,
      "MgO": 0.21,
      "CaO": 0.39,
      "TiO2": 7.3,
      "ZrO2": 3.41,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 63.2
      },
      {
        "material": "nepheline syenite",
        "amount": 31.6
      },
      {
        "material": "silica",
        "amount": 5.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "zircopax",
        "amount": 5.3
      },
      {
        "material": "total",
        "amount": 112.4
      }
    ]
  },
  {
    "id": "756",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.71,
      "Al2O3": 14.06,
      "Na2O": 1.6,
      "K2O": 5.17,
      "MgO": 0.5,
      "CaO": 9.42,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 1.19,
      "CuO": 5.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "765",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.27,
      "Al2O3": 8.7,
      "B2O3": 0.77,
      "Na2O": 1.56,
      "K2O": 4.06,
      "MgO": 0.74,
      "CaO": 15.76,
      "P2O5": 0.95,
      "TiO2": 0.08,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.6
      },
      {
        "material": "silica",
        "amount": 29.7
      },
      {
        "material": "whiting",
        "amount": 21.8
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "770",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.83,
      "Al2O3": 21.61,
      "Na2O": 2.71,
      "K2O": 4.08,
      "MgO": 4.81,
      "CaO": 10.3,
      "P2O5": 0.03,
      "TiO2": 4.14,
      "FeO": 1.04,
      "Fe2O3": 0.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "calcined kaolin",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "granular ilmenite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "789",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.84,
      "Al2O3": 11.59,
      "Na2O": 1.39,
      "K2O": 4.45,
      "MgO": 6.19,
      "CaO": 6.17,
      "P2O5": 4.58,
      "TiO2": 0.04,
      "Fe2O3": 7.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.2
      },
      {
        "material": "silica",
        "amount": 22.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 12.9
      },
      {
        "material": "bone ash",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.39,
      "Al2O3": 11.56,
      "Na2O": 3.11,
      "K2O": 2.26,
      "MgO": 2.89,
      "CaO": 10.64,
      "P2O5": 4.57,
      "TiO2": 0.0,
      "Fe2O3": 7.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "bone ash",
        "amount": 11.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "858",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.64,
      "Al2O3": 11.19,
      "Na2O": 1.26,
      "K2O": 4.38,
      "MgO": 0.03,
      "CaO": 11.6,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 6.74,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "878",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.39,
      "Al2O3": 9.51,
      "Na2O": 1.39,
      "K2O": 4.63,
      "MgO": 4.47,
      "CaO": 10.46,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 39.7
      },
      {
        "material": "silica",
        "amount": 27.7
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "talc",
        "amount": 12.9
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.1
      }
    ]
  },
  {
    "id": "881",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.9,
      "Al2O3": 18.22,
      "K2O": 8.2,
      "MgO": 3.44,
      "CaO": 14.51,
      "P2O5": 3.28,
      "TiO2": 1.04,
      "ZrO2": 5.21,
      "Fe2O3": 1.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.3
      },
      {
        "material": "kaolin",
        "amount": 22.2
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.2
      },
      {
        "material": "bone ash",
        "amount": 7.4
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "zircopax",
        "amount": 7.4
      },
      {
        "material": "red iron oxide",
        "amount": 1.1
      },
      {
        "material": "rutile",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 109.7
      }
    ]
  },
  {
    "id": "893",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.21,
      "Al2O3": 17.61,
      "K2O": 8.36,
      "MgO": 3.95,
      "CaO": 7.84,
      "ZrO2": 10.55,
      "Fe2O3": 1.24,
      "SnO2": 3.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 53.2
      },
      {
        "material": "kaolin",
        "amount": 22.9
      },
      {
        "material": "dolomite",
        "amount": 19.4
      },
      {
        "material": "whiting",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 16.9
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.4
      },
      {
        "material": "total",
        "amount": 121.8
      }
    ]
  },
  {
    "id": "911",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 8.1,
      "Na2O": 0.93,
      "K2O": 3.1,
      "MgO": 0.01,
      "CaO": 14.74,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 11.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.53
      },
      {
        "material": "custer feldspar",
        "amount": 30.27
      },
      {
        "material": "whiting",
        "amount": 25.65
      },
      {
        "material": "ep kaolin",
        "amount": 7.55
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.66
      },
      {
        "material": "total",
        "amount": 111.66
      }
    ]
  },
  {
    "id": "912",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.54,
      "Al2O3": 9.41,
      "B2O3": 4.05,
      "Na2O": 4.0,
      "K2O": 8.31,
      "MgO": 2.57,
      "CaO": 10.36,
      "P2O5": 4.09,
      "TiO2": 3.95,
      "Fe2O3": 5.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.24,
      "Al2O3": 16.02,
      "Na2O": 2.04,
      "K2O": 15.0,
      "MgO": 7.49,
      "CaO": 10.49,
      "P2O5": 5.1,
      "TiO2": 0.3,
      "MnO": 0.81,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 36.0
      },
      {
        "material": "hardwood ash",
        "amount": 28.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 21.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "940",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.06,
      "Al2O3": 12.15,
      "B2O3": 7.05,
      "Na2O": 3.79,
      "K2O": 2.3,
      "MgO": 0.03,
      "CaO": 14.1,
      "P2O5": 2.24,
      "TiO2": 0.08,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "947",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.21,
      "Al2O3": 4.5,
      "B2O3": 17.74,
      "Na2O": 1.81,
      "K2O": 3.77,
      "MgO": 0.02,
      "CaO": 0.01,
      "BaO": 24.02,
      "Cr2O3": 1.55,
      "Fe2O3": 0.04,
      "CuO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fusion frit f-15",
        "amount": 70.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "1004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.84,
      "Al2O3": 16.05,
      "B2O3": 2.5,
      "Na2O": 4.65,
      "K2O": 1.66,
      "MgO": 5.58,
      "CaO": 8.61,
      "Fe2O3": 0.04,
      "CoO": 3.99,
      "CuO": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.2
      },
      {
        "material": "kaolin",
        "amount": 17.5
      },
      {
        "material": "silica",
        "amount": 16.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 111.9
      }
    ]
  },
  {
    "id": "1014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.26,
      "Al2O3": 5.49,
      "B2O3": 1.96,
      "Na2O": 0.95,
      "K2O": 2.81,
      "MgO": 4.86,
      "CaO": 6.24,
      "BaO": 4.79,
      "TiO2": 13.88,
      "ZrO2": 7.78,
      "FeO": 0.6,
      "Fe2O3": 3.21,
      "CoO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.73
      },
      {
        "material": "silica",
        "amount": 16.33
      },
      {
        "material": "talc",
        "amount": 16.33
      },
      {
        "material": "whiting",
        "amount": 9.18
      },
      {
        "material": "barium carbonate",
        "amount": 8.16
      },
      {
        "material": "colemanite",
        "amount": 5.1
      },
      {
        "material": "dolomite",
        "amount": 5.1
      },
      {
        "material": "black iron oxide",
        "amount": 3.06
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 20.41
      },
      {
        "material": "zircopax",
        "amount": 15.31
      },
      {
        "material": "bentonite",
        "amount": 5.1
      },
      {
        "material": "cobalt oxide",
        "amount": 3.06
      },
      {
        "material": "total",
        "amount": 143.87
      }
    ]
  },
  {
    "id": "1015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.53,
      "Al2O3": 15.28,
      "B2O3": 2.92,
      "Na2O": 2.79,
      "K2O": 7.89,
      "MgO": 0.39,
      "CaO": 5.14,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 3.45,
      "Fe2O3": 0.16,
      "CoO": 1.85,
      "CuO": 2.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 79.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.06,
      "Al2O3": 13.08,
      "Na2O": 5.17,
      "K2O": 7.03,
      "MgO": 7.33,
      "CaO": 5.24,
      "P2O5": 3.23,
      "TiO2": 0.18,
      "Fe2O3": 4.54,
      "CoO": 2.59,
      "CuO": 3.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.5
      },
      {
        "material": "wood ash",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 18.75
      },
      {
        "material": "talc",
        "amount": 18.75
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.75
      },
      {
        "material": "cobalt oxide",
        "amount": 2.92
      },
      {
        "material": "iron oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 109.17
      }
    ]
  },
  {
    "id": "1020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.77,
      "Al2O3": 12.47,
      "K2O": 6.46,
      "CaO": 7.63,
      "Fe2O3": 6.93,
      "CoO": 0.84,
      "ZnO": 10.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.2
      },
      {
        "material": "silica",
        "amount": 23.6
      },
      {
        "material": "kaolin",
        "amount": 13.6
      },
      {
        "material": "whiting",
        "amount": 13.6
      },
      {
        "material": "zinc oxide",
        "amount": 10.9
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 7.3
      },
      {
        "material": "cobalt oxide",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "1023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 15.2,
      "B2O3": 2.84,
      "Na2O": 2.77,
      "K2O": 7.87,
      "MgO": 0.38,
      "CaO": 5.35,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 3.53,
      "Fe2O3": 0.16,
      "CoO": 1.94,
      "CuO": 2.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 78.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.7
      },
      {
        "material": "whiting",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.1
      },
      {
        "material": "manganese dioxide",
        "amount": 4.1
      },
      {
        "material": "cobalt oxide",
        "amount": 2.1
      },
      {
        "material": "total",
        "amount": 110.3
      }
    ]
  },
  {
    "id": "1038",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.62,
      "Al2O3": 7.64,
      "B2O3": 15.8,
      "Na2O": 2.37,
      "K2O": 0.3,
      "MgO": 2.08,
      "CaO": 11.47,
      "P2O5": 0.11,
      "TiO2": 0.13,
      "Fe2O3": 0.38,
      "CoO": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1052",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.75,
      "Al2O3": 15.13,
      "Na2O": 0.03,
      "K2O": 8.31,
      "MgO": 0.03,
      "CaO": 10.57,
      "TiO2": 0.09,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.03,
      "Al2O3": 8.2,
      "B2O3": 5.36,
      "Na2O": 2.08,
      "K2O": 4.35,
      "MgO": 0.7,
      "CaO": 4.82,
      "SrO": 2.7,
      "P2O5": 0.03,
      "TiO2": 2.71,
      "Fe2O3": 0.43,
      "CoO": 1.58,
      "ZnO": 3.17,
      "SnO2": 6.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.3
      },
      {
        "material": "silica",
        "amount": 24.9
      },
      {
        "material": "gerstley borate",
        "amount": 20.8
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.3
      },
      {
        "material": "ep kaolin",
        "amount": 2.1
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.9
      },
      {
        "material": "tin oxide",
        "amount": 7.1
      },
      {
        "material": "rutile",
        "amount": 3.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.6
      },
      {
        "material": "total",
        "amount": 113.7
      }
    ]
  },
  {
    "id": "1069",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.41,
      "Al2O3": 13.38,
      "B2O3": 0.73,
      "Na2O": 5.55,
      "K2O": 2.55,
      "MgO": 0.22,
      "CaO": 0.94,
      "SrO": 38.24,
      "P2O5": 0.0,
      "TiO2": 0.0,
      "Fe2O3": 0.18,
      "CuO": 2.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "strontium carbonate",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 102.5
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "1071",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.36,
      "Al2O3": 13.99,
      "Na2O": 1.58,
      "K2O": 5.28,
      "MgO": 0.01,
      "CaO": 13.24,
      "P2O5": 0.04,
      "TiO2": 5.15,
      "Fe2O3": 0.72,
      "CoO": 0.39,
      "CuO": 1.82,
      "ZnO": 9.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.9
      },
      {
        "material": "whiting",
        "amount": 22.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "rutile",
        "amount": 5.4
      },
      {
        "material": "copper carbonate",
        "amount": 2.7
      },
      {
        "material": "cobalt oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "1079",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.17,
      "Al2O3": 7.48,
      "B2O3": 25.42,
      "Na2O": 0.01,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 13.7,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "MnO2": 4.35,
      "Fe2O3": 9.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "1086",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.95,
      "Al2O3": 14.56,
      "Na2O": 4.46,
      "K2O": 2.13,
      "MgO": 0.06,
      "CaO": 5.1,
      "BaO": 5.28,
      "TiO2": 5.35,
      "Fe2O3": 1.32,
      "ZnO": 6.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 80.0
      },
      {
        "material": "silica",
        "amount": 36.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 173.0
      },
      {
        "material": "rutile",
        "amount": 10.4
      },
      {
        "material": "yellow ochre",
        "amount": 5.2
      },
      {
        "material": "total",
        "amount": 188.6
      }
    ]
  },
  {
    "id": "1087",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.64,
      "Al2O3": 9.9,
      "B2O3": 4.82,
      "Li2O": 1.29,
      "Na2O": 3.58,
      "K2O": 3.96,
      "MgO": 0.65,
      "CaO": 6.09,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "ZrO2": 2.84,
      "MnO2": 2.76,
      "Fe2O3": 2.14,
      "ZnO": 5.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.47
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 17.89
      },
      {
        "material": "zinc oxide",
        "amount": 5.26
      },
      {
        "material": "whiting",
        "amount": 4.21
      },
      {
        "material": "lithium carbonate",
        "amount": 3.16
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "zircopax",
        "amount": 4.21
      },
      {
        "material": "manganese dioxide",
        "amount": 3.16
      },
      {
        "material": "red iron oxide",
        "amount": 2.11
      },
      {
        "material": "total",
        "amount": 109.47
      }
    ]
  },
  {
    "id": "1096",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.38,
      "Al2O3": 14.4,
      "B2O3": 2.79,
      "Na2O": 6.56,
      "K2O": 0.04,
      "MgO": 0.36,
      "CaO": 12.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.04,
      "CuO": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "1113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.29,
      "Al2O3": 31.34,
      "Na2O": 1.28,
      "K2O": 1.32,
      "MgO": 0.36,
      "CaO": 0.31,
      "P2O5": 0.04,
      "TiO2": 1.12,
      "Fe2O3": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1116",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.69,
      "Al2O3": 22.8,
      "Na2O": 0.93,
      "K2O": 2.76,
      "MgO": 0.24,
      "CaO": 0.3,
      "TiO2": 0.8,
      "Fe2O3": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "1144",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.96,
      "Al2O3": 17.42,
      "B2O3": 0.53,
      "Na2O": 4.07,
      "K2O": 2.74,
      "MgO": 7.4,
      "CaO": 6.75,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "SnO2": 3.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 9.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.8
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.6
      }
    ]
  },
  {
    "id": "1147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.71,
      "Al2O3": 14.82,
      "B2O3": 9.07,
      "Na2O": 4.55,
      "K2O": 2.5,
      "MgO": 1.27,
      "CaO": 7.4,
      "P2O5": 0.03,
      "TiO2": 0.26,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1175",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.2,
      "Al2O3": 20.9,
      "B2O3": 0.79,
      "Na2O": 8.8,
      "K2O": 4.0,
      "MgO": 2.61,
      "CaO": 1.42,
      "Fe2O3": 0.15,
      "CuO": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 86.37
      },
      {
        "material": "talc",
        "amount": 7.86
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.77
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.2
      }
    ]
  },
  {
    "id": "1177",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.06,
      "Al2O3": 23.44,
      "Na2O": 9.0,
      "K2O": 4.27,
      "MgO": 2.23,
      "CaO": 0.68,
      "TiO2": 0.08,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 89.36
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.38
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.03,
      "Al2O3": 11.89,
      "B2O3": 1.89,
      "Li2O": 0.8,
      "Na2O": 4.03,
      "K2O": 1.78,
      "MgO": 1.29,
      "CaO": 8.02,
      "P2O5": 0.01,
      "TiO2": 3.35,
      "ZrO2": 6.37,
      "Fe2O3": 1.37,
      "ZnO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.7
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 10.7
      },
      {
        "material": "whiting",
        "amount": 9.6
      },
      {
        "material": "gerstley borate",
        "amount": 7.6
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "zinc oxide",
        "amount": 3.4
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "zircopax",
        "amount": 10.2
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 116.8
      }
    ]
  },
  {
    "id": "1189",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 30.49,
      "Al2O3": 7.2,
      "B2O3": 3.71,
      "Na2O": 1.8,
      "K2O": 4.21,
      "MgO": 12.61,
      "CaO": 19.69,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "CoO": 9.98,
      "CuO": 10.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 50.0
      },
      {
        "material": "custer feldspar",
        "amount": 37.5
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 14.3
      },
      {
        "material": "copper carbonate",
        "amount": 14.3
      },
      {
        "material": "total",
        "amount": 128.6
      }
    ]
  },
  {
    "id": "1219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.95,
      "Al2O3": 8.52,
      "B2O3": 16.21,
      "Na2O": 2.43,
      "K2O": 0.32,
      "MgO": 2.14,
      "CaO": 11.77,
      "P2O5": 0.12,
      "TiO2": 0.14,
      "Fe2O3": 0.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1226",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.8,
      "Al2O3": 14.26,
      "Na2O": 5.22,
      "K2O": 2.95,
      "MgO": 2.27,
      "CaO": 13.58,
      "P2O5": 0.03,
      "TiO2": 0.14,
      "ZrO2": 7.83,
      "Fe2O3": 6.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.2
      },
      {
        "material": "whiting",
        "amount": 20.2
      },
      {
        "material": "redart",
        "amount": 13.5
      },
      {
        "material": "wollastonite",
        "amount": 5.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 12.4
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "total",
        "amount": 119.1
      }
    ]
  },
  {
    "id": "1229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.96,
      "Al2O3": 8.04,
      "B2O3": 2.63,
      "Na2O": 2.25,
      "K2O": 3.06,
      "MgO": 0.13,
      "CaO": 8.19,
      "MnO2": 2.77,
      "Fe2O3": 21.42,
      "CoO": 4.82,
      "CuO": 12.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.16
      },
      {
        "material": "ferro frit 3124",
        "amount": 17.44
      },
      {
        "material": "whiting",
        "amount": 8.72
      },
      {
        "material": "bentonite",
        "amount": 5.81
      },
      {
        "material": "total base recipe",
        "amount": 58.13
      },
      {
        "material": "red iron oxide",
        "amount": 20.35
      },
      {
        "material": "black copper oxide",
        "amount": 11.63
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.98
      },
      {
        "material": "manganese dioxide",
        "amount": 2.91
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.39,
      "Al2O3": 12.82,
      "B2O3": 2.92,
      "Na2O": 5.07,
      "K2O": 2.26,
      "MgO": 2.85,
      "CaO": 5.79,
      "P2O5": 0.01,
      "TiO2": 7.67,
      "Fe2O3": 0.19,
      "CuO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.7
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 10.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.9
      },
      {
        "material": "ball clay",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.6
      },
      {
        "material": "copper carbonate",
        "amount": 1.6
      },
      {
        "material": "bentonite",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 110.3
      }
    ]
  },
  {
    "id": "1237",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.29,
      "Al2O3": 8.74,
      "B2O3": 15.13,
      "Na2O": 3.45,
      "K2O": 0.3,
      "MgO": 2.0,
      "CaO": 10.99,
      "P2O5": 0.11,
      "TiO2": 0.14,
      "Cr2O3": 2.35,
      "Fe2O3": 0.39,
      "CoO": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 31.4
      },
      {
        "material": "ep kaolin",
        "amount": 18.6
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "1246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.33,
      "Al2O3": 9.79,
      "B2O3": 6.94,
      "Li2O": 1.49,
      "Na2O": 3.1,
      "K2O": 0.08,
      "MgO": 3.2,
      "CaO": 12.83,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 2.29,
      "CuO": 1.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 27.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.2
      },
      {
        "material": "dolomite",
        "amount": 13.1
      },
      {
        "material": "whiting",
        "amount": 3.9
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "1319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.45,
      "Al2O3": 9.09,
      "B2O3": 3.34,
      "Li2O": 0.85,
      "Na2O": 4.77,
      "K2O": 4.92,
      "MgO": 0.48,
      "CaO": 8.36,
      "BaO": 4.04,
      "P2O5": 0.01,
      "TiO2": 4.17,
      "Fe2O3": 0.16,
      "CuO": 3.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "k-200 feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "1328",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.15,
      "Al2O3": 10.37,
      "Na2O": 7.53,
      "MgO": 2.15,
      "CaO": 2.16,
      "SnO2": 9.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.45
      },
      {
        "material": "silica",
        "amount": 33.33
      },
      {
        "material": "talc",
        "amount": 7.07
      },
      {
        "material": "kaolin",
        "amount": 5.05
      },
      {
        "material": "soda ash",
        "amount": 5.05
      },
      {
        "material": "whiting",
        "amount": 4.04
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 10.1
      },
      {
        "material": "total",
        "amount": 110.09
      }
    ]
  },
  {
    "id": "1342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.2,
      "Al2O3": 13.61,
      "Na2O": 1.53,
      "K2O": 5.11,
      "MgO": 0.01,
      "CaO": 13.82,
      "P2O5": 0.03,
      "TiO2": 11.54,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.73
      },
      {
        "material": "whiting",
        "amount": 23.91
      },
      {
        "material": "ep kaolin",
        "amount": 13.18
      },
      {
        "material": "silica",
        "amount": 13.18
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.29
      },
      {
        "material": "silicon carbide",
        "amount": 3.4
      },
      {
        "material": "total",
        "amount": 114.69
      }
    ]
  },
  {
    "id": "1344",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.65,
      "Al2O3": 11.16,
      "B2O3": 3.58,
      "Na2O": 2.48,
      "K2O": 2.98,
      "MgO": 1.39,
      "CaO": 11.51,
      "BaO": 4.0,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.18
      },
      {
        "material": "silica",
        "amount": 25.28
      },
      {
        "material": "ep kaolin",
        "amount": 14.04
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.04
      },
      {
        "material": "whiting",
        "amount": 10.23
      },
      {
        "material": "dolomite",
        "amount": 5.62
      },
      {
        "material": "barium carbonate",
        "amount": 4.61
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1348",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.42,
      "Al2O3": 6.85,
      "B2O3": 13.11,
      "Na2O": 1.97,
      "K2O": 0.26,
      "MgO": 1.73,
      "CaO": 9.52,
      "P2O5": 0.09,
      "TiO2": 9.68,
      "Fe2O3": 1.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 38.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.04,
      "Al2O3": 18.48,
      "Na2O": 7.13,
      "K2O": 3.37,
      "MgO": 5.35,
      "CaO": 7.79,
      "TiO2": 0.05,
      "Fe2O3": 0.22,
      "SnO2": 9.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 71.46
      },
      {
        "material": "dolomite",
        "amount": 23.71
      },
      {
        "material": "ball clay",
        "amount": 4.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 9.55
      },
      {
        "material": "bentonite",
        "amount": 2.81
      },
      {
        "material": "total",
        "amount": 112.36
      }
    ]
  },
  {
    "id": "1371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.16,
      "Al2O3": 17.04,
      "Li2O": 1.21,
      "Na2O": 6.27,
      "K2O": 2.99,
      "MgO": 0.13,
      "CaO": 0.48,
      "SrO": 20.42,
      "TiO2": 0.08,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.5
      },
      {
        "material": "strontium carbonate",
        "amount": 26.5
      },
      {
        "material": "silica",
        "amount": 7.1
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.2
      },
      {
        "material": "lithium carbonate",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.72,
      "Al2O3": 12.61,
      "B2O3": 1.37,
      "Na2O": 1.96,
      "K2O": 4.52,
      "MgO": 3.18,
      "CaO": 11.45,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1377",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.4,
      "Al2O3": 17.67,
      "B2O3": 5.15,
      "Na2O": 4.86,
      "K2O": 2.06,
      "MgO": 3.48,
      "CaO": 17.93,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.2
      },
      {
        "material": "ep kaolin",
        "amount": 18.1
      },
      {
        "material": "wollastonite",
        "amount": 18.1
      },
      {
        "material": "gerstley borate",
        "amount": 16.7
      },
      {
        "material": "dolomite",
        "amount": 10.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.31,
      "Al2O3": 14.08,
      "B2O3": 2.98,
      "Na2O": 4.58,
      "K2O": 2.02,
      "MgO": 0.44,
      "CaO": 10.46,
      "BaO": 12.86,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.7
      },
      {
        "material": "barium carbonate",
        "amount": 15.2
      },
      {
        "material": "wollastonite",
        "amount": 15.2
      },
      {
        "material": "silica",
        "amount": 10.5
      },
      {
        "material": "ep kaolin",
        "amount": 10.2
      },
      {
        "material": "gerstley borate",
        "amount": 10.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1391",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.65,
      "Al2O3": 17.44,
      "Li2O": 2.47,
      "Na2O": 5.94,
      "K2O": 2.84,
      "MgO": 0.08,
      "CaO": 0.45,
      "SrO": 7.78,
      "BaO": 8.61,
      "TiO2": 0.08,
      "Cr2O3": 3.17,
      "Fe2O3": 0.14,
      "CuO": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.1
      },
      {
        "material": "barium carbonate",
        "amount": 10.5
      },
      {
        "material": "strontium carbonate",
        "amount": 10.5
      },
      {
        "material": "ball clay",
        "amount": 7.6
      },
      {
        "material": "lithium carbonate",
        "amount": 4.8
      },
      {
        "material": "silica",
        "amount": 4.8
      },
      {
        "material": "spodumene",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "chrome oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.1
      }
    ]
  },
  {
    "id": "1399",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.95,
      "Al2O3": 15.81,
      "Na2O": 1.76,
      "K2O": 5.9,
      "MgO": 0.02,
      "CaO": 12.18,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "ZnO": 10.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1420",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.64,
      "Al2O3": 18.14,
      "B2O3": 0.18,
      "Li2O": 3.71,
      "Na2O": 1.07,
      "K2O": 0.21,
      "MgO": 3.06,
      "CaO": 13.79,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1441",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.71,
      "Al2O3": 11.81,
      "B2O3": 2.58,
      "Li2O": 7.9,
      "Na2O": 5.31,
      "K2O": 2.35,
      "MgO": 0.39,
      "CaO": 15.24,
      "BaO": 4.51,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.46,
      "Fe2O3": 0.09,
      "SnO2": 9.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.3
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 16.7
      },
      {
        "material": "gerstley borate",
        "amount": 8.3
      },
      {
        "material": "silica",
        "amount": 6.7
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.3
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.7
      }
    ]
  },
  {
    "id": "1443",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.13,
      "Al2O3": 16.65,
      "K2O": 5.03,
      "MgO": 3.06,
      "CaO": 10.77,
      "Cr2O3": 1.9,
      "ZnO": 9.6,
      "SnO2": 4.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 28.2
      },
      {
        "material": "kaolin",
        "amount": 26.4
      },
      {
        "material": "whiting",
        "amount": 18.2
      },
      {
        "material": "silica",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 9.1
      },
      {
        "material": "zinc oxide",
        "amount": 9.1
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 4.6
      },
      {
        "material": "chrome oxide",
        "amount": 1.8
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "1445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.19,
      "Al2O3": 7.35,
      "Li2O": 1.35,
      "Na2O": 2.85,
      "K2O": 1.32,
      "MgO": 0.12,
      "CaO": 0.24,
      "BaO": 34.44,
      "Fe2O3": 0.18,
      "NiO": 1.66,
      "ZnO": 13.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 41.67
      },
      {
        "material": "nepheline syenite",
        "amount": 26.04
      },
      {
        "material": "silica",
        "amount": 16.67
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "lithium carbonate",
        "amount": 3.12
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.17
      },
      {
        "material": "black nickel oxide",
        "amount": 1.56
      },
      {
        "material": "total",
        "amount": 105.73
      }
    ]
  },
  {
    "id": "1446",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.14,
      "Al2O3": 16.65,
      "K2O": 5.04,
      "MgO": 3.06,
      "CaO": 10.78,
      "Cr2O3": 1.92,
      "ZnO": 9.6,
      "SnO2": 4.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 28.18
      },
      {
        "material": "kaolin",
        "amount": 26.36
      },
      {
        "material": "whiting",
        "amount": 18.18
      },
      {
        "material": "silica",
        "amount": 9.09
      },
      {
        "material": "talc",
        "amount": 9.09
      },
      {
        "material": "zinc oxide",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 4.55
      },
      {
        "material": "chrome oxide",
        "amount": 1.82
      },
      {
        "material": "total",
        "amount": 106.36
      }
    ]
  },
  {
    "id": "1447",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.09,
      "Al2O3": 5.96,
      "B2O3": 12.16,
      "Na2O": 5.52,
      "K2O": 0.18,
      "MgO": 0.11,
      "CaO": 13.47,
      "TiO2": 1.26,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 52.63
      },
      {
        "material": "silica",
        "amount": 26.32
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.79
      },
      {
        "material": "whiting",
        "amount": 5.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.11
      },
      {
        "material": "titanium dioxide",
        "amount": 1.05
      },
      {
        "material": "total",
        "amount": 103.16
      }
    ]
  },
  {
    "id": "1452",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.09,
      "Al2O3": 9.52,
      "B2O3": 3.44,
      "Na2O": 0.51,
      "K2O": 6.74,
      "MgO": 6.62,
      "CaO": 4.44,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.05,
      "CoO": 1.35,
      "ZnO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1455",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.75,
      "Al2O3": 11.36,
      "B2O3": 3.61,
      "Na2O": 6.2,
      "K2O": 0.08,
      "MgO": 6.78,
      "CaO": 5.5,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "MnO": 3.24,
      "Fe2O3": 0.13,
      "CoO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 43.5
      },
      {
        "material": "silica",
        "amount": 14.5
      },
      {
        "material": "gerstley borate",
        "amount": 12.3
      },
      {
        "material": "talc",
        "amount": 12.1
      },
      {
        "material": "dolomite",
        "amount": 8.6
      },
      {
        "material": "manganese carbonate",
        "amount": 4.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.9
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "1458",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.45,
      "Al2O3": 10.19,
      "B2O3": 3.43,
      "Na2O": 3.48,
      "K2O": 1.08,
      "MgO": 0.1,
      "CaO": 15.17,
      "TiO2": 0.23,
      "Cr2O3": 0.21,
      "Fe2O3": 0.23,
      "CoO": 0.41,
      "SnO2": 4.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 104.55
      }
    ]
  },
  {
    "id": "1466",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.3,
      "Al2O3": 9.84,
      "B2O3": 3.31,
      "Na2O": 3.35,
      "K2O": 1.04,
      "MgO": 0.09,
      "CaO": 14.64,
      "TiO2": 0.22,
      "Cr2O3": 0.21,
      "Fe2O3": 0.22,
      "SnO2": 7.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "1467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.37,
      "Al2O3": 9.1,
      "B2O3": 6.36,
      "Na2O": 2.73,
      "K2O": 0.97,
      "MgO": 0.86,
      "CaO": 17.44,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.21,
      "SnO2": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "1473",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.17,
      "Al2O3": 13.4,
      "B2O3": 2.94,
      "Na2O": 7.18,
      "K2O": 0.04,
      "MgO": 0.38,
      "CaO": 11.36,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.04,
      "CuO": 0.35,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 52.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1475",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.67,
      "Al2O3": 13.12,
      "B2O3": 0.96,
      "Li2O": 2.02,
      "Na2O": 2.79,
      "K2O": 3.46,
      "MgO": 0.24,
      "CaO": 8.04,
      "P2O5": 0.0,
      "TiO2": 0.12,
      "Fe2O3": 9.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 80.9
      },
      {
        "material": "whiting",
        "amount": 10.6
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.1
      }
    ]
  },
  {
    "id": "1481",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.37,
      "Al2O3": 7.01,
      "B2O3": 5.72,
      "Na2O": 1.7,
      "K2O": 2.91,
      "MgO": 9.06,
      "CaO": 6.98,
      "P2O5": 0.02,
      "TiO2": 0.11,
      "Fe2O3": 0.2,
      "CoO": 1.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 25.2
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "talc",
        "amount": 19.5
      },
      {
        "material": "dolomite",
        "amount": 8.8
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 109.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "1486",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.1,
      "Al2O3": 17.01,
      "B2O3": 5.07,
      "Na2O": 2.34,
      "K2O": 0.37,
      "MgO": 0.04,
      "CaO": 18.57,
      "P2O5": 0.09,
      "TiO2": 0.14,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "1506",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.99,
      "Al2O3": 10.53,
      "B2O3": 5.14,
      "Na2O": 1.95,
      "K2O": 4.02,
      "MgO": 5.86,
      "CaO": 8.4,
      "P2O5": 0.02,
      "TiO2": 3.96,
      "ZrO2": 3.03,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.84
      },
      {
        "material": "gerstley borate",
        "amount": 18.38
      },
      {
        "material": "silica",
        "amount": 12.97
      },
      {
        "material": "talc",
        "amount": 11.89
      },
      {
        "material": "kaolin",
        "amount": 8.65
      },
      {
        "material": "dolomite",
        "amount": 5.41
      },
      {
        "material": "whiting",
        "amount": 4.86
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 4.32
      },
      {
        "material": "titanium dioxide",
        "amount": 3.78
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "1524",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.3,
      "Al2O3": 10.75,
      "B2O3": 5.03,
      "Li2O": 2.66,
      "Na2O": 2.66,
      "K2O": 2.53,
      "MgO": 2.9,
      "CaO": 7.18,
      "P2O5": 0.08,
      "TiO2": 0.19,
      "ZrO2": 6.34,
      "Fe2O3": 2.66,
      "SnO2": 4.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 56.1
      },
      {
        "material": "gerstley borate",
        "amount": 18.7
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.4
      },
      {
        "material": "silica",
        "amount": 9.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "superpax",
        "amount": 9.4
      },
      {
        "material": "tin oxide",
        "amount": 4.7
      },
      {
        "material": "total",
        "amount": 114.2
      }
    ]
  },
  {
    "id": "1547",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.2,
      "Al2O3": 0.6,
      "B2O3": 16.03,
      "Na2O": 2.39,
      "K2O": 0.24,
      "MgO": 15.34,
      "CaO": 11.6,
      "P2O5": 0.06,
      "TiO2": 16.49,
      "Fe2O3": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 59.0
      },
      {
        "material": "talc",
        "amount": 41.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "1549",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.2,
      "Al2O3": 20.89,
      "Li2O": 1.78,
      "Na2O": 2.19,
      "K2O": 3.28,
      "MgO": 4.87,
      "CaO": 10.32,
      "Fe2O3": 0.03,
      "SnO2": 4.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "1563",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 11.3,
      "B2O3": 0.85,
      "Li2O": 2.53,
      "Na2O": 2.4,
      "K2O": 2.98,
      "MgO": 1.95,
      "CaO": 9.42,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "Fe2O3": 10.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 67.8
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 7.8
      },
      {
        "material": "silica",
        "amount": 6.2
      },
      {
        "material": "lithium carbonate",
        "amount": 6.1
      },
      {
        "material": "gerstley borate",
        "amount": 3.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "1564",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.24,
      "Al2O3": 10.3,
      "Na2O": 1.11,
      "K2O": 3.71,
      "MgO": 0.06,
      "CaO": 11.55,
      "TiO2": 0.18,
      "Fe2O3": 9.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1566",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.36,
      "Al2O3": 10.2,
      "B2O3": 3.73,
      "Na2O": 3.74,
      "K2O": 2.27,
      "MgO": 1.84,
      "CaO": 10.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 9.71,
      "ZnO": 4.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 45.5
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.7
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.86,
      "Al2O3": 11.15,
      "B2O3": 2.18,
      "Na2O": 3.23,
      "K2O": 1.61,
      "MgO": 2.78,
      "CaO": 10.34,
      "P2O5": 4.45,
      "TiO2": 0.05,
      "Fe2O3": 9.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 33.6
      },
      {
        "material": "silica",
        "amount": 23.7
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "bone ash",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.9
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1573",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 13.87,
      "Na2O": 4.52,
      "K2O": 2.15,
      "MgO": 0.05,
      "CaO": 4.45,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "ZnO": 13.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1585",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.51,
      "Al2O3": 10.14,
      "B2O3": 2.04,
      "Na2O": 2.36,
      "K2O": 1.04,
      "MgO": 1.51,
      "CaO": 16.19,
      "P2O5": 0.04,
      "TiO2": 1.82,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 38.5
      },
      {
        "material": "whiting",
        "amount": 22.5
      },
      {
        "material": "nepheline syenite",
        "amount": 18.1
      },
      {
        "material": "ep kaolin",
        "amount": 12.1
      },
      {
        "material": "gerstley borate",
        "amount": 6.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "1627",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.16,
      "Al2O3": 12.12,
      "Li2O": 3.54,
      "Na2O": 1.84,
      "K2O": 2.45,
      "MgO": 4.87,
      "CaO": 13.7,
      "P2O5": 4.6,
      "TiO2": 4.12,
      "ZrO2": 2.92,
      "Fe2O3": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "zircopax",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "1650",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.61,
      "Al2O3": 9.98,
      "Na2O": 4.17,
      "K2O": 13.57,
      "MgO": 3.34,
      "CaO": 10.58,
      "P2O5": 6.83,
      "Fe2O3": 9.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 66.67
      },
      {
        "material": "custer feldspar",
        "amount": 33.33
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 33.33
      },
      {
        "material": "total",
        "amount": 133.33
      }
    ]
  },
  {
    "id": "1651",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.4,
      "Al2O3": 13.04,
      "Na2O": 3.87,
      "K2O": 1.8,
      "MgO": 3.34,
      "CaO": 4.54,
      "SrO": 15.1,
      "ZrO2": 11.65,
      "Fe2O3": 3.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.51
      },
      {
        "material": "strontium carbonate",
        "amount": 23.93
      },
      {
        "material": "dolomite",
        "amount": 15.45
      },
      {
        "material": "kaolin",
        "amount": 9.05
      },
      {
        "material": "silica",
        "amount": 9.05
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "zircopax",
        "amount": 19.28
      },
      {
        "material": "bentonite",
        "amount": 4.77
      },
      {
        "material": "red iron oxide",
        "amount": 3.58
      },
      {
        "material": "epsom salts",
        "amount": 1.19
      },
      {
        "material": "total",
        "amount": 128.81
      }
    ]
  },
  {
    "id": "1824",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.21,
      "Al2O3": 8.94,
      "B2O3": 5.46,
      "Na2O": 12.33,
      "K2O": 1.93,
      "MgO": 0.46,
      "CaO": 7.37,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 73.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1851",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.41,
      "Al2O3": 13.45,
      "B2O3": 12.53,
      "Li2O": 1.84,
      "Na2O": 5.52,
      "K2O": 1.39,
      "MgO": 1.05,
      "CaO": 10.62,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "1858",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.35,
      "Al2O3": 13.06,
      "B2O3": 12.33,
      "Na2O": 5.69,
      "K2O": 0.66,
      "MgO": 0.05,
      "CaO": 12.64,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 89.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "1926",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.99,
      "Al2O3": 9.59,
      "B2O3": 16.26,
      "Na2O": 10.91,
      "K2O": 2.79,
      "MgO": 0.01,
      "CaO": 6.8,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.06,
      "ZnO": 0.36,
      "SnO2": 9.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "pemco frit p-25",
        "amount": 55.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 36.4
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "1949",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.96,
      "Al2O3": 13.72,
      "B2O3": 11.14,
      "Na2O": 6.38,
      "K2O": 1.18,
      "MgO": 0.02,
      "CaO": 11.49,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.12,
      "Al2O3": 13.68,
      "B2O3": 8.02,
      "Na2O": 5.26,
      "K2O": 1.38,
      "MgO": 0.05,
      "CaO": 8.52,
      "TiO2": 0.53,
      "ZrO2": 8.33,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.8
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 17.1
      },
      {
        "material": "tile #6 kaolin",
        "amount": 10.8
      },
      {
        "material": "nepheline syenite",
        "amount": 6.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "2085",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.77,
      "Al2O3": 8.65,
      "B2O3": 6.74,
      "Na2O": 1.01,
      "K2O": 6.27,
      "MgO": 0.88,
      "CaO": 5.49,
      "BaO": 4.69,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "ZnO": 7.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 33.2
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "gerstley borate",
        "amount": 22.9
      },
      {
        "material": "zinc oxide",
        "amount": 6.7
      },
      {
        "material": "barium carbonate",
        "amount": 5.5
      },
      {
        "material": "kaolin",
        "amount": 3.9
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "2139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.64,
      "Al2O3": 10.58,
      "B2O3": 9.46,
      "Na2O": 5.01,
      "K2O": 1.12,
      "MgO": 2.09,
      "CaO": 11.94,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 45.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2152",
    "chemical_composition": {
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      "SiO2": 60.72,
      "Al2O3": 25.35,
      "B2O3": 1.51,
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      "K2O": 1.35,
      "MgO": 5.46,
      "CaO": 1.83,
      "P2O5": 0.06,
      "TiO2": 0.61,
      "Fe2O3": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.39,
      "Al2O3": 12.94,
      "B2O3": 9.62,
      "Na2O": 4.4,
      "K2O": 0.53,
      "MgO": 2.37,
      "CaO": 13.14,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "ZnO": 5.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.13,
      "Al2O3": 5.53,
      "B2O3": 3.54,
      "Na2O": 11.82,
      "K2O": 1.84,
      "MgO": 0.21,
      "CaO": 5.91,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "CuO": 3.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 77.0
      },
      {
        "material": "silica",
        "amount": 10.1
      },
      {
        "material": "ep kaolin",
        "amount": 7.2
      },
      {
        "material": "gerstley borate",
        "amount": 5.8
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "copper carbonate",
        "amount": 6.1
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "2233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.35,
      "Al2O3": 15.69,
      "B2O3": 6.63,
      "Li2O": 6.04,
      "Na2O": 1.1,
      "K2O": 0.41,
      "MgO": 0.97,
      "CaO": 4.92,
      "P2O5": 0.09,
      "TiO2": 6.54,
      "FeO": 2.32,
      "Fe2O3": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "gerstley borate",
        "amount": 21.7
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "lithium carbonate",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 99.8
      },
      {
        "material": "granular ilmenite",
        "amount": 4.3
      },
      {
        "material": "rutile",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "2254",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.59,
      "Al2O3": 14.26,
      "B2O3": 17.27,
      "Na2O": 2.6,
      "K2O": 0.38,
      "MgO": 2.41,
      "CaO": 12.83,
      "P2O5": 0.16,
      "TiO2": 0.2,
      "MnO": 0.59,
      "Fe2O3": 4.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "burnt umber",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "2255",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 28.7,
      "Al2O3": 5.66,
      "B2O3": 25.68,
      "Na2O": 5.45,
      "K2O": 1.19,
      "MgO": 3.18,
      "CaO": 17.77,
      "P2O5": 0.09,
      "TiO2": 0.22,
      "ZrO2": 4.31,
      "Fe2O3": 6.59,
      "F": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 70.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "ferro frit 5301",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "superpax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 14.59,
      "Al2O3": 0.99,
      "B2O3": 26.43,
      "Na2O": 3.94,
      "K2O": 0.4,
      "MgO": 3.45,
      "CaO": 32.89,
      "P2O5": 10.55,
      "TiO2": 0.1,
      "Fe2O3": 0.39,
      "CoO": 2.3,
      "CuO": 3.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 80.0
      },
      {
        "material": "bone ash",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "2350",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.23,
      "Al2O3": 11.28,
      "Na2O": 0.1,
      "K2O": 6.87,
      "MgO": 0.07,
      "CaO": 9.2,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.07,
      "Al2O3": 16.16,
      "B2O3": 4.98,
      "Na2O": 8.71,
      "K2O": 3.04,
      "MgO": 0.11,
      "CaO": 15.78,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2353",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.39,
      "Al2O3": 18.99,
      "Na2O": 7.7,
      "K2O": 3.59,
      "MgO": 1.34,
      "CaO": 4.56,
      "Fe2O3": 0.26,
      "ZnO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.53,
      "Al2O3": 15.74,
      "B2O3": 7.09,
      "Na2O": 6.4,
      "K2O": 2.7,
      "MgO": 3.53,
      "CaO": 9.05,
      "P2O5": 0.03,
      "TiO2": 0.14,
      "ZrO2": 3.45,
      "Fe2O3": 0.28,
      "SnO2": 8.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 7.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.34,
      "Al2O3": 11.03,
      "Li2O": 1.15,
      "Na2O": 0.11,
      "K2O": 7.14,
      "MgO": 3.08,
      "CaO": 7.42,
      "P2O5": 5.59,
      "TiO2": 0.12,
      "Fe2O3": 10.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "2376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.64,
      "Al2O3": 15.43,
      "B2O3": 2.21,
      "Na2O": 4.57,
      "K2O": 2.75,
      "MgO": 0.07,
      "CaO": 2.79,
      "SrO": 18.1,
      "TiO2": 5.06,
      "Fe2O3": 0.12,
      "CuO": 3.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.35,
      "Al2O3": 19.07,
      "B2O3": 1.95,
      "Li2O": 2.77,
      "Na2O": 3.44,
      "K2O": 1.47,
      "MgO": 0.07,
      "CaO": 1.86,
      "SrO": 10.93,
      "TiO2": 5.03,
      "Fe2O3": 0.13,
      "CuO": 1.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.3
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.5
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "2379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.84,
      "Al2O3": 18.72,
      "B2O3": 0.98,
      "Li2O": 2.74,
      "Na2O": 3.3,
      "K2O": 1.57,
      "MgO": 0.07,
      "CaO": 1.05,
      "SrO": 12.44,
      "TiO2": 4.98,
      "Fe2O3": 0.11,
      "CuO": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.3
      },
      {
        "material": "spodumene",
        "amount": 27.2
      },
      {
        "material": "strontium carbonate",
        "amount": 17.8
      },
      {
        "material": "grolleg kaolin",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.3
      },
      {
        "material": "lithium carbonate",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2380",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.47,
      "Al2O3": 9.7,
      "Na2O": 1.37,
      "K2O": 4.37,
      "MgO": 0.05,
      "CaO": 8.93,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "CuO": 1.35,
      "ZnO": 12.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.71
      },
      {
        "material": "silica",
        "amount": 25.87
      },
      {
        "material": "whiting",
        "amount": 14.33
      },
      {
        "material": "zinc oxide",
        "amount": 11.54
      },
      {
        "material": "ep kaolin",
        "amount": 4.71
      },
      {
        "material": "bentonite",
        "amount": 1.92
      },
      {
        "material": "copper carbonate",
        "amount": 1.92
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2381",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.3,
      "Al2O3": 16.47,
      "Li2O": 0.41,
      "Na2O": 5.92,
      "K2O": 2.85,
      "MgO": 0.09,
      "CaO": 0.45,
      "SrO": 14.03,
      "TiO2": 5.1,
      "Fe2O3": 0.16,
      "CuO": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.63,
      "Al2O3": 6.04,
      "B2O3": 1.88,
      "Li2O": 4.98,
      "Na2O": 2.79,
      "K2O": 1.21,
      "MgO": 1.73,
      "CaO": 9.09,
      "BaO": 1.67,
      "P2O5": 0.01,
      "TiO2": 3.48,
      "Fe2O3": 0.43,
      "CuO": 1.75,
      "SnO2": 3.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.48
      },
      {
        "material": "nepheline syenite",
        "amount": 23.61
      },
      {
        "material": "whiting",
        "amount": 12.39
      },
      {
        "material": "lithium carbonate",
        "amount": 11.26
      },
      {
        "material": "gerstley borate",
        "amount": 6.46
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.82
      },
      {
        "material": "barium carbonate",
        "amount": 1.98
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.55
      },
      {
        "material": "tin oxide",
        "amount": 3.05
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 109.1
      }
    ]
  },
  {
    "id": "2386",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.68,
      "Al2O3": 7.13,
      "B2O3": 6.01,
      "Na2O": 3.37,
      "K2O": 2.32,
      "MgO": 0.64,
      "CaO": 9.63,
      "SrO": 2.0,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 4.99,
      "SnO2": 11.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.6
      },
      {
        "material": "custer feldspar",
        "amount": 26.6
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "wollastonite",
        "amount": 10.6
      },
      {
        "material": "ep kaolin",
        "amount": 8.4
      },
      {
        "material": "strontium carbonate",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 2.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "2400",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.14,
      "Al2O3": 7.39,
      "B2O3": 6.78,
      "Na2O": 2.27,
      "K2O": 4.3,
      "MgO": 0.89,
      "CaO": 12.01,
      "SrO": 2.42,
      "P2O5": 0.03,
      "TiO2": 3.02,
      "Fe2O3": 0.47,
      "CoO": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.8
      },
      {
        "material": "silica",
        "amount": 24.9
      },
      {
        "material": "gerstley borate",
        "amount": 22.8
      },
      {
        "material": "whiting",
        "amount": 11.2
      },
      {
        "material": "strontium carbonate",
        "amount": 3.1
      },
      {
        "material": "total base recipe",
        "amount": 99.8
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 103.2
      }
    ]
  },
  {
    "id": "2401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.76,
      "Al2O3": 6.22,
      "B2O3": 9.3,
      "Na2O": 2.89,
      "K2O": 1.19,
      "MgO": 6.07,
      "CaO": 7.11,
      "P2O5": 0.05,
      "TiO2": 2.0,
      "Fe2O3": 0.4,
      "CoO": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "2402",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.54,
      "Al2O3": 5.95,
      "B2O3": 3.53,
      "Na2O": 11.71,
      "K2O": 1.84,
      "MgO": 0.27,
      "CaO": 5.87,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.18,
      "CoO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 77.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "2410",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.86,
      "Al2O3": 15.17,
      "Na2O": 3.66,
      "K2O": 1.91,
      "MgO": 0.12,
      "CaO": 14.32,
      "TiO2": 0.27,
      "Fe2O3": 0.31,
      "ZnO": 3.1,
      "SnO2": 8.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ball clay",
        "amount": 26.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2411",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.72,
      "Al2O3": 19.95,
      "B2O3": 3.77,
      "Li2O": 1.18,
      "Na2O": 1.68,
      "MgO": 3.82,
      "CaO": 8.54,
      "TiO2": 17.81,
      "Fe2O3": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "calcined kaolin",
        "amount": 16.0
      },
      {
        "material": "spodumene",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "titanium dioxide",
        "amount": 14.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "2415",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.85,
      "Al2O3": 6.34,
      "B2O3": 7.04,
      "Na2O": 1.2,
      "K2O": 1.73,
      "MgO": 2.74,
      "CaO": 16.0,
      "P2O5": 6.47,
      "TiO2": 0.45,
      "Fe2O3": 11.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 34.5
      },
      {
        "material": "gerstley borate",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 15.4
      },
      {
        "material": "bone ash",
        "amount": 13.2
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 92.2
      },
      {
        "material": "red iron oxide",
        "amount": 7.7
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "2417",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.9,
      "Al2O3": 9.8,
      "Li2O": 1.53,
      "Na2O": 0.06,
      "K2O": 7.44,
      "MgO": 5.09,
      "CaO": 7.87,
      "P2O5": 5.97,
      "TiO2": 0.01,
      "Fe2O3": 10.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.7
      },
      {
        "material": "talc",
        "amount": 16.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2418",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.73,
      "Al2O3": 10.54,
      "Li2O": 1.56,
      "Na2O": 3.13,
      "K2O": 2.17,
      "MgO": 5.21,
      "CaO": 8.78,
      "P2O5": 6.08,
      "TiO2": 0.01,
      "FeO": 3.84,
      "Fe2O3": 4.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 46.7
      },
      {
        "material": "talc",
        "amount": 16.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "crocus martis",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2419",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.8,
      "Al2O3": 18.45,
      "B2O3": 2.82,
      "Na2O": 4.35,
      "K2O": 1.96,
      "MgO": 5.04,
      "CaO": 11.13,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "2420",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.25,
      "Al2O3": 18.47,
      "B2O3": 2.9,
      "Na2O": 4.39,
      "K2O": 1.98,
      "MgO": 5.05,
      "CaO": 10.52,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.5
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 17.5
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 98.5
      }
    ]
  },
  {
    "id": "2422",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.87,
      "Al2O3": 9.33,
      "B2O3": 2.97,
      "Na2O": 2.37,
      "K2O": 0.55,
      "MgO": 0.39,
      "CaO": 20.26,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 35.5
      },
      {
        "material": "silica",
        "amount": 23.2
      },
      {
        "material": "ep kaolin",
        "amount": 17.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.7
      },
      {
        "material": "nepheline syenite",
        "amount": 10.3
      },
      {
        "material": "talc",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2427",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.33,
      "Al2O3": 13.44,
      "B2O3": 4.26,
      "Na2O": 3.94,
      "K2O": 3.19,
      "MgO": 2.96,
      "CaO": 6.78,
      "P2O5": 0.12,
      "TiO2": 0.61,
      "Fe2O3": 8.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 52.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.4
      },
      {
        "material": "nepheline syenite",
        "amount": 17.4
      },
      {
        "material": "dolomite",
        "amount": 8.7
      },
      {
        "material": "total base recipe",
        "amount": 95.7
      },
      {
        "material": "red iron oxide",
        "amount": 4.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2433",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.26,
      "Al2O3": 10.83,
      "B2O3": 2.0,
      "Na2O": 1.33,
      "K2O": 3.84,
      "MgO": 0.41,
      "CaO": 1.62,
      "BaO": 13.33,
      "P2O5": 0.03,
      "TiO2": 0.16,
      "MnO": 0.6,
      "Fe2O3": 4.74,
      "CoO": 2.09,
      "CuO": 3.17,
      "ZnO": 8.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.8
      },
      {
        "material": "barium carbonate",
        "amount": 18.4
      },
      {
        "material": "barnard slip",
        "amount": 18.4
      },
      {
        "material": "ep kaolin",
        "amount": 9.2
      },
      {
        "material": "silica",
        "amount": 9.2
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.2
      },
      {
        "material": "black copper oxide",
        "amount": 3.4
      },
      {
        "material": "cobalt oxide",
        "amount": 2.4
      },
      {
        "material": "red iron oxide",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 117.3
      }
    ]
  },
  {
    "id": "2434",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.38,
      "Al2O3": 19.4,
      "Na2O": 5.25,
      "K2O": 2.46,
      "MgO": 0.05,
      "CaO": 11.1,
      "TiO2": 6.02,
      "Fe2O3": 0.72,
      "ZnO": 8.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "2436",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.25,
      "Al2O3": 6.72,
      "B2O3": 8.81,
      "Na2O": 2.8,
      "K2O": 1.16,
      "MgO": 5.83,
      "CaO": 6.76,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "ZrO2": 5.32,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 31.6
      },
      {
        "material": "silica",
        "amount": 29.64
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 19.8
      },
      {
        "material": "talc",
        "amount": 13.95
      },
      {
        "material": "ep kaolin",
        "amount": 4.98
      },
      {
        "material": "total base recipe",
        "amount": 99.97
      },
      {
        "material": "zirconium dioxide",
        "amount": 5.11
      },
      {
        "material": "bentonite",
        "amount": 1.99
      },
      {
        "material": "total",
        "amount": 107.07
      }
    ]
  },
  {
    "id": "2444",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.29,
      "Al2O3": 17.08,
      "Li2O": 1.16,
      "Na2O": 6.06,
      "K2O": 2.84,
      "MgO": 0.06,
      "CaO": 0.43,
      "BaO": 22.16,
      "Fe2O3": 0.06,
      "CuO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "2445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.34,
      "Al2O3": 17.46,
      "Li2O": 1.19,
      "Na2O": 6.19,
      "K2O": 2.91,
      "MgO": 0.06,
      "CaO": 0.44,
      "SrO": 20.47,
      "Fe2O3": 0.06,
      "CuO": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "2446",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.19,
      "Al2O3": 19.85,
      "B2O3": 4.91,
      "Na2O": 2.44,
      "K2O": 0.71,
      "MgO": 5.36,
      "CaO": 12.42,
      "P2O5": 0.03,
      "TiO2": 0.52,
      "Fe2O3": 0.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2452",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.8,
      "Al2O3": 8.45,
      "B2O3": 7.15,
      "Na2O": 4.27,
      "K2O": 0.06,
      "MgO": 5.82,
      "CaO": 6.15,
      "BaO": 2.09,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "talc",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "soda feldspar",
        "amount": 9.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.66
      },
      {
        "material": "total",
        "amount": 102.66
      }
    ]
  },
  {
    "id": "2453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.88,
      "Al2O3": 14.28,
      "B2O3": 2.69,
      "Na2O": 2.61,
      "K2O": 7.41,
      "MgO": 0.35,
      "CaO": 5.03,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 9.83,
      "CoO": 1.26,
      "CuO": 2.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.1
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 92.7
      },
      {
        "material": "red iron oxide",
        "amount": 10.2
      },
      {
        "material": "copper carbonate",
        "amount": 4.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "2456",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.79,
      "Al2O3": 12.67,
      "B2O3": 2.63,
      "Na2O": 4.14,
      "K2O": 1.83,
      "MgO": 0.39,
      "CaO": 9.57,
      "SrO": 10.73,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "strontium carbonate",
        "amount": 14.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2460",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.35,
      "Al2O3": 12.93,
      "B2O3": 0.25,
      "Na2O": 5.3,
      "K2O": 2.43,
      "MgO": 0.12,
      "CaO": 0.4,
      "SrO": 36.58,
      "BaO": 1.23,
      "Fe2O3": 0.16,
      "CuO": 6.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "strontium carbonate",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "frit 3289",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2462",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.59,
      "Al2O3": 12.29,
      "Na2O": 2.12,
      "K2O": 2.58,
      "MgO": 0.22,
      "CaO": 14.46,
      "P2O5": 0.01,
      "TiO2": 5.38,
      "Fe2O3": 0.37,
      "CuO": 3.4,
      "ZnO": 10.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 44.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 78.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 86.0
      }
    ]
  },
  {
    "id": "2465",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.86,
      "Al2O3": 14.7,
      "Na2O": 5.08,
      "K2O": 3.5,
      "MgO": 5.38,
      "CaO": 8.63,
      "SrO": 12.73,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
  {
    "id": "2467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.2,
      "Al2O3": 15.34,
      "Na2O": 1.33,
      "K2O": 4.44,
      "MgO": 0.02,
      "CaO": 0.17,
      "BaO": 33.91,
      "P2O5": 0.05,
      "TiO2": 0.11,
      "Fe2O3": 0.21,
      "CuO": 4.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "c & c ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "2468",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.2,
      "Al2O3": 12.33,
      "B2O3": 0.63,
      "Na2O": 5.14,
      "K2O": 2.26,
      "MgO": 0.13,
      "CaO": 0.38,
      "BaO": 38.86,
      "Fe2O3": 0.19,
      "CuO": 5.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 47.5
      },
      {
        "material": "nepheline syenite",
        "amount": 47.5
      },
      {
        "material": "pemco frit p-626",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "2472",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 11.63,
      "Na2O": 3.3,
      "K2O": 2.28,
      "MgO": 0.07,
      "CaO": 14.56,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "CoO": 3.05,
      "ZnO": 6.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 43.0
      },
      {
        "material": "whiting",
        "amount": 22.5
      },
      {
        "material": "silica",
        "amount": 21.5
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "2473",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 36.83,
      "Al2O3": 13.79,
      "Li2O": 2.69,
      "Na2O": 2.24,
      "K2O": 1.11,
      "MgO": 0.09,
      "CaO": 0.22,
      "BaO": 35.04,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Cr2O3": 2.2,
      "MnO2": 1.91,
      "Fe2O3": 2.36,
      "CoO": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 41.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "2474",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.9,
      "Al2O3": 14.71,
      "B2O3": 3.48,
      "Li2O": 1.49,
      "Na2O": 1.24,
      "K2O": 0.29,
      "MgO": 5.56,
      "CaO": 8.44,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 2.14,
      "SnO2": 3.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 17.5
      },
      {
        "material": "kaolin",
        "amount": 17.5
      },
      {
        "material": "spodumene",
        "amount": 17.5
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 3.5
      },
      {
        "material": "ep kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "yellow ochre",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "2475",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.86,
      "Al2O3": 13.28,
      "B2O3": 2.89,
      "Na2O": 1.98,
      "K2O": 5.23,
      "MgO": 0.39,
      "CaO": 14.2,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "CoO": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.3
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "ep kaolin",
        "amount": 11.1
      },
      {
        "material": "gerstley borate",
        "amount": 10.1
      },
      {
        "material": "silica",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 97.2
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.26,
      "Al2O3": 11.23,
      "B2O3": 6.45,
      "Na2O": 4.47,
      "K2O": 3.33,
      "MgO": 1.81,
      "CaO": 5.8,
      "P2O5": 0.17,
      "TiO2": 0.74,
      "Fe2O3": 4.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2492",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.93,
      "Al2O3": 13.78,
      "B2O3": 7.27,
      "Na2O": 5.81,
      "K2O": 2.33,
      "MgO": 1.04,
      "CaO": 5.62,
      "P2O5": 0.04,
      "TiO2": 3.66,
      "Fe2O3": 2.57,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "2505",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.72,
      "Al2O3": 7.29,
      "B2O3": 5.49,
      "Na2O": 2.01,
      "K2O": 4.22,
      "MgO": 0.74,
      "CaO": 8.99,
      "SrO": 1.96,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 5.43,
      "SnO2": 12.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "strontium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "2514",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.13,
      "Al2O3": 11.52,
      "B2O3": 1.25,
      "Na2O": 1.79,
      "K2O": 4.13,
      "MgO": 2.9,
      "CaO": 10.47,
      "P2O5": 0.03,
      "TiO2": 5.48,
      "Fe2O3": 0.72,
      "CuO": 2.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2515",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.1,
      "Al2O3": 20.75,
      "Li2O": 4.25,
      "Na2O": 6.01,
      "K2O": 2.88,
      "MgO": 0.08,
      "CaO": 6.29,
      "P2O5": 4.47,
      "TiO2": 0.07,
      "Fe2O3": 10.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.7
      },
      {
        "material": "ep kaolin",
        "amount": 15.8
      },
      {
        "material": "bone ash",
        "amount": 9.5
      },
      {
        "material": "lithium carbonate",
        "amount": 9.5
      },
      {
        "material": "red iron oxide",
        "amount": 9.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2521",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.93,
      "Al2O3": 17.04,
      "Na2O": 2.4,
      "K2O": 2.36,
      "MgO": 0.03,
      "CaO": 10.8,
      "TiO2": 5.06,
      "Fe2O3": 1.87,
      "ZnO": 6.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 40.0
      },
      {
        "material": "cornwall stone",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "yellow ochre",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "2523",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.61,
      "Al2O3": 13.77,
      "B2O3": 3.43,
      "Na2O": 2.31,
      "K2O": 6.05,
      "MgO": 0.45,
      "CaO": 7.47,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 10.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.9
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 8.7
      },
      {
        "material": "silica",
        "amount": 8.7
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2524",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.91,
      "Al2O3": 8.98,
      "B2O3": 8.85,
      "Na2O": 2.63,
      "K2O": 4.81,
      "MgO": 1.24,
      "CaO": 12.86,
      "P2O5": 0.03,
      "TiO2": 3.02,
      "Fe2O3": 2.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "plastic vitrox",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "2529",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.35,
      "Al2O3": 12.7,
      "Na2O": 3.65,
      "K2O": 2.55,
      "MgO": 0.03,
      "CaO": 7.3,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "MnO2": 2.11,
      "Fe2O3": 9.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 54.5
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 11.75
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.5
      },
      {
        "material": "manganese dioxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 110.25
      }
    ]
  },
  {
    "id": "2538",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.98,
      "Al2O3": 9.5,
      "B2O3": 4.85,
      "Na2O": 2.37,
      "K2O": 3.2,
      "MgO": 3.29,
      "CaO": 17.57,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.0,
      "Al2O3": 14.72,
      "B2O3": 4.21,
      "Na2O": 1.94,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.42,
      "P2O5": 0.08,
      "TiO2": 5.45,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "2579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.84,
      "Al2O3": 14.29,
      "B2O3": 4.68,
      "Li2O": 1.64,
      "Na2O": 2.08,
      "MgO": 4.5,
      "CaO": 10.26,
      "TiO2": 3.69,
      "Fe2O3": 0.41,
      "CoO": 0.48,
      "SnO2": 5.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "2592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.87,
      "Al2O3": 12.33,
      "B2O3": 6.33,
      "Na2O": 1.88,
      "K2O": 3.35,
      "MgO": 4.74,
      "CaO": 13.1,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2594",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.17,
      "Al2O3": 12.23,
      "B2O3": 6.13,
      "Na2O": 4.12,
      "K2O": 1.6,
      "MgO": 0.83,
      "CaO": 9.56,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Cr2O3": 2.18,
      "Fe2O3": 0.12,
      "CoO": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "2597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.05,
      "Al2O3": 13.02,
      "B2O3": 3.55,
      "Na2O": 3.54,
      "K2O": 0.92,
      "MgO": 0.02,
      "CaO": 15.65,
      "Fe2O3": 0.55,
      "CoO": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "2617",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.88,
      "Al2O3": 9.65,
      "Na2O": 2.71,
      "K2O": 1.27,
      "MgO": 0.03,
      "CaO": 1.95,
      "SrO": 9.76,
      "BaO": 18.72,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.5
      },
      {
        "material": "nepheline syenite",
        "amount": 24.7
      },
      {
        "material": "barium carbonate",
        "amount": 21.5
      },
      {
        "material": "strontium carbonate",
        "amount": 12.4
      },
      {
        "material": "kaolin",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2632",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.59,
      "Al2O3": 9.98,
      "B2O3": 2.96,
      "Na2O": 3.03,
      "K2O": 1.29,
      "MgO": 0.42,
      "CaO": 13.27,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 0.34,
      "Fe2O3": 0.15,
      "SnO2": 7.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.5
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.5
      },
      {
        "material": "ep kaolin",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.33
      },
      {
        "material": "total",
        "amount": 107.83
      }
    ]
  },
  {
    "id": "2646",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.9,
      "Al2O3": 16.2,
      "B2O3": 2.82,
      "Na2O": 0.42,
      "K2O": 13.12,
      "MgO": 0.37,
      "CaO": 5.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "MnO2": 3.53,
      "Fe2O3": 0.04,
      "CoO": 1.89,
      "CuO": 2.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 78.86
      },
      {
        "material": "gerstley borate",
        "amount": 10.75
      },
      {
        "material": "whiting",
        "amount": 5.48
      },
      {
        "material": "kaolin",
        "amount": 4.91
      },
      {
        "material": "copper carbonate",
        "amount": 4.14
      },
      {
        "material": "manganese dioxide",
        "amount": 4.14
      },
      {
        "material": "cobalt oxide",
        "amount": 2.07
      },
      {
        "material": "total",
        "amount": 110.35
      }
    ]
  },
  {
    "id": "2671",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.91,
      "Al2O3": 10.06,
      "Na2O": 0.05,
      "K2O": 6.27,
      "MgO": 0.04,
      "CaO": 7.93,
      "TiO2": 9.22,
      "Fe2O3": 0.14,
      "CoO": 0.85,
      "CuO": 0.91,
      "ZnO": 13.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 40.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "2690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.68,
      "Al2O3": 7.03,
      "B2O3": 15.42,
      "Na2O": 2.31,
      "K2O": 0.29,
      "MgO": 2.03,
      "CaO": 11.19,
      "P2O5": 0.1,
      "TiO2": 1.16,
      "Fe2O3": 0.48,
      "CoO": 1.09,
      "CuO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "2692",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.09,
      "Al2O3": 20.75,
      "Li2O": 4.25,
      "Na2O": 6.01,
      "K2O": 2.87,
      "MgO": 0.08,
      "CaO": 6.29,
      "P2O5": 4.47,
      "TiO2": 0.07,
      "Fe2O3": 10.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.5
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "bone ash",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 10.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "2693",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.17,
      "Al2O3": 11.92,
      "B2O3": 3.77,
      "Na2O": 2.37,
      "K2O": 2.35,
      "MgO": 2.99,
      "CaO": 10.29,
      "P2O5": 0.05,
      "TiO2": 4.73,
      "Fe2O3": 0.69,
      "CuO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "2699",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.61,
      "Al2O3": 4.18,
      "B2O3": 12.66,
      "Na2O": 1.89,
      "K2O": 3.62,
      "MgO": 1.65,
      "CaO": 16.74,
      "BaO": 5.24,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "Fe2O3": 2.75,
      "SnO2": 17.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 35.0
      },
      {
        "material": "feldspar",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 90.0
      }
    ]
  },
  {
    "id": "2704",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.31,
      "Al2O3": 0.22,
      "B2O3": 12.59,
      "Na2O": 8.97,
      "MgO": 3.98,
      "CaO": 1.14,
      "SrO": 0.07,
      "BaO": 3.54,
      "TiO2": 0.01,
      "FeO": 0.05,
      "Fe2O3": 17.39,
      "ZnO": 2.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "2705",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.03,
      "Al2O3": 10.22,
      "B2O3": 2.69,
      "Na2O": 4.56,
      "K2O": 1.58,
      "MgO": 0.03,
      "CaO": 12.46,
      "Fe2O3": 0.03,
      "CuO": 2.53,
      "SnO2": 7.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "2707",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.28,
      "Al2O3": 14.79,
      "B2O3": 4.23,
      "Na2O": 1.95,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.5,
      "P2O5": 0.08,
      "TiO2": 5.03,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "2708",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.42,
      "Al2O3": 15.23,
      "B2O3": 2.85,
      "Na2O": 2.78,
      "K2O": 7.89,
      "MgO": 0.38,
      "CaO": 5.37,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 3.45,
      "Fe2O3": 0.16,
      "CoO": 1.88,
      "CuO": 2.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 78.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.7
      },
      {
        "material": "whiting",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "2718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.83,
      "Al2O3": 10.41,
      "B2O3": 3.18,
      "Na2O": 1.79,
      "K2O": 3.31,
      "MgO": 2.7,
      "CaO": 6.44,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 8.11,
      "CoO": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "2719",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.37,
      "Al2O3": 13.98,
      "Na2O": 4.25,
      "K2O": 2.96,
      "MgO": 1.07,
      "CaO": 5.15,
      "Fe2O3": 7.23,
      "CoO": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 65.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "2720",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.43,
      "Al2O3": 10.87,
      "B2O3": 0.49,
      "Na2O": 3.43,
      "K2O": 2.38,
      "MgO": 3.45,
      "CaO": 5.79,
      "P2O5": 0.05,
      "TiO2": 1.94,
      "Fe2O3": 8.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "2721",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.72,
      "Al2O3": 12.97,
      "Na2O": 1.5,
      "K2O": 5.21,
      "MgO": 0.04,
      "CaO": 9.91,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 9.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.8,
      "Al2O3": 6.15,
      "B2O3": 1.93,
      "Li2O": 5.05,
      "Na2O": 2.85,
      "K2O": 1.23,
      "MgO": 1.76,
      "CaO": 9.27,
      "BaO": 1.72,
      "P2O5": 0.01,
      "TiO2": 3.49,
      "Fe2O3": 0.44,
      "SnO2": 3.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.5
      },
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 12.4
      },
      {
        "material": "lithium carbonate",
        "amount": 11.2
      },
      {
        "material": "gerstley borate",
        "amount": 6.5
      },
      {
        "material": "rutile",
        "amount": 3.5
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.8
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "2750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 11.12,
      "B2O3": 3.06,
      "Na2O": 5.08,
      "K2O": 2.22,
      "MgO": 6.32,
      "CaO": 9.49,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.09,
      "CoO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.4
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "dolomite",
        "amount": 11.7
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.4
      },
      {
        "material": "whiting",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "2793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.64,
      "Al2O3": 7.69,
      "Na2O": 0.16,
      "K2O": 6.19,
      "MgO": 4.64,
      "CaO": 12.18,
      "TiO2": 9.32,
      "Fe2O3": 1.21,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2810",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.92,
      "Al2O3": 11.77,
      "Na2O": 0.02,
      "K2O": 7.57,
      "MgO": 0.02,
      "CaO": 12.48,
      "TiO2": 11.17,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2818",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.71,
      "Al2O3": 17.63,
      "Na2O": 6.46,
      "K2O": 3.02,
      "MgO": 4.82,
      "CaO": 7.0,
      "ZrO2": 16.19,
      "Fe2O3": 1.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 63.9
      },
      {
        "material": "dolomite",
        "amount": 21.1
      },
      {
        "material": "zirconium dioxide",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 105.3
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.3
      }
    ]
  },
  {
    "id": "2819",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.92,
      "Al2O3": 18.99,
      "Na2O": 7.05,
      "K2O": 0.07,
      "MgO": 2.19,
      "CaO": 8.63,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 2.18,
      "Fe2O3": 0.15,
      "CoO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.2
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 113.3
      }
    ]
  },
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    "id": "2829",
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      "Amt.": 0.0,
      "SiO2": 60.43,
      "Al2O3": 12.09,
      "B2O3": 4.26,
      "Li2O": 2.73,
      "Na2O": 0.71,
      "K2O": 0.11,
      "MgO": 7.06,
      "CaO": 5.55,
      "P2O5": 0.03,
      "TiO2": 6.18,
      "Fe2O3": 0.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
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    "id": "2830",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.8,
      "Al2O3": 9.18,
      "Na2O": 1.1,
      "K2O": 3.77,
      "MgO": 0.05,
      "CaO": 9.64,
      "TiO2": 1.86,
      "ZrO2": 0.97,
      "Fe2O3": 0.34,
      "CuO": 1.87,
      "ZnO": 16.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "2831",
    "chemical_composition": {
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      "SiO2": 67.73,
      "Al2O3": 12.25,
      "Na2O": 2.93,
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      "MgO": 6.78,
      "CaO": 6.68,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 1.06,
      "Fe2O3": 0.1,
      "CoO": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
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    "id": "2833",
    "chemical_composition": {
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      "SiO2": 60.24,
      "Al2O3": 19.07,
      "B2O3": 2.2,
      "Li2O": 0.77,
      "Na2O": 6.13,
      "K2O": 2.45,
      "MgO": 0.06,
      "CaO": 8.88,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2834",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.63,
      "Al2O3": 13.1,
      "B2O3": 1.29,
      "Na2O": 3.3,
      "K2O": 2.1,
      "MgO": 5.22,
      "CaO": 8.12,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.64,
      "Al2O3": 8.32,
      "B2O3": 1.74,
      "Na2O": 2.03,
      "K2O": 4.01,
      "MgO": 6.14,
      "CaO": 3.85,
      "Fe2O3": 0.11,
      "CoO": 1.99,
      "ZnO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 92.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2836",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.01,
      "Al2O3": 8.74,
      "B2O3": 1.93,
      "Li2O": 1.47,
      "Na2O": 3.18,
      "K2O": 3.5,
      "MgO": 0.85,
      "CaO": 8.65,
      "Cr2O3": 0.21,
      "Fe2O3": 0.12,
      "CoO": 0.39,
      "SnO2": 4.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.8
      },
      {
        "material": "custer feldspar",
        "amount": 27.2
      },
      {
        "material": "nepheline syenite",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 11.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.2
      },
      {
        "material": "lithium carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.6
      }
    ]
  },
  {
    "id": "2837",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.34,
      "Al2O3": 10.46,
      "Na2O": 1.02,
      "K2O": 3.4,
      "CaO": 9.47,
      "TiO2": 1.75,
      "ZrO2": 0.97,
      "Fe2O3": 0.23,
      "CuO": 1.87,
      "ZnO": 16.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "2838",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.0,
      "Al2O3": 11.43,
      "Na2O": 1.12,
      "K2O": 3.71,
      "MgO": 0.06,
      "CaO": 10.65,
      "TiO2": 0.88,
      "Fe2O3": 0.19,
      "CuO": 1.26,
      "ZnO": 11.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "2839",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.63,
      "Al2O3": 16.59,
      "B2O3": 1.99,
      "Na2O": 1.63,
      "K2O": 2.51,
      "CaO": 15.63,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "2843",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 79.26,
      "Al2O3": 14.03,
      "Na2O": 4.15,
      "K2O": 1.98,
      "MgO": 0.05,
      "CaO": 0.32,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 47.6
      },
      {
        "material": "nepheline syenite",
        "amount": 41.5
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "2844",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 9.95,
      "B2O3": 5.56,
      "Na2O": 3.1,
      "K2O": 2.12,
      "MgO": 1.51,
      "CaO": 6.95,
      "P2O5": 0.04,
      "TiO2": 1.94,
      "Cr2O3": 0.94,
      "MnO2": 1.63,
      "Fe2O3": 4.6,
      "CoO": 1.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "2851",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.93,
      "Al2O3": 7.44,
      "B2O3": 1.38,
      "Li2O": 0.49,
      "Na2O": 0.61,
      "K2O": 1.2,
      "MgO": 1.59,
      "CaO": 5.42,
      "TiO2": 2.17,
      "Cr2O3": 45.31,
      "Fe2O3": 0.24,
      "CoO": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "lepidolite",
        "amount": 27.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 75.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.38
      },
      {
        "material": "total",
        "amount": 179.38
      }
    ]
  },
  {
    "id": "2852",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.52,
      "Al2O3": 16.64,
      "Na2O": 2.78,
      "K2O": 6.05,
      "MgO": 4.88,
      "CaO": 6.99,
      "Fe2O3": 0.11,
      "CoO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "2862",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.68,
      "Al2O3": 9.84,
      "Na2O": 0.93,
      "K2O": 3.13,
      "MgO": 0.01,
      "CaO": 17.41,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 3.66,
      "Fe2O3": 0.12,
      "CoO": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.3
      },
      {
        "material": "custer feldspar",
        "amount": 27.8
      },
      {
        "material": "whiting",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 11.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 3.3
      },
      {
        "material": "cobalt oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 104.4
      }
    ]
  },
  {
    "id": "2866",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.35,
      "Al2O3": 22.34,
      "Li2O": 1.8,
      "Na2O": 1.03,
      "K2O": 3.46,
      "MgO": 5.43,
      "CaO": 9.56,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "SnO2": 5.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "2878",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.39,
      "Al2O3": 12.61,
      "K2O": 7.52,
      "CaO": 12.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2888",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.85,
      "Al2O3": 12.37,
      "Na2O": 0.98,
      "K2O": 3.21,
      "MgO": 0.05,
      "CaO": 13.19,
      "TiO2": 0.16,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.5
      },
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 20.5
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2889",
    "chemical_composition": {
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      "SiO2": 69.07,
      "Al2O3": 14.35,
      "Na2O": 0.93,
      "K2O": 3.1,
      "CaO": 12.5,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.9
      },
      {
        "material": "custer feldspar",
        "amount": 27.5
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2895",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.5,
      "Al2O3": 10.56,
      "Na2O": 1.86,
      "K2O": 6.21,
      "CaO": 6.36,
      "BaO": 3.52,
      "FeO": 0.26,
      "Fe2O3": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 61.7
      },
      {
        "material": "silica",
        "amount": 21.2
      },
      {
        "material": "wollastonite",
        "amount": 12.7
      },
      {
        "material": "barium carbonate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "2911",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.61,
      "Al2O3": 14.45,
      "B2O3": 8.28,
      "Na2O": 6.32,
      "K2O": 2.53,
      "MgO": 1.14,
      "CaO": 6.36,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.24,
      "Al2O3": 11.23,
      "K2O": 8.34,
      "MgO": 1.56,
      "CaO": 10.15,
      "P2O5": 0.93,
      "Fe2O3": 1.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 6.5
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2955",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.29,
      "Al2O3": 16.12,
      "B2O3": 6.31,
      "Na2O": 9.45,
      "K2O": 3.2,
      "MgO": 7.55,
      "CaO": 5.82,
      "Cr2O3": 1.15,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "borax",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "2965",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.49,
      "Al2O3": 22.53,
      "K2O": 9.79,
      "MgO": 5.8,
      "CaO": 10.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 48.9
      },
      {
        "material": "kaolin",
        "amount": 25.1
      },
      {
        "material": "dolomite",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "2966",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.53,
      "Al2O3": 23.68,
      "Li2O": 2.22,
      "Na2O": 8.42,
      "K2O": 2.76,
      "MgO": 0.09,
      "CaO": 1.68,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.27,
      "SnO2": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "2967",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.08,
      "Al2O3": 15.04,
      "B2O3": 3.34,
      "Na2O": 2.82,
      "K2O": 7.8,
      "MgO": 0.44,
      "CaO": 6.15,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 7.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 77.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.4
      },
      {
        "material": "whiting",
        "amount": 6.2
      },
      {
        "material": "kaolin",
        "amount": 4.3
      },
      {
        "material": "silica",
        "amount": 0.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "2968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 8.06,
      "B2O3": 2.53,
      "Na2O": 1.78,
      "K2O": 4.6,
      "MgO": 2.42,
      "CaO": 9.99,
      "BaO": 3.71,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.12,
      "CuO": 0.35,
      "ZnO": 1.85,
      "SnO2": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.9
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "dolomite",
        "amount": 8.7
      },
      {
        "material": "gerstley borate",
        "amount": 8.7
      },
      {
        "material": "whiting",
        "amount": 8.4
      },
      {
        "material": "barium carbonate",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.6
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "2971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.48,
      "Al2O3": 25.83,
      "Li2O": 1.29,
      "Na2O": 7.58,
      "K2O": 2.8,
      "MgO": 0.09,
      "CaO": 0.55,
      "TiO2": 0.16,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 10.8
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "2975",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.81,
      "Al2O3": 9.65,
      "B2O3": 3.87,
      "Na2O": 2.07,
      "K2O": 5.04,
      "MgO": 1.9,
      "CaO": 9.91,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 4.31,
      "ZnO": 4.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.2
      },
      {
        "material": "silica",
        "amount": 19.8
      },
      {
        "material": "gerstley borate",
        "amount": 13.4
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "dolomite",
        "amount": 5.9
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "kaolin",
        "amount": 2.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "2976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.38,
      "Al2O3": 13.24,
      "Na2O": 0.91,
      "K2O": 3.02,
      "MgO": 3.31,
      "CaO": 13.13,
      "P2O5": 6.41,
      "Fe2O3": 9.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "2977",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.17,
      "Al2O3": 10.46,
      "Na2O": 1.37,
      "K2O": 4.57,
      "MgO": 2.73,
      "CaO": 10.8,
      "P2O5": 4.44,
      "Fe2O3": 10.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "bone ash",
        "amount": 11.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "2978",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.43,
      "Al2O3": 10.09,
      "Na2O": 1.25,
      "K2O": 4.18,
      "MgO": 2.37,
      "CaO": 9.99,
      "P2O5": 4.72,
      "Fe2O3": 11.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.5
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "2991",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.86,
      "Al2O3": 46.06,
      "Li2O": 0.78,
      "Na2O": 5.82,
      "K2O": 2.71,
      "MgO": 0.14,
      "CaO": 0.45,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "alumina",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3000",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.78,
      "Al2O3": 17.46,
      "B2O3": 4.31,
      "Na2O": 2.14,
      "K2O": 0.62,
      "MgO": 4.71,
      "CaO": 10.92,
      "P2O5": 0.03,
      "TiO2": 0.46,
      "Fe2O3": 10.92,
      "CoO": 1.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "3001",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.35,
      "Al2O3": 20.07,
      "Na2O": 4.95,
      "K2O": 2.39,
      "MgO": 0.07,
      "CaO": 11.68,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CoO": 0.7,
      "ZnO": 13.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3002",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.8,
      "Al2O3": 18.81,
      "Na2O": 7.63,
      "K2O": 3.56,
      "MgO": 1.32,
      "CaO": 4.52,
      "Fe2O3": 0.26,
      "CoO": 0.97,
      "ZnO": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.75,
      "Al2O3": 10.89,
      "Na2O": 0.1,
      "K2O": 6.64,
      "MgO": 0.07,
      "CaO": 8.89,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.17,
      "CoO": 1.32,
      "CuO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.74,
      "Al2O3": 11.2,
      "Na2O": 0.1,
      "K2O": 6.83,
      "MgO": 0.07,
      "CaO": 9.14,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.18,
      "CoO": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3008",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.07,
      "Al2O3": 12.58,
      "Li2O": 4.53,
      "Na2O": 0.02,
      "K2O": 10.39,
      "MgO": 0.02,
      "CaO": 6.25,
      "TiO2": 0.06,
      "Fe2O3": 0.06,
      "CoO": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3009",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.6,
      "Al2O3": 12.49,
      "Li2O": 4.49,
      "Na2O": 0.02,
      "K2O": 10.31,
      "MgO": 0.02,
      "CaO": 6.2,
      "TiO2": 0.06,
      "Fe2O3": 0.06,
      "CoO": 1.03,
      "CuO": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3013",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.18,
      "Al2O3": 18.61,
      "Na2O": 7.55,
      "K2O": 3.52,
      "MgO": 1.31,
      "CaO": 4.47,
      "Cr2O3": 1.03,
      "Fe2O3": 0.26,
      "CoO": 0.96,
      "ZnO": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.17,
      "Al2O3": 13.79,
      "B2O3": 2.21,
      "Na2O": 4.62,
      "K2O": 2.61,
      "MgO": 0.07,
      "CaO": 2.82,
      "SrO": 18.1,
      "TiO2": 5.19,
      "Fe2O3": 0.16,
      "CuO": 3.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "ball clay",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.61,
      "Al2O3": 11.51,
      "B2O3": 4.65,
      "Na2O": 2.7,
      "K2O": 2.11,
      "MgO": 0.02,
      "CaO": 13.94,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 0.51,
      "Fe2O3": 0.18,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "3016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.27,
      "Al2O3": 14.57,
      "B2O3": 4.49,
      "Na2O": 7.85,
      "K2O": 2.74,
      "MgO": 0.1,
      "CaO": 14.23,
      "ZrO2": 6.62,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3017",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.04,
      "Al2O3": 14.57,
      "B2O3": 4.49,
      "Na2O": 7.85,
      "K2O": 2.74,
      "MgO": 0.1,
      "CaO": 14.23,
      "Fe2O3": 0.13,
      "SnO2": 9.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.11,
      "Al2O3": 12.07,
      "B2O3": 6.47,
      "Na2O": 3.35,
      "K2O": 1.67,
      "MgO": 2.53,
      "CaO": 10.65,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "SnO2": 9.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 29.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3019",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.11,
      "Al2O3": 12.07,
      "B2O3": 6.47,
      "Na2O": 3.35,
      "K2O": 1.67,
      "MgO": 2.53,
      "CaO": 10.65,
      "P2O5": 0.06,
      "TiO2": 9.88,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 29.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.32,
      "Al2O3": 12.07,
      "B2O3": 6.47,
      "Na2O": 3.35,
      "K2O": 1.67,
      "MgO": 2.53,
      "CaO": 10.65,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "ZrO2": 6.58,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 29.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3021",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.72,
      "Al2O3": 14.73,
      "B2O3": 6.63,
      "Na2O": 5.99,
      "K2O": 2.52,
      "MgO": 3.31,
      "CaO": 8.47,
      "P2O5": 0.02,
      "TiO2": 5.94,
      "ZrO2": 5.38,
      "Fe2O3": 0.9,
      "SnO2": 5.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3022",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.45,
      "Al2O3": 12.68,
      "B2O3": 1.24,
      "Na2O": 3.2,
      "K2O": 2.03,
      "MgO": 5.05,
      "CaO": 7.85,
      "P2O5": 0.04,
      "TiO2": 3.0,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.11,
      "Al2O3": 12.02,
      "B2O3": 1.18,
      "Na2O": 3.03,
      "K2O": 1.93,
      "MgO": 4.79,
      "CaO": 7.44,
      "P2O5": 0.04,
      "TiO2": 8.34,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3024",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.98,
      "Al2O3": 16.67,
      "Na2O": 4.65,
      "K2O": 2.35,
      "MgO": 10.2,
      "CaO": 12.63,
      "TiO2": 0.23,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3025",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.69,
      "Al2O3": 8.42,
      "Na2O": 1.45,
      "K2O": 4.31,
      "MgO": 5.81,
      "CaO": 14.07,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3026",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.28,
      "Al2O3": 22.5,
      "Na2O": 0.72,
      "K2O": 2.4,
      "MgO": 0.08,
      "CaO": 0.18,
      "P2O5": 0.11,
      "TiO2": 0.27,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3028",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.22,
      "Al2O3": 10.58,
      "B2O3": 5.71,
      "Na2O": 3.94,
      "K2O": 1.03,
      "MgO": 0.95,
      "CaO": 8.5,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.37,
      "CoO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3029",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.25,
      "Al2O3": 12.01,
      "B2O3": 8.7,
      "Na2O": 4.17,
      "K2O": 3.21,
      "MgO": 3.84,
      "CaO": 3.83,
      "P2O5": 0.17,
      "TiO2": 0.84,
      "Fe2O3": 5.46,
      "CoO": 1.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 65.0
      },
      {
        "material": "borax",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3030",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.49,
      "Al2O3": 7.29,
      "B2O3": 6.08,
      "Na2O": 5.08,
      "K2O": 3.12,
      "MgO": 5.19,
      "CaO": 7.41,
      "SrO": 0.03,
      "BaO": 1.71,
      "P2O5": 0.05,
      "TiO2": 0.24,
      "FeO": 0.02,
      "Fe2O3": 1.58,
      "CoO": 1.39,
      "ZnO": 1.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3031",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.78,
      "Al2O3": 17.46,
      "B2O3": 4.31,
      "Na2O": 2.14,
      "K2O": 0.62,
      "MgO": 4.71,
      "CaO": 10.92,
      "P2O5": 0.03,
      "TiO2": 0.46,
      "Fe2O3": 10.92,
      "CoO": 1.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "3032",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.46,
      "Al2O3": 14.69,
      "B2O3": 6.34,
      "Na2O": 2.88,
      "K2O": 0.2,
      "MgO": 3.45,
      "CaO": 10.23,
      "P2O5": 0.08,
      "TiO2": 0.22,
      "Fe2O3": 9.15,
      "CoO": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3033",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.75,
      "Al2O3": 3.34,
      "B2O3": 5.75,
      "Na2O": 4.17,
      "K2O": 0.87,
      "MgO": 4.91,
      "CaO": 17.02,
      "SrO": 0.03,
      "BaO": 1.61,
      "P2O5": 0.05,
      "TiO2": 4.93,
      "FeO": 0.02,
      "Fe2O3": 1.99,
      "CoO": 1.32,
      "ZnO": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.35,
      "Al2O3": 7.78,
      "B2O3": 4.54,
      "Na2O": 2.2,
      "K2O": 1.97,
      "MgO": 3.26,
      "CaO": 13.35,
      "P2O5": 3.33,
      "TiO2": 0.52,
      "Fe2O3": 9.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 46.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.4
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 11.1
      },
      {
        "material": "bone ash",
        "amount": 7.4
      },
      {
        "material": "whiting",
        "amount": 2.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "3035",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.45,
      "Al2O3": 10.64,
      "B2O3": 5.29,
      "Na2O": 4.86,
      "K2O": 2.67,
      "MgO": 3.76,
      "CaO": 3.74,
      "SrO": 0.03,
      "BaO": 1.49,
      "P2O5": 2.44,
      "TiO2": 0.6,
      "FeO": 0.02,
      "Fe2O3": 9.87,
      "ZnO": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 56.6
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 9.4
      },
      {
        "material": "talc",
        "amount": 9.4
      },
      {
        "material": "bone ash",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 101.1
      },
      {
        "material": "red iron oxide",
        "amount": 6.6
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "3036",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.31,
      "Al2O3": 0.22,
      "B2O3": 12.59,
      "Na2O": 8.97,
      "MgO": 3.98,
      "CaO": 1.14,
      "SrO": 0.07,
      "BaO": 3.54,
      "TiO2": 0.01,
      "FeO": 0.05,
      "Fe2O3": 17.39,
      "ZnO": 2.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "3038",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.45,
      "Al2O3": 13.66,
      "B2O3": 6.4,
      "Na2O": 3.31,
      "K2O": 1.62,
      "MgO": 2.26,
      "CaO": 9.56,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 9.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "g-200 feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3040",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.05,
      "Al2O3": 13.8,
      "B2O3": 1.6,
      "Li2O": 1.93,
      "Na2O": 0.87,
      "K2O": 0.24,
      "MgO": 5.38,
      "CaO": 8.8,
      "TiO2": 0.24,
      "Fe2O3": 2.1,
      "SnO2": 5.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 23.3
      },
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 111.06
      }
    ]
  },
  {
    "id": "3041",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.42,
      "Al2O3": 11.32,
      "B2O3": 1.57,
      "Li2O": 1.89,
      "Na2O": 0.85,
      "K2O": 1.0,
      "MgO": 5.59,
      "CaO": 8.64,
      "P2O5": 0.05,
      "TiO2": 0.26,
      "Fe2O3": 3.49,
      "SnO2": 4.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "redart",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 111.06
      }
    ]
  },
  {
    "id": "3042",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.99,
      "Al2O3": 14.05,
      "B2O3": 1.67,
      "Li2O": 0.84,
      "Na2O": 1.45,
      "K2O": 2.44,
      "MgO": 5.27,
      "CaO": 8.85,
      "TiO2": 0.28,
      "Fe2O3": 2.09,
      "SnO2": 5.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 22.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 22.5
      },
      {
        "material": "g-200 feldspar",
        "amount": 19.5
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 109.16
      }
    ]
  },
  {
    "id": "3045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.89,
      "Al2O3": 11.3,
      "Na2O": 1.45,
      "K2O": 4.78,
      "MgO": 0.04,
      "CaO": 4.25,
      "SrO": 25.45,
      "TiO2": 0.13,
      "Fe2O3": 2.35,
      "ZnO": 10.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.91
      },
      {
        "material": "strontium carbonate",
        "amount": 31.82
      },
      {
        "material": "ball clay",
        "amount": 11.82
      },
      {
        "material": "zinc oxide",
        "amount": 9.09
      },
      {
        "material": "whiting",
        "amount": 6.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3047",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.81,
      "Al2O3": 20.19,
      "Na2O": 4.48,
      "K2O": 2.16,
      "MgO": 0.07,
      "CaO": 10.6,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 2.42,
      "ZnO": 12.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3048",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.17,
      "Al2O3": 18.26,
      "Na2O": 4.5,
      "K2O": 2.18,
      "MgO": 0.07,
      "CaO": 10.63,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 9.86,
      "ZnO": 12.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.06,
      "Al2O3": 15.57,
      "B2O3": 7.01,
      "Na2O": 6.33,
      "K2O": 2.67,
      "MgO": 3.5,
      "CaO": 8.95,
      "P2O5": 0.03,
      "TiO2": 0.14,
      "ZrO2": 5.69,
      "Fe2O3": 1.35,
      "SnO2": 5.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.66,
      "Al2O3": 10.91,
      "B2O3": 6.26,
      "Na2O": 6.1,
      "K2O": 1.32,
      "MgO": 5.09,
      "CaO": 7.96,
      "SrO": 0.03,
      "BaO": 1.76,
      "TiO2": 0.28,
      "FeO": 0.03,
      "Fe2O3": 0.26,
      "ZnO": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3051",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 36.7,
      "Al2O3": 8.82,
      "B2O3": 5.69,
      "Li2O": 4.33,
      "Na2O": 0.87,
      "K2O": 0.16,
      "MgO": 0.77,
      "CaO": 16.08,
      "P2O5": 0.08,
      "TiO2": 19.56,
      "Fe2O3": 6.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 23.2
      },
      {
        "material": "gerstley borate",
        "amount": 21.4
      },
      {
        "material": "whiting",
        "amount": 21.4
      },
      {
        "material": "lithium carbonate",
        "amount": 10.7
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "titanium dioxide",
        "amount": 19.6
      },
      {
        "material": "red iron oxide",
        "amount": 7.1
      },
      {
        "material": "total",
        "amount": 126.6
      }
    ]
  },
  {
    "id": "3052",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.03,
      "Al2O3": 19.93,
      "Na2O": 4.91,
      "K2O": 2.38,
      "MgO": 0.07,
      "CaO": 11.6,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "CoO": 1.4,
      "ZnO": 13.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3053",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.34,
      "Al2O3": 19.64,
      "Na2O": 4.84,
      "K2O": 2.34,
      "MgO": 0.07,
      "CaO": 11.43,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Cr2O3": 2.19,
      "Fe2O3": 0.22,
      "CoO": 0.69,
      "ZnO": 13.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.34,
      "Al2O3": 20.07,
      "Na2O": 4.94,
      "K2O": 2.39,
      "MgO": 0.07,
      "CaO": 11.68,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CuO": 0.72,
      "ZnO": 13.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3055",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.84,
      "Al2O3": 15.55,
      "B2O3": 6.37,
      "Na2O": 3.29,
      "K2O": 1.61,
      "MgO": 2.25,
      "CaO": 9.54,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "g-200 feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "3056",
    "chemical_composition": {
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      "B2O3": 6.99,
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      "K2O": 1.77,
      "MgO": 2.47,
      "CaO": 10.44,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
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      {
        "material": "ferro frit 3134",
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      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
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    ]
  },
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      "CaO": 10.4,
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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      "CaO": 10.36,
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      "TiO2": 0.12,
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      "SnO2": 1.06,
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    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
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      {
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      {
        "material": "g-200 feldspar",
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      {
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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      "TiO2": 0.11,
      "Fe2O3": 0.22,
      "SnO2": 9.78,
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    },
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      {
        "material": "ep kaolin",
        "amount": 28.6
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      {
        "material": "ferro frit 3134",
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      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "3060",
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      "ZrO2": 6.57,
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      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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      "TiO2": 9.88,
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    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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      "TiO2": 2.95,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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      "TiO2": 4.74,
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    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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      "TiO2": 3.75,
      "Fe2O3": 2.56,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
      },
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        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
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    ]
  },
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    "id": "3066",
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      "Fe2O3": 3.2,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "3067",
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      "CaO": 9.95,
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      "Fe2O3": 1.36,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
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      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      {
        "material": "silica",
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "3068",
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      "CaO": 9.84,
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      "Fe2O3": 5.03,
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    },
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        "material": "ep kaolin",
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      },
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        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "talc",
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      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "3069",
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      "K2O": 1.61,
      "MgO": 2.25,
      "CaO": 9.54,
      "P2O5": 0.07,
      "TiO2": 5.01,
      "Fe2O3": 4.88,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "g-200 feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
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      },
      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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    "id": "3070",
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      "K2O": 1.75,
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      "CaO": 10.33,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.24,
      "CuO": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
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      {
        "material": "talc",
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      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "3071",
    "chemical_composition": {
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      "B2O3": 6.78,
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      "K2O": 1.71,
      "MgO": 2.39,
      "CaO": 10.12,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.24,
      "CuO": 4.02,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "chemical_composition": {
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      "K2O": 1.69,
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      "CaO": 10.01,
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      "TiO2": 2.89,
      "Fe2O3": 0.54,
      "CuO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
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        "material": "ferro frit 3134",
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      },
      {
        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
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    ]
  },
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      "K2O": 1.7,
      "MgO": 2.37,
      "CaO": 10.03,
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      "TiO2": 0.11,
      "Fe2O3": 5.13,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
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      {
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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      "K2O": 1.73,
      "MgO": 2.41,
      "CaO": 10.21,
      "P2O5": 0.08,
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      "Fe2O3": 0.24,
      "NiO": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "g-200 feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3075",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.99,
      "Al2O3": 11.21,
      "B2O3": 1.36,
      "Na2O": 1.99,
      "K2O": 4.57,
      "MgO": 3.19,
      "CaO": 11.43,
      "TiO2": 0.11,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "victoria green stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3076",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.72,
      "Al2O3": 18.11,
      "Na2O": 1.39,
      "K2O": 2.22,
      "MgO": 2.47,
      "CaO": 27.44,
      "P2O5": 0.06,
      "TiO2": 0.19,
      "Fe2O3": 3.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3078",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.1,
      "Al2O3": 13.74,
      "Na2O": 2.43,
      "K2O": 8.08,
      "MgO": 1.52,
      "CaO": 2.38,
      "Fe2O3": 7.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 85.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.5
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "3079",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.87,
      "Al2O3": 25.66,
      "Li2O": 2.46,
      "Na2O": 5.67,
      "K2O": 2.16,
      "MgO": 0.13,
      "CaO": 0.38,
      "TiO2": 0.31,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.8
      },
      {
        "material": "ball clay",
        "amount": 29.1
      },
      {
        "material": "spodumene",
        "amount": 29.1
      },
      {
        "material": "soda ash",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "3080",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.95,
      "Al2O3": 20.27,
      "Na2O": 6.25,
      "K2O": 3.24,
      "MgO": 4.3,
      "CaO": 3.07,
      "TiO2": 0.36,
      "Fe2O3": 0.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3081",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 18.31,
      "Na2O": 5.65,
      "K2O": 2.93,
      "MgO": 3.88,
      "CaO": 2.77,
      "TiO2": 9.97,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3082",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.23,
      "Al2O3": 19.05,
      "Na2O": 5.87,
      "K2O": 3.05,
      "MgO": 4.04,
      "CaO": 2.88,
      "TiO2": 5.76,
      "Fe2O3": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3083",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.47,
      "Al2O3": 19.24,
      "Na2O": 5.93,
      "K2O": 3.08,
      "MgO": 4.08,
      "CaO": 2.91,
      "TiO2": 0.34,
      "ZrO2": 3.41,
      "Fe2O3": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3084",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.81,
      "Al2O3": 19.24,
      "Na2O": 5.93,
      "K2O": 3.08,
      "MgO": 4.08,
      "CaO": 2.91,
      "TiO2": 5.41,
      "Fe2O3": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3085",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 18.31,
      "Na2O": 5.65,
      "K2O": 2.93,
      "MgO": 3.88,
      "CaO": 2.77,
      "TiO2": 0.33,
      "Fe2O3": 0.51,
      "SnO2": 9.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3086",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.14,
      "Al2O3": 18.31,
      "Na2O": 5.65,
      "K2O": 2.93,
      "MgO": 3.88,
      "CaO": 2.77,
      "TiO2": 0.33,
      "ZrO2": 6.49,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3087",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.81,
      "Al2O3": 19.24,
      "Na2O": 5.93,
      "K2O": 3.08,
      "MgO": 4.08,
      "CaO": 2.91,
      "TiO2": 0.34,
      "Fe2O3": 0.53,
      "SnO2": 5.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3088",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.03,
      "Al2O3": 19.64,
      "Na2O": 6.06,
      "K2O": 3.14,
      "MgO": 4.16,
      "CaO": 2.97,
      "TiO2": 3.14,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3089",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.54,
      "Al2O3": 20.13,
      "Na2O": 6.21,
      "K2O": 3.22,
      "MgO": 4.27,
      "CaO": 3.05,
      "TiO2": 0.36,
      "Fe2O3": 0.56,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3090",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.73,
      "Al2O3": 19.87,
      "Na2O": 6.13,
      "K2O": 3.18,
      "MgO": 4.21,
      "CaO": 3.01,
      "TiO2": 0.35,
      "Fe2O3": 0.55,
      "CoO": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3091",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.89,
      "Al2O3": 19.92,
      "Na2O": 6.14,
      "K2O": 3.19,
      "MgO": 4.22,
      "CaO": 3.02,
      "TiO2": 0.35,
      "Fe2O3": 0.55,
      "CoO": 0.66,
      "SnO2": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3092",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.92,
      "Al2O3": 19.93,
      "Na2O": 6.15,
      "K2O": 3.19,
      "MgO": 4.22,
      "CaO": 3.02,
      "TiO2": 0.35,
      "Fe2O3": 1.55,
      "CoO": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3093",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.26,
      "Al2O3": 19.72,
      "Na2O": 6.08,
      "K2O": 3.15,
      "MgO": 4.18,
      "CaO": 2.99,
      "TiO2": 2.22,
      "Fe2O3": 0.75,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3094",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.73,
      "Al2O3": 19.54,
      "Na2O": 6.03,
      "K2O": 3.12,
      "MgO": 4.14,
      "CaO": 2.96,
      "TiO2": 0.35,
      "Fe2O3": 3.48,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3095",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.86,
      "Al2O3": 18.93,
      "Na2O": 5.84,
      "K2O": 3.03,
      "MgO": 4.01,
      "CaO": 2.87,
      "TiO2": 5.72,
      "Fe2O3": 1.12,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3096",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.24,
      "Al2O3": 18.07,
      "Na2O": 5.57,
      "K2O": 2.89,
      "MgO": 3.83,
      "CaO": 2.74,
      "TiO2": 5.46,
      "Fe2O3": 5.59,
      "CoO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3097",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.26,
      "Al2O3": 19.72,
      "Na2O": 6.08,
      "K2O": 3.15,
      "MgO": 4.18,
      "CaO": 2.99,
      "TiO2": 0.35,
      "Cr2O3": 2.08,
      "Fe2O3": 0.55,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "3098",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.74,
      "Al2O3": 19.22,
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      "MgO": 4.07,
      "CaO": 2.91,
      "TiO2": 4.44,
      "Fe2O3": 0.98,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.35,
      "Al2O3": 20.12,
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      "MgO": 4.06,
      "CaO": 2.91,
      "TiO2": 0.34,
      "Fe2O3": 1.64,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "3100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.92,
      "Al2O3": 18.95,
      "Na2O": 5.84,
      "K2O": 3.03,
      "MgO": 4.02,
      "CaO": 2.87,
      "TiO2": 3.93,
      "Fe2O3": 2.82,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.07,
      "Al2O3": 18.02,
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      "MgO": 3.82,
      "CaO": 2.73,
      "TiO2": 5.45,
      "Fe2O3": 6.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.96,
      "Al2O3": 19.29,
      "Na2O": 5.95,
      "K2O": 3.08,
      "MgO": 4.09,
      "CaO": 2.92,
      "TiO2": 0.34,
      "Fe2O3": 5.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3103",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.91,
      "Al2O3": 19.32,
      "Na2O": 5.66,
      "K2O": 2.94,
      "MgO": 3.89,
      "CaO": 2.79,
      "TiO2": 0.33,
      "Fe2O3": 6.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3104",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.11,
      "Al2O3": 18.36,
      "Na2O": 5.66,
      "K2O": 2.94,
      "MgO": 3.89,
      "CaO": 2.78,
      "TiO2": 5.16,
      "Fe2O3": 5.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.26,
      "Al2O3": 18.41,
      "Na2O": 5.68,
      "K2O": 2.94,
      "MgO": 3.9,
      "CaO": 2.79,
      "TiO2": 5.56,
      "MnO2": 3.37,
      "Fe2O3": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3106",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.13,
      "Al2O3": 18.36,
      "Na2O": 5.66,
      "K2O": 2.94,
      "MgO": 3.89,
      "CaO": 2.78,
      "TiO2": 5.55,
      "MnO2": 3.36,
      "Fe2O3": 1.08,
      "CoO": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 110.4
      }
    ]
  },
  {
    "id": "3107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.86,
      "Al2O3": 19.26,
      "Na2O": 5.94,
      "K2O": 3.08,
      "MgO": 4.08,
      "CaO": 2.92,
      "TiO2": 3.08,
      "Fe2O3": 0.83,
      "CuO": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3108",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.7,
      "Al2O3": 19.86,
      "Na2O": 6.12,
      "K2O": 3.18,
      "MgO": 4.21,
      "CaO": 3.01,
      "TiO2": 0.35,
      "Fe2O3": 0.55,
      "CuO": 2.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3109",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.46,
      "Al2O3": 17.82,
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      "K2O": 2.85,
      "MgO": 3.78,
      "CaO": 2.7,
      "TiO2": 1.16,
      "Fe2O3": 11.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "3110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.59,
      "Al2O3": 18.52,
      "Na2O": 5.71,
      "K2O": 2.96,
      "MgO": 3.92,
      "CaO": 2.8,
      "TiO2": 5.6,
      "Fe2O3": 1.09,
      "CoO": 0.92,
      "CuO": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "3111",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.03,
      "Al2O3": 17.35,
      "Na2O": 5.35,
      "K2O": 2.77,
      "MgO": 3.68,
      "CaO": 2.63,
      "TiO2": 1.68,
      "Fe2O3": 13.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 116.5
      }
    ]
  },
  {
    "id": "3112",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.58,
      "Al2O3": 18.84,
      "Na2O": 5.81,
      "K2O": 3.01,
      "MgO": 3.99,
      "CaO": 2.85,
      "TiO2": 5.69,
      "Fe2O3": 1.11,
      "CoO": 0.63,
      "CuO": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 107.75
      }
    ]
  },
  {
    "id": "3113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.74,
      "Al2O3": 18.24,
      "Na2O": 5.62,
      "K2O": 2.92,
      "MgO": 3.87,
      "CaO": 2.76,
      "TiO2": 0.32,
      "Fe2O3": 8.72,
      "CoO": 1.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 59.2
      },
      {
        "material": "kentucky stone",
        "amount": 26.3
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.72,
      "Al2O3": 19.12,
      "B2O3": 4.74,
      "Na2O": 2.23,
      "K2O": 0.46,
      "MgO": 3.84,
      "CaO": 10.18,
      "P2O5": 0.09,
      "TiO2": 0.25,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3115",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.37,
      "Al2O3": 16.41,
      "B2O3": 7.84,
      "Na2O": 3.56,
      "K2O": 0.22,
      "MgO": 3.84,
      "CaO": 12.05,
      "P2O5": 0.09,
      "TiO2": 0.25,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3117",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.48,
      "Al2O3": 18.72,
      "B2O3": 4.64,
      "Na2O": 2.18,
      "K2O": 0.45,
      "MgO": 3.76,
      "CaO": 9.97,
      "P2O5": 0.09,
      "TiO2": 0.24,
      "Fe2O3": 0.37,
      "CoO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3118",
    "chemical_composition": {
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      "SiO2": 57.24,
      "Al2O3": 18.64,
      "B2O3": 4.62,
      "Na2O": 2.17,
      "K2O": 0.44,
      "MgO": 3.74,
      "CaO": 9.92,
      "P2O5": 0.09,
      "TiO2": 0.24,
      "Fe2O3": 0.37,
      "CoO": 1.41,
      "SnO2": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "cobalt carbonate",
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      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
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      "MgO": 3.81,
      "CaO": 10.11,
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "cobalt carbonate",
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        "material": "total",
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      {
        "material": "chrome oxide",
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        "material": "cobalt carbonate",
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      {
        "material": "total",
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      {
        "material": "total base recipe",
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        "material": "cobalt carbonate",
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        "material": "red iron oxide",
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      {
        "material": "total",
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      {
        "material": "yellow ochre",
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      {
        "material": "cobalt carbonate",
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      },
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        "material": "total",
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        "material": "red iron oxide",
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      {
        "material": "cobalt carbonate",
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        "material": "red iron oxide",
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      {
        "material": "titanium dioxide",
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        "material": "total",
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        "material": "red iron oxide",
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        "material": "rutile",
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        "material": "red iron oxide",
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      {
        "material": "cobalt carbonate",
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        "material": "copper carbonate",
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        "material": "total",
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        "material": "manganese dioxide",
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      {
        "material": "total",
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      "TiO2": 5.79,
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        "material": "manganese dioxide",
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      {
        "material": "cobalt carbonate",
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      },
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      "TiO2": 5.68,
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      {
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        "material": "total",
        "amount": 112.0
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        "material": "total base recipe",
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        "material": "total",
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        "material": "total base recipe",
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        "material": "zircopax",
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        "material": "total",
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        "material": "total base recipe",
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        "material": "tin oxide",
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      {
        "material": "total",
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        "material": "total base recipe",
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      {
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        "amount": 110.0
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        "material": "ferro frit 3124",
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      {
        "material": "total base recipe",
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      {
        "material": "copper carbonate",
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      {
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        "amount": 103.0
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      "Na2O": 2.14,
      "K2O": 0.44,
      "MgO": 3.67,
      "CaO": 9.75,
      "P2O5": 0.09,
      "TiO2": 0.24,
      "Fe2O3": 0.36,
      "CuO": 4.24,
      "LOI": 0.0
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        "material": "ep kaolin",
        "amount": 30.0
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      {
        "material": "ferro frit 3124",
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      {
        "material": "dolomite",
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      {
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      {
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 106.0
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    ]
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      {
        "material": "total base recipe",
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      {
        "material": "copper carbonate",
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      {
        "material": "rutile",
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      {
        "material": "total",
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      {
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
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        "material": "titanium dioxide",
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      {
        "material": "total",
        "amount": 110.0
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      {
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
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      {
        "material": "zircopax",
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      {
        "material": "total",
        "amount": 105.0
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      "CaO": 9.16,
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      "TiO2": 5.38,
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        "material": "ep kaolin",
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      {
        "material": "ferro frit 3124",
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      {
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      {
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      {
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      {
        "material": "total base recipe",
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      {
        "material": "red iron oxide",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "total",
        "amount": 110.0
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    ]
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      "SiO2": 55.69,
      "Al2O3": 18.14,
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      "TiO2": 0.23,
      "Fe2O3": 5.52,
      "LOI": 0.0
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        "material": "ep kaolin",
        "amount": 30.0
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        "material": "ferro frit 3124",
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      {
        "material": "dolomite",
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      {
        "material": "silica",
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
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      {
        "material": "red iron oxide",
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      },
      {
        "material": "total",
        "amount": 105.0
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    ]
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      "MgO": 3.46,
      "CaO": 9.18,
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      "TiO2": 0.22,
      "Fe2O3": 10.16,
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    "ingredients": [
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        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3124",
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      {
        "material": "dolomite",
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      {
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "total",
        "amount": 110.0
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    ]
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      "CaO": 9.17,
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      "TiO2": 0.22,
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        "material": "ep kaolin",
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      {
        "material": "ferro frit 3124",
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      {
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "yellow ochre",
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      },
      {
        "material": "total",
        "amount": 110.0
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    ]
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    "id": "3150",
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      "SiO2": 56.77,
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      "MgO": 3.71,
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      "TiO2": 3.23,
      "Fe2O3": 0.7,
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      {
        "material": "silica",
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      },
      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "rutile",
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      },
      {
        "material": "total",
        "amount": 103.0
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        "material": "ep kaolin",
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      },
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        "material": "ferro frit 3124",
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      {
        "material": "silica",
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
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        "material": "total",
        "amount": 111.0
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      "Fe2O3": 1.18,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 71.6
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      {
        "material": "dolomite",
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
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      {
        "material": "bentonite",
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      },
      {
        "material": "red iron oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 123.0
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      "CaO": 6.72,
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      "ZrO2": 7.44,
      "Fe2O3": 0.2,
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        "material": "g-200 feldspar",
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      },
      {
        "material": "gerstley borate",
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      },
      {
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      },
      {
        "material": "zircopax",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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      "P2O5": 0.88,
      "Fe2O3": 0.15,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
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      {
        "material": "silica",
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      {
        "material": "whiting",
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      {
        "material": "bone ash",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 102.0
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    ]
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      "Al2O3": 10.68,
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      "TiO2": 1.91,
      "Fe2O3": 8.02,
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      "LOI": 0.0
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        "material": "custer feldspar",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3110",
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      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "wollastonite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "cobalt oxide",
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      },
      {
        "material": "titanium dioxide",
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      },
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        "material": "total",
        "amount": 113.0
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    ]
  },
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      "Al2O3": 13.24,
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      "K2O": 2.59,
      "MgO": 1.04,
      "CaO": 5.13,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 7.08,
      "CoO": 1.16,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nc-4 feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "dolomite",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3110",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
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    ]
  },
  {
    "id": "3158",
    "chemical_composition": {
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      "SiO2": 59.15,
      "Al2O3": 8.32,
      "B2O3": 8.66,
      "Na2O": 2.3,
      "K2O": 3.64,
      "MgO": 1.15,
      "CaO": 6.53,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "ZrO2": 7.24,
      "Fe2O3": 0.2,
      "CoO": 2.71,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "g-200 feldspar",
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      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "silica",
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      },
      {
        "material": "zircopax",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3159",
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      "Al2O3": 8.32,
      "B2O3": 8.65,
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      "K2O": 3.64,
      "MgO": 1.15,
      "CaO": 6.53,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "ZrO2": 7.23,
      "Fe2O3": 0.2,
      "CuO": 2.77,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
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      {
        "material": "silica",
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      {
        "material": "zircopax",
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      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "3160",
    "chemical_composition": {
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      "Na2O": 2.14,
      "K2O": 3.39,
      "MgO": 1.07,
      "CaO": 6.08,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 6.73,
      "Fe2O3": 9.7,
      "LOI": 0.0
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    "ingredients": [
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        "material": "g-200 feldspar",
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      },
      {
        "material": "gerstley borate",
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      {
        "material": "silica",
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      {
        "material": "zircopax",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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      "Na2O": 3.91,
      "K2O": 3.21,
      "MgO": 0.02,
      "CaO": 6.0,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.61,
      "Fe2O3": 0.06,
      "CoO": 2.48,
      "LOI": 0.0
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    "ingredients": [
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        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
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      {
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "total",
        "amount": 104.0
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    ]
  },
  {
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    "chemical_composition": {
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      "SiO2": 63.04,
      "Al2O3": 7.89,
      "B2O3": 6.72,
      "Na2O": 3.91,
      "K2O": 3.21,
      "MgO": 0.02,
      "CaO": 5.99,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.6,
      "Fe2O3": 0.06,
      "CuO": 2.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.02,
      "Al2O3": 7.39,
      "B2O3": 6.29,
      "Na2O": 3.66,
      "K2O": 3.0,
      "MgO": 0.02,
      "CaO": 5.61,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.18,
      "Fe2O3": 8.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.76,
      "Al2O3": 7.64,
      "B2O3": 8.32,
      "Na2O": 6.87,
      "K2O": 3.29,
      "MgO": 0.02,
      "CaO": 1.0,
      "SrO": 0.05,
      "BaO": 2.34,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.78,
      "FeO": 0.03,
      "Fe2O3": 0.06,
      "ZnO": 1.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3166",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.23,
      "Al2O3": 7.45,
      "B2O3": 8.11,
      "Na2O": 6.7,
      "K2O": 3.21,
      "MgO": 0.02,
      "CaO": 0.98,
      "SrO": 0.04,
      "BaO": 2.28,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.61,
      "FeO": 0.03,
      "Fe2O3": 0.06,
      "CoO": 2.48,
      "ZnO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3167",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.2,
      "Al2O3": 7.44,
      "B2O3": 8.11,
      "Na2O": 6.7,
      "K2O": 3.21,
      "MgO": 0.02,
      "CaO": 0.98,
      "SrO": 0.04,
      "BaO": 2.28,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.6,
      "FeO": 0.03,
      "Fe2O3": 0.06,
      "CuO": 2.53,
      "ZnO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3168",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.36,
      "Al2O3": 6.97,
      "B2O3": 7.59,
      "Na2O": 6.27,
      "K2O": 3.0,
      "MgO": 0.02,
      "CaO": 0.92,
      "SrO": 0.04,
      "BaO": 2.13,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 6.18,
      "FeO": 0.03,
      "Fe2O3": 8.8,
      "ZnO": 1.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3169",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 32.44,
      "Al2O3": 7.43,
      "B2O3": 8.34,
      "Li2O": 7.72,
      "Na2O": 4.92,
      "K2O": 1.45,
      "MgO": 25.65,
      "CaO": 5.58,
      "P2O5": 0.03,
      "TiO2": 5.67,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "magnesium carbonaat (ker_ch121)",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite (ker_ch124)",
        "amount": 20.0
      },
      {
        "material": "lithium carbonaat (ker_ch118)",
        "amount": 15.0
      },
      {
        "material": "fritte borax m1 - keramikos, haarlem",
        "amount": 10.0
      },
      {
        "material": "silicium / kwarts (ker_ch117)",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "rutiel (ker_ch128",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3170",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.99,
      "Al2O3": 14.66,
      "B2O3": 1.45,
      "Li2O": 1.4,
      "Na2O": 1.63,
      "K2O": 5.03,
      "MgO": 4.05,
      "CaO": 10.31,
      "P2O5": 3.24,
      "TiO2": 0.28,
      "Fe2O3": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 7.0
      },
      {
        "material": "spodumene",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 94.0
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3171",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.78,
      "Al2O3": 13.86,
      "B2O3": 1.32,
      "Li2O": 1.2,
      "Na2O": 1.6,
      "K2O": 4.96,
      "MgO": 4.53,
      "CaO": 10.89,
      "P2O5": 3.01,
      "TiO2": 0.12,
      "Fe2O3": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.1
      },
      {
        "material": "dolomite",
        "amount": 19.9
      },
      {
        "material": "spodumene",
        "amount": 15.5
      },
      {
        "material": "silica",
        "amount": 9.8
      },
      {
        "material": "bone ash",
        "amount": 7.3
      },
      {
        "material": "gerstley borate",
        "amount": 5.1
      },
      {
        "material": "ep kaolin",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 106.1
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 116.1
      }
    ]
  },
  {
    "id": "3173",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.72,
      "Al2O3": 13.61,
      "B2O3": 1.45,
      "Li2O": 1.32,
      "Na2O": 1.72,
      "K2O": 5.02,
      "MgO": 4.82,
      "CaO": 11.96,
      "P2O5": 3.29,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.1
      },
      {
        "material": "dolomite",
        "amount": 19.9
      },
      {
        "material": "spodumene",
        "amount": 15.5
      },
      {
        "material": "silica",
        "amount": 9.8
      },
      {
        "material": "bone ash",
        "amount": 7.3
      },
      {
        "material": "gerstley borate",
        "amount": 5.1
      },
      {
        "material": "ep kaolin",
        "amount": 1.4
      },
      {
        "material": "total",
        "amount": 106.1
      }
    ]
  },
  {
    "id": "3188",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.47,
      "Al2O3": 12.94,
      "B2O3": 5.61,
      "Na2O": 2.89,
      "K2O": 6.36,
      "MgO": 1.67,
      "CaO": 10.53,
      "P2O5": 0.02,
      "TiO2": 1.07,
      "Fe2O3": 2.09,
      "CoO": 0.33,
      "CuO": 2.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "3190",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.29,
      "Al2O3": 9.69,
      "Na2O": 1.31,
      "K2O": 4.21,
      "MgO": 0.05,
      "CaO": 8.28,
      "P2O5": 0.02,
      "TiO2": 5.52,
      "Fe2O3": 0.16,
      "ZnO": 12.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "yellow stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "3191",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.71,
      "Al2O3": 9.59,
      "Na2O": 1.3,
      "K2O": 4.16,
      "MgO": 0.05,
      "CaO": 8.2,
      "P2O5": 0.02,
      "TiO2": 5.46,
      "Cr2O3": 0.99,
      "Fe2O3": 0.16,
      "ZnO": 12.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3192",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.15,
      "Al2O3": 9.5,
      "Na2O": 1.29,
      "K2O": 4.12,
      "MgO": 0.05,
      "CaO": 8.12,
      "P2O5": 0.02,
      "TiO2": 5.41,
      "Fe2O3": 0.15,
      "NiO": 1.96,
      "ZnO": 12.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3193",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.56,
      "Al2O3": 9.57,
      "Na2O": 1.3,
      "K2O": 4.15,
      "MgO": 0.05,
      "CaO": 8.18,
      "P2O5": 0.02,
      "TiO2": 5.45,
      "Fe2O3": 0.15,
      "CoO": 1.24,
      "ZnO": 12.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3194",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.19,
      "Al2O3": 9.5,
      "Na2O": 1.29,
      "K2O": 4.13,
      "MgO": 0.05,
      "CaO": 8.13,
      "P2O5": 0.02,
      "TiO2": 5.41,
      "Fe2O3": 0.15,
      "CuO": 1.89,
      "ZnO": 12.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3195",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.98,
      "Al2O3": 8.97,
      "Na2O": 1.22,
      "K2O": 3.9,
      "MgO": 0.04,
      "CaO": 7.67,
      "P2O5": 0.01,
      "TiO2": 11.77,
      "Fe2O3": 0.88,
      "ZnO": 11.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "3196",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.16,
      "Al2O3": 9.33,
      "Na2O": 1.27,
      "K2O": 4.05,
      "MgO": 0.04,
      "CaO": 7.98,
      "P2O5": 0.01,
      "TiO2": 5.32,
      "Fe2O3": 3.81,
      "ZnO": 12.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3197",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.29,
      "Al2O3": 9.69,
      "Na2O": 1.31,
      "K2O": 4.21,
      "MgO": 0.05,
      "CaO": 8.28,
      "P2O5": 0.02,
      "TiO2": 5.52,
      "Fe2O3": 0.16,
      "ZnO": 12.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "3198",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.45,
      "Al2O3": 15.47,
      "Na2O": 2.02,
      "K2O": 6.75,
      "MgO": 2.77,
      "CaO": 8.73,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 1.08,
      "Fe2O3": 0.15,
      "ZnO": 6.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "3199",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.07,
      "Al2O3": 15.63,
      "Na2O": 2.04,
      "K2O": 6.83,
      "MgO": 2.8,
      "CaO": 8.83,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "ZnO": 6.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3200",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.85,
      "Al2O3": 15.3,
      "Na2O": 2.0,
      "K2O": 6.68,
      "MgO": 2.74,
      "CaO": 8.64,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "NiO": 2.14,
      "ZnO": 6.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3202",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.89,
      "Al2O3": 15.31,
      "Na2O": 2.0,
      "K2O": 6.69,
      "MgO": 2.75,
      "CaO": 8.64,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "CuO": 2.07,
      "ZnO": 6.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.48,
      "Al2O3": 14.38,
      "Na2O": 1.88,
      "K2O": 6.28,
      "MgO": 2.58,
      "CaO": 8.12,
      "P2O5": 0.03,
      "TiO2": 7.29,
      "Fe2O3": 0.94,
      "ZnO": 6.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3204",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.79,
      "Al2O3": 15.01,
      "Na2O": 1.96,
      "K2O": 6.55,
      "MgO": 2.69,
      "CaO": 8.47,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 4.14,
      "ZnO": 6.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3205",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.07,
      "Al2O3": 15.63,
      "Na2O": 2.04,
      "K2O": 6.83,
      "MgO": 2.8,
      "CaO": 8.83,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "ZnO": 6.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 13.87,
      "Na2O": 4.52,
      "K2O": 2.15,
      "MgO": 0.05,
      "CaO": 4.45,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "ZnO": 13.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.52,
      "Al2O3": 13.73,
      "Na2O": 4.48,
      "K2O": 2.13,
      "MgO": 0.05,
      "CaO": 4.41,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 1.04,
      "Fe2O3": 0.11,
      "ZnO": 13.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 13.59,
      "Na2O": 4.43,
      "K2O": 2.11,
      "MgO": 0.05,
      "CaO": 4.36,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "NiO": 2.05,
      "ZnO": 13.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3210",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.36,
      "Al2O3": 13.69,
      "Na2O": 4.46,
      "K2O": 2.12,
      "MgO": 0.05,
      "CaO": 4.39,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "CoO": 1.3,
      "ZnO": 13.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.95,
      "Al2O3": 13.6,
      "Na2O": 4.43,
      "K2O": 2.11,
      "MgO": 0.05,
      "CaO": 4.36,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "CuO": 1.98,
      "ZnO": 13.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.7,
      "Al2O3": 13.32,
      "Na2O": 4.34,
      "K2O": 2.06,
      "MgO": 0.05,
      "CaO": 4.27,
      "P2O5": 0.02,
      "TiO2": 3.65,
      "Fe2O3": 0.5,
      "ZnO": 13.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.82,
      "Al2O3": 13.34,
      "Na2O": 4.35,
      "K2O": 2.07,
      "MgO": 0.05,
      "CaO": 4.28,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 3.93,
      "ZnO": 13.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3214",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.75,
      "Al2O3": 16.07,
      "B2O3": 2.31,
      "Li2O": 3.85,
      "Na2O": 10.66,
      "K2O": 2.4,
      "MgO": 0.43,
      "CaO": 9.03,
      "SrO": 0.04,
      "P2O5": 0.03,
      "TiO2": 5.29,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.2
      },
      {
        "material": "silica",
        "amount": 9.6
      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "red stain",
        "amount": 8.0
      },
      {
        "material": "gillespie borate",
        "amount": 7.2
      },
      {
        "material": "lithium carbonate",
        "amount": 7.2
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.31,
      "Al2O3": 13.68,
      "B2O3": 2.43,
      "Na2O": 3.39,
      "K2O": 1.14,
      "MgO": 3.01,
      "CaO": 12.08,
      "P2O5": 4.24,
      "TiO2": 0.08,
      "Fe2O3": 9.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 21.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.8
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.34,
      "Al2O3": 13.41,
      "B2O3": 2.38,
      "Na2O": 3.33,
      "K2O": 1.12,
      "MgO": 2.95,
      "CaO": 11.85,
      "P2O5": 4.16,
      "TiO2": 1.82,
      "Fe2O3": 9.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 21.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.8
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "3217",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.9,
      "Al2O3": 14.44,
      "B2O3": 2.49,
      "Li2O": 0.89,
      "Na2O": 2.33,
      "K2O": 0.63,
      "MgO": 3.07,
      "CaO": 11.07,
      "P2O5": 3.39,
      "TiO2": 0.08,
      "Fe2O3": 9.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.6
      },
      {
        "material": "nepheline syenite",
        "amount": 11.8
      },
      {
        "material": "spodumene",
        "amount": 11.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 7.9
      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "total base recipe",
        "amount": 99.4
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.4
      }
    ]
  },
  {
    "id": "3218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.03,
      "Al2O3": 15.19,
      "B2O3": 2.19,
      "Li2O": 3.64,
      "Na2O": 10.07,
      "K2O": 2.27,
      "MgO": 0.41,
      "CaO": 8.54,
      "SrO": 0.04,
      "P2O5": 0.03,
      "TiO2": 5.0,
      "FeO": 1.55,
      "Fe2O3": 4.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.5
      },
      {
        "material": "silica",
        "amount": 9.92
      },
      {
        "material": "whiting",
        "amount": 9.09
      },
      {
        "material": "ep kaolin",
        "amount": 8.26
      },
      {
        "material": "soda ash",
        "amount": 8.26
      },
      {
        "material": "gillespie borate",
        "amount": 7.44
      },
      {
        "material": "lithium carbonate",
        "amount": 7.44
      },
      {
        "material": "black iron oxide",
        "amount": 4.96
      },
      {
        "material": "titanium dioxide",
        "amount": 4.13
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.82,
      "Al2O3": 14.4,
      "B2O3": 2.32,
      "Li2O": 3.48,
      "Na2O": 9.75,
      "K2O": 2.21,
      "MgO": 0.43,
      "CaO": 9.4,
      "SrO": 0.04,
      "P2O5": 0.02,
      "TiO2": 4.78,
      "FeO": 1.48,
      "Fe2O3": 3.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "gillespie borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "black iron oxide",
        "amount": 6.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "3220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.64,
      "Al2O3": 5.88,
      "B2O3": 7.1,
      "Na2O": 1.7,
      "K2O": 2.11,
      "MgO": 5.76,
      "CaO": 6.83,
      "SrO": 0.13,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 13.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gillespie borate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3221",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.01,
      "Al2O3": 12.07,
      "B2O3": 2.6,
      "Na2O": 1.73,
      "K2O": 4.64,
      "MgO": 0.45,
      "CaO": 2.8,
      "SrO": 0.05,
      "BaO": 16.47,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "CuO": 3.52,
      "ZnO": 10.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 38.1
      },
      {
        "material": "barium carbonate",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.6
      },
      {
        "material": "gillespie borate",
        "amount": 9.5
      },
      {
        "material": "silica",
        "amount": 9.5
      },
      {
        "material": "zinc oxide",
        "amount": 9.4
      },
      {
        "material": "copper carbonate",
        "amount": 4.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.46,
      "Al2O3": 16.51,
      "Na2O": 3.85,
      "K2O": 2.72,
      "MgO": 0.04,
      "CaO": 12.39,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "CuO": 4.14,
      "ZnO": 9.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3223",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.99,
      "Al2O3": 8.05,
      "B2O3": 6.0,
      "Na2O": 2.26,
      "K2O": 4.25,
      "MgO": 1.0,
      "CaO": 12.64,
      "SrO": 3.23,
      "Cr2O3": 1.11,
      "Fe2O3": 0.12,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gillespie borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "3224",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.32,
      "Al2O3": 10.69,
      "B2O3": 2.14,
      "Na2O": 1.55,
      "K2O": 2.1,
      "MgO": 3.47,
      "CaO": 11.09,
      "P2O5": 0.05,
      "TiO2": 5.15,
      "Fe2O3": 3.4,
      "CoO": 0.59,
      "CuO": 0.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 110.75
      }
    ]
  },
  {
    "id": "3225",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.62,
      "Al2O3": 5.93,
      "B2O3": 7.39,
      "Na2O": 1.77,
      "K2O": 1.93,
      "MgO": 5.43,
      "CaO": 7.03,
      "SrO": 0.14,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 13.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gillespie borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "custer feldspar",
        "amount": 16.9
      },
      {
        "material": "red iron oxide",
        "amount": 12.8
      },
      {
        "material": "talc",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3226",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.13,
      "Al2O3": 14.16,
      "B2O3": 6.51,
      "Na2O": 5.81,
      "K2O": 2.28,
      "MgO": 1.09,
      "CaO": 6.46,
      "SrO": 0.12,
      "P2O5": 0.02,
      "TiO2": 3.7,
      "Fe2O3": 2.44,
      "CoO": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 48.0
      },
      {
        "material": "gillespie borate",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.47,
      "Al2O3": 9.23,
      "B2O3": 5.8,
      "Na2O": 2.67,
      "K2O": 0.87,
      "MgO": 0.95,
      "CaO": 18.23,
      "SrO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.85,
      "Fe2O3": 0.11,
      "SnO2": 5.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gillespie borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 105.75
      }
    ]
  },
  {
    "id": "3228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.66,
      "Al2O3": 10.23,
      "B2O3": 3.44,
      "Na2O": 3.49,
      "K2O": 1.09,
      "MgO": 0.1,
      "CaO": 15.22,
      "TiO2": 0.23,
      "Cr2O3": 0.22,
      "Fe2O3": 0.23,
      "SnO2": 4.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.73,
      "Al2O3": 13.8,
      "Na2O": 3.7,
      "K2O": 2.35,
      "MgO": 0.04,
      "CaO": 7.2,
      "SrO": 11.82,
      "TiO2": 3.06,
      "Fe2O3": 0.47,
      "NiO": 1.6,
      "ZnO": 11.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 52.62
      },
      {
        "material": "strontium carbonate",
        "amount": 15.79
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.53
      },
      {
        "material": "whiting",
        "amount": 10.53
      },
      {
        "material": "zinc oxide",
        "amount": 10.53
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "3230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.14,
      "Al2O3": 8.88,
      "B2O3": 5.33,
      "Na2O": 3.71,
      "K2O": 2.43,
      "MgO": 0.85,
      "CaO": 5.72,
      "SrO": 0.09,
      "TiO2": 5.28,
      "Fe2O3": 1.62,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "gillespie borate",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "3231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.53,
      "Al2O3": 14.92,
      "Na2O": 1.61,
      "K2O": 5.37,
      "MgO": 0.02,
      "CaO": 10.68,
      "BaO": 3.82,
      "P2O5": 0.04,
      "TiO2": 4.49,
      "Fe2O3": 0.66,
      "ZnO": 8.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 54.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "3232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.3,
      "Al2O3": 13.67,
      "B2O3": 3.15,
      "Na2O": 2.3,
      "K2O": 6.05,
      "MgO": 0.51,
      "CaO": 7.98,
      "SrO": 0.06,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 10.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.9
      },
      {
        "material": "gillespie borate",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.7
      },
      {
        "material": "silica",
        "amount": 8.7
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "3233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.05,
      "Al2O3": 6.92,
      "B2O3": 7.1,
      "Na2O": 3.23,
      "K2O": 0.23,
      "MgO": 2.82,
      "CaO": 6.14,
      "TiO2": 0.41,
      "Fe2O3": 13.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 34.5
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "talc",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "titanium dioxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 115.15
      }
    ]
  },
  {
    "id": "3234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.28,
      "Al2O3": 7.76,
      "B2O3": 12.31,
      "Na2O": 4.49,
      "K2O": 0.15,
      "MgO": 0.06,
      "CaO": 8.69,
      "TiO2": 0.27,
      "Fe2O3": 10.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 33.5
      },
      {
        "material": "ferro frit 3195",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "rutile",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "3235",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.79,
      "Al2O3": 13.16,
      "B2O3": 4.84,
      "Na2O": 1.6,
      "K2O": 0.26,
      "MgO": 0.03,
      "CaO": 15.08,
      "P2O5": 0.07,
      "TiO2": 5.12,
      "Fe2O3": 6.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.68,
      "Al2O3": 11.28,
      "Na2O": 3.29,
      "K2O": 1.57,
      "MgO": 0.04,
      "CaO": 6.09,
      "P2O5": 0.02,
      "TiO2": 5.06,
      "Fe2O3": 0.66,
      "CuO": 2.99,
      "ZnO": 9.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3237",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.32,
      "Al2O3": 11.91,
      "Li2O": 1.66,
      "Na2O": 4.1,
      "K2O": 2.56,
      "MgO": 1.61,
      "CaO": 8.2,
      "Fe2O3": 0.11,
      "ZnO": 4.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "whiting",
        "amount": 8.2
      },
      {
        "material": "dolomite",
        "amount": 6.5
      },
      {
        "material": "zinc oxide",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 3.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red stain",
        "amount": 6.0
      },
      {
        "material": "yellow stain",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3238",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.84,
      "Al2O3": 8.22,
      "Li2O": 1.69,
      "Na2O": 2.8,
      "K2O": 1.75,
      "MgO": 1.67,
      "CaO": 10.33,
      "Fe2O3": 0.1,
      "ZnO": 4.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 37.3
      },
      {
        "material": "silica",
        "amount": 34.5
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "dolomite",
        "amount": 6.6
      },
      {
        "material": "zinc oxide",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 3.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.57,
      "Al2O3": 13.95,
      "B2O3": 3.62,
      "Na2O": 5.06,
      "K2O": 3.08,
      "MgO": 0.41,
      "CaO": 9.09,
      "TiO2": 0.01,
      "Fe2O3": 0.17,
      "CuO": 3.04,
      "SnO2": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "laguna borate",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "custer feldspar",
        "amount": 9.0
      },
      {
        "material": "kaolin",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3240",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.29,
      "Al2O3": 11.96,
      "Na2O": 1.4,
      "K2O": 1.86,
      "MgO": 1.04,
      "CaO": 8.51,
      "P2O5": 0.04,
      "TiO2": 0.12,
      "Fe2O3": 8.78,
      "ZnO": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 11.3
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3241",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.14,
      "Al2O3": 12.18,
      "Na2O": 1.41,
      "K2O": 4.7,
      "MgO": 0.01,
      "CaO": 7.72,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 7.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.76
      },
      {
        "material": "total",
        "amount": 104.76
      }
    ]
  },
  {
    "id": "3242",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.81,
      "Al2O3": 11.15,
      "B2O3": 1.87,
      "Na2O": 1.88,
      "K2O": 5.48,
      "MgO": 1.61,
      "CaO": 8.55,
      "P2O5": 0.01,
      "TiO2": 3.42,
      "Fe2O3": 0.14,
      "CuO": 0.69,
      "ZnO": 4.17,
      "SnO2": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 96.19
      }
    ]
  },
  {
    "id": "3243",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.8,
      "Al2O3": 11.15,
      "B2O3": 1.87,
      "Na2O": 1.88,
      "K2O": 5.48,
      "MgO": 1.61,
      "CaO": 8.55,
      "P2O5": 0.01,
      "TiO2": 3.42,
      "Fe2O3": 0.14,
      "CoO": 0.72,
      "ZnO": 4.17,
      "SnO2": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 96.24
      }
    ]
  },
  {
    "id": "3244",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.13,
      "Al2O3": 12.57,
      "B2O3": 0.7,
      "Na2O": 1.8,
      "K2O": 5.95,
      "MgO": 0.09,
      "CaO": 8.26,
      "P2O5": 0.02,
      "TiO2": 2.76,
      "FeO": 0.79,
      "Fe2O3": 2.4,
      "ZnO": 2.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 53.7
      },
      {
        "material": "silica",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "laguna borate",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.82,
      "Al2O3": 20.58,
      "Na2O": 1.96,
      "K2O": 2.63,
      "MgO": 5.27,
      "CaO": 11.59,
      "P2O5": 0.08,
      "TiO2": 0.2,
      "Fe2O3": 0.34,
      "CoO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "3246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.98,
      "Al2O3": 17.31,
      "Na2O": 2.24,
      "K2O": 5.9,
      "MgO": 0.05,
      "CaO": 12.66,
      "P2O5": 0.04,
      "TiO2": 2.02,
      "Fe2O3": 2.46,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "cornwall stone",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "3247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.03,
      "Al2O3": 16.15,
      "Na2O": 3.02,
      "K2O": 8.86,
      "MgO": 0.06,
      "CaO": 5.8,
      "TiO2": 2.7,
      "Fe2O3": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "k-200 feldspar",
        "amount": 87.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3248",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.9,
      "Al2O3": 11.83,
      "Na2O": 1.4,
      "K2O": 4.78,
      "MgO": 0.09,
      "CaO": 10.71,
      "TiO2": 3.83,
      "Fe2O3": 3.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 38.9
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.7
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 92.6
      },
      {
        "material": "rutile",
        "amount": 3.7
      },
      {
        "material": "red iron oxide",
        "amount": 2.7
      },
      {
        "material": "bentonite",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "3250",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.4,
      "Al2O3": 12.73,
      "Na2O": 1.78,
      "K2O": 6.2,
      "MgO": 0.04,
      "CaO": 6.9,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 1.94,
      "CuO": 1.25,
      "ZnO": 5.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 58.8
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.9
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.9
      }
    ]
  },
  {
    "id": "3251",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.16,
      "Al2O3": 18.13,
      "K2O": 12.47,
      "MgO": 3.28,
      "CaO": 12.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 64.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3252",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.68,
      "Al2O3": 15.14,
      "Na2O": 0.92,
      "K2O": 3.08,
      "MgO": 3.52,
      "CaO": 6.29,
      "P2O5": 0.07,
      "TiO2": 4.59,
      "Fe2O3": 0.73,
      "ZnO": 4.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3253",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.25,
      "Al2O3": 15.1,
      "Na2O": 1.83,
      "K2O": 4.68,
      "MgO": 0.07,
      "CaO": 12.16,
      "P2O5": 0.02,
      "TiO2": 4.56,
      "Fe2O3": 7.68,
      "ZnO": 3.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.1
      },
      {
        "material": "cornwall stone",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 79.1
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 92.1
      }
    ]
  },
  {
    "id": "3254",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.6,
      "Al2O3": 12.16,
      "Na2O": 1.02,
      "K2O": 3.42,
      "MgO": 3.73,
      "CaO": 12.11,
      "P2O5": 0.04,
      "TiO2": 7.9,
      "Fe2O3": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.7
      },
      {
        "material": "whiting",
        "amount": 18.9
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.3
      },
      {
        "material": "talc",
        "amount": 10.3
      },
      {
        "material": "total base recipe",
        "amount": 92.2
      },
      {
        "material": "rutile",
        "amount": 7.7
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "3255",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.8,
      "Al2O3": 20.26,
      "Na2O": 0.88,
      "K2O": 2.95,
      "MgO": 7.92,
      "CaO": 20.34,
      "Fe2O3": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 29.7
      },
      {
        "material": "dolomite",
        "amount": 28.3
      },
      {
        "material": "custer feldspar",
        "amount": 23.1
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "3256",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.19,
      "Al2O3": 15.59,
      "Na2O": 2.39,
      "K2O": 3.3,
      "MgO": 0.13,
      "CaO": 7.1,
      "TiO2": 0.11,
      "Fe2O3": 0.21,
      "CuO": 2.66,
      "ZnO": 10.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 70.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3257",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.05,
      "Al2O3": 9.31,
      "Na2O": 1.03,
      "K2O": 3.38,
      "MgO": 0.05,
      "CaO": 12.36,
      "TiO2": 0.15,
      "Fe2O3": 0.19,
      "CuO": 5.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.7
      },
      {
        "material": "custer feldspar",
        "amount": 30.5
      },
      {
        "material": "whiting",
        "amount": 20.5
      },
      {
        "material": "ball clay",
        "amount": 14.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3258",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.04,
      "Al2O3": 12.01,
      "Na2O": 1.47,
      "K2O": 4.91,
      "CaO": 11.67,
      "TiO2": 6.16,
      "Fe2O3": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 91.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
  {
    "id": "3259",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.93,
      "Al2O3": 10.32,
      "B2O3": 3.49,
      "Na2O": 0.53,
      "K2O": 7.58,
      "MgO": 7.0,
      "CaO": 4.68,
      "TiO2": 0.07,
      "Fe2O3": 0.07,
      "CoO": 1.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "laguna borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.41,
      "Al2O3": 10.95,
      "B2O3": 0.6,
      "Na2O": 0.91,
      "K2O": 2.76,
      "MgO": 0.05,
      "CaO": 15.18,
      "TiO2": 0.0,
      "Fe2O3": 0.03,
      "CoO": 0.34,
      "CuO": 1.4,
      "ZnO": 2.18,
      "SnO2": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "kaolin",
        "amount": 14.0
      },
      {
        "material": "laguna borate",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "3261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.69,
      "Al2O3": 18.93,
      "Na2O": 3.67,
      "K2O": 2.22,
      "MgO": 4.79,
      "CaO": 9.95,
      "Fe2O3": 0.04,
      "CoO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 47.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3262",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.22,
      "Al2O3": 11.72,
      "Na2O": 1.31,
      "K2O": 4.19,
      "MgO": 0.01,
      "CaO": 12.47,
      "TiO2": 0.0,
      "Fe2O3": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.5,
      "Al2O3": 11.6,
      "Na2O": 1.3,
      "K2O": 4.15,
      "MgO": 0.01,
      "CaO": 12.34,
      "TiO2": 0.0,
      "Fe2O3": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3264",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.8,
      "Al2O3": 11.48,
      "Na2O": 1.29,
      "K2O": 4.1,
      "MgO": 0.01,
      "CaO": 12.22,
      "TiO2": 0.0,
      "Fe2O3": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.11,
      "Al2O3": 11.36,
      "Na2O": 1.27,
      "K2O": 4.06,
      "MgO": 0.01,
      "CaO": 12.09,
      "TiO2": 0.0,
      "Fe2O3": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3266",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.44,
      "Al2O3": 11.25,
      "Na2O": 1.26,
      "K2O": 4.02,
      "MgO": 0.01,
      "CaO": 11.97,
      "TiO2": 0.0,
      "Fe2O3": 5.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3267",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.78,
      "Al2O3": 11.14,
      "Na2O": 1.25,
      "K2O": 3.98,
      "MgO": 0.01,
      "CaO": 11.85,
      "TiO2": 0.0,
      "Fe2O3": 5.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3268",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.13,
      "Al2O3": 11.03,
      "Na2O": 1.24,
      "K2O": 3.94,
      "MgO": 0.01,
      "CaO": 11.74,
      "TiO2": 0.0,
      "Fe2O3": 6.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3269",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.49,
      "Al2O3": 10.92,
      "Na2O": 1.22,
      "K2O": 3.9,
      "MgO": 0.01,
      "CaO": 11.62,
      "TiO2": 0.0,
      "Fe2O3": 7.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.87,
      "Al2O3": 10.81,
      "Na2O": 1.21,
      "K2O": 3.87,
      "MgO": 0.01,
      "CaO": 11.51,
      "TiO2": 0.0,
      "Fe2O3": 8.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3271",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.26,
      "Al2O3": 10.71,
      "Na2O": 1.2,
      "K2O": 3.83,
      "MgO": 0.01,
      "CaO": 11.4,
      "TiO2": 0.0,
      "Fe2O3": 9.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.48,
      "Al2O3": 18.83,
      "Na2O": 1.68,
      "K2O": 5.59,
      "MgO": 4.85,
      "CaO": 6.92,
      "Fe2O3": 0.06,
      "CoO": 0.17,
      "SnO2": 8.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.0
      },
      {
        "material": "kaolin",
        "amount": 22.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 108.25
      }
    ]
  },
  {
    "id": "3283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.12,
      "Al2O3": 16.78,
      "Na2O": 4.28,
      "K2O": 2.01,
      "MgO": 3.52,
      "CaO": 9.52,
      "Fe2O3": 0.04,
      "CuO": 0.7,
      "SnO2": 11.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.4
      },
      {
        "material": "kaolin",
        "amount": 16.7
      },
      {
        "material": "whiting",
        "amount": 16.7
      },
      {
        "material": "silica",
        "amount": 11.1
      },
      {
        "material": "talc",
        "amount": 11.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 11.2
      },
      {
        "material": "copper carbonate",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 112.3
      }
    ]
  },
  {
    "id": "3284",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.28,
      "Al2O3": 17.06,
      "Na2O": 6.48,
      "K2O": 3.07,
      "MgO": 4.84,
      "CaO": 7.02,
      "TiO2": 0.95,
      "ZrO2": 10.96,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 71.6
      },
      {
        "material": "dolomite",
        "amount": 23.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 123.1
      }
    ]
  },
  {
    "id": "3285",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.88,
      "Al2O3": 12.44,
      "Na2O": 1.46,
      "K2O": 1.94,
      "MgO": 1.08,
      "CaO": 8.85,
      "P2O5": 0.04,
      "TiO2": 0.12,
      "Fe2O3": 5.16,
      "ZnO": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 11.3
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3286",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.38,
      "Al2O3": 11.61,
      "Na2O": 1.36,
      "K2O": 1.81,
      "MgO": 1.01,
      "CaO": 8.26,
      "P2O5": 0.03,
      "TiO2": 0.11,
      "Fe2O3": 8.52,
      "ZnO": 0.98,
      "SnO2": 2.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 11.3
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3287",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.94,
      "Al2O3": 12.81,
      "Na2O": 1.5,
      "K2O": 1.99,
      "MgO": 1.12,
      "CaO": 9.12,
      "P2O5": 0.04,
      "TiO2": 0.12,
      "Fe2O3": 0.2,
      "CuO": 2.08,
      "ZnO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 11.3
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3288",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.97,
      "Al2O3": 12.82,
      "Na2O": 1.5,
      "K2O": 2.0,
      "MgO": 1.12,
      "CaO": 9.12,
      "P2O5": 0.04,
      "TiO2": 0.12,
      "Fe2O3": 0.2,
      "CoO": 2.04,
      "ZnO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 27.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 11.3
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.96,
      "Al2O3": 10.99,
      "B2O3": 1.84,
      "Na2O": 1.85,
      "K2O": 5.4,
      "MgO": 1.59,
      "CaO": 8.42,
      "P2O5": 0.01,
      "TiO2": 3.37,
      "Fe2O3": 0.14,
      "CoO": 0.7,
      "CuO": 1.44,
      "ZnO": 4.11,
      "SnO2": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 98.24
      }
    ]
  },
  {
    "id": "3290",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.37,
      "Al2O3": 11.07,
      "B2O3": 1.86,
      "Na2O": 1.86,
      "K2O": 5.44,
      "MgO": 1.6,
      "CaO": 8.48,
      "P2O5": 0.01,
      "TiO2": 3.4,
      "Fe2O3": 0.14,
      "CuO": 1.45,
      "ZnO": 4.14,
      "SnO2": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 97.24
      }
    ]
  },
  {
    "id": "3291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.9,
      "Al2O3": 10.79,
      "B2O3": 1.81,
      "Na2O": 1.82,
      "K2O": 5.3,
      "MgO": 1.56,
      "CaO": 8.27,
      "P2O5": 0.01,
      "TiO2": 6.28,
      "Fe2O3": 0.47,
      "CuO": 0.67,
      "ZnO": 4.03,
      "SnO2": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 99.19
      }
    ]
  },
  {
    "id": "3292",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.81,
      "Al2O3": 11.15,
      "B2O3": 1.87,
      "Na2O": 1.88,
      "K2O": 5.48,
      "MgO": 1.61,
      "CaO": 8.55,
      "P2O5": 0.01,
      "TiO2": 3.42,
      "Fe2O3": 0.14,
      "CuO": 0.69,
      "ZnO": 4.17,
      "SnO2": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "red stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 106.19
      }
    ]
  },
  {
    "id": "3293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.59,
      "Al2O3": 10.92,
      "B2O3": 1.83,
      "Na2O": 1.84,
      "K2O": 5.37,
      "MgO": 1.58,
      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 3.35,
      "Fe2O3": 2.25,
      "CuO": 0.68,
      "ZnO": 4.08,
      "SnO2": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 98.19
      }
    ]
  },
  {
    "id": "3301",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.78,
      "Al2O3": 11.48,
      "Na2O": 1.29,
      "K2O": 4.1,
      "MgO": 0.01,
      "CaO": 12.21,
      "TiO2": 0.0,
      "Fe2O3": 0.97,
      "ZnO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.97,
      "Al2O3": 10.99,
      "B2O3": 1.84,
      "Na2O": 1.85,
      "K2O": 5.4,
      "MgO": 1.59,
      "CaO": 8.43,
      "P2O5": 0.01,
      "TiO2": 3.37,
      "Fe2O3": 2.27,
      "ZnO": 4.11,
      "SnO2": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 97.24
      }
    ]
  },
  {
    "id": "3308",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.37,
      "Al2O3": 9.95,
      "Na2O": 1.22,
      "K2O": 3.91,
      "MgO": 2.42,
      "CaO": 8.97,
      "TiO2": 0.15,
      "Fe2O3": 9.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 39.81
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 15.74
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.04
      },
      {
        "material": "talc",
        "amount": 7.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "3309",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.55,
      "Al2O3": 8.05,
      "Na2O": 1.32,
      "K2O": 4.2,
      "MgO": 1.22,
      "CaO": 6.96,
      "TiO2": 0.0,
      "Fe2O3": 13.16,
      "ZnO": 5.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 31.25
      },
      {
        "material": "whiting",
        "amount": 10.42
      },
      {
        "material": "dolomite",
        "amount": 6.25
      },
      {
        "material": "kaolin",
        "amount": 2.08
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.63
      },
      {
        "material": "zinc oxide",
        "amount": 6.25
      },
      {
        "material": "total",
        "amount": 121.88
      }
    ]
  },
  {
    "id": "3310",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.37,
      "Al2O3": 9.7,
      "Na2O": 1.29,
      "K2O": 4.13,
      "MgO": 1.61,
      "CaO": 8.17,
      "TiO2": 0.0,
      "Fe2O3": 7.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 42.9
      },
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "whiting",
        "amount": 14.2
      },
      {
        "material": "kaolin",
        "amount": 6.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "3311",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.61,
      "Al2O3": 11.49,
      "Na2O": 1.54,
      "K2O": 4.92,
      "MgO": 1.88,
      "CaO": 9.7,
      "TiO2": 0.01,
      "Fe2O3": 7.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 50.3
      },
      {
        "material": "silica",
        "amount": 22.2
      },
      {
        "material": "whiting",
        "amount": 16.6
      },
      {
        "material": "kaolin",
        "amount": 7.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3312",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.27,
      "Al2O3": 9.57,
      "Na2O": 1.23,
      "K2O": 3.89,
      "MgO": 2.26,
      "CaO": 9.06,
      "TiO2": 0.12,
      "Fe2O3": 9.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3313",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.07,
      "Al2O3": 10.62,
      "B2O3": 1.78,
      "Na2O": 1.79,
      "K2O": 5.22,
      "MgO": 1.53,
      "CaO": 8.14,
      "P2O5": 0.01,
      "TiO2": 8.13,
      "Fe2O3": 0.67,
      "ZnO": 3.97,
      "SnO2": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 100.24
      }
    ]
  },
  {
    "id": "3314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.96,
      "Al2O3": 10.41,
      "B2O3": 1.75,
      "Na2O": 1.75,
      "K2O": 5.12,
      "MgO": 1.5,
      "CaO": 7.98,
      "P2O5": 0.01,
      "TiO2": 7.96,
      "Fe2O3": 2.67,
      "ZnO": 3.89,
      "SnO2": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 102.24
      }
    ]
  },
  {
    "id": "3315",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.21,
      "Al2O3": 11.23,
      "B2O3": 1.88,
      "Na2O": 1.89,
      "K2O": 5.52,
      "MgO": 1.62,
      "CaO": 8.61,
      "P2O5": 0.01,
      "TiO2": 3.45,
      "Fe2O3": 0.15,
      "ZnO": 4.2,
      "SnO2": 3.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "red stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 105.24
      }
    ]
  },
  {
    "id": "3316",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.21,
      "Al2O3": 11.23,
      "B2O3": 1.88,
      "Na2O": 1.89,
      "K2O": 5.52,
      "MgO": 1.62,
      "CaO": 8.61,
      "P2O5": 0.01,
      "TiO2": 3.45,
      "Fe2O3": 0.15,
      "ZnO": 4.2,
      "SnO2": 3.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "yellow stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 105.24
      }
    ]
  },
  {
    "id": "3317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.9,
      "Al2O3": 10.79,
      "B2O3": 1.81,
      "Na2O": 1.82,
      "K2O": 5.3,
      "MgO": 1.56,
      "CaO": 8.27,
      "P2O5": 0.01,
      "TiO2": 3.31,
      "Fe2O3": 0.14,
      "NiO": 3.29,
      "CuO": 0.67,
      "ZnO": 4.03,
      "SnO2": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "black nickel oxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 99.19
      }
    ]
  },
  {
    "id": "3318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.67,
      "Al2O3": 10.93,
      "B2O3": 1.83,
      "Na2O": 1.84,
      "K2O": 5.37,
      "MgO": 1.58,
      "CaO": 8.38,
      "P2O5": 0.01,
      "TiO2": 3.36,
      "Fe2O3": 2.26,
      "CoO": 0.53,
      "ZnO": 4.09,
      "SnO2": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 97.99
      }
    ]
  },
  {
    "id": "3319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.16,
      "Al2O3": 11.03,
      "B2O3": 1.85,
      "Na2O": 1.86,
      "K2O": 5.42,
      "MgO": 1.59,
      "CaO": 8.45,
      "P2O5": 0.01,
      "TiO2": 3.38,
      "Cr2O3": 1.12,
      "Fe2O3": 0.14,
      "CuO": 0.69,
      "ZnO": 4.12,
      "SnO2": 3.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 97.19
      }
    ]
  },
  {
    "id": "3320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.37,
      "Al2O3": 11.46,
      "B2O3": 1.92,
      "Na2O": 1.93,
      "K2O": 5.63,
      "MgO": 1.65,
      "CaO": 8.78,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.15,
      "CuO": 1.5,
      "ZnO": 4.28,
      "SnO2": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 94.24
      }
    ]
  },
  {
    "id": "3321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.37,
      "Al2O3": 11.07,
      "B2O3": 1.86,
      "Na2O": 1.86,
      "K2O": 5.44,
      "MgO": 1.6,
      "CaO": 8.48,
      "P2O5": 0.01,
      "TiO2": 3.4,
      "Fe2O3": 0.14,
      "CuO": 1.45,
      "ZnO": 4.14,
      "SnO2": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 107.24
      }
    ]
  },
  {
    "id": "3322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.37,
      "Al2O3": 11.07,
      "B2O3": 1.86,
      "Na2O": 1.86,
      "K2O": 5.44,
      "MgO": 1.6,
      "CaO": 8.48,
      "P2O5": 0.01,
      "TiO2": 3.4,
      "Fe2O3": 0.14,
      "CuO": 1.45,
      "ZnO": 4.14,
      "SnO2": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 107.24
      }
    ]
  },
  {
    "id": "3323",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.42,
      "Al2O3": 22.04,
      "Na2O": 1.79,
      "K2O": 5.72,
      "MgO": 4.76,
      "CaO": 9.25,
      "TiO2": 0.01,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 51.7
      },
      {
        "material": "kaolin",
        "amount": 25.85
      },
      {
        "material": "dolomite",
        "amount": 18.61
      },
      {
        "material": "whiting",
        "amount": 3.84
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3337",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.76,
      "Al2O3": 10.95,
      "B2O3": 1.84,
      "Na2O": 1.84,
      "K2O": 5.38,
      "MgO": 1.58,
      "CaO": 8.39,
      "P2O5": 0.01,
      "TiO2": 3.36,
      "Fe2O3": 1.2,
      "CuO": 1.44,
      "ZnO": 4.09,
      "SnO2": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 98.24
      }
    ]
  },
  {
    "id": "3338",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.16,
      "Al2O3": 10.84,
      "B2O3": 1.82,
      "Na2O": 1.82,
      "K2O": 5.33,
      "MgO": 1.56,
      "CaO": 8.31,
      "P2O5": 0.01,
      "TiO2": 3.33,
      "Fe2O3": 2.24,
      "CuO": 1.42,
      "ZnO": 4.05,
      "SnO2": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 99.24
      }
    ]
  },
  {
    "id": "3339",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.58,
      "Al2O3": 10.72,
      "B2O3": 1.8,
      "Na2O": 1.81,
      "K2O": 5.27,
      "MgO": 1.55,
      "CaO": 8.22,
      "P2O5": 0.01,
      "TiO2": 3.29,
      "Fe2O3": 3.25,
      "CuO": 1.41,
      "ZnO": 4.01,
      "SnO2": 3.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 100.24
      }
    ]
  },
  {
    "id": "3340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.01,
      "Al2O3": 10.61,
      "B2O3": 1.78,
      "Na2O": 1.79,
      "K2O": 5.22,
      "MgO": 1.53,
      "CaO": 8.14,
      "P2O5": 0.01,
      "TiO2": 3.26,
      "Fe2O3": 4.24,
      "CuO": 1.39,
      "ZnO": 3.97,
      "SnO2": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
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      {
        "material": "total",
        "amount": 101.24
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    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.45,
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      "K2O": 5.16,
      "MgO": 1.52,
      "CaO": 8.05,
      "P2O5": 0.01,
      "TiO2": 3.22,
      "Fe2O3": 5.22,
      "CuO": 1.38,
      "ZnO": 3.93,
      "SnO2": 3.03,
      "LOI": 0.0
    },
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      {
        "material": "g-200 feldspar",
        "amount": 43.6
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      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
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      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
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      {
        "material": "red iron oxide",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      {
        "material": "total",
        "amount": 102.24
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    ]
  },
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      "CaO": 8.39,
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      "TiO2": 3.36,
      "Cr2O3": 1.11,
      "Fe2O3": 0.14,
      "CuO": 1.43,
      "ZnO": 4.09,
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        "material": "g-200 feldspar",
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      {
        "material": "silica",
        "amount": 18.64
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      {
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        "material": "laguna borate",
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      {
        "material": "zinc oxide",
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      {
        "material": "ep kaolin",
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      {
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      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      {
        "material": "chrome oxide",
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      },
      {
        "material": "total",
        "amount": 98.24
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    ]
  },
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      "SiO2": 56.1,
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      "CaO": 8.3,
      "P2O5": 0.01,
      "TiO2": 3.32,
      "Cr2O3": 2.2,
      "Fe2O3": 0.14,
      "CuO": 1.42,
      "ZnO": 4.04,
      "SnO2": 3.12,
      "LOI": 0.0
    },
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        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
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        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
      {
        "material": "dolomite",
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      {
        "material": "zinc oxide",
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      {
        "material": "ep kaolin",
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      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      },
      {
        "material": "chrome oxide",
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      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      {
        "material": "total",
        "amount": 99.24
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    ]
  },
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    "id": "3344",
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      "Na2O": 1.8,
      "K2O": 5.26,
      "MgO": 1.55,
      "CaO": 8.21,
      "P2O5": 0.01,
      "TiO2": 3.29,
      "Cr2O3": 3.27,
      "Fe2O3": 0.14,
      "CuO": 1.4,
      "ZnO": 4.0,
      "SnO2": 3.08,
      "LOI": 0.0
    },
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      {
        "material": "g-200 feldspar",
        "amount": 43.6
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      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "chrome oxide",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 100.24
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    ]
  },
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    "id": "3345",
    "chemical_composition": {
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      "Na2O": 1.78,
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      "MgO": 1.53,
      "CaO": 8.12,
      "P2O5": 0.01,
      "TiO2": 3.25,
      "Cr2O3": 4.31,
      "Fe2O3": 0.14,
      "CuO": 1.39,
      "ZnO": 3.96,
      "SnO2": 3.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
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      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
      {
        "material": "dolomite",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "chrome oxide",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
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    ]
  },
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    "id": "3346",
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      "MgO": 1.51,
      "CaO": 8.03,
      "P2O5": 0.01,
      "TiO2": 3.22,
      "Cr2O3": 5.33,
      "Fe2O3": 0.14,
      "CuO": 1.37,
      "ZnO": 3.91,
      "SnO2": 3.02,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "g-200 feldspar",
        "amount": 43.6
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      {
        "material": "silica",
        "amount": 18.64
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        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "chrome oxide",
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      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
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      {
        "material": "copper carbonate",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 102.24
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    ]
  },
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    "id": "3347",
    "chemical_composition": {
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      "Al2O3": 10.95,
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      "CaO": 8.4,
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      "TiO2": 3.36,
      "Fe2O3": 2.26,
      "CoO": 0.35,
      "ZnO": 4.09,
      "SnO2": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      {
        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
      {
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      {
        "material": "zinc oxide",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 97.74
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    ]
  },
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    "id": "3348",
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      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 3.35,
      "Fe2O3": 2.25,
      "CoO": 0.7,
      "ZnO": 4.08,
      "SnO2": 3.14,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "g-200 feldspar",
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      },
      {
        "material": "silica",
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      {
        "material": "whiting",
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        "material": "laguna borate",
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      },
      {
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "total",
        "amount": 98.24
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    ]
  },
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    "id": "3349",
    "chemical_composition": {
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      "MgO": 1.57,
      "CaO": 8.34,
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      "TiO2": 3.34,
      "Fe2O3": 2.24,
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      "ZnO": 4.06,
      "SnO2": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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        "material": "laguna borate",
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      },
      {
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      },
      {
        "material": "zinc oxide",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
        "amount": 2.83
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      {
        "material": "red iron oxide",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "total",
        "amount": 98.74
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    ]
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    "id": "3350",
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      "K2O": 5.33,
      "MgO": 1.56,
      "CaO": 8.31,
      "P2O5": 0.01,
      "TiO2": 3.33,
      "Fe2O3": 2.24,
      "CoO": 1.39,
      "ZnO": 4.05,
      "SnO2": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 99.24
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    ]
  },
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    "id": "3351",
    "chemical_composition": {
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      "Na2O": 1.82,
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      "MgO": 1.56,
      "CaO": 8.28,
      "P2O5": 0.01,
      "TiO2": 3.32,
      "Fe2O3": 2.23,
      "CoO": 1.73,
      "ZnO": 4.04,
      "SnO2": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 99.74
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    ]
  },
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    "id": "3352",
    "chemical_composition": {
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      "B2O3": 1.86,
      "Na2O": 1.86,
      "K2O": 5.44,
      "MgO": 1.6,
      "CaO": 8.49,
      "P2O5": 0.01,
      "TiO2": 3.4,
      "Fe2O3": 1.21,
      "CoO": 0.36,
      "ZnO": 4.14,
      "SnO2": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 96.74
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    ]
  },
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    "id": "3353",
    "chemical_composition": {
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      "B2O3": 1.85,
      "Na2O": 1.86,
      "K2O": 5.42,
      "MgO": 1.59,
      "CaO": 8.46,
      "P2O5": 0.01,
      "TiO2": 3.39,
      "Fe2O3": 1.21,
      "CoO": 0.71,
      "ZnO": 4.12,
      "SnO2": 3.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "total",
        "amount": 97.24
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    ]
  },
  {
    "id": "3354",
    "chemical_composition": {
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      "SiO2": 56.98,
      "Al2O3": 10.99,
      "B2O3": 1.84,
      "Na2O": 1.85,
      "K2O": 5.4,
      "MgO": 1.59,
      "CaO": 8.43,
      "P2O5": 0.01,
      "TiO2": 3.37,
      "Fe2O3": 1.21,
      "CoO": 1.06,
      "ZnO": 4.11,
      "SnO2": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 97.74
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.78,
      "Al2O3": 10.95,
      "B2O3": 1.84,
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      "MgO": 1.58,
      "CaO": 8.4,
      "P2O5": 0.01,
      "TiO2": 3.36,
      "Fe2O3": 1.2,
      "CoO": 1.41,
      "ZnO": 4.09,
      "SnO2": 3.16,
      "LOI": 0.0
    },
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      {
        "material": "g-200 feldspar",
        "amount": 43.6
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      {
        "material": "silica",
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      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
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      },
      {
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      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
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      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 98.24
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    ]
  },
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      "Al2O3": 10.92,
      "B2O3": 1.83,
      "Na2O": 1.84,
      "K2O": 5.36,
      "MgO": 1.58,
      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 3.35,
      "Fe2O3": 1.2,
      "CoO": 1.75,
      "ZnO": 4.08,
      "SnO2": 3.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
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      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 98.74
      }
    ]
  },
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    "id": "3357",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.91,
      "Al2O3": 10.98,
      "B2O3": 1.84,
      "Na2O": 1.85,
      "K2O": 5.4,
      "MgO": 1.59,
      "CaO": 8.42,
      "P2O5": 0.01,
      "TiO2": 5.38,
      "Fe2O3": 0.36,
      "ZnO": 4.1,
      "SnO2": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 97.24
      }
    ]
  },
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    "id": "3358",
    "chemical_composition": {
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      "SiO2": 55.67,
      "Al2O3": 10.74,
      "B2O3": 1.8,
      "Na2O": 1.81,
      "K2O": 5.28,
      "MgO": 1.55,
      "CaO": 8.23,
      "P2O5": 0.01,
      "TiO2": 7.23,
      "Fe2O3": 0.57,
      "ZnO": 4.01,
      "SnO2": 3.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 99.24
      }
    ]
  },
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    "id": "3359",
    "chemical_composition": {
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      "Al2O3": 10.51,
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      "Na2O": 1.77,
      "K2O": 5.17,
      "MgO": 1.52,
      "CaO": 8.06,
      "P2O5": 0.01,
      "TiO2": 9.0,
      "Fe2O3": 0.77,
      "ZnO": 3.93,
      "SnO2": 3.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
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      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 101.24
      }
    ]
  },
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    "id": "3360",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.34,
      "Al2O3": 10.29,
      "B2O3": 1.73,
      "Na2O": 1.73,
      "K2O": 5.06,
      "MgO": 1.49,
      "CaO": 7.89,
      "P2O5": 0.01,
      "TiO2": 10.7,
      "Fe2O3": 0.96,
      "ZnO": 3.84,
      "SnO2": 2.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
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      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 103.24
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    ]
  },
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    "id": "3361",
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      "SiO2": 52.24,
      "Al2O3": 10.08,
      "B2O3": 1.69,
      "Na2O": 1.7,
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      "MgO": 1.46,
      "CaO": 7.73,
      "P2O5": 0.01,
      "TiO2": 12.33,
      "Fe2O3": 1.15,
      "ZnO": 3.77,
      "SnO2": 2.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
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      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 105.24
      }
    ]
  },
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    "id": "3362",
    "chemical_composition": {
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      "SiO2": 55.73,
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      "Na2O": 1.81,
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      "MgO": 1.55,
      "CaO": 8.24,
      "P2O5": 0.01,
      "TiO2": 5.27,
      "Fe2O3": 2.44,
      "ZnO": 4.02,
      "SnO2": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 99.24
      }
    ]
  },
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    "id": "3363",
    "chemical_composition": {
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      "SiO2": 54.54,
      "Al2O3": 10.52,
      "B2O3": 1.77,
      "Na2O": 1.77,
      "K2O": 5.17,
      "MgO": 1.52,
      "CaO": 8.07,
      "P2O5": 0.01,
      "TiO2": 7.09,
      "Fe2O3": 2.6,
      "ZnO": 3.93,
      "SnO2": 3.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 101.24
      }
    ]
  },
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    "id": "3364",
    "chemical_composition": {
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      "SiO2": 53.39,
      "Al2O3": 10.3,
      "B2O3": 1.73,
      "Na2O": 1.73,
      "K2O": 5.06,
      "MgO": 1.49,
      "CaO": 7.9,
      "P2O5": 0.01,
      "TiO2": 8.82,
      "Fe2O3": 2.75,
      "ZnO": 3.85,
      "SnO2": 2.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 103.24
      }
    ]
  },
  {
    "id": "3365",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.3,
      "Al2O3": 10.09,
      "B2O3": 1.69,
      "Na2O": 1.7,
      "K2O": 4.96,
      "MgO": 1.46,
      "CaO": 7.73,
      "P2O5": 0.01,
      "TiO2": 10.49,
      "Fe2O3": 2.9,
      "ZnO": 3.77,
      "SnO2": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 105.24
      }
    ]
  },
  {
    "id": "3366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.25,
      "Al2O3": 9.89,
      "B2O3": 1.66,
      "Na2O": 1.67,
      "K2O": 4.86,
      "MgO": 1.43,
      "CaO": 7.58,
      "P2O5": 0.01,
      "TiO2": 12.09,
      "Fe2O3": 3.04,
      "ZnO": 3.69,
      "SnO2": 2.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 87.54
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 107.24
      }
    ]
  },
  {
    "id": "3367",
    "chemical_composition": {
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      "SiO2": 56.83,
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      "Na2O": 2.85,
      "K2O": 1.8,
      "MgO": 2.64,
      "CaO": 13.33,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 7.34,
      "ZnO": 4.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "dolomite",
        "amount": 12.5
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 120.5
      }
    ]
  },
  {
    "id": "3368",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.85,
      "Al2O3": 11.73,
      "Li2O": 1.79,
      "Na2O": 0.07,
      "K2O": 8.2,
      "MgO": 0.05,
      "CaO": 8.64,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "FeO": 0.57,
      "Fe2O3": 1.57,
      "ZnO": 5.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.62,
      "Al2O3": 11.5,
      "Li2O": 1.75,
      "Na2O": 0.07,
      "K2O": 8.04,
      "MgO": 0.05,
      "CaO": 8.47,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "FeO": 1.12,
      "Fe2O3": 2.96,
      "ZnO": 5.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "black iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.18,
      "Al2O3": 10.66,
      "Li2O": 1.62,
      "Na2O": 0.06,
      "K2O": 7.45,
      "MgO": 0.05,
      "CaO": 7.85,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "FeO": 3.12,
      "Fe2O3": 7.99,
      "ZnO": 4.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "black iron oxide",
        "amount": 12.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.81,
      "Al2O3": 10.97,
      "Li2O": 1.67,
      "Na2O": 0.07,
      "K2O": 7.67,
      "MgO": 0.05,
      "CaO": 8.08,
      "P2O5": 0.02,
      "TiO2": 2.58,
      "Fe2O3": 5.96,
      "ZnO": 5.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "3372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.17,
      "Al2O3": 9.68,
      "B2O3": 7.04,
      "Li2O": 1.58,
      "Na2O": 3.15,
      "K2O": 0.08,
      "MgO": 3.15,
      "CaO": 12.91,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 2.29,
      "CuO": 1.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 27.9
      },
      {
        "material": "ep kaolin",
        "amount": 21.9
      },
      {
        "material": "dolomite",
        "amount": 12.9
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "3373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.73,
      "Al2O3": 10.48,
      "B2O3": 8.41,
      "Li2O": 0.52,
      "Na2O": 3.78,
      "K2O": 0.48,
      "MgO": 3.37,
      "CaO": 12.69,
      "SrO": 0.11,
      "P2O5": 0.07,
      "TiO2": 0.25,
      "Fe2O3": 1.68,
      "CuO": 0.62,
      "SnO2": 4.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "volcanic ash",
        "amount": 41.3
      },
      {
        "material": "gillespie borate",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 10.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.7
      },
      {
        "material": "ep kaolin",
        "amount": 7.7
      },
      {
        "material": "dolomite",
        "amount": 4.5
      },
      {
        "material": "whiting",
        "amount": 1.4
      },
      {
        "material": "lithium carbonate",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 99.4
      },
      {
        "material": "tin oxide",
        "amount": 4.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.9
      },
      {
        "material": "red iron oxide",
        "amount": 0.7
      },
      {
        "material": "bentonite",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 106.1
      }
    ]
  },
  {
    "id": "3374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.75,
      "Al2O3": 9.5,
      "B2O3": 6.76,
      "Na2O": 3.85,
      "K2O": 2.52,
      "MgO": 0.95,
      "CaO": 14.38,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.3
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 96.9
      },
      {
        "material": "stain",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.1
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3375",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.75,
      "Al2O3": 9.5,
      "B2O3": 6.76,
      "Na2O": 3.85,
      "K2O": 2.52,
      "MgO": 0.95,
      "CaO": 14.38,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.3
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 96.9
      },
      {
        "material": "stain",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.1
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 9.23,
      "B2O3": 6.57,
      "Na2O": 3.74,
      "K2O": 2.45,
      "MgO": 0.92,
      "CaO": 13.98,
      "P2O5": 0.03,
      "TiO2": 1.96,
      "Fe2O3": 0.43,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.3
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 96.9
      },
      {
        "material": "bentonite",
        "amount": 3.1
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3377",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.46,
      "Al2O3": 11.64,
      "B2O3": 1.16,
      "Na2O": 1.53,
      "K2O": 4.33,
      "MgO": 0.23,
      "CaO": 10.33,
      "SrO": 0.02,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 9.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "gillespie borate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "3378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.98,
      "Al2O3": 8.57,
      "B2O3": 2.79,
      "Na2O": 3.83,
      "K2O": 1.59,
      "MgO": 0.52,
      "CaO": 13.85,
      "SrO": 19.03,
      "ZrO2": 5.99,
      "Fe2O3": 0.11,
      "CuO": 5.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 31.23
      },
      {
        "material": "strontium carbonate",
        "amount": 24.8
      },
      {
        "material": "wollastonite",
        "amount": 20.85
      },
      {
        "material": "gillespie borate",
        "amount": 10.44
      },
      {
        "material": "total base recipe",
        "amount": 87.32
      },
      {
        "material": "copper carbonate",
        "amount": 8.17
      },
      {
        "material": "zircopax",
        "amount": 8.17
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.66
      }
    ]
  },
  {
    "id": "3379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.65,
      "Al2O3": 11.73,
      "B2O3": 2.41,
      "Na2O": 3.33,
      "K2O": 1.87,
      "MgO": 6.78,
      "CaO": 6.56,
      "SrO": 0.04,
      "P2O5": 0.02,
      "TiO2": 4.46,
      "Fe2O3": 0.64,
      "CoO": 1.24,
      "CuO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 12.0
      },
      {
        "material": "gillespie borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "3380",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 14.38,
      "B2O3": 1.63,
      "Li2O": 1.96,
      "Na2O": 0.8,
      "K2O": 0.25,
      "MgO": 5.47,
      "CaO": 8.95,
      "TiO2": 0.29,
      "Fe2O3": 2.09,
      "SnO2": 5.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 109.16
      }
    ]
  },
  {
    "id": "3381",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.38,
      "Al2O3": 9.55,
      "Na2O": 3.23,
      "K2O": 2.04,
      "MgO": 1.33,
      "CaO": 7.32,
      "TiO2": 0.02,
      "ZrO2": 9.73,
      "Fe2O3": 0.04,
      "CuO": 1.94,
      "ZnO": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "zircopax",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 87.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 89.5
      }
    ]
  },
  {
    "id": "3382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.08,
      "Al2O3": 11.05,
      "B2O3": 4.47,
      "Na2O": 2.59,
      "K2O": 2.03,
      "MgO": 0.02,
      "CaO": 13.39,
      "P2O5": 0.05,
      "TiO2": 4.49,
      "Fe2O3": 0.65,
      "CoO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "3383",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.93,
      "Al2O3": 11.57,
      "B2O3": 4.68,
      "Na2O": 2.71,
      "K2O": 2.12,
      "MgO": 0.02,
      "CaO": 14.01,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3384",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.11,
      "Al2O3": 16.63,
      "B2O3": 2.9,
      "Li2O": 2.88,
      "Na2O": 5.13,
      "K2O": 2.24,
      "MgO": 0.52,
      "CaO": 9.74,
      "SrO": 0.05,
      "P2O5": 0.04,
      "TiO2": 7.12,
      "Fe2O3": 0.16,
      "CuO": 1.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.8
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "gillespie borate",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "titanium dioxide",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3385",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.49,
      "Al2O3": 16.76,
      "B2O3": 2.93,
      "Li2O": 2.9,
      "Na2O": 5.17,
      "K2O": 2.26,
      "MgO": 0.53,
      "CaO": 9.81,
      "SrO": 0.05,
      "P2O5": 0.04,
      "TiO2": 7.18,
      "Fe2O3": 0.16,
      "CoO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.8
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "gillespie borate",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "titanium dioxide",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3386",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.21,
      "Al2O3": 16.34,
      "B2O3": 2.85,
      "Li2O": 2.83,
      "Na2O": 5.04,
      "K2O": 2.2,
      "MgO": 0.52,
      "CaO": 9.57,
      "SrO": 0.05,
      "P2O5": 0.04,
      "TiO2": 7.0,
      "Fe2O3": 3.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.8
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "gillespie borate",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "titanium dioxide",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3387",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.79,
      "Al2O3": 13.28,
      "B2O3": 2.03,
      "Na2O": 3.63,
      "K2O": 2.1,
      "MgO": 1.03,
      "CaO": 6.76,
      "SrO": 0.04,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "CoO": 1.93,
      "ZnO": 5.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "gillespie borate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3388",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.89,
      "Al2O3": 10.48,
      "B2O3": 5.64,
      "Na2O": 3.2,
      "K2O": 2.17,
      "MgO": 1.57,
      "CaO": 6.01,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.35,
      "CoO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.26,
      "Al2O3": 10.87,
      "B2O3": 2.97,
      "Na2O": 1.97,
      "K2O": 4.84,
      "MgO": 3.83,
      "CaO": 7.56,
      "SrO": 0.05,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "CoO": 2.48,
      "CuO": 2.66,
      "ZnO": 5.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.2
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 14.2
      },
      {
        "material": "gillespie borate",
        "amount": 11.4
      },
      {
        "material": "ep kaolin",
        "amount": 5.2
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.5
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.03,
      "Al2O3": 17.59,
      "Li2O": 1.25,
      "Na2O": 6.36,
      "K2O": 3.03,
      "MgO": 0.17,
      "CaO": 0.51,
      "SrO": 15.07,
      "TiO2": 0.09,
      "Fe2O3": 0.29,
      "CuO": 2.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 62.0
      },
      {
        "material": "strontium carbonate",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3391",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.66,
      "Al2O3": 14.34,
      "B2O3": 7.03,
      "Na2O": 5.98,
      "K2O": 2.31,
      "MgO": 1.2,
      "CaO": 6.96,
      "SrO": 0.13,
      "P2O5": 0.01,
      "TiO2": 1.01,
      "Fe2O3": 2.34,
      "CoO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "gillespie borate",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3392",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.12,
      "Al2O3": 14.95,
      "B2O3": 2.58,
      "Na2O": 4.03,
      "K2O": 2.43,
      "MgO": 0.48,
      "CaO": 15.09,
      "SrO": 0.05,
      "TiO2": 0.2,
      "Fe2O3": 1.32,
      "CuO": 3.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.0
      },
      {
        "material": "gillespie borate",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 94.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3393",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.15,
      "Al2O3": 17.16,
      "Na2O": 3.74,
      "K2O": 2.39,
      "MgO": 0.06,
      "CaO": 12.22,
      "P2O5": 0.04,
      "TiO2": 2.08,
      "Fe2O3": 0.46,
      "CoO": 0.71,
      "ZnO": 8.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3394",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.24,
      "Al2O3": 14.61,
      "B2O3": 2.1,
      "Li2O": 3.5,
      "Na2O": 9.69,
      "K2O": 2.19,
      "MgO": 0.39,
      "CaO": 8.21,
      "SrO": 0.04,
      "P2O5": 0.02,
      "TiO2": 4.81,
      "Fe2O3": 9.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gillespie borate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
  {
    "id": "3397",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.34,
      "Al2O3": 11.68,
      "B2O3": 3.03,
      "Na2O": 4.53,
      "K2O": 2.23,
      "MgO": 1.08,
      "CaO": 11.4,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.07,
      "CuO": 1.07,
      "ZnO": 4.29,
      "SnO2": 2.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 46.16
      },
      {
        "material": "silica",
        "amount": 16.52
      },
      {
        "material": "whiting",
        "amount": 14.29
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.33
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.3
      },
      {
        "material": "tin oxide",
        "amount": 2.24
      },
      {
        "material": "black copper oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 107.61
      }
    ]
  },
  {
    "id": "3400",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.06,
      "Al2O3": 13.47,
      "B2O3": 4.95,
      "Na2O": 1.64,
      "K2O": 0.27,
      "MgO": 0.03,
      "CaO": 15.43,
      "P2O5": 0.07,
      "TiO2": 5.24,
      "Fe2O3": 0.77,
      "CuO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.4,
      "Al2O3": 13.55,
      "B2O3": 4.98,
      "Na2O": 1.65,
      "K2O": 0.27,
      "MgO": 0.03,
      "CaO": 15.53,
      "P2O5": 0.07,
      "TiO2": 5.27,
      "Fe2O3": 0.78,
      "CuO": 2.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3402",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 11.56,
      "Na2O": 3.37,
      "K2O": 1.61,
      "MgO": 0.04,
      "CaO": 6.24,
      "P2O5": 0.02,
      "TiO2": 5.18,
      "Fe2O3": 0.67,
      "CoO": 0.6,
      "ZnO": 9.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3404",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.31,
      "Al2O3": 11.4,
      "B2O3": 2.97,
      "Na2O": 4.34,
      "K2O": 1.9,
      "MgO": 1.08,
      "CaO": 11.1,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "CuO": 1.08,
      "ZnO": 4.31,
      "SnO2": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.2
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.3
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.4
      },
      {
        "material": "tin oxide",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 109.9
      }
    ]
  },
  {
    "id": "3405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.95,
      "Al2O3": 11.18,
      "Na2O": 1.11,
      "K2O": 3.53,
      "MgO": 0.06,
      "CaO": 14.73,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.21,
      "CuO": 3.49,
      "ZnO": 8.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3406",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.74,
      "Al2O3": 11.54,
      "B2O3": 4.5,
      "Na2O": 2.67,
      "K2O": 2.06,
      "MgO": 0.06,
      "CaO": 13.51,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.24,
      "CuO": 2.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3407",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.14,
      "Al2O3": 17.11,
      "Na2O": 5.61,
      "K2O": 2.65,
      "MgO": 0.13,
      "CaO": 1.58,
      "SrO": 22.55,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.24,
      "CuO": 2.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.8
      },
      {
        "material": "strontium carbonate",
        "amount": 30.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "silica",
        "amount": 6.6
      },
      {
        "material": "whiting",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.3
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.3
      }
    ]
  },
  {
    "id": "3408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.8,
      "Al2O3": 10.13,
      "Li2O": 1.57,
      "Na2O": 2.98,
      "K2O": 1.87,
      "MgO": 5.18,
      "CaO": 8.71,
      "P2O5": 6.09,
      "TiO2": 0.01,
      "FeO": 3.77,
      "Fe2O3": 4.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 15.3
      },
      {
        "material": "silica",
        "amount": 11.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "crocus martis",
        "amount": 11.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "3409",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.47,
      "Al2O3": 12.71,
      "B2O3": 4.27,
      "Na2O": 4.33,
      "K2O": 1.35,
      "MgO": 0.12,
      "CaO": 18.91,
      "TiO2": 0.29,
      "Cr2O3": 0.03,
      "Fe2O3": 6.65,
      "CoO": 0.84,
      "SnO2": 10.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 73.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 86.52
      }
    ]
  },
  {
    "id": "3410",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.04,
      "Al2O3": 18.94,
      "B2O3": 0.98,
      "Li2O": 2.19,
      "Na2O": 3.33,
      "K2O": 1.4,
      "MgO": 0.04,
      "CaO": 1.07,
      "SrO": 12.55,
      "P2O5": 0.03,
      "TiO2": 5.07,
      "Fe2O3": 0.12,
      "CuO": 3.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.3
      },
      {
        "material": "spodumene",
        "amount": 27.2
      },
      {
        "material": "strontium carbonate",
        "amount": 17.8
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 103.6
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "3416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.67,
      "Al2O3": 11.8,
      "Na2O": 1.56,
      "K2O": 4.97,
      "MgO": 0.01,
      "CaO": 5.99,
      "TiO2": 0.01,
      "Fe2O3": 6.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 52.91
      },
      {
        "material": "silica",
        "amount": 28.57
      },
      {
        "material": "whiting",
        "amount": 10.58
      },
      {
        "material": "kaolin",
        "amount": 7.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 7.41
      },
      {
        "material": "total",
        "amount": 107.41
      }
    ]
  },
  {
    "id": "3438",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 12.47,
      "Al2O3": 14.93,
      "B2O3": 1.28,
      "Na2O": 26.07,
      "K2O": 0.08,
      "MgO": 3.86,
      "CaO": 0.9,
      "BaO": 2.41,
      "TiO2": 0.0,
      "ZrO2": 6.27,
      "Fe2O3": 0.07,
      "F": 31.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 75.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 15.0
      },
      {
        "material": "zircopax",
        "amount": 12.0
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "3439",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.82,
      "Al2O3": 2.33,
      "B2O3": 1.48,
      "Li2O": 2.82,
      "Na2O": 8.57,
      "K2O": 1.33,
      "MgO": 0.03,
      "CaO": 3.54,
      "Fe2O3": 40.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 89.0
      },
      {
        "material": "red iron oxide",
        "amount": 67.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 169.0
      }
    ]
  },
  {
    "id": "3442",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.13,
      "Al2O3": 25.44,
      "B2O3": 2.05,
      "Na2O": 0.98,
      "K2O": 3.96,
      "MgO": 0.05,
      "CaO": 0.05,
      "TiO2": 0.17,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 95.0
      }
    ]
  },
  {
    "id": "3443",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 5.38,
      "Al2O3": 4.74,
      "Na2O": 5.86,
      "K2O": 1.41,
      "CaO": 41.67,
      "BaO": 0.3,
      "P2O5": 31.64,
      "CoO": 1.83,
      "F": 7.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bone ash",
        "amount": 77.3
      },
      {
        "material": "cryolite",
        "amount": 13.7
      },
      {
        "material": "potash feldspar",
        "amount": 8.6
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "barium carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3444",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.61,
      "Al2O3": 14.25,
      "Na2O": 6.42,
      "MgO": 0.91,
      "CaO": 3.61,
      "Fe2O3": 7.2,
      "CoO": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 57.3
      },
      {
        "material": "silica",
        "amount": 24.2
      },
      {
        "material": "kaolin",
        "amount": 9.7
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "whiting",
        "amount": 4.4
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "3488",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.57,
      "Al2O3": 14.04,
      "B2O3": 2.48,
      "Na2O": 3.47,
      "K2O": 1.17,
      "MgO": 3.07,
      "CaO": 11.1,
      "P2O5": 3.37,
      "TiO2": 0.08,
      "Fe2O3": 9.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 7.9
      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3491",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.97,
      "Al2O3": 15.98,
      "B2O3": 2.53,
      "Li2O": 3.85,
      "Na2O": 10.66,
      "K2O": 2.44,
      "MgO": 0.39,
      "CaO": 8.68,
      "P2O5": 0.04,
      "TiO2": 5.29,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3493",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.42,
      "Al2O3": 16.56,
      "B2O3": 1.33,
      "Na2O": 3.96,
      "K2O": 1.85,
      "MgO": 0.16,
      "CaO": 12.38,
      "TiO2": 3.97,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 32.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 30.2
      },
      {
        "material": "wollastonite",
        "amount": 16.3
      },
      {
        "material": "silica",
        "amount": 10.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.7
      },
      {
        "material": "whiting",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "3494",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.61,
      "Al2O3": 11.88,
      "B2O3": 5.42,
      "Na2O": 3.17,
      "K2O": 2.64,
      "MgO": 4.38,
      "CaO": 10.61,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 23.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.1
      },
      {
        "material": "talc",
        "amount": 13.2
      },
      {
        "material": "wollastonite",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 11.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3500",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.98,
      "Al2O3": 11.12,
      "Na2O": 2.01,
      "K2O": 6.52,
      "MgO": 0.11,
      "CaO": 10.79,
      "P2O5": 0.05,
      "TiO2": 0.01,
      "Fe2O3": 6.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 65.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "rice straw ash",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 106.5
      },
      {
        "material": "add",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "3565",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.15,
      "Al2O3": 12.16,
      "Na2O": 1.28,
      "K2O": 2.64,
      "MgO": 0.47,
      "CaO": 10.17,
      "BaO": 2.45,
      "TiO2": 0.03,
      "MnO": 0.02,
      "Fe2O3": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 21.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 21.0
      },
      {
        "material": "hess pumice",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "3568",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.57,
      "Al2O3": 13.32,
      "Na2O": 2.22,
      "K2O": 7.43,
      "MgO": 0.1,
      "CaO": 9.57,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 64.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "3574",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.76,
      "Al2O3": 14.7,
      "B2O3": 0.78,
      "Li2O": 2.09,
      "Na2O": 1.79,
      "K2O": 4.65,
      "MgO": 0.04,
      "CaO": 10.45,
      "SrO": 8.7,
      "TiO2": 13.91,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.6
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "kaolin",
        "amount": 14.6
      },
      {
        "material": "strontium carbonate",
        "amount": 12.3
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.6
      },
      {
        "material": "lithium carbonate",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 13.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.8
      }
    ]
  },
  {
    "id": "3579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.37,
      "Al2O3": 15.98,
      "Na2O": 0.51,
      "K2O": 8.02,
      "MgO": 0.05,
      "CaO": 14.25,
      "TiO2": 0.13,
      "FeO": 1.41,
      "Fe2O3": 3.7,
      "ZnO": 7.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "cornwall stone",
        "amount": 13.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "black iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3580",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.1,
      "Al2O3": 17.12,
      "B2O3": 3.95,
      "Na2O": 8.34,
      "K2O": 3.26,
      "MgO": 0.11,
      "CaO": 14.59,
      "Fe2O3": 0.14,
      "CuO": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "standard borax frit",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3581",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.36,
      "Al2O3": 16.58,
      "Li2O": 0.83,
      "Na2O": 6.97,
      "K2O": 3.27,
      "MgO": 0.07,
      "CaO": 5.63,
      "TiO2": 1.83,
      "Fe2O3": 0.27,
      "CuO": 2.03,
      "ZnO": 9.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3586",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.82,
      "Al2O3": 14.61,
      "Li2O": 1.15,
      "Na2O": 4.41,
      "K2O": 5.97,
      "MgO": 1.1,
      "CaO": 1.91,
      "TiO2": 4.79,
      "Fe2O3": 0.11,
      "ZnO": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 76.2
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "titanium dioxide",
        "amount": 4.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.7
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
  {
    "id": "3597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.69,
      "Al2O3": 13.71,
      "B2O3": 10.52,
      "Na2O": 4.8,
      "K2O": 0.52,
      "CaO": 10.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 75.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3599",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.76,
      "Al2O3": 6.36,
      "B2O3": 11.19,
      "Li2O": 4.79,
      "Na2O": 2.18,
      "K2O": 0.41,
      "MgO": 1.47,
      "CaO": 20.59,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3601",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.17,
      "Al2O3": 16.42,
      "B2O3": 1.49,
      "Na2O": 4.39,
      "K2O": 1.82,
      "MgO": 7.58,
      "CaO": 5.09,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3602",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.17,
      "Al2O3": 16.42,
      "B2O3": 1.49,
      "Na2O": 4.39,
      "K2O": 1.82,
      "MgO": 7.58,
      "CaO": 5.09,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3603",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.05,
      "Al2O3": 13.34,
      "B2O3": 5.58,
      "Na2O": 0.83,
      "K2O": 7.92,
      "MgO": 0.73,
      "CaO": 14.43,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3604",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.05,
      "Al2O3": 13.34,
      "B2O3": 5.58,
      "Na2O": 0.83,
      "K2O": 7.92,
      "MgO": 0.73,
      "CaO": 14.43,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3605",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.1,
      "Al2O3": 9.59,
      "B2O3": 3.62,
      "Na2O": 3.19,
      "K2O": 1.3,
      "MgO": 3.21,
      "CaO": 9.1,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.62,
      "ZnO": 2.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "3607",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.46,
      "Al2O3": 9.64,
      "B2O3": 3.64,
      "Na2O": 3.2,
      "K2O": 1.3,
      "MgO": 3.23,
      "CaO": 9.15,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "ZnO": 2.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3608",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.57,
      "Al2O3": 12.77,
      "B2O3": 5.81,
      "Na2O": 4.22,
      "K2O": 1.66,
      "MgO": 3.54,
      "CaO": 8.27,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 19.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3609",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.8,
      "Al2O3": 12.22,
      "B2O3": 5.55,
      "Na2O": 4.04,
      "K2O": 1.59,
      "MgO": 3.39,
      "CaO": 7.9,
      "P2O5": 0.02,
      "TiO2": 3.95,
      "Fe2O3": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 19.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3610",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.76,
      "Al2O3": 12.41,
      "B2O3": 5.64,
      "Na2O": 4.1,
      "K2O": 1.61,
      "MgO": 3.44,
      "CaO": 8.03,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.12,
      "CuO": 2.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 19.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3611",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.34,
      "Al2O3": 12.73,
      "B2O3": 5.79,
      "Na2O": 4.2,
      "K2O": 1.65,
      "MgO": 3.53,
      "CaO": 8.24,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.12,
      "CoO": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 19.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "3612",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.22,
      "Al2O3": 9.61,
      "B2O3": 3.62,
      "Na2O": 3.19,
      "K2O": 1.3,
      "MgO": 3.22,
      "CaO": 9.12,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "CoO": 0.35,
      "ZnO": 2.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "3658",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.84,
      "Al2O3": 8.81,
      "B2O3": 3.84,
      "Na2O": 5.02,
      "K2O": 0.07,
      "MgO": 5.46,
      "CaO": 9.96,
      "P2O5": 4.42,
      "TiO2": 0.03,
      "Fe2O3": 13.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 39.6
      },
      {
        "material": "gerstley borate",
        "amount": 15.1
      },
      {
        "material": "silica",
        "amount": 12.8
      },
      {
        "material": "talc",
        "amount": 11.7
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "ep kaolin",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 10.1
      },
      {
        "material": "yellow iron oxide",
        "amount": 5.2
      },
      {
        "material": "total",
        "amount": 115.2
      }
    ]
  },
  {
    "id": "3661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.72,
      "Al2O3": 16.62,
      "B2O3": 2.41,
      "Li2O": 0.45,
      "Na2O": 6.39,
      "K2O": 3.95,
      "MgO": 0.08,
      "CaO": 0.88,
      "SrO": 11.47,
      "TiO2": 4.18,
      "Fe2O3": 0.14,
      "CuO": 4.09,
      "ZnO": 0.18,
      "F": 0.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium fluoride",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 120.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "ammonium sulfate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 130.5
      }
    ]
  },
  {
    "id": "3667",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.36,
      "Al2O3": 8.36,
      "Li2O": 1.52,
      "Na2O": 0.06,
      "K2O": 7.4,
      "MgO": 6.26,
      "CaO": 7.84,
      "P2O5": 5.94,
      "Fe2O3": 10.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.7
      },
      {
        "material": "talc",
        "amount": 20.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "3668",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.31,
      "Al2O3": 13.58,
      "Na2O": 0.01,
      "K2O": 6.6,
      "MgO": 0.02,
      "CaO": 10.33,
      "P2O5": 0.05,
      "TiO2": 4.41,
      "Fe2O3": 9.79,
      "ZnO": 2.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3669",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.66,
      "Al2O3": 8.37,
      "B2O3": 6.51,
      "Na2O": 1.04,
      "K2O": 7.22,
      "MgO": 0.89,
      "CaO": 11.54,
      "SrO": 3.1,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Cr2O3": 1.1,
      "Fe2O3": 0.17,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "3670",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.38,
      "Al2O3": 15.37,
      "B2O3": 2.64,
      "Na2O": 1.22,
      "K2O": 6.03,
      "MgO": 4.91,
      "CaO": 6.43,
      "P2O5": 0.05,
      "TiO2": 4.38,
      "FeO": 0.03,
      "Fe2O3": 0.68,
      "SnO2": 2.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 16.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "iron spangles",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "3675",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 13.62,
      "B2O3": 1.63,
      "Li2O": 1.96,
      "Na2O": 0.82,
      "K2O": 0.22,
      "MgO": 5.44,
      "CaO": 8.95,
      "TiO2": 0.25,
      "Fe2O3": 1.94,
      "SnO2": 5.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 23.3
      },
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "yellow ochre",
        "amount": 3.0
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3676",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.49,
      "Al2O3": 15.12,
      "B2O3": 10.43,
      "Li2O": 1.68,
      "Na2O": 5.04,
      "K2O": 0.19,
      "MgO": 0.0,
      "CaO": 8.95,
      "Fe2O3": 0.0,
      "CuO": 2.29,
      "SnO2": 12.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 50.0
      },
      {
        "material": "kaolin",
        "amount": 36.0
      },
      {
        "material": "tin oxide",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.5
      },
      {
        "material": "nepheline syenite",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 116.5
      }
    ]
  },
  {
    "id": "3677",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.91,
      "Al2O3": 13.75,
      "Li2O": 1.39,
      "Na2O": 0.82,
      "K2O": 5.36,
      "MgO": 4.35,
      "CaO": 8.05,
      "TiO2": 0.03,
      "ZrO2": 5.82,
      "Cr2O3": 0.87,
      "MnO2": 3.01,
      "Fe2O3": 0.16,
      "CoO": 0.55,
      "SnO2": 6.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "cornwall stone",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 22.4
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.9
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 128.9
      }
    ]
  },
  {
    "id": "3678",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.86,
      "Al2O3": 12.04,
      "K2O": 9.47,
      "MgO": 2.83,
      "CaO": 5.97,
      "P2O5": 2.26,
      "TiO2": 4.0,
      "Fe2O3": 10.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 63.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "bone ash",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "3681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.46,
      "Al2O3": 14.64,
      "B2O3": 4.3,
      "Na2O": 1.46,
      "K2O": 0.18,
      "MgO": 0.0,
      "CaO": 15.51,
      "TiO2": 5.14,
      "Fe2O3": 0.57,
      "CoO": 0.6,
      "CuO": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "3682",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.04,
      "Al2O3": 11.81,
      "B2O3": 4.45,
      "Na2O": 2.6,
      "K2O": 2.5,
      "MgO": 2.12,
      "CaO": 8.35,
      "TiO2": 9.1,
      "Fe2O3": 5.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3683",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.8,
      "Al2O3": 14.74,
      "B2O3": 4.33,
      "Na2O": 1.46,
      "K2O": 0.18,
      "MgO": 0.0,
      "CaO": 15.61,
      "TiO2": 5.17,
      "Fe2O3": 0.57,
      "CoO": 0.9,
      "CuO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "3684",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.87,
      "Al2O3": 13.82,
      "B2O3": 4.81,
      "Na2O": 1.57,
      "K2O": 0.17,
      "MgO": 0.0,
      "CaO": 14.94,
      "TiO2": 4.99,
      "Fe2O3": 5.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3685",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.72,
      "Al2O3": 12.38,
      "B2O3": 7.55,
      "Na2O": 3.45,
      "K2O": 2.24,
      "MgO": 0.07,
      "CaO": 6.53,
      "TiO2": 5.43,
      "Fe2O3": 0.8,
      "CoO": 0.61,
      "CuO": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 34.4
      },
      {
        "material": "ball clay",
        "amount": 23.4
      },
      {
        "material": "silica",
        "amount": 19.7
      },
      {
        "material": "potash feldspar",
        "amount": 12.5
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3688",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.64,
      "Al2O3": 7.48,
      "B2O3": 1.57,
      "Li2O": 1.23,
      "Na2O": 9.14,
      "K2O": 1.43,
      "MgO": 0.04,
      "CaO": 3.77,
      "SrO": 6.38,
      "Fe2O3": 0.07,
      "CuO": 3.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 59.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.97,
      "Al2O3": 11.94,
      "B2O3": 1.14,
      "Na2O": 0.51,
      "K2O": 5.92,
      "MgO": 4.59,
      "CaO": 6.92,
      "TiO2": 10.7,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3691",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.75,
      "Al2O3": 14.06,
      "Na2O": 2.19,
      "K2O": 2.85,
      "MgO": 0.09,
      "CaO": 23.67,
      "TiO2": 3.19,
      "Fe2O3": 0.47,
      "CoO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 35.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3692",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.89,
      "Al2O3": 14.64,
      "K2O": 9.5,
      "MgO": 1.18,
      "CaO": 12.56,
      "FeO": 0.04,
      "Fe2O3": 0.07,
      "ZnO": 10.8,
      "SnO2": 4.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "iron spangles",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "3693",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.92,
      "Al2O3": 14.88,
      "B2O3": 4.8,
      "Na2O": 1.57,
      "K2O": 0.17,
      "MgO": 0.01,
      "CaO": 14.91,
      "TiO2": 4.98,
      "Fe2O3": 1.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "yellow ochre",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3694",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.55,
      "Al2O3": 16.15,
      "Li2O": 1.15,
      "Na2O": 3.65,
      "K2O": 1.71,
      "MgO": 0.04,
      "CaO": 6.46,
      "SrO": 7.99,
      "Fe2O3": 0.04,
      "CoO": 0.34,
      "CuO": 0.69,
      "ZnO": 6.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.95
      },
      {
        "material": "kaolin",
        "amount": 17.43
      },
      {
        "material": "silica",
        "amount": 16.42
      },
      {
        "material": "wollastonite",
        "amount": 12.04
      },
      {
        "material": "strontium carbonate",
        "amount": 10.68
      },
      {
        "material": "zinc oxide",
        "amount": 5.84
      },
      {
        "material": "lithium carbonate",
        "amount": 2.65
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.51
      }
    ]
  },
  {
    "id": "3695",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.22,
      "Al2O3": 9.71,
      "B2O3": 14.94,
      "Na2O": 2.3,
      "K2O": 0.25,
      "MgO": 2.0,
      "CaO": 10.84,
      "P2O5": 0.06,
      "TiO2": 0.06,
      "Cr2O3": 2.28,
      "Fe2O3": 0.3,
      "CoO": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3696",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.13,
      "Al2O3": 2.59,
      "B2O3": 1.37,
      "Li2O": 1.18,
      "Na2O": 7.91,
      "K2O": 1.23,
      "CaO": 3.27,
      "Cr2O3": 0.1,
      "CoO": 0.06,
      "NiO": 0.1,
      "ZnO": 23.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 54.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "calcined kaolin",
        "amount": 1.52
      },
      {
        "material": "total base recipe",
        "amount": 105.52
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "black nickel oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.82
      }
    ]
  },
  {
    "id": "3697",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.44,
      "Al2O3": 14.86,
      "B2O3": 4.5,
      "Li2O": 0.31,
      "Na2O": 0.47,
      "K2O": 6.28,
      "MgO": 3.87,
      "CaO": 8.96,
      "BaO": 0.0,
      "TiO2": 0.24,
      "Fe2O3": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 46.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "frit p 2962",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "calcium borate frit",
        "amount": 7.0
      },
      {
        "material": "petalite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3698",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.04,
      "Al2O3": 15.75,
      "B2O3": 5.74,
      "Na2O": 1.37,
      "K2O": 1.85,
      "MgO": 2.36,
      "CaO": 12.83,
      "TiO2": 0.06,
      "Fe2O3": 8.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 40.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "calcium borate frit",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3699",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.93,
      "Al2O3": 18.36,
      "K2O": 9.03,
      "CaO": 13.17,
      "TiO2": 2.88,
      "Fe2O3": 3.36,
      "ZnO": 4.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3700",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.17,
      "Al2O3": 11.54,
      "Na2O": 5.7,
      "K2O": 0.02,
      "MgO": 5.47,
      "CaO": 9.56,
      "Fe2O3": 0.08,
      "CoO": 0.79,
      "ZnO": 5.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "3701",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.98,
      "Al2O3": 10.72,
      "Na2O": 0.06,
      "K2O": 6.68,
      "MgO": 0.04,
      "CaO": 8.19,
      "TiO2": 9.82,
      "Fe2O3": 0.15,
      "CoO": 0.72,
      "CuO": 0.97,
      "ZnO": 9.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 111.8
      }
    ]
  },
  {
    "id": "3702",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.55,
      "Al2O3": 15.41,
      "Li2O": 1.14,
      "Na2O": 9.37,
      "MgO": 1.09,
      "CaO": 1.52,
      "TiO2": 4.79,
      "ZnO": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 76.2
      },
      {
        "material": "silica",
        "amount": 8.7
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "titanium dioxide",
        "amount": 4.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3703",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.41,
      "Al2O3": 7.26,
      "B2O3": 1.27,
      "Li2O": 0.84,
      "Na2O": 9.24,
      "K2O": 1.16,
      "MgO": 0.04,
      "CaO": 6.51,
      "Fe2O3": 0.07,
      "CuO": 2.05,
      "ZnO": 5.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "soda feldspar",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "3706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.48,
      "Al2O3": 12.78,
      "Na2O": 6.24,
      "CaO": 6.37,
      "MnO2": 2.14,
      "Fe2O3": 8.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 55.8
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.6
      },
      {
        "material": "manganese dioxide",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 102.6
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "3707",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.48,
      "Al2O3": 12.07,
      "B2O3": 1.08,
      "Li2O": 1.64,
      "Na2O": 0.16,
      "K2O": 8.88,
      "MgO": 1.91,
      "CaO": 11.11,
      "P2O5": 5.98,
      "TiO2": 0.0,
      "Fe2O3": 7.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3709",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.06,
      "Al2O3": 15.39,
      "B2O3": 2.59,
      "Na2O": 2.82,
      "K2O": 1.35,
      "MgO": 0.04,
      "CaO": 13.15,
      "Fe2O3": 1.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.5
      },
      {
        "material": "nepheline syenite",
        "amount": 26.1
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 18.7
      },
      {
        "material": "calcium borate frit",
        "amount": 4.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "3710",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.59,
      "Al2O3": 10.36,
      "Na2O": 0.07,
      "K2O": 7.3,
      "MgO": 0.04,
      "CaO": 8.71,
      "Fe2O3": 0.08,
      "CuO": 1.39,
      "ZnO": 12.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "zinc oxide",
        "amount": 11.5
      },
      {
        "material": "kaolin",
        "amount": 4.7
      },
      {
        "material": "total base recipe",
        "amount": 96.1
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "3711",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.99,
      "Al2O3": 9.77,
      "Na2O": 0.04,
      "K2O": 7.0,
      "MgO": 0.97,
      "CaO": 3.41,
      "BaO": 7.07,
      "TiO2": 4.05,
      "FeO": 3.56,
      "Fe2O3": 0.09,
      "ZnO": 6.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.6
      },
      {
        "material": "silica",
        "amount": 22.9
      },
      {
        "material": "ball clay",
        "amount": 8.6
      },
      {
        "material": "barium carbonate",
        "amount": 8.6
      },
      {
        "material": "ilmenite",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 5.7
      },
      {
        "material": "zinc oxide",
        "amount": 5.7
      },
      {
        "material": "talc",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3712",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.89,
      "Al2O3": 13.08,
      "B2O3": 3.04,
      "Na2O": 4.3,
      "K2O": 1.85,
      "MgO": 6.46,
      "CaO": 4.67,
      "P2O5": 0.01,
      "TiO2": 5.43,
      "Fe2O3": 0.68,
      "CuO": 2.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.1
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 13.9
      },
      {
        "material": "gerstley borate",
        "amount": 11.3
      },
      {
        "material": "kaolin",
        "amount": 9.5
      },
      {
        "material": "dolomite",
        "amount": 7.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "3713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.8,
      "Al2O3": 13.07,
      "B2O3": 3.64,
      "Li2O": 1.27,
      "Na2O": 0.89,
      "K2O": 1.3,
      "MgO": 5.01,
      "CaO": 9.71,
      "P2O5": 0.01,
      "TiO2": 0.17,
      "ZrO2": 15.22,
      "Fe2O3": 2.1,
      "CuO": 1.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 34.0
      },
      {
        "material": "zircopax",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "spodumene",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "3716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.88,
      "Al2O3": 11.62,
      "B2O3": 2.07,
      "Na2O": 0.92,
      "K2O": 6.82,
      "MgO": 2.89,
      "CaO": 10.82,
      "TiO2": 5.44,
      "Fe2O3": 0.6,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "3717",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.47,
      "Al2O3": 15.61,
      "B2O3": 7.0,
      "Na2O": 7.15,
      "K2O": 1.89,
      "MgO": 0.08,
      "CaO": 6.3,
      "TiO2": 3.37,
      "Fe2O3": 2.26,
      "CoO": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 32.8
      },
      {
        "material": "kaolin",
        "amount": 13.7
      },
      {
        "material": "silica",
        "amount": 10.3
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.1
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.1
      }
    ]
  },
  {
    "id": "3718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.71,
      "Al2O3": 15.98,
      "B2O3": 2.64,
      "Na2O": 1.04,
      "K2O": 0.18,
      "MgO": 0.0,
      "CaO": 16.37,
      "TiO2": 5.25,
      "Fe2O3": 0.58,
      "CoO": 0.31,
      "CuO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 12.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3719",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 36.42,
      "Al2O3": 12.0,
      "Li2O": 0.68,
      "Na2O": 4.32,
      "BaO": 34.4,
      "NiO": 1.66,
      "ZnO": 10.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "soda feldspar",
        "amount": 33.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.5
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "3720",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.71,
      "Al2O3": 5.3,
      "B2O3": 7.42,
      "Na2O": 3.37,
      "K2O": 0.17,
      "MgO": 0.06,
      "CaO": 16.82,
      "TiO2": 3.57,
      "Fe2O3": 0.56,
      "CoO": 2.15,
      "CuO": 1.88,
      "PbO": 4.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.7
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "ball clay",
        "amount": 15.8
      },
      {
        "material": "whiting",
        "amount": 15.8
      },
      {
        "material": "calcium molybdate (powellite)",
        "amount": 5.1
      },
      {
        "material": "lead monosilicate frit",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 3.2
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.9
      },
      {
        "material": "black copper oxide",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "3721",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.92,
      "Al2O3": 14.03,
      "B2O3": 1.54,
      "Li2O": 1.85,
      "Na2O": 0.83,
      "K2O": 0.23,
      "MgO": 5.17,
      "CaO": 8.46,
      "TiO2": 0.23,
      "Fe2O3": 2.77,
      "SnO2": 4.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 23.3
      },
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 7.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "3723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.51,
      "Al2O3": 10.8,
      "B2O3": 6.05,
      "Na2O": 0.91,
      "K2O": 9.38,
      "MgO": 0.8,
      "CaO": 8.6,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "CuO": 2.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 51.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3725",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.83,
      "Al2O3": 17.29,
      "Li2O": 0.43,
      "Na2O": 6.21,
      "K2O": 2.99,
      "MgO": 0.09,
      "CaO": 0.47,
      "SrO": 14.73,
      "TiO2": 0.1,
      "Fe2O3": 0.17,
      "CoO": 0.99,
      "CuO": 2.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "3726",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.45,
      "Al2O3": 12.77,
      "B2O3": 1.55,
      "Li2O": 1.87,
      "Na2O": 0.84,
      "K2O": 0.23,
      "MgO": 5.22,
      "CaO": 8.53,
      "TiO2": 5.79,
      "FeO": 0.95,
      "Fe2O3": 0.8,
      "SnO2": 5.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 23.3
      },
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "granular ilmenite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "3727",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.15,
      "Al2O3": 10.13,
      "B2O3": 3.79,
      "Na2O": 0.59,
      "K2O": 8.16,
      "MgO": 1.88,
      "CaO": 9.36,
      "P2O5": 0.01,
      "TiO2": 1.97,
      "ZrO2": 3.59,
      "Fe2O3": 0.31,
      "CuO": 4.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.4
      },
      {
        "material": "silica",
        "amount": 19.8
      },
      {
        "material": "gerstley borate",
        "amount": 14.3
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "dolomite",
        "amount": 6.3
      },
      {
        "material": "kaolin",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "copper carbonate",
        "amount": 6.4
      },
      {
        "material": "zircopax",
        "amount": 5.4
      },
      {
        "material": "rutile",
        "amount": 2.2
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 114.9
      }
    ]
  },
  {
    "id": "3728",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 9.02,
      "B2O3": 2.26,
      "Na2O": 2.22,
      "K2O": 1.05,
      "MgO": 5.34,
      "CaO": 8.81,
      "P2O5": 3.17,
      "TiO2": 0.19,
      "Fe2O3": 10.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.2
      },
      {
        "material": "ball clay",
        "amount": 18.6
      },
      {
        "material": "nepheline syenite",
        "amount": 18.6
      },
      {
        "material": "dolomite",
        "amount": 9.3
      },
      {
        "material": "talc",
        "amount": 9.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.5
      },
      {
        "material": "bone ash",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "3736",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.15,
      "Al2O3": 12.07,
      "K2O": 7.2,
      "CaO": 8.95,
      "BaO": 4.13,
      "V2O5": 3.19,
      "ZnO": 5.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "vanadium pentoxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3737",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.61,
      "Al2O3": 10.24,
      "B2O3": 2.95,
      "Na2O": 3.01,
      "K2O": 1.25,
      "MgO": 0.41,
      "CaO": 13.22,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.34,
      "Fe2O3": 0.07,
      "SnO2": 7.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.5
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.5
      },
      {
        "material": "kaolin",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.32
      },
      {
        "material": "total",
        "amount": 107.82
      }
    ]
  },
  {
    "id": "3738",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.06,
      "Al2O3": 16.08,
      "B2O3": 0.91,
      "Na2O": 6.01,
      "K2O": 0.82,
      "MgO": 1.81,
      "CaO": 8.91,
      "BaO": 1.28,
      "P2O5": 0.0,
      "TiO2": 5.59,
      "Fe2O3": 0.65,
      "CuO": 0.67,
      "ZnO": 6.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 12.6
      },
      {
        "material": "kaolin",
        "amount": 12.3
      },
      {
        "material": "silica",
        "amount": 7.3
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "dolomite",
        "amount": 2.6
      },
      {
        "material": "barium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3754",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.73,
      "Al2O3": 19.1,
      "Na2O": 0.62,
      "K2O": 7.87,
      "MgO": 0.03,
      "CaO": 10.87,
      "TiO2": 4.72,
      "Fe2O3": 0.55,
      "CuO": 1.34,
      "ZnO": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "cornwall stone",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3755",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.83,
      "Al2O3": 11.24,
      "Na2O": 0.06,
      "K2O": 5.74,
      "MgO": 0.04,
      "CaO": 10.27,
      "Fe2O3": 0.07,
      "NiO": 1.93,
      "CuO": 1.24,
      "ZnO": 11.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3769",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.69,
      "Al2O3": 11.09,
      "B2O3": 5.58,
      "Na2O": 2.54,
      "K2O": 3.52,
      "MgO": 1.54,
      "CaO": 6.91,
      "TiO2": 5.08,
      "Fe2O3": 0.63,
      "CuO": 2.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "3771",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.59,
      "Al2O3": 5.72,
      "B2O3": 1.77,
      "Li2O": 0.87,
      "Na2O": 2.53,
      "K2O": 1.08,
      "MgO": 3.41,
      "CaO": 8.71,
      "SrO": 9.45,
      "P2O5": 0.01,
      "TiO2": 3.47,
      "Fe2O3": 0.5,
      "CoO": 0.67,
      "SnO2": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "strontium carbonate",
        "amount": 12.6
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "gerstley borate",
        "amount": 6.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.1
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.6
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.6
      }
    ]
  },
  {
    "id": "3772",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.12,
      "Al2O3": 10.97,
      "Na2O": 1.41,
      "K2O": 4.42,
      "MgO": 3.33,
      "CaO": 9.63,
      "Fe2O3": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 38.1
      },
      {
        "material": "silica",
        "amount": 28.6
      },
      {
        "material": "whiting",
        "amount": 15.9
      },
      {
        "material": "talc",
        "amount": 9.5
      },
      {
        "material": "kaolin",
        "amount": 7.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "3773",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.39,
      "Al2O3": 9.05,
      "B2O3": 0.4,
      "Na2O": 1.69,
      "K2O": 4.71,
      "MgO": 2.13,
      "CaO": 12.57,
      "Fe2O3": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 39.6
      },
      {
        "material": "silica",
        "amount": 29.7
      },
      {
        "material": "whiting",
        "amount": 19.8
      },
      {
        "material": "talc",
        "amount": 5.9
      },
      {
        "material": "kaolin",
        "amount": 2.0
      },
      {
        "material": "standard borax frit",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3774",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.11,
      "Al2O3": 10.83,
      "B2O3": 3.2,
      "Na2O": 5.6,
      "K2O": 2.16,
      "MgO": 1.88,
      "CaO": 9.41,
      "BaO": 0.54,
      "Fe2O3": 0.16,
      "CuO": 0.3,
      "SnO2": 0.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.8
      },
      {
        "material": "silica",
        "amount": 27.6
      },
      {
        "material": "mok1 borax frit",
        "amount": 18.4
      },
      {
        "material": "dolomite",
        "amount": 7.5
      },
      {
        "material": "whiting",
        "amount": 7.5
      },
      {
        "material": "tin oxide",
        "amount": 0.75
      },
      {
        "material": "yellow ochre",
        "amount": 0.5
      },
      {
        "material": "black copper oxide",
        "amount": 0.28
      },
      {
        "material": "total",
        "amount": 100.33
      }
    ]
  },
  {
    "id": "3775",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.67,
      "Al2O3": 9.56,
      "Na2O": 4.02,
      "K2O": 1.89,
      "MgO": 0.04,
      "CaO": 14.15,
      "BaO": 5.56,
      "Fe2O3": 0.04,
      "CuO": 0.79,
      "ZnO": 4.14,
      "SnO2": 4.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.7
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "whiting",
        "amount": 22.1
      },
      {
        "material": "barium carbonate",
        "amount": 6.4
      },
      {
        "material": "tin oxide",
        "amount": 3.7
      },
      {
        "material": "zinc oxide",
        "amount": 3.7
      },
      {
        "material": "copper carbonate",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "3776",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.3,
      "Al2O3": 9.87,
      "B2O3": 3.32,
      "Li2O": 0.27,
      "Na2O": 2.92,
      "K2O": 4.25,
      "MgO": 0.05,
      "CaO": 10.5,
      "CuO": 0.36,
      "SnO2": 1.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 35.4
      },
      {
        "material": "silica",
        "amount": 26.4
      },
      {
        "material": "standard borax frit",
        "amount": 17.1
      },
      {
        "material": "whiting",
        "amount": 13.1
      },
      {
        "material": "petalite",
        "amount": 5.2
      },
      {
        "material": "kaolin",
        "amount": 1.7
      },
      {
        "material": "tin oxide",
        "amount": 1.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.53
      },
      {
        "material": "total",
        "amount": 100.53
      }
    ]
  },
  {
    "id": "3778",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.56,
      "Al2O3": 16.7,
      "Na2O": 1.53,
      "K2O": 4.79,
      "MgO": 0.06,
      "CaO": 14.48,
      "TiO2": 4.73,
      "CoO": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 39.6
      },
      {
        "material": "whiting",
        "amount": 22.9
      },
      {
        "material": "kaolin",
        "amount": 18.8
      },
      {
        "material": "silica",
        "amount": 14.6
      },
      {
        "material": "titanium dioxide",
        "amount": 4.2
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "3779",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.03,
      "Al2O3": 9.76,
      "Na2O": 1.44,
      "K2O": 4.47,
      "MgO": 1.05,
      "CaO": 3.42,
      "BaO": 7.05,
      "TiO2": 4.07,
      "FeO": 3.58,
      "Fe2O3": 0.09,
      "ZnO": 6.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 38.57
      },
      {
        "material": "silica",
        "amount": 22.87
      },
      {
        "material": "ball clay",
        "amount": 8.57
      },
      {
        "material": "barium carbonate",
        "amount": 8.57
      },
      {
        "material": "ilmenite",
        "amount": 7.14
      },
      {
        "material": "whiting",
        "amount": 5.71
      },
      {
        "material": "zinc oxide",
        "amount": 5.71
      },
      {
        "material": "talc",
        "amount": 2.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3780",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.02,
      "Al2O3": 11.72,
      "Na2O": 1.52,
      "K2O": 4.7,
      "MgO": 1.31,
      "CaO": 3.58,
      "BaO": 7.32,
      "TiO2": 4.29,
      "FeO": 3.72,
      "Fe2O3": 0.16,
      "ZnO": 5.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 39.71
      },
      {
        "material": "ball clay",
        "amount": 14.71
      },
      {
        "material": "silica",
        "amount": 14.71
      },
      {
        "material": "barium carbonate",
        "amount": 8.82
      },
      {
        "material": "ilmenite",
        "amount": 7.35
      },
      {
        "material": "whiting",
        "amount": 5.88
      },
      {
        "material": "zinc oxide",
        "amount": 5.29
      },
      {
        "material": "talc",
        "amount": 3.53
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3781",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.69,
      "Al2O3": 16.82,
      "Na2O": 3.55,
      "K2O": 1.92,
      "MgO": 0.14,
      "CaO": 17.15,
      "TiO2": 0.35,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.33
      },
      {
        "material": "nepheline syenite",
        "amount": 33.33
      },
      {
        "material": "wollastonite",
        "amount": 33.33
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "3782",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.68,
      "Al2O3": 15.78,
      "Li2O": 0.84,
      "Na2O": 0.61,
      "K2O": 2.43,
      "MgO": 2.06,
      "CaO": 4.44,
      "TiO2": 0.3,
      "Fe2O3": 10.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 70.74
      },
      {
        "material": "petalite",
        "amount": 16.08
      },
      {
        "material": "yellow ochre",
        "amount": 8.36
      },
      {
        "material": "red iron oxide",
        "amount": 4.82
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3783",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.33,
      "Al2O3": 11.87,
      "B2O3": 0.93,
      "Li2O": 0.62,
      "Na2O": 1.64,
      "K2O": 4.7,
      "MgO": 2.84,
      "CaO": 7.84,
      "P2O5": 5.36,
      "TiO2": 0.08,
      "Fe2O3": 6.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ngp potassium feldspar",
        "amount": 37.22
      },
      {
        "material": "bone ash",
        "amount": 12.41
      },
      {
        "material": "petalite",
        "amount": 12.41
      },
      {
        "material": "silica",
        "amount": 9.93
      },
      {
        "material": "talc",
        "amount": 8.68
      },
      {
        "material": "ball clay",
        "amount": 7.44
      },
      {
        "material": "red iron oxide",
        "amount": 6.95
      },
      {
        "material": "standard borax frit",
        "amount": 4.96
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3784",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.73,
      "Al2O3": 6.58,
      "Li2O": 3.12,
      "Na2O": 1.02,
      "K2O": 3.18,
      "MgO": 0.88,
      "CaO": 1.16,
      "BaO": 3.71,
      "TiO2": 0.86,
      "MnO": 0.24,
      "Fe2O3": 2.1,
      "CoO": 1.34,
      "ZnO": 20.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "nr potassium feldspar",
        "amount": 28.4
      },
      {
        "material": "zinc oxide",
        "amount": 19.26
      },
      {
        "material": "lithium carbonate",
        "amount": 7.34
      },
      {
        "material": "barium carbonate",
        "amount": 4.58
      },
      {
        "material": "dolomite",
        "amount": 3.66
      },
      {
        "material": "kaolin",
        "amount": 2.75
      },
      {
        "material": "red iron oxide",
        "amount": 2.02
      },
      {
        "material": "cobalt oxide",
        "amount": 1.38
      },
      {
        "material": "rutile",
        "amount": 0.92
      },
      {
        "material": "manganese carbonate",
        "amount": 0.37
      },
      {
        "material": "total",
        "amount": 103.68
      }
    ]
  },
  {
    "id": "3785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.45,
      "Al2O3": 6.56,
      "Li2O": 2.96,
      "Na2O": 1.01,
      "K2O": 3.16,
      "MgO": 0.85,
      "CaO": 1.13,
      "BaO": 3.67,
      "TiO2": 3.84,
      "Fe2O3": 0.42,
      "CoO": 1.05,
      "ZnO": 19.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.2
      },
      {
        "material": "nr potassium feldspar",
        "amount": 27.6
      },
      {
        "material": "zinc oxide",
        "amount": 18.7
      },
      {
        "material": "lithium carbonate",
        "amount": 6.82
      },
      {
        "material": "barium carbonate",
        "amount": 4.44
      },
      {
        "material": "rutile",
        "amount": 4.01
      },
      {
        "material": "dolomite",
        "amount": 3.48
      },
      {
        "material": "kaolin",
        "amount": 2.75
      },
      {
        "material": "cobalt oxide",
        "amount": 1.06
      },
      {
        "material": "total",
        "amount": 101.06
      }
    ]
  },
  {
    "id": "3787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.58,
      "Al2O3": 6.6,
      "Li2O": 3.25,
      "Na2O": 1.02,
      "K2O": 3.2,
      "MgO": 0.85,
      "CaO": 1.13,
      "BaO": 3.75,
      "TiO2": 2.05,
      "Fe2O3": 2.39,
      "ZnO": 20.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "nr potassium feldspar",
        "amount": 28.8
      },
      {
        "material": "zinc oxide",
        "amount": 19.5
      },
      {
        "material": "lithium carbonate",
        "amount": 7.7
      },
      {
        "material": "barium carbonate",
        "amount": 4.67
      },
      {
        "material": "dolomite",
        "amount": 3.57
      },
      {
        "material": "kaolin",
        "amount": 2.75
      },
      {
        "material": "red iron oxide",
        "amount": 2.2
      },
      {
        "material": "rutile",
        "amount": 2.2
      },
      {
        "material": "total",
        "amount": 104.39
      }
    ]
  },
  {
    "id": "3788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.05,
      "Al2O3": 6.81,
      "Li2O": 3.12,
      "Na2O": 1.02,
      "K2O": 3.19,
      "MgO": 0.85,
      "CaO": 1.12,
      "BaO": 3.52,
      "TiO2": 2.04,
      "Fe2O3": 0.22,
      "CoO": 0.12,
      "CuO": 1.14,
      "ZnO": 19.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "nr potassium feldspar",
        "amount": 28.5
      },
      {
        "material": "zinc oxide",
        "amount": 19.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.34
      },
      {
        "material": "barium carbonate",
        "amount": 4.35
      },
      {
        "material": "dolomite",
        "amount": 3.53
      },
      {
        "material": "kaolin",
        "amount": 3.26
      },
      {
        "material": "rutile",
        "amount": 2.17
      },
      {
        "material": "black copper oxide",
        "amount": 1.09
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.19
      },
      {
        "material": "total",
        "amount": 103.43
      }
    ]
  },
  {
    "id": "3789",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.59,
      "Al2O3": 6.63,
      "Li2O": 3.19,
      "Na2O": 1.01,
      "K2O": 3.16,
      "MgO": 0.84,
      "CaO": 1.11,
      "BaO": 3.69,
      "TiO2": 1.26,
      "MnO": 0.86,
      "Fe2O3": 1.74,
      "CuO": 0.84,
      "ZnO": 20.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.3
      },
      {
        "material": "nr potassium feldspar",
        "amount": 28.5
      },
      {
        "material": "zinc oxide",
        "amount": 19.5
      },
      {
        "material": "lithium carbonate",
        "amount": 7.59
      },
      {
        "material": "barium carbonate",
        "amount": 4.61
      },
      {
        "material": "dolomite",
        "amount": 3.52
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.63
      },
      {
        "material": "manganese carbonate",
        "amount": 1.36
      },
      {
        "material": "rutile",
        "amount": 1.36
      },
      {
        "material": "black copper oxide",
        "amount": 0.81
      },
      {
        "material": "total",
        "amount": 105.18
      }
    ]
  },
  {
    "id": "3790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.15,
      "Al2O3": 4.6,
      "B2O3": 2.8,
      "Li2O": 0.33,
      "Na2O": 1.52,
      "K2O": 0.29,
      "MgO": 0.14,
      "CaO": 1.92,
      "BaO": 8.01,
      "TiO2": 2.94,
      "MnO": 1.22,
      "Fe2O3": 0.44,
      "CoO": 0.81,
      "ZnO": 25.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc barium frit 90420",
        "amount": 26.4
      },
      {
        "material": "silica",
        "amount": 23.1
      },
      {
        "material": "zinc oxide",
        "amount": 22.1
      },
      {
        "material": "mok1 borax frit",
        "amount": 17.5
      },
      {
        "material": "kaolin",
        "amount": 4.3
      },
      {
        "material": "bentonite",
        "amount": 3.3
      },
      {
        "material": "rutile",
        "amount": 3.3
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 103.3
      }
    ]
  },
  {
    "id": "3791",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.05,
      "Al2O3": 4.75,
      "B2O3": 2.86,
      "Li2O": 0.33,
      "Na2O": 1.55,
      "K2O": 0.3,
      "MgO": 0.14,
      "CaO": 1.96,
      "BaO": 8.11,
      "TiO2": 3.6,
      "Fe2O3": 1.27,
      "ZnO": 26.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc barium frit 90420",
        "amount": 26.4
      },
      {
        "material": "silica",
        "amount": 22.2
      },
      {
        "material": "zinc oxide",
        "amount": 22.0
      },
      {
        "material": "mok1 borax frit",
        "amount": 17.6
      },
      {
        "material": "kaolin",
        "amount": 4.5
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.3
      },
      {
        "material": "red iron oxide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 100.8
      }
    ]
  },
  {
    "id": "3792",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.88,
      "Al2O3": 12.2,
      "Na2O": 2.28,
      "K2O": 7.16,
      "MgO": 3.67,
      "CaO": 4.98,
      "Fe2O3": 4.8,
      "CoO": 1.89,
      "ZnO": 18.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 65.9
      },
      {
        "material": "zinc oxide",
        "amount": 17.95
      },
      {
        "material": "dolomite",
        "amount": 16.15
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.78,
      "Al2O3": 12.45,
      "Na2O": 2.33,
      "K2O": 7.3,
      "MgO": 3.82,
      "CaO": 5.18,
      "TiO2": 3.05,
      "Fe2O3": 0.34,
      "CoO": 1.07,
      "ZnO": 18.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 63.49
      },
      {
        "material": "zinc oxide",
        "amount": 17.46
      },
      {
        "material": "dolomite",
        "amount": 15.87
      },
      {
        "material": "rutile",
        "amount": 3.17
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.59
      },
      {
        "material": "total",
        "amount": 101.58
      }
    ]
  },
  {
    "id": "3794",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.92,
      "Al2O3": 16.43,
      "Na2O": 6.52,
      "K2O": 3.27,
      "MgO": 2.02,
      "CaO": 6.18,
      "TiO2": 1.67,
      "V2O5": 2.2,
      "Fe2O3": 0.63,
      "CoO": 2.74,
      "CuO": 2.93,
      "ZnO": 5.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 69.25
      },
      {
        "material": "wollastonite",
        "amount": 11.51
      },
      {
        "material": "albany slip discontinued",
        "amount": 7.7
      },
      {
        "material": "zinc oxide",
        "amount": 5.77
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.85
      },
      {
        "material": "cobalt oxide",
        "amount": 3.08
      },
      {
        "material": "black copper oxide",
        "amount": 3.08
      },
      {
        "material": "vanadium pentoxide",
        "amount": 2.31
      },
      {
        "material": "rutile",
        "amount": 1.92
      },
      {
        "material": "total",
        "amount": 108.47
      }
    ]
  },
  {
    "id": "3795",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.94,
      "Al2O3": 16.94,
      "Na2O": 6.66,
      "K2O": 3.16,
      "MgO": 1.1,
      "CaO": 4.67,
      "TiO2": 7.81,
      "Fe2O3": 1.55,
      "CoO": 1.92,
      "CuO": 0.31,
      "ZnO": 4.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 66.05
      },
      {
        "material": "rutile",
        "amount": 8.41
      },
      {
        "material": "silica",
        "amount": 6.91
      },
      {
        "material": "whiting",
        "amount": 4.82
      },
      {
        "material": "zinc oxide",
        "amount": 4.82
      },
      {
        "material": "ball clay",
        "amount": 4.51
      },
      {
        "material": "dolomite",
        "amount": 4.51
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "black copper oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.93
      }
    ]
  },
  {
    "id": "3796",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.36,
      "Al2O3": 24.5,
      "Na2O": 6.21,
      "K2O": 2.92,
      "MgO": 5.87,
      "CaO": 8.52,
      "Fe2O3": 0.06,
      "CuO": 0.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 1.25
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "3797",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.91,
      "Al2O3": 13.5,
      "Li2O": 0.92,
      "Na2O": 1.85,
      "K2O": 5.8,
      "MgO": 0.08,
      "CaO": 8.68,
      "BaO": 17.47,
      "CuO": 1.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 51.06
      },
      {
        "material": "barium carbonate",
        "amount": 21.28
      },
      {
        "material": "wollastonite",
        "amount": 17.02
      },
      {
        "material": "kaolin",
        "amount": 8.51
      },
      {
        "material": "lithium carbonate",
        "amount": 2.13
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "3798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.55,
      "Al2O3": 13.52,
      "Li2O": 1.48,
      "Na2O": 1.85,
      "K2O": 5.81,
      "MgO": 0.08,
      "CaO": 6.34,
      "BaO": 17.57,
      "CuO": 1.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 48.48
      },
      {
        "material": "barium carbonate",
        "amount": 20.28
      },
      {
        "material": "whiting",
        "amount": 10.14
      },
      {
        "material": "silica",
        "amount": 9.74
      },
      {
        "material": "kaolin",
        "amount": 8.07
      },
      {
        "material": "lithium carbonate",
        "amount": 3.25
      },
      {
        "material": "black copper oxide",
        "amount": 1.62
      },
      {
        "material": "total",
        "amount": 101.58
      }
    ]
  },
  {
    "id": "3799",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.54,
      "Al2O3": 15.16,
      "Na2O": 2.3,
      "K2O": 7.25,
      "MgO": 0.31,
      "CaO": 11.23,
      "TiO2": 7.24,
      "Fe2O3": 1.21,
      "CoO": 1.49,
      "ZnO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 59.4
      },
      {
        "material": "whiting",
        "amount": 17.5
      },
      {
        "material": "albany slip discontinued",
        "amount": 7.3
      },
      {
        "material": "rutile",
        "amount": 7.3
      },
      {
        "material": "kaolin",
        "amount": 4.66
      },
      {
        "material": "cobalt oxide",
        "amount": 1.46
      },
      {
        "material": "silica",
        "amount": 1.46
      },
      {
        "material": "zinc oxide",
        "amount": 1.16
      },
      {
        "material": "total",
        "amount": 100.24
      }
    ]
  },
  {
    "id": "3800",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.75,
      "Al2O3": 14.35,
      "Na2O": 2.33,
      "K2O": 7.33,
      "MgO": 0.25,
      "CaO": 11.32,
      "TiO2": 7.36,
      "Fe2O3": 7.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 64.35
      },
      {
        "material": "whiting",
        "amount": 18.93
      },
      {
        "material": "rutile",
        "amount": 7.89
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.68
      },
      {
        "material": "kaolin",
        "amount": 3.15
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.31
      },
      {
        "material": "total",
        "amount": 106.31
      }
    ]
  },
  {
    "id": "3802",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.01,
      "Al2O3": 9.75,
      "Na2O": 0.09,
      "K2O": 8.46,
      "MgO": 0.06,
      "CaO": 4.69,
      "BaO": 16.12,
      "Fe2O3": 0.11,
      "CuO": 0.67,
      "SnO2": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3803",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.68,
      "Al2O3": 10.9,
      "Na2O": 0.06,
      "K2O": 6.77,
      "MgO": 3.09,
      "CaO": 10.87,
      "TiO2": 0.21,
      "Fe2O3": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "hvar ball clay",
        "amount": 13.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 101.25
      }
    ]
  },
  {
    "id": "3805",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.27,
      "Al2O3": 10.94,
      "Na2O": 3.27,
      "K2O": 1.54,
      "MgO": 0.03,
      "CaO": 9.6,
      "Cr2O3": 0.49,
      "Fe2O3": 0.03,
      "SnO2": 9.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.0
      },
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "3807",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.26,
      "Al2O3": 12.8,
      "Na2O": 1.5,
      "K2O": 5.22,
      "MgO": 0.02,
      "CaO": 9.66,
      "TiO2": 0.01,
      "Fe2O3": 9.33,
      "ZnO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 48.5
      },
      {
        "material": "silica",
        "amount": 21.8
      },
      {
        "material": "whiting",
        "amount": 16.6
      },
      {
        "material": "new zealand halloysite",
        "amount": 10.9
      },
      {
        "material": "zinc oxide",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.8
      },
      {
        "material": "total",
        "amount": 109.8
      }
    ]
  },
  {
    "id": "3808",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.39,
      "Al2O3": 13.41,
      "Na2O": 0.04,
      "K2O": 10.11,
      "CaO": 5.44,
      "TiO2": 0.15,
      "Fe2O3": 7.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 60.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "hvar ball clay",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3809",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.23,
      "Al2O3": 13.16,
      "Na2O": 2.51,
      "K2O": 3.45,
      "MgO": 0.02,
      "CaO": 5.94,
      "TiO2": 0.07,
      "Fe2O3": 14.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "hyplas ball clay",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3812",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.08,
      "Al2O3": 18.54,
      "K2O": 9.12,
      "MgO": 4.72,
      "CaO": 12.58,
      "P2O5": 4.57,
      "SnO2": 5.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3818",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.11,
      "Al2O3": 13.22,
      "Na2O": 0.11,
      "K2O": 6.22,
      "MgO": 0.08,
      "CaO": 8.79,
      "P2O5": 6.61,
      "TiO2": 5.47,
      "Fe2O3": 0.85,
      "CoO": 0.3,
      "CuO": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.7
      },
      {
        "material": "ball clay",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "bone ash",
        "amount": 16.2
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "3858",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 10.31,
      "B2O3": 8.87,
      "Na2O": 5.87,
      "K2O": 2.51,
      "MgO": 0.08,
      "CaO": 8.65,
      "TiO2": 2.28,
      "Fe2O3": 0.35,
      "CuO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3859",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.81,
      "Al2O3": 13.29,
      "K2O": 5.49,
      "CaO": 9.22,
      "TiO2": 2.49,
      "Cr2O3": 6.88,
      "Fe2O3": 0.27,
      "CoO": 4.33,
      "ZnO": 5.44,
      "SnO2": 2.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.1
      },
      {
        "material": "kaolin",
        "amount": 19.1
      },
      {
        "material": "whiting",
        "amount": 17.2
      },
      {
        "material": "zinc oxide",
        "amount": 5.7
      },
      {
        "material": "tin oxide",
        "amount": 2.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 7.2
      },
      {
        "material": "cobalt carbonate",
        "amount": 7.2
      },
      {
        "material": "rutile",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 117.3
      }
    ]
  },
  {
    "id": "3860",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.63,
      "Al2O3": 9.83,
      "B2O3": 2.52,
      "Li2O": 1.66,
      "Na2O": 2.02,
      "K2O": 5.91,
      "MgO": 1.26,
      "CaO": 1.96,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.19,
      "Fe2O3": 0.13,
      "CoO": 0.43,
      "SnO2": 5.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.3
      },
      {
        "material": "potash feldspar",
        "amount": 26.7
      },
      {
        "material": "nepheline syenite",
        "amount": 14.2
      },
      {
        "material": "gerstley borate",
        "amount": 8.3
      },
      {
        "material": "lithium carbonate",
        "amount": 3.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 86.7
      },
      {
        "material": "tin oxide",
        "amount": 4.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.17
      },
      {
        "material": "total",
        "amount": 94.27
      }
    ]
  },
  {
    "id": "3891",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.82,
      "Al2O3": 8.16,
      "B2O3": 8.61,
      "Na2O": 3.45,
      "K2O": 1.17,
      "MgO": 1.3,
      "CaO": 7.93,
      "SrO": 4.4,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.21,
      "CuO": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "3897",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.63,
      "Al2O3": 8.4,
      "B2O3": 8.86,
      "Na2O": 3.55,
      "K2O": 1.2,
      "MgO": 1.34,
      "CaO": 8.16,
      "SrO": 4.53,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3900",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.92,
      "Al2O3": 8.93,
      "B2O3": 6.58,
      "Na2O": 3.38,
      "K2O": 1.25,
      "MgO": 1.06,
      "CaO": 6.68,
      "SrO": 4.91,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 38.9
      },
      {
        "material": "gerstley borate",
        "amount": 22.1
      },
      {
        "material": "nepheline syenite",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.2
      },
      {
        "material": "strontium carbonate",
        "amount": 6.3
      },
      {
        "material": "wollastonite",
        "amount": 2.8
      },
      {
        "material": "dolomite",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3902",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.87,
      "Al2O3": 17.58,
      "Li2O": 1.39,
      "Na2O": 6.39,
      "K2O": 3.04,
      "MgO": 0.34,
      "CaO": 0.51,
      "SrO": 15.18,
      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "CuO": 2.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.54
      },
      {
        "material": "strontium carbonate",
        "amount": 20.88
      },
      {
        "material": "silica",
        "amount": 7.69
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.59
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 107.5
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "3903",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.42,
      "Al2O3": 11.41,
      "B2O3": 4.78,
      "Li2O": 1.68,
      "Na2O": 2.21,
      "K2O": 0.19,
      "MgO": 4.65,
      "CaO": 10.54,
      "TiO2": 0.21,
      "MnO2": 2.73,
      "Fe2O3": 5.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "3904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.28,
      "Al2O3": 10.34,
      "Na2O": 2.81,
      "K2O": 1.7,
      "MgO": 0.06,
      "CaO": 8.92,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "ZnO": 12.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "3907",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.8,
      "Al2O3": 13.9,
      "B2O3": 5.11,
      "Na2O": 1.69,
      "K2O": 0.28,
      "MgO": 0.03,
      "CaO": 15.92,
      "P2O5": 0.07,
      "TiO2": 5.41,
      "Fe2O3": 0.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3915",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.67,
      "Al2O3": 7.39,
      "B2O3": 6.66,
      "Na2O": 2.25,
      "K2O": 4.18,
      "MgO": 1.88,
      "CaO": 13.3,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "CuO": 1.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "3916",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.91,
      "Al2O3": 11.84,
      "B2O3": 3.28,
      "Na2O": 4.69,
      "K2O": 2.03,
      "MgO": 7.04,
      "CaO": 5.79,
      "P2O5": 0.02,
      "TiO2": 5.64,
      "Fe2O3": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.2
      },
      {
        "material": "silica",
        "amount": 19.6
      },
      {
        "material": "talc",
        "amount": 13.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.8
      },
      {
        "material": "dolomite",
        "amount": 9.8
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3917",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.02,
      "Al2O3": 11.61,
      "B2O3": 3.0,
      "Li2O": 0.24,
      "Na2O": 2.85,
      "K2O": 1.7,
      "MgO": 5.01,
      "CaO": 2.69,
      "P2O5": 0.01,
      "TiO2": 0.19,
      "Fe2O3": 7.96,
      "CuO": 2.62,
      "ZnO": 5.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "spodumene",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "3918",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.54,
      "Al2O3": 9.36,
      "Na2O": 2.6,
      "K2O": 1.61,
      "MgO": 0.08,
      "CaO": 10.02,
      "TiO2": 0.09,
      "Fe2O3": 0.16,
      "ZnO": 12.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 37.2
      },
      {
        "material": "silica",
        "amount": 23.2
      },
      {
        "material": "wollastonite",
        "amount": 19.7
      },
      {
        "material": "zinc oxide",
        "amount": 12.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "3919",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.03,
      "Al2O3": 16.98,
      "Na2O": 4.08,
      "K2O": 3.45,
      "MgO": 1.58,
      "CaO": 2.18,
      "P2O5": 0.07,
      "TiO2": 0.36,
      "MnO2": 1.51,
      "Fe2O3": 9.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.0
      },
      {
        "material": "alberta slip",
        "amount": 27.0
      },
      {
        "material": "redart",
        "amount": 15.25
      },
      {
        "material": "silica",
        "amount": 6.9
      },
      {
        "material": "iron oxide",
        "amount": 6.35
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.86
      },
      {
        "material": "manganese dioxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 90.86
      }
    ]
  },
  {
    "id": "3970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.68,
      "Al2O3": 9.71,
      "B2O3": 5.01,
      "Na2O": 2.78,
      "K2O": 2.4,
      "MgO": 0.66,
      "CaO": 7.09,
      "SrO": 9.38,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain 6500",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.93,
      "Al2O3": 18.15,
      "B2O3": 1.43,
      "Li2O": 1.71,
      "Na2O": 1.49,
      "K2O": 4.27,
      "MgO": 4.7,
      "CaO": 7.39,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 1.29,
      "SnO2": 6.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "3972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.71,
      "Al2O3": 11.35,
      "B2O3": 0.51,
      "Li2O": 1.54,
      "Na2O": 2.99,
      "K2O": 0.65,
      "MgO": 4.29,
      "CaO": 7.13,
      "TiO2": 15.05,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "3977",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.68,
      "Al2O3": 9.71,
      "B2O3": 5.01,
      "Na2O": 2.78,
      "K2O": 2.4,
      "MgO": 0.66,
      "CaO": 7.09,
      "SrO": 9.38,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "3984",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.71,
      "Al2O3": 11.75,
      "B2O3": 4.31,
      "Li2O": 2.76,
      "Na2O": 0.65,
      "K2O": 0.08,
      "MgO": 7.09,
      "CaO": 5.58,
      "P2O5": 0.03,
      "TiO2": 6.24,
      "MnO2": 1.0,
      "Fe2O3": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "granular manganese",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 96.0
      }
    ]
  },
  {
    "id": "3990",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.24,
      "Al2O3": 14.79,
      "B2O3": 4.48,
      "Na2O": 1.99,
      "K2O": 5.99,
      "MgO": 5.02,
      "CaO": 7.64,
      "TiO2": 0.98,
      "CoO": 0.92,
      "SnO2": 2.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 16.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "3991",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.7,
      "Al2O3": 11.09,
      "B2O3": 5.68,
      "Na2O": 3.52,
      "K2O": 1.33,
      "MgO": 1.59,
      "CaO": 8.66,
      "P2O5": 0.04,
      "TiO2": 0.1,
      "Fe2O3": 9.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "4002",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.62,
      "Al2O3": 16.69,
      "Na2O": 1.06,
      "K2O": 3.57,
      "MgO": 4.98,
      "CaO": 11.64,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4003",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.29,
      "Al2O3": 12.34,
      "Na2O": 1.46,
      "K2O": 4.69,
      "MgO": 0.05,
      "CaO": 9.97,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 7.82,
      "ZnO": 2.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.2
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "whiting",
        "amount": 17.4
      },
      {
        "material": "ep kaolin",
        "amount": 10.8
      },
      {
        "material": "zinc oxide",
        "amount": 2.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.1
      },
      {
        "material": "total",
        "amount": 110.1
      }
    ]
  },
  {
    "id": "4004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.48,
      "Al2O3": 11.49,
      "Na2O": 1.3,
      "K2O": 4.21,
      "MgO": 0.04,
      "CaO": 12.44,
      "P2O5": 0.03,
      "TiO2": 0.44,
      "Fe2O3": 0.23,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "rutile",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 102.4
      }
    ]
  },
  {
    "id": "4005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.99,
      "Al2O3": 14.02,
      "B2O3": 1.48,
      "Na2O": 0.97,
      "K2O": 1.07,
      "MgO": 7.31,
      "CaO": 15.76,
      "P2O5": 0.08,
      "TiO2": 0.14,
      "Cr2O3": 0.55,
      "Fe2O3": 0.28,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "cornwall stone",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4006",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.69,
      "Al2O3": 11.19,
      "Na2O": 1.26,
      "K2O": 4.21,
      "MgO": 0.01,
      "CaO": 12.46,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CuO": 0.35,
      "SnO2": 1.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4008",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.24,
      "Al2O3": 15.02,
      "Na2O": 1.14,
      "K2O": 3.53,
      "MgO": 5.09,
      "CaO": 8.27,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "ZrO2": 5.22,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.4
      },
      {
        "material": "dolomite",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 20.3
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "superpax",
        "amount": 6.9
      },
      {
        "material": "whiting",
        "amount": 1.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4009",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.58,
      "Al2O3": 15.9,
      "Na2O": 5.22,
      "K2O": 2.54,
      "MgO": 0.14,
      "CaO": 0.42,
      "SrO": 22.71,
      "TiO2": 0.14,
      "Fe2O3": 0.26,
      "CuO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 48.6
      },
      {
        "material": "strontium carbonate",
        "amount": 30.1
      },
      {
        "material": "kentucky ball clay",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 10.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.43,
      "Al2O3": 12.03,
      "Na2O": 3.28,
      "K2O": 2.29,
      "MgO": 3.36,
      "CaO": 7.12,
      "P2O5": 4.8,
      "TiO2": 0.03,
      "Fe2O3": 6.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 48.3
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "bone ash",
        "amount": 11.6
      },
      {
        "material": "ep kaolin",
        "amount": 7.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.1
      },
      {
        "material": "bentonite",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "4013",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.43,
      "Al2O3": 11.41,
      "Na2O": 4.63,
      "K2O": 2.16,
      "MgO": 4.68,
      "CaO": 8.13,
      "TiO2": 3.67,
      "Fe2O3": 0.56,
      "CoO": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.4
      },
      {
        "material": "silica",
        "amount": 29.3
      },
      {
        "material": "dolomite",
        "amount": 10.1
      },
      {
        "material": "whiting",
        "amount": 8.1
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "4014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.29,
      "Al2O3": 23.65,
      "Li2O": 1.9,
      "Na2O": 1.09,
      "K2O": 3.66,
      "MgO": 5.23,
      "CaO": 10.73,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.03,
      "Al2O3": 11.18,
      "B2O3": 2.18,
      "Na2O": 2.53,
      "K2O": 5.1,
      "MgO": 1.23,
      "CaO": 10.06,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CuO": 0.54,
      "ZnO": 4.73,
      "SnO2": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.2
      },
      {
        "material": "silica",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "ep kaolin",
        "amount": 5.5
      },
      {
        "material": "zinc oxide",
        "amount": 4.5
      },
      {
        "material": "talc",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.2
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.97,
      "Al2O3": 21.41,
      "B2O3": 0.55,
      "Li2O": 0.74,
      "Na2O": 7.08,
      "K2O": 3.36,
      "MgO": 0.18,
      "CaO": 3.77,
      "P2O5": 0.0,
      "TiO2": 1.93,
      "Fe2O3": 0.37,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "petalite",
        "amount": 15.0
      },
      {
        "material": "kentucky ball clay",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.22,
      "Al2O3": 16.45,
      "Na2O": 4.82,
      "K2O": 2.3,
      "MgO": 1.98,
      "CaO": 6.06,
      "BaO": 16.84,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 2.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.55,
      "Al2O3": 9.98,
      "Na2O": 2.76,
      "K2O": 1.69,
      "MgO": 4.86,
      "CaO": 9.61,
      "P2O5": 4.21,
      "TiO2": 0.02,
      "Fe2O3": 10.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 41.71
      },
      {
        "material": "silica",
        "amount": 22.24
      },
      {
        "material": "bone ash",
        "amount": 10.23
      },
      {
        "material": "talc",
        "amount": 7.34
      },
      {
        "material": "ep kaolin",
        "amount": 6.45
      },
      {
        "material": "whiting",
        "amount": 6.45
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.56
      },
      {
        "material": "total base recipe",
        "amount": 99.98
      },
      {
        "material": "red iron oxide",
        "amount": 11.12
      },
      {
        "material": "total",
        "amount": 111.1
      }
    ]
  },
  {
    "id": "4063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.37,
      "Al2O3": 9.84,
      "Na2O": 1.39,
      "K2O": 3.07,
      "MgO": 3.59,
      "CaO": 8.36,
      "P2O5": 5.58,
      "TiO2": 0.05,
      "Fe2O3": 9.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 37.5
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.5
      },
      {
        "material": "red iron oxide",
        "amount": 9.5
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.5
      },
      {
        "material": "camadil dolomite",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4078",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.26,
      "Al2O3": 13.37,
      "Li2O": 2.27,
      "Na2O": 0.05,
      "K2O": 0.2,
      "MgO": 12.8,
      "CaO": 1.56,
      "SrO": 17.22,
      "P2O5": 0.09,
      "TiO2": 0.1,
      "MnO": 0.01,
      "Fe2O3": 0.35,
      "CoO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "amtalc-c98 talc",
        "amount": 38.0
      },
      {
        "material": "spodumene - australian",
        "amount": 26.0
      },
      {
        "material": "strontium carbonate",
        "amount": 21.5
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4090",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.39,
      "Al2O3": 18.82,
      "B2O3": 6.29,
      "Li2O": 1.28,
      "Na2O": 4.66,
      "K2O": 3.38,
      "MgO": 0.11,
      "CaO": 0.27,
      "P2O5": 0.05,
      "TiO2": 0.33,
      "Fe2O3": 0.39,
      "ZnO": 0.41,
      "F": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3269",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4091",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.48,
      "Al2O3": 16.93,
      "B2O3": 3.86,
      "Li2O": 1.12,
      "Na2O": 2.89,
      "K2O": 2.19,
      "MgO": 0.11,
      "CaO": 0.21,
      "P2O5": 0.05,
      "TiO2": 0.33,
      "Cr2O3": 4.58,
      "MnO2": 3.98,
      "Fe2O3": 4.74,
      "CoO": 2.89,
      "ZnO": 0.25,
      "F": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3269",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "4092",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.67,
      "Al2O3": 19.57,
      "B2O3": 5.52,
      "Li2O": 1.33,
      "Na2O": 3.67,
      "K2O": 2.27,
      "MgO": 0.13,
      "CaO": 0.23,
      "P2O5": 0.07,
      "TiO2": 0.4,
      "Fe2O3": 0.47,
      "CoO": 2.03,
      "ZnO": 0.25,
      "F": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3269",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "borax",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4093",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.31,
      "Al2O3": 19.09,
      "B2O3": 4.77,
      "Li2O": 1.18,
      "Na2O": 3.37,
      "K2O": 2.33,
      "MgO": 0.12,
      "CaO": 0.23,
      "P2O5": 0.06,
      "TiO2": 0.38,
      "MnO2": 5.03,
      "Fe2O3": 0.45,
      "ZnO": 0.26,
      "F": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3269",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "manganese dioxide",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "borax",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "4094",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 76.18,
      "Al2O3": 7.15,
      "Li2O": 13.48,
      "Na2O": 0.12,
      "K2O": 0.1,
      "MgO": 0.09,
      "CaO": 0.07,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Cr2O3": 2.45,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 54.0
      },
      {
        "material": "lithium carbonate",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4095",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 76.18,
      "Al2O3": 7.15,
      "Li2O": 13.48,
      "Na2O": 0.12,
      "K2O": 0.1,
      "MgO": 0.09,
      "CaO": 0.07,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Fe2O3": 0.26,
      "CuO": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 54.0
      },
      {
        "material": "lithium carbonate",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4096",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 75.44,
      "Al2O3": 7.08,
      "Li2O": 13.34,
      "Na2O": 0.12,
      "K2O": 0.1,
      "MgO": 0.09,
      "CaO": 0.07,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.26,
      "CoO": 3.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 54.0
      },
      {
        "material": "lithium carbonate",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4097",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.29,
      "Al2O3": 6.88,
      "Li2O": 12.97,
      "Na2O": 0.12,
      "K2O": 0.09,
      "MgO": 0.09,
      "CaO": 0.07,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "MnO2": 6.15,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 54.0
      },
      {
        "material": "lithium carbonate",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "manganese dioxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "4098",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 79.16,
      "Al2O3": 14.14,
      "Li2O": 5.43,
      "Na2O": 0.02,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 0.07,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Fe2O3": 0.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 33.0
      },
      {
        "material": "lithium carbonate",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4099",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.8,
      "Al2O3": 15.24,
      "B2O3": 5.68,
      "Li2O": 1.26,
      "Na2O": 2.74,
      "K2O": 0.28,
      "MgO": 0.91,
      "CaO": 5.99,
      "TiO2": 1.37,
      "Fe2O3": 3.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.78,
      "Al2O3": 11.98,
      "B2O3": 9.4,
      "Li2O": 1.26,
      "Na2O": 4.33,
      "MgO": 0.91,
      "CaO": 8.23,
      "TiO2": 1.37,
      "Fe2O3": 3.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 16.27,
      "B2O3": 6.21,
      "Li2O": 1.26,
      "Na2O": 4.68,
      "K2O": 3.06,
      "MgO": 0.91,
      "CaO": 0.35,
      "TiO2": 1.37,
      "Fe2O3": 3.74,
      "ZnO": 0.4,
      "F": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.21,
      "Al2O3": 11.16,
      "B2O3": 8.96,
      "Li2O": 1.26,
      "Na2O": 6.38,
      "MgO": 0.91,
      "CaO": 3.01,
      "TiO2": 1.37,
      "Fe2O3": 3.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 60.0
      },
      {
        "material": "frit 3278",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4103",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.97,
      "Al2O3": 16.97,
      "B2O3": 4.69,
      "Li2O": 1.27,
      "Na2O": 3.6,
      "K2O": 2.31,
      "MgO": 1.06,
      "CaO": 0.35,
      "TiO2": 1.62,
      "Fe2O3": 4.4,
      "ZnO": 0.3,
      "F": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4104",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.89,
      "Al2O3": 17.33,
      "B2O3": 3.92,
      "Li2O": 1.27,
      "Na2O": 3.05,
      "K2O": 1.93,
      "MgO": 1.14,
      "CaO": 0.34,
      "TiO2": 1.74,
      "Fe2O3": 4.73,
      "ZnO": 0.25,
      "F": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 75.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.85,
      "Al2O3": 15.74,
      "B2O3": 2.77,
      "Li2O": 6.84,
      "Na2O": 1.28,
      "K2O": 0.21,
      "MgO": 0.04,
      "CaO": 1.65,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 0.3,
      "CoO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "lithium carbonate",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "borax",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4106",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.15,
      "Al2O3": 17.13,
      "B2O3": 2.37,
      "Li2O": 7.03,
      "Na2O": 1.1,
      "K2O": 0.21,
      "MgO": 0.05,
      "CaO": 1.21,
      "P2O5": 0.11,
      "TiO2": 0.17,
      "Fe2O3": 0.33,
      "CoO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 38.0
      },
      {
        "material": "lithium carbonate",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 7.0
      },
      {
        "material": "borax",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.06,
      "Al2O3": 15.37,
      "B2O3": 2.3,
      "Li2O": 8.18,
      "Na2O": 1.06,
      "K2O": 0.19,
      "MgO": 0.04,
      "CaO": 1.17,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 0.3,
      "CoO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "lithium carbonate",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 7.0
      },
      {
        "material": "borax",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "4108",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 26.1,
      "Al2O3": 14.49,
      "B2O3": 7.06,
      "Li2O": 38.67,
      "Na2O": 3.39,
      "K2O": 0.89,
      "MgO": 0.04,
      "CaO": 1.92,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "MnO2": 6.99,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 59.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "borax",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 8.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4109",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 26.27,
      "Al2O3": 11.22,
      "B2O3": 9.02,
      "Li2O": 41.57,
      "Na2O": 4.33,
      "K2O": 1.13,
      "MgO": 0.03,
      "CaO": 2.98,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "CoO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.25,
      "Al2O3": 15.39,
      "B2O3": 3.21,
      "Li2O": 9.51,
      "Na2O": 1.49,
      "K2O": 0.28,
      "MgO": 0.04,
      "CaO": 10.3,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "Cr2O3": 2.33,
      "Fe2O3": 0.27,
      "F": 4.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "fluorspar",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4111",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.95,
      "Al2O3": 19.73,
      "B2O3": 2.48,
      "Li2O": 12.23,
      "Na2O": 1.16,
      "K2O": 0.29,
      "MgO": 0.05,
      "CaO": 2.62,
      "P2O5": 0.12,
      "TiO2": 0.18,
      "Fe2O3": 0.37,
      "CuO": 4.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "lithium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "4112",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.07,
      "Al2O3": 16.56,
      "B2O3": 2.35,
      "Li2O": 6.95,
      "Na2O": 1.1,
      "K2O": 0.25,
      "MgO": 0.04,
      "CaO": 5.86,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 0.3,
      "CuO": 2.27,
      "ZnO": 5.69,
      "F": 2.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "lithium carbonate",
        "amount": 15.0
      },
      {
        "material": "fluorspar",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.91,
      "Al2O3": 19.11,
      "B2O3": 3.76,
      "Li2O": 8.73,
      "Na2O": 1.73,
      "K2O": 0.28,
      "MgO": 0.05,
      "CaO": 4.73,
      "P2O5": 0.12,
      "TiO2": 0.18,
      "Fe2O3": 0.35,
      "CoO": 2.22,
      "ZnO": 2.38,
      "F": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 3.0
      },
      {
        "material": "fluorspar",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.32,
      "Al2O3": 14.06,
      "B2O3": 16.77,
      "Na2O": 4.25,
      "K2O": 0.11,
      "MgO": 0.04,
      "CaO": 8.46,
      "P2O5": 0.02,
      "TiO2": 1.55,
      "ZrO2": 7.12,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 70.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.5
      },
      {
        "material": "rutile",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 96.5
      }
    ]
  },
  {
    "id": "4115",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.94,
      "Al2O3": 12.33,
      "B2O3": 10.53,
      "Na2O": 4.83,
      "K2O": 0.62,
      "MgO": 0.04,
      "CaO": 10.8,
      "P2O5": 0.02,
      "TiO2": 0.93,
      "ZrO2": 6.73,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 84.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "4116",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.92,
      "Al2O3": 12.41,
      "B2O3": 10.35,
      "Na2O": 4.75,
      "K2O": 0.61,
      "MgO": 0.04,
      "CaO": 10.62,
      "P2O5": 0.02,
      "TiO2": 0.58,
      "ZrO2": 7.51,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 74.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4117",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.23,
      "Al2O3": 12.02,
      "B2O3": 7.72,
      "Na2O": 5.58,
      "K2O": 1.64,
      "MgO": 0.06,
      "CaO": 8.29,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "ZrO2": 6.5,
      "Fe2O3": 0.1,
      "SnO2": 4.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 66.7
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 23.0
      },
      {
        "material": "zircopax",
        "amount": 11.5
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 5.75
      },
      {
        "material": "bentonite",
        "amount": 2.3
      },
      {
        "material": "ep kaolin",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 119.55
      }
    ]
  },
  {
    "id": "4118",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.02,
      "Al2O3": 13.7,
      "B2O3": 7.86,
      "Na2O": 5.21,
      "K2O": 1.4,
      "MgO": 0.06,
      "CaO": 8.36,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "ZrO2": 5.84,
      "Fe2O3": 0.14,
      "SnO2": 4.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.75
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 17.24
      },
      {
        "material": "ep kaolin",
        "amount": 10.82
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.24
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.05
      }
    ]
  },
  {
    "id": "4123",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.81,
      "Al2O3": 17.88,
      "B2O3": 10.83,
      "Na2O": 7.91,
      "K2O": 5.42,
      "MgO": 0.02,
      "CaO": 0.34,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "ZnO": 0.7,
      "F": 1.08,
      "SnO2": 7.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3269",
        "amount": 75.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "4131",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.34,
      "Al2O3": 13.39,
      "B2O3": 8.01,
      "Na2O": 5.27,
      "K2O": 1.43,
      "MgO": 0.02,
      "CaO": 8.51,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 8.89,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 66.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "superpax",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "4133",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 7.98,
      "Al2O3": 30.38,
      "B2O3": 0.3,
      "Na2O": 27.94,
      "K2O": 0.27,
      "CaO": 0.72,
      "CoO": 0.3,
      "F": 32.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 62.0
      },
      {
        "material": "alumina hydrate",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 99.5
      }
    ]
  },
  {
    "id": "4136",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 7.91,
      "Al2O3": 30.1,
      "B2O3": 0.3,
      "Na2O": 27.68,
      "K2O": 0.27,
      "CaO": 0.71,
      "CuO": 1.22,
      "F": 31.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 62.0
      },
      {
        "material": "alumina hydrate",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 7.91,
      "Al2O3": 30.11,
      "B2O3": 0.3,
      "Na2O": 27.69,
      "K2O": 0.27,
      "CaO": 0.71,
      "NiO": 1.19,
      "F": 31.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 62.0
      },
      {
        "material": "alumina hydrate",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "nickel carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4138",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 7.79,
      "Al2O3": 29.62,
      "B2O3": 0.29,
      "Na2O": 27.24,
      "K2O": 0.26,
      "CaO": 0.7,
      "TiO2": 2.51,
      "Fe2O3": 0.28,
      "F": 31.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 62.0
      },
      {
        "material": "alumina hydrate",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 10.15,
      "Al2O3": 11.95,
      "Na2O": 19.07,
      "K2O": 0.38,
      "MgO": 0.01,
      "CaO": 13.43,
      "P2O5": 10.16,
      "TiO2": 12.46,
      "Fe2O3": 0.01,
      "F": 22.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 64.5
      },
      {
        "material": "bone ash",
        "amount": 37.5
      },
      {
        "material": "titanium dioxide",
        "amount": 19.5
      },
      {
        "material": "nepheline syenite",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 142.5
      }
    ]
  },
  {
    "id": "4140",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 13.67,
      "Al2O3": 11.4,
      "Li2O": 0.24,
      "Na2O": 17.86,
      "K2O": 0.15,
      "MgO": 0.03,
      "CaO": 12.95,
      "P2O5": 9.8,
      "TiO2": 12.17,
      "Fe2O3": 0.05,
      "CoO": 0.19,
      "F": 21.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 65.0
      },
      {
        "material": "bone ash",
        "amount": 38.0
      },
      {
        "material": "titanium dioxide",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 150.5
      }
    ]
  },
  {
    "id": "4141",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 13.61,
      "Al2O3": 11.36,
      "Li2O": 0.24,
      "Na2O": 17.79,
      "K2O": 0.15,
      "MgO": 0.03,
      "CaO": 12.9,
      "P2O5": 9.77,
      "TiO2": 12.13,
      "Fe2O3": 0.62,
      "F": 21.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cryolite",
        "amount": 65.0
      },
      {
        "material": "bone ash",
        "amount": 38.0
      },
      {
        "material": "titanium dioxide",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 151.0
      }
    ]
  },
  {
    "id": "4142",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 5.64,
      "Al2O3": 4.94,
      "Na2O": 6.57,
      "K2O": 0.41,
      "MgO": 0.0,
      "CaO": 42.58,
      "BaO": 0.31,
      "P2O5": 32.22,
      "Fe2O3": 0.0,
      "F": 7.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bone ash",
        "amount": 77.25
      },
      {
        "material": "cryolite",
        "amount": 13.73
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 8.59
      },
      {
        "material": "stain",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 105.97
      }
    ]
  },
  {
    "id": "4143",
    "chemical_composition": {
      "Amt.": 0.0,
      "Al2O3": 4.71,
      "Na2O": 8.59,
      "CaO": 43.29,
      "P2O5": 32.88,
      "F": 10.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bone ash",
        "amount": 80.0
      },
      {
        "material": "cryolite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4144",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 22.48,
      "Al2O3": 7.05,
      "B2O3": 6.66,
      "Li2O": 52.02,
      "Na2O": 4.07,
      "K2O": 1.19,
      "MgO": 0.55,
      "CaO": 0.3,
      "Fe2O3": 0.97,
      "CuO": 4.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "4145",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 22.76,
      "Al2O3": 7.14,
      "B2O3": 6.75,
      "Li2O": 52.67,
      "Na2O": 4.12,
      "K2O": 1.2,
      "MgO": 0.56,
      "CaO": 0.31,
      "Fe2O3": 4.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4146",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.04,
      "Al2O3": 7.23,
      "B2O3": 6.83,
      "Li2O": 53.3,
      "Na2O": 4.17,
      "K2O": 1.22,
      "MgO": 0.56,
      "CaO": 0.31,
      "Fe2O3": 0.99,
      "NiO": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 22.83,
      "Al2O3": 7.16,
      "B2O3": 6.77,
      "Li2O": 52.83,
      "Na2O": 4.13,
      "K2O": 1.21,
      "MgO": 0.56,
      "CaO": 0.31,
      "MnO2": 3.22,
      "Fe2O3": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4148",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.37,
      "Al2O3": 7.33,
      "B2O3": 6.93,
      "Li2O": 54.07,
      "Na2O": 4.23,
      "K2O": 1.23,
      "MgO": 0.57,
      "CaO": 0.31,
      "Cr2O3": 0.95,
      "Fe2O3": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4149",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.19,
      "Al2O3": 7.28,
      "B2O3": 6.87,
      "Li2O": 53.66,
      "Na2O": 4.19,
      "K2O": 1.22,
      "MgO": 0.57,
      "CaO": 0.31,
      "Cr2O3": 0.83,
      "Fe2O3": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4150",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.31,
      "Al2O3": 7.31,
      "B2O3": 6.91,
      "Li2O": 53.94,
      "Na2O": 4.22,
      "K2O": 1.23,
      "MgO": 0.57,
      "CaO": 0.31,
      "Fe2O3": 1.01,
      "CoO": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4151",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 22.31,
      "Al2O3": 7.0,
      "B2O3": 6.61,
      "Li2O": 51.63,
      "Na2O": 4.04,
      "K2O": 1.18,
      "MgO": 0.55,
      "CaO": 0.3,
      "TiO2": 4.89,
      "Fe2O3": 1.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 70.0
      },
      {
        "material": "bentonite",
        "amount": 15.0
      },
      {
        "material": "borax",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4152",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.64,
      "Al2O3": 20.3,
      "Na2O": 1.66,
      "K2O": 5.36,
      "MgO": 6.48,
      "CaO": 13.92,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Cr2O3": 0.54,
      "Fe2O3": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "dolomite",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4153",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.16,
      "Al2O3": 13.63,
      "Li2O": 0.89,
      "Na2O": 1.33,
      "K2O": 4.44,
      "MgO": 0.03,
      "CaO": 18.46,
      "BaO": 11.82,
      "P2O5": 0.03,
      "TiO2": 0.1,
      "ZrO2": 6.57,
      "Fe2O3": 0.2,
      "ZnO": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.72
      },
      {
        "material": "whiting",
        "amount": 29.04
      },
      {
        "material": "barium carbonate",
        "amount": 13.55
      },
      {
        "material": "ep kaolin",
        "amount": 11.62
      },
      {
        "material": "ball clay",
        "amount": 4.84
      },
      {
        "material": "lithium carbonate",
        "amount": 1.94
      },
      {
        "material": "zinc oxide",
        "amount": 0.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.71
      },
      {
        "material": "total",
        "amount": 108.71
      }
    ]
  },
  {
    "id": "4154",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.85,
      "Al2O3": 5.43,
      "B2O3": 1.82,
      "Li2O": 0.89,
      "Na2O": 2.53,
      "K2O": 1.09,
      "MgO": 3.46,
      "CaO": 8.92,
      "SrO": 9.7,
      "P2O5": 0.01,
      "TiO2": 3.56,
      "Fe2O3": 0.44,
      "SnO2": 3.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "strontium carbonate",
        "amount": 12.6
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "gerstley borate",
        "amount": 6.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.1
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.6
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "4156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.43,
      "Al2O3": 17.41,
      "Li2O": 2.01,
      "Na2O": 6.49,
      "K2O": 3.1,
      "MgO": 0.09,
      "CaO": 0.49,
      "BaO": 18.75,
      "TiO2": 0.08,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.0
      },
      {
        "material": "ball clay",
        "amount": 7.5
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "4157",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.32,
      "Al2O3": 17.03,
      "Li2O": 1.97,
      "Na2O": 6.35,
      "K2O": 3.04,
      "MgO": 0.09,
      "CaO": 0.48,
      "BaO": 18.35,
      "TiO2": 0.08,
      "Cr2O3": 2.15,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.0
      },
      {
        "material": "ball clay",
        "amount": 7.5
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4158",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.5,
      "Al2O3": 8.04,
      "Na2O": 1.21,
      "K2O": 4.03,
      "MgO": 0.0,
      "CaO": 0.13,
      "BaO": 33.71,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.06,
      "NiO": 1.02,
      "ZnO": 16.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 37.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "nickel carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "4159",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.65,
      "Al2O3": 7.98,
      "B2O3": 2.55,
      "Na2O": 0.57,
      "K2O": 2.07,
      "MgO": 1.11,
      "CaO": 1.97,
      "P2O5": 0.12,
      "TiO2": 0.55,
      "MnO2": 35.8,
      "Fe2O3": 3.49,
      "CoO": 2.96,
      "CuO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 77.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4160",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.47,
      "Al2O3": 8.68,
      "B2O3": 2.12,
      "Na2O": 1.14,
      "K2O": 2.02,
      "MgO": 0.73,
      "CaO": 2.28,
      "P2O5": 0.1,
      "TiO2": 0.5,
      "MnO2": 34.75,
      "Fe2O3": 3.25,
      "CoO": 2.87,
      "CuO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 75.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.77,
      "Al2O3": 8.31,
      "B2O3": 2.96,
      "Na2O": 1.5,
      "K2O": 1.8,
      "MgO": 0.63,
      "CaO": 3.12,
      "P2O5": 0.09,
      "TiO2": 0.43,
      "MnO2": 34.65,
      "Fe2O3": 2.81,
      "CoO": 2.86,
      "CuO": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 65.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 35.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4162",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.42,
      "Al2O3": 8.12,
      "B2O3": 3.37,
      "Na2O": 1.68,
      "K2O": 1.69,
      "MgO": 0.58,
      "CaO": 3.54,
      "P2O5": 0.08,
      "TiO2": 0.4,
      "MnO2": 34.6,
      "Fe2O3": 2.59,
      "CoO": 2.86,
      "CuO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.83,
      "Al2O3": 8.86,
      "B2O3": 1.7,
      "Na2O": 0.96,
      "K2O": 2.13,
      "MgO": 0.78,
      "CaO": 1.86,
      "P2O5": 0.11,
      "TiO2": 0.54,
      "MnO2": 34.8,
      "Fe2O3": 3.47,
      "CoO": 2.88,
      "CuO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4165",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.22,
      "Al2O3": 15.32,
      "Na2O": 2.81,
      "K2O": 1.58,
      "MgO": 2.04,
      "CaO": 13.33,
      "TiO2": 0.36,
      "MnO2": 3.78,
      "Fe2O3": 0.39,
      "CoO": 1.37,
      "CuO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "4166",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.27,
      "Al2O3": 9.34,
      "Na2O": 1.71,
      "K2O": 0.96,
      "MgO": 1.24,
      "CaO": 8.13,
      "TiO2": 0.22,
      "MnO2": 37.47,
      "Fe2O3": 0.24,
      "CoO": 3.1,
      "CuO": 3.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4167",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.9,
      "Al2O3": 9.36,
      "Na2O": 2.73,
      "K2O": 1.3,
      "MgO": 0.04,
      "CaO": 7.82,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 36.48,
      "Fe2O3": 0.09,
      "CoO": 3.01,
      "CuO": 3.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4168",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.61,
      "Al2O3": 26.05,
      "Li2O": 2.62,
      "Na2O": 8.53,
      "K2O": 2.16,
      "MgO": 0.12,
      "CaO": 0.36,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.4
      },
      {
        "material": "spodumene",
        "amount": 30.4
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.2
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4169",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.14,
      "Al2O3": 24.01,
      "Li2O": 1.29,
      "Na2O": 8.16,
      "K2O": 3.16,
      "MgO": 0.13,
      "CaO": 0.66,
      "TiO2": 0.21,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "nc-4 feldspar",
        "amount": 18.4
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 16.4
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "4172",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.37,
      "Al2O3": 24.08,
      "Li2O": 1.86,
      "Na2O": 9.55,
      "K2O": 1.56,
      "MgO": 0.07,
      "CaO": 0.26,
      "TiO2": 0.12,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "spodumene",
        "amount": 22.0
      },
      {
        "material": "ball clay",
        "amount": 11.0
      },
      {
        "material": "soda ash",
        "amount": 6.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4173",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.2,
      "Al2O3": 24.28,
      "Li2O": 0.8,
      "Na2O": 12.02,
      "K2O": 3.06,
      "MgO": 0.18,
      "CaO": 0.63,
      "P2O5": 0.03,
      "TiO2": 0.27,
      "Fe2O3": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 13.0
      },
      {
        "material": "soda ash",
        "amount": 12.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "redart",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4174",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.13,
      "Al2O3": 28.44,
      "Na2O": 8.82,
      "K2O": 3.44,
      "MgO": 0.1,
      "CaO": 0.56,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 68.0
      },
      {
        "material": "ep kaolin",
        "amount": 29.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4175",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.37,
      "Al2O3": 27.97,
      "Li2O": 2.43,
      "Na2O": 4.32,
      "K2O": 2.11,
      "MgO": 0.07,
      "CaO": 0.35,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "ZrO2": 2.99,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.12
      },
      {
        "material": "spodumene",
        "amount": 30.47
      },
      {
        "material": "ep kaolin",
        "amount": 25.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ultrox",
        "amount": 4.62
      },
      {
        "material": "veegum t",
        "amount": 2.75
      },
      {
        "material": "total",
        "amount": 107.37
      }
    ]
  },
  {
    "id": "4178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.2,
      "Al2O3": 24.45,
      "Li2O": 2.16,
      "Na2O": 5.68,
      "K2O": 3.92,
      "MgO": 0.12,
      "CaO": 0.25,
      "P2O5": 0.01,
      "TiO2": 0.34,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "soda ash",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4179",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.58,
      "Al2O3": 29.22,
      "Li2O": 1.05,
      "Na2O": 5.89,
      "K2O": 2.96,
      "MgO": 0.12,
      "CaO": 0.4,
      "P2O5": 0.08,
      "TiO2": 0.27,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "spodumene",
        "amount": 12.16
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "custer feldspar",
        "amount": 8.64
      },
      {
        "material": "soda ash",
        "amount": 3.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4181",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.74,
      "Al2O3": 23.69,
      "Na2O": 16.96,
      "K2O": 3.21,
      "MgO": 0.14,
      "CaO": 0.65,
      "P2O5": 0.03,
      "TiO2": 0.25,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "soda ash",
        "amount": 19.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4182",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.64,
      "Al2O3": 25.48,
      "Na2O": 15.47,
      "K2O": 2.95,
      "MgO": 0.14,
      "CaO": 0.61,
      "P2O5": 0.05,
      "TiO2": 0.27,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.98
      },
      {
        "material": "ep kaolin",
        "amount": 18.05
      },
      {
        "material": "soda ash",
        "amount": 17.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.8
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.87
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.72,
      "Al2O3": 25.54,
      "Na2O": 15.32,
      "K2O": 2.96,
      "MgO": 0.14,
      "CaO": 0.61,
      "P2O5": 0.05,
      "TiO2": 0.27,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 16.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 94.0
      }
    ]
  },
  {
    "id": "4184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.11,
      "Al2O3": 28.52,
      "Li2O": 2.62,
      "Na2O": 5.09,
      "K2O": 2.37,
      "MgO": 1.15,
      "CaO": 0.4,
      "ZrO2": 3.55,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.93
      },
      {
        "material": "spodumene",
        "amount": 34.83
      },
      {
        "material": "alumina hydrate",
        "amount": 11.24
      },
      {
        "material": "zircopax",
        "amount": 5.62
      },
      {
        "material": "bentonite",
        "amount": 4.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.25
      },
      {
        "material": "total",
        "amount": 112.37
      }
    ]
  },
  {
    "id": "4185",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.99,
      "Al2O3": 26.08,
      "Na2O": 16.17,
      "K2O": 2.94,
      "MgO": 0.21,
      "CaO": 0.46,
      "P2O5": 0.1,
      "TiO2": 0.21,
      "Fe2O3": 0.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "soda ash",
        "amount": 18.5
      },
      {
        "material": "redart",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.62,
      "Al2O3": 25.37,
      "Na2O": 7.61,
      "K2O": 3.99,
      "MgO": 0.25,
      "CaO": 0.59,
      "TiO2": 0.33,
      "Fe2O3": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "imco 800 fireclay",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4188",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.07,
      "Al2O3": 23.55,
      "Li2O": 0.75,
      "Na2O": 7.07,
      "K2O": 3.45,
      "MgO": 0.13,
      "CaO": 0.55,
      "TiO2": 0.18,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "petalite",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4189",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.59,
      "Al2O3": 28.21,
      "Li2O": 0.85,
      "Na2O": 5.02,
      "K2O": 2.11,
      "MgO": 0.29,
      "CaO": 0.42,
      "TiO2": 0.77,
      "Fe2O3": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 60.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "4191",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.66,
      "Al2O3": 23.45,
      "Li2O": 2.67,
      "Na2O": 8.49,
      "K2O": 2.56,
      "MgO": 0.1,
      "CaO": 0.8,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 37.4
      },
      {
        "material": "spodumene",
        "amount": 32.1
      },
      {
        "material": "nepheline syenite",
        "amount": 12.8
      },
      {
        "material": "soda ash",
        "amount": 8.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "4211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.18,
      "Al2O3": 23.81,
      "Li2O": 1.27,
      "Na2O": 7.53,
      "K2O": 3.39,
      "MgO": 0.31,
      "CaO": 0.58,
      "P2O5": 0.06,
      "TiO2": 0.21,
      "Cr2O3": 0.26,
      "Fe2O3": 1.23,
      "CoO": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "redart",
        "amount": 15.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.59,
      "Al2O3": 25.38,
      "Na2O": 7.71,
      "K2O": 3.84,
      "MgO": 0.18,
      "CaO": 0.62,
      "TiO2": 0.31,
      "Fe2O3": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.96,
      "Al2O3": 24.84,
      "Li2O": 3.15,
      "Na2O": 10.1,
      "K2O": 2.28,
      "MgO": 0.1,
      "CaO": 0.37,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.0
      },
      {
        "material": "spodumene",
        "amount": 37.3
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 99.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "4220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.66,
      "Al2O3": 43.83,
      "Li2O": 0.71,
      "Na2O": 4.18,
      "K2O": 1.69,
      "MgO": 0.99,
      "CaO": 2.01,
      "P2O5": 0.03,
      "TiO2": 0.15,
      "Fe2O3": 0.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alumina",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 29.2
      },
      {
        "material": "volcanic ash",
        "amount": 29.2
      },
      {
        "material": "spodumene",
        "amount": 8.8
      },
      {
        "material": "total base recipe",
        "amount": 96.4
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "4222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.09,
      "Al2O3": 42.17,
      "B2O3": 1.76,
      "Li2O": 0.98,
      "Na2O": 5.82,
      "K2O": 2.86,
      "MgO": 0.18,
      "CaO": 1.15,
      "SrO": 0.25,
      "ZrO2": 0.25,
      "Fe2O3": 0.18,
      "ZnO": 0.05,
      "F": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.6
      },
      {
        "material": "alumina",
        "amount": 27.5
      },
      {
        "material": "ferro frit cc-279-3",
        "amount": 10.5
      },
      {
        "material": "spodumene",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "4223",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.87,
      "Al2O3": 46.05,
      "Li2O": 0.78,
      "Na2O": 5.82,
      "K2O": 2.72,
      "MgO": 0.14,
      "CaO": 0.45,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.7
      },
      {
        "material": "alumina",
        "amount": 28.8
      },
      {
        "material": "spodumene",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 96.1
      },
      {
        "material": "bentonite",
        "amount": 3.8
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "4224",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.27,
      "Al2O3": 58.58,
      "Na2O": 3.46,
      "K2O": 1.4,
      "MgO": 0.83,
      "CaO": 1.67,
      "P2O5": 0.02,
      "TiO2": 0.12,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alumina",
        "amount": 48.1
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "volcanic ash",
        "amount": 24.0
      },
      {
        "material": "total base recipe",
        "amount": 96.1
      },
      {
        "material": "bentonite",
        "amount": 3.8
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "4227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 18.81,
      "Al2O3": 77.69,
      "Li2O": 1.2,
      "Na2O": 1.47,
      "K2O": 0.69,
      "MgO": 0.02,
      "CaO": 0.11,
      "Fe2O3": 0.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alumina",
        "amount": 70.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.97,
      "Al2O3": 35.01,
      "Na2O": 8.26,
      "K2O": 3.87,
      "MgO": 0.12,
      "CaO": 0.61,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 83.0
      },
      {
        "material": "alumina",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4240",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.74,
      "Al2O3": 38.81,
      "Na2O": 3.39,
      "K2O": 1.34,
      "MgO": 0.12,
      "CaO": 0.32,
      "P2O5": 0.23,
      "TiO2": 0.34,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "4241",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.09,
      "Al2O3": 33.84,
      "Na2O": 3.3,
      "K2O": 2.58,
      "MgO": 0.37,
      "CaO": 0.34,
      "P2O5": 0.03,
      "TiO2": 0.3,
      "Fe2O3": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "grolleg kaolin",
        "amount": 50.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "newman red clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 56.7,
      "Al2O3": 38.86,
      "Na2O": 1.22,
      "K2O": 0.84,
      "MgO": 0.4,
      "CaO": 0.34,
      "TiO2": 1.1,
      "Fe2O3": 0.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 70.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "4243",
    "chemical_composition": {
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      "SiO2": 54.77,
      "Al2O3": 38.92,
      "Na2O": 2.78,
      "K2O": 1.62,
      "MgO": 0.1,
      "CaO": 0.25,
      "TiO2": 1.01,
      "Fe2O3": 0.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mcnamee kaolin",
        "amount": 70.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "imco 800 fireclay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.17,
      "Al2O3": 38.62,
      "Na2O": 2.54,
      "K2O": 1.33,
      "MgO": 0.12,
      "CaO": 0.27,
      "P2O5": 0.12,
      "TiO2": 0.25,
      "Fe2O3": 0.57,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 44.0
      },
      {
        "material": "calcined kaolin",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "newman red clay",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.44,
      "Al2O3": 31.96,
      "B2O3": 2.24,
      "Na2O": 1.18,
      "K2O": 0.66,
      "MgO": 0.25,
      "CaO": 0.24,
      "P2O5": 0.13,
      "TiO2": 0.77,
      "ZrO2": 8.23,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 40.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "borax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 95.0
      }
    ]
  },
  {
    "id": "4247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.86,
      "Al2O3": 27.68,
      "Na2O": 0.66,
      "K2O": 2.11,
      "MgO": 0.14,
      "CaO": 0.23,
      "P2O5": 0.12,
      "TiO2": 0.5,
      "Fe2O3": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "ball clay",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4248",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.08,
      "Al2O3": 26.55,
      "Na2O": 0.63,
      "K2O": 2.03,
      "MgO": 0.14,
      "CaO": 0.22,
      "P2O5": 0.11,
      "TiO2": 0.48,
      "Fe2O3": 0.66,
      "CuO": 4.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "ball clay",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "4249",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.21,
      "Al2O3": 14.18,
      "Na2O": 4.49,
      "K2O": 14.79,
      "MgO": 3.46,
      "CaO": 11.03,
      "P2O5": 7.08,
      "TiO2": 0.08,
      "Fe2O3": 4.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4251",
    "chemical_composition": {
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      "SiO2": 54.55,
      "Al2O3": 8.0,
      "Na2O": 3.98,
      "K2O": 13.16,
      "MgO": 2.68,
      "CaO": 8.66,
      "P2O5": 5.45,
      "Fe2O3": 3.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4252",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.16,
      "Al2O3": 7.9,
      "Na2O": 3.5,
      "K2O": 11.62,
      "MgO": 2.21,
      "CaO": 7.2,
      "P2O5": 4.5,
      "Fe2O3": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4253",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 19.84,
      "Al2O3": 1.44,
      "Na2O": 6.82,
      "K2O": 22.07,
      "MgO": 6.64,
      "CaO": 20.84,
      "P2O5": 13.63,
      "Fe2O3": 8.72,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "wood ash",
        "amount": 100.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4254",
    "chemical_composition": {
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      "SiO2": 22.77,
      "Al2O3": 5.1,
      "Na2O": 6.24,
      "K2O": 20.19,
      "MgO": 6.07,
      "CaO": 19.06,
      "P2O5": 12.47,
      "TiO2": 0.04,
      "Fe2O3": 8.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 90.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4255",
    "chemical_composition": {
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      "SiO2": 25.78,
      "Al2O3": 8.88,
      "Na2O": 5.64,
      "K2O": 18.26,
      "MgO": 5.49,
      "CaO": 17.22,
      "P2O5": 11.29,
      "TiO2": 0.08,
      "Fe2O3": 7.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 80.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4256",
    "chemical_composition": {
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      "SiO2": 28.89,
      "Al2O3": 12.78,
      "Na2O": 5.02,
      "K2O": 16.27,
      "MgO": 4.9,
      "CaO": 15.33,
      "P2O5": 10.06,
      "TiO2": 0.12,
      "Fe2O3": 6.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 70.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4257",
    "chemical_composition": {
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      "SiO2": 32.1,
      "Al2O3": 16.8,
      "Na2O": 4.38,
      "K2O": 14.22,
      "MgO": 4.28,
      "CaO": 13.37,
      "P2O5": 8.8,
      "TiO2": 0.16,
      "Fe2O3": 5.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "4258",
    "chemical_composition": {
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      "SiO2": 35.41,
      "Al2O3": 20.95,
      "Na2O": 3.72,
      "K2O": 12.1,
      "MgO": 3.64,
      "CaO": 11.35,
      "P2O5": 7.5,
      "TiO2": 0.21,
      "Fe2O3": 5.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4259",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.18,
      "Al2O3": 10.0,
      "Na2O": 4.97,
      "K2O": 16.46,
      "MgO": 3.35,
      "CaO": 10.83,
      "P2O5": 6.82,
      "Fe2O3": 4.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.72,
      "Al2O3": 12.06,
      "Na2O": 4.74,
      "K2O": 15.64,
      "MgO": 3.4,
      "CaO": 10.93,
      "P2O5": 6.95,
      "TiO2": 0.04,
      "Fe2O3": 4.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.21,
      "Al2O3": 14.18,
      "Na2O": 4.49,
      "K2O": 14.79,
      "MgO": 3.46,
      "CaO": 11.03,
      "P2O5": 7.08,
      "TiO2": 0.08,
      "Fe2O3": 4.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4262",
    "chemical_composition": {
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      "SiO2": 38.66,
      "Al2O3": 16.37,
      "Na2O": 4.24,
      "K2O": 13.92,
      "MgO": 3.52,
      "CaO": 11.13,
      "P2O5": 7.21,
      "TiO2": 0.12,
      "Fe2O3": 4.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.3,
      "Al2O3": 10.01,
      "Na2O": 4.72,
      "K2O": 15.48,
      "MgO": 3.51,
      "CaO": 10.85,
      "P2O5": 6.87,
      "TiO2": 0.22,
      "Fe2O3": 5.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "newman red clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "4264",
    "chemical_composition": {
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      "SiO2": 43.42,
      "Al2O3": 10.03,
      "Na2O": 4.46,
      "K2O": 14.49,
      "MgO": 3.68,
      "CaO": 10.88,
      "P2O5": 6.91,
      "TiO2": 0.45,
      "Fe2O3": 5.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "newman red clay",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.54,
      "Al2O3": 10.05,
      "Na2O": 4.2,
      "K2O": 13.48,
      "MgO": 3.85,
      "CaO": 10.9,
      "P2O5": 6.96,
      "TiO2": 0.68,
      "Fe2O3": 6.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "newman red clay",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4266",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.67,
      "Al2O3": 10.07,
      "Na2O": 3.93,
      "K2O": 12.47,
      "MgO": 4.02,
      "CaO": 10.93,
      "P2O5": 7.01,
      "TiO2": 0.91,
      "Fe2O3": 6.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "newman red clay",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4267",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.0,
      "Al2O3": 11.74,
      "Na2O": 4.34,
      "K2O": 14.35,
      "MgO": 2.85,
      "CaO": 8.84,
      "P2O5": 5.49,
      "TiO2": 0.22,
      "Fe2O3": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 50.0
      },
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "newman red clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4268",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.15,
      "Al2O3": 11.77,
      "Na2O": 4.08,
      "K2O": 13.35,
      "MgO": 3.01,
      "CaO": 8.85,
      "P2O5": 5.53,
      "TiO2": 0.45,
      "Fe2O3": 4.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "newman red clay",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4269",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.31,
      "Al2O3": 11.8,
      "Na2O": 3.82,
      "K2O": 12.34,
      "MgO": 3.18,
      "CaO": 8.86,
      "P2O5": 5.57,
      "TiO2": 0.68,
      "Fe2O3": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "newman red clay",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "4270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.47,
      "Al2O3": 11.83,
      "Na2O": 3.55,
      "K2O": 11.31,
      "MgO": 3.35,
      "CaO": 8.87,
      "P2O5": 5.61,
      "TiO2": 0.91,
      "Fe2O3": 6.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "newman red clay",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4271",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.63,
      "Al2O3": 11.87,
      "Na2O": 3.28,
      "K2O": 10.27,
      "MgO": 3.52,
      "CaO": 8.88,
      "P2O5": 5.65,
      "TiO2": 1.15,
      "Fe2O3": 6.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 50.0
      },
      {
        "material": "wood ash",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4272",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.89,
      "Al2O3": 13.51,
      "Na2O": 3.71,
      "K2O": 12.21,
      "MgO": 2.34,
      "CaO": 6.81,
      "P2O5": 4.15,
      "TiO2": 0.45,
      "Fe2O3": 3.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 50.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "newman red clay",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4273",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.08,
      "Al2O3": 13.55,
      "Na2O": 3.44,
      "K2O": 11.19,
      "MgO": 2.5,
      "CaO": 6.81,
      "P2O5": 4.18,
      "TiO2": 0.68,
      "Fe2O3": 4.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "newman red clay",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4274",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.27,
      "Al2O3": 13.6,
      "Na2O": 3.17,
      "K2O": 10.15,
      "MgO": 2.67,
      "CaO": 6.81,
      "P2O5": 4.21,
      "TiO2": 0.92,
      "Fe2O3": 5.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4275",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.47,
      "Al2O3": 13.64,
      "Na2O": 2.9,
      "K2O": 9.11,
      "MgO": 2.83,
      "CaO": 6.8,
      "P2O5": 4.24,
      "TiO2": 1.15,
      "Fe2O3": 5.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "newman red clay",
        "amount": 50.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4276",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.85,
      "Al2O3": 15.3,
      "Na2O": 3.06,
      "K2O": 10.04,
      "MgO": 1.83,
      "CaO": 4.76,
      "P2O5": 2.79,
      "TiO2": 0.68,
      "Fe2O3": 3.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 50.0
      },
      {
        "material": "newman red clay",
        "amount": 30.0
      },
      {
        "material": "wood ash",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4277",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.08,
      "Al2O3": 15.36,
      "Na2O": 2.79,
      "K2O": 9.0,
      "MgO": 1.99,
      "CaO": 4.74,
      "P2O5": 2.81,
      "TiO2": 0.92,
      "Fe2O3": 4.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 40.0
      },
      {
        "material": "newman red clay",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4278",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 24.5,
      "Al2O3": 3.12,
      "Na2O": 6.21,
      "K2O": 20.0,
      "MgO": 6.16,
      "CaO": 18.92,
      "P2O5": 12.35,
      "TiO2": 0.22,
      "Fe2O3": 8.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 90.0
      },
      {
        "material": "newman red clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4279",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 29.22,
      "Al2O3": 4.82,
      "Na2O": 5.59,
      "K2O": 17.9,
      "MgO": 5.68,
      "CaO": 16.97,
      "P2O5": 11.06,
      "TiO2": 0.45,
      "Fe2O3": 8.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 80.0
      },
      {
        "material": "newman red clay",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4280",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.01,
      "Al2O3": 6.56,
      "Na2O": 4.96,
      "K2O": 15.78,
      "MgO": 5.19,
      "CaO": 14.99,
      "P2O5": 9.74,
      "TiO2": 0.68,
      "Fe2O3": 8.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 70.0
      },
      {
        "material": "newman red clay",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4281",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.87,
      "Al2O3": 8.31,
      "Na2O": 4.31,
      "K2O": 13.62,
      "MgO": 4.7,
      "CaO": 12.99,
      "P2O5": 8.41,
      "TiO2": 0.91,
      "Fe2O3": 7.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 60.0
      },
      {
        "material": "newman red clay",
        "amount": 40.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.79,
      "Al2O3": 10.09,
      "Na2O": 3.66,
      "K2O": 11.43,
      "MgO": 4.2,
      "CaO": 10.95,
      "P2O5": 7.06,
      "TiO2": 1.15,
      "Fe2O3": 7.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "newman red clay",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.47,
      "Al2O3": 8.68,
      "B2O3": 2.12,
      "Na2O": 1.14,
      "K2O": 2.02,
      "MgO": 0.73,
      "CaO": 2.28,
      "P2O5": 0.1,
      "TiO2": 0.5,
      "MnO2": 34.75,
      "Fe2O3": 3.25,
      "CoO": 2.87,
      "CuO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 75.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4284",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.77,
      "Al2O3": 8.31,
      "B2O3": 2.96,
      "Na2O": 1.5,
      "K2O": 1.8,
      "MgO": 0.63,
      "CaO": 3.12,
      "P2O5": 0.09,
      "TiO2": 0.43,
      "MnO2": 34.65,
      "Fe2O3": 2.81,
      "CoO": 2.86,
      "CuO": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 65.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 35.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4285",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.42,
      "Al2O3": 8.12,
      "B2O3": 3.37,
      "Na2O": 1.68,
      "K2O": 1.69,
      "MgO": 0.58,
      "CaO": 3.54,
      "P2O5": 0.08,
      "TiO2": 0.4,
      "MnO2": 34.6,
      "Fe2O3": 2.59,
      "CoO": 2.86,
      "CuO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "4293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.68,
      "Al2O3": 16.28,
      "Na2O": 3.25,
      "K2O": 2.69,
      "MgO": 0.11,
      "CaO": 16.86,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 7.95,
      "ZnO": 4.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 36.0
      },
      {
        "material": "whiting",
        "amount": 26.57
      },
      {
        "material": "cornwall stone",
        "amount": 15.62
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.33
      },
      {
        "material": "ep kaolin",
        "amount": 7.81
      },
      {
        "material": "zinc oxide",
        "amount": 4.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.62
      },
      {
        "material": "bentonite",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 108.57
      }
    ]
  },
  {
    "id": "4294",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.34,
      "Al2O3": 5.75,
      "B2O3": 8.01,
      "Na2O": 2.52,
      "K2O": 0.93,
      "MgO": 5.36,
      "CaO": 6.08,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 13.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 31.01
      },
      {
        "material": "silica",
        "amount": 30.01
      },
      {
        "material": "nc-4 feldspar",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.02
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.02
      }
    ]
  },
  {
    "id": "4295",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.4,
      "Al2O3": 17.79,
      "Li2O": 0.44,
      "Na2O": 6.39,
      "K2O": 3.08,
      "MgO": 0.1,
      "CaO": 0.49,
      "SrO": 15.15,
      "TiO2": 0.65,
      "Fe2O3": 0.17,
      "CuO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "titanium dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.99,
      "Al2O3": 15.38,
      "B2O3": 2.9,
      "Li2O": 0.01,
      "Na2O": 5.93,
      "K2O": 2.31,
      "MgO": 0.23,
      "CaO": 6.49,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "CuO": 1.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.8
      },
      {
        "material": "silica",
        "amount": 17.6
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "ep kaolin",
        "amount": 5.6
      },
      {
        "material": "total base recipe",
        "amount": 96.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "macaloid",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "4297",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.11,
      "Al2O3": 17.38,
      "Li2O": 1.39,
      "Na2O": 6.39,
      "K2O": 3.03,
      "MgO": 0.34,
      "CaO": 0.51,
      "SrO": 15.17,
      "TiO2": 0.07,
      "Fe2O3": 0.28,
      "CuO": 2.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "strontium carbonate",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 91.0
      },
      {
        "material": "bentonite",
        "amount": 3.64
      },
      {
        "material": "copper carbonate",
        "amount": 3.19
      },
      {
        "material": "epsom salts",
        "amount": 0.91
      },
      {
        "material": "total",
        "amount": 98.74
      }
    ]
  },
  {
    "id": "4298",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.67,
      "Al2O3": 16.42,
      "Na2O": 1.55,
      "K2O": 5.19,
      "MgO": 0.02,
      "CaO": 10.64,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 6.82,
      "CoO": 1.26,
      "ZnO": 8.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.6
      },
      {
        "material": "ep kaolin",
        "amount": 18.4
      },
      {
        "material": "whiting",
        "amount": 16.6
      },
      {
        "material": "zinc oxide",
        "amount": 7.4
      },
      {
        "material": "red iron oxide",
        "amount": 6.2
      },
      {
        "material": "silica",
        "amount": 4.6
      },
      {
        "material": "cobalt oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.68,
      "Al2O3": 17.31,
      "Na2O": 5.48,
      "K2O": 0.91,
      "MgO": 0.1,
      "CaO": 17.29,
      "P2O5": 0.02,
      "TiO2": 0.19,
      "Fe2O3": 0.26,
      "CuO": 1.46,
      "ZnO": 5.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 36.0
      },
      {
        "material": "whiting",
        "amount": 26.57
      },
      {
        "material": "cornwall stone",
        "amount": 15.62
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.33
      },
      {
        "material": "ep kaolin",
        "amount": 7.81
      },
      {
        "material": "zinc oxide",
        "amount": 4.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 102.95
      }
    ]
  },
  {
    "id": "4300",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.04,
      "Al2O3": 10.82,
      "Na2O": 0.29,
      "K2O": 2.85,
      "MgO": 1.11,
      "CaO": 19.35,
      "SrO": 7.99,
      "P2O5": 0.15,
      "TiO2": 0.74,
      "Fe2O3": 11.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.4
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.2
      },
      {
        "material": "bentonite",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 43.0
      }
    ]
  },
  {
    "id": "4301",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.53,
      "Al2O3": 14.55,
      "B2O3": 0.64,
      "Li2O": 1.89,
      "Na2O": 1.76,
      "K2O": 4.69,
      "MgO": 0.11,
      "CaO": 10.6,
      "SrO": 8.94,
      "TiO2": 14.11,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 7.8
      },
      {
        "material": "titanium dioxide",
        "amount": 7.2
      },
      {
        "material": "strontium carbonate",
        "amount": 6.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 2.4
      },
      {
        "material": "lithium carbonate",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 60.6
      }
    ]
  },
  {
    "id": "4302",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 9.93,
      "B2O3": 0.74,
      "Li2O": 1.75,
      "Na2O": 1.98,
      "K2O": 5.22,
      "MgO": 0.06,
      "CaO": 10.57,
      "SrO": 5.65,
      "Fe2O3": 0.16,
      "CuO": 5.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 14.4
      },
      {
        "material": "silica",
        "amount": 5.1
      },
      {
        "material": "whiting",
        "amount": 4.8
      },
      {
        "material": "copper carbonate",
        "amount": 2.4
      },
      {
        "material": "strontium carbonate",
        "amount": 2.25
      },
      {
        "material": "ferro frit 3124",
        "amount": 1.5
      },
      {
        "material": "lithium carbonate",
        "amount": 1.2
      },
      {
        "material": "bentonite",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 32.55
      }
    ]
  },
  {
    "id": "4303",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.5,
      "Al2O3": 9.49,
      "B2O3": 4.59,
      "Na2O": 1.91,
      "K2O": 3.95,
      "MgO": 2.69,
      "CaO": 3.49,
      "SrO": 3.54,
      "P2O5": 0.02,
      "TiO2": 0.12,
      "Fe2O3": 0.28,
      "CoO": 1.33,
      "ZnO": 8.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.81
      },
      {
        "material": "silica",
        "amount": 20.9
      },
      {
        "material": "gerstley borate",
        "amount": 16.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.5
      },
      {
        "material": "zinc oxide",
        "amount": 7.7
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "4304",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.3,
      "Al2O3": 13.52,
      "B2O3": 6.68,
      "Na2O": 3.0,
      "K2O": 0.12,
      "MgO": 1.99,
      "CaO": 12.46,
      "P2O5": 0.09,
      "TiO2": 0.45,
      "Fe2O3": 0.3,
      "CoO": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 32.49
      },
      {
        "material": "ferro frit 3134",
        "amount": 27.51
      },
      {
        "material": "silica",
        "amount": 18.83
      },
      {
        "material": "wollastonite",
        "amount": 12.98
      },
      {
        "material": "talc",
        "amount": 5.76
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.63
      },
      {
        "material": "cmc gum",
        "amount": 0.49
      },
      {
        "material": "rutile",
        "amount": 0.33
      },
      {
        "material": "total",
        "amount": 100.02
      }
    ]
  },
  {
    "id": "4305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.47,
      "Al2O3": 11.36,
      "B2O3": 6.01,
      "Na2O": 3.77,
      "K2O": 3.38,
      "MgO": 1.3,
      "CaO": 10.68,
      "P2O5": 0.04,
      "TiO2": 1.16,
      "Fe2O3": 2.31,
      "CoO": 0.35,
      "CuO": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 98.5
      }
    ]
  },
  {
    "id": "4314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.79,
      "Al2O3": 8.54,
      "B2O3": 14.35,
      "Na2O": 2.16,
      "K2O": 0.29,
      "MgO": 1.9,
      "CaO": 10.42,
      "P2O5": 0.11,
      "TiO2": 5.49,
      "ZrO2": 4.0,
      "Fe2O3": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain 6315 - vanadium blue",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4326",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.53,
      "Al2O3": 7.07,
      "B2O3": 1.65,
      "Li2O": 1.3,
      "Na2O": 9.55,
      "K2O": 1.52,
      "MgO": 0.01,
      "CaO": 3.96,
      "SrO": 6.7,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.53,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 59.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.5,
      "Al2O3": 11.81,
      "Na2O": 1.34,
      "K2O": 4.26,
      "MgO": 0.01,
      "CaO": 9.6,
      "TiO2": 0.0,
      "Fe2O3": 9.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "4342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.17,
      "Al2O3": 11.16,
      "Na2O": 1.58,
      "K2O": 5.05,
      "MgO": 0.01,
      "CaO": 7.27,
      "BaO": 1.92,
      "TiO2": 0.01,
      "Fe2O3": 8.38,
      "ZnO": 2.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 53.8
      },
      {
        "material": "silica",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 8.9
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "4379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.91,
      "Al2O3": 21.9,
      "Na2O": 2.02,
      "K2O": 0.95,
      "MgO": 6.14,
      "CaO": 12.06,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 35.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4407",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.81,
      "Al2O3": 8.35,
      "Na2O": 2.2,
      "K2O": 14.46,
      "MgO": 2.45,
      "CaO": 7.53,
      "P2O5": 4.39,
      "Fe2O3": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "rice straw ash",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4411",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.93,
      "Al2O3": 18.15,
      "Na2O": 0.91,
      "K2O": 2.87,
      "MgO": 0.08,
      "CaO": 24.69,
      "P2O5": 0.09,
      "TiO2": 3.13,
      "Fe2O3": 0.7,
      "CoO": 0.15,
      "CuO": 2.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 36.7
      },
      {
        "material": "ep kaolin",
        "amount": 29.4
      },
      {
        "material": "custer feldspar",
        "amount": 22.9
      },
      {
        "material": "silica",
        "amount": 9.2
      },
      {
        "material": "bentonite",
        "amount": 1.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "4465",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.72,
      "Al2O3": 11.51,
      "Na2O": 3.0,
      "K2O": 4.17,
      "MgO": 0.03,
      "CaO": 12.22,
      "TiO2": 5.47,
      "Fe2O3": 3.19,
      "CoO": 2.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "hyplas 71 ball clay p3354",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "4479",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.17,
      "Al2O3": 9.7,
      "B2O3": 2.55,
      "Na2O": 1.44,
      "K2O": 2.52,
      "MgO": 5.21,
      "CaO": 18.8,
      "TiO2": 5.28,
      "Fe2O3": 1.23,
      "CoO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 55.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "4510",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.47,
      "Al2O3": 10.2,
      "Na2O": 0.75,
      "K2O": 4.7,
      "MgO": 1.49,
      "CaO": 11.94,
      "BaO": 0.04,
      "P2O5": 0.59,
      "TiO2": 0.27,
      "Fe2O3": 1.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p10 sanidine",
        "amount": 220.0
      },
      {
        "material": "p19 diaspro verde",
        "amount": 180.0
      },
      {
        "material": "p16 ash",
        "amount": 64.0
      },
      {
        "material": "p18 marna ocra del sanguinaro",
        "amount": 64.0
      },
      {
        "material": "total",
        "amount": 528.0
      }
    ]
  },
  {
    "id": "4529",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.25,
      "Al2O3": 16.9,
      "Li2O": 1.28,
      "Na2O": 6.01,
      "K2O": 2.83,
      "MgO": 0.11,
      "CaO": 0.46,
      "BaO": 21.93,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "CuO": 2.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.0
      },
      {
        "material": "barium carbonate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "4530",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.83,
      "Al2O3": 9.01,
      "B2O3": 6.3,
      "Na2O": 2.71,
      "K2O": 0.96,
      "MgO": 0.85,
      "CaO": 17.28,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 1.12,
      "Fe2O3": 0.21,
      "SnO2": 5.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      },
      {
        "material": "specific gravity",
        "amount": 1.45
      }
    ]
  },
  {
    "id": "4542",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.88,
      "Al2O3": 17.06,
      "B2O3": 2.78,
      "Na2O": 3.48,
      "K2O": 1.56,
      "MgO": 5.38,
      "CaO": 11.01,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "ZrO2": 10.38,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "4562",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.89,
      "Al2O3": 11.79,
      "K2O": 6.47,
      "MgO": 2.46,
      "CaO": 6.49,
      "TiO2": 4.76,
      "Fe2O3": 0.52,
      "CuO": 1.93,
      "ZnO": 9.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.3
      },
      {
        "material": "silica",
        "amount": 29.8
      },
      {
        "material": "whiting",
        "amount": 11.6
      },
      {
        "material": "zinc oxide",
        "amount": 9.7
      },
      {
        "material": "alumina",
        "amount": 4.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.7
      },
      {
        "material": "talc",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "rutile",
        "amount": 5.3
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "4569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.4,
      "Al2O3": 7.75,
      "B2O3": 1.57,
      "Li2O": 1.3,
      "Na2O": 9.06,
      "K2O": 1.45,
      "MgO": 0.02,
      "CaO": 3.76,
      "SrO": 5.96,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.53,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "4576",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.37,
      "Al2O3": 13.77,
      "B2O3": 0.41,
      "Na2O": 4.28,
      "K2O": 4.1,
      "MgO": 0.24,
      "CaO": 1.48,
      "BaO": 0.84,
      "TiO2": 0.0,
      "MnO": 24.79,
      "Fe2O3": 4.22,
      "CuO": 5.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese carbonate",
        "amount": 37.74
      },
      {
        "material": "fff feldspar",
        "amount": 33.96
      },
      {
        "material": "high alkali frit p2962",
        "amount": 11.32
      },
      {
        "material": "silica",
        "amount": 5.28
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "alumina",
        "amount": 3.77
      },
      {
        "material": "bentonite",
        "amount": 2.26
      },
      {
        "material": "whiting",
        "amount": 1.13
      },
      {
        "material": "dolomite",
        "amount": 0.75
      },
      {
        "material": "total base recipe",
        "amount": 101.21
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 113.21
      }
    ]
  },
  {
    "id": "4580",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.46,
      "Al2O3": 4.78,
      "B2O3": 10.7,
      "Na2O": 5.32,
      "K2O": 0.72,
      "MgO": 0.04,
      "CaO": 8.79,
      "Fe2O3": 0.07,
      "CoO": 0.15,
      "CuO": 0.63,
      "PbO": 25.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "standard borax frit",
        "amount": 60.0
      },
      {
        "material": "lead bisilicate frit",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 103.25
      }
    ]
  },
  {
    "id": "4581",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.75,
      "Al2O3": 4.59,
      "B2O3": 10.28,
      "Na2O": 5.11,
      "K2O": 0.69,
      "MgO": 0.04,
      "CaO": 8.45,
      "Fe2O3": 0.07,
      "PbO": 24.34,
      "SnO2": 4.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "standard borax frit",
        "amount": 60.0
      },
      {
        "material": "lead bisilicate frit",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "4582",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.97,
      "Al2O3": 4.61,
      "B2O3": 10.33,
      "Na2O": 5.14,
      "K2O": 0.7,
      "MgO": 0.04,
      "CaO": 8.49,
      "Cr2O3": 0.47,
      "Fe2O3": 0.07,
      "CoO": 0.3,
      "NiO": 0.59,
      "PbO": 24.47,
      "SnO2": 2.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "standard borax frit",
        "amount": 60.0
      },
      {
        "material": "lead bisilicate frit",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "nickel carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "4583",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.85,
      "Al2O3": 4.6,
      "B2O3": 10.31,
      "Na2O": 5.13,
      "K2O": 0.69,
      "MgO": 0.04,
      "CaO": 8.47,
      "MnO": 0.14,
      "FeO": 0.66,
      "Fe2O3": 0.89,
      "PbO": 24.4,
      "SnO2": 2.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "standard borax frit",
        "amount": 60.0
      },
      {
        "material": "lead bisilicate frit",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "crocus martis",
        "amount": 2.0
      },
      {
        "material": "manganese carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "4587",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.25,
      "Al2O3": 5.34,
      "B2O3": 10.87,
      "Na2O": 0.06,
      "K2O": 0.32,
      "MgO": 0.14,
      "CaO": 26.7,
      "Fe2O3": 0.07,
      "CoO": 0.23,
      "CuO": 2.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p2963 soft alkaline frit",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 104.25
      }
    ]
  },
  {
    "id": "4588",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.3,
      "Al2O3": 5.24,
      "B2O3": 10.68,
      "Na2O": 0.06,
      "K2O": 0.32,
      "MgO": 0.14,
      "CaO": 26.23,
      "Fe2O3": 0.07,
      "CuO": 3.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p2963 soft alkaline frit",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "4590",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.74,
      "Al2O3": 5.29,
      "B2O3": 10.77,
      "Na2O": 0.06,
      "K2O": 0.32,
      "MgO": 0.14,
      "CaO": 26.45,
      "FeO": 1.4,
      "Fe2O3": 1.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p2963 soft alkaline frit",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "crocus martis",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "4594",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.04,
      "Al2O3": 15.83,
      "Na2O": 2.12,
      "K2O": 6.44,
      "MgO": 1.74,
      "CaO": 9.47,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "k-200 feldspar",
        "amount": 56.12
      },
      {
        "material": "limestone",
        "amount": 19.6
      },
      {
        "material": "silica",
        "amount": 13.44
      },
      {
        "material": "ep kaolin",
        "amount": 10.84
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4601",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.15,
      "Al2O3": 16.44,
      "Li2O": 0.84,
      "Na2O": 6.13,
      "K2O": 2.88,
      "MgO": 0.12,
      "CaO": 0.47,
      "SrO": 18.06,
      "P2O5": 0.01,
      "TiO2": 2.07,
      "Fe2O3": 0.18,
      "CuO": 2.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "4602",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.35,
      "Al2O3": 8.76,
      "Li2O": 3.55,
      "Na2O": 0.07,
      "K2O": 0.1,
      "MgO": 0.06,
      "CaO": 2.28,
      "P2O5": 0.06,
      "TiO2": 8.0,
      "Fe2O3": 0.24,
      "CuO": 1.53,
      "ZnO": 19.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 44.4
      },
      {
        "material": "ep kaolin",
        "amount": 22.6
      },
      {
        "material": "zinc oxide",
        "amount": 20.2
      },
      {
        "material": "lithium carbonate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.4
      }
    ]
  },
  {
    "id": "4631",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.23,
      "Al2O3": 10.64,
      "Na2O": 3.66,
      "K2O": 2.29,
      "MgO": 0.04,
      "CaO": 8.23,
      "SrO": 1.48,
      "ZrO2": 6.23,
      "Fe2O3": 0.11,
      "ZnO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 52.56
      },
      {
        "material": "silica",
        "amount": 21.71
      },
      {
        "material": "whiting",
        "amount": 12.56
      },
      {
        "material": "ultrox",
        "amount": 9.15
      },
      {
        "material": "strontium carbonate",
        "amount": 2.01
      },
      {
        "material": "zinc oxide",
        "amount": 2.01
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "cone",
        "amount": 10.0
      }
    ]
  },
  {
    "id": "4746",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.38,
      "Al2O3": 13.16,
      "B2O3": 12.56,
      "Li2O": 1.84,
      "Na2O": 5.54,
      "K2O": 1.43,
      "MgO": 1.06,
      "CaO": 10.67,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "4783",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 8.5,
      "B2O3": 30.3,
      "Na2O": 4.84,
      "CaO": 10.44,
      "TiO2": 7.65,
      "Cr2O3": 6.31,
      "Fe2O3": 15.55,
      "CoO": 7.93,
      "CuO": 8.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 42.14
      },
      {
        "material": "borax",
        "amount": 32.78
      },
      {
        "material": "iron chromate",
        "amount": 15.72
      },
      {
        "material": "silica",
        "amount": 9.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 9.36
      },
      {
        "material": "red iron oxide",
        "amount": 9.36
      },
      {
        "material": "rutile",
        "amount": 9.36
      },
      {
        "material": "total",
        "amount": 137.44
      }
    ]
  },
  {
    "id": "4800",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.3,
      "Al2O3": 9.66,
      "Na2O": 3.93,
      "K2O": 1.84,
      "MgO": 0.09,
      "CaO": 0.63,
      "MnO": 18.67,
      "Fe2O3": 0.12,
      "ZnO": 10.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.81
      },
      {
        "material": "manganese carbonate",
        "amount": 27.53
      },
      {
        "material": "silica",
        "amount": 26.34
      },
      {
        "material": "zinc oxide",
        "amount": 9.78
      },
      {
        "material": "whiting",
        "amount": 0.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.15
      },
      {
        "material": "total",
        "amount": 102.15
      },
      {
        "material": "cone",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "4820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.34,
      "Al2O3": 20.1,
      "Na2O": 2.6,
      "K2O": 8.61,
      "MgO": 1.52,
      "CaO": 17.71,
      "P2O5": 3.12,
      "Fe2O3": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "custer feldspar (1989)",
        "amount": 30.0
      },
      {
        "material": "wood ash",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 10.0
      }
    ]
  },
  {
    "id": "4880",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.54,
      "Al2O3": 19.42,
      "Na2O": 0.92,
      "K2O": 3.21,
      "MgO": 8.01,
      "CaO": 20.54,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 29.7
      },
      {
        "material": "dolomite",
        "amount": 28.3
      },
      {
        "material": "custer feldspar (1989)",
        "amount": 23.1
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      },
      {
        "material": "cone",
        "amount": 10.0
      }
    ]
  },
  {
    "id": "4925",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.21,
      "Al2O3": 14.26,
      "Na2O": 1.0,
      "K2O": 3.32,
      "MgO": 0.07,
      "CaO": 17.0,
      "TiO2": 0.24,
      "Fe2O3": 1.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "custer feldspar (1989)",
        "amount": 26.0
      },
      {
        "material": "ball clay",
        "amount": 20.7
      },
      {
        "material": "silica",
        "amount": 20.7
      },
      {
        "material": "kaolin",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      },
      {
        "material": "cone",
        "amount": 10.0
      }
    ]
  },
  {
    "id": "5004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.03,
      "Al2O3": 11.29,
      "B2O3": 1.29,
      "Na2O": 1.53,
      "K2O": 4.68,
      "MgO": 0.22,
      "CaO": 11.83,
      "P2O5": 0.0,
      "TiO2": 0.01,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 39.13
      },
      {
        "material": "silica",
        "amount": 30.43
      },
      {
        "material": "whiting",
        "amount": 17.39
      },
      {
        "material": "grolleg kaolin",
        "amount": 8.7
      },
      {
        "material": "gerstley borate",
        "amount": 4.35
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 0.87
      },
      {
        "material": "total",
        "amount": 100.87
      },
      {
        "material": "cone",
        "amount": 10.0
      }
    ]
  },
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    "id": "5183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.44,
      "Al2O3": 14.14,
      "B2O3": 2.79,
      "Na2O": 4.01,
      "K2O": 2.74,
      "MgO": 0.42,
      "CaO": 12.96,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.14,
      "CuO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 50.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "stain",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "5187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.44,
      "Al2O3": 19.2,
      "Na2O": 4.33,
      "K2O": 2.04,
      "MgO": 5.33,
      "CaO": 9.62,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.09
      },
      {
        "material": "kaolin",
        "amount": 19.05
      },
      {
        "material": "silica",
        "amount": 19.05
      },
      {
        "material": "whiting",
        "amount": 14.29
      },
      {
        "material": "magnesium carbonate",
        "amount": 9.52
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "5188",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.74,
      "Al2O3": 14.18,
      "Na2O": 4.17,
      "K2O": 1.96,
      "MgO": 7.67,
      "CaO": 9.25,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.36
      },
      {
        "material": "silica",
        "amount": 27.27
      },
      {
        "material": "magnesium carbonate",
        "amount": 13.64
      },
      {
        "material": "whiting",
        "amount": 13.64
      },
      {
        "material": "kaolin",
        "amount": 9.09
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "5214",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.44,
      "Al2O3": 14.64,
      "B2O3": 4.42,
      "Na2O": 2.76,
      "K2O": 3.4,
      "MgO": 4.29,
      "CaO": 8.82,
      "P2O5": 0.11,
      "TiO2": 0.3,
      "Fe2O3": 4.35,
      "CoO": 3.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 80.95
      },
      {
        "material": "gerstley borate",
        "amount": 14.29
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.76
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.37,
      "Al2O3": 15.96,
      "Na2O": 2.04,
      "K2O": 6.98,
      "CaO": 5.52,
      "CoO": 0.33,
      "ZnO": 15.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 64.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5217",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.37,
      "Al2O3": 9.1,
      "B2O3": 6.36,
      "Na2O": 2.73,
      "K2O": 0.97,
      "MgO": 0.86,
      "CaO": 17.44,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.21,
      "SnO2": 5.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.43
      },
      {
        "material": "gerstley borate",
        "amount": 19.97
      },
      {
        "material": "whiting",
        "amount": 19.02
      },
      {
        "material": "nepheline syenite",
        "amount": 15.22
      },
      {
        "material": "ep kaolin",
        "amount": 10.46
      },
      {
        "material": "tin oxide",
        "amount": 4.76
      },
      {
        "material": "chrome oxide",
        "amount": 0.14
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.56,
      "Al2O3": 11.29,
      "B2O3": 0.91,
      "Li2O": 2.53,
      "Na2O": 2.41,
      "K2O": 2.98,
      "MgO": 1.95,
      "CaO": 9.39,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "Fe2O3": 10.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 61.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.5
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.93,
      "Al2O3": 9.72,
      "B2O3": 4.09,
      "Na2O": 2.9,
      "K2O": 3.55,
      "MgO": 0.6,
      "CaO": 10.95,
      "SrO": 3.27,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.24,
      "ZnO": 2.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.43
      },
      {
        "material": "g-200 feldspar",
        "amount": 26.92
      },
      {
        "material": "gerstley borate",
        "amount": 13.26
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 11.94
      },
      {
        "material": "whiting",
        "amount": 11.94
      },
      {
        "material": "strontium carbonate",
        "amount": 4.05
      },
      {
        "material": "soda ash",
        "amount": 2.23
      },
      {
        "material": "zinc oxide",
        "amount": 2.23
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5242",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.41,
      "Al2O3": 9.33,
      "Na2O": 0.22,
      "K2O": 2.24,
      "MgO": 0.86,
      "CaO": 0.15,
      "P2O5": 0.12,
      "TiO2": 0.62,
      "MnO2": 34.39,
      "Fe2O3": 3.79,
      "CoO": 2.53,
      "CuO": 4.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 49.0
      },
      {
        "material": "manganese dioxide",
        "amount": 36.5
      },
      {
        "material": "ball clay",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5244",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.4,
      "Al2O3": 9.43,
      "B2O3": 6.35,
      "Na2O": 2.72,
      "K2O": 0.93,
      "MgO": 0.85,
      "CaO": 17.37,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Cr2O3": 0.17,
      "Fe2O3": 0.11,
      "SnO2": 5.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5251",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.51,
      "Al2O3": 24.21,
      "B2O3": 1.4,
      "Li2O": 1.84,
      "Na2O": 7.93,
      "K2O": 2.79,
      "MgO": 0.33,
      "CaO": 1.47,
      "P2O5": 0.01,
      "TiO2": 0.19,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.2
      },
      {
        "material": "spodumene",
        "amount": 21.67
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.78
      },
      {
        "material": "gerstley borate",
        "amount": 4.93
      },
      {
        "material": "soda ash",
        "amount": 3.94
      },
      {
        "material": "bentonite",
        "amount": 1.48
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "cone",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "5279",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.91,
      "Al2O3": 16.65,
      "Na2O": 5.69,
      "K2O": 2.67,
      "MgO": 2.22,
      "CaO": 10.18,
      "BaO": 2.26,
      "Fe2O3": 7.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.6
      },
      {
        "material": "whiting",
        "amount": 16.98
      },
      {
        "material": "silica",
        "amount": 9.44
      },
      {
        "material": "kaolin",
        "amount": 7.55
      },
      {
        "material": "talc",
        "amount": 6.6
      },
      {
        "material": "barium carbonate",
        "amount": 2.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.55
      },
      {
        "material": "total",
        "amount": 107.55
      }
    ]
  },
  {
    "id": "5280",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.12,
      "Al2O3": 11.53,
      "Na2O": 1.46,
      "K2O": 5.01,
      "MgO": 3.39,
      "CaO": 9.91,
      "BaO": 2.26,
      "Fe2O3": 7.35,
      "NiO": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 47.62
      },
      {
        "material": "whiting",
        "amount": 17.14
      },
      {
        "material": "silica",
        "amount": 14.28
      },
      {
        "material": "talc",
        "amount": 10.48
      },
      {
        "material": "kaolin",
        "amount": 7.62
      },
      {
        "material": "barium carbonate",
        "amount": 2.86
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.62
      },
      {
        "material": "black nickel oxide",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 108.57
      }
    ]
  },
  {
    "id": "5282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.42,
      "Al2O3": 8.45,
      "Na2O": 1.47,
      "K2O": 5.04,
      "MgO": 3.71,
      "CaO": 11.38,
      "P2O5": 4.48,
      "Fe2O3": 12.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 52.27
      },
      {
        "material": "silica",
        "amount": 13.64
      },
      {
        "material": "talc",
        "amount": 12.5
      },
      {
        "material": "bone ash",
        "amount": 11.36
      },
      {
        "material": "whiting",
        "amount": 10.23
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.64
      },
      {
        "material": "total",
        "amount": 113.64
      }
    ]
  },
  {
    "id": "5283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.19,
      "Al2O3": 15.73,
      "Li2O": 0.19,
      "Na2O": 1.32,
      "K2O": 0.62,
      "MgO": 1.44,
      "CaO": 15.65,
      "BaO": 2.09,
      "P2O5": 2.28,
      "Fe2O3": 11.93,
      "CuO": 0.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.57
      },
      {
        "material": "silica",
        "amount": 21.83
      },
      {
        "material": "whiting",
        "amount": 21.83
      },
      {
        "material": "nepheline syenite",
        "amount": 13.1
      },
      {
        "material": "bone ash",
        "amount": 5.24
      },
      {
        "material": "talc",
        "amount": 4.36
      },
      {
        "material": "barium carbonate",
        "amount": 2.62
      },
      {
        "material": "lithium carbonate",
        "amount": 0.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.23
      },
      {
        "material": "copper carbonate",
        "amount": 0.87
      },
      {
        "material": "total",
        "amount": 113.1
      }
    ]
  },
  {
    "id": "5355",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.55,
      "Al2O3": 8.34,
      "B2O3": 2.51,
      "Na2O": 1.8,
      "K2O": 4.71,
      "MgO": 2.42,
      "CaO": 9.88,
      "BaO": 3.63,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 0.35,
      "ZnO": 1.84,
      "SnO2": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 41.89
      },
      {
        "material": "silica",
        "amount": 26.17
      },
      {
        "material": "dolomite",
        "amount": 8.72
      },
      {
        "material": "gerstley borate",
        "amount": 8.72
      },
      {
        "material": "whiting",
        "amount": 8.42
      },
      {
        "material": "barium carbonate",
        "amount": 4.36
      },
      {
        "material": "zinc oxide",
        "amount": 1.72
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.64
      },
      {
        "material": "bentonite",
        "amount": 2.03
      },
      {
        "material": "copper carbonate",
        "amount": 0.51
      },
      {
        "material": "total",
        "amount": 105.18
      }
    ]
  },
  {
    "id": "5378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.27,
      "Al2O3": 15.68,
      "Na2O": 1.67,
      "K2O": 5.6,
      "MgO": 5.29,
      "CaO": 10.62,
      "P2O5": 0.9,
      "TiO2": 7.88,
      "Fe2O3": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 48.9
      },
      {
        "material": "ball clay",
        "amount": 25.3
      },
      {
        "material": "dolomite",
        "amount": 22.5
      },
      {
        "material": "whiting",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      },
      {
        "material": "cone",
        "amount": 9.0
      }
    ]
  },
  {
    "id": "5387",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.4,
      "Al2O3": 7.65,
      "B2O3": 10.65,
      "Na2O": 3.09,
      "K2O": 1.53,
      "MgO": 2.36,
      "CaO": 9.15,
      "P2O5": 0.0,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "CuO": 0.86,
      "SnO2": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.22
      },
      {
        "material": "nepheline syenite",
        "amount": 29.41
      },
      {
        "material": "colemanite",
        "amount": 19.61
      },
      {
        "material": "dolomite",
        "amount": 9.8
      },
      {
        "material": "red clay",
        "amount": 1.96
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.96
      },
      {
        "material": "copper carbonate",
        "amount": 0.49
      },
      {
        "material": "black copper oxide",
        "amount": 0.49
      },
      {
        "material": "total",
        "amount": 102.94
      }
    ]
  },
  {
    "id": "5408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.02,
      "Al2O3": 10.61,
      "B2O3": 1.08,
      "Li2O": 0.88,
      "Na2O": 2.15,
      "K2O": 5.63,
      "MgO": 0.02,
      "CaO": 5.48,
      "SrO": 1.22,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.06,
      "CuO": 0.42,
      "ZnO": 4.33,
      "SnO2": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 51.87
      },
      {
        "material": "silica",
        "amount": 24.9
      },
      {
        "material": "whiting",
        "amount": 7.48
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.54
      },
      {
        "material": "zinc oxide",
        "amount": 4.15
      },
      {
        "material": "ep kaolin",
        "amount": 2.28
      },
      {
        "material": "lithium carbonate",
        "amount": 2.08
      },
      {
        "material": "strontium carbonate",
        "amount": 1.66
      },
      {
        "material": "bentonite",
        "amount": 1.04
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.04
      },
      {
        "material": "copper carbonate",
        "amount": 0.62
      },
      {
        "material": "total",
        "amount": 101.66
      }
    ]
  },
  {
    "id": "5472",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.55,
      "Al2O3": 11.77,
      "Na2O": 1.35,
      "K2O": 4.52,
      "MgO": 1.66,
      "CaO": 12.87,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 1.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "5474",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.56,
      "Al2O3": 13.87,
      "Na2O": 1.97,
      "K2O": 6.61,
      "MgO": 0.21,
      "CaO": 10.74,
      "P2O5": 0.01,
      "TiO2": 6.73,
      "Fe2O3": 1.22,
      "CoO": 1.48,
      "ZnO": 1.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.5
      },
      {
        "material": "zinc oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "5475",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.73,
      "Al2O3": 11.79,
      "Na2O": 1.4,
      "K2O": 4.74,
      "MgO": 1.06,
      "CaO": 8.05,
      "BaO": 7.56,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "MnO": 0.09,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "barnard slip",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
  {
    "id": "5517",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.71,
      "Al2O3": 7.75,
      "B2O3": 6.52,
      "Na2O": 1.01,
      "K2O": 6.83,
      "MgO": 1.78,
      "CaO": 13.13,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "CuO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.6
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "gerstley borate",
        "amount": 21.8
      },
      {
        "material": "whiting",
        "amount": 11.4
      },
      {
        "material": "dolomite",
        "amount": 3.7
      },
      {
        "material": "copper carbonate",
        "amount": 2.9
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.9
      }
    ]
  },
  {
    "id": "5518",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.77,
      "Al2O3": 4.59,
      "B2O3": 3.63,
      "Na2O": 13.76,
      "K2O": 1.59,
      "MgO": 0.25,
      "CaO": 5.5,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 8.79,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 70.1
      },
      {
        "material": "silica",
        "amount": 8.8
      },
      {
        "material": "gerstley borate",
        "amount": 7.6
      },
      {
        "material": "soda ash",
        "amount": 7.5
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "red stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "5534",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 10.92,
      "B2O3": 4.27,
      "Na2O": 2.53,
      "K2O": 1.96,
      "MgO": 1.85,
      "CaO": 10.54,
      "P2O5": 0.05,
      "TiO2": 3.44,
      "Fe2O3": 3.26,
      "CoO": 1.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.8
      },
      {
        "material": "total",
        "amount": 110.8
      }
    ]
  },
  {
    "id": "5538",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.97,
      "Al2O3": 15.23,
      "Na2O": 3.96,
      "K2O": 1.9,
      "MgO": 0.44,
      "CaO": 20.27,
      "BaO": 7.37,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.21,
      "MnO": 0.03,
      "Fe2O3": 0.21,
      "SnO2": 6.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.5
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "5539",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.58,
      "Al2O3": 12.5,
      "Na2O": 3.46,
      "K2O": 1.68,
      "MgO": 3.75,
      "CaO": 14.58,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.1,
      "MnO": 0.03,
      "Fe2O3": 0.24,
      "SnO2": 4.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 31.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "5540",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.29,
      "Al2O3": 12.87,
      "Li2O": 2.43,
      "Na2O": 0.08,
      "K2O": 0.06,
      "MgO": 0.41,
      "CaO": 12.02,
      "BaO": 18.3,
      "P2O5": 0.08,
      "TiO2": 0.05,
      "Cr2O3": 0.05,
      "MnO": 0.03,
      "Fe2O3": 0.16,
      "SnO2": 6.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - australian",
        "amount": 31.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 26.0
      },
      {
        "material": "barium carbonate",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 105.05
      }
    ]
  },
  {
    "id": "5542",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.38,
      "Al2O3": 12.58,
      "Li2O": 1.66,
      "Na2O": 0.04,
      "K2O": 0.08,
      "MgO": 9.31,
      "CaO": 1.15,
      "SrO": 12.58,
      "P2O5": 0.08,
      "TiO2": 0.1,
      "MnO": 0.0,
      "Fe2O3": 0.31,
      "CoO": 0.68,
      "ZnO": 13.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "talc - amtalc c98/pioneer",
        "amount": 29.0
      },
      {
        "material": "spodumene - australian",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "strontium carbonate",
        "amount": 16.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "5569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.45,
      "Al2O3": 9.52,
      "Na2O": 1.48,
      "K2O": 6.46,
      "MgO": 0.06,
      "CaO": 10.51,
      "P2O5": 0.08,
      "TiO2": 0.45,
      "Fe2O3": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "volcanic ash - great plains",
        "amount": 80.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "5570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.01,
      "Al2O3": 12.2,
      "Na2O": 3.12,
      "K2O": 1.49,
      "MgO": 0.5,
      "CaO": 13.95,
      "BaO": 11.24,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.2,
      "MnO": 0.03,
      "Fe2O3": 0.19,
      "SnO2": 5.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 31.5
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 30.5
      },
      {
        "material": "barium carbonate",
        "amount": 14.5
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "5597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.6,
      "Al2O3": 14.51,
      "B2O3": 2.62,
      "Li2O": 0.37,
      "Na2O": 1.88,
      "K2O": 3.3,
      "MgO": 0.1,
      "CaO": 15.05,
      "SrO": 0.37,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "ZrO2": 0.37,
      "Fe2O3": 0.21,
      "ZnO": 0.07,
      "F": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "whiting",
        "amount": 21.7
      },
      {
        "material": "ferro frit cc-279-3",
        "amount": 13.2
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "specific gravity",
        "amount": 1.4
      }
    ]
  },
  {
    "id": "5623",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.45,
      "Al2O3": 12.31,
      "Li2O": 1.33,
      "Na2O": 2.03,
      "K2O": 2.45,
      "MgO": 3.15,
      "CaO": 5.87,
      "TiO2": 6.74,
      "Fe2O3": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "hyplas 71 ball clay p3354",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "alumina",
        "amount": 3.7
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "5626",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.04,
      "Al2O3": 11.13,
      "B2O3": 6.57,
      "Na2O": 3.29,
      "K2O": 1.49,
      "MgO": 5.45,
      "CaO": 5.42,
      "SrO": 0.02,
      "BaO": 0.01,
      "TiO2": 0.64,
      "Fe2O3": 11.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "refined overberg earthenware",
        "amount": 50.0
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 23.4
      },
      {
        "material": "talc - cps",
        "amount": 16.2
      },
      {
        "material": "wollastonite",
        "amount": 5.7
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "5651",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.6,
      "Al2O3": 19.6,
      "B2O3": 2.87,
      "Na2O": 3.49,
      "K2O": 3.9,
      "MgO": 6.53,
      "CaO": 18.74,
      "Fe2O3": 0.15,
      "ZnO": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 23.42
      },
      {
        "material": "dolomite",
        "amount": 23.42
      },
      {
        "material": "kaolin",
        "amount": 23.42
      },
      {
        "material": "pemco frit p-25",
        "amount": 13.51
      },
      {
        "material": "whiting",
        "amount": 13.51
      },
      {
        "material": "bentonite",
        "amount": 2.7
      },
      {
        "material": "total",
        "amount": 99.98
      }
    ]
  },
  {
    "id": "5658",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.77,
      "Al2O3": 10.11,
      "Li2O": 0.45,
      "Na2O": 0.72,
      "K2O": 2.42,
      "CaO": 12.56,
      "ZrO2": 12.49,
      "Fe2O3": 0.02,
      "ZnO": 7.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 21.68
      },
      {
        "material": "silica",
        "amount": 19.98
      },
      {
        "material": "whiting",
        "amount": 19.98
      },
      {
        "material": "superpax",
        "amount": 16.68
      },
      {
        "material": "kaolin",
        "amount": 9.99
      },
      {
        "material": "zinc oxide",
        "amount": 6.69
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "5667",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.12,
      "Al2O3": 14.5,
      "B2O3": 1.6,
      "Li2O": 1.92,
      "Na2O": 0.85,
      "K2O": 0.26,
      "MgO": 5.4,
      "CaO": 8.79,
      "TiO2": 0.29,
      "Cr2O3": 0.15,
      "Fe2O3": 2.12,
      "SnO2": 5.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 111.31
      }
    ]
  },
  {
    "id": "5692",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.48,
      "Al2O3": 17.64,
      "B2O3": 0.48,
      "Na2O": 4.61,
      "K2O": 8.74,
      "MgO": 0.02,
      "CaO": 0.85,
      "Fe2O3": 0.02,
      "CuO": 1.22,
      "SnO2": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 80.0
      },
      {
        "material": "total base recipe",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 2.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "5694",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.88,
      "Al2O3": 13.11,
      "Na2O": 0.94,
      "K2O": 3.47,
      "MgO": 0.06,
      "CaO": 12.42,
      "TiO2": 0.01,
      "FeO": 0.27,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 21.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "5698",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.92,
      "Al2O3": 14.35,
      "B2O3": 3.22,
      "Li2O": 1.23,
      "Na2O": 4.94,
      "K2O": 0.03,
      "MgO": 3.9,
      "CaO": 7.72,
      "SrO": 0.06,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 14.73,
      "Fe2O3": 0.09,
      "CuO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.0
      },
      {
        "material": "zircopax",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "spodumene",
        "amount": 14.0
      },
      {
        "material": "gillespie borate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "5734",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.6,
      "Al2O3": 19.35,
      "Na2O": 0.92,
      "K2O": 3.11,
      "MgO": 8.03,
      "CaO": 20.59,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 29.7
      },
      {
        "material": "dolomite",
        "amount": 28.3
      },
      {
        "material": "custer feldspar",
        "amount": 23.1
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "5742",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.71,
      "Al2O3": 10.09,
      "B2O3": 6.91,
      "Na2O": 2.39,
      "K2O": 4.62,
      "MgO": 0.9,
      "CaO": 5.14,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 2.17,
      "CoO": 0.34,
      "ZnO": 9.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.42
      },
      {
        "material": "gerstley borate",
        "amount": 24.24
      },
      {
        "material": "silica",
        "amount": 19.19
      },
      {
        "material": "zinc oxide",
        "amount": 9.09
      },
      {
        "material": "kaolin",
        "amount": 5.05
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.51
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "5743",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.39,
      "Al2O3": 9.41,
      "Na2O": 0.8,
      "K2O": 2.68,
      "MgO": 4.21,
      "CaO": 11.2,
      "P2O5": 0.03,
      "TiO2": 4.8,
      "Fe2O3": 0.65,
      "CoO": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.25
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 18.75
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "talc",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 106.25
      }
    ]
  },
  {
    "id": "5744",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.05,
      "Al2O3": 11.19,
      "B2O3": 11.76,
      "Na2O": 3.93,
      "K2O": 3.01,
      "MgO": 1.63,
      "CaO": 9.7,
      "P2O5": 0.04,
      "TiO2": 2.61,
      "Fe2O3": 0.57,
      "CoO": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 60.0
      },
      {
        "material": "gerstley borate",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "5765",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 15.78,
      "Na2O": 4.48,
      "K2O": 2.09,
      "MgO": 0.15,
      "CaO": 12.45,
      "TiO2": 0.18,
      "Fe2O3": 0.2,
      "CuO": 5.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.1
      },
      {
        "material": "silica",
        "amount": 24.14
      },
      {
        "material": "whiting",
        "amount": 20.69
      },
      {
        "material": "tile #6 kaolin",
        "amount": 12.07
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.31
      },
      {
        "material": "bentonite",
        "amount": 2.59
      },
      {
        "material": "copper carbonate",
        "amount": 0.86
      },
      {
        "material": "total",
        "amount": 107.76
      }
    ]
  },
  {
    "id": "5775",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.93,
      "Al2O3": 7.18,
      "B2O3": 15.76,
      "Na2O": 2.36,
      "K2O": 0.3,
      "MgO": 2.08,
      "CaO": 11.44,
      "P2O5": 0.1,
      "TiO2": 0.13,
      "Cr2O3": 2.35,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "5787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.39,
      "Al2O3": 18.39,
      "Na2O": 1.63,
      "K2O": 5.29,
      "MgO": 1.32,
      "CaO": 13.61,
      "P2O5": 1.31,
      "TiO2": 3.63,
      "Fe2O3": 4.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.17
      },
      {
        "material": "ep kaolin",
        "amount": 24.27
      },
      {
        "material": "whiting",
        "amount": 20.68
      },
      {
        "material": "talc",
        "amount": 3.88
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.88
      },
      {
        "material": "rutile",
        "amount": 3.88
      },
      {
        "material": "bone ash",
        "amount": 2.91
      },
      {
        "material": "bentonite",
        "amount": 1.94
      },
      {
        "material": "total",
        "amount": 112.61
      }
    ]
  },
  {
    "id": "5788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.36,
      "Al2O3": 20.23,
      "Na2O": 3.6,
      "K2O": 2.48,
      "MgO": 1.29,
      "CaO": 14.21,
      "P2O5": 1.25,
      "TiO2": 3.46,
      "Fe2O3": 4.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.18
      },
      {
        "material": "kaolin",
        "amount": 24.24
      },
      {
        "material": "whiting",
        "amount": 20.74
      },
      {
        "material": "talc",
        "amount": 3.83
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 3.83
      },
      {
        "material": "rutile",
        "amount": 3.83
      },
      {
        "material": "bone ash",
        "amount": 2.93
      },
      {
        "material": "bentonite",
        "amount": 1.92
      },
      {
        "material": "total",
        "amount": 112.5
      }
    ]
  },
  {
    "id": "5798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.9,
      "Al2O3": 17.85,
      "Na2O": 1.28,
      "K2O": 9.43,
      "MgO": 0.01,
      "CaO": 9.85,
      "BaO": 5.07,
      "TiO2": 5.87,
      "Fe2O3": 2.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 51.06
      },
      {
        "material": "whiting",
        "amount": 17.02
      },
      {
        "material": "kaolin",
        "amount": 12.77
      },
      {
        "material": "nepheline syenite",
        "amount": 12.77
      },
      {
        "material": "barium carbonate",
        "amount": 6.38
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.38
      },
      {
        "material": "red iron oxide",
        "amount": 2.13
      },
      {
        "material": "total",
        "amount": 108.51
      }
    ]
  },
  {
    "id": "5817",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.18,
      "Al2O3": 9.61,
      "Na2O": 0.0,
      "K2O": 7.17,
      "MgO": 0.01,
      "CaO": 8.56,
      "P2O5": 0.01,
      "TiO2": 5.14,
      "Fe2O3": 0.04,
      "ZnO": 12.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.3
      },
      {
        "material": "silica",
        "amount": 26.9
      },
      {
        "material": "whiting",
        "amount": 14.9
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "5824",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.77,
      "Al2O3": 20.27,
      "Na2O": 1.53,
      "K2O": 5.13,
      "MgO": 6.09,
      "CaO": 11.45,
      "P2O5": 0.08,
      "TiO2": 5.77,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.96
      },
      {
        "material": "ep kaolin",
        "amount": 27.47
      },
      {
        "material": "dolomite",
        "amount": 24.18
      },
      {
        "material": "whiting",
        "amount": 4.4
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 5.49
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "5830",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.41,
      "Al2O3": 23.5,
      "Na2O": 2.68,
      "K2O": 9.5,
      "TiO2": 0.51,
      "Fe2O3": 0.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 1.0
      },
      {
        "material": "hvar ball clay",
        "amount": 1.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 3.0
      }
    ]
  },
  {
    "id": "5832",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.42,
      "Al2O3": 23.15,
      "Na2O": 2.77,
      "K2O": 9.18,
      "MgO": 0.1,
      "CaO": 0.11,
      "TiO2": 0.35,
      "Fe2O3": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.3
      },
      {
        "material": "potash feldspar",
        "amount": 33.3
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 33.3
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "5840",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.04,
      "Al2O3": 37.67,
      "Na2O": 6.59,
      "K2O": 3.09,
      "MgO": 0.07,
      "CaO": 0.47,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "alumina hydrate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "5841",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.72,
      "Al2O3": 10.66,
      "B2O3": 11.19,
      "Na2O": 5.17,
      "K2O": 0.59,
      "MgO": 0.05,
      "CaO": 11.47,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 82.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "5842",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.02,
      "Al2O3": 14.53,
      "Na2O": 0.03,
      "K2O": 0.44,
      "MgO": 0.92,
      "CaO": 21.36,
      "TiO2": 0.65,
      "Fe2O3": 1.33,
      "CoO": 1.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 25.0
      },
      {
        "material": "portland cement",
        "amount": 25.0
      },
      {
        "material": "sand",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 75.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 77.0
      }
    ]
  },
  {
    "id": "5884",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.07,
      "Al2O3": 14.28,
      "B2O3": 4.39,
      "Na2O": 4.7,
      "K2O": 1.78,
      "MgO": 0.02,
      "CaO": 13.73,
      "P2O5": 0.04,
      "TiO2": 5.27,
      "Fe2O3": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 43.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "total base recipe",
        "amount": 100.4
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.4
      }
    ]
  },
  {
    "id": "5889",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.36,
      "Al2O3": 13.47,
      "Li2O": 0.42,
      "Na2O": 0.7,
      "K2O": 2.65,
      "MgO": 0.07,
      "CaO": 12.56,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "MnO": 0.0,
      "Fe2O3": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "spodumene - australian",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "5893",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.2,
      "Al2O3": 9.54,
      "B2O3": 4.36,
      "Na2O": 2.6,
      "K2O": 2.18,
      "MgO": 0.69,
      "CaO": 7.38,
      "SrO": 9.01,
      "TiO2": 3.82,
      "Fe2O3": 0.53,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "5894",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.03,
      "Al2O3": 9.36,
      "B2O3": 4.28,
      "Na2O": 2.55,
      "K2O": 2.14,
      "MgO": 0.68,
      "CaO": 7.24,
      "SrO": 8.84,
      "TiO2": 3.74,
      "Fe2O3": 2.5,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "5895",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.4,
      "Al2O3": 9.58,
      "B2O3": 4.38,
      "Na2O": 2.6,
      "K2O": 2.19,
      "MgO": 0.7,
      "CaO": 7.41,
      "SrO": 9.04,
      "TiO2": 3.83,
      "Fe2O3": 0.54,
      "CuO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "5896",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.51,
      "Al2O3": 8.3,
      "B2O3": 3.8,
      "Na2O": 2.26,
      "K2O": 1.9,
      "MgO": 0.6,
      "CaO": 6.43,
      "SrO": 7.84,
      "Fe2O3": 5.36,
      "SnO2": 12.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "5897",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 9.53,
      "B2O3": 4.36,
      "Na2O": 2.59,
      "K2O": 2.18,
      "MgO": 0.69,
      "CaO": 7.37,
      "SrO": 9.0,
      "TiO2": 2.62,
      "Fe2O3": 0.4,
      "CoO": 0.15,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.98
      },
      {
        "material": "rutile",
        "amount": 2.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.23
      },
      {
        "material": "total",
        "amount": 105.96
      }
    ]
  },
  {
    "id": "5898",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.59,
      "Al2O3": 9.45,
      "B2O3": 4.32,
      "Na2O": 2.57,
      "K2O": 2.16,
      "MgO": 0.69,
      "CaO": 7.31,
      "SrO": 8.92,
      "TiO2": 3.78,
      "Fe2O3": 0.53,
      "CuO": 1.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "5899",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.39,
      "Al2O3": 9.9,
      "B2O3": 4.53,
      "Na2O": 2.69,
      "K2O": 2.26,
      "MgO": 0.72,
      "CaO": 7.66,
      "SrO": 9.35,
      "Fe2O3": 0.12,
      "CoO": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "5964",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.38,
      "Al2O3": 10.66,
      "Na2O": 0.01,
      "K2O": 6.55,
      "MgO": 3.08,
      "CaO": 5.42,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 9.23,
      "CoO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "5967",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.4,
      "Al2O3": 8.35,
      "B2O3": 3.72,
      "Li2O": 1.17,
      "Na2O": 3.21,
      "K2O": 2.99,
      "MgO": 0.59,
      "CaO": 8.81,
      "SrO": 0.07,
      "TiO2": 3.83,
      "Fe2O3": 0.49,
      "CoO": 0.67,
      "ZnO": 1.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.7
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 32.8
      },
      {
        "material": "gillespie borate",
        "amount": 14.3
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "lithium carbonate",
        "amount": 2.7
      },
      {
        "material": "zinc oxide",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "5968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.18,
      "Al2O3": 11.18,
      "B2O3": 3.1,
      "Na2O": 5.66,
      "K2O": 0.02,
      "MgO": 7.21,
      "CaO": 5.19,
      "SrO": 0.06,
      "Fe2O3": 0.07,
      "CoO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "gillespie borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "5969",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.6,
      "Al2O3": 9.04,
      "B2O3": 2.19,
      "Li2O": 1.24,
      "Na2O": 0.53,
      "K2O": 0.83,
      "MgO": 4.58,
      "CaO": 10.05,
      "SrO": 0.04,
      "TiO2": 0.72,
      "Fe2O3": 0.43,
      "Cu2O": 3.69,
      "SnO2": 5.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hyplas 71 ball clay",
        "amount": 42.7
      },
      {
        "material": "silica",
        "amount": 23.8
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "gillespie borate",
        "amount": 8.5
      },
      {
        "material": "wollastonite",
        "amount": 4.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.8
      },
      {
        "material": "red copper oxide",
        "amount": 3.51
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.31
      }
    ]
  },
  {
    "id": "5970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.82,
      "Al2O3": 9.7,
      "B2O3": 4.29,
      "Li2O": 0.88,
      "Na2O": 1.96,
      "K2O": 1.85,
      "MgO": 4.15,
      "CaO": 8.73,
      "SrO": 0.08,
      "TiO2": 15.62,
      "Fe2O3": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hyplas 71 ball clay",
        "amount": 29.5
      },
      {
        "material": "silica",
        "amount": 19.4
      },
      {
        "material": "gillespie borate",
        "amount": 17.8
      },
      {
        "material": "dolomite",
        "amount": 15.5
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 15.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.9
      }
    ]
  },
  {
    "id": "5971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.32,
      "Al2O3": 9.61,
      "B2O3": 4.25,
      "Li2O": 0.87,
      "Na2O": 1.94,
      "K2O": 1.83,
      "MgO": 4.11,
      "CaO": 8.64,
      "SrO": 0.08,
      "TiO2": 15.98,
      "FeO": 0.46,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hyplas 71 ball clay",
        "amount": 29.5
      },
      {
        "material": "silica",
        "amount": 19.4
      },
      {
        "material": "gillespie borate",
        "amount": 17.8
      },
      {
        "material": "dolomite",
        "amount": 15.5
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 15.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "granular ilmenite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 118.9
      }
    ]
  },
  {
    "id": "5974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.39,
      "Al2O3": 17.0,
      "Li2O": 1.75,
      "Na2O": 4.62,
      "K2O": 5.18,
      "MgO": 0.04,
      "CaO": 0.02,
      "SrO": 17.37,
      "Fe2O3": 0.2,
      "CuO": 2.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 56.0
      },
      {
        "material": "strontium carbonate",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "5994",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.51,
      "Al2O3": 3.94,
      "B2O3": 10.73,
      "Li2O": 4.59,
      "Na2O": 2.17,
      "K2O": 0.43,
      "MgO": 1.46,
      "CaO": 19.76,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6000",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.87,
      "Al2O3": 4.96,
      "B2O3": 2.13,
      "Li2O": 3.38,
      "Na2O": 12.38,
      "K2O": 1.94,
      "MgO": 0.1,
      "CaO": 5.11,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 78.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 0.33
      },
      {
        "material": "total",
        "amount": 102.33
      }
    ]
  },
  {
    "id": "6015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.7,
      "Al2O3": 2.81,
      "B2O3": 1.04,
      "Na2O": 5.97,
      "K2O": 0.99,
      "CaO": 2.39,
      "CoO": 1.82,
      "ZnO": 28.29,
      "SnO2": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 4110",
        "amount": 40.0
      },
      {
        "material": "zinc oxide",
        "amount": 29.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.56,
      "Al2O3": 8.38,
      "Li2O": 3.24,
      "Na2O": 1.87,
      "K2O": 1.99,
      "MgO": 0.94,
      "CaO": 1.22,
      "BaO": 3.66,
      "TiO2": 2.12,
      "Fe2O3": 0.46,
      "ZnO": 20.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.37
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 21.74
      },
      {
        "material": "zinc oxide",
        "amount": 19.77
      },
      {
        "material": "lithium carbonate",
        "amount": 7.64
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "barium carbonate",
        "amount": 4.53
      },
      {
        "material": "dolomite",
        "amount": 3.67
      },
      {
        "material": "total base recipe",
        "amount": 102.72
      },
      {
        "material": "rutile",
        "amount": 2.26
      },
      {
        "material": "total",
        "amount": 104.98
      }
    ]
  },
  {
    "id": "6020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.04,
      "Al2O3": 14.4,
      "Na2O": 1.15,
      "K2O": 3.08,
      "MgO": 0.41,
      "CaO": 6.41,
      "TiO2": 0.53,
      "Fe2O3": 4.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lizella clay",
        "amount": 50.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6025",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.0,
      "Al2O3": 11.2,
      "B2O3": 2.09,
      "Na2O": 2.15,
      "K2O": 4.07,
      "MgO": 2.92,
      "CaO": 11.05,
      "TiO2": 4.12,
      "Fe2O3": 2.43,
      "CoO": 0.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "6026",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.18,
      "Al2O3": 12.24,
      "B2O3": 3.69,
      "Na2O": 2.31,
      "K2O": 2.22,
      "MgO": 2.9,
      "CaO": 10.03,
      "TiO2": 4.1,
      "Fe2O3": 2.39,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "6027",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.88,
      "Al2O3": 10.99,
      "B2O3": 2.05,
      "Na2O": 2.11,
      "K2O": 4.0,
      "MgO": 2.87,
      "CaO": 10.84,
      "TiO2": 4.05,
      "Fe2O3": 4.28,
      "CoO": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "6028",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.06,
      "Al2O3": 12.01,
      "B2O3": 3.62,
      "Na2O": 2.26,
      "K2O": 2.18,
      "MgO": 2.85,
      "CaO": 9.84,
      "TiO2": 4.02,
      "Fe2O3": 4.23,
      "CoO": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "6029",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.8,
      "Al2O3": 10.79,
      "B2O3": 2.01,
      "Na2O": 2.07,
      "K2O": 3.92,
      "MgO": 2.81,
      "CaO": 10.64,
      "TiO2": 3.97,
      "Fe2O3": 6.06,
      "CoO": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "6030",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.99,
      "Al2O3": 11.78,
      "B2O3": 3.55,
      "Na2O": 2.22,
      "K2O": 2.14,
      "MgO": 2.79,
      "CaO": 9.66,
      "TiO2": 3.94,
      "Fe2O3": 6.01,
      "CoO": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "6031",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.17,
      "Al2O3": 11.43,
      "B2O3": 2.13,
      "Na2O": 2.19,
      "K2O": 4.15,
      "MgO": 2.98,
      "CaO": 11.27,
      "TiO2": 4.21,
      "Fe2O3": 0.5,
      "CoO": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "6032",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.34,
      "Al2O3": 12.48,
      "B2O3": 3.76,
      "Na2O": 2.35,
      "K2O": 2.27,
      "MgO": 2.96,
      "CaO": 10.23,
      "TiO2": 4.18,
      "Fe2O3": 0.48,
      "CoO": 0.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "6034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.76,
      "Al2O3": 12.11,
      "B2O3": 2.26,
      "Na2O": 2.33,
      "K2O": 4.4,
      "MgO": 3.16,
      "CaO": 11.94,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6036",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.91,
      "Al2O3": 13.22,
      "B2O3": 3.98,
      "Na2O": 2.49,
      "K2O": 2.4,
      "MgO": 3.13,
      "CaO": 10.83,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6037",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.27,
      "Al2O3": 11.06,
      "B2O3": 2.06,
      "Na2O": 2.12,
      "K2O": 4.02,
      "MgO": 2.88,
      "CaO": 10.91,
      "TiO2": 5.43,
      "Fe2O3": 0.64,
      "CuO": 2.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6038",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.44,
      "Al2O3": 12.09,
      "B2O3": 3.64,
      "Na2O": 2.28,
      "K2O": 2.2,
      "MgO": 2.86,
      "CaO": 9.91,
      "TiO2": 5.39,
      "Fe2O3": 0.62,
      "CuO": 2.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6039",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.25,
      "Al2O3": 11.25,
      "B2O3": 2.1,
      "Na2O": 2.16,
      "K2O": 4.09,
      "MgO": 2.93,
      "CaO": 11.1,
      "TiO2": 4.6,
      "Fe2O3": 0.55,
      "CuO": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6040",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.42,
      "Al2O3": 12.29,
      "B2O3": 3.7,
      "Na2O": 2.32,
      "K2O": 2.23,
      "MgO": 2.91,
      "CaO": 10.07,
      "TiO2": 4.57,
      "Fe2O3": 0.52,
      "CuO": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6041",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.84,
      "Al2O3": 11.36,
      "B2O3": 2.12,
      "Na2O": 2.18,
      "K2O": 4.13,
      "MgO": 2.96,
      "CaO": 11.21,
      "TiO2": 4.65,
      "Fe2O3": 0.55,
      "CuO": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "6042",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.01,
      "Al2O3": 12.41,
      "B2O3": 3.74,
      "Na2O": 2.34,
      "K2O": 2.26,
      "MgO": 2.94,
      "CaO": 10.17,
      "TiO2": 4.61,
      "Fe2O3": 0.53,
      "CuO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "6043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.58,
      "Al2O3": 11.06,
      "Na2O": 1.67,
      "K2O": 5.41,
      "MgO": 0.06,
      "CaO": 3.83,
      "SrO": 10.12,
      "TiO2": 0.0,
      "FeO": 0.31,
      "Fe2O3": 0.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.2
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 5.4
      },
      {
        "material": "grolleg kaolin",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 87.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 90.4
      }
    ]
  },
  {
    "id": "6044",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.49,
      "Al2O3": 9.72,
      "B2O3": 5.91,
      "Na2O": 4.07,
      "K2O": 0.84,
      "MgO": 0.14,
      "CaO": 12.5,
      "TiO2": 0.24,
      "Fe2O3": 1.79,
      "CoO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 19.5
      },
      {
        "material": "nepheline syenite",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "6045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.24,
      "Al2O3": 10.3,
      "Na2O": 1.11,
      "K2O": 3.71,
      "MgO": 0.06,
      "CaO": 11.55,
      "TiO2": 0.18,
      "Fe2O3": 9.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6046",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.79,
      "Al2O3": 13.16,
      "B2O3": 4.84,
      "Na2O": 1.6,
      "K2O": 0.26,
      "MgO": 0.03,
      "CaO": 15.08,
      "P2O5": 0.07,
      "TiO2": 5.12,
      "Fe2O3": 6.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "6047",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.95,
      "Al2O3": 17.61,
      "Li2O": 1.39,
      "Na2O": 6.4,
      "K2O": 3.05,
      "MgO": 0.17,
      "CaO": 0.51,
      "SrO": 15.22,
      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.5
      },
      {
        "material": "strontium carbonate",
        "amount": 20.9
      },
      {
        "material": "silica",
        "amount": 7.7
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "6048",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.38,
      "Al2O3": 13.92,
      "B2O3": 4.33,
      "Na2O": 1.49,
      "K2O": 0.28,
      "MgO": 0.03,
      "CaO": 15.67,
      "P2O5": 0.07,
      "TiO2": 5.28,
      "Fe2O3": 0.79,
      "CoO": 0.91,
      "CuO": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "6049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.7,
      "Al2O3": 17.57,
      "B2O3": 3.21,
      "Na2O": 5.28,
      "K2O": 1.86,
      "MgO": 3.9,
      "CaO": 18.06,
      "P2O5": 3.5,
      "TiO2": 0.08,
      "Fe2O3": 1.51,
      "SnO2": 4.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.5
      },
      {
        "material": "ep kaolin",
        "amount": 19.5
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "bone ash",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 107.2
      }
    ]
  },
  {
    "id": "6050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.12,
      "Al2O3": 15.41,
      "B2O3": 2.93,
      "Na2O": 7.01,
      "K2O": 0.21,
      "MgO": 0.45,
      "CaO": 13.82,
      "P2O5": 0.01,
      "TiO2": 0.21,
      "Fe2O3": 1.27,
      "CuO": 3.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 18.8
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.8
      },
      {
        "material": "gerstley borate",
        "amount": 9.9
      },
      {
        "material": "silica",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 99.4
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.4
      }
    ]
  },
  {
    "id": "6051",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.88,
      "Al2O3": 14.1,
      "B2O3": 4.37,
      "Na2O": 4.96,
      "K2O": 2.86,
      "MgO": 0.62,
      "CaO": 8.97,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CuO": 0.35,
      "SnO2": 1.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "custer feldspar",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6052",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.58,
      "Al2O3": 11.81,
      "B2O3": 6.22,
      "Na2O": 4.18,
      "K2O": 0.73,
      "MgO": 0.04,
      "CaO": 13.13,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.5
      },
      {
        "material": "nepheline syenite",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6053",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.74,
      "Al2O3": 11.1,
      "B2O3": 1.07,
      "Li2O": 1.62,
      "Na2O": 1.72,
      "K2O": 5.21,
      "MgO": 1.89,
      "CaO": 11.14,
      "P2O5": 5.92,
      "TiO2": 0.03,
      "Fe2O3": 9.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.1
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.1
      }
    ]
  },
  {
    "id": "6054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.59,
      "Al2O3": 26.02,
      "Li2O": 2.59,
      "Na2O": 8.59,
      "K2O": 2.18,
      "MgO": 0.12,
      "CaO": 0.37,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6055",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.58,
      "Al2O3": 17.35,
      "Na2O": 6.75,
      "K2O": 0.06,
      "MgO": 0.02,
      "CaO": 11.95,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.13,
      "ZnO": 10.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 51.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6056",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.22,
      "Al2O3": 16.63,
      "Na2O": 0.02,
      "K2O": 7.45,
      "MgO": 0.02,
      "CaO": 13.55,
      "P2O5": 0.06,
      "TiO2": 4.79,
      "Fe2O3": 0.18,
      "CoO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.2
      },
      {
        "material": "silica",
        "amount": 15.2
      },
      {
        "material": "titanium dioxide",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 98.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6057",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.78,
      "Al2O3": 10.67,
      "Na2O": 0.0,
      "K2O": 7.82,
      "MgO": 1.91,
      "CaO": 9.09,
      "P2O5": 4.01,
      "TiO2": 0.02,
      "Fe2O3": 9.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "bone ash",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 6.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "talc",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 90.4
      },
      {
        "material": "red iron oxide",
        "amount": 9.7
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "6058",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.9,
      "Al2O3": 24.38,
      "Li2O": 2.41,
      "Na2O": 9.91,
      "K2O": 0.91,
      "MgO": 0.05,
      "CaO": 0.16,
      "P2O5": 0.02,
      "TiO2": 0.1,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 33.0
      },
      {
        "material": "spodumene",
        "amount": 28.3
      },
      {
        "material": "nepheline syenite",
        "amount": 16.7
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "soda ash",
        "amount": 7.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.3
      },
      {
        "material": "total",
        "amount": 99.8
      }
    ]
  },
  {
    "id": "6059",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.04,
      "Al2O3": 20.51,
      "Na2O": 2.78,
      "K2O": 1.85,
      "MgO": 9.63,
      "CaO": 9.04,
      "P2O5": 0.01,
      "TiO2": 0.04,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 20.9
      },
      {
        "material": "nepheline syenite",
        "amount": 19.37
      },
      {
        "material": "cornwall stone",
        "amount": 17.38
      },
      {
        "material": "talc",
        "amount": 16.24
      },
      {
        "material": "dolomite",
        "amount": 15.29
      },
      {
        "material": "whiting",
        "amount": 5.22
      },
      {
        "material": "ep kaolin",
        "amount": 3.51
      },
      {
        "material": "silica",
        "amount": 2.09
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6060",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.4,
      "Al2O3": 9.68,
      "B2O3": 3.3,
      "Na2O": 0.57,
      "K2O": 7.24,
      "MgO": 6.97,
      "CaO": 4.61,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "Fe2O3": 0.18,
      "CoO": 1.92,
      "SnO2": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6061",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.69,
      "Al2O3": 19.22,
      "Na2O": 5.97,
      "K2O": 0.11,
      "MgO": 3.62,
      "CaO": 15.37,
      "P2O5": 3.5,
      "TiO2": 0.09,
      "Fe2O3": 0.82,
      "SnO2": 4.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 43.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 7.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "6062",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.53,
      "Al2O3": 13.04,
      "Na2O": 4.3,
      "K2O": 0.06,
      "MgO": 1.31,
      "CaO": 12.55,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.9
      },
      {
        "material": "soda feldspar",
        "amount": 31.9
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "ep kaolin",
        "amount": 14.1
      },
      {
        "material": "dolomite",
        "amount": 5.2
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "6063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.67,
      "Al2O3": 11.03,
      "Na2O": 0.03,
      "K2O": 7.53,
      "MgO": 0.04,
      "CaO": 9.33,
      "TiO2": 0.13,
      "Fe2O3": 9.38,
      "CoO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "6064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.61,
      "Al2O3": 15.19,
      "Li2O": 0.77,
      "Na2O": 5.62,
      "K2O": 2.69,
      "MgO": 0.08,
      "CaO": 0.42,
      "BaO": 14.76,
      "TiO2": 9.58,
      "Fe2O3": 0.13,
      "CoO": 0.3,
      "CuO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "silicon carbide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 116.5
      }
    ]
  },
  {
    "id": "6065",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.76,
      "Al2O3": 12.45,
      "Na2O": 2.49,
      "K2O": 3.56,
      "MgO": 0.8,
      "CaO": 10.54,
      "BaO": 9.31,
      "TiO2": 0.13,
      "Fe2O3": 0.16,
      "CuO": 2.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 38.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "barium carbonate",
        "amount": 11.0
      },
      {
        "material": "custer feldspar",
        "amount": 11.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6066",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.45,
      "Al2O3": 11.59,
      "B2O3": 2.14,
      "Na2O": 2.27,
      "K2O": 4.23,
      "MgO": 3.04,
      "CaO": 11.35,
      "P2O5": 0.03,
      "TiO2": 2.12,
      "Fe2O3": 0.19,
      "CoO": 0.79,
      "CuO": 0.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.2
      },
      {
        "material": "copper carbonate",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 106.4
      }
    ]
  },
  {
    "id": "6067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.61,
      "Al2O3": 10.38,
      "B2O3": 0.26,
      "Na2O": 3.92,
      "K2O": 1.91,
      "MgO": 3.56,
      "CaO": 6.1,
      "BaO": 15.48,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.7,
      "Fe2O3": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 34.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "6068",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.49,
      "Al2O3": 16.08,
      "B2O3": 1.38,
      "Na2O": 4.07,
      "K2O": 2.5,
      "MgO": 0.12,
      "CaO": 11.17,
      "P2O5": 0.02,
      "TiO2": 0.17,
      "Fe2O3": 5.09,
      "CoO": 1.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 48.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6069",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.11,
      "Al2O3": 14.96,
      "B2O3": 0.06,
      "Na2O": 4.1,
      "K2O": 1.99,
      "MgO": 1.9,
      "CaO": 12.73,
      "TiO2": 0.25,
      "Fe2O3": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6070",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.96,
      "Al2O3": 11.67,
      "B2O3": 4.2,
      "Na2O": 4.65,
      "K2O": 1.33,
      "MgO": 5.07,
      "CaO": 9.01,
      "P2O5": 0.03,
      "TiO2": 2.54,
      "ZrO2": 6.2,
      "Fe2O3": 0.46,
      "CoO": 0.29,
      "CuO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 116.5
      }
    ]
  },
  {
    "id": "6071",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.22,
      "Al2O3": 7.83,
      "B2O3": 4.1,
      "Na2O": 4.37,
      "K2O": 1.75,
      "MgO": 1.45,
      "CaO": 12.02,
      "Fe2O3": 0.09,
      "ZnO": 3.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6072",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.75,
      "Al2O3": 11.33,
      "B2O3": 6.77,
      "Na2O": 1.78,
      "K2O": 0.09,
      "MgO": 2.03,
      "CaO": 17.9,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 29.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6073",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.2,
      "Al2O3": 13.07,
      "Na2O": 1.76,
      "K2O": 5.71,
      "MgO": 0.08,
      "CaO": 9.92,
      "TiO2": 0.14,
      "Fe2O3": 12.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "6074",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.97,
      "Al2O3": 16.14,
      "B2O3": 1.14,
      "Na2O": 4.41,
      "K2O": 2.28,
      "MgO": 0.11,
      "CaO": 17.84,
      "P2O5": 0.04,
      "TiO2": 1.66,
      "ZrO2": 6.74,
      "FeO": 1.42,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 29.0
      },
      {
        "material": "cornwall stone",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "granular ilmenite",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "6075",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.71,
      "Al2O3": 25.95,
      "Li2O": 2.54,
      "Na2O": 8.49,
      "K2O": 2.16,
      "MgO": 0.16,
      "CaO": 0.38,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6076",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.32,
      "Al2O3": 15.02,
      "B2O3": 1.86,
      "Na2O": 3.57,
      "K2O": 1.94,
      "MgO": 1.7,
      "CaO": 13.75,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 5.49,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 38.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6077",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.99,
      "Al2O3": 14.03,
      "Na2O": 1.61,
      "K2O": 5.21,
      "MgO": 0.05,
      "CaO": 12.8,
      "P2O5": 0.03,
      "TiO2": 5.1,
      "ZrO2": 6.29,
      "Fe2O3": 0.77,
      "CoO": 0.29,
      "CuO": 1.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 55.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 121.5
      }
    ]
  },
  {
    "id": "6078",
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      "Al2O3": 13.53,
      "Na2O": 1.35,
      "K2O": 4.25,
      "MgO": 3.04,
      "CaO": 20.05,
      "P2O5": 2.69,
      "TiO2": 0.06,
      "ZrO2": 3.5,
      "Fe2O3": 8.18,
      "LOI": 0.0
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        "material": "custer feldspar",
        "amount": 40.0
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      {
        "material": "whiting",
        "amount": 21.0
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      {
        "material": "ep kaolin",
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      {
        "material": "dolomite",
        "amount": 13.0
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      {
        "material": "bone ash",
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      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "superpax",
        "amount": 5.0
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      {
        "material": "bentonite",
        "amount": 3.0
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      {
        "material": "total",
        "amount": 115.0
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    ]
  },
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      "MgO": 2.08,
      "CaO": 9.85,
      "P2O5": 4.19,
      "TiO2": 0.02,
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        "material": "nepheline syenite",
        "amount": 49.0
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      {
        "material": "silica",
        "amount": 19.0
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      {
        "material": "bone ash",
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      {
        "material": "whiting",
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      {
        "material": "talc",
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      {
        "material": "ep kaolin",
        "amount": 6.0
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "red iron oxide",
        "amount": 16.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
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    ]
  },
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      "B2O3": 2.79,
      "Li2O": 1.0,
      "Na2O": 1.51,
      "K2O": 1.48,
      "MgO": 7.31,
      "CaO": 15.3,
      "SrO": 7.72,
      "P2O5": 2.65,
      "TiO2": 0.66,
      "Fe2O3": 2.39,
      "LOI": 0.0
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    "ingredients": [
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        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 24.0
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      {
        "material": "redart",
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      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "strontium carbonate",
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      },
      {
        "material": "bone ash",
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      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
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    ]
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      "Al2O3": 13.06,
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      "Na2O": 3.87,
      "K2O": 2.26,
      "MgO": 0.08,
      "CaO": 12.38,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.68,
      "CoO": 1.33,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 41.0
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      {
        "material": "silica",
        "amount": 25.0
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      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
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    "id": "6082",
    "chemical_composition": {
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      "SiO2": 62.76,
      "Al2O3": 14.05,
      "B2O3": 1.38,
      "Na2O": 2.92,
      "K2O": 7.53,
      "MgO": 0.04,
      "CaO": 7.86,
      "Fe2O3": 0.15,
      "CuO": 1.29,
      "SnO2": 2.01,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 74.0
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      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3124",
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      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "6083",
    "chemical_composition": {
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      "SiO2": 51.14,
      "Al2O3": 11.79,
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      "Na2O": 0.99,
      "K2O": 3.12,
      "MgO": 1.19,
      "CaO": 6.44,
      "P2O5": 0.16,
      "TiO2": 0.79,
      "Fe2O3": 5.17,
      "ZnO": 19.12,
      "LOI": 0.0
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    "ingredients": [
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        "material": "redart",
        "amount": 68.0
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      {
        "material": "zinc oxide",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
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    "id": "6084",
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      "SiO2": 58.51,
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      "CaO": 6.19,
      "TiO2": 6.27,
      "Fe2O3": 1.96,
      "CoO": 0.75,
      "LOI": 0.0
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    "ingredients": [
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        "material": "ferro frit 3134",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 112.0
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    ]
  },
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    "id": "6085",
    "chemical_composition": {
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      "SiO2": 56.31,
      "Al2O3": 12.53,
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      "K2O": 2.51,
      "MgO": 1.0,
      "CaO": 12.41,
      "BaO": 9.78,
      "P2O5": 0.13,
      "TiO2": 0.76,
      "Fe2O3": 4.24,
      "LOI": 0.0
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    "ingredients": [
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        "material": "redart",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "barium carbonate",
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      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
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    ]
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      "SiO2": 60.1,
      "Al2O3": 12.71,
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      "Na2O": 2.58,
      "K2O": 2.73,
      "MgO": 1.2,
      "CaO": 15.98,
      "P2O5": 0.1,
      "TiO2": 0.48,
      "Fe2O3": 3.1,
      "LOI": 0.0
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    "ingredients": [
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        "material": "redart",
        "amount": 39.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
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      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "6099",
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      "MgO": 0.03,
      "CaO": 10.33,
      "Fe2O3": 0.03,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "6100",
    "chemical_composition": {
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      "SiO2": 68.32,
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      "B2O3": 4.83,
      "Na2O": 5.91,
      "CaO": 10.08,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
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      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "kaolin",
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      {
        "material": "whiting",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "6101",
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      "SiO2": 62.58,
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      "K2O": 1.39,
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      "CaO": 9.81,
      "TiO2": 3.83,
      "Cr2O3": 1.01,
      "Fe2O3": 0.23,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "6102",
    "chemical_composition": {
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      "SiO2": 64.88,
      "Al2O3": 10.32,
      "B2O3": 4.59,
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      "CaO": 9.57,
      "TiO2": 3.82,
      "Cr2O3": 1.01,
      "Fe2O3": 0.2,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 30.0
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      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "kaolin",
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      },
      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "6103",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.16,
      "Al2O3": 11.06,
      "B2O3": 4.42,
      "Na2O": 4.82,
      "K2O": 1.34,
      "MgO": 0.03,
      "CaO": 9.43,
      "TiO2": 7.37,
      "Cr2O3": 0.97,
      "Fe2O3": 0.41,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "6104",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.37,
      "Al2O3": 9.92,
      "B2O3": 4.41,
      "Na2O": 5.39,
      "CaO": 9.2,
      "TiO2": 7.35,
      "Cr2O3": 0.97,
      "Fe2O3": 0.38,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
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      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "6105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.88,
      "Al2O3": 10.32,
      "B2O3": 4.59,
      "Na2O": 5.61,
      "CaO": 9.57,
      "TiO2": 3.82,
      "Cr2O3": 1.01,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6106",
    "chemical_composition": {
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      "SiO2": 61.96,
      "Al2O3": 11.39,
      "B2O3": 4.55,
      "Na2O": 4.96,
      "K2O": 1.38,
      "MgO": 0.03,
      "CaO": 9.71,
      "TiO2": 3.79,
      "Fe2O3": 0.23,
      "CuO": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "6107",
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      "Amt.": 0.0,
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      "K2O": 1.33,
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      "CaO": 9.33,
      "TiO2": 7.3,
      "Fe2O3": 0.41,
      "CuO": 1.92,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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      "CaO": 9.11,
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      "Fe2O3": 0.38,
      "CuO": 1.92,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 18.6,
      "Na2O": 7.82,
      "K2O": 3.67,
      "MgO": 0.08,
      "CaO": 6.53,
      "BaO": 4.13,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6112",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.09,
      "Al2O3": 20.39,
      "Na2O": 5.86,
      "K2O": 2.81,
      "MgO": 4.57,
      "CaO": 10.19,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.19,
      "CuO": 2.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.12,
      "Al2O3": 6.53,
      "B2O3": 5.9,
      "Na2O": 1.61,
      "K2O": 2.98,
      "MgO": 1.03,
      "CaO": 16.74,
      "P2O5": 0.06,
      "TiO2": 0.2,
      "Fe2O3": 13.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.32,
      "Al2O3": 14.53,
      "Na2O": 4.69,
      "K2O": 2.22,
      "MgO": 0.13,
      "CaO": 0.4,
      "BaO": 30.11,
      "TiO2": 0.17,
      "Fe2O3": 0.24,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.8
      },
      {
        "material": "barium carbonate",
        "amount": 35.4
      },
      {
        "material": "tennessee ball clay",
        "amount": 9.6
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.1
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.9
      }
    ]
  },
  {
    "id": "6128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.96,
      "Al2O3": 10.73,
      "Na2O": 5.7,
      "K2O": 0.03,
      "MgO": 0.04,
      "CaO": 8.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "ZrO2": 1.28,
      "Fe2O3": 0.09,
      "ZnO": 11.45,
      "SnO2": 7.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "zircopax",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "6130",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.6,
      "Al2O3": 9.35,
      "B2O3": 15.72,
      "Na2O": 2.36,
      "K2O": 0.32,
      "MgO": 2.08,
      "CaO": 11.42,
      "P2O5": 0.12,
      "TiO2": 0.15,
      "Fe2O3": 0.41,
      "CuO": 1.13,
      "SnO2": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6131",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.23,
      "Al2O3": 8.65,
      "B2O3": 8.97,
      "Li2O": 1.41,
      "Na2O": 2.47,
      "K2O": 2.05,
      "MgO": 0.06,
      "CaO": 6.58,
      "TiO2": 2.0,
      "ZrO2": 1.82,
      "Fe2O3": 3.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 47.6
      },
      {
        "material": "silica",
        "amount": 20.9
      },
      {
        "material": "colemanite",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 11.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.3
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "zircopax",
        "amount": 2.8
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.1
      }
    ]
  },
  {
    "id": "6148",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.03,
      "Al2O3": 10.08,
      "Li2O": 0.3,
      "Na2O": 0.94,
      "K2O": 3.1,
      "MgO": 1.04,
      "CaO": 13.21,
      "P2O5": 0.64,
      "TiO2": 0.0,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.5
      },
      {
        "material": "wollastonite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "petalite",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "bone ash",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 98.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "6157",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.42,
      "Al2O3": 21.27,
      "B2O3": 1.24,
      "Li2O": 1.12,
      "Na2O": 6.64,
      "K2O": 3.1,
      "MgO": 0.29,
      "CaO": 3.98,
      "P2O5": 0.0,
      "TiO2": 1.88,
      "Fe2O3": 0.43,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 64.8
      },
      {
        "material": "spodumene",
        "amount": 13.9
      },
      {
        "material": "ball clay",
        "amount": 7.4
      },
      {
        "material": "silica",
        "amount": 4.7
      },
      {
        "material": "gerstley borate",
        "amount": 4.6
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.94,
      "Al2O3": 11.63,
      "Na2O": 1.84,
      "K2O": 2.04,
      "MgO": 0.32,
      "CaO": 11.38,
      "P2O5": 0.01,
      "TiO2": 0.27,
      "MnO": 1.31,
      "Fe2O3": 7.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 35.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "yellow ochre",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6195",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.22,
      "Al2O3": 10.19,
      "Na2O": 1.27,
      "K2O": 2.49,
      "MgO": 0.51,
      "CaO": 12.69,
      "P2O5": 0.93,
      "TiO2": 0.03,
      "MnO": 0.03,
      "Fe2O3": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "hess pumice",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "custer - new",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6206",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.42,
      "Al2O3": 7.66,
      "B2O3": 8.43,
      "Na2O": 2.75,
      "K2O": 0.76,
      "MgO": 0.06,
      "CaO": 9.21,
      "TiO2": 0.03,
      "Fe2O3": 2.0,
      "ZnO": 5.09,
      "SnO2": 6.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 39.85
      },
      {
        "material": "silica",
        "amount": 27.35
      },
      {
        "material": "cornwall stone",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 8.87
      },
      {
        "material": "zinc oxide",
        "amount": 5.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.05
      },
      {
        "material": "red iron oxide",
        "amount": 2.14
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.19
      }
    ]
  },
  {
    "id": "6207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.88,
      "Al2O3": 7.66,
      "B2O3": 4.03,
      "Na2O": 6.04,
      "K2O": 0.02,
      "MgO": 1.41,
      "CaO": 11.22,
      "Fe2O3": 0.57,
      "ZnO": 3.12,
      "SnO2": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.12,
      "Al2O3": 11.82,
      "B2O3": 4.23,
      "Na2O": 1.93,
      "K2O": 0.94,
      "MgO": 0.1,
      "CaO": 14.85,
      "BaO": 0.0,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 0.79,
      "SnO2": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.3
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 20.7
      },
      {
        "material": "ferro frit 3195",
        "amount": 17.2
      },
      {
        "material": "nepheline syenite",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6210",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.37,
      "Al2O3": 12.62,
      "B2O3": 4.19,
      "Na2O": 1.93,
      "K2O": 3.44,
      "MgO": 3.54,
      "CaO": 8.66,
      "SrO": 1.43,
      "Fe2O3": 0.8,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.3
      },
      {
        "material": "kaolin",
        "amount": 19.8
      },
      {
        "material": "potash feldspar",
        "amount": 19.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 4.5
      },
      {
        "material": "wollastonite",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 105.75
      }
    ]
  },
  {
    "id": "6211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.03,
      "Al2O3": 12.35,
      "B2O3": 4.1,
      "Na2O": 1.88,
      "K2O": 3.37,
      "MgO": 3.47,
      "CaO": 8.48,
      "SrO": 1.4,
      "Fe2O3": 2.92,
      "SnO2": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.3
      },
      {
        "material": "kaolin",
        "amount": 19.8
      },
      {
        "material": "potash feldspar",
        "amount": 19.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 4.5
      },
      {
        "material": "wollastonite",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.75,
      "Al2O3": 12.1,
      "B2O3": 4.67,
      "Na2O": 5.15,
      "K2O": 1.43,
      "MgO": 0.07,
      "CaO": 9.98,
      "Fe2O3": 0.83,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "6213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.82,
      "Al2O3": 10.06,
      "B2O3": 4.51,
      "Na2O": 7.21,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 4.44,
      "SrO": 4.17,
      "Fe2O3": 0.77,
      "ZnO": 2.97,
      "SnO2": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "kaolin",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "6214",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.68,
      "Al2O3": 11.49,
      "Na2O": 0.09,
      "K2O": 4.81,
      "MgO": 0.13,
      "CaO": 15.68,
      "TiO2": 0.36,
      "Fe2O3": 3.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "tinkar z",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.89,
      "Al2O3": 10.37,
      "B2O3": 2.8,
      "Na2O": 5.27,
      "K2O": 2.14,
      "MgO": 0.08,
      "CaO": 17.9,
      "Fe2O3": 0.12,
      "CuO": 0.35,
      "SnO2": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.1
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "whiting",
        "amount": 24.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.3
      },
      {
        "material": "potash feldspar",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6217",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.92,
      "Al2O3": 10.19,
      "B2O3": 2.72,
      "Na2O": 2.65,
      "K2O": 7.78,
      "MgO": 1.74,
      "CaO": 6.58,
      "SrO": 2.97,
      "Fe2O3": 0.07,
      "CuO": 1.14,
      "ZnO": 2.62,
      "SnO2": 2.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.1
      },
      {
        "material": "silica",
        "amount": 15.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3110",
        "amount": 9.7
      },
      {
        "material": "dolomite",
        "amount": 7.7
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "kaolin",
        "amount": 2.6
      },
      {
        "material": "whiting",
        "amount": 2.6
      },
      {
        "material": "zinc oxide",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 106.35
      }
    ]
  },
  {
    "id": "6218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.57,
      "Al2O3": 13.93,
      "B2O3": 2.88,
      "Na2O": 6.92,
      "K2O": 2.64,
      "MgO": 0.1,
      "CaO": 8.79,
      "Fe2O3": 0.13,
      "CuO": 0.52,
      "SnO2": 1.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 104.3
      }
    ]
  },
  {
    "id": "6219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.88,
      "Al2O3": 11.68,
      "B2O3": 2.87,
      "Na2O": 8.04,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.36,
      "Fe2O3": 0.07,
      "CuO": 0.52,
      "SnO2": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 104.3
      }
    ]
  },
  {
    "id": "6220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.27,
      "Al2O3": 12.68,
      "B2O3": 5.57,
      "Li2O": 1.39,
      "Na2O": 2.54,
      "K2O": 6.52,
      "MgO": 0.04,
      "CaO": 11.42,
      "Fe2O3": 0.07,
      "CuO": 0.49,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.0
      },
      {
        "material": "spodumene",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 11.6
      },
      {
        "material": "silica",
        "amount": 9.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "6227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.45,
      "Al2O3": 16.53,
      "Na2O": 3.74,
      "K2O": 2.65,
      "MgO": 0.04,
      "CaO": 12.25,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "ZrO2": 3.56,
      "Fe2O3": 0.14,
      "ZnO": 9.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6235",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.44,
      "Al2O3": 11.31,
      "B2O3": 5.41,
      "Na2O": 4.1,
      "K2O": 0.85,
      "MgO": 0.72,
      "CaO": 7.9,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.4
      },
      {
        "material": "ep kaolin",
        "amount": 19.6
      },
      {
        "material": "nepheline syenite",
        "amount": 18.3
      },
      {
        "material": "wollastonite",
        "amount": 6.9
      },
      {
        "material": "talc",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 110.1
      }
    ]
  },
  {
    "id": "6242",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.79,
      "Al2O3": 14.59,
      "Na2O": 4.39,
      "K2O": 2.1,
      "MgO": 0.06,
      "CaO": 12.88,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.53,
      "Al2O3": 21.96,
      "Na2O": 6.6,
      "K2O": 3.15,
      "MgO": 0.08,
      "CaO": 19.37,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 70.0
      }
    ]
  },
  {
    "id": "6252",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.74,
      "Al2O3": 21.5,
      "Na2O": 4.66,
      "K2O": 5.28,
      "MgO": 4.64,
      "CaO": 10.06,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 55.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.11,
      "Al2O3": 7.44,
      "B2O3": 4.93,
      "Na2O": 2.54,
      "K2O": 2.06,
      "CaO": 8.58,
      "TiO2": 0.11,
      "Fe2O3": 7.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.9
      },
      {
        "material": "kaolin g1",
        "amount": 20.0
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 18.2
      },
      {
        "material": "potash feldspar cps",
        "amount": 14.7
      },
      {
        "material": "wollastonite",
        "amount": 14.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6262",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.46,
      "Al2O3": 11.61,
      "B2O3": 4.03,
      "Na2O": 1.91,
      "K2O": 2.61,
      "MgO": 0.3,
      "CaO": 12.67,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 2.23,
      "CoO": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "custer feldspar",
        "amount": 22.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.5
      },
      {
        "material": "gerstley borate",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6266",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.56,
      "Al2O3": 12.79,
      "B2O3": 8.59,
      "Na2O": 5.96,
      "K2O": 0.08,
      "MgO": 0.03,
      "CaO": 12.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "calcium borate frit",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 75.0,
      "Al2O3": 9.03,
      "Li2O": 3.79,
      "Na2O": 0.02,
      "K2O": 0.08,
      "MgO": 0.03,
      "CaO": 10.61,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.8
      },
      {
        "material": "whiting",
        "amount": 16.2
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "6291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.7,
      "Al2O3": 5.89,
      "B2O3": 2.18,
      "Li2O": 2.66,
      "Na2O": 6.67,
      "K2O": 2.85,
      "CaO": 3.29,
      "Fe2O3": 20.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 45.5
      },
      {
        "material": "potash feldspar dp hasta diciembre 2018",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 18.6
      },
      {
        "material": "lithium carbonate",
        "amount": 8.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 28.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 135.0
      }
    ]
  },
  {
    "id": "6292",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.5,
      "Al2O3": 12.19,
      "B2O3": 2.84,
      "Li2O": 1.02,
      "Na2O": 1.49,
      "K2O": 1.46,
      "MgO": 7.38,
      "CaO": 15.59,
      "SrO": 7.88,
      "P2O5": 2.71,
      "TiO2": 0.61,
      "Fe2O3": 2.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "redart",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.68,
      "Al2O3": 11.34,
      "B2O3": 2.65,
      "Li2O": 0.95,
      "Na2O": 1.39,
      "K2O": 1.36,
      "MgO": 6.86,
      "CaO": 14.5,
      "SrO": 7.33,
      "P2O5": 2.52,
      "TiO2": 0.57,
      "ZrO2": 4.68,
      "Fe2O3": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "redart",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6294",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.81,
      "Al2O3": 12.0,
      "B2O3": 2.8,
      "Li2O": 1.0,
      "Na2O": 1.47,
      "K2O": 1.44,
      "MgO": 7.26,
      "CaO": 15.35,
      "SrO": 7.76,
      "P2O5": 2.67,
      "TiO2": 0.6,
      "Fe2O3": 2.29,
      "NiO": 1.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "redart",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6295",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.45,
      "Al2O3": 11.91,
      "B2O3": 2.78,
      "Li2O": 0.99,
      "Na2O": 1.46,
      "K2O": 1.43,
      "MgO": 7.2,
      "CaO": 15.22,
      "SrO": 7.7,
      "P2O5": 2.64,
      "TiO2": 0.6,
      "Fe2O3": 2.27,
      "CuO": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "redart",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.41,
      "Al2O3": 12.17,
      "B2O3": 2.84,
      "Li2O": 1.01,
      "Na2O": 1.49,
      "K2O": 1.46,
      "MgO": 7.36,
      "CaO": 15.56,
      "SrO": 7.87,
      "P2O5": 2.7,
      "TiO2": 0.61,
      "Fe2O3": 2.32,
      "CoO": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "redart",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.25
      }
    ]
  },
  {
    "id": "6297",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.93,
      "Al2O3": 21.0,
      "B2O3": 1.01,
      "Li2O": 1.65,
      "Na2O": 6.98,
      "K2O": 2.41,
      "MgO": 2.71,
      "CaO": 1.27,
      "TiO2": 0.14,
      "ZrO2": 5.19,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 51.1
      },
      {
        "material": "spodumene",
        "amount": 21.4
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.6
      },
      {
        "material": "soda ash",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "6298",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.14,
      "Al2O3": 10.51,
      "B2O3": 3.73,
      "Na2O": 4.0,
      "K2O": 12.9,
      "MgO": 2.25,
      "CaO": 10.07,
      "P2O5": 4.46,
      "TiO2": 4.41,
      "Fe2O3": 3.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 34.4
      },
      {
        "material": "potash feldspar",
        "amount": 34.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.2
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.14,
      "Al2O3": 10.51,
      "B2O3": 3.73,
      "Na2O": 4.0,
      "K2O": 12.9,
      "MgO": 2.25,
      "CaO": 10.07,
      "P2O5": 4.46,
      "TiO2": 4.89,
      "Fe2O3": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 34.4
      },
      {
        "material": "potash feldspar",
        "amount": 34.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.2
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6302",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.03,
      "Al2O3": 10.79,
      "B2O3": 6.03,
      "Na2O": 1.69,
      "K2O": 3.49,
      "MgO": 0.32,
      "CaO": 11.64,
      "SrO": 0.02,
      "BaO": 0.01,
      "TiO2": 0.62,
      "Fe2O3": 13.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "refined overberg earthenware",
        "amount": 50.0
      },
      {
        "material": "frit fsb 510 discontinued",
        "amount": 22.8
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 4.7
      },
      {
        "material": "silica",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      },
      {
        "material": "specific gravity",
        "amount": 1.45
      }
    ]
  },
  {
    "id": "6321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.01,
      "Al2O3": 14.68,
      "Na2O": 6.21,
      "K2O": 1.02,
      "MgO": 0.13,
      "CaO": 10.78,
      "TiO2": 4.12,
      "Fe2O3": 0.22,
      "CuO": 2.63,
      "ZnO": 8.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 44.0
      },
      {
        "material": "cornwall stone",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.67,
      "Al2O3": 23.17,
      "Li2O": 4.03,
      "Na2O": 7.63,
      "K2O": 3.57,
      "MgO": 0.12,
      "CaO": 0.56,
      "TiO2": 5.97,
      "Fe2O3": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 78.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "6323",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.67,
      "Al2O3": 23.17,
      "Li2O": 4.03,
      "Na2O": 7.63,
      "K2O": 3.57,
      "MgO": 0.12,
      "CaO": 0.56,
      "TiO2": 6.63,
      "Fe2O3": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 78.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "6350",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.75,
      "Al2O3": 26.32,
      "Na2O": 0.35,
      "K2O": 1.56,
      "MgO": 0.32,
      "CaO": 0.1,
      "TiO2": 1.35,
      "Cr2O3": 0.79,
      "Fe2O3": 0.72,
      "CoO": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hyplas ball clay",
        "amount": 75.0
      },
      {
        "material": "kaolin",
        "amount": 24.0
      },
      {
        "material": "cornwall stone",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.75
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "6356",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.48,
      "Al2O3": 9.91,
      "B2O3": 3.72,
      "Na2O": 0.59,
      "K2O": 8.03,
      "MgO": 1.85,
      "CaO": 9.23,
      "P2O5": 0.02,
      "TiO2": 2.32,
      "ZrO2": 4.12,
      "Fe2O3": 0.36,
      "CuO": 4.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.42
      },
      {
        "material": "silica",
        "amount": 19.79
      },
      {
        "material": "gerstley borate",
        "amount": 14.32
      },
      {
        "material": "whiting",
        "amount": 8.53
      },
      {
        "material": "dolomite",
        "amount": 6.32
      },
      {
        "material": "ep kaolin",
        "amount": 2.63
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 6.98
      },
      {
        "material": "zircopax",
        "amount": 6.32
      },
      {
        "material": "rutile",
        "amount": 2.63
      },
      {
        "material": "bentonite",
        "amount": 1.05
      },
      {
        "material": "total",
        "amount": 116.99
      }
    ]
  },
  {
    "id": "6367",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.8,
      "Al2O3": 17.3,
      "B2O3": 1.14,
      "Na2O": 4.44,
      "K2O": 3.78,
      "MgO": 3.49,
      "CaO": 8.98,
      "TiO2": 0.01,
      "FeO": 0.02,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita mcs-200 testing",
        "amount": 26.98
      },
      {
        "material": "caulim branco-pb-br",
        "amount": 11.66
      },
      {
        "material": "dolomita -colombo-pr-br",
        "amount": 8.56
      },
      {
        "material": "calcita-cachoeiro-es-br",
        "amount": 8.45
      },
      {
        "material": "ferro frit 3124",
        "amount": 7.37
      },
      {
        "material": "sílica quartzo minasolo testing",
        "amount": 4.76
      },
      {
        "material": "talco magnesiano minasolo testing",
        "amount": 3.63
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.36,
      "Al2O3": 11.9,
      "Na2O": 3.28,
      "K2O": 2.3,
      "MgO": 3.37,
      "CaO": 7.19,
      "P2O5": 4.86,
      "TiO2": 0.03,
      "Fe2O3": 6.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 48.2
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "bone ash",
        "amount": 11.6
      },
      {
        "material": "ep kaolin",
        "amount": 7.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 7.1
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6384",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.22,
      "Al2O3": 25.58,
      "Li2O": 2.63,
      "Na2O": 8.5,
      "K2O": 2.12,
      "MgO": 0.1,
      "CaO": 0.36,
      "P2O5": 0.02,
      "TiO2": 0.21,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.0
      },
      {
        "material": "spodumene",
        "amount": 30.5
      },
      {
        "material": "ball clay",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6385",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.74,
      "Al2O3": 25.35,
      "Li2O": 2.05,
      "Na2O": 6.14,
      "K2O": 2.59,
      "MgO": 0.13,
      "CaO": 0.44,
      "TiO2": 0.26,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6386",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.17,
      "Al2O3": 24.7,
      "Na2O": 5.79,
      "K2O": 2.81,
      "MgO": 0.09,
      "CaO": 16.97,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6387",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.89,
      "Al2O3": 21.04,
      "Na2O": 1.79,
      "K2O": 6.0,
      "MgO": 0.03,
      "CaO": 16.78,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6388",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.44,
      "Al2O3": 11.29,
      "Na2O": 1.6,
      "K2O": 5.35,
      "MgO": 0.01,
      "CaO": 7.37,
      "BaO": 1.92,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 8.53,
      "ZnO": 2.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.38
      },
      {
        "material": "silica",
        "amount": 20.14
      },
      {
        "material": "whiting",
        "amount": 11.64
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "barium carbonate",
        "amount": 2.24
      },
      {
        "material": "zinc oxide",
        "amount": 2.24
      },
      {
        "material": "total base recipe",
        "amount": 90.04
      },
      {
        "material": "red iron oxide",
        "amount": 8.05
      },
      {
        "material": "total",
        "amount": 98.09
      }
    ]
  },
  {
    "id": "6389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.06,
      "Al2O3": 8.97,
      "B2O3": 2.67,
      "Na2O": 1.84,
      "K2O": 4.83,
      "MgO": 2.53,
      "CaO": 5.12,
      "BaO": 3.89,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.1,
      "ZnO": 1.97,
      "SnO2": 2.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.5
      },
      {
        "material": "silica",
        "amount": 26.55
      },
      {
        "material": "dolomite",
        "amount": 8.85
      },
      {
        "material": "gerstley borate",
        "amount": 8.85
      },
      {
        "material": "barium carbonate",
        "amount": 4.45
      },
      {
        "material": "tin oxide",
        "amount": 2.65
      },
      {
        "material": "ep kaolin",
        "amount": 1.75
      },
      {
        "material": "zinc oxide",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 97.35
      }
    ]
  },
  {
    "id": "6409",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 27.0,
      "Al2O3": 10.06,
      "B2O3": 38.12,
      "Na2O": 1.44,
      "K2O": 1.98,
      "MgO": 0.15,
      "CaO": 20.26,
      "Fe2O3": 0.04,
      "SnO2": 0.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcium borate frit",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6411",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.45,
      "Al2O3": 3.03,
      "B2O3": 18.28,
      "Na2O": 9.52,
      "K2O": 2.16,
      "MgO": 0.09,
      "CaO": 15.22,
      "Fe2O3": 0.14,
      "CuO": 3.02,
      "SnO2": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "high alkaline ferro p3134",
        "amount": 63.4
      },
      {
        "material": "pemco frit p2245",
        "amount": 24.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 95.4
      },
      {
        "material": "copper carbonate",
        "amount": 4.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.2,
      "Al2O3": 21.82,
      "Na2O": 7.4,
      "K2O": 6.55,
      "MgO": 4.87,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 75.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.48,
      "Al2O3": 33.31,
      "K2O": 7.17,
      "TiO2": 1.06,
      "CoO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 60.0
      },
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6422",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.8,
      "Al2O3": 6.49,
      "B2O3": 1.96,
      "Li2O": 1.87,
      "Na2O": 2.37,
      "K2O": 2.35,
      "MgO": 1.94,
      "CaO": 9.49,
      "SrO": 1.23,
      "TiO2": 3.84,
      "Fe2O3": 0.48,
      "SnO2": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 44.9
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 25.7
      },
      {
        "material": "whiting",
        "amount": 12.8
      },
      {
        "material": "gillespie borate",
        "amount": 7.5
      },
      {
        "material": "lithium carbonate",
        "amount": 4.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.2
      },
      {
        "material": "strontium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6438",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.18,
      "Al2O3": 14.84,
      "Na2O": 6.12,
      "K2O": 2.87,
      "MgO": 2.8,
      "CaO": 4.21,
      "SrO": 13.76,
      "ZrO2": 6.92,
      "Fe2O3": 3.19,
      "SnO2": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.94
      },
      {
        "material": "strontium carbonate",
        "amount": 20.91
      },
      {
        "material": "dolomite",
        "amount": 13.14
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "zircopax",
        "amount": 10.97
      },
      {
        "material": "red iron oxide",
        "amount": 3.43
      },
      {
        "material": "tin oxide",
        "amount": 3.31
      },
      {
        "material": "bentonite",
        "amount": 2.29
      },
      {
        "material": "total",
        "amount": 119.99
      }
    ]
  },
  {
    "id": "6466",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.45,
      "Al2O3": 11.56,
      "B2O3": 0.81,
      "Na2O": 3.45,
      "K2O": 2.61,
      "MgO": 0.04,
      "CaO": 11.37,
      "P2O5": 0.02,
      "TiO2": 5.38,
      "Fe2O3": 0.08,
      "ZnO": 6.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "boric acid",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 123.6
      }
    ]
  },
  {
    "id": "6500",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.23,
      "Al2O3": 12.61,
      "Na2O": 3.61,
      "K2O": 12.33,
      "MgO": 3.91,
      "CaO": 11.15,
      "P2O5": 7.14,
      "TiO2": 0.64,
      "Fe2O3": 8.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 50.0
      },
      {
        "material": "red terracotta",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6505",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.6,
      "Al2O3": 15.75,
      "Na2O": 6.63,
      "K2O": 5.18,
      "MgO": 5.09,
      "CaO": 8.62,
      "P2O5": 1.47,
      "TiO2": 0.05,
      "Fe2O3": 1.13,
      "CuO": 2.7,
      "SnO2": 10.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "wood ash",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "6506",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.47,
      "Al2O3": 17.16,
      "Na2O": 0.59,
      "K2O": 7.21,
      "MgO": 0.03,
      "CaO": 10.44,
      "TiO2": 0.03,
      "Fe2O3": 0.03,
      "ZnO": 8.01,
      "SnO2": 10.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.0
      },
      {
        "material": "cornwall stone",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6508",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.93,
      "Al2O3": 13.7,
      "Na2O": 6.45,
      "K2O": 0.13,
      "MgO": 0.1,
      "CaO": 6.06,
      "BaO": 16.59,
      "TiO2": 0.11,
      "Fe2O3": 0.22,
      "CuO": 1.03,
      "ZnO": 10.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "6509",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.96,
      "Al2O3": 22.67,
      "Na2O": 5.55,
      "K2O": 2.95,
      "MgO": 0.07,
      "CaO": 9.41,
      "TiO2": 3.79,
      "Fe2O3": 0.49,
      "CoO": 0.98,
      "ZnO": 3.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "cornwall stone",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6511",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.8,
      "Al2O3": 17.35,
      "Na2O": 2.78,
      "K2O": 7.86,
      "MgO": 1.38,
      "CaO": 7.91,
      "BaO": 10.46,
      "Fe2O3": 0.03,
      "CuO": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.1
      },
      {
        "material": "nepheline syenite",
        "amount": 25.7
      },
      {
        "material": "barium carbonate",
        "amount": 12.2
      },
      {
        "material": "whiting",
        "amount": 9.4
      },
      {
        "material": "kaolin",
        "amount": 8.2
      },
      {
        "material": "dolomite",
        "amount": 5.6
      },
      {
        "material": "silica",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "6512",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.42,
      "Al2O3": 13.62,
      "Na2O": 4.98,
      "K2O": 2.34,
      "MgO": 0.05,
      "CaO": 5.93,
      "BaO": 23.17,
      "Fe2O3": 0.05,
      "CuO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.0
      },
      {
        "material": "barium carbonate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "6513",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.62,
      "Al2O3": 12.27,
      "B2O3": 6.02,
      "Na2O": 4.21,
      "K2O": 1.68,
      "MgO": 0.83,
      "CaO": 10.92,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 1.12,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "6516",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.04,
      "Al2O3": 9.92,
      "B2O3": 3.56,
      "Na2O": 5.22,
      "K2O": 0.09,
      "MgO": 6.51,
      "CaO": 4.65,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.16,
      "CoO": 1.95,
      "ZnO": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 37.4
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "gerstley borate",
        "amount": 12.7
      },
      {
        "material": "dolomite",
        "amount": 6.4
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6517",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.34,
      "Al2O3": 12.25,
      "B2O3": 4.36,
      "Na2O": 2.65,
      "K2O": 2.2,
      "MgO": 3.71,
      "CaO": 9.11,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.3
      },
      {
        "material": "custer feldspar",
        "amount": 19.8
      },
      {
        "material": "ep kaolin",
        "amount": 19.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 9.1
      },
      {
        "material": "mason stain 6435",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 4.5
      },
      {
        "material": "wollastonite",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 106.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6518",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.93,
      "Al2O3": 20.45,
      "Na2O": 8.01,
      "K2O": 3.8,
      "MgO": 14.02,
      "CaO": 0.59,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6520",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.04,
      "Al2O3": 11.72,
      "B2O3": 4.07,
      "Na2O": 1.93,
      "K2O": 2.64,
      "MgO": 0.3,
      "CaO": 12.79,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 2.18,
      "Fe2O3": 1.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "custer feldspar",
        "amount": 22.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.5
      },
      {
        "material": "gerstley borate",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6522",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.25,
      "Al2O3": 14.98,
      "B2O3": 5.54,
      "Na2O": 6.03,
      "K2O": 2.49,
      "MgO": 0.08,
      "CaO": 5.65,
      "SrO": 7.83,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.18,
      "CoO": 1.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "strontium carbonate",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6524",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.28,
      "Al2O3": 22.5,
      "Na2O": 0.72,
      "K2O": 2.4,
      "MgO": 0.08,
      "CaO": 0.18,
      "P2O5": 0.11,
      "TiO2": 0.27,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6525",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.16,
      "Al2O3": 13.11,
      "Na2O": 5.26,
      "CaO": 12.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6526",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.96,
      "Al2O3": 11.74,
      "Na2O": 6.35,
      "CaO": 9.04,
      "ZnO": 12.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6527",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.18,
      "Al2O3": 9.89,
      "B2O3": 0.7,
      "Li2O": 2.35,
      "Na2O": 3.26,
      "K2O": 1.19,
      "MgO": 3.89,
      "CaO": 7.31,
      "SrO": 0.01,
      "Fe2O3": 10.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.2
      },
      {
        "material": "soda feldspar",
        "amount": 18.4
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 14.4
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 7.8
      },
      {
        "material": "dolomite",
        "amount": 7.1
      },
      {
        "material": "lithium carbonate",
        "amount": 6.1
      },
      {
        "material": "gillespie borate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.2
      }
    ]
  },
  {
    "id": "6528",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.61,
      "Al2O3": 8.02,
      "B2O3": 2.55,
      "Na2O": 0.57,
      "K2O": 2.08,
      "MgO": 1.11,
      "CaO": 1.97,
      "P2O5": 0.12,
      "TiO2": 0.56,
      "MnO2": 35.8,
      "Fe2O3": 3.49,
      "CoO": 2.96,
      "CuO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 77.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "manganese dioxide",
        "amount": 65.0
      },
      {
        "material": "total",
        "amount": 175.0
      }
    ]
  },
  {
    "id": "6560",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.3,
      "Al2O3": 9.95,
      "Na2O": 2.78,
      "K2O": 1.93,
      "MgO": 0.06,
      "CaO": 8.98,
      "P2O5": 0.01,
      "TiO2": 4.94,
      "Fe2O3": 0.12,
      "CoO": 3.1,
      "ZnO": 11.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "6561",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.21,
      "Al2O3": 10.86,
      "B2O3": 4.16,
      "Na2O": 4.76,
      "K2O": 2.16,
      "MgO": 0.69,
      "CaO": 9.14,
      "P2O5": 0.02,
      "TiO2": 0.06,
      "Fe2O3": 10.3,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "redart",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "6562",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 9.6,
      "B2O3": 2.53,
      "Na2O": 4.06,
      "K2O": 4.76,
      "MgO": 1.75,
      "CaO": 6.62,
      "SrO": 2.99,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.14,
      "CuO": 1.14,
      "ZnO": 2.64,
      "SnO2": 2.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.1
      },
      {
        "material": "silica",
        "amount": 15.8
      },
      {
        "material": "ferro frit 3110",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.7
      },
      {
        "material": "dolomite",
        "amount": 7.7
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "ep kaolin",
        "amount": 2.6
      },
      {
        "material": "whiting",
        "amount": 2.6
      },
      {
        "material": "zinc oxide",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 106.35
      }
    ]
  },
  {
    "id": "6563",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.11,
      "Al2O3": 6.27,
      "B2O3": 3.96,
      "Na2O": 7.65,
      "K2O": 1.21,
      "MgO": 1.39,
      "CaO": 7.03,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.19,
      "CuO": 0.99,
      "ZnO": 2.05,
      "SnO2": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.5
      },
      {
        "material": "gerstley borate",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6565",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.94,
      "Al2O3": 10.23,
      "Na2O": 1.6,
      "K2O": 0.81,
      "MgO": 0.03,
      "CaO": 15.3,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 2.18,
      "Fe2O3": 0.15,
      "ZnO": 5.4,
      "SnO2": 3.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "superpax",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6566",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.42,
      "Al2O3": 12.24,
      "Na2O": 2.55,
      "K2O": 1.25,
      "MgO": 0.04,
      "CaO": 14.76,
      "P2O5": 0.04,
      "TiO2": 5.9,
      "Fe2O3": 0.22,
      "CoO": 1.96,
      "CuO": 0.33,
      "ZnO": 5.19,
      "SnO2": 2.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 0.7
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.2
      }
    ]
  },
  {
    "id": "6569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.64,
      "Al2O3": 12.58,
      "B2O3": 1.32,
      "Na2O": 1.95,
      "K2O": 4.38,
      "MgO": 3.1,
      "CaO": 11.06,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.2,
      "CoO": 0.33,
      "CuO": 1.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "6571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.45,
      "Al2O3": 6.42,
      "B2O3": 9.26,
      "Na2O": 3.88,
      "K2O": 2.72,
      "MgO": 1.81,
      "CaO": 7.24,
      "P2O5": 0.02,
      "TiO2": 1.9,
      "Fe2O3": 0.33,
      "CuO": 1.68,
      "ZnO": 6.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "custer feldspar",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "nepheline syenite",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "6592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.94,
      "Al2O3": 20.33,
      "Na2O": 5.84,
      "K2O": 2.8,
      "MgO": 4.56,
      "CaO": 10.16,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6594",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.09,
      "Al2O3": 16.9,
      "Li2O": 0.9,
      "Na2O": 5.98,
      "K2O": 2.81,
      "MgO": 0.06,
      "CaO": 0.43,
      "BaO": 21.55,
      "Fe2O3": 0.06,
      "CuO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "6596",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.52,
      "Al2O3": 13.13,
      "Na2O": 1.08,
      "K2O": 3.61,
      "MgO": 2.28,
      "CaO": 6.69,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 9.62,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.7
      },
      {
        "material": "silica",
        "amount": 29.7
      },
      {
        "material": "ep kaolin",
        "amount": 19.1
      },
      {
        "material": "dolomite",
        "amount": 10.4
      },
      {
        "material": "iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 6.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 112.5
      }
    ]
  },
  {
    "id": "6601",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 15.55,
      "Al2O3": 5.97,
      "Li2O": 10.44,
      "Na2O": 2.51,
      "K2O": 1.18,
      "MgO": 0.03,
      "CaO": 0.18,
      "BaO": 39.79,
      "Fe2O3": 24.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "lithium carbonate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6602",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.95,
      "Al2O3": 19.73,
      "B2O3": 2.48,
      "Li2O": 12.23,
      "Na2O": 1.16,
      "K2O": 0.29,
      "MgO": 0.05,
      "CaO": 2.62,
      "P2O5": 0.12,
      "TiO2": 0.18,
      "Fe2O3": 0.37,
      "Cu2O": 4.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "lithium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "red copper oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6627",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.99,
      "Al2O3": 13.17,
      "B2O3": 3.23,
      "Na2O": 5.87,
      "K2O": 2.57,
      "MgO": 0.52,
      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 10.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "6630",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.35,
      "Al2O3": 11.03,
      "B2O3": 2.58,
      "K2O": 8.06,
      "MgO": 5.21,
      "CaO": 8.61,
      "ZrO2": 7.64,
      "MnO2": 1.8,
      "Fe2O3": 0.98,
      "CoO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "calcium borate frit",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 108.75
      }
    ]
  },
  {
    "id": "6633",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.98,
      "Al2O3": 12.19,
      "B2O3": 9.41,
      "Na2O": 6.03,
      "CaO": 14.57,
      "MnO2": 0.49,
      "CoO": 0.11,
      "NiO": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "calcium borate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "black nickel oxide",
        "amount": 0.2
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 93.8
      }
    ]
  },
  {
    "id": "6660",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.71,
      "Al2O3": 13.17,
      "B2O3": 5.92,
      "Na2O": 3.72,
      "K2O": 0.73,
      "MgO": 0.03,
      "CaO": 10.35,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nc-4 feldspar",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.44,
      "Al2O3": 8.35,
      "B2O3": 2.97,
      "Na2O": 1.38,
      "K2O": 7.11,
      "MgO": 1.94,
      "CaO": 10.86,
      "SrO": 3.07,
      "P2O5": 0.71,
      "Fe2O3": 0.07,
      "CuO": 0.5,
      "SnO2": 2.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.2
      },
      {
        "material": "silica",
        "amount": 25.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "dolomite",
        "amount": 8.3
      },
      {
        "material": "whiting",
        "amount": 8.1
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "bone ash",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 106.05
      }
    ]
  },
  {
    "id": "6662",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.94,
      "Al2O3": 11.17,
      "Na2O": 2.51,
      "K2O": 1.7,
      "MgO": 0.06,
      "CaO": 8.37,
      "TiO2": 0.18,
      "Fe2O3": 0.19,
      "ZnO": 11.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.9
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.8
      },
      {
        "material": "whiting",
        "amount": 12.8
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6663",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.84,
      "Al2O3": 12.62,
      "B2O3": 1.49,
      "Na2O": 1.83,
      "K2O": 8.52,
      "MgO": 0.12,
      "CaO": 9.14,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 0.73,
      "ZnO": 4.52,
      "SnO2": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.1
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 13.2
      },
      {
        "material": "kaolin",
        "amount": 5.5
      },
      {
        "material": "zinc oxide",
        "amount": 4.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.1
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 105.9
      }
    ]
  },
  {
    "id": "6664",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.19,
      "Al2O3": 6.47,
      "B2O3": 3.44,
      "Na2O": 8.01,
      "K2O": 1.1,
      "MgO": 1.0,
      "CaO": 6.8,
      "Fe2O3": 0.07,
      "CuO": 0.96,
      "ZnO": 1.98,
      "SnO2": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "kaolin",
        "amount": 10.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6665",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.74,
      "Al2O3": 18.88,
      "B2O3": 1.45,
      "Na2O": 6.03,
      "K2O": 9.02,
      "MgO": 4.71,
      "CaO": 7.75,
      "Fe2O3": 0.08,
      "CuO": 1.09,
      "SnO2": 2.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.17
      },
      {
        "material": "dolomite",
        "amount": 18.87
      },
      {
        "material": "kaolin",
        "amount": 18.87
      },
      {
        "material": "soda ash",
        "amount": 9.43
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.66
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.26,
      "Al2O3": 29.67,
      "Li2O": 2.47,
      "Na2O": 5.69,
      "K2O": 2.02,
      "MgO": 0.07,
      "CaO": 0.35,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.0
      },
      {
        "material": "ep kaolin",
        "amount": 29.0
      },
      {
        "material": "spodumene",
        "amount": 29.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6686",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.74,
      "Al2O3": 12.59,
      "Na2O": 2.73,
      "K2O": 1.92,
      "MgO": 1.97,
      "CaO": 11.99,
      "SrO": 4.54,
      "TiO2": 0.45,
      "Fe2O3": 0.6,
      "CuO": 3.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "roseville clay",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 104.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "6693",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.89,
      "Al2O3": 9.55,
      "B2O3": 5.87,
      "Na2O": 3.25,
      "K2O": 1.69,
      "MgO": 0.81,
      "CaO": 13.17,
      "P2O5": 0.02,
      "TiO2": 0.26,
      "Fe2O3": 0.41,
      "CuO": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "roseville clay",
        "amount": 15.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "6694",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.65,
      "Al2O3": 13.37,
      "Na2O": 1.99,
      "K2O": 1.83,
      "MgO": 0.51,
      "CaO": 12.19,
      "TiO2": 0.64,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "roseville clay",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 16.7
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 88.7
      }
    ]
  },
  {
    "id": "6695",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.65,
      "Al2O3": 13.37,
      "Na2O": 1.99,
      "K2O": 1.83,
      "MgO": 0.51,
      "CaO": 12.19,
      "TiO2": 0.64,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "roseville clay",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 16.7
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 88.7
      }
    ]
  },
  {
    "id": "6723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.72,
      "Al2O3": 7.96,
      "B2O3": 1.88,
      "Na2O": 10.87,
      "K2O": 1.73,
      "MgO": 0.01,
      "CaO": 4.51,
      "P2O5": 0.04,
      "TiO2": 3.05,
      "FeO": 2.7,
      "Fe2O3": 0.11,
      "CuO": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 75.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ilmenite",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "6724",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.02,
      "Al2O3": 13.91,
      "Li2O": 13.72,
      "Na2O": 0.01,
      "K2O": 8.88,
      "MgO": 0.01,
      "CaO": 3.24,
      "SrO": 10.95,
      "P2O5": 0.03,
      "TiO2": 2.29,
      "Fe2O3": 0.34,
      "CuO": 1.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.9
      },
      {
        "material": "lithium carbonate",
        "amount": 27.0
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 9.3
      },
      {
        "material": "silica",
        "amount": 4.7
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6726",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.2,
      "Al2O3": 13.78,
      "B2O3": 17.27,
      "Na2O": 2.6,
      "K2O": 0.38,
      "MgO": 2.29,
      "CaO": 12.57,
      "P2O5": 0.16,
      "TiO2": 6.53,
      "Fe2O3": 1.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6729",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.97,
      "Al2O3": 16.48,
      "B2O3": 7.75,
      "Na2O": 3.73,
      "K2O": 1.01,
      "MgO": 2.81,
      "CaO": 8.37,
      "P2O5": 0.09,
      "TiO2": 0.18,
      "Fe2O3": 0.31,
      "ZnO": 0.11,
      "F": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 37.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "6736",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.06,
      "Al2O3": 15.11,
      "B2O3": 7.1,
      "Na2O": 3.42,
      "K2O": 0.93,
      "MgO": 2.57,
      "CaO": 7.68,
      "P2O5": 0.08,
      "TiO2": 4.91,
      "MnO2": 3.06,
      "Fe2O3": 0.81,
      "ZnO": 0.1,
      "F": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 37.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 116.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 126.0
      }
    ]
  },
  {
    "id": "6738",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.97,
      "Al2O3": 16.48,
      "B2O3": 7.75,
      "Na2O": 3.73,
      "K2O": 1.01,
      "MgO": 2.81,
      "CaO": 8.38,
      "P2O5": 0.09,
      "TiO2": 0.18,
      "Fe2O3": 0.31,
      "ZnO": 0.11,
      "F": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 37.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 116.0
      },
      {
        "material": "stain",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
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      "SiO2": 51.31,
      "Al2O3": 17.11,
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      "Li2O": 2.91,
      "Na2O": 5.56,
      "K2O": 2.48,
      "MgO": 0.46,
      "CaO": 9.28,
      "P2O5": 0.01,
      "TiO2": 6.82,
      "Fe2O3": 0.16,
      "CoO": 0.68,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nephelin syenit 334/",
        "amount": 44.6
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "china clay 232 (kk)",
        "amount": 13.3
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "whiting",
        "amount": 11.1
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      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titan ddr testing",
        "amount": 6.2
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.2
      }
    ]
  },
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      "Al2O3": 22.38,
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      "MgO": 0.23,
      "CaO": 0.53,
      "P2O5": 0.02,
      "TiO2": 10.34,
      "Fe2O3": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "red clay",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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      "SiO2": 57.1,
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      "K2O": 1.3,
      "MgO": 0.03,
      "CaO": 2.18,
      "BaO": 21.99,
      "Cr2O3": 0.35,
      "Fe2O3": 0.03,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "barium carbonate",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "kaolin",
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      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 98.3
      }
    ]
  },
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    "id": "6811",
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      "SiO2": 65.28,
      "Al2O3": 12.34,
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      "MgO": 0.05,
      "CaO": 6.66,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "ZnO": 10.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6840",
    "chemical_composition": {
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      "SiO2": 57.13,
      "Al2O3": 5.82,
      "B2O3": 8.21,
      "Na2O": 3.49,
      "K2O": 0.14,
      "MgO": 5.35,
      "CaO": 5.95,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 13.81,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
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    "id": "6894",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.98,
      "Al2O3": 11.66,
      "Li2O": 1.15,
      "Na2O": 0.06,
      "K2O": 7.06,
      "MgO": 3.05,
      "CaO": 7.4,
      "P2O5": 5.61,
      "TiO2": 0.04,
      "Fe2O3": 9.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.5
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      },
      {
        "material": "specific gravity",
        "amount": 1.5
      }
    ]
  },
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    "id": "6901",
    "chemical_composition": {
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      "Al2O3": 12.77,
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      "MgO": 0.01,
      "CaO": 5.91,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.08,
      "CoO": 0.1,
      "NiO": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "6902",
    "chemical_composition": {
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      "SiO2": 68.27,
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      "MgO": 0.01,
      "CaO": 5.62,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.3,
      "Fe2O3": 5.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6903",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.18,
      "Al2O3": 12.84,
      "Na2O": 0.01,
      "K2O": 8.25,
      "MgO": 0.01,
      "CaO": 5.94,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.32,
      "Fe2O3": 0.08,
      "CoO": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "6905",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.65,
      "Al2O3": 11.15,
      "Na2O": 0.01,
      "K2O": 7.16,
      "MgO": 0.01,
      "CaO": 5.16,
      "P2O5": 0.02,
      "TiO2": 12.41,
      "Fe2O3": 1.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "6907",
    "chemical_composition": {
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      "SiO2": 65.37,
      "Al2O3": 11.63,
      "Na2O": 0.01,
      "K2O": 7.48,
      "MgO": 0.01,
      "CaO": 5.38,
      "P2O5": 0.02,
      "TiO2": 6.58,
      "Fe2O3": 3.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.6
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 110.6
      }
    ]
  },
  {
    "id": "6909",
    "chemical_composition": {
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      "SiO2": 65.48,
      "Al2O3": 11.65,
      "Na2O": 0.01,
      "K2O": 7.49,
      "MgO": 0.01,
      "CaO": 5.39,
      "P2O5": 0.02,
      "TiO2": 8.66,
      "Fe2O3": 1.02,
      "CoO": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "granular rutile",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 110.3
      }
    ]
  },
  {
    "id": "6912",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.27,
      "Al2O3": 12.15,
      "Na2O": 0.01,
      "K2O": 7.81,
      "MgO": 0.01,
      "CaO": 5.62,
      "P2O5": 0.03,
      "TiO2": 5.03,
      "Cr2O3": 1.0,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6916",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.09,
      "Al2O3": 12.65,
      "Na2O": 0.01,
      "K2O": 8.13,
      "MgO": 0.01,
      "CaO": 5.85,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.31,
      "MnO2": 1.81,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
  {
    "id": "6918",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.37,
      "Al2O3": 19.77,
      "Na2O": 5.96,
      "K2O": 10.14,
      "MgO": 5.23,
      "CaO": 7.29,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "CoO": 0.11,
      "CuO": 1.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "6920",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.37,
      "Al2O3": 19.77,
      "Na2O": 5.96,
      "K2O": 10.14,
      "MgO": 5.23,
      "CaO": 7.29,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "CoO": 0.11,
      "CuO": 1.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "6921",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.85,
      "Al2O3": 19.97,
      "Na2O": 6.02,
      "K2O": 10.24,
      "MgO": 5.29,
      "CaO": 7.36,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "CoO": 0.34,
      "NiO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.8
      }
    ]
  },
  {
    "id": "6925",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.61,
      "Al2O3": 18.67,
      "Na2O": 5.63,
      "K2O": 9.57,
      "MgO": 4.94,
      "CaO": 6.88,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "MnO2": 0.98,
      "Fe2O3": 6.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "6926",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.5,
      "Al2O3": 19.83,
      "Na2O": 5.98,
      "K2O": 10.17,
      "MgO": 5.25,
      "CaO": 7.31,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Cr2O3": 0.6,
      "MnO2": 1.04,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "6927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.72,
      "Al2O3": 19.92,
      "Na2O": 6.0,
      "K2O": 10.21,
      "MgO": 5.27,
      "CaO": 7.34,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Cr2O3": 0.6,
      "Fe2O3": 0.18,
      "NiO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "green nickel oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "6928",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.92,
      "Al2O3": 18.79,
      "Na2O": 5.66,
      "K2O": 9.64,
      "MgO": 4.97,
      "CaO": 6.93,
      "P2O5": 0.06,
      "TiO2": 5.17,
      "Fe2O3": 0.73,
      "NiO": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6929",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.18,
      "Al2O3": 18.9,
      "Na2O": 5.7,
      "K2O": 9.69,
      "MgO": 5.0,
      "CaO": 6.97,
      "P2O5": 0.06,
      "TiO2": 5.2,
      "Cr2O3": 0.57,
      "Fe2O3": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "granular rutile",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "6930",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.98,
      "Al2O3": 18.82,
      "Na2O": 5.67,
      "K2O": 9.65,
      "MgO": 4.98,
      "CaO": 6.94,
      "P2O5": 0.06,
      "TiO2": 5.74,
      "MnO2": 0.98,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6934",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 12.26,
      "B2O3": 2.09,
      "Na2O": 0.94,
      "K2O": 6.27,
      "MgO": 2.94,
      "CaO": 10.41,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 2.05,
      "CuO": 5.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6935",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.26,
      "Al2O3": 12.38,
      "B2O3": 2.11,
      "Na2O": 0.95,
      "K2O": 6.33,
      "MgO": 2.97,
      "CaO": 10.51,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 1.09,
      "CuO": 5.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "6937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.04,
      "Al2O3": 12.75,
      "B2O3": 2.18,
      "Na2O": 0.98,
      "K2O": 6.52,
      "MgO": 3.06,
      "CaO": 10.83,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.11,
      "CuO": 3.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.77,
      "Al2O3": 12.27,
      "B2O3": 2.1,
      "Na2O": 0.94,
      "K2O": 6.27,
      "MgO": 2.95,
      "CaO": 10.42,
      "P2O5": 0.04,
      "TiO2": 4.65,
      "Fe2O3": 0.61,
      "CuO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.19,
      "Al2O3": 11.72,
      "B2O3": 2.0,
      "Na2O": 0.9,
      "K2O": 5.99,
      "MgO": 2.81,
      "CaO": 9.96,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 9.38,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "6940",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.31,
      "Al2O3": 12.17,
      "B2O3": 2.08,
      "Na2O": 0.94,
      "K2O": 6.23,
      "MgO": 2.92,
      "CaO": 10.34,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 5.89,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "6941",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.02,
      "Al2O3": 12.54,
      "B2O3": 2.14,
      "Na2O": 0.96,
      "K2O": 6.41,
      "MgO": 3.01,
      "CaO": 10.65,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 3.09,
      "CuO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6942",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.21,
      "Al2O3": 12.79,
      "B2O3": 2.19,
      "Na2O": 0.98,
      "K2O": 6.54,
      "MgO": 3.07,
      "CaO": 10.86,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 1.13,
      "CuO": 2.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6954",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.42,
      "Al2O3": 8.5,
      "B2O3": 1.07,
      "Na2O": 1.3,
      "K2O": 5.92,
      "MgO": 0.08,
      "CaO": 10.4,
      "TiO2": 0.07,
      "Fe2O3": 0.09,
      "ZnO": 27.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 9.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6955",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.06,
      "Al2O3": 8.5,
      "Na2O": 0.02,
      "K2O": 6.54,
      "MgO": 0.02,
      "CaO": 8.84,
      "TiO2": 0.06,
      "Fe2O3": 9.4,
      "ZnO": 24.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "6956",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.0,
      "Al2O3": 7.88,
      "Na2O": 0.02,
      "K2O": 6.06,
      "MgO": 0.02,
      "CaO": 12.15,
      "P2O5": 3.34,
      "TiO2": 0.05,
      "Fe2O3": 8.71,
      "ZnO": 22.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "6957",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.01,
      "Al2O3": 8.89,
      "Na2O": 0.02,
      "K2O": 6.84,
      "MgO": 0.02,
      "CaO": 9.25,
      "TiO2": 4.17,
      "Fe2O3": 0.06,
      "CuO": 1.03,
      "ZnO": 25.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6959",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.63,
      "Al2O3": 17.93,
      "B2O3": 13.43,
      "Na2O": 6.05,
      "K2O": 0.09,
      "MgO": 0.06,
      "CaO": 11.55,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "CuO": 0.95,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 60.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6960",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.98,
      "Al2O3": 23.42,
      "B2O3": 5.35,
      "Na2O": 1.3,
      "K2O": 2.42,
      "MgO": 1.29,
      "CaO": 15.99,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "CuO": 0.95,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frit fa 857 (crecer/2012)",
        "amount": 60.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6961",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.9,
      "Al2O3": 18.93,
      "B2O3": 1.56,
      "Na2O": 9.05,
      "K2O": 1.48,
      "MgO": 0.06,
      "CaO": 3.76,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "CuO": 0.95,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 60.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "6962",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.28,
      "Al2O3": 24.87,
      "Na2O": 14.96,
      "K2O": 2.44,
      "MgO": 0.19,
      "CaO": 0.37,
      "P2O5": 0.01,
      "TiO2": 0.22,
      "Fe2O3": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.6
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 16.3
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "soda feldspar",
        "amount": 9.3
      },
      {
        "material": "red clay",
        "amount": 5.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6965",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.44,
      "Al2O3": 21.88,
      "Li2O": 2.62,
      "Na2O": 9.81,
      "K2O": 3.28,
      "MgO": 0.14,
      "CaO": 1.74,
      "TiO2": 0.26,
      "Fe2O3": 2.68,
      "SnO2": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 62.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "soda ash",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 2.5
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "6983",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.43,
      "Al2O3": 16.47,
      "Na2O": 0.01,
      "K2O": 9.88,
      "MgO": 0.02,
      "CaO": 11.93,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "ZnO": 10.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "6985",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.87,
      "Al2O3": 16.29,
      "Na2O": 0.01,
      "K2O": 9.77,
      "MgO": 0.02,
      "CaO": 11.8,
      "P2O5": 0.04,
      "TiO2": 1.05,
      "Fe2O3": 0.23,
      "ZnO": 9.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "6986",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.77,
      "Al2O3": 15.94,
      "Na2O": 0.01,
      "K2O": 9.56,
      "MgO": 0.02,
      "CaO": 11.54,
      "P2O5": 0.04,
      "TiO2": 2.97,
      "Fe2O3": 0.44,
      "ZnO": 9.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "6987",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.72,
      "Al2O3": 15.6,
      "Na2O": 0.01,
      "K2O": 9.35,
      "MgO": 0.02,
      "CaO": 11.3,
      "P2O5": 0.04,
      "TiO2": 4.81,
      "Fe2O3": 0.64,
      "ZnO": 9.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "6988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.49,
      "Al2O3": 22.89,
      "Li2O": 1.63,
      "Na2O": 10.12,
      "K2O": 2.92,
      "MgO": 0.1,
      "CaO": 0.46,
      "TiO2": 0.12,
      "Fe2O3": 0.19,
      "SnO2": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "6991",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.4,
      "Al2O3": 22.45,
      "Li2O": 1.6,
      "Na2O": 9.92,
      "K2O": 2.87,
      "MgO": 0.1,
      "CaO": 0.46,
      "TiO2": 0.12,
      "Fe2O3": 2.08,
      "SnO2": 4.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "6999",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.24,
      "Al2O3": 9.54,
      "B2O3": 7.98,
      "Na2O": 2.61,
      "K2O": 0.74,
      "MgO": 0.07,
      "CaO": 8.74,
      "P2O5": 0.02,
      "TiO2": 0.05,
      "Fe2O3": 1.94,
      "ZnO": 4.82,
      "SnO2": 6.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 37.3
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "cornwall stone",
        "amount": 17.3
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "zinc oxide",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.6
      }
    ]
  },
  {
    "id": "7003",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.42,
      "Al2O3": 7.66,
      "B2O3": 8.43,
      "Na2O": 2.75,
      "K2O": 0.76,
      "MgO": 0.06,
      "CaO": 9.21,
      "TiO2": 0.03,
      "Fe2O3": 2.0,
      "ZnO": 5.09,
      "SnO2": 6.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 39.85
      },
      {
        "material": "silica",
        "amount": 27.35
      },
      {
        "material": "cornwall stone",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 8.87
      },
      {
        "material": "zinc oxide",
        "amount": 5.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.05
      },
      {
        "material": "red iron oxide",
        "amount": 2.14
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.19
      }
    ]
  },
  {
    "id": "7005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.13,
      "Al2O3": 11.49,
      "Na2O": 0.28,
      "K2O": 3.07,
      "MgO": 1.18,
      "CaO": 20.98,
      "SrO": 8.67,
      "P2O5": 0.16,
      "TiO2": 0.81,
      "Fe2O3": 5.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "strontium carbonate",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7006",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.84,
      "Al2O3": 11.21,
      "B2O3": 1.37,
      "Na2O": 0.6,
      "K2O": 2.81,
      "MgO": 1.08,
      "CaO": 20.51,
      "SrO": 8.48,
      "P2O5": 0.15,
      "TiO2": 0.74,
      "Fe2O3": 4.77,
      "CoO": 1.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 56.0
      },
      {
        "material": "whiting",
        "amount": 29.0
      },
      {
        "material": "strontium carbonate",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "7007",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.79,
      "Al2O3": 10.96,
      "B2O3": 1.34,
      "Na2O": 0.59,
      "K2O": 2.74,
      "MgO": 1.05,
      "CaO": 20.05,
      "SrO": 8.29,
      "P2O5": 0.15,
      "TiO2": 0.72,
      "Fe2O3": 6.9,
      "CoO": 1.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 56.0
      },
      {
        "material": "whiting",
        "amount": 29.0
      },
      {
        "material": "strontium carbonate",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 103.3
      }
    ]
  },
  {
    "id": "7027",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.69,
      "Al2O3": 7.22,
      "B2O3": 1.03,
      "Na2O": 4.42,
      "K2O": 12.31,
      "MgO": 3.18,
      "CaO": 18.67,
      "SrO": 1.23,
      "P2O5": 6.46,
      "TiO2": 0.41,
      "Fe2O3": 5.6,
      "CoO": 0.88,
      "CuO": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 45.27
      },
      {
        "material": "whiting",
        "amount": 13.93
      },
      {
        "material": "ball clay",
        "amount": 9.26
      },
      {
        "material": "silica",
        "amount": 9.26
      },
      {
        "material": "nepheline syenite",
        "amount": 8.66
      },
      {
        "material": "potash feldspar",
        "amount": 7.6
      },
      {
        "material": "ferro frit 3195",
        "amount": 4.35
      },
      {
        "material": "strontium carbonate",
        "amount": 1.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.33
      },
      {
        "material": "copper carbonate",
        "amount": 1.33
      },
      {
        "material": "red iron oxide",
        "amount": 1.33
      },
      {
        "material": "rutile",
        "amount": 0.33
      },
      {
        "material": "total",
        "amount": 104.32
      }
    ]
  },
  {
    "id": "7028",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.68,
      "Al2O3": 5.93,
      "Na2O": 3.92,
      "K2O": 14.62,
      "MgO": 3.8,
      "CaO": 18.48,
      "P2O5": 7.73,
      "TiO2": 0.12,
      "Fe2O3": 5.06,
      "CuO": 2.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 54.56
      },
      {
        "material": "ball clay",
        "amount": 11.36
      },
      {
        "material": "potash feldspar",
        "amount": 11.36
      },
      {
        "material": "silica",
        "amount": 11.36
      },
      {
        "material": "whiting",
        "amount": 11.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "7034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.63,
      "Al2O3": 9.75,
      "Na2O": 4.05,
      "K2O": 4.88,
      "MgO": 1.47,
      "CaO": 16.42,
      "P2O5": 2.9,
      "TiO2": 0.21,
      "Fe2O3": 2.07,
      "CuO": 5.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7038",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.13,
      "Al2O3": 9.89,
      "B2O3": 3.6,
      "Na2O": 2.55,
      "K2O": 3.56,
      "MgO": 3.11,
      "CaO": 6.4,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 0.03,
      "ZrO2": 0.0,
      "MnO": 0.0,
      "Fe2O3": 8.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar dp hasta diciembre 2018",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "ulexite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "7041",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.77,
      "Al2O3": 9.54,
      "B2O3": 3.15,
      "Na2O": 6.14,
      "K2O": 7.64,
      "MgO": 1.98,
      "CaO": 20.23,
      "SrO": 3.73,
      "P2O5": 3.92,
      "TiO2": 0.5,
      "Fe2O3": 4.72,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "7043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.7,
      "Al2O3": 11.09,
      "B2O3": 5.68,
      "Na2O": 3.52,
      "K2O": 1.33,
      "MgO": 1.59,
      "CaO": 8.66,
      "P2O5": 0.04,
      "TiO2": 0.1,
      "Fe2O3": 9.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7050",
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      "K2O": 3.94,
      "MgO": 2.65,
      "CaO": 1.78,
      "Fe2O3": 0.15,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 86.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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      "SiO2": 59.91,
      "Al2O3": 22.22,
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      "Na2O": 8.79,
      "K2O": 3.99,
      "MgO": 2.08,
      "CaO": 1.7,
      "TiO2": 0.06,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 82.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 7.5
      },
      {
        "material": "ball clay",
        "amount": 5.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 102.25
      }
    ]
  },
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    "id": "7055",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.28,
      "Al2O3": 14.96,
      "B2O3": 3.15,
      "Na2O": 5.22,
      "K2O": 2.19,
      "MgO": 3.85,
      "CaO": 17.59,
      "BaO": 0.0,
      "P2O5": 3.66,
      "TiO2": 0.06,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 1.77,
      "SnO2": 4.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.5
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 19.5
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
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    "id": "7056",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.34,
      "Al2O3": 13.5,
      "B2O3": 2.93,
      "Na2O": 1.37,
      "K2O": 8.28,
      "MgO": 5.37,
      "CaO": 12.66,
      "P2O5": 0.03,
      "TiO2": 10.15,
      "Fe2O3": 0.15,
      "NiO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.1
      },
      {
        "material": "dolomite",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.7
      },
      {
        "material": "ep kaolin",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.2
      }
    ]
  },
  {
    "id": "7057",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.29,
      "Al2O3": 5.73,
      "B2O3": 4.48,
      "Na2O": 5.1,
      "K2O": 8.14,
      "MgO": 2.16,
      "CaO": 10.9,
      "P2O5": 4.28,
      "TiO2": 0.04,
      "Fe2O3": 2.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 32.0
      },
      {
        "material": "cornwall stone",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7058",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.44,
      "Al2O3": 9.33,
      "Na2O": 0.22,
      "K2O": 2.25,
      "MgO": 0.86,
      "CaO": 0.15,
      "P2O5": 0.12,
      "TiO2": 0.62,
      "MnO2": 34.4,
      "Fe2O3": 3.79,
      "CoO": 2.48,
      "CuO": 4.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay",
        "amount": 86.0
      },
      {
        "material": "ball clay",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 64.0
      },
      {
        "material": "black copper oxide",
        "amount": 7.0
      },
      {
        "material": "cobalt oxide",
        "amount": 4.3
      },
      {
        "material": "total",
        "amount": 175.3
      }
    ]
  },
  {
    "id": "7060",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.67,
      "Al2O3": 7.86,
      "B2O3": 4.82,
      "Na2O": 2.32,
      "K2O": 1.79,
      "MgO": 0.68,
      "CaO": 4.24,
      "P2O5": 0.09,
      "TiO2": 0.5,
      "MnO2": 27.54,
      "Fe2O3": 3.01,
      "CoO": 2.22,
      "CuO": 2.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 45.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 155.0
      }
    ]
  },
  {
    "id": "7075",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.21,
      "Al2O3": 6.76,
      "B2O3": 8.21,
      "Na2O": 3.17,
      "K2O": 1.05,
      "MgO": 5.51,
      "CaO": 6.09,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "FeO": 5.19,
      "Fe2O3": 6.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "crocus martis",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "7076",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.37,
      "Al2O3": 9.1,
      "B2O3": 6.36,
      "Na2O": 2.73,
      "K2O": 0.97,
      "MgO": 0.86,
      "CaO": 17.44,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.21,
      "SnO2": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "7094",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.36,
      "Al2O3": 24.9,
      "Na2O": 4.06,
      "K2O": 8.9,
      "MgO": 0.08,
      "CaO": 0.33,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "7127",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.07,
      "Al2O3": 11.35,
      "B2O3": 5.82,
      "Na2O": 3.6,
      "K2O": 1.36,
      "MgO": 1.62,
      "CaO": 8.86,
      "P2O5": 0.04,
      "TiO2": 0.11,
      "Fe2O3": 7.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "7128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.5,
      "Al2O3": 11.62,
      "B2O3": 5.95,
      "Na2O": 3.69,
      "K2O": 1.4,
      "MgO": 1.66,
      "CaO": 9.07,
      "P2O5": 0.04,
      "TiO2": 0.11,
      "Fe2O3": 4.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7129",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.01,
      "Al2O3": 11.9,
      "B2O3": 6.1,
      "Na2O": 3.78,
      "K2O": 1.43,
      "MgO": 1.7,
      "CaO": 9.3,
      "P2O5": 0.04,
      "TiO2": 0.11,
      "Fe2O3": 2.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "7133",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.59,
      "Al2O3": 12.2,
      "B2O3": 6.25,
      "Na2O": 3.87,
      "K2O": 1.47,
      "MgO": 1.75,
      "CaO": 9.53,
      "P2O5": 0.04,
      "TiO2": 0.11,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7134",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 9.02,
      "B2O3": 2.26,
      "Na2O": 2.22,
      "K2O": 1.05,
      "MgO": 5.34,
      "CaO": 8.81,
      "P2O5": 3.17,
      "TiO2": 0.19,
      "Fe2O3": 10.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.2
      },
      {
        "material": "ball clay",
        "amount": 18.6
      },
      {
        "material": "nepheline syenite",
        "amount": 18.6
      },
      {
        "material": "dolomite",
        "amount": 9.3
      },
      {
        "material": "talc",
        "amount": 9.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.5
      },
      {
        "material": "bone ash",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7136",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.07,
      "Al2O3": 11.97,
      "B2O3": 2.11,
      "Na2O": 3.47,
      "K2O": 0.6,
      "MgO": 5.34,
      "CaO": 9.22,
      "BaO": 0.0,
      "P2O5": 3.72,
      "TiO2": 0.09,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 10.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 30.21
      },
      {
        "material": "soda feldspar",
        "amount": 21.38
      },
      {
        "material": "silica",
        "amount": 10.42
      },
      {
        "material": "dolomite",
        "amount": 10.09
      },
      {
        "material": "talc",
        "amount": 10.09
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7138",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.08,
      "Al2O3": 10.83,
      "B2O3": 2.13,
      "Na2O": 3.46,
      "K2O": 0.18,
      "MgO": 5.42,
      "CaO": 9.63,
      "P2O5": 3.74,
      "TiO2": 0.39,
      "Fe2O3": 10.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 30.21
      },
      {
        "material": "soda feldspar",
        "amount": 21.38
      },
      {
        "material": "silica",
        "amount": 10.42
      },
      {
        "material": "dolomite",
        "amount": 10.09
      },
      {
        "material": "talc",
        "amount": 10.09
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.77,
      "Al2O3": 7.01,
      "B2O3": 2.33,
      "Na2O": 3.77,
      "K2O": 0.06,
      "MgO": 5.88,
      "CaO": 10.3,
      "P2O5": 4.1,
      "TiO2": 0.14,
      "Fe2O3": 9.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 23.7
      },
      {
        "material": "silica",
        "amount": 23.33
      },
      {
        "material": "dolomite",
        "amount": 11.19
      },
      {
        "material": "talc",
        "amount": 11.19
      },
      {
        "material": "tinkar z",
        "amount": 10.83
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.53
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 110.99
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    ]
  },
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      "K2O": 0.09,
      "MgO": 5.49,
      "CaO": 9.66,
      "P2O5": 3.82,
      "TiO2": 0.21,
      "Fe2O3": 9.75,
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        "material": "silica",
        "amount": 22.5
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      {
        "material": "soda feldspar",
        "amount": 22.05
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      {
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        "amount": 16.25
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      {
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        "amount": 10.41
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      {
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      {
        "material": "ferro frit 3134",
        "amount": 9.8
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
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    ]
  },
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      "Fe2O3": 10.43,
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    "ingredients": [
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        "material": "tinkar z",
        "amount": 40.0
      },
      {
        "material": "soda feldspar",
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      {
        "material": "dolomite",
        "amount": 10.2
      },
      {
        "material": "talc",
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      {
        "material": "ferro frit 3134",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
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    ]
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      "MgO": 6.14,
      "CaO": 10.91,
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      "TiO2": 0.43,
      "Fe2O3": 10.3,
      "LOI": 0.0
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        "material": "tinkar z",
        "amount": 33.33
      },
      {
        "material": "soda feldspar",
        "amount": 24.0
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      {
        "material": "dolomite",
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      {
        "material": "talc",
        "amount": 11.33
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      {
        "material": "ferro frit 3134",
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      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 110.99
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    ]
  },
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      "K2O": 0.16,
      "MgO": 6.73,
      "CaO": 11.88,
      "P2O5": 4.66,
      "TiO2": 0.34,
      "Fe2O3": 10.16,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 26.67
      },
      {
        "material": "soda feldspar",
        "amount": 26.4
      },
      {
        "material": "dolomite",
        "amount": 12.47
      },
      {
        "material": "talc",
        "amount": 12.47
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.73
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
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    "id": "7149",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.58,
      "Al2O3": 10.19,
      "B2O3": 2.89,
      "Na2O": 4.68,
      "K2O": 0.12,
      "MgO": 7.32,
      "CaO": 12.85,
      "P2O5": 5.09,
      "TiO2": 0.26,
      "Fe2O3": 10.02,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 28.8
      },
      {
        "material": "tinkar z",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 13.6
      },
      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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    "id": "7150",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.21,
      "Al2O3": 12.67,
      "B2O3": 2.49,
      "Na2O": 4.08,
      "K2O": 0.6,
      "MgO": 6.29,
      "CaO": 10.86,
      "BaO": 0.0,
      "P2O5": 4.38,
      "TiO2": 0.09,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 11.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 25.2
      },
      {
        "material": "dolomite",
        "amount": 11.9
      },
      {
        "material": "talc",
        "amount": 11.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
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    "id": "7156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.2,
      "Al2O3": 7.9,
      "B2O3": 1.0,
      "Li2O": 1.23,
      "Na2O": 1.21,
      "K2O": 5.5,
      "MgO": 0.07,
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      "TiO2": 3.1,
      "Fe2O3": 0.09,
      "CoO": 2.82,
      "ZnO": 25.22,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "crecer frit 804 /2012",
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      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
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    "id": "7157",
    "chemical_composition": {
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      "SiO2": 43.11,
      "Al2O3": 8.71,
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      "ZnO": 25.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
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    "id": "7158",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.09,
      "Al2O3": 11.74,
      "B2O3": 1.93,
      "Na2O": 3.14,
      "K2O": 0.21,
      "MgO": 4.94,
      "CaO": 8.83,
      "P2O5": 3.39,
      "TiO2": 0.46,
      "Fe2O3": 10.27,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 36.25
      },
      {
        "material": "soda feldspar",
        "amount": 19.35
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 9.14
      },
      {
        "material": "talc",
        "amount": 9.14
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
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    "id": "7159",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.67,
      "Al2O3": 9.85,
      "B2O3": 2.31,
      "Na2O": 3.75,
      "K2O": 0.14,
      "MgO": 5.87,
      "CaO": 10.36,
      "P2O5": 4.06,
      "TiO2": 0.31,
      "Fe2O3": 10.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 24.17
      },
      {
        "material": "soda feldspar",
        "amount": 23.4
      },
      {
        "material": "dolomite",
        "amount": 11.05
      },
      {
        "material": "talc",
        "amount": 11.05
      },
      {
        "material": "silica",
        "amount": 10.83
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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    "id": "7160",
    "chemical_composition": {
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      "SiO2": 52.06,
      "Al2O3": 9.01,
      "B2O3": 2.53,
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      "K2O": 0.11,
      "MgO": 6.4,
      "CaO": 11.24,
      "P2O5": 4.45,
      "TiO2": 0.23,
      "Fe2O3": 9.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 25.42
      },
      {
        "material": "tinkar z",
        "amount": 18.13
      },
      {
        "material": "dolomite",
        "amount": 12.01
      },
      {
        "material": "talc",
        "amount": 12.01
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.3
      },
      {
        "material": "silica",
        "amount": 11.25
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
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    "id": "7161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.05,
      "Al2O3": 8.1,
      "B2O3": 2.73,
      "Na2O": 4.41,
      "K2O": 0.07,
      "MgO": 6.88,
      "CaO": 12.05,
      "P2O5": 4.8,
      "TiO2": 0.15,
      "Fe2O3": 9.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 27.45
      },
      {
        "material": "dolomite",
        "amount": 12.96
      },
      {
        "material": "talc",
        "amount": 12.96
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.2
      },
      {
        "material": "tinkar z",
        "amount": 12.08
      },
      {
        "material": "silica",
        "amount": 11.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7162",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.04,
      "Al2O3": 7.19,
      "B2O3": 2.93,
      "Na2O": 4.73,
      "K2O": 0.04,
      "MgO": 7.37,
      "CaO": 12.85,
      "P2O5": 5.15,
      "TiO2": 0.08,
      "Fe2O3": 9.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 29.47
      },
      {
        "material": "dolomite",
        "amount": 13.92
      },
      {
        "material": "talc",
        "amount": 13.92
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.1
      },
      {
        "material": "silica",
        "amount": 12.08
      },
      {
        "material": "tinkar z",
        "amount": 6.04
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 110.99
      }
    ]
  },
  {
    "id": "7163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.03,
      "Al2O3": 6.28,
      "B2O3": 3.13,
      "Na2O": 5.05,
      "MgO": 7.85,
      "CaO": 13.65,
      "P2O5": 5.5,
      "Fe2O3": 9.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 31.5
      },
      {
        "material": "dolomite",
        "amount": 14.88
      },
      {
        "material": "talc",
        "amount": 14.88
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "7171",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.17,
      "Al2O3": 7.71,
      "B2O3": 0.97,
      "Na2O": 1.18,
      "K2O": 5.37,
      "MgO": 0.07,
      "CaO": 9.43,
      "TiO2": 0.07,
      "Fe2O3": 9.43,
      "ZnO": 24.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 9.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7174",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.87,
      "Al2O3": 8.07,
      "B2O3": 2.02,
      "Li2O": 1.55,
      "Na2O": 2.6,
      "K2O": 4.7,
      "MgO": 0.84,
      "CaO": 8.65,
      "Cr2O3": 0.17,
      "CoO": 0.39,
      "SnO2": 5.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "potash feldspar",
        "amount": 27.0
      },
      {
        "material": "soda feldspar",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.17
      },
      {
        "material": "total",
        "amount": 105.77
      }
    ]
  },
  {
    "id": "7175",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.91,
      "Al2O3": 11.94,
      "B2O3": 4.61,
      "Na2O": 5.08,
      "K2O": 1.42,
      "MgO": 0.07,
      "CaO": 9.85,
      "MnO2": 1.76,
      "Fe2O3": 0.1,
      "CoO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7192",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.25,
      "Al2O3": 10.06,
      "B2O3": 15.39,
      "Na2O": 0.06,
      "K2O": 5.02,
      "MgO": 0.1,
      "CaO": 16.26,
      "Fe2O3": 0.07,
      "CuO": 0.73,
      "SnO2": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcium borate frit",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.1
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 105.9
      }
    ]
  },
  {
    "id": "7194",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.12,
      "Al2O3": 22.43,
      "B2O3": 6.54,
      "Na2O": 7.83,
      "K2O": 2.23,
      "MgO": 0.42,
      "CaO": 3.92,
      "P2O5": 0.05,
      "TiO2": 0.13,
      "Fe2O3": 0.39,
      "CuO": 0.96,
      "SnO2": 1.98,
      "LOI": 0.0
    },
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      {
        "material": "crecer frit 804 /2012",
        "amount": 60.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
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    "id": "7195",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.1,
      "Al2O3": 15.43,
      "B2O3": 3.79,
      "Na2O": 3.37,
      "K2O": 0.74,
      "MgO": 0.12,
      "CaO": 15.08,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "CuO": 1.07,
      "SnO2": 2.22,
      "LOI": 0.0
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    "ingredients": [
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        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
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    "id": "7196",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.25,
      "Al2O3": 15.57,
      "B2O3": 3.71,
      "Na2O": 3.37,
      "K2O": 0.75,
      "MgO": 0.17,
      "CaO": 14.81,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CuO": 1.05,
      "SnO2": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "7198",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.57,
      "Al2O3": 13.93,
      "B2O3": 2.88,
      "Na2O": 6.92,
      "K2O": 2.64,
      "MgO": 0.1,
      "CaO": 8.79,
      "Fe2O3": 0.13,
      "CuO": 0.52,
      "SnO2": 1.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 105.1
      }
    ]
  },
  {
    "id": "7215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.23,
      "Al2O3": 17.55,
      "B2O3": 3.15,
      "Na2O": 7.48,
      "K2O": 2.96,
      "MgO": 0.45,
      "CaO": 12.02,
      "SrO": 0.05,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 0.11,
      "Fe2O3": 4.8,
      "CoO": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 32.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 22.5
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "gillespie borate",
        "amount": 9.5
      },
      {
        "material": "potash feldspar",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 104.7
      }
    ]
  },
  {
    "id": "7220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.4,
      "Al2O3": 14.9,
      "Na2O": 0.37,
      "K2O": 3.99,
      "MgO": 4.37,
      "CaO": 6.63,
      "P2O5": 0.21,
      "TiO2": 1.05,
      "FeO": 6.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 84.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.74,
      "Al2O3": 16.11,
      "B2O3": 3.57,
      "Na2O": 3.17,
      "K2O": 0.7,
      "MgO": 0.12,
      "CaO": 14.21,
      "TiO2": 5.24,
      "Fe2O3": 0.05,
      "ZnO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "alumina",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "7226",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.29,
      "Al2O3": 8.88,
      "B2O3": 3.09,
      "Na2O": 5.61,
      "K2O": 0.02,
      "MgO": 4.71,
      "CaO": 9.45,
      "P2O5": 4.15,
      "Fe2O3": 12.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 39.56
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.13
      },
      {
        "material": "silica",
        "amount": 12.85
      },
      {
        "material": "talc",
        "amount": 11.67
      },
      {
        "material": "dolomite",
        "amount": 6.85
      },
      {
        "material": "kaolin",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.14
      },
      {
        "material": "yellow iron oxide",
        "amount": 5.24
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.38
      }
    ]
  },
  {
    "id": "7227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.64,
      "Al2O3": 8.75,
      "B2O3": 3.7,
      "Na2O": 2.98,
      "K2O": 1.57,
      "MgO": 5.31,
      "CaO": 10.21,
      "P2O5": 4.23,
      "TiO2": 0.01,
      "Fe2O3": 14.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 39.5
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 16.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.5
      }
    ]
  },
  {
    "id": "7228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.07,
      "Al2O3": 12.34,
      "B2O3": 0.84,
      "Li2O": 2.45,
      "Na2O": 4.21,
      "K2O": 5.5,
      "MgO": 1.68,
      "CaO": 10.0,
      "P2O5": 1.78,
      "Fe2O3": 10.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 33.5
      },
      {
        "material": "soda feldspar",
        "amount": 33.5
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "silica",
        "amount": 6.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "7230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.71,
      "Al2O3": 8.51,
      "B2O3": 3.38,
      "Na2O": 5.46,
      "K2O": 0.14,
      "MgO": 8.48,
      "CaO": 14.72,
      "BaO": 0.0,
      "P2O5": 5.94,
      "TiO2": 0.02,
      "ZrO2": 0.0,
      "MnO": 0.0,
      "Fe2O3": 9.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 33.6
      },
      {
        "material": "dolomite",
        "amount": 15.87
      },
      {
        "material": "talc",
        "amount": 15.87
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.93
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 6.67
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "7231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.86,
      "Al2O3": 14.76,
      "B2O3": 2.17,
      "Na2O": 3.59,
      "K2O": 0.81,
      "MgO": 5.5,
      "CaO": 9.48,
      "BaO": 0.0,
      "P2O5": 3.82,
      "TiO2": 0.12,
      "ZrO2": 0.02,
      "MnO": 0.02,
      "Fe2O3": 9.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 40.0
      },
      {
        "material": "soda feldspar",
        "amount": 21.6
      },
      {
        "material": "dolomite",
        "amount": 10.2
      },
      {
        "material": "talc",
        "amount": 10.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.35,
      "Al2O3": 13.21,
      "B2O3": 1.93,
      "Na2O": 3.19,
      "K2O": 0.73,
      "MgO": 4.89,
      "CaO": 8.42,
      "BaO": 0.0,
      "P2O5": 3.4,
      "TiO2": 0.11,
      "ZrO2": 0.02,
      "MnO": 0.01,
      "Fe2O3": 9.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 36.24
      },
      {
        "material": "soda feldspar",
        "amount": 19.35
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 9.14
      },
      {
        "material": "talc",
        "amount": 9.14
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.22,
      "Al2O3": 10.63,
      "B2O3": 1.85,
      "Na2O": 3.04,
      "K2O": 0.54,
      "MgO": 4.68,
      "CaO": 8.08,
      "BaO": 0.0,
      "P2O5": 3.26,
      "TiO2": 0.08,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 9.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 27.09
      },
      {
        "material": "silica",
        "amount": 20.83
      },
      {
        "material": "soda feldspar",
        "amount": 18.75
      },
      {
        "material": "dolomite",
        "amount": 8.85
      },
      {
        "material": "talc",
        "amount": 8.85
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.34
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "7234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.78,
      "Al2O3": 11.69,
      "B2O3": 1.69,
      "Na2O": 2.79,
      "K2O": 0.65,
      "MgO": 4.29,
      "CaO": 7.38,
      "BaO": 0.0,
      "P2O5": 2.97,
      "TiO2": 0.1,
      "ZrO2": 0.02,
      "MnO": 0.01,
      "Fe2O3": 9.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 32.5
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "soda feldspar",
        "amount": 17.1
      },
      {
        "material": "dolomite",
        "amount": 8.08
      },
      {
        "material": "talc",
        "amount": 8.08
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.6
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "7235",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.4,
      "Al2O3": 10.41,
      "Li2O": 1.52,
      "Na2O": 5.25,
      "K2O": 0.02,
      "MgO": 5.1,
      "CaO": 7.62,
      "P2O5": 6.42,
      "Fe2O3": 10.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 47.96
      },
      {
        "material": "talc",
        "amount": 17.35
      },
      {
        "material": "silica",
        "amount": 11.22
      },
      {
        "material": "kaolin",
        "amount": 4.08
      },
      {
        "material": "lithium carbonate",
        "amount": 4.08
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.73
      },
      {
        "material": "bentonite",
        "amount": 2.04
      },
      {
        "material": "total",
        "amount": 113.77
      }
    ]
  },
  {
    "id": "7236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.25,
      "Al2O3": 10.53,
      "B2O3": 0.4,
      "Na2O": 5.61,
      "K2O": 0.15,
      "MgO": 5.01,
      "CaO": 7.7,
      "P2O5": 6.28,
      "TiO2": 0.0,
      "Fe2O3": 10.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 47.96
      },
      {
        "material": "talc",
        "amount": 17.35
      },
      {
        "material": "silica",
        "amount": 11.22
      },
      {
        "material": "kaolin",
        "amount": 4.08
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 4.08
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.73
      },
      {
        "material": "bentonite",
        "amount": 2.04
      },
      {
        "material": "total",
        "amount": 113.77
      }
    ]
  },
  {
    "id": "7242",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.17,
      "Al2O3": 13.21,
      "B2O3": 2.26,
      "Na2O": 1.01,
      "K2O": 6.75,
      "MgO": 3.17,
      "CaO": 11.22,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.43,
      "Al2O3": 7.67,
      "B2O3": 5.17,
      "Na2O": 2.36,
      "K2O": 6.3,
      "MgO": 0.94,
      "CaO": 12.06,
      "Fe2O3": 0.07,
      "CuO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7251",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.15,
      "Al2O3": 15.71,
      "B2O3": 3.27,
      "Na2O": 2.91,
      "K2O": 0.64,
      "MgO": 0.11,
      "CaO": 13.02,
      "TiO2": 4.8,
      "Fe2O3": 4.6,
      "ZnO": 4.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "alumina",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 117.5
      }
    ]
  },
  {
    "id": "7253",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.38,
      "Al2O3": 13.65,
      "B2O3": 3.35,
      "Na2O": 2.98,
      "K2O": 0.66,
      "MgO": 0.11,
      "CaO": 13.34,
      "TiO2": 4.92,
      "Fe2O3": 4.71,
      "ZnO": 4.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "7254",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.13,
      "Al2O3": 16.02,
      "B2O3": 3.33,
      "Na2O": 2.96,
      "K2O": 0.65,
      "MgO": 0.11,
      "CaO": 13.27,
      "TiO2": 4.9,
      "Fe2O3": 4.69,
      "ZnO": 2.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "alumina",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 115.5
      }
    ]
  },
  {
    "id": "7255",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.15,
      "Al2O3": 16.34,
      "B2O3": 3.4,
      "Na2O": 3.02,
      "K2O": 0.67,
      "MgO": 0.11,
      "CaO": 13.54,
      "TiO2": 5.0,
      "Fe2O3": 4.78,
      "ZnO": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "alumina",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "7256",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.15,
      "Al2O3": 16.34,
      "B2O3": 3.4,
      "Na2O": 3.02,
      "K2O": 0.67,
      "MgO": 0.11,
      "CaO": 13.54,
      "TiO2": 5.0,
      "Fe2O3": 4.78,
      "ZnO": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "alumina",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "7257",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.87,
      "Al2O3": 14.84,
      "B2O3": 3.64,
      "Na2O": 3.24,
      "K2O": 0.71,
      "MgO": 0.12,
      "CaO": 14.5,
      "TiO2": 0.02,
      "MnO2": 0.93,
      "Fe2O3": 6.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7259",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.35,
      "Al2O3": 22.07,
      "B2O3": 3.15,
      "Na2O": 2.8,
      "K2O": 0.62,
      "MgO": 0.1,
      "CaO": 12.55,
      "TiO2": 0.02,
      "Fe2O3": 0.92,
      "CoO": 0.17,
      "ZnO": 9.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "alumina",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 121.2
      }
    ]
  },
  {
    "id": "7260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.21,
      "Al2O3": 18.85,
      "B2O3": 3.4,
      "Na2O": 3.03,
      "K2O": 0.67,
      "MgO": 0.11,
      "CaO": 13.55,
      "TiO2": 0.02,
      "Fe2O3": 1.0,
      "CoO": 0.19,
      "ZnO": 6.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "alumina",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 113.2
      }
    ]
  },
  {
    "id": "7261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.94,
      "Al2O3": 14.59,
      "B2O3": 3.58,
      "Na2O": 3.18,
      "K2O": 0.7,
      "MgO": 0.12,
      "CaO": 14.26,
      "TiO2": 4.74,
      "Fe2O3": 0.57,
      "CoO": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7262",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.67,
      "Al2O3": 15.32,
      "B2O3": 3.76,
      "Na2O": 3.34,
      "K2O": 0.74,
      "MgO": 0.12,
      "CaO": 14.97,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "CuO": 0.71,
      "SnO2": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "7263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.07,
      "Al2O3": 15.96,
      "B2O3": 3.91,
      "Na2O": 3.48,
      "K2O": 0.77,
      "MgO": 0.13,
      "CaO": 15.6,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "7264",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.36,
      "Al2O3": 12.3,
      "B2O3": 2.86,
      "Na2O": 6.53,
      "K2O": 0.96,
      "MgO": 3.27,
      "CaO": 5.98,
      "TiO2": 0.03,
      "MnO2": 0.87,
      "Fe2O3": 5.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "7265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.83,
      "Al2O3": 16.33,
      "Li2O": 0.36,
      "Na2O": 5.45,
      "K2O": 2.63,
      "MgO": 1.13,
      "CaO": 1.8,
      "SrO": 12.74,
      "TiO2": 13.97,
      "Fe2O3": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "7269",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.63,
      "Al2O3": 12.92,
      "Na2O": 0.01,
      "K2O": 8.31,
      "MgO": 0.01,
      "CaO": 5.98,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.05,
      "Al2O3": 15.4,
      "K2O": 9.89,
      "CaO": 19.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7272",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.98,
      "Al2O3": 12.67,
      "Na2O": 0.06,
      "K2O": 7.91,
      "MgO": 3.01,
      "CaO": 15.72,
      "TiO2": 8.4,
      "Fe2O3": 0.99,
      "CoO": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "granular rutile",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 122.3
      }
    ]
  },
  {
    "id": "7279",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.68,
      "Al2O3": 13.17,
      "B2O3": 3.06,
      "Na2O": 6.99,
      "K2O": 1.02,
      "MgO": 3.49,
      "CaO": 6.4,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7280",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.98,
      "Al2O3": 12.83,
      "B2O3": 2.98,
      "Na2O": 6.81,
      "K2O": 1.0,
      "MgO": 3.4,
      "CaO": 6.24,
      "TiO2": 0.03,
      "MnO2": 0.91,
      "Fe2O3": 0.15,
      "CuO": 1.67,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.6
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.6
      }
    ]
  },
  {
    "id": "7281",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.54,
      "Al2O3": 12.94,
      "B2O3": 3.01,
      "Na2O": 6.87,
      "K2O": 1.01,
      "MgO": 3.43,
      "CaO": 6.29,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CoO": 0.05,
      "CuO": 1.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.6
      },
      {
        "material": "cobalt oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 103.65
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    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.04,
      "Al2O3": 15.63,
      "Na2O": 2.69,
      "K2O": 1.91,
      "MgO": 7.98,
      "CaO": 9.01,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "ZrO2": 5.36,
      "Fe2O3": 0.24,
      "SnO2": 3.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 38.1
      },
      {
        "material": "ep kaolin",
        "amount": 20.95
      },
      {
        "material": "talc",
        "amount": 15.24
      },
      {
        "material": "dolomite",
        "amount": 13.33
      },
      {
        "material": "whiting",
        "amount": 7.62
      },
      {
        "material": "silica",
        "amount": 4.76
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 114.95
      }
    ]
  },
  {
    "id": "7283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.71,
      "Al2O3": 12.38,
      "B2O3": 2.88,
      "Na2O": 6.57,
      "K2O": 0.96,
      "MgO": 3.28,
      "CaO": 6.02,
      "TiO2": 4.55,
      "Fe2O3": 0.64,
      "NiO": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "7284",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.71,
      "Al2O3": 12.84,
      "B2O3": 2.17,
      "Na2O": 4.91,
      "K2O": 0.71,
      "MgO": 2.45,
      "CaO": 4.53,
      "TiO2": 3.06,
      "Fe2O3": 0.06,
      "CuO": 0.76,
      "ZnO": 22.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 30.0
      },
      {
        "material": "alumina",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 140.0
      }
    ]
  },
  {
    "id": "7285",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.82,
      "Al2O3": 12.2,
      "B2O3": 2.84,
      "Na2O": 6.47,
      "K2O": 0.95,
      "MgO": 3.24,
      "CaO": 5.93,
      "TiO2": 4.49,
      "Fe2O3": 0.63,
      "CoO": 0.46,
      "CuO": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "7286",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.07,
      "Al2O3": 11.24,
      "B2O3": 2.61,
      "Na2O": 5.97,
      "K2O": 0.87,
      "MgO": 2.98,
      "CaO": 5.47,
      "TiO2": 3.68,
      "Fe2O3": 0.13,
      "NiO": 1.83,
      "ZnO": 9.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "7287",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.41,
      "Al2O3": 12.11,
      "B2O3": 2.82,
      "Na2O": 6.43,
      "K2O": 0.94,
      "MgO": 3.21,
      "CaO": 5.89,
      "TiO2": 4.46,
      "Fe2O3": 0.63,
      "CoO": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "7289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.37,
      "Al2O3": 12.1,
      "B2O3": 2.82,
      "Na2O": 6.42,
      "K2O": 0.94,
      "MgO": 3.21,
      "CaO": 5.88,
      "TiO2": 4.46,
      "Fe2O3": 0.63,
      "CuO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "7290",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.95,
      "Al2O3": 11.82,
      "B2O3": 2.75,
      "Na2O": 6.27,
      "K2O": 0.92,
      "MgO": 3.14,
      "CaO": 5.75,
      "TiO2": 3.87,
      "Fe2O3": 6.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "7291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.99,
      "Al2O3": 12.63,
      "B2O3": 2.94,
      "Na2O": 6.7,
      "K2O": 0.98,
      "MgO": 3.35,
      "CaO": 6.14,
      "TiO2": 0.03,
      "Fe2O3": 4.05,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "7292",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.61,
      "Al2O3": 11.95,
      "B2O3": 2.78,
      "Na2O": 6.34,
      "K2O": 0.93,
      "MgO": 3.17,
      "CaO": 5.81,
      "TiO2": 0.03,
      "Fe2O3": 9.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "7293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.78,
      "Al2O3": 12.39,
      "B2O3": 2.88,
      "Na2O": 6.58,
      "K2O": 0.96,
      "MgO": 3.29,
      "CaO": 6.02,
      "TiO2": 0.03,
      "Fe2O3": 5.89,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "7295",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.6,
      "Al2O3": 12.35,
      "B2O3": 2.87,
      "Na2O": 6.56,
      "K2O": 0.96,
      "MgO": 3.28,
      "CaO": 6.0,
      "TiO2": 5.45,
      "Fe2O3": 0.74,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "7296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.07,
      "Al2O3": 11.85,
      "B2O3": 2.75,
      "Na2O": 6.29,
      "K2O": 0.92,
      "MgO": 3.14,
      "CaO": 5.76,
      "TiO2": 6.61,
      "Fe2O3": 3.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.6
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "7297",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.92,
      "Al2O3": 13.02,
      "B2O3": 3.03,
      "Na2O": 6.91,
      "K2O": 1.01,
      "MgO": 3.45,
      "CaO": 6.33,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CoO": 0.1,
      "NiO": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 103.1
      }
    ]
  },
  {
    "id": "7298",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.13,
      "Al2O3": 13.06,
      "B2O3": 3.04,
      "Na2O": 6.93,
      "K2O": 1.02,
      "MgO": 3.47,
      "CaO": 6.35,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CoO": 0.3,
      "NiO": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.8
      }
    ]
  },
  {
    "id": "7299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.09,
      "Al2O3": 10.85,
      "B2O3": 2.52,
      "Na2O": 5.76,
      "K2O": 0.84,
      "MgO": 2.88,
      "CaO": 5.27,
      "TiO2": 3.55,
      "Fe2O3": 0.13,
      "CuO": 0.88,
      "ZnO": 13.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
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    "id": "7302",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.81,
      "Al2O3": 10.39,
      "B2O3": 2.42,
      "Na2O": 5.51,
      "K2O": 0.81,
      "MgO": 2.76,
      "CaO": 5.05,
      "TiO2": 3.4,
      "Fe2O3": 0.12,
      "CuO": 0.84,
      "ZnO": 16.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 20.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 127.0
      }
    ]
  },
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    "id": "7303",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.79,
      "Al2O3": 12.39,
      "B2O3": 2.88,
      "Na2O": 6.58,
      "K2O": 0.96,
      "MgO": 3.29,
      "CaO": 6.02,
      "TiO2": 0.03,
      "MnO2": 0.88,
      "Fe2O3": 0.14,
      "CuO": 5.04,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "7305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.15,
      "Al2O3": 12.46,
      "B2O3": 2.9,
      "Na2O": 6.61,
      "K2O": 0.97,
      "MgO": 3.31,
      "CaO": 6.06,
      "TiO2": 4.59,
      "Cr2O3": 0.3,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 107.3
      }
    ]
  },
  {
    "id": "7306",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.73,
      "Al2O3": 12.98,
      "B2O3": 3.02,
      "Na2O": 6.89,
      "K2O": 1.01,
      "MgO": 3.44,
      "CaO": 6.31,
      "TiO2": 0.03,
      "Cr2O3": 0.53,
      "MnO2": 0.92,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "7307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.27,
      "Al2O3": 12.89,
      "B2O3": 3.0,
      "Na2O": 6.84,
      "K2O": 1.0,
      "MgO": 3.42,
      "CaO": 6.26,
      "TiO2": 0.03,
      "Cr2O3": 0.31,
      "MnO2": 1.82,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 104.3
      }
    ]
  },
  {
    "id": "7308",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.54,
      "Al2O3": 11.54,
      "B2O3": 2.68,
      "Na2O": 6.12,
      "K2O": 0.9,
      "MgO": 3.06,
      "CaO": 5.61,
      "TiO2": 0.02,
      "MnO2": 2.45,
      "Fe2O3": 7.26,
      "CuO": 2.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "7309",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.72,
      "Al2O3": 11.37,
      "B2O3": 2.64,
      "Na2O": 6.04,
      "K2O": 0.88,
      "MgO": 3.02,
      "CaO": 5.53,
      "TiO2": 4.65,
      "Fe2O3": 4.53,
      "ZnO": 4.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7310",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.05,
      "Al2O3": 12.44,
      "B2O3": 2.89,
      "Na2O": 6.6,
      "K2O": 0.97,
      "MgO": 3.3,
      "CaO": 6.05,
      "TiO2": 4.58,
      "Fe2O3": 0.65,
      "CoO": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "7312",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.34,
      "Al2O3": 12.3,
      "B2O3": 2.86,
      "Na2O": 6.53,
      "K2O": 0.96,
      "MgO": 3.26,
      "CaO": 5.98,
      "TiO2": 5.03,
      "Fe2O3": 0.14,
      "CuO": 1.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "7313",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.59,
      "Al2O3": 11.35,
      "B2O3": 2.64,
      "Na2O": 6.02,
      "K2O": 0.88,
      "MgO": 3.01,
      "CaO": 5.52,
      "TiO2": 12.48,
      "Fe2O3": 1.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7315",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.74,
      "Al2O3": 12.38,
      "B2O3": 2.88,
      "Na2O": 6.57,
      "K2O": 0.96,
      "MgO": 3.29,
      "CaO": 6.02,
      "TiO2": 0.03,
      "Fe2O3": 1.1,
      "CuO": 5.03,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "7316",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.47,
      "Al2O3": 11.73,
      "B2O3": 2.73,
      "Na2O": 6.22,
      "K2O": 0.91,
      "MgO": 3.11,
      "CaO": 5.7,
      "TiO2": 0.02,
      "Fe2O3": 9.19,
      "CuO": 1.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "7317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.67,
      "Al2O3": 12.17,
      "B2O3": 2.83,
      "Na2O": 6.46,
      "K2O": 0.95,
      "MgO": 3.23,
      "CaO": 5.91,
      "TiO2": 0.03,
      "Fe2O3": 5.78,
      "CuO": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.43,
      "Al2O3": 12.52,
      "B2O3": 2.91,
      "Na2O": 6.64,
      "K2O": 0.97,
      "MgO": 3.32,
      "CaO": 6.09,
      "TiO2": 0.03,
      "Fe2O3": 3.05,
      "CuO": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.67,
      "Al2O3": 12.77,
      "B2O3": 2.97,
      "Na2O": 6.78,
      "K2O": 0.99,
      "MgO": 3.39,
      "CaO": 6.21,
      "TiO2": 0.03,
      "Fe2O3": 1.13,
      "CuO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.64,
      "Al2O3": 12.16,
      "B2O3": 2.83,
      "Na2O": 6.45,
      "K2O": 0.95,
      "MgO": 3.23,
      "CaO": 5.91,
      "TiO2": 0.03,
      "Fe2O3": 4.84,
      "CuO": 2.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.8,
      "Al2O3": 12.39,
      "B2O3": 2.88,
      "Na2O": 6.58,
      "K2O": 0.96,
      "MgO": 3.29,
      "CaO": 6.02,
      "TiO2": 0.03,
      "Fe2O3": 3.02,
      "CuO": 3.02,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "7322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.08,
      "Al2O3": 12.65,
      "B2O3": 2.94,
      "Na2O": 6.71,
      "K2O": 0.98,
      "MgO": 3.36,
      "CaO": 6.15,
      "TiO2": 0.03,
      "Fe2O3": 3.08,
      "CuO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "7323",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 12.26,
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      "K2O": 0.95,
      "MgO": 3.25,
      "CaO": 5.96,
      "TiO2": 0.03,
      "Fe2O3": 2.04,
      "CuO": 4.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "7324",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.34,
      "Al2O3": 12.5,
      "B2O3": 2.91,
      "Na2O": 6.63,
      "K2O": 0.97,
      "MgO": 3.32,
      "CaO": 6.08,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CuO": 5.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7329",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.4,
      "Al2O3": 10.14,
      "Na2O": 0.06,
      "K2O": 6.89,
      "MgO": 0.04,
      "CaO": 7.94,
      "TiO2": 5.38,
      "Fe2O3": 0.07,
      "CuO": 1.89,
      "ZnO": 12.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.49
      },
      {
        "material": "silica",
        "amount": 25.77
      },
      {
        "material": "whiting",
        "amount": 14.43
      },
      {
        "material": "zinc oxide",
        "amount": 12.44
      },
      {
        "material": "kaolin",
        "amount": 5.87
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "7330",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.56,
      "Al2O3": 16.58,
      "Li2O": 0.4,
      "Na2O": 5.87,
      "K2O": 2.82,
      "MgO": 0.13,
      "CaO": 0.46,
      "SrO": 13.79,
      "TiO2": 5.01,
      "Fe2O3": 0.23,
      "CuO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "7349",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.27,
      "Al2O3": 11.93,
      "B2O3": 2.93,
      "Na2O": 8.21,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.53,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7351",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.87,
      "Al2O3": 14.22,
      "B2O3": 2.94,
      "Na2O": 7.07,
      "K2O": 2.7,
      "MgO": 0.1,
      "CaO": 8.97,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.82,
      "Al2O3": 13.76,
      "B2O3": 2.85,
      "Na2O": 6.84,
      "K2O": 2.61,
      "MgO": 0.1,
      "CaO": 8.68,
      "Fe2O3": 0.13,
      "CuO": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7353",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.08,
      "Al2O3": 11.54,
      "B2O3": 2.84,
      "Na2O": 7.95,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.26,
      "Fe2O3": 0.07,
      "CuO": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7354",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.56,
      "Al2O3": 11.63,
      "B2O3": 2.86,
      "Na2O": 8.0,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.32,
      "Fe2O3": 0.07,
      "CuO": 2.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "7355",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.27,
      "Al2O3": 13.86,
      "B2O3": 2.87,
      "Na2O": 6.89,
      "K2O": 2.63,
      "MgO": 0.1,
      "CaO": 8.74,
      "Fe2O3": 0.13,
      "CuO": 2.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "7356",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.21,
      "Al2O3": 13.4,
      "B2O3": 2.77,
      "Na2O": 6.66,
      "K2O": 2.54,
      "MgO": 0.09,
      "CaO": 8.46,
      "Fe2O3": 1.97,
      "CuO": 3.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "7357",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.93,
      "Al2O3": 11.52,
      "B2O3": 2.83,
      "Na2O": 7.93,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.24,
      "Fe2O3": 1.01,
      "CuO": 2.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "7358",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.37,
      "Al2O3": 11.24,
      "B2O3": 2.76,
      "Na2O": 7.74,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 8.04,
      "Fe2O3": 1.91,
      "CuO": 3.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "7359",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.68,
      "Al2O3": 13.73,
      "B2O3": 2.84,
      "Na2O": 6.83,
      "K2O": 2.6,
      "MgO": 0.1,
      "CaO": 8.66,
      "Fe2O3": 1.07,
      "CuO": 2.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "7366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.38,
      "Al2O3": 15.49,
      "Na2O": 1.48,
      "K2O": 1.98,
      "MgO": 2.74,
      "CaO": 19.47,
      "P2O5": 0.06,
      "TiO2": 0.15,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 36.7
      },
      {
        "material": "whiting",
        "amount": 27.5
      },
      {
        "material": "ep kaolin",
        "amount": 18.3
      },
      {
        "material": "silica",
        "amount": 12.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7368",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.47,
      "Al2O3": 18.24,
      "Na2O": 0.68,
      "K2O": 2.32,
      "MgO": 3.23,
      "CaO": 15.48,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Fe2O3": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "custer feldspar",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.93,
      "Al2O3": 12.23,
      "Na2O": 5.02,
      "K2O": 2.35,
      "MgO": 4.86,
      "CaO": 8.49,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.32,
      "Al2O3": 13.49,
      "Na2O": 0.98,
      "K2O": 3.62,
      "MgO": 0.07,
      "CaO": 14.9,
      "TiO2": 0.01,
      "Fe2O3": 0.18,
      "ZnO": 3.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.78,
      "Al2O3": 12.55,
      "Na2O": 2.35,
      "K2O": 1.68,
      "MgO": 1.27,
      "CaO": 12.47,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.13,
      "ZnO": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "7378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.7,
      "Al2O3": 13.45,
      "B2O3": 3.87,
      "Li2O": 0.76,
      "Na2O": 3.79,
      "K2O": 0.02,
      "MgO": 3.76,
      "CaO": 8.52,
      "ZrO2": 4.13,
      "Fe2O3": 1.86,
      "SnO2": 6.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "soda feldspar",
        "amount": 18.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.5
      },
      {
        "material": "zircopax",
        "amount": 6.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.72,
      "Al2O3": 13.45,
      "B2O3": 3.87,
      "Li2O": 0.76,
      "Na2O": 3.79,
      "K2O": 0.02,
      "MgO": 3.76,
      "CaO": 8.52,
      "ZrO2": 8.25,
      "Fe2O3": 1.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "soda feldspar",
        "amount": 18.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7380",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.2,
      "Al2O3": 23.56,
      "Li2O": 3.2,
      "Na2O": 7.65,
      "K2O": 3.58,
      "MgO": 0.12,
      "CaO": 0.56,
      "TiO2": 5.91,
      "MnO2": 0.43,
      "Fe2O3": 0.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.0
      },
      {
        "material": "kaolin",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "7381",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.66,
      "Al2O3": 21.61,
      "Li2O": 3.19,
      "Na2O": 7.69,
      "K2O": 3.7,
      "MgO": 0.15,
      "CaO": 0.6,
      "TiO2": 6.03,
      "MnO2": 0.43,
      "Fe2O3": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.0
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "7382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.66,
      "Al2O3": 21.61,
      "Li2O": 3.19,
      "Na2O": 7.69,
      "K2O": 3.7,
      "MgO": 0.15,
      "CaO": 0.6,
      "TiO2": 6.69,
      "MnO2": 0.43,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.0
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "7383",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.66,
      "Al2O3": 21.61,
      "Li2O": 3.19,
      "Na2O": 7.69,
      "K2O": 3.7,
      "MgO": 0.15,
      "CaO": 0.6,
      "TiO2": 6.69,
      "MnO2": 0.43,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.0
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "7384",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.97,
      "Al2O3": 8.53,
      "B2O3": 2.26,
      "Na2O": 4.2,
      "K2O": 12.73,
      "MgO": 4.0,
      "CaO": 11.7,
      "P2O5": 6.91,
      "TiO2": 0.44,
      "Fe2O3": 7.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "redart",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7395",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.21,
      "Al2O3": 14.93,
      "B2O3": 3.66,
      "Na2O": 3.26,
      "K2O": 0.72,
      "MgO": 0.12,
      "CaO": 14.59,
      "TiO2": 4.85,
      "Fe2O3": 0.59,
      "NiO": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7397",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.82,
      "Al2O3": 11.09,
      "B2O3": 4.52,
      "Na2O": 7.12,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 15.03,
      "Cr2O3": 0.84,
      "Fe2O3": 0.07,
      "SnO2": 7.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 43.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.85
      },
      {
        "material": "total",
        "amount": 110.35
      }
    ]
  },
  {
    "id": "7399",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.53,
      "Al2O3": 9.03,
      "B2O3": 5.04,
      "Na2O": 3.9,
      "K2O": 0.78,
      "MgO": 0.02,
      "CaO": 16.26,
      "Cr2O3": 0.16,
      "Fe2O3": 0.02,
      "SnO2": 5.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "7401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.96,
      "Al2O3": 12.32,
      "B2O3": 3.24,
      "Na2O": 3.3,
      "K2O": 0.86,
      "MgO": 0.06,
      "CaO": 14.33,
      "Cr2O3": 0.2,
      "Fe2O3": 0.09,
      "SnO2": 7.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 109.7
      }
    ]
  },
  {
    "id": "7405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.77,
      "Al2O3": 10.41,
      "B2O3": 4.02,
      "Na2O": 1.85,
      "K2O": 5.46,
      "MgO": 1.36,
      "CaO": 15.67,
      "Cr2O3": 0.21,
      "Fe2O3": 0.07,
      "SnO2": 5.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 31.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.2
      }
    ]
  },
  {
    "id": "7408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.08,
      "Al2O3": 9.38,
      "B2O3": 8.44,
      "Na2O": 6.26,
      "K2O": 1.17,
      "MgO": 0.07,
      "CaO": 14.15,
      "Fe2O3": 2.0,
      "CuO": 0.45,
      "SnO2": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 37.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 106.7
      }
    ]
  },
  {
    "id": "7409",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.26,
      "Al2O3": 9.06,
      "Na2O": 0.06,
      "K2O": 8.05,
      "MgO": 0.04,
      "CaO": 9.74,
      "Fe2O3": 14.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 17.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "7411",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.16,
      "Al2O3": 4.04,
      "B2O3": 0.73,
      "Li2O": 2.14,
      "Na2O": 5.4,
      "K2O": 1.2,
      "MgO": 2.15,
      "CaO": 14.29,
      "P2O5": 4.34,
      "Fe2O3": 17.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.2
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "nepheline syenite",
        "amount": 12.3
      },
      {
        "material": "dolomite",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "7412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.92,
      "Al2O3": 17.89,
      "B2O3": 1.17,
      "Li2O": 1.64,
      "Na2O": 0.65,
      "K2O": 6.78,
      "MgO": 4.36,
      "CaO": 7.01,
      "TiO2": 0.18,
      "Fe2O3": 1.23,
      "SnO2": 6.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "7414",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.21,
      "Al2O3": 9.19,
      "B2O3": 4.39,
      "Li2O": 0.91,
      "Na2O": 2.07,
      "K2O": 1.82,
      "MgO": 4.8,
      "CaO": 7.29,
      "TiO2": 0.14,
      "ZrO2": 1.71,
      "Fe2O3": 1.08,
      "SnO2": 2.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.3
      },
      {
        "material": "ball clay",
        "amount": 13.9
      },
      {
        "material": "dolomite",
        "amount": 11.4
      },
      {
        "material": "spodumene",
        "amount": 11.4
      },
      {
        "material": "potash feldspar",
        "amount": 9.9
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 2.55
      },
      {
        "material": "tin oxide",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.55
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 107.9
      }
    ]
  },
  {
    "id": "7443",
    "chemical_composition": {
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      "B2O3": 4.1,
      "Na2O": 2.95,
      "K2O": 10.5,
      "MgO": 1.61,
      "CaO": 5.68,
      "P2O5": 2.7,
      "Fe2O3": 1.84,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.98
      },
      {
        "material": "silica",
        "amount": 34.13
      },
      {
        "material": "wood ash",
        "amount": 19.69
      },
      {
        "material": "ulexite",
        "amount": 10.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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      "K2O": 7.79,
      "MgO": 1.2,
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      "P2O5": 2.0,
      "Fe2O3": 1.38,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "bone ash",
        "amount": 7.0
      },
      {
        "material": "kaolin",
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      },
      {
        "material": "unwashed wood ash",
        "amount": 1.0
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    ]
  },
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      "Al2O3": 19.01,
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      "Li2O": 1.59,
      "Na2O": 8.22,
      "K2O": 5.41,
      "MgO": 0.76,
      "CaO": 3.69,
      "P2O5": 1.33,
      "Fe2O3": 0.99,
      "SnO2": 3.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 72.0
      },
      {
        "material": "wood ash",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "kaolin",
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      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "chemical_composition": {
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      "MgO": 4.35,
      "CaO": 13.41,
      "P2O5": 8.46,
      "TiO2": 0.6,
      "Fe2O3": 6.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 60.0
      },
      {
        "material": "apm 112",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "7476",
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      "SiO2": 55.27,
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      "MgO": 3.82,
      "CaO": 3.32,
      "P2O5": 0.04,
      "TiO2": 4.02,
      "Fe2O3": 0.15,
      "CuO": 0.73,
      "ZnO": 1.99,
      "SnO2": 7.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 37.34
      },
      {
        "material": "nepheline syenite",
        "amount": 14.93
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      {
        "material": "ep kaolin",
        "amount": 13.07
      },
      {
        "material": "talc",
        "amount": 8.09
      },
      {
        "material": "tin oxide",
        "amount": 6.85
      },
      {
        "material": "silica",
        "amount": 6.22
      },
      {
        "material": "dolomite",
        "amount": 4.36
      },
      {
        "material": "titanium dioxide",
        "amount": 3.73
      },
      {
        "material": "whiting",
        "amount": 2.49
      },
      {
        "material": "zinc oxide",
        "amount": 1.87
      },
      {
        "material": "copper carbonate",
        "amount": 1.06
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
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    "id": "7535",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 77.21,
      "Al2O3": 13.67,
      "Na2O": 4.04,
      "K2O": 1.93,
      "MgO": 0.05,
      "CaO": 0.31,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "MnO2": 2.59,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 47.6
      },
      {
        "material": "nepheline syenite",
        "amount": 41.5
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.1
      }
    ]
  },
  {
    "id": "7536",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 16.12,
      "B2O3": 1.93,
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      "K2O": 2.44,
      "CaO": 15.19,
      "MnO2": 2.81,
      "Fe2O3": 0.02,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 21.7
      },
      {
        "material": "custer feldspar",
        "amount": 21.7
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "whiting",
        "amount": 21.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 13.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.8
      }
    ]
  },
  {
    "id": "7537",
    "chemical_composition": {
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      "SiO2": 56.63,
      "Al2O3": 18.9,
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      "K2O": 0.45,
      "MgO": 3.74,
      "CaO": 9.89,
      "P2O5": 0.09,
      "TiO2": 0.26,
      "MnO2": 2.9,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7538",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.66,
      "Al2O3": 12.32,
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      "K2O": 1.98,
      "MgO": 4.91,
      "CaO": 7.63,
      "P2O5": 0.04,
      "TiO2": 3.24,
      "MnO2": 2.77,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-6 feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "7539",
    "chemical_composition": {
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      "SiO2": 63.27,
      "Al2O3": 12.66,
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      "Na2O": 0.57,
      "K2O": 6.54,
      "MgO": 5.04,
      "CaO": 7.61,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "MnO2": 2.86,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7540",
    "chemical_composition": {
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      "SiO2": 56.71,
      "Al2O3": 13.33,
      "B2O3": 8.35,
      "Na2O": 7.36,
      "K2O": 1.14,
      "MgO": 0.04,
      "CaO": 5.83,
      "SrO": 0.05,
      "BaO": 2.35,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "MnO2": 2.64,
      "FeO": 0.03,
      "Fe2O3": 0.2,
      "ZnO": 1.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "c-6 feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7541",
    "chemical_composition": {
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      "SiO2": 59.08,
      "Al2O3": 3.43,
      "B2O3": 14.97,
      "Na2O": 6.75,
      "K2O": 0.08,
      "MgO": 0.06,
      "CaO": 12.85,
      "TiO2": 0.07,
      "MnO2": 2.57,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 66.7
      },
      {
        "material": "silica",
        "amount": 24.3
      },
      {
        "material": "ball clay",
        "amount": 6.9
      },
      {
        "material": "bentonite",
        "amount": 2.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7542",
    "chemical_composition": {
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      "SiO2": 52.67,
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      "Na2O": 4.27,
      "K2O": 0.19,
      "MgO": 4.74,
      "CaO": 17.41,
      "SrO": 0.03,
      "BaO": 1.65,
      "TiO2": 3.1,
      "MnO2": 2.78,
      "FeO": 0.02,
      "Fe2O3": 0.53,
      "ZnO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "7543",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.41,
      "Al2O3": 5.63,
      "B2O3": 6.07,
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      "K2O": 0.2,
      "MgO": 4.9,
      "CaO": 17.99,
      "SrO": 0.03,
      "BaO": 1.7,
      "TiO2": 0.22,
      "MnO2": 2.87,
      "FeO": 0.02,
      "Fe2O3": 0.22,
      "ZnO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7544",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.72,
      "Al2O3": 5.5,
      "B2O3": 5.93,
      "Na2O": 4.31,
      "K2O": 0.19,
      "MgO": 11.66,
      "CaO": 7.18,
      "SrO": 0.03,
      "BaO": 1.67,
      "TiO2": 3.13,
      "MnO2": 2.81,
      "FeO": 0.02,
      "Fe2O3": 0.54,
      "ZnO": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7545",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.72,
      "Al2O3": 5.5,
      "B2O3": 5.93,
      "Na2O": 4.31,
      "K2O": 0.19,
      "MgO": 11.66,
      "CaO": 7.18,
      "SrO": 0.03,
      "BaO": 1.67,
      "TiO2": 3.13,
      "MnO2": 2.81,
      "FeO": 0.02,
      "Fe2O3": 0.54,
      "ZnO": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.3,
      "Al2O3": 6.38,
      "B2O3": 5.38,
      "Na2O": 2.49,
      "K2O": 0.21,
      "MgO": 5.24,
      "CaO": 11.87,
      "SrO": 16.57,
      "TiO2": 0.24,
      "MnO2": 3.08,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7549",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.41,
      "Al2O3": 11.3,
      "B2O3": 5.87,
      "Li2O": 1.71,
      "Na2O": 4.27,
      "K2O": 0.19,
      "MgO": 4.74,
      "CaO": 7.1,
      "SrO": 0.03,
      "BaO": 1.65,
      "TiO2": 3.1,
      "MnO2": 2.78,
      "FeO": 0.02,
      "Fe2O3": 0.53,
      "ZnO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7551",
    "chemical_composition": {
      "Amt.": 0.0,
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      "K2O": 1.32,
      "MgO": 4.77,
      "CaO": 9.74,
      "TiO2": 3.1,
      "MnO2": 2.79,
      "Fe2O3": 0.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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      {
        "material": "total base recipe",
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        "material": "manganese dioxide",
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        "material": "total",
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      {
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        "material": "manganese dioxide",
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        "material": "manganese dioxide",
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        "material": "total",
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        "material": "total base recipe",
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      {
        "material": "total",
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      {
        "material": "kentucky om #4 ball clay",
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      {
        "material": "talc",
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      {
        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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      {
        "material": "rutile",
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      {
        "material": "total",
        "amount": 106.0
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        "material": "dolomite",
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      {
        "material": "kentucky om #4 ball clay",
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      {
        "material": "total base recipe",
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        "material": "manganese dioxide",
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      {
        "material": "total",
        "amount": 103.0
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      {
        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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      {
        "material": "rutile",
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      {
        "material": "total",
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        "material": "dolomite",
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        "material": "silica",
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      {
        "material": "strontium carbonate",
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      {
        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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      {
        "material": "total",
        "amount": 103.0
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        "material": "strontium carbonate",
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      {
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        "material": "manganese dioxide",
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        "material": "total",
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        "material": "calcined kaolin",
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        "material": "ferro frit 3134",
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        "material": "spodumene",
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        "material": "wollastonite",
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
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      {
        "material": "rutile",
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      {
        "material": "total",
        "amount": 106.0
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    ]
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      {
        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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      {
        "material": "total",
        "amount": 103.0
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    ]
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        "material": "calcined kaolin",
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      {
        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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      {
        "material": "total",
        "amount": 103.0
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    ]
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        "material": "calcined kaolin",
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      {
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      {
        "material": "total base recipe",
        "amount": 100.0
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        "material": "manganese dioxide",
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      {
        "material": "rutile",
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      {
        "material": "total",
        "amount": 106.0
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    ]
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        "material": "calcined kaolin",
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      {
        "material": "total base recipe",
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        "material": "manganese dioxide",
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      {
        "material": "rutile",
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      {
        "material": "total",
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    ]
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        "material": "custer feldspar",
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        "material": "silica",
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        "material": "total base recipe",
        "amount": 100.0
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        "material": "manganese dioxide",
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        "material": "rutile",
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      {
        "material": "total",
        "amount": 106.0
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        "material": "barium carbonate",
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        "material": "total base recipe",
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      {
        "material": "manganese dioxide",
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        "material": "total",
        "amount": 103.0
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        "material": "ep kaolin",
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        "material": "ferro frit 3134",
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      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7581",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.17,
      "Al2O3": 14.56,
      "B2O3": 6.93,
      "Na2O": 3.56,
      "K2O": 1.63,
      "MgO": 2.44,
      "CaO": 10.27,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "NiO": 2.01,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7582",
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      "CaO": 9.5,
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      "TiO2": 0.11,
      "Fe2O3": 9.57,
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
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      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "chemical_composition": {
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      "Al2O3": 14.13,
      "B2O3": 6.73,
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      "K2O": 1.58,
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      "CaO": 9.97,
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      "TiO2": 0.11,
      "Fe2O3": 5.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "chemical_composition": {
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      "Al2O3": 14.1,
      "B2O3": 6.71,
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      "K2O": 1.57,
      "MgO": 2.36,
      "CaO": 9.95,
      "P2O5": 0.08,
      "TiO2": 2.89,
      "Fe2O3": 0.54,
      "CuO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "7585",
    "chemical_composition": {
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      "SiO2": 56.97,
      "Al2O3": 14.26,
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      "K2O": 1.59,
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      "CaO": 10.06,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.24,
      "CuO": 4.02,
      "LOI": 0.0
    },
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      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "7586",
    "chemical_composition": {
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      "SiO2": 58.14,
      "Al2O3": 14.55,
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      "K2O": 1.62,
      "MgO": 2.44,
      "CaO": 10.27,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "CuO": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7587",
    "chemical_composition": {
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      "SiO2": 53.68,
      "Al2O3": 13.43,
      "B2O3": 6.4,
      "Na2O": 3.29,
      "K2O": 1.5,
      "MgO": 2.25,
      "CaO": 9.48,
      "P2O5": 0.07,
      "TiO2": 5.01,
      "Fe2O3": 4.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7590",
    "chemical_composition": {
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      "SiO2": 56.83,
      "Al2O3": 14.22,
      "B2O3": 6.77,
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      "K2O": 1.59,
      "MgO": 2.38,
      "CaO": 10.03,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 3.2,
      "CoO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
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      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "7592",
    "chemical_composition": {
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      "SiO2": 55.44,
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      "K2O": 1.55,
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      "CaO": 9.79,
      "P2O5": 0.08,
      "TiO2": 3.76,
      "Fe2O3": 2.56,
      "CoO": 0.64,
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    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
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      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7593",
    "chemical_composition": {
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      "SiO2": 56.31,
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      "K2O": 1.57,
      "MgO": 2.36,
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      "TiO2": 4.74,
      "Fe2O3": 0.75,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
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      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "7594",
    "chemical_composition": {
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      "SiO2": 57.49,
      "Al2O3": 14.39,
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      "K2O": 1.61,
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      "CaO": 10.15,
      "P2O5": 0.08,
      "TiO2": 2.95,
      "Fe2O3": 0.56,
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    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7595",
    "chemical_composition": {
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      "SiO2": 53.13,
      "Al2O3": 13.56,
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      "CaO": 9.44,
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      "TiO2": 9.88,
      "Fe2O3": 0.23,
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    },
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7596",
    "chemical_composition": {
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      "SiO2": 56.76,
      "Al2O3": 13.4,
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      "K2O": 1.5,
      "MgO": 2.24,
      "CaO": 9.46,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "ZrO2": 6.58,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7597",
    "chemical_composition": {
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      "SiO2": 53.55,
      "Al2O3": 13.4,
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      "K2O": 1.5,
      "MgO": 2.24,
      "CaO": 9.46,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.23,
      "SnO2": 9.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7598",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.87,
      "Al2O3": 14.77,
      "B2O3": 6.94,
      "Na2O": 3.25,
      "K2O": 2.27,
      "MgO": 2.44,
      "CaO": 10.29,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "CoO": 0.67,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7599",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.56,
      "Al2O3": 14.65,
      "B2O3": 6.98,
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      "K2O": 1.64,
      "MgO": 2.45,
      "CaO": 10.34,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "CoO": 1.35,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7600",
    "chemical_composition": {
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      "SiO2": 58.96,
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      "K2O": 1.65,
      "MgO": 2.47,
      "CaO": 10.41,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "CoO": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "7601",
    "chemical_composition": {
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      "Al2O3": 15.51,
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      "K2O": 2.08,
      "MgO": 2.25,
      "CaO": 9.47,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7606",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 14.5,
      "Na2O": 1.25,
      "K2O": 3.14,
      "MgO": 2.46,
      "CaO": 10.45,
      "TiO2": 0.36,
      "Fe2O3": 4.73,
      "CoO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 85.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7607",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.62,
      "Al2O3": 7.62,
      "B2O3": 5.03,
      "Na2O": 2.99,
      "K2O": 3.13,
      "MgO": 5.19,
      "CaO": 11.16,
      "P2O5": 0.05,
      "TiO2": 0.24,
      "Fe2O3": 1.58,
      "CoO": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7608",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.53,
      "Al2O3": 13.15,
      "B2O3": 5.15,
      "Na2O": 5.71,
      "K2O": 3.19,
      "MgO": 2.96,
      "CaO": 3.59,
      "SrO": 0.03,
      "BaO": 1.45,
      "P2O5": 0.12,
      "TiO2": 0.62,
      "FeO": 0.02,
      "Fe2O3": 8.37,
      "ZnO": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 52.2
      },
      {
        "material": "nepheline syenite",
        "amount": 17.4
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 17.4
      },
      {
        "material": "dolomite",
        "amount": 8.7
      },
      {
        "material": "iron oxide",
        "amount": 4.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7609",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.88,
      "Al2O3": 11.32,
      "B2O3": 5.63,
      "Na2O": 5.17,
      "K2O": 2.84,
      "MgO": 4.0,
      "CaO": 3.98,
      "SrO": 0.03,
      "BaO": 1.58,
      "P2O5": 2.6,
      "TiO2": 0.63,
      "FeO": 0.02,
      "Fe2O3": 4.09,
      "ZnO": 1.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 56.6
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 9.4
      },
      {
        "material": "talc",
        "amount": 9.4
      },
      {
        "material": "bone ash",
        "amount": 5.7
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "7610",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.85,
      "Al2O3": 6.34,
      "B2O3": 7.04,
      "Na2O": 1.2,
      "K2O": 1.73,
      "MgO": 2.74,
      "CaO": 16.0,
      "P2O5": 6.47,
      "TiO2": 0.45,
      "Fe2O3": 11.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 34.5
      },
      {
        "material": "gerstley borate",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 15.4
      },
      {
        "material": "bone ash",
        "amount": 13.2
      },
      {
        "material": "iron oxide",
        "amount": 7.7
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "7611",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.35,
      "Al2O3": 7.78,
      "B2O3": 4.54,
      "Na2O": 2.2,
      "K2O": 1.97,
      "MgO": 3.26,
      "CaO": 13.35,
      "P2O5": 3.33,
      "TiO2": 0.52,
      "Fe2O3": 9.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 46.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.4
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 11.1
      },
      {
        "material": "bone ash",
        "amount": 7.4
      },
      {
        "material": "iron oxide",
        "amount": 6.5
      },
      {
        "material": "whiting",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "7612",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.54,
      "Al2O3": 3.84,
      "B2O3": 6.26,
      "Na2O": 4.55,
      "K2O": 1.0,
      "MgO": 5.37,
      "CaO": 20.32,
      "SrO": 0.03,
      "BaO": 1.76,
      "P2O5": 0.05,
      "TiO2": 5.38,
      "FeO": 1.55,
      "Fe2O3": 0.56,
      "CoO": 1.43,
      "ZnO": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7613",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.62,
      "Al2O3": 3.93,
      "B2O3": 6.4,
      "Na2O": 4.66,
      "K2O": 1.02,
      "MgO": 5.49,
      "CaO": 20.79,
      "SrO": 0.04,
      "BaO": 1.8,
      "P2O5": 0.05,
      "TiO2": 3.41,
      "FeO": 1.59,
      "Fe2O3": 0.35,
      "CoO": 1.47,
      "ZnO": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7614",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.53,
      "Al2O3": 3.66,
      "B2O3": 5.96,
      "Na2O": 4.33,
      "K2O": 0.95,
      "MgO": 5.11,
      "CaO": 17.66,
      "SrO": 0.03,
      "BaO": 1.67,
      "P2O5": 0.05,
      "TiO2": 0.25,
      "FeO": 1.48,
      "CoO": 2.02,
      "ZnO": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7624",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.33,
      "Al2O3": 7.39,
      "B2O3": 6.16,
      "Na2O": 5.15,
      "K2O": 3.17,
      "MgO": 5.26,
      "CaO": 7.51,
      "SrO": 0.03,
      "BaO": 1.73,
      "P2O5": 0.05,
      "TiO2": 0.25,
      "FeO": 0.03,
      "Fe2O3": 1.6,
      "ZnO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7633",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.12,
      "Al2O3": 13.02,
      "B2O3": 0.74,
      "Na2O": 7.55,
      "K2O": 2.24,
      "MgO": 0.05,
      "CaO": 11.42,
      "BaO": 8.68,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7636",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.67,
      "Al2O3": 16.51,
      "B2O3": 1.22,
      "Li2O": 2.17,
      "Na2O": 5.77,
      "K2O": 2.49,
      "MgO": 0.06,
      "CaO": 4.42,
      "BaO": 8.28,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 3.2,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7638",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.53,
      "Al2O3": 8.33,
      "B2O3": 3.26,
      "Na2O": 1.62,
      "K2O": 3.65,
      "MgO": 5.96,
      "CaO": 4.36,
      "P2O5": 0.01,
      "TiO2": 5.19,
      "Fe2O3": 0.72,
      "ZnO": 2.59,
      "SnO2": 4.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.4
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "gerstley borate",
        "amount": 12.7
      },
      {
        "material": "dolomite",
        "amount": 6.4
      },
      {
        "material": "kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "7650",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.11,
      "Al2O3": 11.64,
      "B2O3": 6.32,
      "Na2O": 3.33,
      "K2O": 1.61,
      "MgO": 3.46,
      "CaO": 8.75,
      "P2O5": 0.05,
      "TiO2": 1.98,
      "Fe2O3": 0.49,
      "CuO": 4.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 33.33
      },
      {
        "material": "gerstley borate",
        "amount": 22.22
      },
      {
        "material": "silica",
        "amount": 22.22
      },
      {
        "material": "dolomite",
        "amount": 11.11
      },
      {
        "material": "ep kaolin",
        "amount": 11.11
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.99
      }
    ]
  },
  {
    "id": "7651",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.94,
      "Al2O3": 15.12,
      "B2O3": 3.08,
      "Li2O": 3.74,
      "Na2O": 4.97,
      "K2O": 2.2,
      "MgO": 0.46,
      "CaO": 7.73,
      "P2O5": 0.04,
      "TiO2": 11.54,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7652",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.31,
      "Al2O3": 16.7,
      "B2O3": 1.23,
      "Li2O": 2.2,
      "Na2O": 5.84,
      "K2O": 2.52,
      "MgO": 0.07,
      "CaO": 4.48,
      "BaO": 8.38,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "CuO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7653",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.75,
      "Al2O3": 16.54,
      "B2O3": 1.22,
      "Li2O": 2.18,
      "Na2O": 5.78,
      "K2O": 2.49,
      "MgO": 0.06,
      "CaO": 4.43,
      "BaO": 8.29,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 3.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7654",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.5,
      "Al2O3": 17.06,
      "B2O3": 1.26,
      "Li2O": 2.24,
      "Na2O": 5.96,
      "K2O": 2.57,
      "MgO": 0.07,
      "CaO": 4.57,
      "BaO": 8.56,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.85,
      "Al2O3": 14.09,
      "B2O3": 5.77,
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      "K2O": 1.22,
      "MgO": 0.05,
      "CaO": 16.52,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 2.36,
      "LOI": 0.0
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    "ingredients": [
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        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
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      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
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      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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    "ingredients": [
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        "material": "wollastonite",
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      },
      {
        "material": "potash feldspar",
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      {
        "material": "silica",
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      {
        "material": "ball clay",
        "amount": 12.5
      },
      {
        "material": "kaolin",
        "amount": 12.5
      },
      {
        "material": "talc",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "chemical_composition": {
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      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "CuO": 0.72,
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        "material": "ferro frit 3134",
        "amount": 25.0
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      {
        "material": "nepheline syenite",
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      {
        "material": "whiting",
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      {
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
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    ]
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    "chemical_composition": {
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      "Na2O": 5.46,
      "K2O": 1.31,
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      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 2.19,
      "Fe2O3": 0.15,
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    },
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      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "nepheline syenite",
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      {
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
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    ]
  },
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    "id": "7660",
    "chemical_composition": {
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      "SiO2": 49.25,
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      "CaO": 16.58,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 9.8,
      "LOI": 0.0
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        "material": "ferro frit 3134",
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      },
      {
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      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7661",
    "chemical_composition": {
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      "SiO2": 53.75,
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      "B2O3": 6.32,
      "Na2O": 5.55,
      "K2O": 1.33,
      "MgO": 0.05,
      "CaO": 18.09,
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      "TiO2": 0.06,
      "Fe2O3": 0.15,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "7664",
    "chemical_composition": {
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      "TiO2": 0.08,
      "Fe2O3": 2.42,
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        "material": "nepheline syenite",
        "amount": 45.0
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      {
        "material": "ep kaolin",
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      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
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      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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    "id": "7666",
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      "CaO": 11.43,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Cr2O3": 2.19,
      "Fe2O3": 0.22,
      "CoO": 0.69,
      "ZnO": 13.12,
      "LOI": 0.0
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        "material": "nepheline syenite",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7667",
    "chemical_composition": {
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      "SiO2": 46.34,
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      "MgO": 0.07,
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      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CuO": 0.72,
      "ZnO": 13.41,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 45.0
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "7668",
    "chemical_composition": {
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      "SiO2": 42.17,
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      "K2O": 2.18,
      "MgO": 0.07,
      "CaO": 10.63,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 9.86,
      "ZnO": 12.2,
      "LOI": 0.0
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        "material": "nepheline syenite",
        "amount": 45.0
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "7669",
    "chemical_composition": {
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      "SiO2": 46.03,
      "Al2O3": 19.93,
      "Na2O": 4.91,
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      "MgO": 0.07,
      "CaO": 11.6,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "CoO": 1.4,
      "ZnO": 13.32,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "7670",
    "chemical_composition": {
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      "SiO2": 46.35,
      "Al2O3": 20.07,
      "Na2O": 4.95,
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      "MgO": 0.07,
      "CaO": 11.68,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CoO": 0.7,
      "ZnO": 13.42,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "7686",
    "chemical_composition": {
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      "SiO2": 66.78,
      "Al2O3": 9.87,
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      "MgO": 0.04,
      "CaO": 9.21,
      "Fe2O3": 10.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.9
      },
      {
        "material": "soda feldspar",
        "amount": 34.1
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      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "7687",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.36,
      "Al2O3": 24.9,
      "Na2O": 4.06,
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      "MgO": 0.08,
      "CaO": 0.33,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "7692",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.9,
      "Al2O3": 12.14,
      "B2O3": 4.7,
      "Na2O": 4.12,
      "K2O": 1.01,
      "MgO": 0.04,
      "CaO": 18.62,
      "P2O5": 4.42,
      "TiO2": 0.07,
      "Fe2O3": 5.06,
      "CoO": 1.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "7696",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.49,
      "Al2O3": 7.29,
      "B2O3": 6.08,
      "Na2O": 5.08,
      "K2O": 3.12,
      "MgO": 5.19,
      "CaO": 7.41,
      "SrO": 0.03,
      "BaO": 1.71,
      "P2O5": 0.05,
      "TiO2": 0.24,
      "FeO": 0.02,
      "Fe2O3": 1.58,
      "CoO": 1.39,
      "ZnO": 1.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7698",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.45,
      "Al2O3": 19.89,
      "Na2O": 4.66,
      "K2O": 2.26,
      "MgO": 7.86,
      "CaO": 11.21,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.23,
      "CuO": 2.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7699",
    "chemical_composition": {
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      "SiO2": 56.8,
      "Al2O3": 9.52,
      "B2O3": 9.64,
      "Na2O": 6.88,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 8.16,
      "SrO": 0.05,
      "BaO": 2.71,
      "P2O5": 0.07,
      "TiO2": 2.8,
      "FeO": 0.04,
      "Fe2O3": 0.49,
      "CuO": 0.64,
      "ZnO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "7700",
    "chemical_composition": {
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      "SiO2": 61.22,
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      "Na2O": 3.63,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 14.37,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.19,
      "CuO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7701",
    "chemical_composition": {
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      "SiO2": 50.78,
      "Al2O3": 19.64,
      "Na2O": 4.6,
      "K2O": 2.23,
      "MgO": 0.07,
      "CaO": 20.05,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CuO": 2.26,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
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      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "7702",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.51,
      "Al2O3": 15.55,
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      "Na2O": 4.59,
      "K2O": 2.55,
      "MgO": 0.04,
      "CaO": 2.81,
      "SrO": 18.17,
      "P2O5": 0.04,
      "TiO2": 5.13,
      "Fe2O3": 0.13,
      "CuO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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    "id": "7705",
    "chemical_composition": {
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      "SiO2": 47.33,
      "Al2O3": 18.3,
      "Na2O": 4.29,
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      "MgO": 0.07,
      "CaO": 0.35,
      "SrO": 22.95,
      "P2O5": 0.06,
      "TiO2": 3.03,
      "Fe2O3": 0.53,
      "CoO": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "7706",
    "chemical_composition": {
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      "SiO2": 61.22,
      "Al2O3": 10.22,
      "B2O3": 8.12,
      "Na2O": 3.63,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 14.37,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.19,
      "CuO": 1.97,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7707",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.0,
      "Al2O3": 19.27,
      "Li2O": 2.85,
      "Na2O": 0.02,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 7.42,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.19,
      "CuO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7708",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.88,
      "Al2O3": 10.33,
      "Na2O": 0.02,
      "K2O": 0.1,
      "MgO": 0.03,
      "CaO": 8.06,
      "BaO": 30.06,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.21,
      "CuO": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7709",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.65,
      "Al2O3": 19.31,
      "Na2O": 4.36,
      "K2O": 2.05,
      "MgO": 0.04,
      "CaO": 0.31,
      "SrO": 23.42,
      "Fe2O3": 0.04,
      "CoO": 0.7,
      "CuO": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7710",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.22,
      "Al2O3": 17.48,
      "Na2O": 4.1,
      "K2O": 1.99,
      "MgO": 0.06,
      "CaO": 0.33,
      "SrO": 21.93,
      "P2O5": 0.05,
      "TiO2": 5.29,
      "Fe2O3": 0.2,
      "CuO": 3.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7711",
    "chemical_composition": {
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      "SiO2": 48.59,
      "Al2O3": 12.29,
      "Na2O": 2.12,
      "K2O": 2.58,
      "MgO": 0.22,
      "CaO": 14.46,
      "P2O5": 0.01,
      "TiO2": 5.38,
      "Fe2O3": 0.37,
      "CuO": 3.4,
      "ZnO": 10.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 44.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 78.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 86.0
      }
    ]
  },
  {
    "id": "7712",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.39,
      "Al2O3": 18.71,
      "Na2O": 4.38,
      "K2O": 2.13,
      "MgO": 0.07,
      "CaO": 0.35,
      "SrO": 23.47,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.21,
      "CuO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.73,
      "Al2O3": 17.01,
      "Na2O": 3.99,
      "K2O": 1.93,
      "MgO": 0.06,
      "CaO": 15.0,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.19,
      "CuO": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "wollastonite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7715",
    "chemical_composition": {
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      "SiO2": 44.99,
      "Al2O3": 9.51,
      "Na2O": 0.02,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 7.42,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.19,
      "CuO": 1.97,
      "ZnO": 35.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc oxide",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7716",
    "chemical_composition": {
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      "SiO2": 62.18,
      "Al2O3": 7.18,
      "B2O3": 6.68,
      "Na2O": 2.22,
      "K2O": 4.18,
      "MgO": 1.86,
      "CaO": 13.32,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7717",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.68,
      "Al2O3": 9.69,
      "Na2O": 0.35,
      "K2O": 5.05,
      "MgO": 0.05,
      "CaO": 10.69,
      "TiO2": 1.04,
      "Fe2O3": 0.26,
      "CuO": 1.28,
      "ZnO": 11.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.81,
      "Al2O3": 9.71,
      "B2O3": 3.42,
      "Li2O": 0.87,
      "Na2O": 6.54,
      "K2O": 2.4,
      "MgO": 0.47,
      "CaO": 9.27,
      "SrO": 3.73,
      "P2O5": 0.01,
      "TiO2": 4.27,
      "Fe2O3": 0.07,
      "CuO": 3.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "7719",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.81,
      "Al2O3": 9.11,
      "Na2O": 1.06,
      "K2O": 3.55,
      "MgO": 0.05,
      "CaO": 9.6,
      "TiO2": 1.91,
      "Fe2O3": 0.36,
      "CuO": 1.89,
      "ZnO": 16.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7720",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.07,
      "Al2O3": 16.16,
      "B2O3": 4.98,
      "Na2O": 8.71,
      "K2O": 3.04,
      "MgO": 0.11,
      "CaO": 15.78,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7721",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.45,
      "Al2O3": 15.45,
      "Li2O": 0.91,
      "Na2O": 4.4,
      "K2O": 2.11,
      "MgO": 4.47,
      "CaO": 10.23,
      "P2O5": 2.88,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "CuO": 1.44,
      "ZnO": 4.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7722",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.98,
      "Al2O3": 18.86,
      "Na2O": 7.65,
      "K2O": 3.57,
      "MgO": 1.33,
      "CaO": 4.53,
      "Fe2O3": 0.26,
      "CuO": 0.67,
      "ZnO": 3.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "7724",
    "chemical_composition": {
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      "SiO2": 51.99,
      "Al2O3": 16.36,
      "Li2O": 0.84,
      "Na2O": 6.24,
      "K2O": 2.94,
      "MgO": 0.33,
      "CaO": 0.49,
      "SrO": 18.19,
      "TiO2": 0.04,
      "Fe2O3": 0.25,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ball clay",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "7731",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.17,
      "Al2O3": 11.37,
      "Na2O": 1.46,
      "K2O": 4.82,
      "MgO": 0.04,
      "CaO": 4.28,
      "SrO": 25.63,
      "TiO2": 0.14,
      "Fe2O3": 0.19,
      "CuO": 1.48,
      "ZnO": 10.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.91
      },
      {
        "material": "strontium carbonate",
        "amount": 31.82
      },
      {
        "material": "ball clay",
        "amount": 11.82
      },
      {
        "material": "zinc oxide",
        "amount": 9.09
      },
      {
        "material": "whiting",
        "amount": 6.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "7732",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.02,
      "Al2O3": 15.73,
      "B2O3": 6.94,
      "Na2O": 6.26,
      "K2O": 2.65,
      "MgO": 3.47,
      "CaO": 8.86,
      "P2O5": 0.03,
      "TiO2": 0.16,
      "ZrO2": 3.79,
      "Fe2O3": 0.28,
      "CuO": 2.18,
      "SnO2": 5.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7734",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.85,
      "Al2O3": 17.57,
      "Li2O": 2.21,
      "Na2O": 6.37,
      "K2O": 3.01,
      "MgO": 0.07,
      "CaO": 0.47,
      "BaO": 20.19,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "CuO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "barium carbonate",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7735",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.91,
      "Al2O3": 11.38,
      "B2O3": 7.55,
      "Na2O": 3.85,
      "K2O": 2.04,
      "MgO": 1.02,
      "CaO": 11.21,
      "BaO": 7.0,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "CuO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "barium carbonate",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7741",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.85,
      "Al2O3": 11.01,
      "B2O3": 6.75,
      "Na2O": 1.71,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 17.83,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "MnO2": 3.2,
      "Fe2O3": 0.15,
      "CoO": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.7
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "7768",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.91,
      "Al2O3": 3.66,
      "B2O3": 10.16,
      "Li2O": 4.29,
      "Na2O": 2.04,
      "K2O": 0.4,
      "MgO": 1.38,
      "CaO": 18.51,
      "P2O5": 0.05,
      "TiO2": 4.32,
      "Fe2O3": 0.74,
      "CuO": 1.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.6
      },
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 16.7
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "ep kaolin",
        "amount": 3.9
      },
      {
        "material": "nepheline syenite",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "7791",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.88,
      "Al2O3": 12.46,
      "Na2O": 0.01,
      "K2O": 6.42,
      "MgO": 0.02,
      "CaO": 7.78,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.11,
      "CoO": 0.34,
      "ZnO": 11.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 34.73
      },
      {
        "material": "silica",
        "amount": 27.36
      },
      {
        "material": "ep kaolin",
        "amount": 13.73
      },
      {
        "material": "whiting",
        "amount": 12.74
      },
      {
        "material": "zinc oxide",
        "amount": 10.95
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "7871",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.83,
      "Al2O3": 10.19,
      "B2O3": 4.49,
      "Na2O": 2.55,
      "K2O": 1.19,
      "MgO": 0.4,
      "CaO": 15.0,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.02,
      "MnO": 0.02,
      "Fe2O3": 0.23,
      "SnO2": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "custer - new",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 105.02
      }
    ]
  },
  {
    "id": "7884",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.49,
      "Al2O3": 10.77,
      "B2O3": 2.02,
      "Na2O": 1.63,
      "K2O": 1.57,
      "MgO": 0.47,
      "CaO": 14.69,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 0.02,
      "MnO": 0.03,
      "Fe2O3": 0.25,
      "SnO2": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 29.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "custer - new",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 105.02
      }
    ]
  },
  {
    "id": "7964",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 13.56,
      "B2O3": 6.69,
      "Na2O": 5.58,
      "K2O": 2.26,
      "MgO": 1.58,
      "CaO": 7.36,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 2.6,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.23
      },
      {
        "material": "gerstley borate",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 18.9
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "talc",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.03
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.03
      }
    ]
  },
  {
    "id": "7965",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.03,
      "Al2O3": 10.08,
      "B2O3": 5.45,
      "Li2O": 2.88,
      "Na2O": 2.25,
      "K2O": 2.28,
      "MgO": 3.18,
      "CaO": 7.63,
      "P2O5": 0.08,
      "TiO2": 0.21,
      "ZrO2": 6.87,
      "Fe2O3": 2.95,
      "SnO2": 5.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 56.1
      },
      {
        "material": "gerstley borate",
        "amount": 18.7
      },
      {
        "material": "zircopax",
        "amount": 9.4
      },
      {
        "material": "silica",
        "amount": 9.3
      },
      {
        "material": "lithium carbonate",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.7
      }
    ]
  },
  {
    "id": "7967",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.0,
      "Al2O3": 12.34,
      "B2O3": 5.84,
      "Na2O": 4.15,
      "K2O": 1.65,
      "MgO": 0.85,
      "CaO": 10.61,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 2.18,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "7968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.97,
      "Al2O3": 9.51,
      "B2O3": 3.24,
      "Na2O": 3.36,
      "K2O": 1.02,
      "MgO": 0.11,
      "CaO": 14.35,
      "TiO2": 0.18,
      "Cr2O3": 0.2,
      "Fe2O3": 0.28,
      "CoO": 0.16,
      "SnO2": 7.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 109.95
      }
    ]
  },
  {
    "id": "7969",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.1,
      "Al2O3": 17.01,
      "B2O3": 5.07,
      "Na2O": 2.34,
      "K2O": 0.37,
      "MgO": 0.04,
      "CaO": 18.57,
      "P2O5": 0.09,
      "TiO2": 0.14,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.47,
      "Al2O3": 5.9,
      "B2O3": 8.04,
      "Na2O": 1.26,
      "K2O": 3.34,
      "MgO": 5.3,
      "CaO": 5.85,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 13.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 31.6
      },
      {
        "material": "silica",
        "amount": 29.7
      },
      {
        "material": "feldspar",
        "amount": 19.8
      },
      {
        "material": "talc",
        "amount": 13.9
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "7971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.11,
      "Al2O3": 12.44,
      "B2O3": 3.04,
      "Na2O": 4.69,
      "K2O": 1.99,
      "MgO": 7.11,
      "CaO": 5.39,
      "SrO": 0.06,
      "P2O5": 0.01,
      "TiO2": 5.61,
      "ZrO2": 6.96,
      "Fe2O3": 0.77,
      "CoO": 0.65,
      "ZnO": 5.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "gillespie borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 82.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "7974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.64,
      "Al2O3": 11.57,
      "B2O3": 5.89,
      "Na2O": 3.76,
      "K2O": 3.34,
      "MgO": 1.32,
      "CaO": 10.49,
      "P2O5": 0.04,
      "TiO2": 1.14,
      "Fe2O3": 2.34,
      "CoO": 0.35,
      "CuO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 92.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "7975",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.54,
      "Al2O3": 13.96,
      "B2O3": 4.35,
      "Na2O": 1.49,
      "K2O": 0.28,
      "MgO": 0.03,
      "CaO": 15.71,
      "P2O5": 0.07,
      "TiO2": 5.3,
      "Fe2O3": 0.79,
      "CuO": 2.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.23,
      "Al2O3": 12.28,
      "Li2O": 2.13,
      "Na2O": 1.51,
      "K2O": 1.99,
      "MgO": 0.15,
      "CaO": 6.7,
      "SrO": 9.17,
      "P2O5": 0.01,
      "TiO2": 0.21,
      "Fe2O3": 0.31,
      "CuO": 2.61,
      "SnO2": 4.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.5
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "7979",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.79,
      "Al2O3": 13.24,
      "B2O3": 0.12,
      "Na2O": 2.02,
      "K2O": 4.25,
      "MgO": 0.08,
      "CaO": 13.13,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "7980",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.67,
      "Al2O3": 12.03,
      "Na2O": 0.96,
      "K2O": 3.23,
      "MgO": 3.68,
      "CaO": 11.81,
      "P2O5": 0.05,
      "TiO2": 7.68,
      "Fe2O3": 1.0,
      "CuO": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.78
      },
      {
        "material": "silica",
        "amount": 24.35
      },
      {
        "material": "ep kaolin",
        "amount": 15.56
      },
      {
        "material": "dolomite",
        "amount": 14.63
      },
      {
        "material": "whiting",
        "amount": 10.28
      },
      {
        "material": "rutile",
        "amount": 7.41
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 2.55
      },
      {
        "material": "total",
        "amount": 102.56
      }
    ]
  },
  {
    "id": "7989",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.77,
      "Al2O3": 14.8,
      "B2O3": 2.93,
      "Li2O": 3.58,
      "Na2O": 4.8,
      "K2O": 2.12,
      "MgO": 0.48,
      "CaO": 7.39,
      "P2O5": 0.04,
      "TiO2": 13.47,
      "Fe2O3": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.4
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "ep kaolin",
        "amount": 11.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "7992",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.83,
      "Al2O3": 19.47,
      "Na2O": 6.88,
      "K2O": 3.26,
      "MgO": 2.37,
      "CaO": 3.7,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.13,
      "CuO": 2.02,
      "ZnO": 6.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 67.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 94.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "7993",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.38,
      "Al2O3": 9.84,
      "Na2O": 0.4,
      "K2O": 4.95,
      "MgO": 0.09,
      "CaO": 10.45,
      "TiO2": 1.01,
      "Fe2O3": 0.32,
      "CuO": 1.94,
      "ZnO": 11.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "7994",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.4,
      "Al2O3": 12.86,
      "B2O3": 4.52,
      "Na2O": 2.6,
      "K2O": 1.98,
      "CaO": 13.49,
      "Cr2O3": 0.5,
      "Fe2O3": 0.02,
      "CoO": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "7995",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.95,
      "Al2O3": 16.77,
      "Li2O": 0.41,
      "Na2O": 5.91,
      "K2O": 2.86,
      "MgO": 0.1,
      "CaO": 0.45,
      "SrO": 14.04,
      "TiO2": 5.12,
      "Fe2O3": 0.17,
      "CuO": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "7996",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.51,
      "Al2O3": 15.55,
      "B2O3": 2.22,
      "Na2O": 4.59,
      "K2O": 2.55,
      "MgO": 0.04,
      "CaO": 2.81,
      "SrO": 18.17,
      "P2O5": 0.04,
      "TiO2": 5.13,
      "Fe2O3": 0.13,
      "CuO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.05,
      "Al2O3": 10.3,
      "B2O3": 2.27,
      "Na2O": 2.03,
      "K2O": 1.7,
      "MgO": 5.6,
      "CaO": 9.81,
      "SrO": 0.05,
      "BaO": 0.04,
      "P2O5": 3.6,
      "TiO2": 0.19,
      "Fe2O3": 10.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin g1",
        "amount": 29.2
      },
      {
        "material": "talc - cps",
        "amount": 16.7
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 11.6
      },
      {
        "material": "red iron oxide",
        "amount": 10.3
      },
      {
        "material": "wollastonite",
        "amount": 8.8
      },
      {
        "material": "silica",
        "amount": 8.2
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 7.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.77,
      "Al2O3": 16.6,
      "B2O3": 4.05,
      "Na2O": 2.0,
      "K2O": 2.39,
      "MgO": 2.36,
      "CaO": 8.34,
      "P2O5": 0.08,
      "TiO2": 2.89,
      "Fe2O3": 0.54,
      "CuO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "8015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.51,
      "Al2O3": 15.55,
      "B2O3": 2.22,
      "Na2O": 4.59,
      "K2O": 2.55,
      "MgO": 0.04,
      "CaO": 2.81,
      "SrO": 18.17,
      "P2O5": 0.04,
      "TiO2": 5.13,
      "Fe2O3": 0.13,
      "CuO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.72,
      "Al2O3": 18.91,
      "B2O3": 1.82,
      "Li2O": 2.75,
      "Na2O": 3.36,
      "K2O": 1.46,
      "MgO": 0.07,
      "CaO": 1.75,
      "SrO": 10.84,
      "TiO2": 4.99,
      "Fe2O3": 0.13,
      "CuO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.3
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 99.5
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "8017",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.05,
      "Al2O3": 19.03,
      "B2O3": 1.83,
      "Li2O": 2.76,
      "Na2O": 3.38,
      "K2O": 1.47,
      "MgO": 0.07,
      "CaO": 1.76,
      "SrO": 10.91,
      "TiO2": 5.02,
      "Fe2O3": 0.13,
      "CuO": 2.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.3
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 99.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "8018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.38,
      "Al2O3": 19.16,
      "B2O3": 1.84,
      "Li2O": 2.78,
      "Na2O": 3.4,
      "K2O": 1.48,
      "MgO": 0.07,
      "CaO": 1.77,
      "SrO": 10.98,
      "TiO2": 5.05,
      "Fe2O3": 0.13,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.3
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.4
      },
      {
        "material": "total base recipe",
        "amount": 99.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "8019",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.13,
      "Al2O3": 18.83,
      "B2O3": 0.98,
      "Li2O": 2.18,
      "Na2O": 3.32,
      "K2O": 1.58,
      "MgO": 0.07,
      "CaO": 1.06,
      "SrO": 12.51,
      "TiO2": 5.01,
      "Fe2O3": 0.11,
      "CuO": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.3
      },
      {
        "material": "spodumene",
        "amount": 27.2
      },
      {
        "material": "strontium carbonate",
        "amount": 17.8
      },
      {
        "material": "grolleg kaolin",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 98.6
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "8020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.42,
      "Al2O3": 16.78,
      "B2O3": 4.1,
      "Na2O": 2.02,
      "K2O": 2.42,
      "MgO": 2.38,
      "CaO": 8.43,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.24,
      "CuO": 4.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "8022",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.62,
      "Al2O3": 6.43,
      "B2O3": 2.01,
      "Li2O": 5.32,
      "Na2O": 2.97,
      "K2O": 1.28,
      "MgO": 1.84,
      "CaO": 9.69,
      "BaO": 1.79,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.06,
      "CoO": 0.15,
      "CuO": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.5
      },
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 12.4
      },
      {
        "material": "lithium carbonate",
        "amount": 11.3
      },
      {
        "material": "gerstley borate",
        "amount": 6.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.8
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "copper carbonate",
        "amount": 3.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "8023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.47,
      "Al2O3": 12.63,
      "Na2O": 1.93,
      "K2O": 6.42,
      "MgO": 0.03,
      "CaO": 10.66,
      "TiO2": 0.08,
      "Fe2O3": 0.14,
      "CuO": 0.18,
      "ZnO": 5.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.25
      }
    ]
  },
  {
    "id": "8024",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.15,
      "Al2O3": 11.95,
      "B2O3": 6.15,
      "Na2O": 4.14,
      "K2O": 1.64,
      "MgO": 0.85,
      "CaO": 9.6,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 2.18,
      "Fe2O3": 0.21,
      "CoO": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "8025",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.4,
      "Al2O3": 13.55,
      "B2O3": 4.98,
      "Na2O": 1.65,
      "K2O": 0.27,
      "MgO": 0.03,
      "CaO": 15.53,
      "P2O5": 0.07,
      "TiO2": 5.27,
      "Fe2O3": 0.78,
      "CuO": 2.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8026",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.15,
      "Al2O3": 11.95,
      "B2O3": 6.15,
      "Na2O": 4.14,
      "K2O": 1.64,
      "MgO": 0.85,
      "CaO": 9.6,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 2.18,
      "Fe2O3": 0.21,
      "CoO": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "8027",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.33,
      "Al2O3": 10.97,
      "B2O3": 5.05,
      "Na2O": 3.84,
      "K2O": 1.29,
      "MgO": 4.96,
      "CaO": 11.53,
      "TiO2": 0.27,
      "Cr2O3": 1.11,
      "Fe2O3": 0.25,
      "CoO": 1.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "8028",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.87,
      "Al2O3": 13.17,
      "B2O3": 0.72,
      "Na2O": 5.46,
      "K2O": 2.51,
      "MgO": 0.21,
      "CaO": 0.93,
      "SrO": 37.66,
      "P2O5": 0.0,
      "TiO2": 0.0,
      "Fe2O3": 0.18,
      "CuO": 4.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "strontium carbonate",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "8057",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.1,
      "Al2O3": 15.67,
      "B2O3": 4.78,
      "Li2O": 1.89,
      "Na2O": 10.31,
      "K2O": 2.39,
      "MgO": 0.74,
      "CaO": 3.79,
      "P2O5": 0.02,
      "TiO2": 4.42,
      "FeO": 1.02,
      "Fe2O3": 0.71,
      "ZnO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.3
      },
      {
        "material": "goldart",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "granular ilmenite",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.1
      }
    ]
  },
  {
    "id": "8083",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.74,
      "Al2O3": 10.69,
      "B2O3": 0.14,
      "Na2O": 0.85,
      "K2O": 8.9,
      "MgO": 1.43,
      "CaO": 11.95,
      "BaO": 2.25,
      "P2O5": 0.0,
      "TiO2": 0.01,
      "Fe2O3": 0.09,
      "CuO": 0.33,
      "ZnO": 2.59,
      "SnO2": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.98
      },
      {
        "material": "silica",
        "amount": 19.19
      },
      {
        "material": "whiting",
        "amount": 19.19
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.8
      },
      {
        "material": "barium carbonate",
        "amount": 2.69
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.69
      },
      {
        "material": "bentonite",
        "amount": 1.92
      },
      {
        "material": "ep kaolin",
        "amount": 1.53
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "zinc oxide",
        "amount": 2.4
      },
      {
        "material": "tin oxide",
        "amount": 0.96
      },
      {
        "material": "copper carbonate",
        "amount": 0.48
      },
      {
        "material": "silicon carbide",
        "amount": 0.48
      },
      {
        "material": "total",
        "amount": 104.31
      }
    ]
  },
  {
    "id": "8207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.2,
      "Al2O3": 15.34,
      "Na2O": 1.33,
      "K2O": 4.44,
      "MgO": 0.02,
      "CaO": 0.17,
      "BaO": 33.91,
      "P2O5": 0.05,
      "TiO2": 0.11,
      "Fe2O3": 0.21,
      "CuO": 4.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "c & c ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "8208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.01,
      "Al2O3": 12.16,
      "B2O3": 1.16,
      "Na2O": 5.37,
      "K2O": 2.26,
      "MgO": 0.13,
      "CaO": 1.37,
      "BaO": 37.47,
      "Fe2O3": 0.19,
      "CuO": 5.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 47.5
      },
      {
        "material": "nepheline syenite",
        "amount": 47.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "8209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.53,
      "Al2O3": 7.34,
      "B2O3": 6.66,
      "Na2O": 2.24,
      "K2O": 4.17,
      "MgO": 1.88,
      "CaO": 13.29,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.17,
      "CuO": 1.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.3
      },
      {
        "material": "bentonite",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 103.1
      }
    ]
  },
  {
    "id": "8210",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.82,
      "Al2O3": 16.27,
      "Li2O": 1.16,
      "Na2O": 6.08,
      "K2O": 2.91,
      "MgO": 0.09,
      "CaO": 0.45,
      "BaO": 22.16,
      "TiO2": 0.08,
      "Fe2O3": 0.13,
      "CuO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "8212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.99,
      "Al2O3": 9.51,
      "Na2O": 0.02,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 7.42,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.19,
      "CuO": 1.97,
      "ZnO": 35.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc oxide",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "8213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.58,
      "Al2O3": 9.63,
      "Na2O": 0.02,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 7.52,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.2,
      "CuO": 0.66,
      "ZnO": 36.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc oxide",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "8225",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.68,
      "Al2O3": 16.31,
      "Li2O": 1.29,
      "Na2O": 5.96,
      "K2O": 2.86,
      "MgO": 0.11,
      "CaO": 0.45,
      "BaO": 21.34,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "CuO": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.0
      },
      {
        "material": "barium carbonate",
        "amount": 26.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "8227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.39,
      "Al2O3": 7.18,
      "B2O3": 7.58,
      "Na2O": 3.03,
      "K2O": 1.03,
      "MgO": 1.14,
      "CaO": 6.98,
      "SrO": 3.87,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "Pr2O3": 14.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "praseodymium oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "8228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.49,
      "Al2O3": 6.54,
      "B2O3": 2.03,
      "Li2O": 2.57,
      "Na2O": 0.93,
      "K2O": 0.1,
      "CaO": 18.59,
      "P2O5": 2.23,
      "Cr2O3": 0.26,
      "SnO2": 5.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 45.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 110.25
      }
    ]
  },
  {
    "id": "8232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.74,
      "Al2O3": 11.05,
      "B2O3": 5.09,
      "Na2O": 3.87,
      "K2O": 1.29,
      "MgO": 4.99,
      "CaO": 11.61,
      "TiO2": 0.27,
      "Fe2O3": 0.25,
      "CoO": 0.7,
      "SnO2": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "8233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.92,
      "Al2O3": 10.16,
      "B2O3": 4.68,
      "Na2O": 3.56,
      "K2O": 1.19,
      "MgO": 4.59,
      "CaO": 10.67,
      "TiO2": 0.25,
      "Fe2O3": 9.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.64,
      "Al2O3": 10.11,
      "B2O3": 4.66,
      "Na2O": 3.54,
      "K2O": 1.18,
      "MgO": 4.57,
      "CaO": 10.62,
      "TiO2": 9.44,
      "Fe2O3": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.98,
      "Al2O3": 10.11,
      "B2O3": 4.65,
      "Na2O": 3.54,
      "K2O": 1.18,
      "MgO": 4.57,
      "CaO": 10.62,
      "TiO2": 0.25,
      "ZrO2": 6.87,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8237",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.85,
      "Al2O3": 11.26,
      "B2O3": 5.18,
      "Na2O": 3.94,
      "K2O": 1.32,
      "MgO": 5.09,
      "CaO": 11.83,
      "TiO2": 0.27,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8238",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.12,
      "Al2O3": 13.01,
      "B2O3": 4.57,
      "Na2O": 2.63,
      "K2O": 2.0,
      "CaO": 13.65,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8313",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.71,
      "Al2O3": 9.47,
      "B2O3": 7.52,
      "Na2O": 3.36,
      "K2O": 0.08,
      "MgO": 0.02,
      "CaO": 13.31,
      "P2O5": 0.06,
      "TiO2": 4.8,
      "Fe2O3": 4.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8316",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.68,
      "Al2O3": 7.15,
      "B2O3": 6.0,
      "Na2O": 3.36,
      "K2O": 2.32,
      "MgO": 0.64,
      "CaO": 9.63,
      "SrO": 1.99,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 4.99,
      "SnO2": 11.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.6
      },
      {
        "material": "custer feldspar",
        "amount": 26.6
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "wollastonite",
        "amount": 10.6
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "strontium carbonate",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 2.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.1
      }
    ]
  },
  {
    "id": "8317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.61,
      "Al2O3": 5.57,
      "B2O3": 1.84,
      "Li2O": 4.41,
      "Na2O": 2.59,
      "K2O": 1.11,
      "MgO": 1.67,
      "CaO": 9.22,
      "BaO": 1.53,
      "P2O5": 0.01,
      "TiO2": 5.31,
      "ZrO2": 3.96,
      "Fe2O3": 7.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "gerstley borate",
        "amount": 7.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "8318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.85,
      "Al2O3": 14.09,
      "B2O3": 5.77,
      "Na2O": 5.05,
      "K2O": 1.22,
      "MgO": 0.05,
      "CaO": 16.52,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 2.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.94,
      "Al2O3": 16.66,
      "B2O3": 4.06,
      "Na2O": 2.33,
      "K2O": 1.9,
      "MgO": 2.37,
      "CaO": 8.42,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 5.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.6
      },
      {
        "material": "g-200 feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "8320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.3,
      "Al2O3": 17.49,
      "B2O3": 4.02,
      "Na2O": 1.99,
      "K2O": 2.37,
      "MgO": 2.34,
      "CaO": 8.29,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 1.36,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.6
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "8321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.37,
      "Al2O3": 11.31,
      "B2O3": 1.57,
      "Li2O": 1.89,
      "Na2O": 0.85,
      "K2O": 1.0,
      "MgO": 5.63,
      "CaO": 8.69,
      "P2O5": 0.05,
      "TiO2": 0.26,
      "Fe2O3": 3.41,
      "SnO2": 4.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.5
      },
      {
        "material": "redart",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "tin oxide",
        "amount": 4.9
      },
      {
        "material": "yellow ochre",
        "amount": 3.2
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.2
      }
    ]
  },
  {
    "id": "8323",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.23,
      "Al2O3": 12.8,
      "B2O3": 6.77,
      "Na2O": 4.25,
      "K2O": 3.81,
      "MgO": 1.47,
      "CaO": 5.94,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 3.8,
      "CoO": 0.4,
      "CuO": 2.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 82.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 88.5
      }
    ]
  },
  {
    "id": "8324",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.31,
      "Al2O3": 0.22,
      "B2O3": 12.59,
      "Na2O": 8.97,
      "MgO": 3.98,
      "CaO": 1.14,
      "SrO": 0.07,
      "BaO": 3.54,
      "TiO2": 0.01,
      "FeO": 0.05,
      "Fe2O3": 17.39,
      "ZnO": 2.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "8329",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.42,
      "Al2O3": 9.62,
      "B2O3": 2.69,
      "Na2O": 4.58,
      "K2O": 1.63,
      "MgO": 0.05,
      "CaO": 12.47,
      "TiO2": 0.06,
      "Fe2O3": 0.09,
      "CuO": 2.53,
      "SnO2": 7.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8358",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.56,
      "Al2O3": 14.37,
      "B2O3": 8.9,
      "Na2O": 2.87,
      "K2O": 5.28,
      "MgO": 1.18,
      "CaO": 6.62,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.29,
      "CuO": 1.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "8367",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.06,
      "Al2O3": 10.55,
      "B2O3": 5.78,
      "Na2O": 3.42,
      "K2O": 2.26,
      "MgO": 0.15,
      "CaO": 11.08,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 2.99,
      "ZnO": 5.19,
      "SnO2": 8.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 44.5
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 7.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 9.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.39,
      "Al2O3": 13.82,
      "Na2O": 1.86,
      "K2O": 6.22,
      "MgO": 1.57,
      "CaO": 10.12,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 7.92,
      "Fe2O3": 0.13,
      "ZnO": 4.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 63.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.77,
      "Al2O3": 14.7,
      "B2O3": 7.0,
      "Na2O": 3.6,
      "K2O": 1.64,
      "MgO": 2.46,
      "CaO": 10.38,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.25,
      "CoO": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "8379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.81,
      "Al2O3": 13.47,
      "B2O3": 6.41,
      "Na2O": 3.29,
      "K2O": 1.5,
      "MgO": 2.26,
      "CaO": 9.5,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 9.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.6
      },
      {
        "material": "custer feldspar",
        "amount": 14.3
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 7.1
      },
      {
        "material": "whiting",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.25,
      "Al2O3": 10.51,
      "B2O3": 3.04,
      "Na2O": 2.74,
      "K2O": 4.64,
      "MgO": 1.06,
      "CaO": 10.77,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.09,
      "CuO": 0.97,
      "ZnO": 4.42,
      "SnO2": 2.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.16
      },
      {
        "material": "silica",
        "amount": 16.52
      },
      {
        "material": "whiting",
        "amount": 14.29
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.33
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.42
      },
      {
        "material": "tin oxide",
        "amount": 2.46
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 108.38
      }
    ]
  },
  {
    "id": "8413",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.35,
      "Al2O3": 7.71,
      "B2O3": 8.13,
      "Na2O": 3.25,
      "K2O": 1.1,
      "MgO": 1.23,
      "CaO": 7.48,
      "SrO": 4.16,
      "P2O5": 0.05,
      "TiO2": 7.54,
      "Fe2O3": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8414",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.26,
      "Al2O3": 7.69,
      "B2O3": 8.12,
      "Na2O": 3.25,
      "K2O": 1.1,
      "MgO": 1.22,
      "CaO": 7.47,
      "SrO": 4.15,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 0.41,
      "Fe2O3": 7.58,
      "NiO": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.5
      },
      {
        "material": "black nickel oxide",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "8415",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.72,
      "Al2O3": 7.89,
      "B2O3": 8.32,
      "Na2O": 3.33,
      "K2O": 1.13,
      "MgO": 1.25,
      "CaO": 7.66,
      "SrO": 4.25,
      "P2O5": 0.05,
      "TiO2": 1.97,
      "Fe2O3": 0.41,
      "CoO": 4.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.97,
      "Al2O3": 8.53,
      "B2O3": 6.29,
      "Na2O": 3.23,
      "K2O": 1.2,
      "MgO": 1.01,
      "CaO": 6.39,
      "SrO": 4.69,
      "P2O5": 0.04,
      "TiO2": 4.3,
      "Fe2O3": 0.18,
      "CoO": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 38.9
      },
      {
        "material": "gerstley borate",
        "amount": 22.1
      },
      {
        "material": "nepheline syenite",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.2
      },
      {
        "material": "strontium carbonate",
        "amount": 6.3
      },
      {
        "material": "wollastonite",
        "amount": 2.8
      },
      {
        "material": "dolomite",
        "amount": 0.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 104.25
      }
    ]
  },
  {
    "id": "8417",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.46,
      "Al2O3": 8.2,
      "B2O3": 6.04,
      "Na2O": 3.11,
      "K2O": 1.15,
      "MgO": 0.98,
      "CaO": 6.14,
      "SrO": 4.51,
      "P2O5": 0.04,
      "TiO2": 8.21,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 38.9
      },
      {
        "material": "gerstley borate",
        "amount": 22.1
      },
      {
        "material": "nepheline syenite",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.2
      },
      {
        "material": "strontium carbonate",
        "amount": 6.3
      },
      {
        "material": "wollastonite",
        "amount": 2.8
      },
      {
        "material": "dolomite",
        "amount": 0.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8418",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.22,
      "Al2O3": 7.33,
      "B2O3": 6.61,
      "Na2O": 2.23,
      "K2O": 4.15,
      "MgO": 1.87,
      "CaO": 13.2,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "8419",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.31,
      "Al2O3": 9.09,
      "B2O3": 6.36,
      "Na2O": 2.73,
      "K2O": 0.97,
      "MgO": 0.86,
      "CaO": 17.42,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.28,
      "Fe2O3": 0.21,
      "SnO2": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 105.25
      }
    ]
  },
  {
    "id": "8421",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.86,
      "Al2O3": 7.77,
      "B2O3": 8.2,
      "Na2O": 3.28,
      "K2O": 1.11,
      "MgO": 1.24,
      "CaO": 7.55,
      "SrO": 4.19,
      "P2O5": 0.05,
      "TiO2": 1.94,
      "Fe2O3": 0.4,
      "CuO": 5.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "8422",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.82,
      "Al2O3": 8.16,
      "B2O3": 8.61,
      "Na2O": 3.45,
      "K2O": 1.17,
      "MgO": 1.3,
      "CaO": 7.93,
      "SrO": 4.4,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.21,
      "CuO": 2.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "8423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.03,
      "Al2O3": 13.61,
      "B2O3": 1.43,
      "Na2O": 3.04,
      "K2O": 1.57,
      "MgO": 6.02,
      "CaO": 9.61,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.18,
      "ZnO": 6.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.01,
      "Al2O3": 11.16,
      "B2O3": 2.94,
      "Li2O": 0.24,
      "Na2O": 2.7,
      "K2O": 1.54,
      "MgO": 5.88,
      "CaO": 4.9,
      "P2O5": 0.01,
      "TiO2": 0.2,
      "Fe2O3": 7.87,
      "CuO": 2.57,
      "ZnO": 4.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8519",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.82,
      "Al2O3": 7.93,
      "B2O3": 4.79,
      "Na2O": 2.2,
      "K2O": 0.69,
      "MgO": 0.78,
      "CaO": 15.03,
      "SrO": 0.09,
      "Cr2O3": 0.16,
      "Fe2O3": 0.01,
      "SnO2": 5.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.4
      },
      {
        "material": "gillespie borate",
        "amount": 17.8
      },
      {
        "material": "whiting",
        "amount": 16.9
      },
      {
        "material": "nepheline syenite",
        "amount": 13.6
      },
      {
        "material": "kaolin",
        "amount": 9.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "8590",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.88,
      "Al2O3": 10.12,
      "Na2O": 1.35,
      "K2O": 4.45,
      "MgO": 0.03,
      "CaO": 12.37,
      "TiO2": 0.11,
      "Cr2O3": 2.18,
      "Fe2O3": 0.15,
      "CuO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "8644",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.1,
      "Al2O3": 24.33,
      "Li2O": 1.09,
      "Na2O": 8.0,
      "K2O": 3.3,
      "MgO": 0.11,
      "CaO": 0.68,
      "TiO2": 0.16,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.3
      },
      {
        "material": "ball clay",
        "amount": 15.79
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 14.69
      },
      {
        "material": "spodumene",
        "amount": 12.98
      },
      {
        "material": "soda ash",
        "amount": 3.3
      },
      {
        "material": "kaolin",
        "amount": 2.92
      },
      {
        "material": "total",
        "amount": 99.98
      }
    ]
  },
  {
    "id": "8648",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.11,
      "Al2O3": 20.74,
      "Na2O": 1.76,
      "K2O": 5.91,
      "MgO": 3.09,
      "CaO": 14.92,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.54
      },
      {
        "material": "ep kaolin",
        "amount": 24.27
      },
      {
        "material": "whiting",
        "amount": 15.53
      },
      {
        "material": "dolomite",
        "amount": 11.65
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "8664",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.24,
      "Al2O3": 4.04,
      "B2O3": 0.74,
      "Li2O": 2.14,
      "Na2O": 5.41,
      "K2O": 1.2,
      "MgO": 2.15,
      "CaO": 14.47,
      "P2O5": 4.03,
      "Fe2O3": 17.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.2
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "nepheline syenite",
        "amount": 12.3
      },
      {
        "material": "dolomite",
        "amount": 10.4
      },
      {
        "material": "bone ash",
        "amount": 10.3
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "8670",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.66,
      "Al2O3": 17.25,
      "Li2O": 3.72,
      "Na2O": 5.25,
      "K2O": 2.74,
      "MgO": 0.05,
      "CaO": 6.77,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 3.07,
      "Fe2O3": 0.13,
      "SnO2": 7.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.0
      },
      {
        "material": "minspar 200",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
  {
    "id": "8671",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.01,
      "Al2O3": 11.88,
      "Na2O": 1.36,
      "K2O": 4.07,
      "CaO": 12.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspath custer (orthose)",
        "amount": 40.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "temps de maintien",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "8677",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.67,
      "Al2O3": 15.18,
      "Na2O": 1.66,
      "K2O": 5.35,
      "MgO": 0.06,
      "CaO": 11.23,
      "P2O5": 0.04,
      "TiO2": 5.65,
      "Fe2O3": 0.86,
      "ZnO": 9.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8712",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.73,
      "Al2O3": 9.92,
      "Na2O": 1.4,
      "K2O": 4.68,
      "MgO": 1.7,
      "CaO": 9.1,
      "P2O5": 3.97,
      "TiO2": 0.02,
      "Fe2O3": 11.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.02
      },
      {
        "material": "silica",
        "amount": 21.42
      },
      {
        "material": "bone ash",
        "amount": 10.01
      },
      {
        "material": "whiting",
        "amount": 7.15
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "talc",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.85
      },
      {
        "material": "total",
        "amount": 112.85
      }
    ]
  },
  {
    "id": "8713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.79,
      "Al2O3": 17.52,
      "Na2O": 1.88,
      "K2O": 2.5,
      "MgO": 6.15,
      "CaO": 10.7,
      "P2O5": 1.53,
      "TiO2": 5.05,
      "Fe2O3": 2.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 52.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.5
      },
      {
        "material": "dolomite",
        "amount": 11.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "whiting",
        "amount": 6.3
      },
      {
        "material": "bone ash",
        "amount": 3.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "8714",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.81,
      "Al2O3": 10.19,
      "Na2O": 3.13,
      "K2O": 0.98,
      "MgO": 7.68,
      "CaO": 6.24,
      "TiO2": 0.15,
      "Cr2O3": 1.02,
      "MnO2": 1.78,
      "Fe2O3": 3.07,
      "CoO": 1.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "8724",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.6,
      "Al2O3": 7.82,
      "Na2O": 0.92,
      "K2O": 3.07,
      "MgO": 0.01,
      "CaO": 14.89,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 11.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8755",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.1,
      "Al2O3": 7.22,
      "B2O3": 6.12,
      "Na2O": 3.15,
      "K2O": 0.61,
      "MgO": 0.04,
      "CaO": 17.98,
      "BaO": 0.0,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "ZrO2": 0.01,
      "Cr2O3": 0.21,
      "MnO": 0.01,
      "Fe2O3": 0.15,
      "SnO2": 6.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 25.5
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "8790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.3,
      "Al2O3": 20.67,
      "B2O3": 9.39,
      "Na2O": 3.67,
      "K2O": 1.25,
      "MgO": 0.67,
      "CaO": 13.77,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "CuO": 0.95,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "frit fa 857 (crecer/2012)",
        "amount": 30.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "8791",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.12,
      "Al2O3": 7.35,
      "B2O3": 6.34,
      "Na2O": 4.7,
      "K2O": 0.9,
      "MgO": 0.15,
      "CaO": 6.9,
      "SrO": 3.81,
      "P2O5": 0.02,
      "TiO2": 6.89,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8792",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.11,
      "Al2O3": 7.35,
      "B2O3": 6.34,
      "Na2O": 4.7,
      "K2O": 0.9,
      "MgO": 0.15,
      "CaO": 6.9,
      "SrO": 3.81,
      "P2O5": 0.02,
      "TiO2": 7.65,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "8793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.24,
      "Al2O3": 7.96,
      "B2O3": 6.87,
      "Na2O": 5.08,
      "K2O": 0.97,
      "MgO": 0.16,
      "CaO": 7.47,
      "SrO": 4.13,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8794",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.37,
      "Al2O3": 3.23,
      "B2O3": 2.06,
      "Li2O": 3.92,
      "Na2O": 11.92,
      "K2O": 1.86,
      "MgO": 0.04,
      "CaO": 4.92,
      "Fe2O3": 16.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 89.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "8795",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.42,
      "Al2O3": 2.18,
      "B2O3": 1.31,
      "Li2O": 2.44,
      "Na2O": 7.63,
      "K2O": 1.19,
      "MgO": 0.03,
      "CaO": 3.14,
      "Fe2O3": 16.35,
      "ZnO": 4.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 58.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "8796",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.93,
      "Al2O3": 2.28,
      "B2O3": 1.38,
      "Li2O": 2.44,
      "Na2O": 8.02,
      "K2O": 1.25,
      "MgO": 0.03,
      "CaO": 3.31,
      "Fe2O3": 16.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 61.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "8799",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.99,
      "Al2O3": 9.97,
      "B2O3": 2.96,
      "Na2O": 3.74,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 25.22,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "carb de calcio",
        "amount": 34.0
      },
      {
        "material": "cuarzo",
        "amount": 26.0
      },
      {
        "material": "feld sódico",
        "amount": 17.0
      },
      {
        "material": "caolín",
        "amount": 12.0
      },
      {
        "material": "frita 174 (3134)",
        "amount": 11.0
      }
    ]
  },
  {
    "id": "8800",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.28,
      "Al2O3": 9.33,
      "B2O3": 2.77,
      "Na2O": 3.5,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 23.6,
      "TiO2": 3.37,
      "Fe2O3": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "8801",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.98,
      "Al2O3": 9.45,
      "B2O3": 2.81,
      "Na2O": 3.54,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 23.91,
      "TiO2": 2.81,
      "Fe2O3": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.3
      },
      {
        "material": "red iron oxide",
        "amount": 2.3
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "8802",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.82,
      "Al2O3": 9.08,
      "B2O3": 2.7,
      "Na2O": 3.41,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 22.97,
      "TiO2": 4.91,
      "Fe2O3": 4.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "8803",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.26,
      "Al2O3": 10.83,
      "B2O3": 2.05,
      "Na2O": 3.39,
      "K2O": 0.19,
      "MgO": 5.27,
      "CaO": 9.3,
      "P2O5": 3.6,
      "TiO2": 2.08,
      "Fe2O3": 10.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 30.21
      },
      {
        "material": "soda feldspar",
        "amount": 21.38
      },
      {
        "material": "silica",
        "amount": 10.42
      },
      {
        "material": "dolomite",
        "amount": 10.09
      },
      {
        "material": "talc",
        "amount": 10.09
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "8804",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.64,
      "Al2O3": 12.59,
      "B2O3": 2.4,
      "Na2O": 3.99,
      "K2O": 0.6,
      "MgO": 6.1,
      "CaO": 10.5,
      "BaO": 0.0,
      "P2O5": 4.22,
      "TiO2": 1.78,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 11.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 25.2
      },
      {
        "material": "dolomite",
        "amount": 11.9
      },
      {
        "material": "talc",
        "amount": 11.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "8841",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.01,
      "Al2O3": 15.75,
      "Na2O": 0.01,
      "K2O": 8.04,
      "MgO": 0.02,
      "CaO": 9.65,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 13.79,
      "NiO": 0.96,
      "ZnO": 7.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 49.2
      },
      {
        "material": "ep kaolin",
        "amount": 19.9
      },
      {
        "material": "whiting",
        "amount": 17.9
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 15.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "8852",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.34,
      "Al2O3": 13.41,
      "B2O3": 2.38,
      "Na2O": 3.33,
      "K2O": 1.12,
      "MgO": 2.95,
      "CaO": 11.85,
      "P2O5": 4.16,
      "TiO2": 1.82,
      "Fe2O3": 9.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 23.1
      },
      {
        "material": "silica",
        "amount": 21.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.8
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "8892",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.73,
      "Al2O3": 25.95,
      "Li2O": 2.54,
      "Na2O": 8.47,
      "K2O": 2.16,
      "MgO": 0.16,
      "CaO": 0.38,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.04
      },
      {
        "material": "soda ash",
        "amount": 7.96
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.04
      },
      {
        "material": "total",
        "amount": 102.04
      }
    ]
  },
  {
    "id": "8893",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.29,
      "Al2O3": 18.48,
      "Na2O": 2.07,
      "K2O": 6.91,
      "MgO": 0.02,
      "CaO": 12.03,
      "P2O5": 0.05,
      "TiO2": 3.95,
      "Fe2O3": 0.63,
      "CoO": 0.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.61
      },
      {
        "material": "whiting",
        "amount": 18.59
      },
      {
        "material": "ep kaolin",
        "amount": 16.18
      },
      {
        "material": "rutile",
        "amount": 3.81
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.81
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8894",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.33,
      "Al2O3": 11.52,
      "Na2O": 1.44,
      "K2O": 4.8,
      "MgO": 5.53,
      "CaO": 10.9,
      "P2O5": 0.01,
      "TiO2": 0.64,
      "FeO": 0.48,
      "Fe2O3": 0.16,
      "CuO": 1.18,
      "ZnO": 2.01,
      "SnO2": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.22
      },
      {
        "material": "dolomite",
        "amount": 21.97
      },
      {
        "material": "silica",
        "amount": 17.59
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.02
      },
      {
        "material": "whiting",
        "amount": 4.81
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.63
      },
      {
        "material": "zinc oxide",
        "amount": 1.76
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.6
      },
      {
        "material": "granular ilmenite",
        "amount": 0.88
      },
      {
        "material": "total",
        "amount": 102.48
      }
    ]
  },
  {
    "id": "8898",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.23,
      "Al2O3": 12.9,
      "Na2O": 1.07,
      "K2O": 3.47,
      "MgO": 1.26,
      "CaO": 10.61,
      "P2O5": 0.03,
      "TiO2": 0.14,
      "Fe2O3": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.45
      },
      {
        "material": "silica",
        "amount": 30.36
      },
      {
        "material": "whiting",
        "amount": 17.01
      },
      {
        "material": "ep kaolin",
        "amount": 11.98
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.88
      },
      {
        "material": "talc",
        "amount": 3.33
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "epsom salts",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 102.16
      }
    ]
  },
  {
    "id": "8899",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.17,
      "Al2O3": 9.39,
      "B2O3": 3.63,
      "Na2O": 1.91,
      "K2O": 4.63,
      "MgO": 6.94,
      "CaO": 5.07,
      "P2O5": 0.01,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.25
      },
      {
        "material": "silica",
        "amount": 20.61
      },
      {
        "material": "talc",
        "amount": 13.75
      },
      {
        "material": "gerstley borate",
        "amount": 12.37
      },
      {
        "material": "dolomite",
        "amount": 6.87
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.15
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "8908",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.67,
      "Al2O3": 12.99,
      "B2O3": 3.12,
      "Na2O": 7.06,
      "K2O": 1.02,
      "MgO": 3.52,
      "CaO": 6.51,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.3,
      "Al2O3": 12.27,
      "B2O3": 0.11,
      "Na2O": 1.87,
      "K2O": 3.94,
      "MgO": 0.08,
      "CaO": 12.17,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 4.92,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "stain",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9006",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.3,
      "Al2O3": 12.27,
      "B2O3": 0.11,
      "Na2O": 1.87,
      "K2O": 3.94,
      "MgO": 0.08,
      "CaO": 12.17,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 4.92,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "stain",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.3,
      "Al2O3": 12.27,
      "B2O3": 0.11,
      "Na2O": 1.87,
      "K2O": 3.94,
      "MgO": 0.08,
      "CaO": 12.17,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 4.92,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "stain",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9035",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.3,
      "Al2O3": 12.27,
      "B2O3": 0.11,
      "Na2O": 1.87,
      "K2O": 3.94,
      "MgO": 0.08,
      "CaO": 12.17,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 4.92,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "stain",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "9049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.01,
      "Al2O3": 11.88,
      "Na2O": 1.36,
      "K2O": 4.07,
      "CaO": 12.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspath custer (orthose)",
        "amount": 40.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.82,
      "Al2O3": 12.71,
      "Na2O": 1.51,
      "K2O": 5.04,
      "CaO": 12.71,
      "Cr2O3": 0.56,
      "Fe2O3": 0.05,
      "SnO2": 5.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 20.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "9051",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.66,
      "Al2O3": 17.25,
      "Li2O": 3.72,
      "Na2O": 5.25,
      "K2O": 2.74,
      "MgO": 0.05,
      "CaO": 6.77,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 3.07,
      "Fe2O3": 0.13,
      "SnO2": 7.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.0
      },
      {
        "material": "minspar 200",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
  {
    "id": "9052",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.49,
      "Al2O3": 10.8,
      "Na2O": 1.23,
      "K2O": 4.12,
      "CaO": 11.67,
      "Cr2O3": 0.41,
      "Fe2O3": 0.04,
      "SnO2": 8.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "9053",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.49,
      "Al2O3": 10.8,
      "Na2O": 1.23,
      "K2O": 4.12,
      "CaO": 11.67,
      "Cr2O3": 0.41,
      "Fe2O3": 0.04,
      "SnO2": 8.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "9054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.49,
      "Al2O3": 11.07,
      "Na2O": 1.51,
      "K2O": 5.05,
      "MgO": 5.41,
      "CaO": 7.67,
      "ZrO2": 8.3,
      "Fe2O3": 0.05,
      "CuO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 16.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "9055",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.52,
      "Al2O3": 10.64,
      "Na2O": 1.52,
      "K2O": 5.06,
      "MgO": 5.55,
      "CaO": 7.87,
      "ZrO2": 8.14,
      "MnO2": 1.91,
      "Fe2O3": 1.1,
      "CoO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 15.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "9056",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.37,
      "Al2O3": 15.89,
      "Na2O": 1.12,
      "K2O": 3.76,
      "MgO": 3.05,
      "CaO": 10.25,
      "TiO2": 5.67,
      "Fe2O3": 0.76,
      "SnO2": 5.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "kaolin (epk)",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.0
      },
      {
        "material": "quartz / silice 325m",
        "amount": 10.0
      },
      {
        "material": "bell dark ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "9067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.43,
      "Al2O3": 30.12,
      "Na2O": 0.16,
      "K2O": 2.12,
      "MgO": 0.31,
      "CaO": 0.25,
      "TiO2": 1.06,
      "Fe2O3": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9083",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.7,
      "Al2O3": 11.34,
      "B2O3": 4.59,
      "Na2O": 2.66,
      "K2O": 2.08,
      "MgO": 0.02,
      "CaO": 13.74,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 2.09,
      "CuO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "9087",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.4,
      "Al2O3": 15.09,
      "B2O3": 2.9,
      "Li2O": 0.37,
      "Na2O": 6.49,
      "K2O": 2.52,
      "MgO": 0.09,
      "CaO": 2.88,
      "SrO": 16.6,
      "TiO2": 3.75,
      "Fe2O3": 0.15,
      "CuO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.0
      },
      {
        "material": "strontium carbonate",
        "amount": 26.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 117.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "9118",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.5,
      "Al2O3": 1.85,
      "B2O3": 1.32,
      "Li2O": 0.8,
      "Na2O": 7.61,
      "K2O": 1.18,
      "MgO": 0.94,
      "CaO": 3.14,
      "SrO": 3.43,
      "TiO2": 3.91,
      "MnO2": 1.87,
      "ZnO": 24.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 51.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "9121",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.31,
      "Al2O3": 12.48,
      "Na2O": 1.33,
      "K2O": 4.45,
      "MgO": 2.25,
      "CaO": 10.39,
      "SrO": 10.37,
      "TiO2": 0.22,
      "Fe2O3": 0.25,
      "CoO": 0.29,
      "CuO": 3.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "strontium carbonate",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 11.25
      },
      {
        "material": "dolomite",
        "amount": 8.75
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 105.4
      }
    ]
  },
  {
    "id": "9122",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.33,
      "Al2O3": 29.59,
      "Na2O": 5.95,
      "K2O": 3.51,
      "MgO": 0.27,
      "CaO": 0.48,
      "TiO2": 0.15,
      "Fe2O3": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 37.0
      },
      {
        "material": "newman red clay",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9153",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 9.48,
      "Al2O3": 0.64,
      "B2O3": 40.56,
      "Na2O": 12.98,
      "K2O": 0.26,
      "MgO": 2.24,
      "CaO": 12.42,
      "P2O5": 0.06,
      "TiO2": 11.59,
      "Fe2O3": 1.52,
      "CuO": 8.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "borax",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "9165",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.83,
      "Al2O3": 13.72,
      "B2O3": 4.94,
      "Li2O": 0.87,
      "Na2O": 2.51,
      "K2O": 0.67,
      "MgO": 5.91,
      "CaO": 12.15,
      "P2O5": 0.03,
      "TiO2": 0.17,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "9191",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.55,
      "Al2O3": 10.28,
      "Na2O": 2.1,
      "K2O": 1.88,
      "MgO": 7.89,
      "CaO": 6.72,
      "TiO2": 4.89,
      "Fe2O3": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "9199",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.85,
      "Al2O3": 12.27,
      "B2O3": 4.35,
      "Na2O": 2.52,
      "K2O": 1.97,
      "MgO": 0.02,
      "CaO": 13.04,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "9209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 19.75,
      "Na2O": 2.11,
      "K2O": 2.82,
      "MgO": 6.94,
      "CaO": 7.75,
      "P2O5": 1.72,
      "TiO2": 0.19,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 52.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.5
      },
      {
        "material": "dolomite",
        "amount": 11.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "bone ash",
        "amount": 3.2
      },
      {
        "material": "total base recipe",
        "amount": 93.7
      },
      {
        "material": "stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 98.7
      }
    ]
  },
  {
    "id": "9212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.56,
      "Al2O3": 11.86,
      "B2O3": 4.62,
      "Na2O": 3.4,
      "K2O": 0.94,
      "MgO": 3.61,
      "CaO": 9.27,
      "P2O5": 0.05,
      "TiO2": 1.91,
      "MnO": 0.01,
      "Fe2O3": 0.45,
      "CuO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.5
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "9228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.32,
      "Al2O3": 11.02,
      "B2O3": 4.39,
      "Na2O": 2.91,
      "K2O": 1.41,
      "MgO": 3.59,
      "CaO": 8.61,
      "P2O5": 0.08,
      "TiO2": 5.29,
      "MnO": 0.01,
      "Fe2O3": 1.75,
      "CoO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 15.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.0,
      "Al2O3": 8.75,
      "B2O3": 3.09,
      "Na2O": 1.33,
      "K2O": 3.09,
      "MgO": 6.72,
      "CaO": 5.22,
      "P2O5": 0.02,
      "TiO2": 4.18,
      "Fe2O3": 0.55,
      "Cu2O": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.2
      },
      {
        "material": "custer feldspar",
        "amount": 28.4
      },
      {
        "material": "talc",
        "amount": 13.2
      },
      {
        "material": "laguna borate",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 9.6
      },
      {
        "material": "ep kaolin",
        "amount": 7.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "red copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "9249",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.89,
      "Al2O3": 14.54,
      "Na2O": 6.12,
      "K2O": 2.87,
      "MgO": 24.47,
      "CaO": 0.44,
      "TiO2": 3.06,
      "Fe2O3": 0.4,
      "CuO": 10.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 45.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "9269",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.8,
      "Al2O3": 10.82,
      "B2O3": 4.38,
      "Na2O": 2.54,
      "K2O": 1.99,
      "MgO": 0.02,
      "CaO": 13.11,
      "P2O5": 0.05,
      "TiO2": 4.87,
      "Fe2O3": 1.53,
      "CoO": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "9297",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.78,
      "Al2O3": 10.63,
      "B2O3": 4.3,
      "Na2O": 2.49,
      "K2O": 1.95,
      "MgO": 0.02,
      "CaO": 12.88,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 8.23,
      "CoO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.39,
      "Al2O3": 10.55,
      "B2O3": 4.27,
      "Na2O": 2.47,
      "K2O": 1.94,
      "MgO": 0.02,
      "CaO": 12.78,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 6.29,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9324",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.2,
      "Al2O3": 13.61,
      "Na2O": 1.53,
      "K2O": 5.11,
      "MgO": 0.01,
      "CaO": 13.82,
      "P2O5": 0.03,
      "TiO2": 11.54,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.73
      },
      {
        "material": "whiting",
        "amount": 23.91
      },
      {
        "material": "ep kaolin",
        "amount": 13.18
      },
      {
        "material": "silica",
        "amount": 13.18
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.29
      },
      {
        "material": "silicon carbide",
        "amount": 0.34
      },
      {
        "material": "total",
        "amount": 111.63
      }
    ]
  },
  {
    "id": "9326",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.02,
      "Al2O3": 5.01,
      "B2O3": 19.9,
      "Na2O": 8.86,
      "K2O": 0.03,
      "MgO": 0.01,
      "CaO": 17.05,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 100.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "9328",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.17,
      "Al2O3": 24.79,
      "Li2O": 2.1,
      "Na2O": 7.42,
      "K2O": 2.73,
      "MgO": 0.09,
      "CaO": 0.5,
      "P2O5": 0.02,
      "TiO2": 0.12,
      "Fe2O3": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "spodumene",
        "amount": 26.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.4
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 6.2
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.6
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.6
      }
    ]
  },
  {
    "id": "9339",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.66,
      "Al2O3": 9.86,
      "B2O3": 4.58,
      "Na2O": 3.33,
      "K2O": 1.26,
      "MgO": 0.76,
      "CaO": 7.94,
      "SrO": 9.46,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.5,
      "Al2O3": 9.37,
      "B2O3": 4.35,
      "Na2O": 3.16,
      "K2O": 1.2,
      "MgO": 0.73,
      "CaO": 7.54,
      "SrO": 8.98,
      "P2O5": 0.02,
      "TiO2": 2.65,
      "Fe2O3": 0.38,
      "CoO": 0.11,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.98
      },
      {
        "material": "rutile",
        "amount": 2.75
      },
      {
        "material": "cobalt oxide",
        "amount": 0.11
      },
      {
        "material": "total",
        "amount": 105.84
      }
    ]
  },
  {
    "id": "9343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.22,
      "Al2O3": 9.17,
      "B2O3": 4.25,
      "Na2O": 3.09,
      "K2O": 1.17,
      "MgO": 0.71,
      "CaO": 7.38,
      "SrO": 8.79,
      "P2O5": 0.02,
      "TiO2": 4.17,
      "Fe2O3": 3.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "9344",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.7,
      "Al2O3": 9.4,
      "B2O3": 4.36,
      "Na2O": 3.17,
      "K2O": 1.2,
      "MgO": 0.73,
      "CaO": 7.56,
      "SrO": 9.01,
      "P2O5": 0.02,
      "TiO2": 3.85,
      "Fe2O3": 0.51,
      "CoO": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "9345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.83,
      "Al2O3": 9.0,
      "B2O3": 3.99,
      "Li2O": 1.98,
      "Na2O": 2.96,
      "K2O": 1.12,
      "MgO": 0.71,
      "CaO": 6.95,
      "SrO": 8.25,
      "P2O5": 0.02,
      "TiO2": 2.94,
      "Fe2O3": 0.15,
      "CuO": 1.25,
      "ZnO": 4.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "9346",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.66,
      "Al2O3": 9.86,
      "B2O3": 4.58,
      "Na2O": 3.33,
      "K2O": 1.26,
      "MgO": 0.76,
      "CaO": 7.94,
      "SrO": 9.46,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "9399",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.59,
      "Al2O3": 10.43,
      "B2O3": 5.61,
      "Na2O": 3.19,
      "K2O": 2.16,
      "MgO": 1.56,
      "CaO": 7.04,
      "P2O5": 0.04,
      "TiO2": 5.17,
      "Fe2O3": 0.77,
      "CuO": 2.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "9415",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.52,
      "Al2O3": 13.7,
      "B2O3": 4.21,
      "Na2O": 1.12,
      "K2O": 1.3,
      "MgO": 0.75,
      "CaO": 14.47,
      "SrO": 0.08,
      "TiO2": 5.88,
      "Fe2O3": 0.9,
      "CoO": 1.0,
      "CuO": 2.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "devon china clay",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.0
      },
      {
        "material": "cornwall stone",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9435",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.15,
      "Al2O3": 12.57,
      "Na2O": 1.92,
      "K2O": 6.38,
      "MgO": 0.03,
      "CaO": 10.6,
      "TiO2": 0.08,
      "Fe2O3": 0.14,
      "CuO": 0.7,
      "ZnO": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "9448",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 9.62,
      "B2O3": 4.47,
      "Na2O": 3.25,
      "K2O": 1.23,
      "MgO": 0.75,
      "CaO": 7.74,
      "SrO": 9.23,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.09,
      "CuO": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "9455",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.7,
      "Al2O3": 11.03,
      "B2O3": 10.77,
      "Li2O": 10.24,
      "Na2O": 3.63,
      "K2O": 1.11,
      "MgO": 1.45,
      "CaO": 7.95,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "ZrO2": 13.12,
      "Fe2O3": 0.22,
      "CuO": 1.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 33.02
      },
      {
        "material": "lithium carbonate",
        "amount": 17.32
      },
      {
        "material": "spodumene",
        "amount": 16.98
      },
      {
        "material": "nepheline syenite",
        "amount": 16.64
      },
      {
        "material": "zircopax",
        "amount": 16.04
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.19
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.19
      }
    ]
  },
  {
    "id": "9456",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.83,
      "Al2O3": 10.19,
      "B2O3": 4.49,
      "Na2O": 2.55,
      "K2O": 1.19,
      "MgO": 0.4,
      "CaO": 15.0,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.02,
      "MnO": 0.02,
      "Fe2O3": 0.23,
      "SnO2": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "custer - new",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 105.02
      }
    ]
  },
  {
    "id": "9468",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.54,
      "Al2O3": 14.44,
      "B2O3": 4.25,
      "Na2O": 0.69,
      "K2O": 0.91,
      "MgO": 0.75,
      "CaO": 14.36,
      "SrO": 0.08,
      "TiO2": 5.93,
      "Fe2O3": 0.95,
      "CoO": 1.01,
      "CuO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "devon china clay",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9469",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.53,
      "Al2O3": 14.07,
      "B2O3": 4.23,
      "Na2O": 0.91,
      "K2O": 1.11,
      "MgO": 0.75,
      "CaO": 14.41,
      "SrO": 0.08,
      "TiO2": 5.9,
      "Fe2O3": 0.93,
      "CoO": 1.01,
      "CuO": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "devon china clay",
        "amount": 31.5
      },
      {
        "material": "silica",
        "amount": 29.25
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.0
      },
      {
        "material": "cornwall stone",
        "amount": 6.25
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9472",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.92,
      "Al2O3": 12.07,
      "B2O3": 4.54,
      "Na2O": 3.44,
      "K2O": 1.62,
      "MgO": 5.91,
      "CaO": 9.4,
      "SrO": 0.08,
      "TiO2": 0.03,
      "ZrO2": 9.84,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.5
      },
      {
        "material": "gillespie borate",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 16.5
      },
      {
        "material": "devon china clay",
        "amount": 14.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "9490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.1,
      "Al2O3": 10.47,
      "Na2O": 4.97,
      "K2O": 1.79,
      "CaO": 8.75,
      "P2O5": 0.41,
      "TiO2": 0.66,
      "Fe2O3": 12.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p19 diaspro verde",
        "amount": 44.34
      },
      {
        "material": "p47 ocra podere morticini",
        "amount": 28.25
      },
      {
        "material": "p50 mixed wood ash",
        "amount": 16.14
      },
      {
        "material": "soda ash",
        "amount": 7.27
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9491",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.3,
      "Al2O3": 13.74,
      "Na2O": 2.56,
      "K2O": 3.08,
      "MgO": 3.49,
      "CaO": 7.67,
      "P2O5": 0.12,
      "TiO2": 0.22,
      "Fe2O3": 5.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p7 leucite",
        "amount": 41.0
      },
      {
        "material": "p19 diaspro verde",
        "amount": 32.0
      },
      {
        "material": "dolomite",
        "amount": 11.54
      },
      {
        "material": "p47 ocra podere morticini",
        "amount": 10.26
      },
      {
        "material": "p50 mixed wood ash",
        "amount": 5.13
      },
      {
        "material": "total",
        "amount": 99.93
      }
    ]
  },
  {
    "id": "9493",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.22,
      "Al2O3": 10.41,
      "Na2O": 0.97,
      "K2O": 2.91,
      "CaO": 18.81,
      "P2O5": 0.97,
      "TiO2": 1.23,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p50 mixed wood ash",
        "amount": 38.0
      },
      {
        "material": "p42 kaolin san rocco",
        "amount": 33.0
      },
      {
        "material": "p45 - silica podere morticini",
        "amount": 29.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9496",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.18,
      "Al2O3": 11.44,
      "K2O": 0.68,
      "CaO": 21.92,
      "TiO2": 0.03,
      "Fe2O3": 0.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p42 kaolin san rocco",
        "amount": 38.78
      },
      {
        "material": "p19 diaspro verde",
        "amount": 20.41
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "9518",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.88,
      "Al2O3": 7.66,
      "B2O3": 4.03,
      "Na2O": 6.04,
      "K2O": 0.02,
      "MgO": 1.41,
      "CaO": 11.22,
      "Fe2O3": 0.57,
      "ZnO": 3.12,
      "SnO2": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.6
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.1
      }
    ]
  },
  {
    "id": "9584",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.22,
      "Al2O3": 20.14,
      "B2O3": 4.67,
      "Na2O": 2.39,
      "K2O": 2.52,
      "MgO": 3.78,
      "CaO": 12.36,
      "TiO2": 5.02,
      "MnO2": 3.56,
      "FeO": 0.15,
      "Fe2O3": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "alumina",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "granular ilmenite",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "9621",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.06,
      "Al2O3": 11.64,
      "Na2O": 0.02,
      "K2O": 0.11,
      "MgO": 9.59,
      "CaO": 22.37,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.24,
      "CoO": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "9622",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.45,
      "Al2O3": 19.89,
      "Na2O": 4.66,
      "K2O": 2.26,
      "MgO": 7.86,
      "CaO": 11.21,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.23,
      "CuO": 2.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "9639",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.6,
      "Al2O3": 11.67,
      "B2O3": 7.04,
      "Na2O": 2.95,
      "K2O": 0.54,
      "MgO": 2.04,
      "CaO": 12.22,
      "P2O5": 0.0,
      "TiO2": 0.13,
      "ZrO2": 6.54,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.11
      },
      {
        "material": "grolleg kaolin",
        "amount": 21.57
      },
      {
        "material": "silica",
        "amount": 13.24
      },
      {
        "material": "wollastonite",
        "amount": 12.31
      },
      {
        "material": "tennessee #5 ball",
        "amount": 9.26
      },
      {
        "material": "zircopax",
        "amount": 9.26
      },
      {
        "material": "talc",
        "amount": 5.46
      },
      {
        "material": "gerstley borate",
        "amount": 2.78
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "9642",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.3,
      "Al2O3": 8.84,
      "B2O3": 2.78,
      "Na2O": 2.53,
      "K2O": 0.84,
      "MgO": 0.05,
      "CaO": 23.99,
      "P2O5": 0.03,
      "TiO2": 3.43,
      "Fe2O3": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9649",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.15,
      "Al2O3": 10.35,
      "Na2O": 1.55,
      "K2O": 7.23,
      "MgO": 1.32,
      "CaO": 10.94,
      "P2O5": 1.32,
      "TiO2": 0.12,
      "MnO": 0.21,
      "Fe2O3": 8.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "hardwood ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9693",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.81,
      "Al2O3": 11.64,
      "B2O3": 4.75,
      "Na2O": 2.48,
      "K2O": 2.99,
      "MgO": 1.82,
      "CaO": 16.1,
      "TiO2": 0.29,
      "Cr2O3": 0.52,
      "Fe2O3": 0.8,
      "SnO2": 7.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "9696",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.61,
      "Al2O3": 6.2,
      "B2O3": 8.33,
      "Na2O": 2.61,
      "K2O": 1.57,
      "MgO": 5.67,
      "CaO": 7.81,
      "TiO2": 0.15,
      "Fe2O3": 16.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 34.9
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.1
      },
      {
        "material": "talc",
        "amount": 13.5
      },
      {
        "material": "silica",
        "amount": 12.3
      },
      {
        "material": "ulexite",
        "amount": 10.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9697",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.02,
      "Al2O3": 15.95,
      "Na2O": 2.65,
      "K2O": 4.64,
      "MgO": 6.03,
      "CaO": 11.83,
      "P2O5": 0.04,
      "TiO2": 10.59,
      "Fe2O3": 0.16,
      "NiO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.0
      },
      {
        "material": "dolomite",
        "amount": 26.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "9704",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.97,
      "Al2O3": 11.21,
      "Na2O": 1.67,
      "K2O": 7.83,
      "MgO": 1.43,
      "CaO": 11.85,
      "P2O5": 1.43,
      "TiO2": 0.13,
      "MnO": 0.23,
      "Fe2O3": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "hardwood ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "9709",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.75,
      "Al2O3": 12.1,
      "B2O3": 4.67,
      "Na2O": 5.15,
      "K2O": 1.43,
      "MgO": 0.07,
      "CaO": 9.98,
      "Fe2O3": 0.83,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "silicon carbide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 104.35
      }
    ]
  },
  {
    "id": "9723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.38,
      "Al2O3": 8.76,
      "B2O3": 2.77,
      "Na2O": 2.52,
      "K2O": 1.03,
      "MgO": 0.08,
      "CaO": 23.9,
      "TiO2": 3.37,
      "Fe2O3": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 47.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "9747",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.77,
      "Al2O3": 17.58,
      "B2O3": 3.01,
      "Li2O": 0.89,
      "Na2O": 3.52,
      "K2O": 1.2,
      "MgO": 0.04,
      "CaO": 3.25,
      "SrO": 18.41,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CuO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "9773",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.46,
      "Al2O3": 18.06,
      "B2O3": 4.47,
      "Na2O": 2.11,
      "K2O": 0.43,
      "MgO": 3.62,
      "CaO": 9.62,
      "P2O5": 0.08,
      "TiO2": 4.62,
      "Fe2O3": 0.84,
      "CoO": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "9792",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.26,
      "Al2O3": 7.05,
      "B2O3": 3.9,
      "Na2O": 3.7,
      "K2O": 2.6,
      "MgO": 1.36,
      "CaO": 11.02,
      "TiO2": 2.72,
      "Fe2O3": 0.42,
      "CuO": 1.95,
      "ZnO": 3.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "9793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.68,
      "Al2O3": 9.58,
      "Na2O": 2.29,
      "K2O": 3.05,
      "MgO": 0.04,
      "CaO": 8.44,
      "P2O5": 0.01,
      "TiO2": 4.9,
      "Fe2O3": 0.16,
      "CuO": 3.14,
      "ZnO": 11.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "9808",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.52,
      "Al2O3": 8.22,
      "B2O3": 3.26,
      "Na2O": 1.62,
      "K2O": 3.67,
      "MgO": 5.97,
      "CaO": 4.37,
      "P2O5": 0.02,
      "TiO2": 5.21,
      "Fe2O3": 0.75,
      "ZnO": 2.59,
      "SnO2": 4.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.4
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "gerstley borate",
        "amount": 12.7
      },
      {
        "material": "dolomite",
        "amount": 6.4
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "9816",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.52,
      "Al2O3": 7.34,
      "B2O3": 15.68,
      "Na2O": 2.35,
      "K2O": 0.3,
      "MgO": 2.06,
      "CaO": 11.38,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 41.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "9820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.65,
      "Al2O3": 7.96,
      "B2O3": 3.52,
      "Na2O": 1.63,
      "K2O": 3.93,
      "MgO": 5.65,
      "CaO": 10.84,
      "SrO": 0.06,
      "P2O5": 4.06,
      "TiO2": 0.01,
      "Fe2O3": 13.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 35.5
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "gillespie borate",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 7.5
      },
      {
        "material": "devon china clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "9824",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.86,
      "Al2O3": 13.27,
      "B2O3": 5.97,
      "Na2O": 1.61,
      "K2O": 2.94,
      "MgO": 3.2,
      "CaO": 9.5,
      "P2O5": 0.02,
      "TiO2": 0.38,
      "Fe2O3": 4.74,
      "CoO": 3.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 80.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "9828",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.03,
      "Al2O3": 10.8,
      "Na2O": 5.21,
      "K2O": 0.02,
      "MgO": 2.2,
      "CaO": 6.43,
      "SrO": 4.22,
      "P2O5": 0.02,
      "TiO2": 5.29,
      "FeO": 4.74,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ilmenite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9868",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.41,
      "Al2O3": 14.14,
      "B2O3": 2.78,
      "Li2O": 3.71,
      "Na2O": 4.23,
      "K2O": 2.17,
      "MgO": 0.49,
      "CaO": 8.35,
      "SrO": 0.05,
      "P2O5": 0.03,
      "TiO2": 11.4,
      "Fe2O3": 0.12,
      "CuO": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 22.2
      },
      {
        "material": "nepheline syenite",
        "amount": 22.2
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "gillespie borate",
        "amount": 11.1
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.1
      },
      {
        "material": "copper carbonate",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 112.8
      }
    ]
  },
  {
    "id": "9884",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.85,
      "Al2O3": 16.97,
      "B2O3": 3.08,
      "Li2O": 2.81,
      "Na2O": 5.21,
      "K2O": 2.32,
      "MgO": 0.47,
      "CaO": 9.06,
      "P2O5": 0.05,
      "TiO2": 6.97,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9894",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.87,
      "Al2O3": 10.43,
      "B2O3": 3.5,
      "Na2O": 3.56,
      "K2O": 1.11,
      "MgO": 0.1,
      "CaO": 15.52,
      "TiO2": 0.24,
      "Fe2O3": 2.32,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "9895",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.33,
      "Al2O3": 9.69,
      "Na2O": 2.23,
      "K2O": 2.45,
      "MgO": 0.07,
      "CaO": 10.81,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.17,
      "CoO": 0.63,
      "CuO": 1.61,
      "ZnO": 7.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "9896",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.33,
      "Al2O3": 11.98,
      "B2O3": 7.62,
      "Na2O": 2.23,
      "K2O": 3.16,
      "MgO": 2.56,
      "CaO": 12.23,
      "P2O5": 0.02,
      "TiO2": 8.97,
      "Fe2O3": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 66.0
      },
      {
        "material": "gerstley borate",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.4
      },
      {
        "material": "titanium dioxide",
        "amount": 7.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "9898",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.89,
      "Al2O3": 10.48,
      "B2O3": 5.64,
      "Na2O": 3.2,
      "K2O": 2.17,
      "MgO": 1.57,
      "CaO": 6.01,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.35,
      "CoO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "9905",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.76,
      "Al2O3": 17.74,
      "Na2O": 4.55,
      "K2O": 2.91,
      "MgO": 1.1,
      "CaO": 4.81,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "CuO": 1.99,
      "ZnO": 4.96,
      "SnO2": 4.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 70.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "9909",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.36,
      "Al2O3": 10.51,
      "B2O3": 3.53,
      "Na2O": 3.58,
      "K2O": 1.12,
      "MgO": 0.1,
      "CaO": 15.64,
      "TiO2": 1.43,
      "Fe2O3": 0.37,
      "CuO": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 1.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.7
      }
    ]
  },
  {
    "id": "9910",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.36,
      "Al2O3": 10.35,
      "B2O3": 3.48,
      "Na2O": 3.53,
      "K2O": 1.1,
      "MgO": 0.1,
      "CaO": 15.4,
      "TiO2": 2.2,
      "Fe2O3": 0.45,
      "CuO": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "9998",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.88,
      "Al2O3": 10.99,
      "B2O3": 5.9,
      "Na2O": 2.96,
      "K2O": 1.34,
      "MgO": 4.91,
      "CaO": 9.29,
      "SrO": 0.02,
      "BaO": 0.01,
      "TiO2": 0.51,
      "Fe2O3": 10.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "refined overberg earthenware",
        "amount": 34.6
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 18.3
      },
      {
        "material": "silica",
        "amount": 10.6
      },
      {
        "material": "whiting - kulubrite",
        "amount": 7.4
      },
      {
        "material": "magnesite gw",
        "amount": 7.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.2
      },
      {
        "material": "kaolin g",
        "amount": 5.1
      },
      {
        "material": "wollastonite",
        "amount": 4.3
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 3.8
      },
      {
        "material": "talc - cps",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "10023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.54,
      "Al2O3": 13.58,
      "Li2O": 2.08,
      "Na2O": 2.36,
      "K2O": 0.87,
      "MgO": 2.28,
      "CaO": 5.84,
      "P2O5": 2.06,
      "TiO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 7.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - australian",
        "amount": 27.5
      },
      {
        "material": "bps soda feldspar",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "dolomite",
        "amount": 10.5
      },
      {
        "material": "bone ash",
        "amount": 4.8
      },
      {
        "material": "devon china clay",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 99.4
      },
      {
        "material": "red iron oxide",
        "amount": 7.8
      },
      {
        "material": "total",
        "amount": 107.2
      }
    ]
  },
  {
    "id": "10093",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.56,
      "Al2O3": 10.6,
      "B2O3": 4.28,
      "Na2O": 2.48,
      "K2O": 1.94,
      "MgO": 0.02,
      "CaO": 12.83,
      "P2O5": 0.05,
      "TiO2": 5.99,
      "Fe2O3": 0.81,
      "CuO": 2.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "10141",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.89,
      "Al2O3": 15.1,
      "B2O3": 2.97,
      "Li2O": 3.96,
      "Na2O": 4.51,
      "K2O": 2.32,
      "MgO": 0.52,
      "CaO": 8.91,
      "SrO": 0.05,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "V2O5": 6.56,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 22.2
      },
      {
        "material": "nepheline syenite",
        "amount": 22.2
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "gillespie borate",
        "amount": 11.1
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "vanadium pentoxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10146",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.01,
      "Al2O3": 7.99,
      "K2O": 3.32,
      "CaO": 7.96,
      "Cr2O3": 10.91,
      "CuO": 2.81,
      "PbO": 21.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lead bisilicate frit",
        "amount": 31.0
      },
      {
        "material": "potash feldspar",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "chrome oxide",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.65,
      "Al2O3": 8.3,
      "Li2O": 6.12,
      "Na2O": 2.95,
      "K2O": 1.4,
      "MgO": 0.11,
      "CaO": 2.19,
      "SrO": 19.48,
      "TiO2": 0.03,
      "Cr2O3": 0.58,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "strontium carbonate",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 13.0
      },
      {
        "material": "ball clay",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "10150",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.21,
      "Al2O3": 9.83,
      "B2O3": 3.06,
      "Li2O": 0.42,
      "Na2O": 2.04,
      "K2O": 8.83,
      "MgO": 0.01,
      "CaO": 9.07,
      "BaO": 3.17,
      "TiO2": 4.08,
      "CuO": 3.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 51.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "calcium borate frit",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "barium carbonate",
        "amount": 4.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "10156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.74,
      "Al2O3": 10.31,
      "Li2O": 2.34,
      "Na2O": 1.63,
      "K2O": 2.07,
      "MgO": 0.12,
      "CaO": 7.34,
      "SrO": 10.09,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CuO": 2.87,
      "SnO2": 5.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 4.5
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "10173",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.83,
      "Al2O3": 11.93,
      "B2O3": 1.22,
      "Na2O": 1.85,
      "K2O": 4.08,
      "MgO": 2.91,
      "CaO": 10.29,
      "P2O5": 0.03,
      "TiO2": 6.89,
      "Fe2O3": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.7
      },
      {
        "material": "bentonite",
        "amount": 3.2
      },
      {
        "material": "total",
        "amount": 110.9
      }
    ]
  },
  {
    "id": "10174",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.98,
      "Al2O3": 12.05,
      "B2O3": 1.26,
      "Na2O": 1.87,
      "K2O": 4.19,
      "MgO": 2.97,
      "CaO": 10.6,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 6.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10175",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.72,
      "Al2O3": 12.61,
      "B2O3": 1.37,
      "Na2O": 1.96,
      "K2O": 4.52,
      "MgO": 3.18,
      "CaO": 11.45,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10176",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.54,
      "Al2O3": 10.82,
      "B2O3": 1.17,
      "Na2O": 1.68,
      "K2O": 3.88,
      "MgO": 2.73,
      "CaO": 9.83,
      "P2O5": 0.02,
      "TiO2": 12.82,
      "Fe2O3": 1.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "10177",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.65,
      "Al2O3": 11.62,
      "B2O3": 1.26,
      "Na2O": 1.8,
      "K2O": 4.17,
      "MgO": 2.93,
      "CaO": 10.56,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 5.92,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.98,
      "Al2O3": 12.27,
      "B2O3": 1.33,
      "Na2O": 1.9,
      "K2O": 4.4,
      "MgO": 3.09,
      "CaO": 11.15,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "CuO": 2.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "10179",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.53,
      "Al2O3": 12.38,
      "B2O3": 1.34,
      "Na2O": 1.92,
      "K2O": 4.44,
      "MgO": 3.12,
      "CaO": 11.24,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CoO": 0.76,
      "CuO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.75
      }
    ]
  },
  {
    "id": "10180",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.87,
      "Al2O3": 12.03,
      "B2O3": 1.26,
      "Na2O": 1.86,
      "K2O": 4.19,
      "MgO": 2.97,
      "CaO": 10.58,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 5.99,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "10181",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 12.08,
      "B2O3": 1.27,
      "Na2O": 1.87,
      "K2O": 4.2,
      "MgO": 2.98,
      "CaO": 10.63,
      "P2O5": 0.03,
      "TiO2": 4.64,
      "Fe2O3": 0.7,
      "CoO": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "10183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.72,
      "Al2O3": 12.61,
      "B2O3": 1.37,
      "Na2O": 1.96,
      "K2O": 4.52,
      "MgO": 3.18,
      "CaO": 11.45,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "10185",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.49,
      "Al2O3": 17.23,
      "Li2O": 1.29,
      "Na2O": 6.43,
      "K2O": 3.06,
      "MgO": 0.13,
      "CaO": 0.49,
      "SrO": 15.8,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "CoO": 0.79,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.5
      },
      {
        "material": "strontium carbonate",
        "amount": 21.4
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "ball clay",
        "amount": 6.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 105.8
      }
    ]
  },
  {
    "id": "10232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.66,
      "Al2O3": 24.39,
      "Na2O": 9.59,
      "K2O": 4.12,
      "MgO": 0.1,
      "CaO": 0.07,
      "TiO2": 0.43,
      "Fe2O3": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 35.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 35.0
      },
      {
        "material": "hymod at ball clay",
        "amount": 25.0
      },
      {
        "material": "calcined kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "10233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.49,
      "Al2O3": 20.62,
      "Na2O": 10.95,
      "K2O": 0.57,
      "MgO": 0.18,
      "CaO": 0.07,
      "P2O5": 0.01,
      "TiO2": 0.41,
      "Fe2O3": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 70.0
      },
      {
        "material": "toasted stoneware clay",
        "amount": 20.0
      },
      {
        "material": "hyplas 71 ball clay p3354",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "10234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.36,
      "Al2O3": 24.57,
      "Na2O": 6.88,
      "K2O": 4.5,
      "MgO": 0.14,
      "CaO": 0.1,
      "TiO2": 0.59,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 35.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 35.0
      },
      {
        "material": "hymod at ball clay",
        "amount": 35.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "10236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.59,
      "Al2O3": 22.94,
      "Na2O": 5.58,
      "K2O": 6.77,
      "MgO": 0.12,
      "CaO": 0.03,
      "TiO2": 0.53,
      "Fe2O3": 0.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 70.0
      },
      {
        "material": "hyplas 71 ball clay p3354",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10255",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.27,
      "Al2O3": 7.41,
      "B2O3": 8.1,
      "Na2O": 3.65,
      "K2O": 0.32,
      "MgO": 4.51,
      "CaO": 7.48,
      "P2O5": 2.12,
      "TiO2": 0.18,
      "Fe2O3": 11.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 26.8
      },
      {
        "material": "silica",
        "amount": 20.4
      },
      {
        "material": "black ball clay",
        "amount": 20.1
      },
      {
        "material": "talc",
        "amount": 13.3
      },
      {
        "material": "red iron oxide",
        "amount": 11.8
      },
      {
        "material": "wollastonite",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "10260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.33,
      "Al2O3": 10.77,
      "K2O": 0.6,
      "CaO": 17.56,
      "TiO2": 0.04,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p42 kaolin san rocco",
        "amount": 39.0
      },
      {
        "material": "p19 diaspro verde",
        "amount": 28.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.76,
      "Al2O3": 15.38,
      "Na2O": 0.78,
      "K2O": 3.39,
      "CaO": 15.25,
      "P2O5": 0.78,
      "TiO2": 1.69,
      "Fe2O3": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p54 pratoleva kaolin",
        "amount": 40.0
      },
      {
        "material": "p45 - silica podere morticini",
        "amount": 30.0
      },
      {
        "material": "p50 mixed wood ash",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.53,
      "Al2O3": 12.38,
      "B2O3": 1.34,
      "Na2O": 1.92,
      "K2O": 4.44,
      "MgO": 3.12,
      "CaO": 11.24,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CoO": 0.76,
      "CuO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.75
      }
    ]
  },
  {
    "id": "10279",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.85,
      "Al2O3": 27.16,
      "Na2O": 1.62,
      "K2O": 1.7,
      "MgO": 1.83,
      "CaO": 0.49,
      "TiO2": 1.19,
      "MnO": 0.01,
      "MnO2": 0.01,
      "Fe2O3": 1.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 30.0
      },
      {
        "material": "goldart",
        "amount": 20.0
      },
      {
        "material": "new foundry hill creme",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "grog, fine",
        "amount": 10.0
      },
      {
        "material": "grog, med",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 132.0
      }
    ]
  },
  {
    "id": "10304",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.48,
      "Al2O3": 12.21,
      "B2O3": 5.22,
      "Na2O": 4.0,
      "K2O": 1.53,
      "MgO": 0.92,
      "CaO": 10.3,
      "SrO": 0.1,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gillespie borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10346",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.08,
      "Al2O3": 13.01,
      "Na2O": 2.6,
      "K2O": 5.66,
      "MgO": 0.99,
      "CaO": 5.4,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 7.99,
      "CoO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 76.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.4
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "camadil dolomite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.9
      }
    ]
  },
  {
    "id": "10351",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.57,
      "Al2O3": 12.86,
      "Li2O": 0.42,
      "Na2O": 2.02,
      "K2O": 3.05,
      "MgO": 5.95,
      "CaO": 4.25,
      "BaO": 8.08,
      "P2O5": 0.07,
      "TiO2": 0.23,
      "Cr2O3": 1.04,
      "MnO2": 0.9,
      "FeO": 0.81,
      "Fe2O3": 5.1,
      "CoO": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 63.2
      },
      {
        "material": "cornwall stone",
        "amount": 15.8
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10364",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.53,
      "Al2O3": 4.72,
      "B2O3": 0.8,
      "Li2O": 2.15,
      "Na2O": 3.88,
      "K2O": 2.98,
      "MgO": 2.29,
      "CaO": 13.9,
      "SrO": 0.01,
      "P2O5": 4.05,
      "Fe2O3": 17.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 16.6
      },
      {
        "material": "potclays/bps high alkaline frit",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 10.8
      },
      {
        "material": "bone ash",
        "amount": 10.3
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.7
      },
      {
        "material": "gillespie borate",
        "amount": 1.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "10380",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.64,
      "Al2O3": 9.37,
      "B2O3": 3.08,
      "Na2O": 5.81,
      "K2O": 7.89,
      "MgO": 2.46,
      "CaO": 20.11,
      "SrO": 3.89,
      "P2O5": 3.87,
      "TiO2": 0.53,
      "Fe2O3": 4.74,
      "CoO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 31.0
      },
      {
        "material": "mixed wood ash",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "gillespie borate",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.6
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.1
      }
    ]
  },
  {
    "id": "10389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.8,
      "Al2O3": 11.02,
      "B2O3": 4.57,
      "Na2O": 1.23,
      "K2O": 1.19,
      "MgO": 0.79,
      "CaO": 17.53,
      "SrO": 0.08,
      "TiO2": 4.02,
      "Fe2O3": 0.64,
      "CuO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "devon china clay",
        "amount": 20.0
      },
      {
        "material": "gillespie borate",
        "amount": 17.0
      },
      {
        "material": "cornwall stone",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "10404",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.64,
      "Al2O3": 5.56,
      "B2O3": 3.66,
      "Na2O": 3.59,
      "K2O": 7.88,
      "MgO": 2.61,
      "CaO": 10.21,
      "SrO": 0.07,
      "P2O5": 4.07,
      "TiO2": 0.04,
      "Fe2O3": 2.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 1.0
      },
      {
        "material": "cornwall stone",
        "amount": 1.0
      },
      {
        "material": "silica",
        "amount": 1.0
      },
      {
        "material": "gillespie borate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 3.5
      }
    ]
  },
  {
    "id": "10433",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.38,
      "Al2O3": 9.44,
      "B2O3": 4.54,
      "Na2O": 1.99,
      "K2O": 4.31,
      "MgO": 2.01,
      "CaO": 7.28,
      "SrO": 0.08,
      "P2O5": 0.01,
      "TiO2": 9.07,
      "Fe2O3": 1.07,
      "ZnO": 7.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.72
      },
      {
        "material": "gillespie borate",
        "amount": 18.45
      },
      {
        "material": "silica",
        "amount": 18.45
      },
      {
        "material": "zinc oxide",
        "amount": 7.77
      },
      {
        "material": "dolomite",
        "amount": 5.83
      },
      {
        "material": "ep kaolin",
        "amount": 4.85
      },
      {
        "material": "whiting",
        "amount": 1.94
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.01
      }
    ]
  },
  {
    "id": "10448",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.81,
      "Al2O3": 12.5,
      "B2O3": 2.3,
      "Na2O": 0.36,
      "K2O": 6.41,
      "MgO": 3.37,
      "CaO": 10.97,
      "SrO": 0.04,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 6.06,
      "CuO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "gillespie borate",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10449",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.89,
      "Al2O3": 17.95,
      "Li2O": 0.44,
      "Na2O": 6.45,
      "K2O": 3.1,
      "MgO": 0.1,
      "CaO": 0.49,
      "SrO": 15.29,
      "TiO2": 0.11,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10496",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.98,
      "Al2O3": 9.94,
      "Li2O": 1.61,
      "Na2O": 2.49,
      "K2O": 3.31,
      "MgO": 5.07,
      "CaO": 7.85,
      "P2O5": 6.43,
      "Fe2O3": 10.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "silica",
        "amount": 11.6
      },
      {
        "material": "lithium carbonate",
        "amount": 4.3
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "red iron oxide",
        "amount": 11.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.9
      }
    ]
  },
  {
    "id": "10542",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.33,
      "Al2O3": 19.36,
      "B2O3": 0.7,
      "Na2O": 6.22,
      "K2O": 9.26,
      "MgO": 4.75,
      "CaO": 6.93,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "CuO": 1.09,
      "SnO2": 2.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.17
      },
      {
        "material": "dolomite",
        "amount": 18.87
      },
      {
        "material": "kaolin",
        "amount": 18.87
      },
      {
        "material": "soda ash",
        "amount": 9.43
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 5.66
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "10543",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.57,
      "Al2O3": 18.94,
      "B2O3": 1.15,
      "Na2O": 6.52,
      "K2O": 9.02,
      "MgO": 4.57,
      "CaO": 6.91,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 1.04,
      "SnO2": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.36
      },
      {
        "material": "dolomite",
        "amount": 18.14
      },
      {
        "material": "kaolin",
        "amount": 18.14
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 9.29
      },
      {
        "material": "soda ash",
        "amount": 9.07
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.92
      },
      {
        "material": "tin oxide",
        "amount": 1.92
      },
      {
        "material": "copper carbonate",
        "amount": 1.44
      },
      {
        "material": "total",
        "amount": 105.28
      }
    ]
  },
  {
    "id": "10544",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.26,
      "Al2O3": 7.98,
      "B2O3": 6.55,
      "Na2O": 4.9,
      "K2O": 0.95,
      "MgO": 0.2,
      "CaO": 7.14,
      "SrO": 3.94,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "CuO": 0.95,
      "SnO2": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "10551",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.58,
      "Al2O3": 5.86,
      "B2O3": 23.82,
      "Li2O": 0.96,
      "Na2O": 0.29,
      "K2O": 1.17,
      "MgO": 0.47,
      "CaO": 12.98,
      "BaO": 7.28,
      "TiO2": 0.41,
      "Cr2O3": 0.59,
      "MnO": 2.05,
      "Fe2O3": 8.79,
      "CoO": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 50.0
      },
      {
        "material": "colemanite",
        "amount": 40.0
      },
      {
        "material": "barium carbonate",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "soda ash",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10564",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.69,
      "Al2O3": 15.51,
      "B2O3": 1.79,
      "Na2O": 1.86,
      "K2O": 1.73,
      "MgO": 6.32,
      "CaO": 8.7,
      "TiO2": 1.69,
      "Fe2O3": 10.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "roof tile waste - caki",
        "amount": 85.0
      },
      {
        "material": "ulexite - caki",
        "amount": 4.5
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "sodium feldspar - caki",
        "amount": 3.0
      },
      {
        "material": "potassium feldspar - caki",
        "amount": 3.0
      },
      {
        "material": "kaolin - caki",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.48,
      "Al2O3": 11.61,
      "B2O3": 6.07,
      "Na2O": 2.98,
      "K2O": 1.33,
      "MgO": 4.67,
      "CaO": 5.42,
      "SrO": 0.01,
      "BaO": 0.01,
      "TiO2": 0.52,
      "Fe2O3": 10.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "refined overberg earthenware",
        "amount": 40.5
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 21.5
      },
      {
        "material": "talc - cps",
        "amount": 13.8
      },
      {
        "material": "kaolin g",
        "amount": 7.6
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "wollastonite",
        "amount": 6.1
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 7.7
      },
      {
        "material": "total",
        "amount": 107.8
      }
    ]
  },
  {
    "id": "10576",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.71,
      "Al2O3": 19.78,
      "Na2O": 4.89,
      "MgO": 0.94,
      "CaO": 12.69,
      "TiO2": 3.65,
      "Fe2O3": 0.59,
      "CoO": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "norfloat sodium feldspar",
        "amount": 57.6
      },
      {
        "material": "whiting",
        "amount": 19.3
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "rutile",
        "amount": 3.81
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 104.66
      }
    ]
  },
  {
    "id": "10585",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.07,
      "Al2O3": 15.96,
      "B2O3": 3.91,
      "Na2O": 3.48,
      "K2O": 0.77,
      "MgO": 0.13,
      "CaO": 15.6,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10621",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.89,
      "Al2O3": 10.72,
      "B2O3": 2.74,
      "Li2O": 2.48,
      "Na2O": 7.03,
      "K2O": 1.0,
      "MgO": 0.04,
      "CaO": 9.68,
      "P2O5": 0.06,
      "TiO2": 4.54,
      "MnO": 0.01,
      "Fe2O3": 7.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 39.3
      },
      {
        "material": "spodumene - australian",
        "amount": 31.5
      },
      {
        "material": "whiting",
        "amount": 9.8
      },
      {
        "material": "red iron oxide",
        "amount": 7.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.1
      },
      {
        "material": "titanium dioxide",
        "amount": 4.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10628",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.84,
      "Al2O3": 20.94,
      "Na2O": 7.26,
      "K2O": 3.44,
      "MgO": 4.93,
      "CaO": 2.19,
      "P2O5": 1.28,
      "TiO2": 0.04,
      "Fe2O3": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 71.59
      },
      {
        "material": "talc",
        "amount": 14.31
      },
      {
        "material": "ep kaolin",
        "amount": 9.55
      },
      {
        "material": "bone ash",
        "amount": 2.86
      },
      {
        "material": "red iron oxide",
        "amount": 0.95
      },
      {
        "material": "epsom salts",
        "amount": 0.74
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10660",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.27,
      "Al2O3": 16.98,
      "K2O": 15.68,
      "CaO": 3.45,
      "SrO": 3.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 88.93
      },
      {
        "material": "whiting",
        "amount": 5.9
      },
      {
        "material": "strontium carbonate",
        "amount": 4.94
      },
      {
        "material": "silica",
        "amount": 0.23
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10668",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.89,
      "Al2O3": 8.18,
      "B2O3": 6.71,
      "Na2O": 5.03,
      "K2O": 0.97,
      "MgO": 0.2,
      "CaO": 7.32,
      "SrO": 4.03,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.6
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.1
      }
    ]
  },
  {
    "id": "10677",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.5,
      "Al2O3": 9.35,
      "B2O3": 6.23,
      "Na2O": 2.74,
      "K2O": 0.97,
      "MgO": 0.89,
      "CaO": 17.1,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.28,
      "Fe2O3": 0.28,
      "SnO2": 5.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "10684",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 13.56,
      "B2O3": 6.69,
      "Na2O": 5.58,
      "K2O": 2.26,
      "MgO": 1.58,
      "CaO": 7.37,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 2.6,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.2
      },
      {
        "material": "gerstley borate",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 18.9
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "talc",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "10691",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.73,
      "Al2O3": 12.87,
      "B2O3": 3.16,
      "Na2O": 5.73,
      "K2O": 2.51,
      "MgO": 2.76,
      "CaO": 8.18,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 10.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "10710",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.47,
      "Al2O3": 9.91,
      "Na2O": 1.32,
      "K2O": 4.36,
      "MgO": 0.03,
      "CaO": 12.12,
      "TiO2": 0.11,
      "Cr2O3": 0.27,
      "Fe2O3": 0.15,
      "SnO2": 4.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 104.25
      }
    ]
  },
  {
    "id": "10765",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.86,
      "Al2O3": 13.03,
      "B2O3": 1.42,
      "Na2O": 1.81,
      "K2O": 5.36,
      "MgO": 0.2,
      "CaO": 4.18,
      "P2O5": 0.03,
      "TiO2": 5.35,
      "Fe2O3": 0.15,
      "ZnO": 10.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10770",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.13,
      "Al2O3": 15.68,
      "Li2O": 1.13,
      "Na2O": 5.43,
      "K2O": 3.76,
      "MgO": 1.16,
      "CaO": 2.84,
      "TiO2": 4.71,
      "Fe2O3": 0.1,
      "ZnO": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 76.2
      },
      {
        "material": "silica",
        "amount": 8.7
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "titanium dioxide",
        "amount": 4.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10771",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.88,
      "Al2O3": 18.11,
      "Li2O": 0.99,
      "Na2O": 5.06,
      "K2O": 3.49,
      "MgO": 1.23,
      "CaO": 2.82,
      "TiO2": 5.15,
      "Fe2O3": 0.14,
      "ZnO": 5.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 70.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10772",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 18.23,
      "Li2O": 1.16,
      "Na2O": 4.9,
      "K2O": 3.38,
      "MgO": 1.15,
      "CaO": 2.69,
      "TiO2": 4.85,
      "Fe2O3": 0.13,
      "ZnO": 5.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 72.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10786",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.11,
      "Al2O3": 8.69,
      "B2O3": 2.35,
      "Li2O": 1.57,
      "Na2O": 2.69,
      "K2O": 3.54,
      "MgO": 1.19,
      "CaO": 8.93,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.18,
      "Fe2O3": 0.15,
      "CoO": 0.39,
      "SnO2": 5.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.1
      },
      {
        "material": "custer feldspar",
        "amount": 27.06
      },
      {
        "material": "nepheline syenite",
        "amount": 14.03
      },
      {
        "material": "whiting",
        "amount": 12.03
      },
      {
        "material": "gerstley borate",
        "amount": 8.42
      },
      {
        "material": "lithium carbonate",
        "amount": 3.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.66
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.17
      },
      {
        "material": "total",
        "amount": 107.77
      }
    ]
  },
  {
    "id": "10793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.53,
      "Al2O3": 8.97,
      "B2O3": 9.08,
      "Na2O": 6.49,
      "K2O": 0.08,
      "MgO": 0.03,
      "CaO": 7.69,
      "SrO": 0.05,
      "BaO": 2.55,
      "P2O5": 0.06,
      "TiO2": 4.81,
      "FeO": 0.04,
      "Fe2O3": 4.66,
      "ZnO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "10808",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.11,
      "Al2O3": 15.28,
      "Na2O": 5.01,
      "K2O": 2.37,
      "MgO": 0.12,
      "CaO": 1.41,
      "SrO": 20.15,
      "P2O5": 0.02,
      "TiO2": 12.76,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.8
      },
      {
        "material": "strontium carbonate",
        "amount": 30.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "silica",
        "amount": 6.6
      },
      {
        "material": "whiting",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "10811",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.86,
      "Al2O3": 11.15,
      "B2O3": 2.18,
      "Na2O": 3.23,
      "K2O": 1.61,
      "MgO": 2.78,
      "CaO": 10.34,
      "P2O5": 4.45,
      "TiO2": 0.05,
      "Fe2O3": 9.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 33.6
      },
      {
        "material": "silica",
        "amount": 23.7
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "bone ash",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.9
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "10813",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.0,
      "Al2O3": 11.29,
      "B2O3": 1.74,
      "Na2O": 1.89,
      "K2O": 5.46,
      "MgO": 0.23,
      "CaO": 10.54,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "CoO": 0.1,
      "CuO": 2.09,
      "ZnO": 6.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 103.15
      }
    ]
  },
  {
    "id": "10820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.28,
      "Al2O3": 13.69,
      "Na2O": 0.97,
      "K2O": 2.96,
      "MgO": 0.12,
      "CaO": 15.86,
      "P2O5": 0.33,
      "TiO2": 3.12,
      "Fe2O3": 2.68,
      "CoO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.6
      },
      {
        "material": "whiting",
        "amount": 25.6
      },
      {
        "material": "ball clay",
        "amount": 20.6
      },
      {
        "material": "silica",
        "amount": 20.6
      },
      {
        "material": "ep kaolin",
        "amount": 6.9
      },
      {
        "material": "bone ash",
        "amount": 0.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "yellow ochre",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "10827",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.99,
      "Al2O3": 6.82,
      "B2O3": 1.92,
      "Li2O": 1.85,
      "Na2O": 2.4,
      "K2O": 2.34,
      "MgO": 1.76,
      "CaO": 9.36,
      "SrO": 1.2,
      "TiO2": 3.72,
      "Fe2O3": 0.54,
      "SnO2": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 26.2
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "gillespie borate",
        "amount": 7.6
      },
      {
        "material": "lithium carbonate",
        "amount": 4.4
      },
      {
        "material": "talc",
        "amount": 4.3
      },
      {
        "material": "strontium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.9
      }
    ]
  },
  {
    "id": "10828",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.98,
      "Al2O3": 7.42,
      "B2O3": 4.1,
      "Na2O": 3.68,
      "K2O": 13.78,
      "MgO": 6.7,
      "CaO": 11.19,
      "P2O5": 5.8,
      "TiO2": 2.35,
      "MnO": 0.91,
      "Fe2O3": 3.46,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "hardwood ash",
        "amount": 50.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 156.0
      }
    ]
  },
  {
    "id": "10829",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.65,
      "Al2O3": 7.54,
      "B2O3": 2.68,
      "Na2O": 2.77,
      "K2O": 12.46,
      "MgO": 6.48,
      "CaO": 16.11,
      "P2O5": 5.48,
      "TiO2": 1.89,
      "MnO": 0.87,
      "Fe2O3": 2.45,
      "CoO": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "ball clay",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "hardwood ash",
        "amount": 50.0
      },
      {
        "material": "yellow ochre",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 163.0
      }
    ]
  },
  {
    "id": "10834",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.45,
      "Al2O3": 12.67,
      "Na2O": 0.93,
      "K2O": 2.96,
      "MgO": 0.01,
      "CaO": 11.89,
      "BaO": 1.58,
      "TiO2": 0.02,
      "Fe2O3": 0.47,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 30.5
      },
      {
        "material": "wollastonite",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 22.8
      },
      {
        "material": "new zealand halloysite",
        "amount": 10.0
      },
      {
        "material": "calcined new zealand halloysite",
        "amount": 9.3
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 98.6
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.45
      },
      {
        "material": "total",
        "amount": 100.05
      }
    ]
  },
  {
    "id": "10838",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 11.4,
      "B2O3": 2.69,
      "Na2O": 5.08,
      "K2O": 0.14,
      "MgO": 3.31,
      "CaO": 13.06,
      "SrO": 0.05,
      "TiO2": 0.13,
      "Fe2O3": 0.21,
      "CoO": 2.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "gillespie borate",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10867",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.77,
      "Al2O3": 2.55,
      "B2O3": 1.53,
      "Na2O": 8.92,
      "K2O": 1.39,
      "MgO": 0.04,
      "CaO": 3.68,
      "Fe2O3": 0.07,
      "ZnO": 23.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 58.0
      },
      {
        "material": "zinc oxide",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10869",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.56,
      "Al2O3": 22.26,
      "Li2O": 1.21,
      "Na2O": 7.27,
      "K2O": 3.33,
      "MgO": 0.07,
      "CaO": 1.2,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 3.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 68.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "10884",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 9.5,
      "B2O3": 4.89,
      "Na2O": 3.29,
      "K2O": 1.3,
      "MgO": 0.67,
      "CaO": 7.1,
      "SrO": 9.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CuO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "10885",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.65,
      "Al2O3": 9.49,
      "B2O3": 4.88,
      "Na2O": 3.29,
      "K2O": 1.3,
      "MgO": 0.67,
      "CaO": 7.09,
      "SrO": 9.14,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CoO": 0.14,
      "CuO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.2
      }
    ]
  },
  {
    "id": "10886",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.73,
      "Al2O3": 9.66,
      "B2O3": 4.97,
      "Na2O": 3.34,
      "K2O": 1.32,
      "MgO": 0.68,
      "CaO": 7.21,
      "SrO": 9.3,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CoO": 0.17,
      "NiO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "10887",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.08,
      "Al2O3": 9.56,
      "B2O3": 4.92,
      "Na2O": 3.31,
      "K2O": 1.31,
      "MgO": 0.68,
      "CaO": 7.14,
      "SrO": 9.2,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CoO": 0.14,
      "CuO": 1.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.2
      }
    ]
  },
  {
    "id": "10890",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.99,
      "Al2O3": 14.27,
      "Na2O": 2.51,
      "K2O": 8.13,
      "MgO": 0.05,
      "CaO": 0.27,
      "MnO2": 17.62,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 25.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "10891",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.23,
      "Al2O3": 14.28,
      "Na2O": 2.33,
      "K2O": 7.79,
      "MgO": 0.16,
      "CaO": 0.27,
      "P2O5": 0.02,
      "TiO2": 0.08,
      "MnO2": 17.17,
      "Fe2O3": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 26.5
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 139.5
      }
    ]
  },
  {
    "id": "10895",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.88,
      "Al2O3": 13.14,
      "Na2O": 2.23,
      "K2O": 7.45,
      "MgO": 0.14,
      "CaO": 0.52,
      "TiO2": 0.02,
      "MnO2": 18.08,
      "Fe2O3": 0.34,
      "CuO": 5.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 70.0
      },
      {
        "material": "manganese dioxide",
        "amount": 20.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10911",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.91,
      "Al2O3": 9.89,
      "Li2O": 1.53,
      "Na2O": 0.06,
      "K2O": 7.42,
      "MgO": 5.08,
      "CaO": 7.86,
      "P2O5": 5.95,
      "Fe2O3": 10.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.7
      },
      {
        "material": "talc",
        "amount": 16.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "iron oxide",
        "amount": 11.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "10922",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.64,
      "Al2O3": 21.93,
      "Li2O": 1.19,
      "Na2O": 1.1,
      "K2O": 3.71,
      "MgO": 5.9,
      "CaO": 9.71,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.28,
      "SnO2": 7.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.41
      },
      {
        "material": "ep kaolin",
        "amount": 30.87
      },
      {
        "material": "dolomite",
        "amount": 26.33
      },
      {
        "material": "spodumene",
        "amount": 14.57
      },
      {
        "material": "tin oxide",
        "amount": 7.2
      },
      {
        "material": "whiting",
        "amount": 2.4
      },
      {
        "material": "total",
        "amount": 116.78
      }
    ]
  },
  {
    "id": "10930",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.36,
      "Al2O3": 13.86,
      "Na2O": 4.26,
      "K2O": 2.98,
      "MgO": 1.08,
      "CaO": 5.17,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 7.28,
      "CoO": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 65.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "10931",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.45,
      "Al2O3": 8.05,
      "B2O3": 2.69,
      "Na2O": 1.34,
      "K2O": 3.09,
      "MgO": 6.49,
      "CaO": 10.08,
      "SrO": 0.05,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 5.63,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "talc",
        "amount": 13.5
      },
      {
        "material": "gillespie borate",
        "amount": 10.5
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10932",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.39,
      "Al2O3": 12.79,
      "Li2O": 0.15,
      "Na2O": 1.76,
      "K2O": 5.86,
      "MgO": 1.84,
      "CaO": 8.58,
      "SrO": 1.1,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "ZrO2": 4.21,
      "Fe2O3": 0.11,
      "ZnO": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 11.5
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "petalite",
        "amount": 3.0
      },
      {
        "material": "strontium carbonate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10935",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.55,
      "Al2O3": 19.84,
      "Na2O": 0.92,
      "K2O": 4.06,
      "MgO": 8.31,
      "CaO": 11.87,
      "P2O5": 0.15,
      "TiO2": 0.41,
      "Fe2O3": 0.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "volcanic ash - great plains",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.6,
      "Al2O3": 12.35,
      "Na2O": 0.98,
      "K2O": 3.3,
      "MgO": 3.8,
      "CaO": 12.05,
      "P2O5": 0.05,
      "TiO2": 7.84,
      "Fe2O3": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.35,
      "Al2O3": 13.77,
      "B2O3": 2.71,
      "Na2O": 2.81,
      "K2O": 7.99,
      "MgO": 0.43,
      "CaO": 9.52,
      "SrO": 0.05,
      "Fe2O3": 0.08,
      "CuO": 0.21,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.8
      },
      {
        "material": "whiting",
        "amount": 11.1
      },
      {
        "material": "gillespie borate",
        "amount": 10.2
      },
      {
        "material": "silica",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "10939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.44,
      "Al2O3": 24.79,
      "Li2O": 1.05,
      "Na2O": 8.08,
      "K2O": 3.33,
      "MgO": 0.13,
      "CaO": 0.68,
      "P2O5": 0.01,
      "TiO2": 0.22,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 16.5
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 14.5
      },
      {
        "material": "spodumene",
        "amount": 12.5
      },
      {
        "material": "soda ash",
        "amount": 3.5
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10962",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.84,
      "Al2O3": 16.75,
      "Na2O": 1.69,
      "K2O": 5.64,
      "MgO": 5.5,
      "CaO": 9.9,
      "TiO2": 4.27,
      "Fe2O3": 0.79,
      "CoO": 0.34,
      "SnO2": 3.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 22.5
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "10967",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.9,
      "Al2O3": 5.35,
      "B2O3": 9.84,
      "Na2O": 3.57,
      "K2O": 1.13,
      "MgO": 1.31,
      "CaO": 7.27,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "CoO": 1.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 46.97
      },
      {
        "material": "gerstley borate",
        "amount": 33.51
      },
      {
        "material": "nepheline syenite",
        "amount": 19.52
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.85,
      "Al2O3": 7.55,
      "B2O3": 6.48,
      "Li2O": 0.42,
      "Na2O": 2.37,
      "K2O": 0.88,
      "MgO": 8.01,
      "CaO": 9.52,
      "P2O5": 0.04,
      "TiO2": 0.15,
      "MnO2": 0.0,
      "Fe2O3": 0.29,
      "CoO": 1.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "nepheline syenite",
        "amount": 12.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.0
      },
      {
        "material": "spodumene - canadian",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10969",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.84,
      "Al2O3": 14.76,
      "B2O3": 4.7,
      "Li2O": 0.79,
      "Na2O": 4.42,
      "K2O": 1.96,
      "MgO": 5.78,
      "CaO": 5.83,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "MnO2": 0.01,
      "Fe2O3": 0.31,
      "CoO": 1.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "spodumene - canadian",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.21,
      "Al2O3": 11.12,
      "B2O3": 3.64,
      "Na2O": 3.73,
      "K2O": 2.11,
      "MgO": 6.53,
      "CaO": 6.74,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "MnO": 3.28,
      "Fe2O3": 0.22,
      "CoO": 1.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.25
      },
      {
        "material": "silica",
        "amount": 15.05
      },
      {
        "material": "gerstley borate",
        "amount": 12.77
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.57
      },
      {
        "material": "dolomite",
        "amount": 8.91
      },
      {
        "material": "ep kaolin",
        "amount": 4.46
      },
      {
        "material": "total base recipe",
        "amount": 99.01
      },
      {
        "material": "manganese carbonate",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.01
      }
    ]
  },
  {
    "id": "10971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.95,
      "Al2O3": 17.61,
      "Li2O": 1.39,
      "Na2O": 6.4,
      "K2O": 3.05,
      "MgO": 0.17,
      "CaO": 0.51,
      "SrO": 15.22,
      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.5
      },
      {
        "material": "strontium carbonate",
        "amount": 20.9
      },
      {
        "material": "silica",
        "amount": 7.7
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "10972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.97,
      "Al2O3": 12.55,
      "B2O3": 4.5,
      "Na2O": 2.4,
      "K2O": 3.24,
      "MgO": 1.97,
      "CaO": 10.56,
      "TiO2": 0.32,
      "ZrO2": 6.63,
      "Fe2O3": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "10973",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.46,
      "Al2O3": 11.78,
      "B2O3": 3.63,
      "Na2O": 1.99,
      "K2O": 3.05,
      "MgO": 5.9,
      "CaO": 13.65,
      "TiO2": 6.04,
      "Fe2O3": 1.45,
      "CoO": 1.98,
      "CuO": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "10974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.24,
      "Al2O3": 11.96,
      "B2O3": 3.69,
      "Na2O": 2.02,
      "K2O": 3.1,
      "MgO": 5.44,
      "CaO": 14.52,
      "TiO2": 5.16,
      "Fe2O3": 1.37,
      "CoO": 0.34,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 70.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "10975",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.63,
      "Al2O3": 13.36,
      "B2O3": 8.8,
      "Na2O": 4.63,
      "K2O": 2.39,
      "MgO": 0.02,
      "CaO": 7.65,
      "P2O5": 0.06,
      "TiO2": 3.63,
      "Fe2O3": 0.59,
      "CoO": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 39.2
      },
      {
        "material": "custer feldspar",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 23.5
      },
      {
        "material": "silica",
        "amount": 13.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "10981",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.25,
      "Al2O3": 11.03,
      "Na2O": 1.3,
      "K2O": 4.3,
      "MgO": 0.72,
      "CaO": 12.61,
      "TiO2": 0.0,
      "Fe2O3": 0.79,
      "SnO2": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.0
      },
      {
        "material": "wollastonite",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 103.7
      }
    ]
  },
  {
    "id": "10983",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.14,
      "Al2O3": 12.16,
      "Na2O": 1.27,
      "K2O": 4.03,
      "MgO": 0.44,
      "CaO": 12.81,
      "P2O5": 0.7,
      "TiO2": 0.2,
      "Fe2O3": 2.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.7
      },
      {
        "material": "custer feldspar",
        "amount": 25.5
      },
      {
        "material": "whiting",
        "amount": 19.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.2
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "mixed wood ash",
        "amount": 4.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "yellow ochre",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "10989",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.35,
      "Al2O3": 13.62,
      "B2O3": 4.88,
      "Na2O": 2.6,
      "K2O": 3.51,
      "MgO": 2.14,
      "CaO": 11.46,
      "TiO2": 0.34,
      "Fe2O3": 0.94,
      "CuO": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "10990",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.89,
      "Al2O3": 11.94,
      "B2O3": 3.52,
      "Li2O": 1.35,
      "Na2O": 1.42,
      "K2O": 0.54,
      "MgO": 5.61,
      "CaO": 8.7,
      "P2O5": 0.08,
      "TiO2": 0.23,
      "MnO2": 0.01,
      "Fe2O3": 1.95,
      "SnO2": 3.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.75
      },
      {
        "material": "dolomite",
        "amount": 17.32
      },
      {
        "material": "spodumene - canadian",
        "amount": 17.32
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 16.83
      },
      {
        "material": "gerstley borate",
        "amount": 7.92
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 5.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 97.64
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "yellow ochre",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.14
      }
    ]
  },
  {
    "id": "10991",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.81,
      "Al2O3": 5.73,
      "B2O3": 7.97,
      "Na2O": 2.44,
      "K2O": 0.96,
      "MgO": 5.01,
      "CaO": 7.22,
      "P2O5": 0.56,
      "TiO2": 0.06,
      "Fe2O3": 14.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.6
      },
      {
        "material": "silica",
        "amount": 29.61
      },
      {
        "material": "minspar 200",
        "amount": 19.68
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.81
      },
      {
        "material": "ep kaolin",
        "amount": 5.05
      },
      {
        "material": "bone ash",
        "amount": 1.26
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 15.14
      },
      {
        "material": "total",
        "amount": 115.15
      },
      {
        "material": "specific gravity",
        "amount": 1.5
      }
    ]
  },
  {
    "id": "10993",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.2,
      "Al2O3": 22.66,
      "Na2O": 4.35,
      "K2O": 2.15,
      "MgO": 4.83,
      "CaO": 0.37,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "Fe2O3": 0.3,
      "ZnO": 9.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "10994",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.67,
      "Al2O3": 16.42,
      "Na2O": 1.55,
      "K2O": 5.18,
      "MgO": 0.02,
      "CaO": 10.63,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 6.82,
      "CoO": 1.26,
      "ZnO": 8.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.2
      },
      {
        "material": "ep kaolin",
        "amount": 19.9
      },
      {
        "material": "whiting",
        "amount": 17.9
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "10995",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.77,
      "Al2O3": 16.99,
      "B2O3": 3.72,
      "Na2O": 3.34,
      "K2O": 3.51,
      "MgO": 0.03,
      "CaO": 9.4,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 8.45,
      "CoO": 1.8,
      "ZnO": 3.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "10997",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.81,
      "Al2O3": 14.46,
      "B2O3": 4.15,
      "Na2O": 3.52,
      "K2O": 1.2,
      "MgO": 0.02,
      "CaO": 13.52,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "wollastonite",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "specific gravity",
        "amount": 1.45
      }
    ]
  },
  {
    "id": "10998",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.89,
      "Al2O3": 10.44,
      "B2O3": 5.34,
      "Na2O": 4.16,
      "K2O": 5.59,
      "MgO": 0.2,
      "CaO": 4.6,
      "P2O5": 0.01,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "CuO": 1.99,
      "ZnO": 0.25,
      "F": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.9
      },
      {
        "material": "ferro frit 3269",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "whiting",
        "amount": 5.8
      },
      {
        "material": "gerstley borate",
        "amount": 5.1
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "10999",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.72,
      "Al2O3": 24.8,
      "Na2O": 14.49,
      "K2O": 2.97,
      "MgO": 0.23,
      "CaO": 0.57,
      "P2O5": 0.07,
      "TiO2": 0.32,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.6
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 16.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.0
      },
      {
        "material": "minspar 200",
        "amount": 9.3
      },
      {
        "material": "redart",
        "amount": 5.7
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "11000",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.6,
      "Al2O3": 11.96,
      "B2O3": 3.79,
      "Na2O": 4.0,
      "K2O": 1.51,
      "MgO": 0.93,
      "CaO": 9.74,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "CuO": 1.04,
      "ZnO": 3.12,
      "SnO2": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "11001",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.79,
      "Al2O3": 13.16,
      "B2O3": 4.84,
      "Na2O": 1.6,
      "K2O": 0.26,
      "MgO": 0.03,
      "CaO": 15.08,
      "P2O5": 0.07,
      "TiO2": 5.12,
      "Fe2O3": 6.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "11002",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.45,
      "Al2O3": 12.86,
      "Na2O": 3.9,
      "K2O": 1.84,
      "MgO": 3.18,
      "CaO": 4.57,
      "SrO": 15.16,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 11.68,
      "Fe2O3": 3.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.5
      },
      {
        "material": "strontium carbonate",
        "amount": 23.9
      },
      {
        "material": "dolomite",
        "amount": 15.41
      },
      {
        "material": "ep kaolin",
        "amount": 9.04
      },
      {
        "material": "silica",
        "amount": 9.04
      },
      {
        "material": "total base recipe",
        "amount": 99.89
      },
      {
        "material": "zircopax",
        "amount": 19.23
      },
      {
        "material": "bentonite",
        "amount": 4.76
      },
      {
        "material": "red iron oxide",
        "amount": 3.57
      },
      {
        "material": "total",
        "amount": 127.45
      }
    ]
  },
  {
    "id": "11003",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.76,
      "Al2O3": 15.03,
      "B2O3": 3.74,
      "Na2O": 5.15,
      "K2O": 2.1,
      "MgO": 1.45,
      "CaO": 4.94,
      "SrO": 13.18,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 6.64,
      "Fe2O3": 3.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.0
      },
      {
        "material": "strontium carbonate",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 114.0
      },
      {
        "material": "specific gravity",
        "amount": 1.5
      }
    ]
  },
  {
    "id": "11004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.74,
      "Al2O3": 17.23,
      "B2O3": 2.65,
      "Na2O": 2.25,
      "K2O": 2.35,
      "MgO": 3.74,
      "CaO": 9.86,
      "P2O5": 0.04,
      "TiO2": 5.0,
      "Fe2O3": 1.16,
      "CoO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "calcined kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "11005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.5,
      "Al2O3": 17.54,
      "B2O3": 2.68,
      "Na2O": 1.49,
      "K2O": 2.42,
      "MgO": 4.03,
      "CaO": 10.8,
      "P2O5": 0.04,
      "TiO2": 5.09,
      "Fe2O3": 1.28,
      "CuO": 2.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 54.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "calcined kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "11007",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.88,
      "Al2O3": 11.24,
      "B2O3": 4.93,
      "Li2O": 0.91,
      "Na2O": 2.21,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 14.21,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "ZnO": 8.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11008",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.81,
      "Al2O3": 10.19,
      "B2O3": 4.47,
      "Li2O": 0.82,
      "Na2O": 2.0,
      "K2O": 0.06,
      "MgO": 0.02,
      "CaO": 12.88,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.14,
      "ZnO": 7.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "11009",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.41,
      "Al2O3": 18.76,
      "B2O3": 5.17,
      "Li2O": 2.38,
      "Na2O": 2.64,
      "K2O": 0.95,
      "MgO": 3.62,
      "CaO": 6.4,
      "P2O5": 0.17,
      "TiO2": 0.08,
      "MnO2": 0.02,
      "Fe2O3": 1.8,
      "SnO2": 3.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - canadian",
        "amount": 32.0
      },
      {
        "material": "minspar 200",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "yellow ochre",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "11010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.16,
      "Al2O3": 11.07,
      "B2O3": 4.6,
      "Na2O": 3.7,
      "K2O": 5.08,
      "MgO": 0.18,
      "CaO": 6.33,
      "P2O5": 0.0,
      "TiO2": 0.12,
      "Fe2O3": 0.15,
      "CuO": 2.03,
      "ZnO": 0.22,
      "F": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3269",
        "amount": 22.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "11014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.36,
      "Al2O3": 8.9,
      "B2O3": 3.87,
      "Na2O": 3.19,
      "K2O": 1.88,
      "MgO": 5.51,
      "CaO": 10.86,
      "P2O5": 4.13,
      "TiO2": 0.03,
      "FeO": 1.75,
      "Fe2O3": 11.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 46.8
      },
      {
        "material": "gerstley borate",
        "amount": 17.9
      },
      {
        "material": "silica",
        "amount": 15.2
      },
      {
        "material": "talc",
        "amount": 13.8
      },
      {
        "material": "bone ash",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 8.1
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 118.3
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "crocus martis",
        "amount": 6.2
      },
      {
        "material": "total",
        "amount": 136.5
      }
    ]
  },
  {
    "id": "11023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.98,
      "Al2O3": 15.35,
      "B2O3": 2.43,
      "Li2O": 3.69,
      "Na2O": 10.24,
      "K2O": 2.34,
      "MgO": 0.38,
      "CaO": 8.34,
      "P2O5": 0.04,
      "TiO2": 4.58,
      "FeO": 1.76,
      "Fe2O3": 2.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "crocus martis",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "11043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.92,
      "Al2O3": 13.37,
      "Na2O": 2.65,
      "K2O": 5.75,
      "MgO": 1.1,
      "CaO": 5.76,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "MnO": 0.01,
      "MnO2": 0.82,
      "Fe2O3": 7.38,
      "CuO": 1.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 80.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "camadil dolomite",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "11045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.25,
      "Al2O3": 17.61,
      "Li2O": 0.94,
      "Na2O": 4.95,
      "K2O": 3.41,
      "MgO": 1.17,
      "CaO": 2.72,
      "TiO2": 4.89,
      "Fe2O3": 0.13,
      "ZnO": 2.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 72.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11051",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.69,
      "Al2O3": 9.16,
      "Na2O": 2.04,
      "K2O": 4.25,
      "MgO": 1.16,
      "CaO": 11.08,
      "BaO": 4.31,
      "Fe2O3": 0.24,
      "CuO": 0.29,
      "ZnO": 1.11,
      "SnO2": 1.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "camadil dolomite",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.6
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "11062",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.93,
      "Al2O3": 13.78,
      "B2O3": 7.27,
      "Na2O": 5.81,
      "K2O": 2.33,
      "MgO": 1.04,
      "CaO": 5.62,
      "P2O5": 0.04,
      "TiO2": 3.66,
      "Fe2O3": 2.57,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "11090",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.04,
      "Al2O3": 12.6,
      "B2O3": 1.22,
      "Li2O": 3.01,
      "Na2O": 5.6,
      "K2O": 5.51,
      "MgO": 0.03,
      "CaO": 6.12,
      "P2O5": 0.07,
      "TiO2": 4.25,
      "MnO": 0.01,
      "Fe2O3": 3.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - australian",
        "amount": 50.0
      },
      {
        "material": "potclays/bps high alkaline frit",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 120.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 132.0
      }
    ]
  },
  {
    "id": "11126",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.19,
      "Al2O3": 12.57,
      "B2O3": 1.61,
      "Na2O": 3.38,
      "K2O": 1.35,
      "MgO": 4.38,
      "CaO": 7.24,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "ZrO2": 6.43,
      "Fe2O3": 0.19,
      "ZnO": 2.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 19.8
      },
      {
        "material": "talc",
        "amount": 14.1
      },
      {
        "material": "ep kaolin",
        "amount": 13.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.2
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "11144",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.13,
      "Al2O3": 8.75,
      "B2O3": 3.4,
      "Na2O": 1.57,
      "K2O": 3.84,
      "MgO": 5.38,
      "CaO": 10.31,
      "SrO": 0.06,
      "P2O5": 3.85,
      "TiO2": 0.01,
      "Fe2O3": 13.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "gillespie borate",
        "amount": 14.5
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 9.5
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "devon china clay",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "11145",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.43,
      "Al2O3": 10.23,
      "B2O3": 0.44,
      "Na2O": 4.18,
      "K2O": 1.42,
      "MgO": 4.99,
      "CaO": 7.76,
      "SrO": 0.01,
      "P2O5": 6.18,
      "TiO2": 0.01,
      "Fe2O3": 10.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 53.0
      },
      {
        "material": "talc",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "devon china clay",
        "amount": 3.0
      },
      {
        "material": "gillespie borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "11146",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.64,
      "Al2O3": 21.19,
      "B2O3": 0.73,
      "Na2O": 8.9,
      "K2O": 4.11,
      "MgO": 2.8,
      "CaO": 1.33,
      "SrO": 0.01,
      "Fe2O3": 0.16,
      "CuO": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 89.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "gillespie borate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.2
      }
    ]
  },
  {
    "id": "11147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.45,
      "Al2O3": 9.88,
      "B2O3": 4.07,
      "Na2O": 5.82,
      "K2O": 5.73,
      "MgO": 0.56,
      "CaO": 5.21,
      "SrO": 0.05,
      "TiO2": 0.04,
      "ZrO2": 2.66,
      "Fe2O3": 0.26,
      "CuO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.0
      },
      {
        "material": "potclays/bps high alkaline frit",
        "amount": 30.5
      },
      {
        "material": "devon china clay",
        "amount": 20.0
      },
      {
        "material": "gillespie borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "11158",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.48,
      "Al2O3": 11.75,
      "Na2O": 1.51,
      "K2O": 4.97,
      "MgO": 0.04,
      "CaO": 4.42,
      "SrO": 18.91,
      "TiO2": 1.11,
      "Fe2O3": 1.58,
      "CuO": 3.47,
      "ZnO": 10.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 13.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "11159",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.03,
      "Al2O3": 16.66,
      "Li2O": 1.78,
      "Na2O": 5.99,
      "K2O": 2.83,
      "MgO": 0.07,
      "CaO": 0.44,
      "SrO": 17.6,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "CuO": 2.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "strontium carbonate",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "11161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.1,
      "Al2O3": 13.98,
      "B2O3": 1.62,
      "Na2O": 1.98,
      "K2O": 5.77,
      "MgO": 0.27,
      "CaO": 4.81,
      "SrO": 11.64,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "NiO": 1.39,
      "ZnO": 13.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gillespie borate",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "11177",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.43,
      "Al2O3": 14.61,
      "B2O3": 4.84,
      "Na2O": 2.2,
      "K2O": 0.13,
      "MgO": 0.35,
      "CaO": 13.48,
      "P2O5": 0.1,
      "TiO2": 5.42,
      "MnO": 0.02,
      "Fe2O3": 0.91,
      "CuO": 2.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 38.47
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.74
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 21.09
      },
      {
        "material": "silica",
        "amount": 18.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "11193",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.75,
      "Al2O3": 20.0,
      "Na2O": 5.12,
      "K2O": 2.47,
      "MgO": 0.07,
      "CaO": 0.4,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 1.02,
      "Fe2O3": 0.21,
      "ZnO": 25.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.8
      },
      {
        "material": "zinc oxide",
        "amount": 25.2
      },
      {
        "material": "ep kaolin",
        "amount": 20.57
      },
      {
        "material": "silica",
        "amount": 3.43
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "silicon carbide",
        "amount": 18.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "11202",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.3,
      "Al2O3": 13.16,
      "Na2O": 3.96,
      "K2O": 1.89,
      "MgO": 0.05,
      "CaO": 0.3,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 1.01,
      "Fe2O3": 0.12,
      "ZnO": 20.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "11229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.58,
      "Al2O3": 9.71,
      "Na2O": 3.51,
      "K2O": 1.27,
      "MgO": 0.05,
      "CaO": 5.42,
      "TiO2": 1.83,
      "Fe2O3": 0.31,
      "ZnO": 17.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 28.6
      },
      {
        "material": "zinc oxide",
        "amount": 17.1
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "devon china clay",
        "amount": 4.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "11233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 6.23,
      "Na2O": 3.97,
      "K2O": 10.64,
      "MgO": 2.8,
      "CaO": 9.28,
      "P2O5": 5.66,
      "TiO2": 0.05,
      "Fe2O3": 3.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 41.5
      },
      {
        "material": "cornwall stone",
        "amount": 34.5
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11284",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.18,
      "Al2O3": 21.13,
      "B2O3": 0.53,
      "Li2O": 0.73,
      "Na2O": 7.0,
      "K2O": 3.3,
      "MgO": 0.2,
      "CaO": 3.71,
      "P2O5": 0.0,
      "TiO2": 1.87,
      "FeO": 0.13,
      "Fe2O3": 0.75,
      "CoO": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "petalite",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.96,
      "Al2O3": 11.37,
      "B2O3": 0.91,
      "Li2O": 1.85,
      "Na2O": 2.42,
      "K2O": 3.0,
      "MgO": 1.96,
      "CaO": 9.45,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "Fe2O3": 10.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 61.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 98.5
      }
    ]
  },
  {
    "id": "11307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.05,
      "Al2O3": 10.31,
      "B2O3": 9.46,
      "Na2O": 3.4,
      "K2O": 2.5,
      "MgO": 1.61,
      "CaO": 9.94,
      "SrO": 0.17,
      "TiO2": 0.09,
      "ZrO2": 6.49,
      "Fe2O3": 0.15,
      "SnO2": 4.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 60.0
      },
      {
        "material": "gillespie borate",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "11317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.99,
      "Al2O3": 15.2,
      "B2O3": 2.29,
      "Na2O": 5.14,
      "K2O": 1.87,
      "MgO": 0.39,
      "CaO": 2.16,
      "SrO": 18.29,
      "TiO2": 5.22,
      "Fe2O3": 0.1,
      "CuO": 3.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 54.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "devon china clay",
        "amount": 12.0
      },
      {
        "material": "gillespie borate",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "11318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.79,
      "Al2O3": 18.27,
      "B2O3": 5.08,
      "Li2O": 2.38,
      "Na2O": 2.6,
      "K2O": 0.98,
      "MgO": 3.62,
      "CaO": 6.37,
      "SrO": 0.09,
      "P2O5": 0.05,
      "TiO2": 0.03,
      "MnO": 0.01,
      "Fe2O3": 4.08,
      "SnO2": 3.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - australian",
        "amount": 30.0
      },
      {
        "material": "gillespie borate",
        "amount": 20.0
      },
      {
        "material": "bps soda feldspar",
        "amount": 20.0
      },
      {
        "material": "devon china clay",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "11320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.41,
      "Al2O3": 16.53,
      "Na2O": 6.52,
      "K2O": 3.09,
      "MgO": 4.77,
      "CaO": 7.0,
      "TiO2": 0.04,
      "ZrO2": 11.51,
      "Fe2O3": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 62.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "zircopax",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "11324",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.63,
      "Al2O3": 24.23,
      "Na2O": 0.11,
      "K2O": 0.66,
      "MgO": 0.33,
      "CaO": 1.32,
      "TiO2": 1.43,
      "Fe2O3": 2.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 200.0
      },
      {
        "material": "total",
        "amount": 200.0
      }
    ]
  },
  {
    "id": "11336",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.82,
      "Al2O3": 10.47,
      "Li2O": 1.54,
      "Na2O": 3.08,
      "K2O": 2.12,
      "MgO": 5.1,
      "CaO": 8.61,
      "P2O5": 5.96,
      "Fe2O3": 10.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 15.3
      },
      {
        "material": "red iron oxide",
        "amount": 11.7
      },
      {
        "material": "silica",
        "amount": 11.6
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 4.1
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.7
      }
    ]
  },
  {
    "id": "11372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.41,
      "Al2O3": 12.0,
      "Na2O": 1.12,
      "K2O": 4.95,
      "MgO": 0.68,
      "CaO": 0.21,
      "P2O5": 0.09,
      "TiO2": 0.46,
      "MnO2": 23.99,
      "Fe2O3": 3.03,
      "CoO": 2.01,
      "CuO": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "manganese dioxide",
        "amount": 26.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "11405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.07,
      "Al2O3": 11.57,
      "Na2O": 1.39,
      "K2O": 3.28,
      "MgO": 0.04,
      "CaO": 10.25,
      "P2O5": 0.12,
      "TiO2": 3.76,
      "Fe2O3": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 42.09
      },
      {
        "material": "silica",
        "amount": 27.19
      },
      {
        "material": "whiting",
        "amount": 17.62
      },
      {
        "material": "ep kaolin",
        "amount": 13.09
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 4.03
      },
      {
        "material": "rutile",
        "amount": 4.03
      },
      {
        "material": "total",
        "amount": 108.05
      }
    ]
  },
  {
    "id": "11420",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.85,
      "Al2O3": 12.78,
      "B2O3": 5.67,
      "Li2O": 1.83,
      "Na2O": 3.08,
      "K2O": 1.1,
      "MgO": 0.04,
      "CaO": 4.63,
      "Fe2O3": 10.92,
      "CuO": 4.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 28.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "boric acid",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "potash feldspar",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "black copper oxide",
        "amount": 4.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "11423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.44,
      "Al2O3": 15.14,
      "B2O3": 5.02,
      "Na2O": 2.28,
      "K2O": 0.13,
      "MgO": 0.36,
      "CaO": 13.97,
      "P2O5": 0.1,
      "TiO2": 4.7,
      "MnO": 0.02,
      "Fe2O3": 0.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 38.47
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.74
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 21.09
      },
      {
        "material": "silica",
        "amount": 18.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "stain",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "11424",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.48,
      "Al2O3": 11.21,
      "B2O3": 5.32,
      "Na2O": 4.13,
      "K2O": 0.88,
      "MgO": 0.74,
      "CaO": 7.58,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 1.36,
      "MnO": 0.01,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.15
      },
      {
        "material": "ferro frit 3134",
        "amount": 23.07
      },
      {
        "material": "ep kaolin",
        "amount": 17.8
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.62
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 6.27
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 2.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "11426",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.32,
      "Al2O3": 15.11,
      "B2O3": 5.0,
      "Na2O": 2.27,
      "K2O": 0.13,
      "MgO": 0.36,
      "CaO": 13.94,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Cr2O3": 0.2,
      "MnO": 0.02,
      "Fe2O3": 0.34,
      "SnO2": 5.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 38.47
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.74
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 21.09
      },
      {
        "material": "silica",
        "amount": 18.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "11432",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.74,
      "Al2O3": 19.58,
      "Na2O": 4.49,
      "K2O": 3.15,
      "MgO": 4.69,
      "CaO": 7.54,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 1.1,
      "Fe2O3": 0.24,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 58.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "cmc gum",
        "amount": 0.0
      },
      {
        "material": "epsom salts",
        "amount": 0.0
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "11435",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.24,
      "Al2O3": 9.73,
      "B2O3": 7.29,
      "Na2O": 1.53,
      "K2O": 4.92,
      "MgO": 1.44,
      "CaO": 10.81,
      "P2O5": 0.01,
      "TiO2": 0.49,
      "Fe2O3": 0.2,
      "CoO": 0.33,
      "CuO": 0.68,
      "ZnO": 4.25,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "colemanite",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.0
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "11436",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.27,
      "Al2O3": 16.24,
      "B2O3": 1.3,
      "Li2O": 1.7,
      "Na2O": 0.67,
      "K2O": 0.24,
      "MgO": 21.86,
      "CaO": 0.06,
      "ZrO2": 7.95,
      "Fe2O3": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lincoln 60 fireclay",
        "amount": 27.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 25.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "borax",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "11445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.29,
      "Al2O3": 2.27,
      "B2O3": 2.07,
      "Li2O": 0.41,
      "Na2O": 7.79,
      "K2O": 1.2,
      "MgO": 0.16,
      "CaO": 3.86,
      "SrO": 0.01,
      "TiO2": 6.46,
      "Fe2O3": 0.06,
      "CuO": 1.19,
      "ZnO": 22.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 54.2
      },
      {
        "material": "zinc oxide",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 17.3
      },
      {
        "material": "gillespie borate",
        "amount": 3.3
      },
      {
        "material": "lithium carbonate",
        "amount": 1.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "11453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.6,
      "Al2O3": 13.36,
      "Na2O": 2.01,
      "K2O": 6.5,
      "MgO": 0.71,
      "CaO": 1.39,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "MnO2": 17.21,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "manganese dioxide",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "11459",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.98,
      "Al2O3": 9.43,
      "B2O3": 3.27,
      "Na2O": 1.49,
      "K2O": 3.68,
      "MgO": 5.14,
      "CaO": 9.62,
      "SrO": 0.06,
      "P2O5": 3.64,
      "TiO2": 0.02,
      "Fe2O3": 13.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "gillespie borate",
        "amount": 14.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "devon china clay",
        "amount": 10.0
      },
      {
        "material": "bone ash",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "11469",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.9,
      "Al2O3": 13.5,
      "B2O3": 7.86,
      "Na2O": 4.31,
      "K2O": 2.81,
      "MgO": 0.05,
      "CaO": 8.16,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "ZrO2": 5.84,
      "Fe2O3": 0.15,
      "SnO2": 4.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.7
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 17.2
      },
      {
        "material": "ep kaolin",
        "amount": 10.8
      },
      {
        "material": "nepheline syenite",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cmc gum",
        "amount": 0.0
      },
      {
        "material": "epsom salts",
        "amount": 0.0
      },
      {
        "material": "total",
        "amount": 116.9
      }
    ]
  },
  {
    "id": "11521",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.2,
      "Al2O3": 12.25,
      "B2O3": 11.13,
      "Na2O": 5.14,
      "K2O": 0.6,
      "MgO": 0.18,
      "CaO": 11.74,
      "SrO": 3.35,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "MnO": 0.85,
      "Fe2O3": 3.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 84.7
      },
      {
        "material": "ep kaolin",
        "amount": 10.3
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "raw umber",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "11548",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.42,
      "Al2O3": 24.45,
      "Li2O": 1.09,
      "Na2O": 11.22,
      "K2O": 2.91,
      "MgO": 0.23,
      "CaO": 0.55,
      "P2O5": 0.04,
      "TiO2": 0.28,
      "Fe2O3": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.0
      },
      {
        "material": "spodumene",
        "amount": 13.0
      },
      {
        "material": "soda ash",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 10.0
      },
      {
        "material": "redart",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11580",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.98,
      "Al2O3": 16.69,
      "Li2O": 0.03,
      "Na2O": 5.65,
      "K2O": 2.65,
      "MgO": 0.56,
      "CaO": 1.71,
      "SrO": 22.84,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.13,
      "CoO": 2.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.8
      },
      {
        "material": "strontium carbonate",
        "amount": 30.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "silica",
        "amount": 6.6
      },
      {
        "material": "whiting",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "macaloid",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "11616",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.63,
      "Al2O3": 10.96,
      "B2O3": 6.12,
      "Li2O": 0.79,
      "Na2O": 2.23,
      "K2O": 0.2,
      "MgO": 0.07,
      "CaO": 12.65,
      "TiO2": 0.16,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "soda feldspar",
        "amount": 18.0
      },
      {
        "material": "ball clay",
        "amount": 16.0
      },
      {
        "material": "petalite",
        "amount": 16.0
      },
      {
        "material": "calcium borate frit",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11617",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.43,
      "Al2O3": 15.36,
      "Na2O": 3.31,
      "K2O": 2.38,
      "MgO": 2.43,
      "CaO": 8.68,
      "SrO": 1.49,
      "P2O5": 0.02,
      "TiO2": 0.15,
      "Fe2O3": 0.26,
      "CoO": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.0
      },
      {
        "material": "wollastonite",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "11631",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.6,
      "Al2O3": 23.8,
      "Li2O": 1.28,
      "Na2O": 8.04,
      "K2O": 3.11,
      "MgO": 0.1,
      "CaO": 0.67,
      "P2O5": 0.01,
      "TiO2": 0.17,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "minspar 200",
        "amount": 18.4
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11632",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.49,
      "Al2O3": 24.6,
      "Na2O": 7.72,
      "K2O": 3.81,
      "MgO": 0.15,
      "CaO": 0.62,
      "TiO2": 0.26,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11633",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.63,
      "Al2O3": 23.04,
      "Na2O": 16.92,
      "K2O": 3.1,
      "MgO": 0.12,
      "CaO": 0.63,
      "P2O5": 0.03,
      "TiO2": 0.22,
      "Fe2O3": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "soda ash",
        "amount": 19.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "11659",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.8,
      "Al2O3": 13.18,
      "Na2O": 0.98,
      "K2O": 5.2,
      "MgO": 3.13,
      "CaO": 10.21,
      "P2O5": 0.04,
      "TiO2": 6.59,
      "Fe2O3": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.33
      },
      {
        "material": "whiting",
        "amount": 17.3
      },
      {
        "material": "silica",
        "amount": 16.45
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 16.45
      },
      {
        "material": "ep kaolin",
        "amount": 14.01
      },
      {
        "material": "talc",
        "amount": 9.45
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 7.01
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "11661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.8,
      "Al2O3": 12.17,
      "B2O3": 1.06,
      "Na2O": 2.3,
      "K2O": 5.91,
      "MgO": 1.05,
      "CaO": 5.08,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 7.41,
      "CoO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 61.6
      },
      {
        "material": "silica",
        "amount": 19.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.9
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.8
      },
      {
        "material": "whiting",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "11679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.64,
      "Al2O3": 9.72,
      "Na2O": 1.07,
      "K2O": 3.57,
      "MgO": 2.47,
      "CaO": 13.12,
      "P2O5": 0.96,
      "TiO2": 3.35,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.68
      },
      {
        "material": "silica",
        "amount": 28.71
      },
      {
        "material": "whiting",
        "amount": 18.81
      },
      {
        "material": "ep kaolin",
        "amount": 8.91
      },
      {
        "material": "talc",
        "amount": 6.93
      },
      {
        "material": "titanium dioxide",
        "amount": 2.97
      },
      {
        "material": "bone ash",
        "amount": 1.98
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "11680",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.78,
      "Al2O3": 6.06,
      "B2O3": 3.6,
      "Na2O": 11.93,
      "K2O": 1.87,
      "MgO": 0.27,
      "CaO": 5.98,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.18,
      "CuO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 77.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.91,
      "Al2O3": 8.44,
      "B2O3": 4.18,
      "Na2O": 8.99,
      "K2O": 1.44,
      "MgO": 0.43,
      "CaO": 5.52,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 3.4,
      "Fe2O3": 0.26,
      "CuO": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.74,
      "Al2O3": 15.96,
      "B2O3": 2.83,
      "Na2O": 2.13,
      "K2O": 4.22,
      "MgO": 4.82,
      "CaO": 6.21,
      "P2O5": 0.01,
      "TiO2": 4.46,
      "FeO": 0.03,
      "Fe2O3": 0.63,
      "SnO2": 2.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar k 2/75",
        "amount": 32.8
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.1
      },
      {
        "material": "gerstley borate",
        "amount": 10.7
      },
      {
        "material": "wollastonite",
        "amount": 8.2
      },
      {
        "material": "nepheline syenite",
        "amount": 7.9
      },
      {
        "material": "silica",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "iron spangles",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "11723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.86,
      "Al2O3": 11.27,
      "Na2O": 1.22,
      "K2O": 3.85,
      "MgO": 0.43,
      "CaO": 12.14,
      "P2O5": 0.71,
      "TiO2": 0.16,
      "Fe2O3": 9.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.7
      },
      {
        "material": "custer feldspar",
        "amount": 25.5
      },
      {
        "material": "whiting",
        "amount": 19.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.5
      },
      {
        "material": "mixed wood ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "11734",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.45,
      "Al2O3": 22.27,
      "Na2O": 1.52,
      "K2O": 5.98,
      "MgO": 0.06,
      "CaO": 13.02,
      "P2O5": 0.16,
      "Cr2O3": 0.67,
      "Fe2O3": 1.57,
      "CoO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 21.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 1.22
      },
      {
        "material": "chrome oxide",
        "amount": 0.61
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.13
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "11767",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.59,
      "Al2O3": 6.84,
      "B2O3": 5.4,
      "Na2O": 3.32,
      "K2O": 3.06,
      "MgO": 0.55,
      "CaO": 15.99,
      "P2O5": 0.72,
      "TiO2": 0.05,
      "Fe2O3": 0.08,
      "CuO": 3.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.5
      },
      {
        "material": "silica",
        "amount": 23.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 17.4
      },
      {
        "material": "ball clay",
        "amount": 4.7
      },
      {
        "material": "bone ash",
        "amount": 1.6
      },
      {
        "material": "talc",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "11869",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.03,
      "Al2O3": 12.17,
      "Na2O": 1.26,
      "K2O": 4.05,
      "MgO": 0.07,
      "CaO": 11.24,
      "P2O5": 0.03,
      "TiO2": 1.87,
      "Fe2O3": 2.31,
      "ZnO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "11907",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.55,
      "Al2O3": 12.8,
      "B2O3": 4.18,
      "Na2O": 3.12,
      "K2O": 4.25,
      "MgO": 0.01,
      "CaO": 11.95,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.48
      },
      {
        "material": "ferro frit 3124",
        "amount": 29.88
      },
      {
        "material": "wollastonite",
        "amount": 15.38
      },
      {
        "material": "ep kaolin",
        "amount": 7.82
      },
      {
        "material": "silica",
        "amount": 7.43
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "11908",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.99,
      "Al2O3": 13.17,
      "B2O3": 3.23,
      "Na2O": 5.87,
      "K2O": 2.57,
      "MgO": 0.52,
      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 10.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "11913",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.3,
      "Al2O3": 18.05,
      "Na2O": 3.8,
      "K2O": 2.46,
      "MgO": 7.01,
      "CaO": 6.32,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 0.76,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 51.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.1
      },
      {
        "material": "dolomite",
        "amount": 15.6
      },
      {
        "material": "silica",
        "amount": 10.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "11944",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.85,
      "Al2O3": 2.05,
      "B2O3": 26.25,
      "Na2O": 7.72,
      "MgO": 2.16,
      "CaO": 23.6,
      "SrO": 0.25,
      "CuO": 2.78,
      "SnO2": 3.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 50.0
      },
      {
        "material": "gillespie borate",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "11949",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 9.23,
      "Al2O3": 0.62,
      "B2O3": 39.48,
      "Na2O": 12.63,
      "K2O": 0.25,
      "MgO": 2.18,
      "CaO": 22.53,
      "P2O5": 7.99,
      "TiO2": 0.06,
      "Fe2O3": 0.25,
      "CoO": 2.36,
      "CuO": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "borax",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 115.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "11950",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 26.16,
      "Al2O3": 12.36,
      "B2O3": 33.61,
      "Na2O": 0.02,
      "K2O": 0.11,
      "MgO": 0.03,
      "CaO": 18.12,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "Fe2O3": 4.44,
      "CoO": 2.08,
      "CuO": 2.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "11951",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.36,
      "Al2O3": 8.46,
      "B2O3": 31.48,
      "Na2O": 2.72,
      "K2O": 1.83,
      "MgO": 0.09,
      "CaO": 17.45,
      "TiO2": 0.03,
      "ZrO2": 5.79,
      "Fe2O3": 0.13,
      "CuO": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 60.4
      },
      {
        "material": "cornwall stone",
        "amount": 19.8
      },
      {
        "material": "nepheline syenite",
        "amount": 19.8
      },
      {
        "material": "zircopax",
        "amount": 8.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 110.4
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.4
      }
    ]
  },
  {
    "id": "11954",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.99,
      "Al2O3": 16.64,
      "Na2O": 5.67,
      "K2O": 2.92,
      "MgO": 0.15,
      "CaO": 1.63,
      "SrO": 22.52,
      "TiO2": 0.26,
      "Fe2O3": 0.26,
      "CuO": 2.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.3
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "11986",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.84,
      "Al2O3": 17.81,
      "B2O3": 3.74,
      "Li2O": 2.84,
      "Na2O": 5.81,
      "K2O": 2.56,
      "MgO": 0.56,
      "CaO": 10.93,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.58,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "11988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.9,
      "Al2O3": 14.34,
      "Na2O": 3.7,
      "K2O": 2.36,
      "MgO": 1.14,
      "CaO": 2.44,
      "BaO": 15.95,
      "P2O5": 0.03,
      "TiO2": 2.81,
      "Fe2O3": 3.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 55.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "12018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.76,
      "Al2O3": 11.11,
      "Na2O": 1.51,
      "K2O": 4.87,
      "MgO": 0.05,
      "CaO": 8.3,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 5.19,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "12049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.32,
      "Al2O3": 14.52,
      "Na2O": 3.25,
      "K2O": 2.28,
      "MgO": 4.75,
      "CaO": 4.94,
      "SrO": 2.94,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.2,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 102.75
      }
    ]
  },
  {
    "id": "12097",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.62,
      "Al2O3": 13.35,
      "Li2O": 2.46,
      "K2O": 3.86,
      "BaO": 37.32,
      "CuO": 5.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 43.0
      },
      {
        "material": "kaolin",
        "amount": 20.4
      },
      {
        "material": "potash feldspar",
        "amount": 20.4
      },
      {
        "material": "silica",
        "amount": 10.8
      },
      {
        "material": "lithium carbonate",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "12098",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.96,
      "Al2O3": 10.85,
      "B2O3": 6.06,
      "Li2O": 0.79,
      "Na2O": 2.21,
      "K2O": 0.2,
      "MgO": 0.07,
      "CaO": 12.53,
      "TiO2": 0.16,
      "Fe2O3": 0.16,
      "CuO": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "soda feldspar",
        "amount": 18.0
      },
      {
        "material": "ball clay",
        "amount": 16.0
      },
      {
        "material": "petalite",
        "amount": 16.0
      },
      {
        "material": "calcium borate frit",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow stain",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "similar base recipes g14",
        "amount": 5.0
      }
    ]
  },
  {
    "id": "12099",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.43,
      "Al2O3": 16.45,
      "K2O": 11.22,
      "MgO": 2.73,
      "CaO": 8.4,
      "CoO": 1.35,
      "ZnO": 6.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "12118",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.58,
      "Al2O3": 12.67,
      "Na2O": 2.22,
      "K2O": 7.12,
      "MgO": 0.06,
      "CaO": 8.2,
      "TiO2": 2.74,
      "Fe2O3": 2.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 70.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "12159",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.45,
      "Al2O3": 10.19,
      "B2O3": 3.43,
      "Na2O": 3.48,
      "K2O": 1.08,
      "MgO": 0.1,
      "CaO": 15.17,
      "TiO2": 0.23,
      "Cr2O3": 0.21,
      "Fe2O3": 0.23,
      "CoO": 0.41,
      "SnO2": 4.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 104.55
      }
    ]
  },
  {
    "id": "12207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.49,
      "Al2O3": 6.25,
      "Li2O": 2.83,
      "Na2O": 0.89,
      "K2O": 2.97,
      "MgO": 0.78,
      "CaO": 1.18,
      "BaO": 3.85,
      "TiO2": 3.57,
      "Fe2O3": 0.42,
      "CoO": 0.93,
      "ZnO": 19.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 3.6
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 103.6
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "12270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.64,
      "Al2O3": 7.16,
      "B2O3": 1.58,
      "Li2O": 1.24,
      "Na2O": 9.17,
      "K2O": 1.47,
      "MgO": 0.05,
      "CaO": 3.8,
      "SrO": 6.4,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CuO": 3.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 59.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "strontium carbonate",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "12275",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.7,
      "Al2O3": 11.16,
      "Na2O": 1.55,
      "K2O": 5.18,
      "CaO": 6.73,
      "BaO": 1.9,
      "Fe2O3": 9.33,
      "ZnO": 2.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "12285",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.57,
      "Al2O3": 4.97,
      "B2O3": 4.69,
      "Na2O": 20.79,
      "K2O": 1.82,
      "MgO": 0.36,
      "CaO": 6.67,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 66.0
      },
      {
        "material": "soda ash",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.23,
      "Al2O3": 17.25,
      "Na2O": 1.23,
      "K2O": 4.14,
      "MgO": 5.1,
      "CaO": 9.17,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "CoO": 1.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "12296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.17,
      "Al2O3": 10.7,
      "B2O3": 2.59,
      "Na2O": 1.88,
      "K2O": 5.3,
      "MgO": 2.68,
      "CaO": 9.48,
      "TiO2": 0.09,
      "Fe2O3": 10.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "colemanite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 110.1
      }
    ]
  },
  {
    "id": "12341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.03,
      "Al2O3": 10.22,
      "B2O3": 3.29,
      "Na2O": 2.07,
      "K2O": 5.3,
      "MgO": 2.51,
      "CaO": 7.2,
      "SrO": 3.56,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CuO": 1.34,
      "ZnO": 3.15,
      "SnO2": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.22
      },
      {
        "material": "silica",
        "amount": 18.04
      },
      {
        "material": "gerstley borate",
        "amount": 11.77
      },
      {
        "material": "dolomite",
        "amount": 9.07
      },
      {
        "material": "strontium carbonate",
        "amount": 4.86
      },
      {
        "material": "ep kaolin",
        "amount": 3.02
      },
      {
        "material": "whiting",
        "amount": 3.02
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.02
      },
      {
        "material": "zinc oxide",
        "amount": 3.02
      },
      {
        "material": "copper carbonate",
        "amount": 1.99
      },
      {
        "material": "total",
        "amount": 108.03
      }
    ]
  },
  {
    "id": "12352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.57,
      "Al2O3": 12.09,
      "B2O3": 4.47,
      "Na2O": 1.93,
      "K2O": 4.19,
      "MgO": 5.88,
      "CaO": 10.71,
      "P2O5": 0.02,
      "TiO2": 0.28,
      "Fe2O3": 0.29,
      "CoO": 0.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.34
      },
      {
        "material": "dolomite",
        "amount": 20.2
      },
      {
        "material": "silica",
        "amount": 17.17
      },
      {
        "material": "gerstley borate",
        "amount": 14.14
      },
      {
        "material": "tennessee ball clay",
        "amount": 14.14
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.76
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "12385",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.38,
      "Al2O3": 15.37,
      "B2O3": 2.64,
      "Na2O": 1.22,
      "K2O": 6.03,
      "MgO": 4.91,
      "CaO": 6.43,
      "P2O5": 0.05,
      "TiO2": 4.38,
      "FeO": 0.03,
      "Fe2O3": 0.68,
      "SnO2": 2.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 16.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "iron spangles",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "12393",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.54,
      "Al2O3": 13.7,
      "B2O3": 6.8,
      "Na2O": 5.23,
      "K2O": 2.1,
      "MgO": 0.98,
      "CaO": 9.97,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 1.15,
      "SnO2": 8.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.7
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 16.7
      },
      {
        "material": "ep kaolin",
        "amount": 8.3
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.3
      },
      {
        "material": "bentonite",
        "amount": 2.2
      },
      {
        "material": "red iron oxide",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 111.4
      }
    ]
  },
  {
    "id": "12445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.56,
      "Al2O3": 9.59,
      "B2O3": 2.54,
      "Na2O": 4.17,
      "K2O": 0.16,
      "MgO": 6.43,
      "CaO": 11.15,
      "P2O5": 4.47,
      "TiO2": 0.18,
      "Fe2O3": 9.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 25.42
      },
      {
        "material": "ball clay",
        "amount": 18.13
      },
      {
        "material": "dolomite",
        "amount": 12.01
      },
      {
        "material": "talc",
        "amount": 12.01
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.3
      },
      {
        "material": "silica",
        "amount": 11.25
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "12466",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.83,
      "Al2O3": 12.79,
      "Li2O": 1.74,
      "Na2O": 1.83,
      "K2O": 5.91,
      "MgO": 0.05,
      "CaO": 1.41,
      "BaO": 21.53,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Cr2O3": 0.64,
      "Fe2O3": 0.18,
      "CuO": 2.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 55.0
      },
      {
        "material": "barium carbonate",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 105.6
      }
    ]
  },
  {
    "id": "12467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.53,
      "Al2O3": 10.9,
      "Na2O": 1.05,
      "K2O": 3.33,
      "MgO": 2.68,
      "CaO": 13.98,
      "P2O5": 0.48,
      "TiO2": 0.05,
      "Fe2O3": 0.21,
      "CuO": 5.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "whiting",
        "amount": 22.4
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "talc",
        "amount": 7.8
      },
      {
        "material": "bone ash",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "12561",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.12,
      "Al2O3": 24.68,
      "Li2O": 0.23,
      "Na2O": 13.71,
      "K2O": 3.25,
      "MgO": 0.29,
      "CaO": 0.55,
      "P2O5": 0.02,
      "TiO2": 0.26,
      "Fe2O3": 0.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 16.5
      },
      {
        "material": "soda ash",
        "amount": 15.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.5
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.0
      },
      {
        "material": "redart",
        "amount": 7.0
      },
      {
        "material": "spodumene",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12563",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.5,
      "Al2O3": 12.19,
      "Na2O": 0.02,
      "K2O": 6.39,
      "MgO": 1.85,
      "CaO": 12.21,
      "TiO2": 0.32,
      "Fe2O3": 0.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 33.0
      },
      {
        "material": "tinkar z",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12565",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.12,
      "Al2O3": 11.02,
      "Na2O": 0.02,
      "K2O": 5.77,
      "MgO": 1.68,
      "CaO": 11.03,
      "TiO2": 0.29,
      "Fe2O3": 10.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 33.0
      },
      {
        "material": "tinkar z",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "12566",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.17,
      "Al2O3": 10.29,
      "Na2O": 0.02,
      "K2O": 5.39,
      "MgO": 1.57,
      "CaO": 10.31,
      "TiO2": 4.99,
      "Fe2O3": 0.44,
      "CoO": 0.44,
      "NiO": 0.94,
      "ZnO": 9.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 33.0
      },
      {
        "material": "tinkar z",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 116.5
      }
    ]
  },
  {
    "id": "12581",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.71,
      "Al2O3": 16.6,
      "Li2O": 1.28,
      "Na2O": 1.77,
      "K2O": 2.81,
      "MgO": 3.14,
      "CaO": 4.74,
      "P2O5": 0.08,
      "TiO2": 0.24,
      "Fe2O3": 5.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 75.0
      },
      {
        "material": "petalite",
        "amount": 25.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "12659",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.37,
      "Al2O3": 10.5,
      "Li2O": 4.77,
      "Na2O": 3.51,
      "K2O": 0.04,
      "MgO": 0.01,
      "CaO": 14.27,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 27.3
      },
      {
        "material": "wollastonite",
        "amount": 27.2
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.7
      },
      {
        "material": "lithium carbonate",
        "amount": 10.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "12706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.13,
      "Al2O3": 16.92,
      "K2O": 11.44,
      "MgO": 2.47,
      "CaO": 11.02,
      "SnO2": 9.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 5.15,
      "Al2O3": 0.32,
      "B2O3": 8.54,
      "Na2O": 2.77,
      "K2O": 21.81,
      "MgO": 11.39,
      "CaO": 20.13,
      "P2O5": 10.63,
      "TiO2": 15.39,
      "MnO": 1.69,
      "Fe2O3": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hardwood ash",
        "amount": 57.0
      },
      {
        "material": "gerstley borate",
        "amount": 28.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12732",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.95,
      "Al2O3": 9.29,
      "B2O3": 3.3,
      "Na2O": 3.37,
      "K2O": 1.02,
      "MgO": 0.07,
      "CaO": 14.62,
      "TiO2": 0.19,
      "Cr2O3": 0.21,
      "Fe2O3": 0.21,
      "SnO2": 7.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "12739",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.25,
      "Al2O3": 10.86,
      "B2O3": 4.24,
      "Na2O": 2.51,
      "K2O": 1.94,
      "MgO": 1.84,
      "CaO": 10.47,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 8.18,
      "CoO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "12750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.06,
      "Al2O3": 16.07,
      "Li2O": 1.16,
      "Na2O": 6.08,
      "K2O": 2.9,
      "MgO": 0.08,
      "CaO": 0.45,
      "BaO": 22.16,
      "TiO2": 0.07,
      "Fe2O3": 0.13,
      "CuO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ball clay",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 113.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "12798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.18,
      "Al2O3": 17.4,
      "Li2O": 1.35,
      "Na2O": 6.4,
      "K2O": 3.04,
      "MgO": 0.17,
      "CaO": 0.51,
      "SrO": 15.28,
      "TiO2": 0.07,
      "Fe2O3": 0.28,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.5
      },
      {
        "material": "strontium carbonate",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 7.7
      },
      {
        "material": "ball clay",
        "amount": 6.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "12806",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.02,
      "Al2O3": 11.1,
      "Na2O": 0.69,
      "K2O": 2.71,
      "CaO": 13.71,
      "P2O5": 0.69,
      "TiO2": 1.77,
      "Fe2O3": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "p45 - silica podere morticini",
        "amount": 45.45
      },
      {
        "material": "p50 mixed wood ash",
        "amount": 28.41
      },
      {
        "material": "p54 pratoleva kaolin",
        "amount": 26.14
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12811",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.88,
      "Al2O3": 11.24,
      "B2O3": 4.93,
      "Li2O": 0.91,
      "Na2O": 2.21,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 14.21,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "ZnO": 8.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.78,
      "Al2O3": 5.09,
      "B2O3": 10.56,
      "K2O": 3.85,
      "MgO": 2.58,
      "CaO": 9.15,
      "ZnO": 18.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 21.0
      },
      {
        "material": "calcium borate frit",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12940",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.03,
      "Al2O3": 14.27,
      "B2O3": 13.2,
      "Na2O": 2.89,
      "K2O": 1.66,
      "MgO": 0.16,
      "CaO": 10.25,
      "TiO2": 0.25,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 27.0
      },
      {
        "material": "calcium borate frit",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12941",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.25,
      "Al2O3": 11.59,
      "B2O3": 9.58,
      "Li2O": 2.4,
      "K2O": 0.09,
      "MgO": 0.04,
      "CaO": 7.04,
      "ZnO": 3.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite",
        "amount": 49.0
      },
      {
        "material": "calcium borate frit",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "wollastonite",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12942",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.81,
      "Al2O3": 15.49,
      "Li2O": 2.15,
      "Na2O": 4.92,
      "K2O": 2.42,
      "MgO": 0.1,
      "CaO": 8.53,
      "TiO2": 0.16,
      "Fe2O3": 0.21,
      "ZnO": 4.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "wollastonite",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12943",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.15,
      "Al2O3": 10.91,
      "B2O3": 7.98,
      "K2O": 5.47,
      "MgO": 2.36,
      "CaO": 7.49,
      "ZnO": 10.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "calcium borate frit",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12944",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.41,
      "Al2O3": 14.5,
      "Na2O": 2.87,
      "K2O": 1.35,
      "MgO": 0.03,
      "CaO": 12.82,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12949",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.42,
      "Al2O3": 20.78,
      "Na2O": 6.17,
      "K2O": 2.9,
      "MgO": 0.06,
      "CaO": 8.36,
      "Fe2O3": 0.06,
      "ZnO": 3.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.0
      },
      {
        "material": "kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12952",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.88,
      "Al2O3": 13.43,
      "Na2O": 2.18,
      "K2O": 1.96,
      "MgO": 0.02,
      "CaO": 8.66,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 6.72,
      "CoO": 0.84,
      "ZnO": 8.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "12970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 5.0,
      "B2O3": 0.92,
      "Na2O": 6.73,
      "K2O": 1.49,
      "MgO": 2.67,
      "CaO": 18.05,
      "P2O5": 5.05,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 31.37
      },
      {
        "material": "silica",
        "amount": 23.53
      },
      {
        "material": "nepheline syenite",
        "amount": 12.75
      },
      {
        "material": "bone ash",
        "amount": 10.78
      },
      {
        "material": "dolomite",
        "amount": 10.78
      },
      {
        "material": "whiting",
        "amount": 8.82
      },
      {
        "material": "total base recipe",
        "amount": 98.03
      },
      {
        "material": "bentonite",
        "amount": 1.96
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "12974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.29,
      "Al2O3": 12.56,
      "B2O3": 6.58,
      "Na2O": 2.1,
      "K2O": 0.66,
      "MgO": 1.3,
      "CaO": 14.01,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "ZrO2": 1.17,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 91.5
      }
    ]
  },
  {
    "id": "12978",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.93,
      "Al2O3": 13.26,
      "Na2O": 0.06,
      "K2O": 7.94,
      "MgO": 0.04,
      "CaO": 9.58,
      "Fe2O3": 9.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.8
      },
      {
        "material": "silica",
        "amount": 23.9
      },
      {
        "material": "whiting",
        "amount": 17.4
      },
      {
        "material": "kaolin",
        "amount": 10.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.8
      }
    ]
  },
  {
    "id": "12996",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.77,
      "Al2O3": 17.37,
      "Na2O": 3.0,
      "K2O": 10.61,
      "CaO": 3.55,
      "SrO": 3.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 89.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "12997",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.3,
      "Al2O3": 20.02,
      "Na2O": 5.88,
      "K2O": 3.14,
      "MgO": 8.86,
      "CaO": 5.41,
      "TiO2": 0.03,
      "Fe2O3": 0.19,
      "ZnO": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "devon china clay",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "13003",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "13011",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.46,
      "Al2O3": 17.29,
      "Na2O": 1.69,
      "K2O": 5.45,
      "MgO": 0.07,
      "CaO": 13.09,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.29,
      "CoO": 2.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "13012",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.77,
      "Al2O3": 10.41,
      "Na2O": 1.77,
      "K2O": 5.85,
      "MgO": 1.14,
      "CaO": 14.43,
      "P2O5": 1.14,
      "Fe2O3": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.7
      },
      {
        "material": "whiting",
        "amount": 20.7
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 3.2
      },
      {
        "material": "yellow ochre",
        "amount": 1.62
      },
      {
        "material": "bentonite",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 99.97
      }
    ]
  },
  {
    "id": "13035",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.23,
      "Al2O3": 13.19,
      "Na2O": 1.57,
      "K2O": 5.59,
      "MgO": 0.72,
      "CaO": 11.03,
      "TiO2": 0.02,
      "Fe2O3": 9.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "devon china clay",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "13036",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.16,
      "Al2O3": 9.09,
      "B2O3": 8.02,
      "Na2O": 2.35,
      "K2O": 3.85,
      "MgO": 1.33,
      "CaO": 7.56,
      "SrO": 0.15,
      "TiO2": 0.01,
      "ZrO2": 7.34,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gillespie borate",
        "amount": 30.0
      },
      {
        "material": "bps potash feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "devon china clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "13107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.26,
      "Al2O3": 12.69,
      "Na2O": 0.84,
      "K2O": 3.14,
      "MgO": 0.07,
      "CaO": 12.33,
      "BaO": 1.64,
      "TiO2": 0.01,
      "Fe2O3": 0.91,
      "SnO2": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.3
      },
      {
        "material": "custer feldspar",
        "amount": 24.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.6
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "barium carbonate",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.65
      }
    ]
  },
  {
    "id": "13113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.77,
      "Al2O3": 10.4,
      "Na2O": 1.47,
      "K2O": 4.95,
      "MgO": 0.5,
      "CaO": 13.32,
      "P2O5": 0.93,
      "TiO2": 0.1,
      "MnO": 0.16,
      "Fe2O3": 2.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.3
      },
      {
        "material": "silica",
        "amount": 31.3
      },
      {
        "material": "whiting",
        "amount": 19.8
      },
      {
        "material": "ep kaolin",
        "amount": 8.3
      },
      {
        "material": "mixed wood ash",
        "amount": 6.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 3.1
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "barnard slip",
        "amount": 4.2
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.3
      }
    ]
  },
  {
    "id": "13114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.26,
      "Al2O3": 8.82,
      "B2O3": 3.71,
      "Na2O": 2.11,
      "K2O": 4.99,
      "MgO": 0.63,
      "CaO": 8.52,
      "SrO": 3.22,
      "P2O5": 0.32,
      "TiO2": 0.02,
      "Cr2O3": 0.11,
      "Fe2O3": 1.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.5
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.6
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "ep kaolin",
        "amount": 2.7
      },
      {
        "material": "mixed wood ash",
        "amount": 2.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "13119",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.83,
      "Al2O3": 15.88,
      "B2O3": 1.18,
      "Na2O": 4.81,
      "K2O": 3.53,
      "MgO": 0.22,
      "CaO": 1.72,
      "SrO": 20.65,
      "TiO2": 2.81,
      "Fe2O3": 0.17,
      "CuO": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 27.5
      },
      {
        "material": "bps soda feldspar",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 26.5
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 7.5
      },
      {
        "material": "devon china clay",
        "amount": 6.0
      },
      {
        "material": "gillespie borate",
        "amount": 4.5
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.65
      },
      {
        "material": "titanium dioxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 107.15
      }
    ]
  },
  {
    "id": "13122",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.26,
      "Al2O3": 9.49,
      "B2O3": 0.99,
      "Na2O": 1.33,
      "K2O": 3.77,
      "MgO": 0.21,
      "CaO": 9.41,
      "BaO": 4.14,
      "P2O5": 0.0,
      "TiO2": 0.13,
      "MnO2": 3.03,
      "Fe2O3": 9.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.5
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "whiting",
        "amount": 15.7
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.7
      },
      {
        "material": "barium carbonate",
        "amount": 5.5
      },
      {
        "material": "gerstley borate",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.8
      },
      {
        "material": "manganese dioxide",
        "amount": 3.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.4
      }
    ]
  },
  {
    "id": "13137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.96,
      "Al2O3": 17.65,
      "B2O3": 1.46,
      "Li2O": 1.91,
      "Na2O": 4.28,
      "K2O": 1.48,
      "MgO": 5.46,
      "CaO": 8.63,
      "SrO": 0.03,
      "TiO2": 0.01,
      "Fe2O3": 1.18,
      "SnO2": 5.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 44.44
      },
      {
        "material": "dolomite",
        "amount": 22.22
      },
      {
        "material": "spodumene",
        "amount": 22.22
      },
      {
        "material": "gillespie borate",
        "amount": 5.56
      },
      {
        "material": "devon china clay",
        "amount": 5.56
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.56
      },
      {
        "material": "red iron oxide",
        "amount": 1.11
      },
      {
        "material": "total",
        "amount": 106.67
      }
    ]
  },
  {
    "id": "13177",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.34,
      "Al2O3": 18.1,
      "B2O3": 3.39,
      "Li2O": 2.22,
      "Na2O": 3.36,
      "K2O": 1.2,
      "MgO": 4.48,
      "CaO": 7.41,
      "SrO": 0.06,
      "TiO2": 0.02,
      "Fe2O3": 2.72,
      "SnO2": 4.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 12.5
      },
      {
        "material": "gillespie borate",
        "amount": 12.5
      },
      {
        "material": "devon china clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 2.5
      },
      {
        "material": "talc",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "tin oxide",
        "amount": 4.25
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 101.75
      }
    ]
  },
  {
    "id": "13178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.03,
      "Al2O3": 18.33,
      "B2O3": 3.64,
      "Li2O": 2.29,
      "Na2O": 3.27,
      "K2O": 1.17,
      "MgO": 4.4,
      "CaO": 7.3,
      "SrO": 0.07,
      "TiO2": 0.02,
      "Fe2O3": 1.91,
      "SnO2": 4.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 27.0
      },
      {
        "material": "gillespie borate",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "devon china clay",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.3
      },
      {
        "material": "red iron oxide",
        "amount": 1.8
      },
      {
        "material": "total",
        "amount": 106.1
      }
    ]
  },
  {
    "id": "13186",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.86,
      "Al2O3": 9.66,
      "B2O3": 6.76,
      "Na2O": 2.9,
      "K2O": 1.03,
      "MgO": 0.92,
      "CaO": 18.52,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "13187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.52,
      "Al2O3": 9.45,
      "B2O3": 6.61,
      "Na2O": 2.84,
      "K2O": 1.01,
      "MgO": 0.89,
      "CaO": 18.11,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Fe2O3": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "13219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.96,
      "Al2O3": 11.49,
      "Na2O": 1.1,
      "K2O": 4.09,
      "MgO": 8.99,
      "CaO": 7.96,
      "P2O5": 0.12,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 25.0
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 22.0
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "13245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.27,
      "Al2O3": 18.0,
      "B2O3": 2.93,
      "Li2O": 2.14,
      "Na2O": 3.58,
      "K2O": 1.26,
      "MgO": 4.71,
      "CaO": 7.7,
      "SrO": 0.05,
      "TiO2": 0.02,
      "Fe2O3": 2.31,
      "SnO2": 5.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps soda feldspar",
        "amount": 34.66
      },
      {
        "material": "spodumene",
        "amount": 25.33
      },
      {
        "material": "dolomite",
        "amount": 15.33
      },
      {
        "material": "gillespie borate",
        "amount": 11.33
      },
      {
        "material": "devon china clay",
        "amount": 9.34
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 4.74
      },
      {
        "material": "red iron oxide",
        "amount": 2.22
      },
      {
        "material": "total",
        "amount": 106.95
      }
    ]
  },
  {
    "id": "15416",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 0.0
      },
      {
        "material": "calculated oxide weight",
        "amount": 0.0
      },
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "15506",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 0.0
      },
      {
        "material": "calculated oxide weight",
        "amount": 639.373
      },
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "16226",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.42,
      "Al2O3": 10.22,
      "B2O3": 3.14,
      "Li2O": 3.83,
      "Na2O": 0.76,
      "K2O": 1.41,
      "MgO": 3.26,
      "CaO": 5.69,
      "P2O5": 0.01,
      "TiO2": 0.49,
      "Cr2O3": 0.59,
      "MnO": 2.38,
      "Fe2O3": 10.23,
      "NiO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 58.0
      },
      {
        "material": "petalite",
        "amount": 17.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "black nickel oxide",
        "amount": 0.5
      },
      {
        "material": "soda ash",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "16304",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.89,
      "Al2O3": 17.95,
      "Li2O": 0.44,
      "Na2O": 6.45,
      "K2O": 3.1,
      "MgO": 0.1,
      "CaO": 0.49,
      "SrO": 15.29,
      "TiO2": 0.11,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.28,
      "Al2O3": 9.96,
      "B2O3": 5.55,
      "Na2O": 3.97,
      "K2O": 2.27,
      "MgO": 0.75,
      "CaO": 5.37,
      "BaO": 4.82,
      "P2O5": 0.02,
      "TiO2": 3.75,
      "Fe2O3": 0.51,
      "CoO": 0.65,
      "ZnO": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "kaolin",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "16306",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.75,
      "Al2O3": 14.28,
      "Na2O": 0.09,
      "K2O": 6.49,
      "MgO": 0.36,
      "CaO": 9.27,
      "P2O5": 0.08,
      "TiO2": 0.29,
      "Fe2O3": 1.64,
      "CoO": 1.02,
      "ZnO": 8.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 30.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "16328",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.86,
      "Al2O3": 17.3,
      "Li2O": 0.43,
      "Na2O": 6.21,
      "K2O": 2.99,
      "MgO": 0.09,
      "CaO": 0.47,
      "SrO": 14.73,
      "TiO2": 2.94,
      "Fe2O3": 0.48,
      "CoO": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "16330",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.28,
      "Al2O3": 18.49,
      "Na2O": 5.5,
      "K2O": 2.74,
      "MgO": 6.29,
      "CaO": 12.3,
      "TiO2": 3.27,
      "Fe2O3": 0.62,
      "CoO": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "dolomite",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "16337",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.06,
      "Al2O3": 12.83,
      "B2O3": 2.86,
      "Li2O": 1.34,
      "Na2O": 3.47,
      "K2O": 1.44,
      "MgO": 6.7,
      "CaO": 6.17,
      "TiO2": 0.0,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 19.0
      },
      {
        "material": "talc",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "16338",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 18.17,
      "B2O3": 5.71,
      "Li2O": 3.86,
      "Na2O": 3.77,
      "K2O": 1.55,
      "MgO": 0.81,
      "CaO": 8.38,
      "P2O5": 0.1,
      "TiO2": 0.13,
      "Cr2O3": 1.18,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "16342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.87,
      "Al2O3": 9.68,
      "B2O3": 1.27,
      "Li2O": 1.99,
      "Na2O": 0.2,
      "K2O": 0.05,
      "MgO": 0.17,
      "CaO": 11.58,
      "SrO": 2.0,
      "P2O5": 0.02,
      "TiO2": 1.74,
      "ZrO2": 7.66,
      "Cr2O3": 1.68,
      "Fe2O3": 2.03,
      "CoO": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 12.0
      },
      {
        "material": "iron chromate",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 118.1
      }
    ]
  },
  {
    "id": "16390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.58,
      "Al2O3": 20.36,
      "Li2O": 14.95,
      "K2O": 0.3,
      "MgO": 0.28,
      "CaO": 0.08,
      "TiO2": 0.12,
      "Cr2O3": 1.15,
      "MnO": 0.7,
      "FeO": 1.32,
      "CoO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 60.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "16394",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.46,
      "Al2O3": 15.49,
      "Li2O": 5.71,
      "Na2O": 1.74,
      "K2O": 5.74,
      "MgO": 11.96,
      "CaO": 0.2,
      "ZrO2": 7.24,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 23.0
      },
      {
        "material": "lincoln 60 fireclay",
        "amount": 17.0
      },
      {
        "material": "lithium carbonate",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "16423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.23,
      "Al2O3": 11.0,
      "B2O3": 0.91,
      "Na2O": 1.26,
      "K2O": 3.54,
      "MgO": 0.21,
      "CaO": 16.71,
      "P2O5": 0.0,
      "TiO2": 0.14,
      "Fe2O3": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.25
      },
      {
        "material": "silica",
        "amount": 26.88
      },
      {
        "material": "whiting",
        "amount": 26.88
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.75
      },
      {
        "material": "gerstley borate",
        "amount": 3.23
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "yellow ochre",
        "amount": 7.52
      },
      {
        "material": "bentonite",
        "amount": 2.15
      },
      {
        "material": "total",
        "amount": 109.66
      }
    ]
  },
  {
    "id": "16426",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.48,
      "Al2O3": 17.2,
      "Na2O": 1.72,
      "K2O": 2.37,
      "MgO": 0.12,
      "CaO": 22.46,
      "P2O5": 0.06,
      "TiO2": 0.19,
      "MnO": 0.12,
      "Fe2O3": 0.78,
      "SnO2": 4.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "barnard slip",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "16427",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.7,
      "Al2O3": 11.71,
      "Na2O": 1.42,
      "K2O": 4.74,
      "MgO": 0.91,
      "CaO": 7.89,
      "BaO": 7.24,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 2.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.39
      },
      {
        "material": "silica",
        "amount": 23.43
      },
      {
        "material": "whiting",
        "amount": 12.56
      },
      {
        "material": "ep kaolin",
        "amount": 9.19
      },
      {
        "material": "barium carbonate",
        "amount": 8.62
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 2.81
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
  {
    "id": "16475",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.25,
      "Al2O3": 9.64,
      "Na2O": 2.67,
      "K2O": 1.68,
      "MgO": 0.04,
      "CaO": 8.83,
      "P2O5": 0.01,
      "TiO2": 4.89,
      "Fe2O3": 0.13,
      "CuO": 3.14,
      "ZnO": 11.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "16483",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.99,
      "Al2O3": 8.78,
      "B2O3": 6.38,
      "Na2O": 3.76,
      "K2O": 3.03,
      "MgO": 0.84,
      "CaO": 14.53,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO": 0.02,
      "Fe2O3": 0.14,
      "CuO": 0.48,
      "SnO2": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.0
      },
      {
        "material": "wollastonite - vansil",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "camadil dolomite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "16500",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.21,
      "Al2O3": 20.97,
      "B2O3": 2.11,
      "Na2O": 2.18,
      "K2O": 3.38,
      "MgO": 0.29,
      "CaO": 1.66,
      "SrO": 15.76,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.05,
      "ZnO": 3.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.21
      },
      {
        "material": "strontium carbonate",
        "amount": 19.79
      },
      {
        "material": "nepheline syenite",
        "amount": 16.82
      },
      {
        "material": "potash feldspar",
        "amount": 12.86
      },
      {
        "material": "silica",
        "amount": 10.42
      },
      {
        "material": "gerstley borate",
        "amount": 6.93
      },
      {
        "material": "zinc oxide",
        "amount": 2.97
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16503",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.37,
      "Al2O3": 11.22,
      "B2O3": 0.93,
      "Li2O": 2.57,
      "Na2O": 2.4,
      "K2O": 2.96,
      "MgO": 1.98,
      "CaO": 9.49,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "Fe2O3": 10.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 67.33
      },
      {
        "material": "whiting",
        "amount": 8.99
      },
      {
        "material": "dolomite",
        "amount": 7.89
      },
      {
        "material": "lithium carbonate",
        "amount": 6.19
      },
      {
        "material": "silica",
        "amount": 6.19
      },
      {
        "material": "gerstley borate",
        "amount": 3.4
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 11.19
      },
      {
        "material": "total",
        "amount": 111.18
      }
    ]
  },
  {
    "id": "16543",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.21,
      "Al2O3": 10.66,
      "B2O3": 4.84,
      "Li2O": 1.24,
      "Na2O": 5.02,
      "K2O": 2.08,
      "MgO": 0.72,
      "CaO": 9.37,
      "P2O5": 0.02,
      "TiO2": 3.8,
      "Fe2O3": 0.6,
      "CoO": 0.66,
      "ZnO": 1.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.1
      },
      {
        "material": "silica",
        "amount": 27.7
      },
      {
        "material": "gerstley borate",
        "amount": 17.2
      },
      {
        "material": "whiting",
        "amount": 9.4
      },
      {
        "material": "lithium carbonate",
        "amount": 2.9
      },
      {
        "material": "zinc oxide",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "16544",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.25,
      "Al2O3": 17.25,
      "B2O3": 2.93,
      "Na2O": 1.54,
      "K2O": 0.63,
      "MgO": 4.83,
      "CaO": 12.95,
      "P2O5": 0.12,
      "TiO2": 0.16,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 40.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16568",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.33,
      "Al2O3": 17.64,
      "B2O3": 3.7,
      "Li2O": 2.81,
      "Na2O": 5.75,
      "K2O": 2.54,
      "MgO": 0.74,
      "CaO": 10.83,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.58,
      "Fe2O3": 0.21,
      "CuO": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "16570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.16,
      "Al2O3": 17.91,
      "B2O3": 3.76,
      "Li2O": 2.86,
      "Na2O": 5.84,
      "K2O": 2.58,
      "MgO": 0.56,
      "CaO": 10.99,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "blue heron stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "16573",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.05,
      "Al2O3": 19.76,
      "Na2O": 6.92,
      "K2O": 3.24,
      "MgO": 1.76,
      "CaO": 5.82,
      "Fe2O3": 0.14,
      "ZnO": 4.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "16579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.06,
      "Al2O3": 11.93,
      "Na2O": 1.4,
      "K2O": 5.36,
      "MgO": 3.46,
      "CaO": 7.75,
      "P2O5": 5.53,
      "Fe2O3": 9.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cendre d'os (solargil 2018)",
        "amount": 13.0
      },
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 13.0
      },
      {
        "material": "fer oxyde naturel (solargil 2018)",
        "amount": 11.0
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "16584",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.21,
      "Al2O3": 13.12,
      "K2O": 6.09,
      "MgO": 1.73,
      "CaO": 5.9,
      "TiO2": 13.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.73
      },
      {
        "material": "silica",
        "amount": 26.67
      },
      {
        "material": "kaolin",
        "amount": 17.46
      },
      {
        "material": "whiting",
        "amount": 11.32
      },
      {
        "material": "talc",
        "amount": 5.83
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "titanium dioxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.01
      }
    ]
  },
  {
    "id": "16587",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.71,
      "Al2O3": 11.1,
      "Na2O": 2.52,
      "K2O": 1.22,
      "MgO": 3.17,
      "CaO": 7.91,
      "P2O5": 5.75,
      "Fe2O3": 11.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.69
      },
      {
        "material": "néphéline syenite (solargil 2018)",
        "amount": 25.55
      },
      {
        "material": "cendre d'os (solargil 2018)",
        "amount": 15.69
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 13.65
      },
      {
        "material": "iron oxide",
        "amount": 13.0
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 10.43
      },
      {
        "material": "total",
        "amount": 113.01
      },
      {
        "material": "specific gravity",
        "amount": 1.4
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "16590",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.65,
      "Al2O3": 11.11,
      "Na2O": 4.02,
      "K2O": 2.38,
      "MgO": 0.25,
      "CaO": 9.17,
      "BaO": 22.03,
      "TiO2": 0.03,
      "Fe2O3": 0.45,
      "CuO": 2.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 27.17
      },
      {
        "material": "nepheline syenite",
        "amount": 27.17
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 16.3
      },
      {
        "material": "wollastonite",
        "amount": 16.3
      },
      {
        "material": "albany slip discontinued",
        "amount": 7.61
      },
      {
        "material": "silica",
        "amount": 5.43
      },
      {
        "material": "total base recipe",
        "amount": 99.98
      },
      {
        "material": "copper carbonate",
        "amount": 4.35
      },
      {
        "material": "total",
        "amount": 104.33
      }
    ]
  },
  {
    "id": "16592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.74,
      "Al2O3": 13.81,
      "B2O3": 0.25,
      "Na2O": 5.46,
      "K2O": 2.15,
      "MgO": 0.05,
      "CaO": 10.15,
      "BaO": 7.21,
      "P2O5": 0.03,
      "TiO2": 2.82,
      "Fe2O3": 5.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "16593",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.13,
      "Al2O3": 17.81,
      "B2O3": 3.7,
      "Li2O": 5.15,
      "Na2O": 7.09,
      "K2O": 3.14,
      "MgO": 0.56,
      "CaO": 9.6,
      "P2O5": 0.03,
      "TiO2": 4.63,
      "Cr2O3": 0.06,
      "Fe2O3": 0.17,
      "CoO": 0.72,
      "CuO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 104.05
      }
    ]
  },
  {
    "id": "16618",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.95,
      "Al2O3": 14.0,
      "Na2O": 4.36,
      "K2O": 2.05,
      "MgO": 3.46,
      "CaO": 4.97,
      "SrO": 16.32,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.25,
      "Fe2O3": 3.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 93.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16643",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.24,
      "Al2O3": 16.17,
      "Na2O": 6.74,
      "MgO": 2.69,
      "CaO": 4.14,
      "Fe2O3": 6.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 54.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16646",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.3,
      "Al2O3": 13.83,
      "B2O3": 17.64,
      "Na2O": 6.36,
      "K2O": 0.26,
      "MgO": 1.34,
      "CaO": 10.97,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 34.7
      },
      {
        "material": "ferro frit 3195",
        "amount": 26.3
      },
      {
        "material": "ep kaolin",
        "amount": 21.1
      },
      {
        "material": "ferro frit 3249",
        "amount": 10.5
      },
      {
        "material": "ferro frit 3110",
        "amount": 7.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16650",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.46,
      "Al2O3": 12.83,
      "Na2O": 1.66,
      "K2O": 5.56,
      "MgO": 2.94,
      "CaO": 10.51,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "ZnO": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "16712",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.52,
      "Al2O3": 9.85,
      "Na2O": 1.17,
      "K2O": 4.51,
      "MgO": 0.08,
      "CaO": 9.08,
      "P2O5": 0.12,
      "TiO2": 2.87,
      "Fe2O3": 0.46,
      "CoO": 0.94,
      "CuO": 3.03,
      "ZnO": 5.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 26.3
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 15.8
      },
      {
        "material": "ball clay hsm (solargil 2018)",
        "amount": 10.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "16750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.29,
      "Al2O3": 11.22,
      "Li2O": 0.94,
      "MgO": 2.24,
      "CaO": 11.62,
      "SrO": 17.56,
      "CuO": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 17.5
      },
      {
        "material": "petalite",
        "amount": 17.0
      },
      {
        "material": "wollastonite",
        "amount": 15.5
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "16752",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.99,
      "Al2O3": 8.7,
      "Na2O": 0.03,
      "K2O": 6.24,
      "MgO": 8.76,
      "CaO": 11.79,
      "TiO2": 0.08,
      "Fe2O3": 0.08,
      "CoO": 0.11,
      "CuO": 1.14,
      "ZnO": 4.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.1
      },
      {
        "material": "silica",
        "amount": 17.9
      },
      {
        "material": "dolomite",
        "amount": 14.3
      },
      {
        "material": "talc",
        "amount": 14.3
      },
      {
        "material": "whiting",
        "amount": 10.7
      },
      {
        "material": "ball clay",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 101.15
      }
    ]
  },
  {
    "id": "16753",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.25,
      "Al2O3": 12.74,
      "Na2O": 1.94,
      "K2O": 2.93,
      "MgO": 7.28,
      "CaO": 7.45,
      "TiO2": 0.01,
      "Fe2O3": 0.17,
      "ZnO": 3.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 32.0
      },
      {
        "material": "talc",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "16755",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.73,
      "Al2O3": 12.55,
      "B2O3": 8.31,
      "Na2O": 5.9,
      "K2O": 0.18,
      "MgO": 0.05,
      "CaO": 13.13,
      "TiO2": 0.0,
      "Fe2O3": 0.04,
      "CuO": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "calcium borate frit",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 96.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
  {
    "id": "16757",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.89,
      "Al2O3": 9.46,
      "Li2O": 1.4,
      "Na2O": 0.01,
      "K2O": 6.89,
      "MgO": 0.02,
      "CaO": 0.01,
      "BaO": 31.13,
      "TiO2": 0.0,
      "Fe2O3": 0.04,
      "NiO": 1.72,
      "ZnO": 3.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 35.0
      },
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 96.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 97.5
      }
    ]
  },
  {
    "id": "16767",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.7,
      "Al2O3": 13.69,
      "Na2O": 1.94,
      "K2O": 6.25,
      "MgO": 2.61,
      "CaO": 10.85,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO": 0.01,
      "Fe2O3": 6.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "wollastonite - vansil",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "talc - amtalc c98/pioneer",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "16770",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.85,
      "Al2O3": 14.29,
      "Na2O": 1.1,
      "K2O": 3.56,
      "MgO": 0.65,
      "CaO": 16.15,
      "TiO2": 0.37,
      "MnO": 0.04,
      "Fe2O3": 6.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite - vansil",
        "amount": 36.0
      },
      {
        "material": "custer feldspar",
        "amount": 33.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "16778",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.91,
      "Al2O3": 11.82,
      "Na2O": 5.64,
      "K2O": 0.02,
      "MgO": 5.48,
      "CaO": 9.54,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.05,
      "CoO": 0.8,
      "ZnO": 5.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 42.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "16785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.16,
      "Al2O3": 12.49,
      "K2O": 11.54,
      "MgO": 3.79,
      "CaO": 5.28,
      "TiO2": 2.92,
      "Fe2O3": 0.32,
      "CoO": 1.09,
      "ZnO": 18.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 63.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "16814",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.88,
      "Al2O3": 9.48,
      "Li2O": 4.84,
      "Na2O": 2.16,
      "K2O": 2.44,
      "CaO": 2.0,
      "BaO": 22.15,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "barium carbonate",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "16817",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.96,
      "Al2O3": 17.42,
      "B2O3": 0.53,
      "Na2O": 4.07,
      "K2O": 2.74,
      "MgO": 7.4,
      "CaO": 6.75,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "SnO2": 3.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 9.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.8
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.6
      }
    ]
  },
  {
    "id": "16827",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.57,
      "Al2O3": 9.46,
      "B2O3": 13.28,
      "Na2O": 4.83,
      "K2O": 0.2,
      "MgO": 0.08,
      "CaO": 9.35,
      "TiO2": 1.08,
      "Fe2O3": 9.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 28.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "16829",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.78,
      "Al2O3": 11.38,
      "B2O3": 6.03,
      "Li2O": 0.78,
      "Na2O": 2.53,
      "K2O": 1.19,
      "MgO": 2.53,
      "CaO": 6.85,
      "BaO": 1.68,
      "P2O5": 0.03,
      "TiO2": 0.08,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "cornwall stone",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 19.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16830",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.11,
      "Al2O3": 8.88,
      "B2O3": 9.08,
      "Na2O": 3.69,
      "K2O": 3.52,
      "MgO": 0.6,
      "CaO": 10.6,
      "BaO": 8.38,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16831",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.76,
      "Al2O3": 7.91,
      "B2O3": 12.72,
      "Na2O": 4.63,
      "K2O": 0.23,
      "MgO": 0.04,
      "CaO": 8.99,
      "TiO2": 0.83,
      "Fe2O3": 8.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "16845",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.77,
      "Al2O3": 8.93,
      "Na2O": 1.44,
      "K2O": 3.09,
      "MgO": 0.57,
      "CaO": 14.8,
      "TiO2": 0.12,
      "Cr2O3": 0.24,
      "MnO": 0.03,
      "Fe2O3": 0.25,
      "SnO2": 5.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 41.0
      },
      {
        "material": "wollastonite - vansil",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 106.25
      }
    ]
  },
  {
    "id": "16857",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.77,
      "Al2O3": 5.59,
      "B2O3": 11.6,
      "Na2O": 5.16,
      "K2O": 0.78,
      "MgO": 4.42,
      "CaO": 15.12,
      "TiO2": 1.85,
      "ZrO2": 8.09,
      "Fe2O3": 1.76,
      "SnO2": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 55.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "potash feldspar",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "16861",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.0,
      "Al2O3": 10.25,
      "B2O3": 5.03,
      "Li2O": 3.02,
      "Na2O": 1.85,
      "K2O": 2.32,
      "MgO": 2.19,
      "CaO": 7.07,
      "P2O5": 0.02,
      "TiO2": 0.24,
      "ZrO2": 6.31,
      "Fe2O3": 3.01,
      "SnO2": 4.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 48.77
      },
      {
        "material": "gerstley borate",
        "amount": 16.29
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 8.14
      },
      {
        "material": "silica",
        "amount": 8.14
      },
      {
        "material": "zircopax",
        "amount": 8.14
      },
      {
        "material": "lithium carbonate",
        "amount": 6.44
      },
      {
        "material": "tin oxide",
        "amount": 4.07
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "16875",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 21.03,
      "Al2O3": 3.76,
      "B2O3": 5.24,
      "Li2O": 61.97,
      "Na2O": 2.39,
      "K2O": 0.26,
      "CaO": 5.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "16946",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.6,
      "Al2O3": 2.07,
      "B2O3": 1.21,
      "Li2O": 0.75,
      "Na2O": 7.06,
      "K2O": 1.1,
      "MgO": 1.65,
      "CaO": 2.91,
      "TiO2": 6.43,
      "Fe2O3": 0.06,
      "CoO": 0.14,
      "CuO": 1.18,
      "ZnO": 24.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "zinc oxide",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 15.5
      },
      {
        "material": "talc",
        "amount": 5.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 111.25
      }
    ]
  },
  {
    "id": "16950",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.7,
      "Al2O3": 9.73,
      "Na2O": 3.58,
      "K2O": 1.68,
      "MgO": 5.53,
      "CaO": 8.58,
      "Fe2O3": 0.04,
      "ZnO": 11.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 36.0
      },
      {
        "material": "talc",
        "amount": 17.0
      },
      {
        "material": "wollastonite",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16959",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.64,
      "Al2O3": 16.9,
      "Na2O": 2.58,
      "K2O": 3.39,
      "MgO": 0.12,
      "CaO": 13.94,
      "P2O5": 0.03,
      "TiO2": 0.16,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 70.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16962",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.14,
      "Al2O3": 11.42,
      "B2O3": 7.95,
      "Na2O": 5.06,
      "K2O": 1.67,
      "MgO": 2.5,
      "CaO": 8.69,
      "BaO": 0.05,
      "P2O5": 0.2,
      "TiO2": 0.96,
      "MnO": 0.08,
      "Fe2O3": 3.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 27.0
      },
      {
        "material": "tholeiite volcano - icelandic basalt",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "16972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.18,
      "Al2O3": 28.05,
      "Na2O": 0.72,
      "K2O": 2.68,
      "MgO": 0.37,
      "CaO": 0.41,
      "P2O5": 0.07,
      "TiO2": 1.2,
      "Fe2O3": 1.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "xx sagger ball clay",
        "amount": 55.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 13.32,
      "B2O3": 7.68,
      "K2O": 6.38,
      "MgO": 1.23,
      "CaO": 12.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "calcium borate frit",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "16989",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.89,
      "Al2O3": 16.63,
      "Na2O": 5.33,
      "K2O": 0.41,
      "MgO": 5.22,
      "CaO": 8.99,
      "TiO2": 0.01,
      "Fe2O3": 0.15,
      "CoO": 0.75,
      "ZnO": 5.35,
      "SnO2": 4.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 42.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 107.75
      }
    ]
  },
  {
    "id": "16996",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.15,
      "Al2O3": 6.98,
      "B2O3": 6.53,
      "Li2O": 0.62,
      "Na2O": 1.9,
      "K2O": 1.9,
      "MgO": 1.54,
      "CaO": 4.84,
      "P2O5": 0.12,
      "TiO2": 0.5,
      "MnO2": 29.79,
      "Fe2O3": 3.16,
      "NiO": 2.51,
      "CuO": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 57.0
      },
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 45.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "black nickel oxide",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 153.3
      }
    ]
  },
  {
    "id": "17018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.14,
      "Al2O3": 1.91,
      "B2O3": 1.36,
      "Li2O": 2.1,
      "Na2O": 7.85,
      "K2O": 1.22,
      "CaO": 3.24,
      "ZnO": 23.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "zinc oxide",
        "amount": 22.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17033",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.46,
      "Al2O3": 7.93,
      "B2O3": 6.02,
      "Na2O": 2.11,
      "K2O": 4.14,
      "MgO": 1.53,
      "CaO": 12.43,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CuO": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17048",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.77,
      "Al2O3": 14.89,
      "Na2O": 3.94,
      "K2O": 2.96,
      "MgO": 0.14,
      "CaO": 11.89,
      "P2O5": 0.01,
      "TiO2": 4.07,
      "Fe2O3": 0.28,
      "ZnO": 8.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "cornwall stone",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "17049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.07,
      "Al2O3": 20.91,
      "Li2O": 2.08,
      "Na2O": 5.75,
      "K2O": 2.76,
      "MgO": 0.08,
      "CaO": 7.58,
      "P2O5": 0.05,
      "TiO2": 3.33,
      "Fe2O3": 0.21,
      "ZnO": 11.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.9
      },
      {
        "material": "ep kaolin",
        "amount": 17.9
      },
      {
        "material": "whiting",
        "amount": 11.7
      },
      {
        "material": "zinc oxide",
        "amount": 10.3
      },
      {
        "material": "lithium carbonate",
        "amount": 4.7
      },
      {
        "material": "silica",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.19,
      "Al2O3": 16.7,
      "B2O3": 1.2,
      "Na2O": 3.38,
      "K2O": 4.69,
      "MgO": 0.23,
      "CaO": 11.15,
      "P2O5": 0.0,
      "TiO2": 2.02,
      "Fe2O3": 0.4,
      "ZnO": 10.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17057",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.94,
      "Al2O3": 14.77,
      "Na2O": 8.76,
      "K2O": 0.02,
      "MgO": 5.41,
      "CaO": 7.48,
      "SrO": 10.01,
      "Fe2O3": 0.08,
      "CuO": 1.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 64.15
      },
      {
        "material": "dolomite",
        "amount": 21.35
      },
      {
        "material": "strontium carbonate",
        "amount": 12.44
      },
      {
        "material": "bentonite",
        "amount": 2.07
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 2.07
      },
      {
        "material": "total",
        "amount": 102.08
      }
    ]
  },
  {
    "id": "17068",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.92,
      "Al2O3": 6.18,
      "B2O3": 14.06,
      "Na2O": 6.25,
      "K2O": 1.66,
      "MgO": 1.07,
      "CaO": 15.17,
      "TiO2": 3.52,
      "Fe2O3": 2.25,
      "CoO": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 63.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "potash feldspar",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "17070",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.99,
      "Al2O3": 13.17,
      "B2O3": 3.23,
      "Na2O": 5.87,
      "K2O": 2.57,
      "MgO": 0.52,
      "CaO": 8.37,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 10.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "17072",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.35,
      "Al2O3": 11.64,
      "B2O3": 4.71,
      "Na2O": 2.73,
      "K2O": 2.14,
      "MgO": 0.02,
      "CaO": 14.1,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17083",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.66,
      "Al2O3": 14.19,
      "K2O": 10.92,
      "CaO": 8.78,
      "ZrO2": 6.58,
      "ZnO": 5.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 66.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "17086",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.37,
      "Al2O3": 12.03,
      "Na2O": 1.13,
      "K2O": 3.8,
      "MgO": 1.31,
      "CaO": 12.1,
      "BaO": 0.85,
      "TiO2": 0.0,
      "FeO": 0.34,
      "Fe2O3": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.1
      },
      {
        "material": "dolomite",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.2
      },
      {
        "material": "barium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.2
      }
    ]
  },
  {
    "id": "17110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.43,
      "Al2O3": 10.03,
      "K2O": 6.97,
      "CaO": 8.09,
      "TiO2": 4.12,
      "ZnO": 12.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "17118",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.14,
      "Al2O3": 1.91,
      "B2O3": 1.36,
      "Li2O": 2.1,
      "Na2O": 7.85,
      "K2O": 1.22,
      "CaO": 3.24,
      "ZnO": 23.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "zinc oxide",
        "amount": 22.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17200",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.96,
      "Al2O3": 13.29,
      "Na2O": 1.41,
      "K2O": 6.22,
      "MgO": 1.29,
      "CaO": 10.84,
      "P2O5": 0.03,
      "TiO2": 7.38,
      "Fe2O3": 1.57,
      "ZnO": 8.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "volcanic ash",
        "amount": 35.0
      },
      {
        "material": "potash feldspar",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "17204",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.8,
      "Al2O3": 11.64,
      "Na2O": 1.0,
      "K2O": 5.41,
      "MgO": 1.2,
      "CaO": 12.06,
      "P2O5": 0.02,
      "TiO2": 0.13,
      "Fe2O3": 11.84,
      "ZnO": 7.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "volcanic ash",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "17221",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.97,
      "Al2O3": 6.24,
      "B2O3": 15.22,
      "Na2O": 1.83,
      "K2O": 0.86,
      "MgO": 4.2,
      "CaO": 8.31,
      "Fe2O3": 13.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "17222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.71,
      "Al2O3": 13.58,
      "B2O3": 6.41,
      "Na2O": 5.6,
      "K2O": 2.62,
      "MgO": 0.1,
      "CaO": 9.81,
      "TiO2": 4.54,
      "Fe2O3": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "colemanite",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "17228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.07,
      "Al2O3": 7.64,
      "B2O3": 6.27,
      "Na2O": 4.44,
      "K2O": 0.02,
      "MgO": 4.21,
      "CaO": 9.19,
      "Fe2O3": 0.08,
      "CuO": 2.42,
      "ZnO": 6.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.5
      },
      {
        "material": "silica",
        "amount": 30.1
      },
      {
        "material": "dolomite",
        "amount": 17.7
      },
      {
        "material": "colemanite",
        "amount": 11.5
      },
      {
        "material": "zinc oxide",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "17248",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.51,
      "Al2O3": 9.11,
      "B2O3": 12.61,
      "Li2O": 1.93,
      "Na2O": 11.57,
      "K2O": 4.03,
      "MgO": 0.01,
      "CaO": 2.36,
      "Fe2O3": 4.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.0
      },
      {
        "material": "borax",
        "amount": 27.0
      },
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "yellow ochre",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17262",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 14.25,
      "B2O3": 4.71,
      "Na2O": 5.75,
      "K2O": 2.54,
      "MgO": 0.68,
      "CaO": 13.0,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.3
      },
      {
        "material": "silica",
        "amount": 19.7
      },
      {
        "material": "gerstley borate",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.58,
      "Al2O3": 12.1,
      "B2O3": 3.03,
      "Na2O": 5.82,
      "K2O": 8.18,
      "MgO": 2.33,
      "CaO": 8.58,
      "P2O5": 4.44,
      "TiO2": 2.73,
      "Fe2O3": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 32.5
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 27.5
      },
      {
        "material": "kaolin",
        "amount": 22.5
      },
      {
        "material": "silica",
        "amount": 17.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17271",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.8,
      "Al2O3": 17.06,
      "Na2O": 0.93,
      "K2O": 3.62,
      "MgO": 1.07,
      "CaO": 11.79,
      "TiO2": 0.01,
      "Fe2O3": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 25.75
      },
      {
        "material": "calcined grolleg kaolin",
        "amount": 16.75
      },
      {
        "material": "whiting",
        "amount": 16.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.45
      },
      {
        "material": "total",
        "amount": 100.45
      }
    ]
  },
  {
    "id": "17282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.35,
      "Al2O3": 10.43,
      "Na2O": 1.49,
      "K2O": 5.04,
      "MgO": 1.57,
      "CaO": 10.28,
      "P2O5": 0.9,
      "TiO2": 0.0,
      "Fe2O3": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.6
      },
      {
        "material": "silica",
        "amount": 30.1
      },
      {
        "material": "whiting",
        "amount": 11.4
      },
      {
        "material": "dolomite",
        "amount": 6.7
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "17320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 78.16,
      "Al2O3": 11.33,
      "Na2O": 4.77,
      "K2O": 2.24,
      "MgO": 0.05,
      "CaO": 0.34,
      "Fe2O3": 0.05,
      "CoO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "helmer kaolin",
        "amount": 80.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "17334",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.27,
      "Al2O3": 15.06,
      "B2O3": 8.94,
      "Na2O": 7.45,
      "K2O": 1.21,
      "MgO": 1.06,
      "CaO": 8.33,
      "P2O5": 0.12,
      "TiO2": 0.16,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17337",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.33,
      "Al2O3": 14.55,
      "B2O3": 8.64,
      "Na2O": 7.2,
      "K2O": 1.17,
      "MgO": 1.03,
      "CaO": 8.05,
      "P2O5": 0.12,
      "TiO2": 0.16,
      "Cr2O3": 1.13,
      "Fe2O3": 0.37,
      "SnO2": 2.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17339",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.54,
      "Al2O3": 14.87,
      "B2O3": 8.83,
      "Na2O": 7.36,
      "K2O": 1.19,
      "MgO": 1.05,
      "CaO": 8.23,
      "P2O5": 0.12,
      "TiO2": 0.16,
      "Cr2O3": 0.07,
      "Fe2O3": 0.43,
      "ZnO": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.36,
      "Al2O3": 13.77,
      "B2O3": 8.17,
      "Na2O": 6.81,
      "K2O": 1.1,
      "MgO": 0.97,
      "CaO": 7.62,
      "P2O5": 0.11,
      "TiO2": 4.44,
      "Cr2O3": 4.29,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "17343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.92,
      "Al2O3": 9.86,
      "B2O3": 20.1,
      "Na2O": 3.29,
      "K2O": 0.18,
      "MgO": 0.08,
      "CaO": 13.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcium borate frit",
        "amount": 39.0
      },
      {
        "material": "soda feldspar",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17354",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.07,
      "Al2O3": 5.86,
      "B2O3": 1.8,
      "Li2O": 3.23,
      "Na2O": 2.71,
      "K2O": 1.17,
      "MgO": 1.75,
      "CaO": 8.74,
      "SrO": 1.46,
      "P2O5": 0.01,
      "TiO2": 10.0,
      "Fe2O3": 0.05,
      "CoO": 0.16,
      "SnO2": 4.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.71
      },
      {
        "material": "nepheline syenite",
        "amount": 24.7
      },
      {
        "material": "whiting",
        "amount": 12.86
      },
      {
        "material": "lithium carbonate",
        "amount": 7.89
      },
      {
        "material": "gerstley borate",
        "amount": 6.69
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.09
      },
      {
        "material": "strontium carbonate",
        "amount": 2.06
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 9.93
      },
      {
        "material": "tin oxide",
        "amount": 3.97
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 114.15
      }
    ]
  },
  {
    "id": "17356",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.8,
      "Al2O3": 17.11,
      "B2O3": 3.72,
      "Na2O": 3.33,
      "K2O": 3.48,
      "MgO": 0.02,
      "CaO": 9.39,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 8.39,
      "CoO": 1.8,
      "ZnO": 3.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "calcined kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "17357",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.43,
      "Al2O3": 8.81,
      "B2O3": 2.82,
      "Na2O": 1.4,
      "K2O": 3.31,
      "MgO": 0.42,
      "CaO": 15.46,
      "P2O5": 0.01,
      "TiO2": 0.15,
      "Fe2O3": 6.29,
      "ZnO": 7.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.04
      },
      {
        "material": "silica",
        "amount": 23.36
      },
      {
        "material": "whiting",
        "amount": 23.36
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 11.85
      },
      {
        "material": "gerstley borate",
        "amount": 10.39
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.79
      },
      {
        "material": "red iron oxide",
        "amount": 6.32
      },
      {
        "material": "total",
        "amount": 114.11
      }
    ]
  },
  {
    "id": "17358",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.19,
      "Al2O3": 18.44,
      "Na2O": 7.63,
      "K2O": 3.58,
      "MgO": 15.94,
      "CaO": 0.56,
      "TiO2": 4.96,
      "Fe2O3": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "17359",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.13,
      "Al2O3": 7.37,
      "B2O3": 4.05,
      "Na2O": 4.18,
      "K2O": 1.48,
      "MgO": 1.41,
      "CaO": 11.79,
      "Fe2O3": 0.09,
      "CuO": 1.34,
      "ZnO": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "17361",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.37,
      "Al2O3": 3.23,
      "B2O3": 2.06,
      "Li2O": 3.92,
      "Na2O": 11.92,
      "K2O": 1.86,
      "MgO": 0.04,
      "CaO": 4.92,
      "Fe2O3": 16.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 89.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "17362",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.12,
      "Al2O3": 8.7,
      "B2O3": 2.4,
      "Li2O": 1.57,
      "Na2O": 2.7,
      "K2O": 3.54,
      "MgO": 1.22,
      "CaO": 8.97,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.21,
      "Fe2O3": 0.15,
      "CoO": 0.39,
      "SnO2": 5.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.6
      },
      {
        "material": "lithium carbonate",
        "amount": 3.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.6
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "17363",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.57,
      "Al2O3": 5.63,
      "B2O3": 7.89,
      "Na2O": 2.42,
      "K2O": 0.92,
      "MgO": 5.27,
      "CaO": 6.69,
      "P2O5": 0.56,
      "TiO2": 0.05,
      "Fe2O3": 14.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.6
      },
      {
        "material": "silica",
        "amount": 29.61
      },
      {
        "material": "minspar 200",
        "amount": 19.68
      },
      {
        "material": "talc",
        "amount": 13.81
      },
      {
        "material": "ep kaolin",
        "amount": 5.05
      },
      {
        "material": "bone ash",
        "amount": 1.26
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 15.14
      },
      {
        "material": "total",
        "amount": 115.15
      }
    ]
  },
  {
    "id": "17364",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.27,
      "Al2O3": 16.84,
      "B2O3": 3.15,
      "Li2O": 2.85,
      "Na2O": 5.18,
      "K2O": 2.29,
      "MgO": 0.52,
      "CaO": 9.27,
      "P2O5": 0.05,
      "TiO2": 6.64,
      "Fe2O3": 0.28,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.6
      },
      {
        "material": "ep kaolin",
        "amount": 13.3
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "whiting",
        "amount": 11.1
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.2
      }
    ]
  },
  {
    "id": "17365",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.38,
      "Al2O3": 19.16,
      "B2O3": 1.84,
      "Li2O": 2.78,
      "Na2O": 3.4,
      "K2O": 1.48,
      "MgO": 0.07,
      "CaO": 1.77,
      "SrO": 10.98,
      "TiO2": 5.05,
      "Fe2O3": 0.13,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 27.44
      },
      {
        "material": "nepheline syenite",
        "amount": 26.13
      },
      {
        "material": "strontium carbonate",
        "amount": 15.58
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.37
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.04
      },
      {
        "material": "silica",
        "amount": 7.04
      },
      {
        "material": "lithium carbonate",
        "amount": 1.41
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "titanium dioxide",
        "amount": 5.03
      },
      {
        "material": "copper carbonate",
        "amount": 3.02
      },
      {
        "material": "total",
        "amount": 108.06
      }
    ]
  },
  {
    "id": "17366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.76,
      "Al2O3": 11.92,
      "B2O3": 3.78,
      "Na2O": 3.99,
      "K2O": 1.5,
      "MgO": 1.01,
      "CaO": 9.61,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.12,
      "CuO": 1.04,
      "ZnO": 3.11,
      "SnO2": 2.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17367",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.78,
      "Al2O3": 4.27,
      "B2O3": 2.86,
      "Li2O": 1.99,
      "Na2O": 1.28,
      "K2O": 0.04,
      "MgO": 4.99,
      "CaO": 12.12,
      "SrO": 2.75,
      "P2O5": 2.1,
      "TiO2": 0.04,
      "Fe2O3": 0.08,
      "CoO": 4.94,
      "SnO2": 11.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.0
      },
      {
        "material": "dolomite",
        "amount": 23.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.8
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "tin oxide",
        "amount": 12.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "17368",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.08,
      "Al2O3": 7.21,
      "B2O3": 5.19,
      "Na2O": 3.49,
      "K2O": 3.75,
      "MgO": 0.95,
      "CaO": 12.23,
      "Fe2O3": 0.11,
      "CuO": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "17369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.39,
      "Al2O3": 14.88,
      "B2O3": 4.98,
      "Na2O": 2.24,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 14.57,
      "P2O5": 0.1,
      "TiO2": 0.15,
      "Cr2O3": 0.2,
      "Fe2O3": 0.29,
      "SnO2": 5.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 38.47
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.74
      },
      {
        "material": "wollastonite",
        "amount": 21.09
      },
      {
        "material": "silica",
        "amount": 18.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "17370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 9.5,
      "B2O3": 4.89,
      "Na2O": 3.29,
      "K2O": 1.3,
      "MgO": 0.67,
      "CaO": 7.1,
      "SrO": 9.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CuO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.53,
      "Al2O3": 6.77,
      "B2O3": 2.09,
      "Li2O": 1.84,
      "Na2O": 3.01,
      "K2O": 1.29,
      "MgO": 1.75,
      "CaO": 9.22,
      "SrO": 1.15,
      "P2O5": 0.01,
      "TiO2": 3.71,
      "Fe2O3": 0.54,
      "SnO2": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.84
      },
      {
        "material": "nepheline syenite",
        "amount": 26.23
      },
      {
        "material": "whiting",
        "amount": 13.01
      },
      {
        "material": "gerstley borate",
        "amount": 7.61
      },
      {
        "material": "lithium carbonate",
        "amount": 4.4
      },
      {
        "material": "talc",
        "amount": 4.3
      },
      {
        "material": "strontium carbonate",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.99
      }
    ]
  },
  {
    "id": "17372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.58,
      "Al2O3": 8.51,
      "B2O3": 2.82,
      "Na2O": 2.1,
      "K2O": 0.58,
      "MgO": 3.58,
      "CaO": 12.87,
      "P2O5": 5.77,
      "TiO2": 0.06,
      "Fe2O3": 12.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 23.7
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "bone ash",
        "amount": 10.7
      },
      {
        "material": "minspar 200",
        "amount": 10.08
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.9
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 76.48
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 86.48
      }
    ]
  },
  {
    "id": "17374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.29,
      "Al2O3": 7.83,
      "B2O3": 2.98,
      "Na2O": 2.65,
      "K2O": 4.23,
      "MgO": 1.95,
      "CaO": 11.04,
      "SrO": 3.09,
      "P2O5": 0.71,
      "Fe2O3": 0.12,
      "CuO": 0.51,
      "SnO2": 2.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.2
      },
      {
        "material": "silica",
        "amount": 25.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "dolomite",
        "amount": 8.3
      },
      {
        "material": "whiting",
        "amount": 8.1
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "bone ash",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 105.25
      }
    ]
  },
  {
    "id": "17375",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.66,
      "Al2O3": 15.04,
      "B2O3": 2.22,
      "Na2O": 4.4,
      "K2O": 2.19,
      "MgO": 0.01,
      "CaO": 2.71,
      "SrO": 18.18,
      "P2O5": 0.04,
      "TiO2": 5.13,
      "Fe2O3": 0.14,
      "CuO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 51.3
      },
      {
        "material": "strontium carbonate",
        "amount": 25.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "17376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.13,
      "Al2O3": 10.56,
      "B2O3": 6.34,
      "Na2O": 4.71,
      "K2O": 1.21,
      "MgO": 3.34,
      "CaO": 10.46,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "minspar 200",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "17377",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.04,
      "Al2O3": 18.94,
      "B2O3": 0.98,
      "Li2O": 2.19,
      "Na2O": 3.33,
      "K2O": 1.4,
      "MgO": 0.04,
      "CaO": 1.07,
      "SrO": 12.55,
      "P2O5": 0.03,
      "TiO2": 5.07,
      "Fe2O3": 0.12,
      "CuO": 3.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.72
      },
      {
        "material": "spodumene",
        "amount": 27.59
      },
      {
        "material": "strontium carbonate",
        "amount": 18.05
      },
      {
        "material": "ep kaolin",
        "amount": 12.17
      },
      {
        "material": "silica",
        "amount": 8.11
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.07
      },
      {
        "material": "titanium dioxide",
        "amount": 5.07
      },
      {
        "material": "total",
        "amount": 110.14
      }
    ]
  },
  {
    "id": "17378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.3,
      "Al2O3": 9.84,
      "B2O3": 3.31,
      "Na2O": 3.35,
      "K2O": 1.04,
      "MgO": 0.09,
      "CaO": 14.64,
      "TiO2": 0.22,
      "Cr2O3": 0.21,
      "Fe2O3": 0.22,
      "SnO2": 7.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "17379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.21,
      "Al2O3": 20.07,
      "B2O3": 2.67,
      "Na2O": 8.1,
      "K2O": 3.67,
      "MgO": 0.43,
      "CaO": 5.58,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 3.85,
      "Fe2O3": 0.15,
      "CoO": 1.37,
      "CuO": 2.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.8
      },
      {
        "material": "gerstley borate",
        "amount": 10.1
      },
      {
        "material": "whiting",
        "amount": 5.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.5
      },
      {
        "material": "manganese dioxide",
        "amount": 4.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.2
      },
      {
        "material": "total",
        "amount": 111.2
      }
    ]
  },
  {
    "id": "17429",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.84,
      "Al2O3": 16.48,
      "Li2O": 0.84,
      "Na2O": 6.23,
      "K2O": 2.95,
      "MgO": 0.33,
      "CaO": 0.49,
      "SrO": 18.19,
      "TiO2": 0.05,
      "Fe2O3": 0.25,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.5
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "17452",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.43,
      "Al2O3": 10.39,
      "B2O3": 2.27,
      "Na2O": 2.05,
      "K2O": 1.72,
      "MgO": 7.45,
      "CaO": 7.28,
      "SrO": 0.05,
      "BaO": 0.04,
      "P2O5": 3.62,
      "TiO2": 0.19,
      "Fe2O3": 10.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "talc - cps",
        "amount": 22.4
      },
      {
        "material": "calcined kaolin g1",
        "amount": 18.4
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 11.9
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "kaolin g1",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 7.7
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 7.7
      },
      {
        "material": "wollastonite",
        "amount": 3.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.78,
      "Al2O3": 10.26,
      "B2O3": 2.26,
      "Na2O": 2.03,
      "K2O": 1.7,
      "MgO": 4.4,
      "CaO": 11.3,
      "SrO": 0.05,
      "BaO": 0.04,
      "P2O5": 3.6,
      "TiO2": 0.19,
      "Fe2O3": 10.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin g1",
        "amount": 18.2
      },
      {
        "material": "talc - cps",
        "amount": 13.3
      },
      {
        "material": "wollastonite",
        "amount": 12.0
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 11.8
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "kaolin g1",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 8.8
      },
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 7.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.87,
      "Al2O3": 8.38,
      "Na2O": 0.78,
      "K2O": 2.9,
      "MgO": 11.5,
      "CaO": 6.62,
      "P2O5": 0.08,
      "Fe2O3": 0.47,
      "CoO": 4.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 33.01
      },
      {
        "material": "silica",
        "amount": 27.42
      },
      {
        "material": "whiting",
        "amount": 10.61
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 104.5
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "17468",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.2,
      "Al2O3": 13.9,
      "Na2O": 4.95,
      "K2O": 2.28,
      "MgO": 3.19,
      "CaO": 11.75,
      "Fe2O3": 0.19,
      "CuO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "néphéline syenite (solargil 2018)",
        "amount": 43.48
      },
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 24.56
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 18.4
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 9.2
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 4.36
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      },
      {
        "material": "coe",
        "amount": 75.0
      }
    ]
  },
  {
    "id": "17476",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 18.21,
      "Na2O": 6.56,
      "K2O": 3.08,
      "MgO": 2.29,
      "CaO": 1.51,
      "Fe2O3": 6.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 69.78
      },
      {
        "material": "silica",
        "amount": 14.21
      },
      {
        "material": "talc",
        "amount": 7.27
      },
      {
        "material": "kaolin",
        "amount": 6.8
      },
      {
        "material": "whiting",
        "amount": 1.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 7.2
      },
      {
        "material": "total",
        "amount": 107.2
      }
    ]
  },
  {
    "id": "17479",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.1,
      "Al2O3": 11.83,
      "B2O3": 0.5,
      "Na2O": 2.9,
      "K2O": 3.66,
      "MgO": 1.82,
      "CaO": 8.08,
      "ZrO2": 5.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "17482",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.62,
      "Al2O3": 15.14,
      "B2O3": 0.72,
      "Na2O": 4.95,
      "K2O": 6.0,
      "MgO": 0.03,
      "CaO": 7.26,
      "TiO2": 0.06,
      "Fe2O3": 9.33,
      "ZnO": 3.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 28.0
      },
      {
        "material": "kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "ball clay",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "17545",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.42,
      "Al2O3": 8.67,
      "B2O3": 3.73,
      "Na2O": 2.1,
      "K2O": 4.98,
      "MgO": 0.64,
      "CaO": 8.42,
      "BaO": 3.54,
      "P2O5": 0.31,
      "TiO2": 0.01,
      "Fe2O3": 0.31,
      "CuO": 0.24,
      "ZnO": 0.54,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.4
      },
      {
        "material": "silica",
        "amount": 28.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.8
      },
      {
        "material": "whiting",
        "amount": 8.4
      },
      {
        "material": "barium carbonate",
        "amount": 4.2
      },
      {
        "material": "grolleg kaolin",
        "amount": 2.6
      },
      {
        "material": "wood ash",
        "amount": 2.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 0.5
      },
      {
        "material": "zinc oxide",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 101.55
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      }
    ]
  },
  {
    "id": "17546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.36,
      "Al2O3": 14.37,
      "B2O3": 2.89,
      "Li2O": 1.7,
      "Na2O": 1.91,
      "K2O": 4.77,
      "MgO": 0.42,
      "CaO": 9.09,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.16,
      "CuO": 0.24,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.5
      },
      {
        "material": "spodumene",
        "amount": 20.1
      },
      {
        "material": "silica",
        "amount": 13.7
      },
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 103.35
      }
    ]
  },
  {
    "id": "17547",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.56,
      "Al2O3": 13.67,
      "B2O3": 2.95,
      "Na2O": 2.83,
      "K2O": 8.02,
      "MgO": 0.39,
      "CaO": 9.11,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.12,
      "CuO": 0.24,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.8
      },
      {
        "material": "whiting",
        "amount": 11.1
      },
      {
        "material": "gerstley borate",
        "amount": 10.2
      },
      {
        "material": "silica",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 101.35
      }
    ]
  },
  {
    "id": "17548",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.65,
      "Al2O3": 14.36,
      "Na2O": 1.03,
      "K2O": 3.13,
      "MgO": 0.12,
      "CaO": 16.38,
      "P2O5": 0.02,
      "TiO2": 0.25,
      "Fe2O3": 2.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "17549",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.16,
      "Al2O3": 6.09,
      "Na2O": 3.92,
      "K2O": 12.65,
      "MgO": 3.43,
      "CaO": 17.87,
      "P2O5": 6.95,
      "TiO2": 0.13,
      "Cr2O3": 1.02,
      "Fe2O3": 7.5,
      "CoO": 1.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 12.5
      },
      {
        "material": "custer feldspar",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "17573",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.83,
      "Al2O3": 12.13,
      "B2O3": 3.89,
      "Na2O": 4.05,
      "K2O": 2.53,
      "MgO": 7.03,
      "CaO": 7.26,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17576",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.14,
      "Al2O3": 14.45,
      "B2O3": 7.66,
      "Na2O": 6.18,
      "K2O": 1.69,
      "MgO": 0.36,
      "CaO": 6.54,
      "P2O5": 0.05,
      "TiO2": 3.57,
      "Fe2O3": 2.45,
      "CoO": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.5
      },
      {
        "material": "gerstley borate",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.5
      },
      {
        "material": "hold (min) total 1 250 200 0 0",
        "amount": 31.0
      },
      {
        "material": "celsius fahrenheit total 6",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "17580",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.46,
      "Al2O3": 13.55,
      "B2O3": 5.47,
      "Na2O": 1.84,
      "K2O": 3.51,
      "MgO": 1.56,
      "CaO": 10.97,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.27,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.6
      },
      {
        "material": "silica",
        "amount": 22.1
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17631",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.44,
      "Al2O3": 12.72,
      "B2O3": 3.93,
      "Li2O": 0.31,
      "Na2O": 3.84,
      "K2O": 0.02,
      "MgO": 3.81,
      "CaO": 8.63,
      "ZrO2": 4.18,
      "Fe2O3": 1.89,
      "SnO2": 6.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.46
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "soda feldspar",
        "amount": 18.0
      },
      {
        "material": "alumina hidrate",
        "amount": 2.74
      },
      {
        "material": "lithium carbonate",
        "amount": 0.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.5
      },
      {
        "material": "zircopax",
        "amount": 6.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "17637",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.99,
      "Al2O3": 11.67,
      "Na2O": 1.16,
      "K2O": 4.03,
      "MgO": 0.88,
      "CaO": 8.06,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 33.84
      },
      {
        "material": "ep kaolin",
        "amount": 11.87
      },
      {
        "material": "whiting",
        "amount": 10.74
      },
      {
        "material": "dolomite",
        "amount": 3.55
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17642",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.64,
      "Al2O3": 11.53,
      "B2O3": 21.04,
      "Na2O": 3.82,
      "K2O": 0.38,
      "MgO": 25.09,
      "CaO": 13.67,
      "P2O5": 0.15,
      "TiO2": 0.18,
      "Fe2O3": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 46.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 31.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "borax",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17645",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.33,
      "Al2O3": 24.31,
      "Li2O": 2.5,
      "Na2O": 8.23,
      "K2O": 2.55,
      "MgO": 0.06,
      "CaO": 0.76,
      "P2O5": 0.03,
      "TiO2": 0.08,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 34.4
      },
      {
        "material": "spodumene",
        "amount": 29.4
      },
      {
        "material": "nepheline syenite",
        "amount": 14.7
      },
      {
        "material": "ep kaolin",
        "amount": 9.8
      },
      {
        "material": "soda ash",
        "amount": 7.8
      },
      {
        "material": "ball clay",
        "amount": 3.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17685",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.42,
      "Al2O3": 14.25,
      "Na2O": 6.9,
      "K2O": 0.03,
      "MgO": 0.01,
      "CaO": 11.28,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 75.0
      },
      {
        "material": "wollastonite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 130.0
      }
    ]
  },
  {
    "id": "17711",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.2,
      "Al2O3": 6.01,
      "Li2O": 23.87,
      "Na2O": 0.09,
      "K2O": 0.08,
      "MgO": 0.07,
      "CaO": 0.05,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 1.33,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 45.0
      },
      {
        "material": "lithium carbonate",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17715",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.72,
      "Al2O3": 8.02,
      "B2O3": 8.46,
      "Na2O": 3.39,
      "K2O": 1.15,
      "MgO": 1.28,
      "CaO": 7.79,
      "SrO": 4.33,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "MnO2": 3.76,
      "Fe2O3": 0.2,
      "CoO": 0.16,
      "CuO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.4
      },
      {
        "material": "gerstley borate",
        "amount": 29.2
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "strontium carbonate",
        "amount": 5.7
      },
      {
        "material": "wollastonite",
        "amount": 2.5
      },
      {
        "material": "dolomite",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.6
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.23
      },
      {
        "material": "total",
        "amount": 104.83
      }
    ]
  },
  {
    "id": "17804",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.46,
      "Al2O3": 13.55,
      "B2O3": 5.47,
      "Na2O": 1.84,
      "K2O": 3.51,
      "MgO": 1.56,
      "CaO": 10.97,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.27,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.6
      },
      {
        "material": "silica",
        "amount": 22.1
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "17815",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.07,
      "Al2O3": 8.58,
      "B2O3": 6.85,
      "Na2O": 2.72,
      "K2O": 1.3,
      "MgO": 1.49,
      "CaO": 3.99,
      "BaO": 23.53,
      "TiO2": 5.5,
      "Fe2O3": 0.66,
      "CuO": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "cornwall stone",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "17820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.93,
      "Al2O3": 9.22,
      "B2O3": 6.01,
      "Na2O": 3.13,
      "K2O": 1.02,
      "MgO": 6.25,
      "CaO": 5.94,
      "P2O5": 0.05,
      "TiO2": 0.09,
      "Fe2O3": 0.27,
      "CoO": 0.93,
      "ZnO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "talc - amtalc c98/pioneer",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "custer - new",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "17827",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.56,
      "Al2O3": 7.81,
      "B2O3": 8.59,
      "Na2O": 2.8,
      "K2O": 0.78,
      "MgO": 0.06,
      "CaO": 9.4,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "ZnO": 5.2,
      "SnO2": 6.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 39.85
      },
      {
        "material": "silica",
        "amount": 27.35
      },
      {
        "material": "cornwall stone",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 8.87
      },
      {
        "material": "zinc oxide",
        "amount": 5.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.0
      },
      {
        "material": "galisteo red clay",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "silicon carbide #1000",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "17829",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.33,
      "Al2O3": 7.4,
      "B2O3": 4.06,
      "Na2O": 4.19,
      "K2O": 1.49,
      "MgO": 1.42,
      "CaO": 11.83,
      "Fe2O3": 0.09,
      "ZnO": 3.14,
      "SnO2": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "galisteo red clay",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "17832",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.72,
      "Al2O3": 11.23,
      "B2O3": 4.6,
      "Li2O": 0.83,
      "Na2O": 2.06,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 13.32,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "CuO": 0.33,
      "ZnO": 7.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.6
      },
      {
        "material": "wollastonite",
        "amount": 18.8
      },
      {
        "material": "silica",
        "amount": 16.9
      },
      {
        "material": "petalite",
        "amount": 16.5
      },
      {
        "material": "zinc oxide",
        "amount": 7.3
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "17833",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.59,
      "Al2O3": 14.36,
      "B2O3": 4.11,
      "Na2O": 1.9,
      "K2O": 0.31,
      "MgO": 0.03,
      "CaO": 15.04,
      "P2O5": 0.08,
      "TiO2": 5.31,
      "Fe2O3": 0.8,
      "CuO": 2.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "17835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.23,
      "Al2O3": 12.87,
      "B2O3": 6.18,
      "Li2O": 3.69,
      "Na2O": 0.92,
      "K2O": 0.09,
      "MgO": 0.81,
      "CaO": 4.47,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 10.6,
      "CoO": 1.72,
      "CuO": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "17846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.08,
      "Al2O3": 11.66,
      "B2O3": 2.67,
      "Na2O": 6.32,
      "K2O": 0.22,
      "MgO": 0.38,
      "CaO": 11.57,
      "P2O5": 0.01,
      "TiO2": 0.17,
      "Fe2O3": 3.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "17887",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.72,
      "Al2O3": 0.92,
      "B2O3": 10.43,
      "Na2O": 4.64,
      "MgO": 3.98,
      "CaO": 8.93,
      "Fe2O3": 17.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "17897",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.2,
      "Al2O3": 14.87,
      "B2O3": 4.25,
      "Na2O": 1.96,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.57,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "ZrO2": 3.35,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "stain",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "17919",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.3,
      "Al2O3": 9.56,
      "B2O3": 1.83,
      "Na2O": 0.47,
      "K2O": 2.16,
      "MgO": 1.05,
      "CaO": 1.46,
      "P2O5": 0.13,
      "TiO2": 0.58,
      "MnO2": 33.41,
      "Fe2O3": 3.65,
      "CoO": 2.67,
      "CuO": 2.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 76.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.3
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "silica",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 58.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.4
      },
      {
        "material": "copper carbonate",
        "amount": 6.4
      },
      {
        "material": "total",
        "amount": 170.8
      }
    ]
  },
  {
    "id": "17924",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.96,
      "Al2O3": 18.87,
      "B2O3": 2.96,
      "Li2O": 2.38,
      "Na2O": 5.97,
      "K2O": 2.64,
      "MgO": 0.44,
      "CaO": 7.38,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.56,
      "Fe2O3": 0.1,
      "CuO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.65
      },
      {
        "material": "silica",
        "amount": 13.9
      },
      {
        "material": "kaolin",
        "amount": 12.54
      },
      {
        "material": "gerstley borate",
        "amount": 9.9
      },
      {
        "material": "whiting",
        "amount": 7.76
      },
      {
        "material": "lithium carbonate",
        "amount": 5.25
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "17927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.24,
      "Al2O3": 15.62,
      "Li2O": 1.59,
      "Na2O": 0.15,
      "K2O": 0.43,
      "MgO": 0.16,
      "CaO": 16.94,
      "P2O5": 0.15,
      "TiO2": 0.26,
      "FeO": 0.31,
      "Fe2O3": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "petalite",
        "amount": 18.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.3
      },
      {
        "material": "grolleg kaolin",
        "amount": 8.6
      },
      {
        "material": "spodumene",
        "amount": 5.6
      },
      {
        "material": "bone ash",
        "amount": 0.3
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "17928",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.23,
      "Al2O3": 12.64,
      "Na2O": 2.45,
      "K2O": 1.99,
      "MgO": 1.3,
      "CaO": 12.71,
      "TiO2": 0.0,
      "Fe2O3": 1.58,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.1
      },
      {
        "material": "dolomite",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.5
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "17936",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.37,
      "Al2O3": 13.07,
      "B2O3": 0.09,
      "Na2O": 2.59,
      "K2O": 1.35,
      "MgO": 0.12,
      "CaO": 13.06,
      "TiO2": 5.03,
      "Fe2O3": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "anorthite feldspar",
        "amount": 25.14
      },
      {
        "material": "ball clay",
        "amount": 21.49
      },
      {
        "material": "wollastonite",
        "amount": 19.32
      },
      {
        "material": "nepheline syenite",
        "amount": 17.32
      },
      {
        "material": "silica",
        "amount": 13.25
      },
      {
        "material": "frit 90158",
        "amount": 3.49
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "titanium dioxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.51
      }
    ]
  },
  {
    "id": "17937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.31,
      "Al2O3": 9.31,
      "B2O3": 8.0,
      "Li2O": 0.48,
      "Na2O": 3.98,
      "K2O": 1.8,
      "MgO": 5.54,
      "CaO": 4.77,
      "BaO": 4.61,
      "P2O5": 0.01,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 11.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 92.0
      },
      {
        "material": "us pigment inclusion stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18032",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.85,
      "Al2O3": 9.57,
      "Na2O": 1.54,
      "K2O": 4.94,
      "MgO": 1.45,
      "CaO": 8.11,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.14,
      "ZnO": 6.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18035",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.91,
      "Al2O3": 8.84,
      "Na2O": 1.34,
      "K2O": 4.71,
      "MgO": 2.37,
      "CaO": 10.83,
      "P2O5": 0.28,
      "TiO2": 0.0,
      "Fe2O3": 0.05,
      "ZnO": 2.5,
      "SnO2": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 39.7
      },
      {
        "material": "silica",
        "amount": 34.2
      },
      {
        "material": "whiting",
        "amount": 16.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.3
      },
      {
        "material": "grolleg kaolin",
        "amount": 2.1
      },
      {
        "material": "bone ash",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18047",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.38,
      "Al2O3": 17.46,
      "Li2O": 0.43,
      "Na2O": 6.27,
      "K2O": 3.02,
      "MgO": 0.1,
      "CaO": 0.48,
      "SrO": 14.87,
      "TiO2": 0.11,
      "Fe2O3": 0.17,
      "CoO": 0.67,
      "CuO": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "18049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.19,
      "Al2O3": 11.61,
      "B2O3": 3.9,
      "Na2O": 3.77,
      "K2O": 2.94,
      "MgO": 3.74,
      "CaO": 7.59,
      "SrO": 12.77,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 8.15,
      "Fe2O3": 0.14,
      "CuO": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 24.34
      },
      {
        "material": "strontium carbonate",
        "amount": 15.87
      },
      {
        "material": "dolomite",
        "amount": 12.7
      },
      {
        "material": "g-200 feldspar",
        "amount": 12.7
      },
      {
        "material": "gerstley borate",
        "amount": 12.7
      },
      {
        "material": "zircopax",
        "amount": 10.58
      },
      {
        "material": "silica",
        "amount": 5.82
      },
      {
        "material": "ep kaolin",
        "amount": 5.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.23
      },
      {
        "material": "total",
        "amount": 104.23
      }
    ]
  },
  {
    "id": "18050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.7,
      "Al2O3": 7.89,
      "Na2O": 1.12,
      "K2O": 3.72,
      "MgO": 0.0,
      "CaO": 7.25,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.07,
      "CuO": 0.68,
      "ZnO": 27.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "zinc oxide",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "18053",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.47,
      "Al2O3": 9.73,
      "Na2O": 1.37,
      "K2O": 4.38,
      "MgO": 0.05,
      "CaO": 8.87,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "CuO": 1.4,
      "ZnO": 12.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.87
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "zinc oxide",
        "amount": 11.54
      },
      {
        "material": "ep kaolin",
        "amount": 4.71
      },
      {
        "material": "total base recipe",
        "amount": 96.42
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.42
      }
    ]
  },
  {
    "id": "18054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 26.86,
      "Al2O3": 11.82,
      "Na2O": 3.52,
      "K2O": 1.66,
      "MgO": 0.11,
      "CaO": 0.29,
      "BaO": 53.97,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.22,
      "CuO": 1.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 60.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18056",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.62,
      "Al2O3": 19.24,
      "B2O3": 3.34,
      "Na2O": 3.69,
      "K2O": 1.28,
      "MgO": 0.05,
      "CaO": 13.94,
      "P2O5": 0.08,
      "TiO2": 4.96,
      "Fe2O3": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 29.23
      },
      {
        "material": "ferro frit 3124",
        "amount": 22.56
      },
      {
        "material": "nepheline syenite",
        "amount": 20.37
      },
      {
        "material": "whiting",
        "amount": 17.1
      },
      {
        "material": "silica",
        "amount": 10.74
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "stain",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "18057",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.58,
      "Al2O3": 9.52,
      "B2O3": 8.7,
      "Na2O": 2.08,
      "K2O": 2.65,
      "MgO": 3.19,
      "CaO": 7.91,
      "P2O5": 0.07,
      "TiO2": 0.08,
      "ZrO2": 9.92,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 28.4
      },
      {
        "material": "custer feldspar",
        "amount": 21.52
      },
      {
        "material": "silica",
        "amount": 18.07
      },
      {
        "material": "zircopax",
        "amount": 12.91
      },
      {
        "material": "ep kaolin",
        "amount": 11.18
      },
      {
        "material": "dolomite",
        "amount": 4.31
      },
      {
        "material": "talc",
        "amount": 2.58
      },
      {
        "material": "bentonite",
        "amount": 1.03
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18075",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.3,
      "Al2O3": 12.48,
      "Na2O": 2.2,
      "K2O": 7.34,
      "CaO": 0.22,
      "MnO2": 27.38,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 100.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 40.0
      },
      {
        "material": "granular manganese",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 142.9
      }
    ]
  },
  {
    "id": "18076",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.35,
      "Al2O3": 13.26,
      "Na2O": 2.21,
      "K2O": 6.58,
      "MgO": 0.39,
      "CaO": 1.25,
      "TiO2": 0.05,
      "MnO2": 20.08,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 80.8
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.7
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 3.5
      },
      {
        "material": "dolomite",
        "amount": 1.8
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 29.3
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 134.1
      }
    ]
  },
  {
    "id": "18077",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 9.67,
      "B2O3": 2.38,
      "Na2O": 2.63,
      "K2O": 1.16,
      "MgO": 0.76,
      "CaO": 15.81,
      "Cr2O3": 0.57,
      "Fe2O3": 0.2,
      "SnO2": 5.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "néphéline syenite (solargil 2018)",
        "amount": 18.5
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "gerstley borate (solargil 2018)",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite (solargil 2018)",
        "amount": 2.0
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "calculated temp",
        "amount": 1201.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "18117",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.75,
      "Al2O3": 8.94,
      "B2O3": 3.68,
      "Na2O": 1.76,
      "K2O": 4.08,
      "MgO": 6.68,
      "CaO": 4.89,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "CoO": 1.19,
      "ZnO": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.34
      },
      {
        "material": "silica",
        "amount": 22.72
      },
      {
        "material": "talc",
        "amount": 13.61
      },
      {
        "material": "gerstley borate",
        "amount": 12.71
      },
      {
        "material": "dolomite",
        "amount": 6.41
      },
      {
        "material": "kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 101.74
      }
    ]
  },
  {
    "id": "18122",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.56,
      "Al2O3": 13.01,
      "Li2O": 2.99,
      "Na2O": 3.04,
      "K2O": 1.46,
      "MgO": 8.07,
      "CaO": 5.75,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.22,
      "CoO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 27.2
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "dolomite",
        "amount": 16.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.3
      },
      {
        "material": "talc",
        "amount": 11.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "18129",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.81,
      "Al2O3": 9.48,
      "B2O3": 3.74,
      "Na2O": 5.33,
      "K2O": 7.77,
      "MgO": 2.49,
      "CaO": 20.39,
      "SrO": 3.76,
      "P2O5": 3.97,
      "TiO2": 1.0,
      "Fe2O3": 6.9,
      "CoO": 1.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "18137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.98,
      "Al2O3": 12.14,
      "B2O3": 2.43,
      "Na2O": 3.82,
      "K2O": 1.65,
      "MgO": 1.86,
      "CaO": 6.5,
      "P2O5": 0.01,
      "TiO2": 7.04,
      "Fe2O3": 0.98,
      "ZnO": 4.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.5
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.3
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 9.3
      },
      {
        "material": "whiting",
        "amount": 6.5
      },
      {
        "material": "talc",
        "amount": 4.7
      },
      {
        "material": "zinc oxide",
        "amount": 4.7
      },
      {
        "material": "wollastonite",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.9
      }
    ]
  },
  {
    "id": "18150",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.58,
      "Al2O3": 9.51,
      "B2O3": 5.98,
      "Na2O": 3.56,
      "K2O": 1.26,
      "MgO": 1.72,
      "CaO": 7.69,
      "P2O5": 0.01,
      "TiO2": 2.64,
      "MnO": 0.0,
      "Fe2O3": 0.47,
      "CuO": 1.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.9
      },
      {
        "material": "fff k7 feldspar",
        "amount": 17.6
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 13.9
      },
      {
        "material": "talc",
        "amount": 5.4
      },
      {
        "material": "whiting",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "18151",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.01,
      "Al2O3": 11.43,
      "B2O3": 5.75,
      "Na2O": 3.66,
      "K2O": 1.56,
      "MgO": 1.59,
      "CaO": 7.36,
      "P2O5": 0.02,
      "TiO2": 2.62,
      "MnO": 0.0,
      "Fe2O3": 0.5,
      "CuO": 2.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "fff k7 feldspar",
        "amount": 22.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "18179",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.26,
      "Al2O3": 12.61,
      "B2O3": 5.49,
      "Na2O": 2.27,
      "K2O": 4.88,
      "MgO": 0.8,
      "CaO": 14.37,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.07,
      "Al2O3": 9.47,
      "B2O3": 3.36,
      "Li2O": 0.85,
      "Na2O": 6.31,
      "K2O": 2.05,
      "MgO": 0.48,
      "CaO": 9.03,
      "SrO": 3.66,
      "P2O5": 0.01,
      "TiO2": 4.19,
      "Fe2O3": 0.15,
      "CuO": 3.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "18184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.21,
      "Al2O3": 8.9,
      "B2O3": 14.24,
      "Na2O": 2.2,
      "K2O": 0.31,
      "MgO": 1.92,
      "CaO": 10.37,
      "P2O5": 0.11,
      "TiO2": 0.13,
      "ZrO2": 7.14,
      "Fe2O3": 0.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "18187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 13.56,
      "B2O3": 6.69,
      "Na2O": 5.58,
      "K2O": 2.26,
      "MgO": 1.58,
      "CaO": 7.37,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 2.6,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.2
      },
      {
        "material": "gerstley borate",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 18.9
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "talc",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "18235",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.63,
      "Al2O3": 18.11,
      "B2O3": 5.17,
      "Li2O": 1.04,
      "Na2O": 4.07,
      "K2O": 1.8,
      "MgO": 0.84,
      "CaO": 6.17,
      "TiO2": 0.39,
      "Fe2O3": 1.68,
      "CoO": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 22.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.0
      },
      {
        "material": "nepheline syenite",
        "amount": 14.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18266",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.36,
      "Al2O3": 12.52,
      "Na2O": 2.13,
      "K2O": 11.87,
      "MgO": 2.06,
      "CaO": 8.63,
      "P2O5": 4.14,
      "Fe2O3": 2.72,
      "CoO": 0.06,
      "CuO": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 102.6
      }
    ]
  },
  {
    "id": "18268",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.91,
      "Al2O3": 13.81,
      "B2O3": 2.58,
      "Na2O": 3.29,
      "K2O": 1.11,
      "MgO": 2.95,
      "CaO": 11.48,
      "P2O5": 3.42,
      "TiO2": 0.1,
      "Fe2O3": 9.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 23.74
      },
      {
        "material": "nepheline syenite",
        "amount": 22.67
      },
      {
        "material": "silica",
        "amount": 13.88
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.84
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.29
      },
      {
        "material": "wollastonite",
        "amount": 9.29
      },
      {
        "material": "bone ash",
        "amount": 8.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "18289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.48,
      "Al2O3": 10.25,
      "Na2O": 1.24,
      "K2O": 4.16,
      "MgO": 2.26,
      "CaO": 9.33,
      "TiO2": 0.15,
      "Fe2O3": 9.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.81
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 15.74
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.04
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 7.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "18299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.47,
      "Al2O3": 21.89,
      "B2O3": 0.52,
      "Li2O": 0.7,
      "Na2O": 6.79,
      "K2O": 3.22,
      "MgO": 0.21,
      "CaO": 3.61,
      "P2O5": 0.0,
      "TiO2": 0.09,
      "Fe2O3": 1.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "petalite",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "18310",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.32,
      "Al2O3": 8.87,
      "B2O3": 8.09,
      "Na2O": 3.61,
      "K2O": 0.08,
      "MgO": 2.2,
      "CaO": 11.56,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 13.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "navajo pumice",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "galisteo red clay",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "18313",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.97,
      "Al2O3": 11.26,
      "Li2O": 1.73,
      "Na2O": 3.3,
      "K2O": 2.13,
      "MgO": 5.33,
      "CaO": 10.28,
      "P2O5": 6.75,
      "TiO2": 0.03,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.7
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 16.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "crocus martis",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "18343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.66,
      "Al2O3": 12.45,
      "B2O3": 1.03,
      "Li2O": 2.85,
      "Na2O": 2.66,
      "K2O": 3.29,
      "MgO": 2.19,
      "CaO": 10.53,
      "P2O5": 0.0,
      "TiO2": 0.12,
      "Fe2O3": 0.16,
      "CoO": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 67.4
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 7.9
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "silica",
        "amount": 6.2
      },
      {
        "material": "gerstley borate",
        "amount": 3.4
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "18344",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.16,
      "Al2O3": 12.76,
      "Na2O": 3.01,
      "K2O": 1.46,
      "MgO": 10.71,
      "CaO": 14.66,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.87
      },
      {
        "material": "nepheline syenite",
        "amount": 26.92
      },
      {
        "material": "whiting",
        "amount": 15.21
      },
      {
        "material": "dolomite",
        "amount": 13.61
      },
      {
        "material": "magnesium carbonate",
        "amount": 13.38
      },
      {
        "material": "ep kaolin",
        "amount": 13.26
      },
      {
        "material": "total",
        "amount": 110.25
      },
      {
        "material": "ilmenite granulate",
        "amount": 1.52
      }
    ]
  },
  {
    "id": "18345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.6,
      "Al2O3": 14.7,
      "Na2O": 3.85,
      "K2O": 2.98,
      "MgO": 0.04,
      "CaO": 12.34,
      "P2O5": 0.01,
      "TiO2": 4.49,
      "Fe2O3": 0.12,
      "ZnO": 8.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 42.0
      },
      {
        "material": "cornwall stone",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 99.0
      },
      {
        "material": "veegum",
        "amount": 0.4
      }
    ]
  },
  {
    "id": "18346",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.6,
      "Al2O3": 14.7,
      "Na2O": 3.85,
      "K2O": 2.98,
      "MgO": 0.04,
      "CaO": 12.34,
      "P2O5": 0.01,
      "TiO2": 4.49,
      "Fe2O3": 0.12,
      "ZnO": 8.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 42.0
      },
      {
        "material": "cornwall stone",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 99.0
      },
      {
        "material": "veegum",
        "amount": 0.4
      },
      {
        "material": "cmc",
        "amount": 0.5
      }
    ]
  },
  {
    "id": "18347",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.6,
      "Al2O3": 14.7,
      "Na2O": 3.85,
      "K2O": 2.98,
      "MgO": 0.04,
      "CaO": 12.34,
      "P2O5": 0.01,
      "TiO2": 4.49,
      "Fe2O3": 0.12,
      "ZnO": 8.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 42.0
      },
      {
        "material": "cornwall stone",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 99.0
      },
      {
        "material": "country united states cmc",
        "amount": 0.5
      },
      {
        "material": "veegum",
        "amount": 0.4
      }
    ]
  },
  {
    "id": "18348",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.99,
      "Al2O3": 9.52,
      "B2O3": 3.53,
      "Na2O": 2.64,
      "K2O": 1.0,
      "MgO": 0.19,
      "CaO": 28.58,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "CoO": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 50.9
      },
      {
        "material": "minspar 200",
        "amount": 21.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "18349",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.16,
      "Al2O3": 9.55,
      "B2O3": 3.54,
      "Na2O": 2.65,
      "K2O": 1.0,
      "MgO": 0.2,
      "CaO": 28.67,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 50.9
      },
      {
        "material": "minspar 200",
        "amount": 21.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18350",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.16,
      "Al2O3": 9.55,
      "B2O3": 3.54,
      "Na2O": 2.65,
      "K2O": 1.0,
      "MgO": 0.2,
      "CaO": 28.67,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 50.9
      },
      {
        "material": "minspar 200",
        "amount": 21.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18353",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.63,
      "Al2O3": 15.01,
      "B2O3": 2.08,
      "Na2O": 1.71,
      "K2O": 2.67,
      "MgO": 0.03,
      "CaO": 16.2,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "CuO": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "whiting",
        "amount": 21.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 13.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "18354",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.81,
      "Al2O3": 15.06,
      "B2O3": 2.09,
      "Na2O": 1.72,
      "K2O": 2.68,
      "MgO": 0.03,
      "CaO": 16.24,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "whiting",
        "amount": 21.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 13.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.68,
      "Al2O3": 12.85,
      "Na2O": 0.83,
      "K2O": 2.71,
      "MgO": 1.03,
      "CaO": 13.62,
      "TiO2": 0.13,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 27.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 12.5
      },
      {
        "material": "kaolin",
        "amount": 12.5
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.83,
      "Al2O3": 10.19,
      "B2O3": 4.49,
      "Na2O": 2.55,
      "K2O": 1.19,
      "MgO": 0.4,
      "CaO": 15.0,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.02,
      "MnO": 0.02,
      "Fe2O3": 0.23,
      "SnO2": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "custer - new",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 105.02
      }
    ]
  },
  {
    "id": "18445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 12.42,
      "Al2O3": 9.58,
      "Na2O": 0.03,
      "K2O": 0.49,
      "MgO": 0.08,
      "CaO": 0.03,
      "TiO2": 0.01,
      "MnO2": 59.75,
      "Fe2O3": 0.18,
      "CoO": 8.42,
      "CuO": 9.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 61.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 23.0
      },
      {
        "material": "cobalt oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18520",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 27.51,
      "Al2O3": 2.52,
      "B2O3": 33.66,
      "Na2O": 5.08,
      "K2O": 0.87,
      "MgO": 4.72,
      "CaO": 24.4,
      "P2O5": 0.14,
      "TiO2": 0.24,
      "Fe2O3": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "enos park earthenware",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18551",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.54,
      "Al2O3": 18.03,
      "Na2O": 2.5,
      "K2O": 3.85,
      "MgO": 3.99,
      "CaO": 10.62,
      "P2O5": 3.76,
      "TiO2": 0.01,
      "Fe2O3": 0.25,
      "CoO": 0.05,
      "NiO": 0.08,
      "ZnO": 5.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 41.6
      },
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 16.7
      },
      {
        "material": "bone ash",
        "amount": 8.3
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 104.9
      },
      {
        "material": "black nickel oxide",
        "amount": 0.08
      },
      {
        "material": "cobalt oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 105.02
      }
    ]
  },
  {
    "id": "18553",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.73,
      "Al2O3": 16.41,
      "Na2O": 2.5,
      "K2O": 3.77,
      "MgO": 2.02,
      "CaO": 16.68,
      "TiO2": 2.01,
      "Fe2O3": 0.44,
      "SnO2": 4.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 40.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "18586",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.24,
      "Al2O3": 9.32,
      "B2O3": 4.77,
      "Na2O": 1.98,
      "K2O": 4.32,
      "MgO": 1.89,
      "CaO": 6.43,
      "P2O5": 0.03,
      "TiO2": 8.94,
      "Fe2O3": 2.07,
      "CoO": 0.31,
      "ZnO": 7.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.72
      },
      {
        "material": "silica",
        "amount": 18.45
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.77
      },
      {
        "material": "dolomite",
        "amount": 5.83
      },
      {
        "material": "ep kaolin",
        "amount": 5.3
      },
      {
        "material": "whiting",
        "amount": 1.94
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.51
      }
    ]
  },
  {
    "id": "18649",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.53,
      "Al2O3": 22.42,
      "Na2O": 0.38,
      "K2O": 1.6,
      "MgO": 1.08,
      "CaO": 1.03,
      "P2O5": 0.02,
      "TiO2": 1.02,
      "Fe2O3": 1.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "enos park earthenware",
        "amount": 65.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "hawthorne fire clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "18741",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.94,
      "Al2O3": 14.98,
      "Na2O": 3.6,
      "K2O": 0.33,
      "MgO": 0.13,
      "CaO": 14.41,
      "TiO2": 0.4,
      "Fe2O3": 0.36,
      "ZnO": 11.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "18742",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.89,
      "Al2O3": 14.24,
      "Na2O": 3.42,
      "K2O": 0.31,
      "MgO": 0.13,
      "CaO": 13.7,
      "TiO2": 0.38,
      "ZrO2": 3.33,
      "Fe2O3": 0.35,
      "ZnO": 11.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.01
      }
    ]
  },
  {
    "id": "18743",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.44,
      "Al2O3": 14.03,
      "Na2O": 3.37,
      "K2O": 0.31,
      "MgO": 0.12,
      "CaO": 13.5,
      "TiO2": 0.37,
      "ZrO2": 3.93,
      "Cr2O3": 0.49,
      "Fe2O3": 0.34,
      "ZnO": 11.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.51
      }
    ]
  },
  {
    "id": "18744",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.67,
      "Al2O3": 13.65,
      "Na2O": 3.29,
      "K2O": 0.3,
      "MgO": 0.12,
      "CaO": 13.14,
      "TiO2": 0.36,
      "ZrO2": 5.11,
      "Fe2O3": 0.33,
      "CuO": 1.22,
      "ZnO": 10.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.7
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "18745",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.98,
      "Al2O3": 14.43,
      "Na2O": 3.47,
      "K2O": 0.32,
      "MgO": 0.13,
      "CaO": 13.89,
      "TiO2": 0.78,
      "Fe2O3": 0.35,
      "CuO": 3.23,
      "ZnO": 11.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 105.41
      }
    ]
  },
  {
    "id": "18747",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.17,
      "Al2O3": 14.48,
      "Na2O": 3.48,
      "K2O": 0.32,
      "MgO": 0.13,
      "CaO": 13.94,
      "TiO2": 0.38,
      "Cr2O3": 2.01,
      "Fe2O3": 0.35,
      "CoO": 1.27,
      "ZnO": 11.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "18748",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.07,
      "Al2O3": 13.9,
      "Na2O": 3.34,
      "K2O": 0.31,
      "MgO": 0.12,
      "CaO": 13.38,
      "TiO2": 5.59,
      "Fe2O3": 0.91,
      "CoO": 1.37,
      "ZnO": 11.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.25
      },
      {
        "material": "total",
        "amount": 108.26
      }
    ]
  },
  {
    "id": "18749",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.73,
      "Al2O3": 14.19,
      "Na2O": 3.41,
      "K2O": 0.31,
      "MgO": 0.13,
      "CaO": 13.65,
      "TiO2": 0.38,
      "ZrO2": 3.32,
      "Fe2O3": 0.34,
      "CoO": 0.31,
      "ZnO": 11.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.51
      }
    ]
  },
  {
    "id": "18750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.22,
      "Al2O3": 14.5,
      "Na2O": 3.49,
      "K2O": 0.32,
      "MgO": 0.13,
      "CaO": 13.95,
      "TiO2": 0.38,
      "Fe2O3": 0.35,
      "CoO": 3.18,
      "ZnO": 11.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.01
      }
    ]
  },
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    "id": "18751",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.65,
      "Al2O3": 9.03,
      "B2O3": 2.43,
      "Na2O": 3.5,
      "K2O": 1.55,
      "MgO": 9.49,
      "CaO": 9.23,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.4
      },
      {
        "material": "talc",
        "amount": 24.6
      },
      {
        "material": "silica",
        "amount": 12.3
      },
      {
        "material": "whiting",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.9
      },
      {
        "material": "ep kaolin",
        "amount": 4.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18753",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.77,
      "Al2O3": 14.93,
      "Na2O": 3.59,
      "K2O": 0.33,
      "MgO": 0.13,
      "CaO": 14.36,
      "TiO2": 0.4,
      "Fe2O3": 12.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "red iron oxide",
        "amount": 12.3
      },
      {
        "material": "total",
        "amount": 100.93
      }
    ]
  },
  {
    "id": "18754",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.94,
      "Al2O3": 13.59,
      "Na2O": 3.27,
      "K2O": 0.3,
      "MgO": 0.12,
      "CaO": 13.07,
      "TiO2": 0.36,
      "Fe2O3": 8.41,
      "CoO": 1.19,
      "ZnO": 10.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "18755",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.39,
      "Al2O3": 13.71,
      "Na2O": 3.3,
      "K2O": 0.3,
      "MgO": 0.12,
      "CaO": 13.19,
      "TiO2": 0.36,
      "MnO2": 3.42,
      "Fe2O3": 0.33,
      "CoO": 2.48,
      "CuO": 2.54,
      "ZnO": 10.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.13
      },
      {
        "material": "copper carbonate",
        "amount": 4.13
      },
      {
        "material": "manganese dioxide",
        "amount": 4.13
      },
      {
        "material": "total",
        "amount": 112.4
      }
    ]
  },
  {
    "id": "18756",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.77,
      "Al2O3": 14.1,
      "Na2O": 3.39,
      "K2O": 0.31,
      "MgO": 0.12,
      "CaO": 13.56,
      "TiO2": 5.67,
      "Fe2O3": 0.92,
      "ZnO": 11.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.01
      }
    ]
  },
  {
    "id": "18757",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.39,
      "Al2O3": 13.44,
      "Na2O": 3.23,
      "K2O": 0.3,
      "MgO": 0.12,
      "CaO": 12.93,
      "TiO2": 10.26,
      "Fe2O3": 0.7,
      "ZnO": 10.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "18758",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.08,
      "Al2O3": 13.35,
      "Na2O": 3.21,
      "K2O": 0.29,
      "MgO": 0.12,
      "CaO": 12.84,
      "TiO2": 5.37,
      "Fe2O3": 6.17,
      "ZnO": 10.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.01
      }
    ]
  },
  {
    "id": "18759",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.39,
      "Al2O3": 14.27,
      "Na2O": 3.43,
      "K2O": 0.31,
      "MgO": 0.13,
      "CaO": 13.73,
      "TiO2": 0.38,
      "Fe2O3": 5.06,
      "ZnO": 11.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.01
      }
    ]
  },
  {
    "id": "18760",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.76,
      "Al2O3": 13.93,
      "Na2O": 3.35,
      "K2O": 0.31,
      "MgO": 0.12,
      "CaO": 13.4,
      "TiO2": 0.37,
      "ZrO2": 3.26,
      "MnO2": 2.13,
      "Fe2O3": 0.34,
      "ZnO": 11.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.53
      },
      {
        "material": "total",
        "amount": 107.54
      }
    ]
  },
  {
    "id": "18761",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.33,
      "Al2O3": 13.14,
      "Na2O": 3.16,
      "K2O": 0.29,
      "MgO": 0.12,
      "CaO": 12.64,
      "TiO2": 2.18,
      "Fe2O3": 10.74,
      "ZnO": 10.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.01
      }
    ]
  },
  {
    "id": "18762",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.51,
      "Al2O3": 21.23,
      "K2O": 10.39,
      "MgO": 6.08,
      "CaO": 10.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 52.0
      },
      {
        "material": "dolomite",
        "amount": 23.5
      },
      {
        "material": "kaolin",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18769",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.12,
      "Al2O3": 14.2,
      "Na2O": 3.41,
      "K2O": 0.31,
      "MgO": 0.13,
      "CaO": 13.66,
      "TiO2": 3.93,
      "Fe2O3": 0.74,
      "CuO": 1.27,
      "ZnO": 11.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 31.71
      },
      {
        "material": "soda feldspar",
        "amount": 28.46
      },
      {
        "material": "wollastonite",
        "amount": 28.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.38
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.01
      }
    ]
  },
  {
    "id": "18774",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.89,
      "Al2O3": 10.07,
      "B2O3": 2.38,
      "Na2O": 4.71,
      "K2O": 2.17,
      "MgO": 7.68,
      "CaO": 6.43,
      "TiO2": 0.03,
      "Fe2O3": 0.16,
      "ZnO": 3.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.4
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 24.6
      },
      {
        "material": "nepheline syenite",
        "amount": 12.3
      },
      {
        "material": "silica",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.9
      },
      {
        "material": "whiting",
        "amount": 4.8
      },
      {
        "material": "zinc oxide",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "18776",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.0,
      "Al2O3": 14.72,
      "B2O3": 4.21,
      "Na2O": 1.94,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.42,
      "P2O5": 0.08,
      "TiO2": 5.45,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "18790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.91,
      "Al2O3": 17.54,
      "Na2O": 1.93,
      "K2O": 0.9,
      "MgO": 0.05,
      "CaO": 14.1,
      "Fe2O3": 0.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "kaolin",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 101.5
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18806",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.93,
      "Al2O3": 10.49,
      "Na2O": 1.93,
      "K2O": 0.95,
      "MgO": 0.07,
      "CaO": 13.51,
      "P2O5": 0.04,
      "TiO2": 12.7,
      "Fe2O3": 0.86,
      "CoO": 0.6,
      "CuO": 1.22,
      "ZnO": 4.75,
      "SnO2": 0.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "18809",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.15,
      "Al2O3": 10.45,
      "Li2O": 1.54,
      "Na2O": 1.34,
      "K2O": 4.3,
      "MgO": 4.57,
      "CaO": 8.08,
      "P2O5": 6.04,
      "TiO2": 0.03,
      "Fe2O3": 10.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "18839",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.71,
      "Al2O3": 14.79,
      "Na2O": 0.98,
      "K2O": 3.28,
      "MgO": 0.1,
      "CaO": 17.2,
      "P2O5": 0.12,
      "TiO2": 0.32,
      "Fe2O3": 1.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.3
      },
      {
        "material": "whiting",
        "amount": 25.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.3
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "bone ash",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "18878",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 8.1,
      "Na2O": 0.93,
      "K2O": 3.1,
      "MgO": 0.01,
      "CaO": 14.74,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 11.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.53
      },
      {
        "material": "custer feldspar",
        "amount": 30.27
      },
      {
        "material": "whiting",
        "amount": 25.65
      },
      {
        "material": "ep kaolin",
        "amount": 7.55
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.66
      },
      {
        "material": "total",
        "amount": 111.66
      }
    ]
  },
  {
    "id": "18951",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.91,
      "Al2O3": 19.23,
      "B2O3": 2.5,
      "Na2O": 4.3,
      "K2O": 1.83,
      "MgO": 4.95,
      "CaO": 11.12,
      "SrO": 0.05,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.9
      },
      {
        "material": "kaolin",
        "amount": 20.3
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gillespie borate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "18964",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.19,
      "Al2O3": 27.98,
      "Li2O": 1.56,
      "Na2O": 7.16,
      "K2O": 3.2,
      "MgO": 0.11,
      "CaO": 0.43,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "MnO": 0.0,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "devon china clay",
        "amount": 25.0
      },
      {
        "material": "spodumene - australian",
        "amount": 20.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "19010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.26,
      "Al2O3": 6.02,
      "B2O3": 8.04,
      "Na2O": 4.18,
      "K2O": 0.74,
      "MgO": 0.07,
      "CaO": 11.62,
      "P2O5": 0.02,
      "TiO2": 6.29,
      "Fe2O3": 1.94,
      "ZnO": 4.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 37.3
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "cornwall stone",
        "amount": 17.3
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "zinc oxide",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.6
      }
    ]
  },
  {
    "id": "19011",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.87,
      "Al2O3": 10.06,
      "B2O3": 4.6,
      "Na2O": 5.63,
      "K2O": 0.03,
      "MgO": 0.01,
      "CaO": 9.61,
      "P2O5": 0.03,
      "TiO2": 3.87,
      "Cr2O3": 1.01,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "19012",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.77,
      "Al2O3": 11.9,
      "B2O3": 3.67,
      "Na2O": 1.65,
      "K2O": 3.82,
      "MgO": 2.91,
      "CaO": 9.96,
      "P2O5": 0.05,
      "TiO2": 4.15,
      "Fe2O3": 0.6,
      "CuO": 3.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.5
      },
      {
        "material": "black copper oxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "19022",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.75,
      "Al2O3": 27.21,
      "B2O3": 1.77,
      "Na2O": 2.92,
      "K2O": 2.03,
      "MgO": 0.2,
      "CaO": 2.42,
      "TiO2": 0.38,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 28.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 25.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19039",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.1,
      "Al2O3": 17.35,
      "B2O3": 2.2,
      "Na2O": 5.14,
      "K2O": 2.78,
      "MgO": 3.95,
      "CaO": 7.27,
      "TiO2": 0.0,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 10.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "19106",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.7,
      "Al2O3": 20.39,
      "B2O3": 1.36,
      "Na2O": 9.02,
      "K2O": 3.94,
      "MgO": 2.65,
      "CaO": 1.78,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 86.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "19139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.17,
      "Al2O3": 10.31,
      "B2O3": 4.07,
      "Na2O": 1.99,
      "K2O": 2.6,
      "MgO": 3.3,
      "CaO": 7.89,
      "P2O5": 0.05,
      "TiO2": 4.94,
      "ZrO2": 4.86,
      "Fe2O3": 0.69,
      "CoO": 0.42,
      "NiO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.08
      },
      {
        "material": "rutile",
        "amount": 6.06
      },
      {
        "material": "black nickel oxide",
        "amount": 0.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 115.69
      }
    ]
  },
  {
    "id": "19140",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.28,
      "Al2O3": 11.14,
      "B2O3": 4.4,
      "Na2O": 2.15,
      "K2O": 2.81,
      "MgO": 3.56,
      "CaO": 8.52,
      "P2O5": 0.05,
      "TiO2": 5.29,
      "Fe2O3": 1.2,
      "CoO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "19143",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.29,
      "Al2O3": 17.68,
      "Na2O": 0.32,
      "K2O": 4.83,
      "MgO": 4.1,
      "CaO": 7.31,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.67,
      "Al2O3": 9.33,
      "B2O3": 2.91,
      "Na2O": 4.34,
      "K2O": 1.89,
      "MgO": 0.25,
      "CaO": 10.0,
      "P2O5": 0.9,
      "MnO": 0.01,
      "Fe2O3": 0.16,
      "CuO": 0.63,
      "ZnO": 2.94,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "19211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.95,
      "Al2O3": 32.74,
      "Na2O": 0.8,
      "K2O": 2.82,
      "MgO": 0.22,
      "CaO": 0.47,
      "TiO2": 1.0,
      "Fe2O3": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "helmer kaolin",
        "amount": 60.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "xx sagger ball clay",
        "amount": 10.0
      },
      {
        "material": "grog",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19281",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.08,
      "Al2O3": 12.33,
      "Na2O": 1.71,
      "K2O": 0.89,
      "MgO": 4.98,
      "CaO": 4.52,
      "P2O5": 0.04,
      "TiO2": 1.6,
      "FeO": 4.78,
      "Fe2O3": 1.69,
      "CoO": 0.44,
      "SnO2": 3.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "basalt",
        "amount": 53.0
      },
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 104.7
      }
    ]
  },
  {
    "id": "19299",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.77,
      "Al2O3": 9.69,
      "B2O3": 4.57,
      "Na2O": 2.36,
      "K2O": 3.45,
      "MgO": 1.7,
      "CaO": 16.56,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.22,
      "Fe2O3": 0.14,
      "SnO2": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "19334",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.23,
      "Al2O3": 24.64,
      "Na2O": 17.6,
      "K2O": 2.52,
      "MgO": 0.09,
      "CaO": 0.42,
      "P2O5": 0.06,
      "TiO2": 0.15,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 19.0
      },
      {
        "material": "soda feldspar",
        "amount": 11.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.91,
      "Al2O3": 10.18,
      "Na2O": 1.99,
      "K2O": 3.0,
      "MgO": 7.67,
      "CaO": 6.25,
      "TiO2": 0.12,
      "Cr2O3": 1.03,
      "MnO2": 1.79,
      "Fe2O3": 3.07,
      "CuO": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "19342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.68,
      "Al2O3": 12.43,
      "Na2O": 2.97,
      "K2O": 2.1,
      "MgO": 6.88,
      "CaO": 6.78,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.58,
      "Al2O3": 16.89,
      "Na2O": 1.73,
      "K2O": 2.31,
      "MgO": 0.1,
      "CaO": 22.49,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "Fe2O3": 0.27,
      "CuO": 2.9,
      "SnO2": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "19345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.63,
      "Al2O3": 23.23,
      "Na2O": 15.87,
      "K2O": 3.29,
      "MgO": 0.23,
      "CaO": 0.63,
      "P2O5": 0.04,
      "TiO2": 0.3,
      "Fe2O3": 0.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.45
      },
      {
        "material": "soda ash",
        "amount": 17.93
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.15
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 10.38
      },
      {
        "material": "ep kaolin",
        "amount": 9.43
      },
      {
        "material": "redart",
        "amount": 5.66
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "19346",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.13,
      "Al2O3": 16.38,
      "Na2O": 4.32,
      "K2O": 2.08,
      "MgO": 3.56,
      "CaO": 9.58,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "CuO": 0.71,
      "SnO2": 10.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "19350",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.51,
      "Al2O3": 10.23,
      "B2O3": 1.05,
      "Na2O": 1.28,
      "K2O": 4.34,
      "MgO": 0.2,
      "CaO": 8.54,
      "BaO": 3.81,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "MnO2": 2.98,
      "Fe2O3": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.5
      },
      {
        "material": "manganese dioxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "19354",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.12,
      "Al2O3": 10.43,
      "B2O3": 3.98,
      "Na2O": 1.84,
      "K2O": 3.03,
      "MgO": 0.05,
      "CaO": 11.9,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 4.7,
      "Fe2O3": 6.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "19358",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.41,
      "Al2O3": 9.8,
      "B2O3": 6.59,
      "Na2O": 2.49,
      "K2O": 5.25,
      "MgO": 1.05,
      "CaO": 11.85,
      "SrO": 0.12,
      "TiO2": 0.0,
      "Fe2O3": 0.02,
      "CuO": 0.29,
      "SnO2": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 41.0
      },
      {
        "material": "gillespie borate",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "devon china clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "19359",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.45,
      "Al2O3": 9.67,
      "B2O3": 3.33,
      "Na2O": 2.0,
      "K2O": 5.31,
      "MgO": 2.02,
      "CaO": 10.93,
      "SrO": 4.84,
      "TiO2": 0.0,
      "Fe2O3": 0.02,
      "CuO": 0.29,
      "SnO2": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "devon china clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "19362",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.54,
      "Al2O3": 13.11,
      "B2O3": 0.78,
      "Na2O": 2.76,
      "K2O": 3.46,
      "MgO": 0.21,
      "CaO": 8.51,
      "P2O5": 0.0,
      "TiO2": 4.47,
      "Fe2O3": 5.23,
      "ZnO": 1.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 83.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "19366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.81,
      "Al2O3": 12.02,
      "B2O3": 10.98,
      "Na2O": 5.08,
      "K2O": 0.59,
      "MgO": 0.05,
      "CaO": 11.26,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 80.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "19377",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.83,
      "Al2O3": 18.79,
      "Na2O": 1.41,
      "K2O": 1.98,
      "MgO": 0.12,
      "CaO": 18.23,
      "P2O5": 0.08,
      "TiO2": 0.2,
      "MnO": 0.12,
      "Fe2O3": 0.82,
      "SnO2": 4.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 38.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "barnard slip",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "19390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.45,
      "Al2O3": 12.1,
      "B2O3": 0.86,
      "Na2O": 2.15,
      "K2O": 4.74,
      "MgO": 2.03,
      "CaO": 10.63,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 11.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 23.31
      },
      {
        "material": "silica",
        "amount": 22.44
      },
      {
        "material": "nepheline syenite",
        "amount": 18.24
      },
      {
        "material": "whiting",
        "amount": 10.19
      },
      {
        "material": "ep kaolin",
        "amount": 9.89
      },
      {
        "material": "dolomite",
        "amount": 9.27
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.83
      },
      {
        "material": "wollastonite",
        "amount": 2.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.72
      },
      {
        "material": "total",
        "amount": 112.72
      }
    ]
  },
  {
    "id": "19393",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.36,
      "Al2O3": 20.25,
      "Na2O": 5.3,
      "K2O": 4.44,
      "MgO": 2.35,
      "CaO": 4.17,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 5.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.56
      },
      {
        "material": "ep kaolin",
        "amount": 14.63
      },
      {
        "material": "potash feldspar",
        "amount": 10.95
      },
      {
        "material": "silica",
        "amount": 10.54
      },
      {
        "material": "dolomite",
        "amount": 10.13
      },
      {
        "material": "wollastonite",
        "amount": 1.19
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "19421",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.77,
      "Al2O3": 8.6,
      "B2O3": 6.25,
      "Na2O": 3.69,
      "K2O": 2.97,
      "MgO": 0.82,
      "CaO": 14.23,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.1,
      "MnO": 0.02,
      "Fe2O3": 0.13,
      "CuO": 0.47,
      "SnO2": 4.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.0
      },
      {
        "material": "wollastonite - vansil",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "camadil dolomite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.85
      }
    ]
  },
  {
    "id": "19428",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.43,
      "Al2O3": 11.31,
      "B2O3": 4.05,
      "Na2O": 2.39,
      "K2O": 6.28,
      "MgO": 1.01,
      "CaO": 9.88,
      "SrO": 1.24,
      "TiO2": 0.0,
      "Fe2O3": 0.02,
      "CuO": 0.28,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bps potash feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "gillespie borate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "devon china clay",
        "amount": 2.0
      },
      {
        "material": "dolomite",
        "amount": 1.5
      },
      {
        "material": "strontium carbonate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "19438",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.43,
      "Al2O3": 13.53,
      "Na2O": 5.67,
      "K2O": 2.62,
      "MgO": 0.11,
      "CaO": 8.96,
      "BaO": 3.89,
      "Fe2O3": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 53.0
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "whiting",
        "amount": 15.5
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "19496",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.13,
      "Al2O3": 9.22,
      "Na2O": 5.64,
      "K2O": 1.71,
      "MgO": 0.4,
      "CaO": 9.33,
      "P2O5": 0.91,
      "MnO": 0.02,
      "Fe2O3": 0.16,
      "CuO": 0.51,
      "ZnO": 1.99,
      "SnO2": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 17.0
      },
      {
        "material": "fusion frit 413",
        "amount": 17.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 102.8
      }
    ]
  },
  {
    "id": "19505",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.74,
      "Al2O3": 17.17,
      "Na2O": 0.01,
      "K2O": 10.21,
      "MgO": 6.61,
      "CaO": 0.03,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 58.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19531",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.55,
      "Al2O3": 11.97,
      "Na2O": 0.02,
      "K2O": 2.72,
      "MgO": 1.24,
      "CaO": 13.17,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 42.8
      },
      {
        "material": "ep kaolin",
        "amount": 21.2
      },
      {
        "material": "whiting",
        "amount": 17.7
      },
      {
        "material": "potash feldspar",
        "amount": 13.5
      },
      {
        "material": "dolomite",
        "amount": 4.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19539",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.51,
      "Al2O3": 9.4,
      "B2O3": 4.94,
      "Na2O": 4.39,
      "K2O": 0.82,
      "MgO": 2.88,
      "CaO": 4.81,
      "SrO": 0.03,
      "BaO": 1.39,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 13.46,
      "FeO": 0.02,
      "Fe2O3": 0.16,
      "ZnO": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "19540",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 10.14,
      "B2O3": 5.05,
      "Na2O": 4.48,
      "K2O": 0.77,
      "MgO": 2.93,
      "CaO": 4.89,
      "SrO": 0.03,
      "BaO": 1.42,
      "TiO2": 0.0,
      "ZrO2": 6.17,
      "FeO": 0.02,
      "Fe2O3": 0.03,
      "ZnO": 1.09,
      "SnO2": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "19639",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.71,
      "Al2O3": 22.32,
      "Na2O": 8.88,
      "K2O": 4.2,
      "MgO": 2.05,
      "CaO": 0.65,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 89.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "19648",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.83,
      "Al2O3": 10.33,
      "B2O3": 4.11,
      "Li2O": 1.44,
      "Na2O": 1.88,
      "K2O": 0.18,
      "MgO": 4.02,
      "CaO": 9.07,
      "TiO2": 15.72,
      "Fe2O3": 0.91,
      "SnO2": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
  {
    "id": "19759",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.05,
      "Al2O3": 10.53,
      "B2O3": 4.06,
      "Na2O": 1.69,
      "K2O": 4.01,
      "MgO": 0.67,
      "CaO": 13.11,
      "SrO": 1.62,
      "TiO2": 0.02,
      "Fe2O3": 1.14,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "bps potash feldspar",
        "amount": 30.0
      },
      {
        "material": "gillespie borate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "devon china clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "19762",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.1,
      "Al2O3": 12.71,
      "B2O3": 4.09,
      "Na2O": 1.54,
      "K2O": 3.62,
      "MgO": 0.69,
      "CaO": 13.24,
      "SrO": 1.64,
      "TiO2": 0.04,
      "Fe2O3": 1.21,
      "SnO2": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "bps potash feldspar",
        "amount": 25.0
      },
      {
        "material": "devon china clay",
        "amount": 17.5
      },
      {
        "material": "gillespie borate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "19787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.33,
      "Al2O3": 5.08,
      "B2O3": 5.01,
      "Na2O": 2.3,
      "K2O": 4.04,
      "MgO": 1.92,
      "CaO": 15.02,
      "P2O5": 0.07,
      "Fe2O3": 0.02,
      "CuO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.79
      },
      {
        "material": "whiting",
        "amount": 19.67
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 8.08
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 102.9
      },
      {
        "material": "coe",
        "amount": 70.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "19815",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.98,
      "Al2O3": 11.17,
      "B2O3": 5.48,
      "Na2O": 3.83,
      "K2O": 1.53,
      "MgO": 0.76,
      "CaO": 9.93,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 9.9,
      "CoO": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "19819",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.22,
      "Al2O3": 15.84,
      "B2O3": 8.99,
      "Na2O": 4.9,
      "K2O": 2.65,
      "MgO": 1.21,
      "CaO": 7.41,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.27,
      "CuO": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 46.0
      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "19820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.22,
      "Al2O3": 7.33,
      "B2O3": 6.61,
      "Na2O": 2.23,
      "K2O": 4.15,
      "MgO": 1.87,
      "CaO": 13.2,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "19846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.72,
      "Al2O3": 9.36,
      "Na2O": 0.0,
      "K2O": 6.94,
      "MgO": 0.01,
      "CaO": 8.41,
      "P2O5": 0.01,
      "TiO2": 5.01,
      "Fe2O3": 1.93,
      "CoO": 0.63,
      "ZnO": 11.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "19894",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.19,
      "Al2O3": 8.33,
      "B2O3": 12.29,
      "Na2O": 3.88,
      "K2O": 0.15,
      "MgO": 0.73,
      "CaO": 9.84,
      "P2O5": 0.07,
      "TiO2": 5.54,
      "Fe2O3": 0.83,
      "CoO": 0.19,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "19931",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.06,
      "Al2O3": 8.72,
      "B2O3": 3.71,
      "Na2O": 2.09,
      "K2O": 4.9,
      "MgO": 0.63,
      "CaO": 8.37,
      "SrO": 3.18,
      "P2O5": 0.31,
      "TiO2": 0.5,
      "Fe2O3": 0.34,
      "CoO": 0.34,
      "CuO": 0.24,
      "ZnO": 0.54,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.4
      },
      {
        "material": "silica",
        "amount": 28.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.8
      },
      {
        "material": "whiting",
        "amount": 8.4
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "kaolin",
        "amount": 2.6
      },
      {
        "material": "wood ash",
        "amount": 2.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 0.5
      },
      {
        "material": "zinc oxide",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 102.55
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "19998",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.39,
      "Al2O3": 11.21,
      "B2O3": 3.98,
      "Na2O": 4.89,
      "K2O": 2.06,
      "MgO": 1.46,
      "CaO": 12.53,
      "SrO": 0.07,
      "TiO2": 0.0,
      "Fe2O3": 0.06,
      "CuO": 0.33,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "gillespie borate",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 3.5
      },
      {
        "material": "devon china clay",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "20020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.1,
      "Al2O3": 17.02,
      "B2O3": 5.06,
      "Na2O": 2.34,
      "K2O": 0.37,
      "MgO": 0.04,
      "CaO": 18.57,
      "P2O5": 0.09,
      "TiO2": 0.14,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 34.9
      },
      {
        "material": "ep kaolin",
        "amount": 33.98
      },
      {
        "material": "wollastonite",
        "amount": 26.21
      },
      {
        "material": "silica",
        "amount": 4.85
      },
      {
        "material": "total",
        "amount": 99.94
      }
    ]
  },
  {
    "id": "20085",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.91,
      "Al2O3": 10.5,
      "B2O3": 4.97,
      "Na2O": 4.92,
      "K2O": 1.94,
      "MgO": 2.5,
      "CaO": 11.39,
      "SrO": 0.09,
      "Fe2O3": 0.41,
      "CuO": 0.28,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gillespie borate",
        "amount": 18.5
      },
      {
        "material": "dolomite",
        "amount": 6.75
      },
      {
        "material": "whiting",
        "amount": 6.75
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 103.7
      }
    ]
  },
  {
    "id": "20086",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.49,
      "Al2O3": 10.45,
      "B2O3": 4.97,
      "Na2O": 4.12,
      "K2O": 3.23,
      "MgO": 1.94,
      "CaO": 11.93,
      "SrO": 0.09,
      "Fe2O3": 0.39,
      "CuO": 0.28,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.5
      },
      {
        "material": "gillespie borate",
        "amount": 18.5
      },
      {
        "material": "bps potash feldspar",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 103.7
      }
    ]
  },
  {
    "id": "20093",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.15,
      "Al2O3": 17.94,
      "B2O3": 2.33,
      "Na2O": 4.01,
      "K2O": 1.71,
      "MgO": 4.61,
      "CaO": 10.37,
      "SrO": 0.04,
      "TiO2": 4.86,
      "MnO": 1.33,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.9
      },
      {
        "material": "kaolin",
        "amount": 20.3
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gillespie borate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "20098",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.76,
      "Al2O3": 18.15,
      "B2O3": 2.35,
      "Na2O": 4.06,
      "K2O": 1.73,
      "MgO": 4.67,
      "CaO": 10.5,
      "SrO": 0.04,
      "TiO2": 4.92,
      "Fe2O3": 0.65,
      "CoO": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.9
      },
      {
        "material": "kaolin",
        "amount": 20.3
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gillespie borate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "20099",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.67,
      "Al2O3": 18.12,
      "B2O3": 2.35,
      "Na2O": 4.05,
      "K2O": 1.72,
      "MgO": 4.66,
      "CaO": 10.48,
      "SrO": 0.04,
      "ZrO2": 5.45,
      "Fe2O3": 0.11,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.9
      },
      {
        "material": "kaolin",
        "amount": 20.3
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gillespie borate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "20100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.75,
      "Al2O3": 17.11,
      "B2O3": 2.22,
      "Na2O": 3.83,
      "K2O": 1.63,
      "MgO": 4.4,
      "CaO": 9.9,
      "SrO": 0.04,
      "Fe2O3": 5.98,
      "SnO2": 5.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.9
      },
      {
        "material": "kaolin",
        "amount": 20.3
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gillespie borate",
        "amount": 8.8
      },
      {
        "material": "whiting",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "20101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 10.1,
      "B2O3": 5.64,
      "Na2O": 3.15,
      "K2O": 2.15,
      "MgO": 1.53,
      "CaO": 7.06,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.28,
      "CoO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "20113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.69,
      "Al2O3": 16.02,
      "Li2O": 3.4,
      "Na2O": 0.07,
      "K2O": 0.09,
      "MgO": 1.65,
      "CaO": 12.7,
      "P2O5": 0.1,
      "TiO2": 0.05,
      "MnO": 0.01,
      "Fe2O3": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene - australian",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "20140",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.95,
      "Al2O3": 45.75,
      "Na2O": 2.18,
      "K2O": 2.9,
      "MgO": 0.02,
      "CaO": 6.38,
      "Fe2O3": 0.02,
      "CoO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alumina hydrate",
        "amount": 43.86
      },
      {
        "material": "nepheline syenite",
        "amount": 17.54
      },
      {
        "material": "silica",
        "amount": 13.16
      },
      {
        "material": "potash feldspar",
        "amount": 8.77
      },
      {
        "material": "whiting",
        "amount": 8.77
      },
      {
        "material": "kaolin",
        "amount": 4.39
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.51
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "20213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.31,
      "Al2O3": 10.85,
      "B2O3": 6.11,
      "Na2O": 2.45,
      "K2O": 2.17,
      "MgO": 0.89,
      "CaO": 11.71,
      "P2O5": 0.02,
      "TiO2": 10.74,
      "Fe2O3": 0.34,
      "ZnO": 11.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 21.8
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 19.7
      },
      {
        "material": "custer feldspar",
        "amount": 13.1
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.9
      },
      {
        "material": "nepheline syenite",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "20243",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.17,
      "Al2O3": 19.26,
      "Na2O": 5.07,
      "K2O": 3.05,
      "MgO": 0.06,
      "CaO": 9.77,
      "BaO": 6.12,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "CuO": 0.36,
      "ZnO": 7.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.7
      },
      {
        "material": "nepheline syenite",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.4
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "barium carbonate",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "20244",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.4,
      "Al2O3": 18.96,
      "Na2O": 4.99,
      "K2O": 3.0,
      "MgO": 0.06,
      "CaO": 13.94,
      "P2O5": 3.33,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "CuO": 0.35,
      "ZnO": 7.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.7
      },
      {
        "material": "nepheline syenite",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.4
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "bone ash",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "20246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.04,
      "Al2O3": 12.64,
      "Na2O": 0.84,
      "K2O": 3.13,
      "MgO": 0.07,
      "CaO": 12.29,
      "BaO": 1.72,
      "TiO2": 0.01,
      "Fe2O3": 1.15,
      "SnO2": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.3
      },
      {
        "material": "custer feldspar",
        "amount": 24.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.6
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "20304",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.15,
      "Al2O3": 12.48,
      "Li2O": 0.99,
      "Na2O": 1.38,
      "K2O": 4.61,
      "MgO": 3.26,
      "CaO": 7.75,
      "P2O5": 5.8,
      "TiO2": 0.05,
      "Fe2O3": 7.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.0
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "talc",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "20314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.6,
      "Al2O3": 12.35,
      "Na2O": 0.98,
      "K2O": 3.3,
      "MgO": 3.8,
      "CaO": 12.05,
      "P2O5": 0.05,
      "TiO2": 8.27,
      "Fe2O3": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "20325",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20326",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20328",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20329",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20331",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20332",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20333",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20334",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20335",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "total",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "20355",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.92,
      "Al2O3": 10.11,
      "B2O3": 6.07,
      "Na2O": 2.13,
      "K2O": 4.19,
      "MgO": 1.54,
      "CaO": 12.55,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.19,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "20395",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.53,
      "Al2O3": 14.91,
      "B2O3": 2.74,
      "Na2O": 0.47,
      "K2O": 13.36,
      "MgO": 0.4,
      "CaO": 8.26,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 0.2,
      "SnO2": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 72.63
      },
      {
        "material": "whiting",
        "amount": 10.3
      },
      {
        "material": "gerstley borate",
        "amount": 9.46
      },
      {
        "material": "silica",
        "amount": 4.55
      },
      {
        "material": "bentonite",
        "amount": 1.86
      },
      {
        "material": "tin oxide",
        "amount": 0.93
      },
      {
        "material": "copper carbonate",
        "amount": 0.28
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "20401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.52,
      "Al2O3": 10.34,
      "Na2O": 2.93,
      "K2O": 1.47,
      "MgO": 0.07,
      "CaO": 10.76,
      "TiO2": 15.96,
      "Fe2O3": 1.91,
      "ZnO": 7.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "blue heron stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "20402",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.17,
      "Al2O3": 21.42,
      "Na2O": 4.75,
      "K2O": 2.44,
      "MgO": 4.03,
      "CaO": 12.5,
      "P2O5": 0.03,
      "TiO2": 0.28,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "blue heron stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "20403",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.62,
      "Al2O3": 15.79,
      "Li2O": 1.3,
      "Na2O": 3.0,
      "K2O": 2.11,
      "MgO": 0.03,
      "CaO": 0.75,
      "BaO": 25.27,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 40.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "blue heron stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "20466",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.16,
      "Al2O3": 15.5,
      "B2O3": 0.64,
      "Li2O": 1.9,
      "Na2O": 3.75,
      "K2O": 2.14,
      "MgO": 1.95,
      "CaO": 15.68,
      "P2O5": 0.04,
      "TiO2": 14.03,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 42.4
      },
      {
        "material": "whiting",
        "amount": 17.9
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "titanium dioxide",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.3
      },
      {
        "material": "ferro frit 3124",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "20474",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.75,
      "Al2O3": 9.08,
      "B2O3": 2.89,
      "Na2O": 1.38,
      "K2O": 7.63,
      "MgO": 0.06,
      "CaO": 9.7,
      "P2O5": 0.89,
      "Fe2O3": 0.1,
      "CuO": 0.63,
      "ZnO": 2.93,
      "SnO2": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "20490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.81,
      "Al2O3": 13.97,
      "B2O3": 4.5,
      "Na2O": 1.3,
      "K2O": 1.38,
      "MgO": 0.24,
      "CaO": 14.86,
      "TiO2": 6.15,
      "Fe2O3": 0.19,
      "CuO": 1.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "каолин кфн-2",
        "amount": 28.0
      },
      {
        "material": "волластонит (миволл)",
        "amount": 24.0
      },
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 22.0
      },
      {
        "material": "нефелин сиенит (altaflux-45)",
        "amount": 16.0
      },
      {
        "material": "борат кальция",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "20546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.05,
      "Al2O3": 11.27,
      "B2O3": 5.65,
      "Na2O": 3.11,
      "K2O": 0.57,
      "MgO": 1.37,
      "CaO": 12.7,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 22.7
      },
      {
        "material": "silica",
        "amount": 21.6
      },
      {
        "material": "ep kaolin",
        "amount": 18.6
      },
      {
        "material": "wollastonite",
        "amount": 14.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.3
      },
      {
        "material": "minspar 200",
        "amount": 8.2
      },
      {
        "material": "talc",
        "amount": 4.1
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "20642",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.4,
      "Al2O3": 12.09,
      "B2O3": 2.63,
      "Na2O": 4.1,
      "K2O": 1.8,
      "MgO": 1.99,
      "CaO": 6.99,
      "P2O5": 0.03,
      "TiO2": 7.09,
      "Fe2O3": 0.98,
      "ZnO": 4.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      },
      {
        "material": "specific gravity",
        "amount": 148.0
      }
    ]
  },
  {
    "id": "20716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.17,
      "Al2O3": 7.81,
      "Na2O": 2.27,
      "K2O": 14.13,
      "MgO": 2.21,
      "CaO": 6.95,
      "P2O5": 4.54,
      "Fe2O3": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "mixed wood ash",
        "amount": 33.3
      },
      {
        "material": "silica",
        "amount": 26.6
      },
      {
        "material": "total",
        "amount": 99.9
      }
    ]
  },
  {
    "id": "20731",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.05,
      "Al2O3": 12.5,
      "B2O3": 5.63,
      "Na2O": 2.25,
      "K2O": 4.79,
      "MgO": 0.75,
      "CaO": 14.7,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain 6006 - deep crimson",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "20780",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.95,
      "Al2O3": 8.88,
      "B2O3": 3.15,
      "Na2O": 3.16,
      "K2O": 2.77,
      "MgO": 0.43,
      "CaO": 12.09,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.15,
      "CuO": 0.53,
      "SnO2": 1.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.43
      },
      {
        "material": "whiting",
        "amount": 15.73
      },
      {
        "material": "custer feldspar",
        "amount": 15.57
      },
      {
        "material": "gerstley borate",
        "amount": 10.79
      },
      {
        "material": "kaolin",
        "amount": 1.48
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.72
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "yellow ochre",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 102.72
      }
    ]
  },
  {
    "id": "20812",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.35,
      "Al2O3": 7.71,
      "B2O3": 4.75,
      "Na2O": 3.38,
      "K2O": 7.05,
      "MgO": 0.0,
      "CaO": 9.9,
      "SrO": 0.03,
      "BaO": 1.33,
      "P2O5": 0.86,
      "TiO2": 0.0,
      "FeO": 0.02,
      "CuO": 0.52,
      "ZnO": 3.06,
      "SnO2": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "wollastonite",
        "amount": 17.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 17.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 96.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 99.8
      }
    ]
  },
  {
    "id": "20822",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.95,
      "Al2O3": 7.32,
      "B2O3": 7.7,
      "Na2O": 2.24,
      "K2O": 0.86,
      "MgO": 3.66,
      "CaO": 7.78,
      "P2O5": 1.29,
      "TiO2": 0.08,
      "Fe2O3": 14.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "gerstley borate",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 9.2
      },
      {
        "material": "bone ash",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "20847",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.02,
      "Al2O3": 12.58,
      "B2O3": 3.78,
      "Na2O": 2.93,
      "K2O": 1.23,
      "MgO": 0.64,
      "CaO": 12.54,
      "SrO": 0.07,
      "TiO2": 0.04,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.5
      },
      {
        "material": "bps soda feldspar",
        "amount": 24.0
      },
      {
        "material": "devon china clay",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gillespie borate",
        "amount": 13.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "20873",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.4,
      "Al2O3": 11.8,
      "Na2O": 1.35,
      "K2O": 4.52,
      "MgO": 0.01,
      "CaO": 12.72,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 96.0
      },
      {
        "material": "silica",
        "amount": 72.0
      },
      {
        "material": "whiting",
        "amount": 48.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "total",
        "amount": 240.0
      }
    ]
  },
  {
    "id": "20874",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.4,
      "Al2O3": 11.8,
      "Na2O": 1.35,
      "K2O": 4.52,
      "MgO": 0.01,
      "CaO": 12.72,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 96.0
      },
      {
        "material": "silica",
        "amount": 72.0
      },
      {
        "material": "whiting",
        "amount": 48.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "total",
        "amount": 240.0
      }
    ]
  },
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    "id": "20875",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.47,
      "Al2O3": 13.47,
      "Na2O": 1.3,
      "K2O": 4.37,
      "MgO": 0.02,
      "CaO": 9.1,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 98.7
      },
      {
        "material": "silica",
        "amount": 78.8
      },
      {
        "material": "ep kaolin",
        "amount": 37.6
      },
      {
        "material": "whiting",
        "amount": 36.5
      },
      {
        "material": "total",
        "amount": 251.6
      }
    ]
  },
  {
    "id": "20876",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.8,
      "Al2O3": 12.19,
      "Na2O": 1.18,
      "K2O": 3.95,
      "MgO": 0.02,
      "CaO": 8.24,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "ZrO2": 6.38,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 98.7
      },
      {
        "material": "silica",
        "amount": 78.8
      },
      {
        "material": "ep kaolin",
        "amount": 37.6
      },
      {
        "material": "whiting",
        "amount": 36.5
      },
      {
        "material": "zircopax",
        "amount": 24.0
      },
      {
        "material": "total",
        "amount": 275.6
      }
    ]
  },
  {
    "id": "20880",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.5,
      "Al2O3": 15.75,
      "Na2O": 0.98,
      "K2O": 3.29,
      "MgO": 3.85,
      "CaO": 7.09,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 57.14
      },
      {
        "material": "silica",
        "amount": 57.14
      },
      {
        "material": "ep kaolin",
        "amount": 49.35
      },
      {
        "material": "dolomite",
        "amount": 31.16
      },
      {
        "material": "whiting",
        "amount": 5.19
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 203.98
      }
    ]
  },
  {
    "id": "20882",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.04,
      "Al2O3": 15.22,
      "Na2O": 0.95,
      "K2O": 3.18,
      "MgO": 3.72,
      "CaO": 6.85,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "ZrO2": 3.64,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 57.14
      },
      {
        "material": "silica",
        "amount": 57.14
      },
      {
        "material": "ep kaolin",
        "amount": 49.35
      },
      {
        "material": "dolomite",
        "amount": 31.16
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.19
      },
      {
        "material": "total",
        "amount": 209.98
      }
    ]
  },
  {
    "id": "20904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.2,
      "Al2O3": 9.77,
      "Na2O": 0.0,
      "K2O": 7.03,
      "MgO": 0.01,
      "CaO": 8.09,
      "P2O5": 0.02,
      "TiO2": 5.51,
      "Fe2O3": 0.04,
      "CuO": 1.93,
      "ZnO": 12.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 41.49
      },
      {
        "material": "silica",
        "amount": 25.77
      },
      {
        "material": "whiting",
        "amount": 14.43
      },
      {
        "material": "zinc oxide",
        "amount": 12.44
      },
      {
        "material": "ep kaolin",
        "amount": 5.87
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "20923",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.68,
      "Al2O3": 13.75,
      "B2O3": 0.95,
      "Na2O": 5.47,
      "K2O": 0.85,
      "CaO": 2.26,
      "ZnO": 19.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 35.49
      },
      {
        "material": "zinc oxide",
        "amount": 18.83
      },
      {
        "material": "calcined kaolin",
        "amount": 18.6
      },
      {
        "material": "silica",
        "amount": 17.79
      },
      {
        "material": "kaolin",
        "amount": 9.3
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "20924",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.17,
      "Al2O3": 13.18,
      "B2O3": 0.88,
      "Na2O": 5.11,
      "K2O": 0.79,
      "CaO": 2.11,
      "ZnO": 17.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 33.09
      },
      {
        "material": "silica",
        "amount": 22.45
      },
      {
        "material": "zinc oxide",
        "amount": 17.54
      },
      {
        "material": "calcined kaolin",
        "amount": 16.95
      },
      {
        "material": "kaolin",
        "amount": 9.97
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "20926",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.33,
      "Al2O3": 11.21,
      "B2O3": 1.08,
      "Na2O": 6.22,
      "K2O": 0.96,
      "CaO": 2.57,
      "ZnO": 21.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 39.59
      },
      {
        "material": "kaolin",
        "amount": 23.43
      },
      {
        "material": "zinc oxide",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 15.98
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "20935",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.01,
      "Al2O3": 12.36,
      "Na2O": 1.22,
      "K2O": 4.52,
      "MgO": 1.78,
      "CaO": 12.62,
      "P2O5": 0.13,
      "Fe2O3": 0.25,
      "NiO": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 25.0
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 20.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "20960",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.81,
      "Al2O3": 16.76,
      "Li2O": 1.15,
      "Na2O": 6.02,
      "K2O": 2.85,
      "MgO": 0.07,
      "CaO": 0.44,
      "SrO": 19.88,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 1.89,
      "Fe2O3": 1.9,
      "CoO": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 113.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "20962",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.24,
      "Al2O3": 17.5,
      "Li2O": 1.23,
      "Na2O": 6.42,
      "K2O": 3.03,
      "MgO": 0.07,
      "CaO": 6.3,
      "BaO": 14.07,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "barium carbonate",
        "amount": 18.0
      },
      {
        "material": "wollastonite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "silica",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 106.5
      },
      {
        "material": "blue heron stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "21018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.08,
      "Al2O3": 11.9,
      "B2O3": 4.69,
      "Na2O": 1.98,
      "K2O": 1.65,
      "CaO": 10.37,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 38.23
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 25.48
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 9.85
      },
      {
        "material": "néphéline syenite (solargil 2018)",
        "amount": 4.25
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "coe",
        "amount": 51.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "21032",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.07,
      "Al2O3": 10.51,
      "B2O3": 5.65,
      "Na2O": 3.21,
      "K2O": 2.17,
      "MgO": 1.58,
      "CaO": 7.09,
      "P2O5": 0.04,
      "TiO2": 2.64,
      "Fe2O3": 5.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "21114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.63,
      "Al2O3": 13.36,
      "B2O3": 8.8,
      "Na2O": 4.63,
      "K2O": 2.39,
      "MgO": 0.02,
      "CaO": 7.65,
      "P2O5": 0.06,
      "TiO2": 3.63,
      "Fe2O3": 0.59,
      "CoO": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 39.2
      },
      {
        "material": "custer feldspar",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 23.5
      },
      {
        "material": "silica",
        "amount": 13.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "21137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.61,
      "Al2O3": 12.38,
      "Na2O": 5.21,
      "K2O": 2.45,
      "MgO": 0.05,
      "CaO": 9.61,
      "BaO": 20.64,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21138",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.68,
      "Al2O3": 13.4,
      "Na2O": 3.08,
      "K2O": 2.02,
      "MgO": 0.06,
      "CaO": 12.54,
      "BaO": 20.96,
      "P2O5": 0.03,
      "TiO2": 0.07,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 23.0
      },
      {
        "material": "wollastonite",
        "amount": 23.0
      },
      {
        "material": "cornwall stone",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.57,
      "Al2O3": 10.1,
      "Na2O": 2.76,
      "K2O": 4.38,
      "MgO": 2.72,
      "CaO": 10.36,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.14,
      "Al2O3": 13.56,
      "Li2O": 0.28,
      "Na2O": 0.02,
      "K2O": 3.91,
      "MgO": 0.02,
      "CaO": 12.75,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "petalite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.11,
      "Al2O3": 13.67,
      "B2O3": 4.59,
      "Na2O": 3.39,
      "K2O": 4.03,
      "MgO": 0.46,
      "CaO": 9.87,
      "SrO": 0.03,
      "BaO": 1.29,
      "P2O5": 0.1,
      "TiO2": 0.37,
      "FeO": 0.02,
      "Fe2O3": 2.09,
      "ZnO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.6,
      "Al2O3": 11.6,
      "Na2O": 1.06,
      "K2O": 3.52,
      "MgO": 0.09,
      "CaO": 13.76,
      "P2O5": 0.0,
      "TiO2": 0.16,
      "Fe2O3": 2.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 31.4
      },
      {
        "material": "silica",
        "amount": 29.4
      },
      {
        "material": "whiting",
        "amount": 23.5
      },
      {
        "material": "ball clay",
        "amount": 15.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 8.8
      },
      {
        "material": "alberta slip",
        "amount": 1.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.8
      }
    ]
  },
  {
    "id": "21305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 14.25,
      "B2O3": 4.71,
      "Na2O": 5.75,
      "K2O": 2.54,
      "MgO": 0.68,
      "CaO": 13.0,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.3
      },
      {
        "material": "silica",
        "amount": 19.7
      },
      {
        "material": "gerstley borate",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "neodymium oxide testing",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "21306",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 14.25,
      "B2O3": 4.71,
      "Na2O": 5.75,
      "K2O": 2.54,
      "MgO": 0.68,
      "CaO": 13.0,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.3
      },
      {
        "material": "silica",
        "amount": 19.7
      },
      {
        "material": "gerstley borate",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "holmium oxide testing",
        "amount": 7.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "21309",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.12,
      "Al2O3": 10.12,
      "B2O3": 5.94,
      "Na2O": 5.8,
      "K2O": 0.06,
      "MgO": 3.13,
      "CaO": 9.41,
      "P2O5": 0.03,
      "TiO2": 5.46,
      "Fe2O3": 0.75,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "21311",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.02,
      "Al2O3": 12.3,
      "B2O3": 6.97,
      "Na2O": 3.12,
      "K2O": 0.11,
      "MgO": 0.03,
      "CaO": 17.08,
      "P2O5": 0.08,
      "TiO2": 5.45,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black stain c-8382 testing",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "21315",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.15,
      "Al2O3": 9.88,
      "B2O3": 5.63,
      "Na2O": 5.48,
      "K2O": 0.02,
      "MgO": 2.95,
      "CaO": 8.89,
      "Fe2O3": 9.09,
      "CuO": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "21317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.12,
      "Al2O3": 10.75,
      "B2O3": 6.13,
      "Na2O": 5.97,
      "K2O": 0.02,
      "MgO": 3.21,
      "CaO": 9.68,
      "Fe2O3": 1.05,
      "CuO": 2.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "21318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.39,
      "Al2O3": 14.11,
      "Li2O": 0.83,
      "Na2O": 4.63,
      "K2O": 2.17,
      "MgO": 0.09,
      "CaO": 0.35,
      "BaO": 32.17,
      "Fe2O3": 0.12,
      "CuO": 4.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "21319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.91,
      "Al2O3": 10.37,
      "B2O3": 5.91,
      "Na2O": 5.75,
      "K2O": 0.02,
      "MgO": 3.1,
      "CaO": 9.33,
      "MnO2": 0.87,
      "Fe2O3": 5.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "21320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.61,
      "Al2O3": 14.32,
      "Na2O": 4.7,
      "K2O": 2.29,
      "MgO": 0.13,
      "CaO": 0.38,
      "BaO": 30.15,
      "TiO2": 0.13,
      "Fe2O3": 0.24,
      "CuO": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.2
      },
      {
        "material": "barium carbonate",
        "amount": 36.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.9
      },
      {
        "material": "silica",
        "amount": 9.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "21321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.72,
      "Al2O3": 9.98,
      "B2O3": 5.69,
      "Na2O": 5.54,
      "K2O": 0.02,
      "MgO": 2.98,
      "CaO": 8.98,
      "TiO2": 6.56,
      "Fe2O3": 3.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.6
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "21327",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.92,
      "Al2O3": 18.79,
      "Na2O": 5.66,
      "K2O": 9.64,
      "MgO": 4.97,
      "CaO": 6.93,
      "P2O5": 0.06,
      "TiO2": 5.17,
      "Fe2O3": 0.73,
      "NiO": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "21338",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.56,
      "Al2O3": 11.77,
      "Na2O": 0.65,
      "K2O": 3.78,
      "MgO": 0.65,
      "CaO": 0.31,
      "BaO": 4.19,
      "TiO2": 0.57,
      "Cr2O3": 0.54,
      "MnO": 2.83,
      "Fe2O3": 12.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 75.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "21341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.52,
      "Al2O3": 11.29,
      "B2O3": 8.26,
      "Na2O": 2.58,
      "K2O": 4.61,
      "MgO": 1.09,
      "CaO": 10.3,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.0
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21344",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.6,
      "Al2O3": 12.7,
      "Li2O": 0.51,
      "Na2O": 0.78,
      "K2O": 2.43,
      "MgO": 0.11,
      "CaO": 11.95,
      "P2O5": 0.02,
      "TiO2": 0.28,
      "Fe2O3": 1.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.7
      },
      {
        "material": "custer feldspar",
        "amount": 20.5
      },
      {
        "material": "whiting",
        "amount": 19.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.2
      },
      {
        "material": "petalite",
        "amount": 9.7
      },
      {
        "material": "ep kaolin",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "rutile",
        "amount": 0.08
      },
      {
        "material": "total",
        "amount": 103.33
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "21345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.5,
      "Al2O3": 12.55,
      "B2O3": 2.42,
      "Na2O": 4.74,
      "K2O": 2.8,
      "MgO": 0.32,
      "CaO": 8.41,
      "P2O5": 2.15,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "ZnO": 5.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 63.8
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.6
      },
      {
        "material": "bone ash",
        "amount": 4.8
      },
      {
        "material": "whiting",
        "amount": 4.8
      },
      {
        "material": "zinc oxide",
        "amount": 4.8
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "samarium oxide testing",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.1
      }
    ]
  },
  {
    "id": "21362",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.21,
      "Al2O3": 3.11,
      "B2O3": 1.23,
      "Li2O": 1.18,
      "Na2O": 7.15,
      "K2O": 1.13,
      "MgO": 0.05,
      "CaO": 2.95,
      "P2O5": 0.01,
      "TiO2": 0.11,
      "MnO2": 1.68,
      "Fe2O3": 0.1,
      "CoO": 0.3,
      "CuO": 0.62,
      "ZnO": 24.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 48.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "titanium dioxide",
        "amount": 0.1
      },
      {
        "material": "total base recipe",
        "amount": 103.1
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "21369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.92,
      "Al2O3": 2.79,
      "B2O3": 1.16,
      "Li2O": 1.24,
      "Na2O": 6.74,
      "K2O": 1.06,
      "MgO": 2.13,
      "CaO": 4.33,
      "P2O5": 0.01,
      "TiO2": 6.53,
      "Fe2O3": 0.69,
      "ZnO": 22.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 43.0
      },
      {
        "material": "zinc oxide",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "21371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.89,
      "Al2O3": 2.21,
      "B2O3": 1.28,
      "Li2O": 0.12,
      "Na2O": 7.4,
      "K2O": 1.15,
      "CaO": 3.06,
      "TiO2": 6.01,
      "Fe2O3": 2.85,
      "ZnO": 23.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 48.5
      },
      {
        "material": "zinc oxide",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "spodumene",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.36,
      "Al2O3": 1.66,
      "B2O3": 1.04,
      "Li2O": 0.41,
      "Na2O": 11.09,
      "K2O": 0.94,
      "MgO": 0.02,
      "CaO": 2.49,
      "TiO2": 1.01,
      "MnO2": 1.76,
      "Fe2O3": 0.04,
      "CuO": 2.93,
      "ZnO": 24.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.5
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "21373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.72,
      "Al2O3": 1.0,
      "B2O3": 1.18,
      "Na2O": 5.91,
      "K2O": 0.64,
      "MgO": 0.84,
      "CaO": 3.1,
      "P2O5": 0.0,
      "TiO2": 2.67,
      "MnO2": 7.72,
      "Fe2O3": 4.23,
      "CuO": 8.58,
      "ZnO": 20.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 94.0
      },
      {
        "material": "copper carbonate",
        "amount": 15.0
      },
      {
        "material": "manganese dioxide",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 124.0
      }
    ]
  },
  {
    "id": "21374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.51,
      "Al2O3": 2.36,
      "B2O3": 1.09,
      "Li2O": 0.78,
      "Na2O": 6.36,
      "K2O": 1.0,
      "MgO": 0.04,
      "CaO": 2.62,
      "TiO2": 5.77,
      "Fe2O3": 0.07,
      "CoO": 0.3,
      "ZnO": 23.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "calcined kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "21381",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.53,
      "Al2O3": 3.13,
      "B2O3": 1.23,
      "Li2O": 1.19,
      "Na2O": 7.19,
      "K2O": 1.13,
      "MgO": 0.05,
      "CaO": 2.97,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "MnO2": 1.69,
      "Fe2O3": 0.1,
      "CoO": 0.31,
      "CuO": 0.63,
      "ZnO": 21.4,
      "SnO2": 2.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "zinc oxide",
        "amount": 22.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 102.5
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "21383",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.25,
      "Al2O3": 2.94,
      "B2O3": 1.16,
      "Li2O": 1.12,
      "Na2O": 6.77,
      "K2O": 1.07,
      "MgO": 0.05,
      "CaO": 2.79,
      "P2O5": 0.01,
      "TiO2": 4.41,
      "MnO2": 1.59,
      "Fe2O3": 3.76,
      "ZnO": 21.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 48.0
      },
      {
        "material": "zinc oxide",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "21384",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.82,
      "Al2O3": 11.28,
      "B2O3": 6.84,
      "Na2O": 4.31,
      "K2O": 1.87,
      "MgO": 1.77,
      "CaO": 9.05,
      "P2O5": 0.04,
      "TiO2": 5.29,
      "Fe2O3": 0.81,
      "CoO": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 31.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "custer feldspar",
        "amount": 13.0
      },
      {
        "material": "minspar 200",
        "amount": 13.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "21396",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.59,
      "Al2O3": 24.16,
      "Na2O": 1.1,
      "K2O": 4.04,
      "MgO": 0.23,
      "CaO": 0.2,
      "TiO2": 0.14,
      "Fe2O3": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "water",
        "amount": 40.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "darvan",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 143.35
      }
    ]
  },
  {
    "id": "21422",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.2,
      "Al2O3": 13.36,
      "Na2O": 1.51,
      "K2O": 5.05,
      "MgO": 0.01,
      "CaO": 13.64,
      "P2O5": 0.03,
      "TiO2": 13.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 114.2
      }
    ]
  },
  {
    "id": "21430",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.32,
      "Al2O3": 16.93,
      "Li2O": 1.74,
      "Na2O": 5.92,
      "K2O": 2.77,
      "MgO": 0.1,
      "CaO": 0.44,
      "SrO": 17.23,
      "Fe2O3": 0.13,
      "CuO": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "strontium carbonate",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "21443",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 27.5,
      "Al2O3": 7.11,
      "B2O3": 3.8,
      "Na2O": 1.71,
      "K2O": 0.35,
      "MgO": 0.05,
      "CaO": 3.27,
      "BaO": 38.84,
      "TiO2": 0.01,
      "Fe2O3": 0.13,
      "NiO": 2.22,
      "ZnO": 15.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 45.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 16.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.5
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "21477",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.04,
      "Al2O3": 14.98,
      "Na2O": 0.34,
      "K2O": 9.87,
      "MgO": 1.59,
      "CaO": 12.21,
      "BaO": 4.39,
      "P2O5": 0.62,
      "TiO2": 0.06,
      "Fe2O3": 0.53,
      "CuO": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 45.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "wood ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "21500",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.17,
      "Al2O3": 8.97,
      "B2O3": 3.33,
      "Na2O": 7.41,
      "K2O": 1.16,
      "MgO": 1.23,
      "CaO": 5.89,
      "SrO": 1.59,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 1.73,
      "Fe2O3": 0.25,
      "CuO": 1.44,
      "ZnO": 1.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 43.03
      },
      {
        "material": "silica",
        "amount": 20.64
      },
      {
        "material": "ep kaolin",
        "amount": 17.34
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 4.35
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.3
      },
      {
        "material": "zircopax",
        "amount": 2.5
      },
      {
        "material": "strontium carbonate",
        "amount": 2.2
      },
      {
        "material": "zinc oxide",
        "amount": 1.65
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 104.26
      }
    ]
  },
  {
    "id": "21544",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.58,
      "Al2O3": 7.36,
      "B2O3": 5.03,
      "Na2O": 0.77,
      "K2O": 6.48,
      "MgO": 0.8,
      "CaO": 9.44,
      "SrO": 2.06,
      "Fe2O3": 5.32,
      "SnO2": 12.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gillespie borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "strontium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "21545",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.74,
      "Al2O3": 11.8,
      "B2O3": 4.58,
      "Li2O": 0.82,
      "Na2O": 2.04,
      "CaO": 13.22,
      "CoO": 0.3,
      "ZnO": 7.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 22.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.2
      },
      {
        "material": "wollastonite",
        "amount": 20.3
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "petalite",
        "amount": 17.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.9
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "21546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.45,
      "Al2O3": 13.62,
      "B2O3": 4.97,
      "Na2O": 3.34,
      "K2O": 1.21,
      "MgO": 2.58,
      "CaO": 12.95,
      "SrO": 0.09,
      "Fe2O3": 0.03,
      "CuO": 0.26,
      "SnO2": 6.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 24.2
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "gillespie borate",
        "amount": 18.7
      },
      {
        "material": "kaolin",
        "amount": 16.4
      },
      {
        "material": "whiting",
        "amount": 13.3
      },
      {
        "material": "talc",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.38
      },
      {
        "material": "total",
        "amount": 106.37
      }
    ]
  },
  {
    "id": "21555",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.3,
      "Al2O3": 11.27,
      "Na2O": 2.16,
      "K2O": 6.64,
      "MgO": 5.37,
      "CaO": 7.59,
      "TiO2": 0.02,
      "FeO": 0.05,
      "Fe2O3": 0.08,
      "ZnO": 5.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 54.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "21571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.02,
      "Al2O3": 13.05,
      "B2O3": 5.6,
      "Na2O": 0.84,
      "K2O": 7.98,
      "MgO": 0.74,
      "CaO": 14.49,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21572",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.82,
      "Al2O3": 8.49,
      "B2O3": 8.11,
      "Na2O": 4.16,
      "K2O": 1.5,
      "MgO": 2.57,
      "CaO": 11.02,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.63
      },
      {
        "material": "gerstley borate",
        "amount": 26.83
      },
      {
        "material": "nepheline syenite",
        "amount": 26.03
      },
      {
        "material": "dolomite",
        "amount": 5.81
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "ep kaolin",
        "amount": 2.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "21573",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.25,
      "Al2O3": 12.07,
      "B2O3": 5.99,
      "Na2O": 4.1,
      "K2O": 1.62,
      "MgO": 0.87,
      "CaO": 8.71,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "21580",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.95,
      "Al2O3": 9.92,
      "Li2O": 1.6,
      "Na2O": 4.9,
      "K2O": 0.02,
      "MgO": 5.35,
      "CaO": 8.24,
      "P2O5": 6.25,
      "Fe2O3": 10.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 44.8
      },
      {
        "material": "talc",
        "amount": 18.2
      },
      {
        "material": "bone ash",
        "amount": 16.1
      },
      {
        "material": "silica",
        "amount": 12.3
      },
      {
        "material": "kaolin",
        "amount": 4.3
      },
      {
        "material": "lithium carbonate",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.3
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.3
      }
    ]
  },
  {
    "id": "21658",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.66,
      "Al2O3": 19.98,
      "Na2O": 1.72,
      "K2O": 4.1,
      "MgO": 0.3,
      "CaO": 0.56,
      "P2O5": 0.0,
      "TiO2": 0.58,
      "Fe2O3": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "imco 400",
        "amount": 45.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 12.0
      },
      {
        "material": "redart",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "21703",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.8,
      "Al2O3": 5.43,
      "B2O3": 7.99,
      "Na2O": 1.77,
      "K2O": 2.09,
      "MgO": 5.01,
      "CaO": 6.98,
      "P2O5": 0.6,
      "TiO2": 0.06,
      "Fe2O3": 14.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.6
      },
      {
        "material": "silica",
        "amount": 29.6
      },
      {
        "material": "custer feldspar",
        "amount": 19.68
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.81
      },
      {
        "material": "ep kaolin",
        "amount": 5.05
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.14
      },
      {
        "material": "total",
        "amount": 115.14
      }
    ]
  },
  {
    "id": "21706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.98,
      "Al2O3": 17.07,
      "Na2O": 1.75,
      "K2O": 4.15,
      "MgO": 0.06,
      "CaO": 22.65,
      "P2O5": 0.17,
      "TiO2": 0.09,
      "Fe2O3": 0.29,
      "CuO": 3.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "21740",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.59,
      "Al2O3": 8.98,
      "B2O3": 6.28,
      "Na2O": 2.69,
      "K2O": 0.96,
      "MgO": 0.85,
      "CaO": 17.2,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.2,
      "CoO": 0.26,
      "SnO2": 6.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.25
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 106.4
      }
    ]
  },
  {
    "id": "21741",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.7,
      "Al2O3": 5.27,
      "B2O3": 1.33,
      "Na2O": 4.92,
      "K2O": 13.5,
      "MgO": 3.98,
      "CaO": 18.51,
      "SrO": 0.02,
      "P2O5": 7.67,
      "TiO2": 0.11,
      "Fe2O3": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 54.17
      },
      {
        "material": "ball clay",
        "amount": 10.41
      },
      {
        "material": "silica",
        "amount": 10.41
      },
      {
        "material": "custer feldspar",
        "amount": 9.38
      },
      {
        "material": "whiting",
        "amount": 9.38
      },
      {
        "material": "gillespie borate",
        "amount": 5.21
      },
      {
        "material": "soda ash",
        "amount": 1.04
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "21757",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.76,
      "Al2O3": 22.18,
      "Na2O": 2.74,
      "K2O": 3.08,
      "MgO": 1.72,
      "CaO": 3.65,
      "P2O5": 0.16,
      "TiO2": 0.57,
      "Fe2O3": 3.28,
      "CoO": 3.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 41.01
      },
      {
        "material": "ep kaolin",
        "amount": 24.36
      },
      {
        "material": "nepheline syenite a270",
        "amount": 23.25
      },
      {
        "material": "dolomite",
        "amount": 4.3
      },
      {
        "material": "silica",
        "amount": 3.72
      },
      {
        "material": "whiting",
        "amount": 3.37
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt oxide",
        "amount": 3.9
      },
      {
        "material": "total",
        "amount": 103.91
      }
    ]
  },
  {
    "id": "21760",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.84,
      "Al2O3": 15.59,
      "B2O3": 1.65,
      "Li2O": 2.04,
      "Na2O": 2.57,
      "K2O": 4.67,
      "MgO": 0.02,
      "CaO": 14.37,
      "SrO": 0.01,
      "BaO": 0.46,
      "P2O5": 0.05,
      "TiO2": 12.08,
      "FeO": 0.01,
      "Fe2O3": 1.28,
      "ZnO": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 12.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "21774",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.15,
      "Al2O3": 10.36,
      "Na2O": 1.94,
      "K2O": 3.04,
      "MgO": 1.43,
      "CaO": 7.45,
      "SrO": 9.38,
      "TiO2": 0.12,
      "ZrO2": 4.84,
      "Fe2O3": 0.21,
      "CuO": 3.96,
      "SnO2": 4.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.6
      },
      {
        "material": "minspar 200",
        "amount": 19.36
      },
      {
        "material": "silica",
        "amount": 17.2
      },
      {
        "material": "strontium carbonate",
        "amount": 13.98
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.76
      },
      {
        "material": "whiting",
        "amount": 9.67
      },
      {
        "material": "dolomite",
        "amount": 6.44
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "zircopax",
        "amount": 7.53
      },
      {
        "material": "copper carbonate",
        "amount": 6.44
      },
      {
        "material": "tin oxide",
        "amount": 4.3
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 120.28
      }
    ]
  },
  {
    "id": "21776",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.98,
      "Al2O3": 11.68,
      "Na2O": 1.05,
      "K2O": 2.49,
      "MgO": 3.79,
      "CaO": 12.02,
      "P2O5": 0.11,
      "TiO2": 7.82,
      "Fe2O3": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 29.95
      },
      {
        "material": "silica",
        "amount": 26.32
      },
      {
        "material": "ep kaolin",
        "amount": 16.79
      },
      {
        "material": "dolomite",
        "amount": 15.88
      },
      {
        "material": "whiting",
        "amount": 11.07
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 7.99
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "21777",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.98,
      "Al2O3": 10.36,
      "Na2O": 1.43,
      "K2O": 3.34,
      "MgO": 0.1,
      "CaO": 10.37,
      "P2O5": 0.09,
      "TiO2": 3.8,
      "Fe2O3": 4.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 42.01
      },
      {
        "material": "silica",
        "amount": 27.02
      },
      {
        "material": "whiting",
        "amount": 17.98
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.99
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "21778",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.25,
      "Al2O3": 14.64,
      "Na2O": 0.98,
      "K2O": 3.27,
      "MgO": 0.1,
      "CaO": 17.03,
      "P2O5": 0.02,
      "TiO2": 0.32,
      "Fe2O3": 2.02,
      "CoO": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.98
      },
      {
        "material": "whiting",
        "amount": 25.98
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.73
      },
      {
        "material": "silica",
        "amount": 20.73
      },
      {
        "material": "ep kaolin",
        "amount": 6.59
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 1.52
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.51
      },
      {
        "material": "total",
        "amount": 102.04
      }
    ]
  },
  {
    "id": "21779",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.95,
      "Al2O3": 11.39,
      "Na2O": 1.51,
      "K2O": 3.45,
      "MgO": 0.08,
      "CaO": 9.7,
      "P2O5": 0.12,
      "TiO2": 0.04,
      "Fe2O3": 9.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 45.9
      },
      {
        "material": "silica",
        "amount": 25.58
      },
      {
        "material": "whiting",
        "amount": 17.32
      },
      {
        "material": "ep kaolin",
        "amount": 11.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.2
      },
      {
        "material": "bentonite",
        "amount": 2.04
      },
      {
        "material": "total",
        "amount": 112.24
      }
    ]
  },
  {
    "id": "21781",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.81,
      "Al2O3": 20.01,
      "Na2O": 1.49,
      "K2O": 5.74,
      "MgO": 8.15,
      "CaO": 14.74,
      "P2O5": 2.67,
      "TiO2": 0.12,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21782",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.37,
      "Al2O3": 11.52,
      "Na2O": 1.57,
      "K2O": 3.74,
      "MgO": 3.24,
      "CaO": 2.75,
      "SrO": 11.39,
      "P2O5": 0.13,
      "TiO2": 0.05,
      "ZrO2": 10.91,
      "Fe2O3": 3.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 45.66
      },
      {
        "material": "strontium carbonate",
        "amount": 15.19
      },
      {
        "material": "zircopax",
        "amount": 15.19
      },
      {
        "material": "ep kaolin",
        "amount": 10.13
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.13
      },
      {
        "material": "whiting",
        "amount": 3.71
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.04
      },
      {
        "material": "total",
        "amount": 103.05
      }
    ]
  },
  {
    "id": "21785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.84,
      "Al2O3": 11.18,
      "Na2O": 1.47,
      "K2O": 3.51,
      "MgO": 6.43,
      "CaO": 7.13,
      "P2O5": 0.12,
      "TiO2": 0.06,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21786",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.29,
      "Al2O3": 10.21,
      "Na2O": 1.34,
      "K2O": 3.16,
      "MgO": 0.04,
      "CaO": 11.77,
      "P2O5": 0.11,
      "TiO2": 0.04,
      "ZrO2": 4.88,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "21790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.97,
      "Al2O3": 10.96,
      "Na2O": 1.69,
      "K2O": 3.98,
      "MgO": 0.04,
      "CaO": 6.05,
      "P2O5": 0.13,
      "TiO2": 0.03,
      "Fe2O3": 7.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 52.91
      },
      {
        "material": "silica",
        "amount": 28.57
      },
      {
        "material": "whiting",
        "amount": 10.58
      },
      {
        "material": "ep kaolin",
        "amount": 7.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.41
      },
      {
        "material": "total",
        "amount": 107.41
      }
    ]
  },
  {
    "id": "21793",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.49,
      "Al2O3": 29.16,
      "Na2O": 0.56,
      "K2O": 2.47,
      "MgO": 0.45,
      "CaO": 0.28,
      "TiO2": 1.43,
      "Fe2O3": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 40.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "goldart",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21841",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.43,
      "Al2O3": 21.1,
      "Na2O": 0.61,
      "K2O": 8.58,
      "MgO": 5.15,
      "CaO": 10.13,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 41.58
      },
      {
        "material": "ep kaolin",
        "amount": 18.5
      },
      {
        "material": "dolomite",
        "amount": 18.3
      },
      {
        "material": "bentonite",
        "amount": 16.63
      },
      {
        "material": "whiting",
        "amount": 4.99
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21871",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.8,
      "Al2O3": 14.07,
      "B2O3": 4.64,
      "Li2O": 0.89,
      "Na2O": 2.09,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 4.04,
      "SrO": 17.62,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Fe2O3": 0.28,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 32.65
      },
      {
        "material": "silica",
        "amount": 24.8
      },
      {
        "material": "strontium carbonate",
        "amount": 22.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.19
      },
      {
        "material": "lithium carbonate",
        "amount": 1.96
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "21891",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.24,
      "Al2O3": 11.88,
      "B2O3": 1.31,
      "Na2O": 1.74,
      "K2O": 5.18,
      "MgO": 0.18,
      "CaO": 10.97,
      "BaO": 7.58,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CoO": 0.34,
      "CuO": 4.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.3
      },
      {
        "material": "whiting",
        "amount": 16.2
      },
      {
        "material": "silica",
        "amount": 15.3
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.7
      },
      {
        "material": "gerstley borate",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.3
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.8
      }
    ]
  },
  {
    "id": "21895",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.36,
      "Al2O3": 12.89,
      "Na2O": 0.84,
      "K2O": 2.82,
      "MgO": 0.02,
      "CaO": 12.46,
      "BaO": 1.66,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.69,
      "SnO2": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.3
      },
      {
        "material": "custer feldspar",
        "amount": 24.5
      },
      {
        "material": "ep kaolin",
        "amount": 19.6
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "barium carbonate",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "21897",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.69,
      "Al2O3": 11.52,
      "Na2O": 0.39,
      "K2O": 6.0,
      "MgO": 0.68,
      "CaO": 12.96,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 41.0
      },
      {
        "material": "wollastonite",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.65
      },
      {
        "material": "total",
        "amount": 100.65
      }
    ]
  },
  {
    "id": "21898",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 9.93,
      "B2O3": 0.74,
      "Li2O": 1.75,
      "Na2O": 1.98,
      "K2O": 5.22,
      "MgO": 0.06,
      "CaO": 10.58,
      "SrO": 5.65,
      "Fe2O3": 0.16,
      "CuO": 5.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.24
      },
      {
        "material": "silica",
        "amount": 15.67
      },
      {
        "material": "whiting",
        "amount": 14.75
      },
      {
        "material": "copper carbonate",
        "amount": 7.37
      },
      {
        "material": "strontium carbonate",
        "amount": 6.91
      },
      {
        "material": "ferro frit 3124",
        "amount": 4.61
      },
      {
        "material": "lithium carbonate",
        "amount": 3.69
      },
      {
        "material": "bentonite",
        "amount": 2.76
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "21902",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.12,
      "Al2O3": 11.3,
      "Na2O": 1.7,
      "K2O": 5.69,
      "MgO": 0.0,
      "CaO": 2.67,
      "SrO": 13.27,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 2.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "strontium carbonate",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "21905",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.1,
      "Al2O3": 11.67,
      "B2O3": 3.18,
      "Li2O": 2.14,
      "Na2O": 1.82,
      "K2O": 0.98,
      "MgO": 6.97,
      "CaO": 10.83,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "CuO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "spodumene",
        "amount": 23.2
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 16.9
      },
      {
        "material": "whiting",
        "amount": 12.7
      },
      {
        "material": "magnesium carbonate",
        "amount": 11.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.3
      },
      {
        "material": "ep kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "21968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.37,
      "Al2O3": 10.08,
      "Na2O": 1.34,
      "K2O": 3.25,
      "MgO": 1.08,
      "CaO": 11.88,
      "BaO": 3.12,
      "P2O5": 0.08,
      "TiO2": 0.0,
      "MnO": 0.02,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 40.7
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 24.12
      },
      {
        "material": "silica",
        "amount": 22.11
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.05
      },
      {
        "material": "dolomite",
        "amount": 3.02
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "barium carbonate",
        "amount": 4.02
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.65
      },
      {
        "material": "total",
        "amount": 104.67
      }
    ]
  },
  {
    "id": "22014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.76,
      "Al2O3": 12.05,
      "Na2O": 1.43,
      "K2O": 4.8,
      "MgO": 0.06,
      "CaO": 9.46,
      "TiO2": 0.0,
      "Fe2O3": 9.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 112.5
      }
    ]
  },
  {
    "id": "22128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.51,
      "Al2O3": 9.56,
      "B2O3": 3.81,
      "Na2O": 2.03,
      "K2O": 4.94,
      "MgO": 1.83,
      "CaO": 9.32,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.82,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "22137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.62,
      "Al2O3": 10.06,
      "B2O3": 5.63,
      "Na2O": 2.18,
      "K2O": 4.36,
      "MgO": 0.79,
      "CaO": 11.91,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.25,
      "CuO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.7
      },
      {
        "material": "silica",
        "amount": 24.2
      },
      {
        "material": "gerstley borate",
        "amount": 19.2
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "22157",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.97,
      "Al2O3": 13.61,
      "B2O3": 2.49,
      "Na2O": 2.89,
      "K2O": 1.56,
      "MgO": 0.48,
      "CaO": 13.94,
      "SrO": 1.22,
      "TiO2": 0.01,
      "Fe2O3": 0.7,
      "SnO2": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.82
      },
      {
        "material": "nepheline syenite",
        "amount": 22.73
      },
      {
        "material": "grolleg kaolin",
        "amount": 18.18
      },
      {
        "material": "whiting",
        "amount": 18.18
      },
      {
        "material": "gillespie borate",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "strontium carbonate",
        "amount": 1.5
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      },
      {
        "material": "ehansonexp4 8",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "22227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.43,
      "Al2O3": 12.85,
      "K2O": 7.98,
      "CaO": 11.75,
      "Cr2O3": 0.52,
      "ZnO": 5.24,
      "SnO2": 5.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "22228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.29,
      "Al2O3": 12.63,
      "B2O3": 2.92,
      "Na2O": 7.09,
      "K2O": 0.19,
      "CaO": 10.15,
      "CoO": 0.07,
      "CuO": 0.34,
      "SnO2": 5.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "standard borax frit",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "22229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.9,
      "Al2O3": 11.96,
      "K2O": 8.55,
      "MgO": 5.41,
      "CaO": 7.53,
      "ZrO2": 8.3,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "22230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.67,
      "Al2O3": 8.54,
      "B2O3": 2.87,
      "Na2O": 0.43,
      "K2O": 5.2,
      "MgO": 6.4,
      "CaO": 9.49,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.04,
      "SnO2": 8.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 29.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "talc",
        "amount": 13.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.3
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "kaolin",
        "amount": 6.8
      },
      {
        "material": "total",
        "amount": 107.8
      }
    ]
  },
  {
    "id": "22231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.49,
      "Al2O3": 11.67,
      "K2O": 8.34,
      "MgO": 5.28,
      "CaO": 7.34,
      "ZrO2": 8.1,
      "CoO": 1.38,
      "CuO": 1.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "22232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.28,
      "Al2O3": 11.83,
      "K2O": 8.45,
      "MgO": 5.35,
      "CaO": 7.45,
      "ZrO2": 8.21,
      "CuO": 1.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "22233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.91,
      "Al2O3": 8.43,
      "B2O3": 2.84,
      "Na2O": 0.42,
      "K2O": 5.14,
      "MgO": 6.32,
      "CaO": 9.37,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.04,
      "CoO": 1.29,
      "SnO2": 8.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 29.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "talc",
        "amount": 13.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.3
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "kaolin",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 107.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.8
      }
    ]
  },
  {
    "id": "22234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.46,
      "Al2O3": 8.04,
      "B2O3": 6.28,
      "Na2O": 4.22,
      "K2O": 1.63,
      "MgO": 4.41,
      "CaO": 9.79,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.23,
      "Al2O3": 8.01,
      "B2O3": 6.26,
      "Na2O": 4.2,
      "K2O": 1.63,
      "MgO": 4.39,
      "CaO": 9.75,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "22248",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.52,
      "Al2O3": 10.71,
      "Na2O": 1.22,
      "K2O": 4.11,
      "MgO": 1.52,
      "CaO": 0.32,
      "SrO": 21.38,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.4
      },
      {
        "material": "strontium carbonate",
        "amount": 27.3
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "ep kaolin",
        "amount": 9.1
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 4.6
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "22287",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.11,
      "Al2O3": 16.63,
      "B2O3": 2.9,
      "Li2O": 2.88,
      "Na2O": 5.13,
      "K2O": 2.24,
      "MgO": 0.52,
      "CaO": 9.74,
      "SrO": 0.05,
      "P2O5": 0.04,
      "TiO2": 7.12,
      "Fe2O3": 0.16,
      "CuO": 1.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.8
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "gillespie borate",
        "amount": 10.4
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "titanium dioxide",
        "amount": 6.2
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "22289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.4,
      "Al2O3": 12.09,
      "Na2O": 0.8,
      "K2O": 2.56,
      "MgO": 0.01,
      "CaO": 12.14,
      "BaO": 1.71,
      "TiO2": 1.66,
      "Fe2O3": 0.54,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.3
      },
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 24.5
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "new zealand halloysite",
        "amount": 19.6
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "22290",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.63,
      "Al2O3": 19.45,
      "Na2O": 5.12,
      "K2O": 3.08,
      "MgO": 0.06,
      "CaO": 9.87,
      "SrO": 5.58,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 7.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.7
      },
      {
        "material": "nepheline syenite",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.4
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "strontium carbonate",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "22291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.35,
      "Al2O3": 13.77,
      "B2O3": 2.71,
      "Na2O": 2.81,
      "K2O": 7.99,
      "MgO": 0.43,
      "CaO": 9.52,
      "SrO": 0.05,
      "Fe2O3": 0.08,
      "CuO": 0.21,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.8
      },
      {
        "material": "whiting",
        "amount": 11.1
      },
      {
        "material": "gillespie borate",
        "amount": 10.2
      },
      {
        "material": "silica",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "22300",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.72,
      "Al2O3": 11.43,
      "B2O3": 8.07,
      "Li2O": 1.67,
      "Na2O": 3.0,
      "K2O": 0.12,
      "MgO": 0.41,
      "CaO": 11.06,
      "SrO": 3.66,
      "P2O5": 3.32,
      "TiO2": 0.26,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.5
      },
      {
        "material": "bone ash",
        "amount": 7.5
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "22303",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.72,
      "Al2O3": 18.65,
      "B2O3": 1.18,
      "Na2O": 0.71,
      "K2O": 7.44,
      "MgO": 3.85,
      "CaO": 10.87,
      "P2O5": 3.73,
      "CoO": 0.31,
      "NiO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "kaolin",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "bone ash",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "frit 3271 testing",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "black nickel oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.8
      }
    ]
  },
  {
    "id": "22305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.38,
      "Al2O3": 18.75,
      "B2O3": 1.18,
      "Na2O": 1.3,
      "K2O": 9.36,
      "MgO": 4.43,
      "CaO": 7.78,
      "P2O5": 1.2,
      "Fe2O3": 0.77,
      "CoO": 0.31,
      "NiO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "kaolin",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "wood ash",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "frit 3271 testing",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "black nickel oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.8
      }
    ]
  },
  {
    "id": "22318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.69,
      "Al2O3": 13.14,
      "Na2O": 0.87,
      "K2O": 3.25,
      "MgO": 0.07,
      "CaO": 12.78,
      "TiO2": 0.01,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.51,
      "Al2O3": 20.52,
      "B2O3": 3.51,
      "Na2O": 3.81,
      "K2O": 1.18,
      "MgO": 0.05,
      "CaO": 14.85,
      "P2O5": 0.11,
      "TiO2": 0.15,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 35.23
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.52
      },
      {
        "material": "whiting",
        "amount": 18.07
      },
      {
        "material": "silica",
        "amount": 14.82
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.36
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22327",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.52,
      "Al2O3": 9.02,
      "B2O3": 4.65,
      "Na2O": 1.94,
      "K2O": 4.23,
      "MgO": 1.88,
      "CaO": 6.34,
      "P2O5": 0.03,
      "TiO2": 12.18,
      "Fe2O3": 1.48,
      "ZnO": 7.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "22380",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.26,
      "Al2O3": 13.5,
      "Na2O": 1.61,
      "K2O": 5.11,
      "MgO": 0.07,
      "CaO": 14.34,
      "P2O5": 0.03,
      "TiO2": 10.51,
      "Fe2O3": 1.39,
      "CuO": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "rutile",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 118.5
      }
    ]
  },
  {
    "id": "22382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.42,
      "Al2O3": 7.66,
      "B2O3": 8.43,
      "Na2O": 2.75,
      "K2O": 0.76,
      "MgO": 0.06,
      "CaO": 9.21,
      "TiO2": 0.03,
      "Fe2O3": 2.0,
      "ZnO": 5.09,
      "SnO2": 6.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 39.85
      },
      {
        "material": "silica",
        "amount": 27.35
      },
      {
        "material": "cornwall stone",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 8.87
      },
      {
        "material": "zinc oxide",
        "amount": 5.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.05
      },
      {
        "material": "red iron oxide",
        "amount": 2.14
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.19
      }
    ]
  },
  {
    "id": "22384",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.64,
      "Al2O3": 7.44,
      "B2O3": 5.6,
      "Na2O": 3.38,
      "K2O": 1.69,
      "MgO": 0.73,
      "CaO": 9.43,
      "SrO": 2.0,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 3.71,
      "SnO2": 12.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "strontium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "22388",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.43,
      "Al2O3": 17.88,
      "Li2O": 2.59,
      "MgO": 5.37,
      "CaO": 11.06,
      "TiO2": 10.45,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "22390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.26,
      "Al2O3": 14.09,
      "B2O3": 0.14,
      "Na2O": 1.82,
      "K2O": 4.28,
      "MgO": 1.02,
      "CaO": 2.13,
      "BaO": 9.96,
      "ZnO": 12.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "barium carbonate",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.5
      },
      {
        "material": "soda feldspar",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22391",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.99,
      "Al2O3": 13.9,
      "B2O3": 0.14,
      "Na2O": 1.8,
      "K2O": 4.22,
      "MgO": 1.01,
      "CaO": 2.1,
      "BaO": 7.36,
      "CoO": 0.66,
      "ZnO": 15.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "soda feldspar",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "22398",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.07,
      "Al2O3": 31.6,
      "Na2O": 4.01,
      "K2O": 2.59,
      "MgO": 0.21,
      "CaO": 0.46,
      "TiO2": 7.41,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 30.0
      },
      {
        "material": "helmer kaolin",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "22417",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.25,
      "Al2O3": 12.56,
      "B2O3": 8.95,
      "Na2O": 3.79,
      "K2O": 3.14,
      "MgO": 1.53,
      "CaO": 9.73,
      "SrO": 0.16,
      "TiO2": 0.11,
      "Fe2O3": 0.67,
      "SnO2": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 66.0
      },
      {
        "material": "gillespie borate",
        "amount": 33.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "22418",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.07,
      "Al2O3": 13.37,
      "B2O3": 1.31,
      "Na2O": 3.48,
      "K2O": 1.5,
      "MgO": 4.42,
      "CaO": 7.98,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "ZrO2": 4.7,
      "Fe2O3": 0.28,
      "ZnO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.7
      },
      {
        "material": "silica",
        "amount": 19.6
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.7
      },
      {
        "material": "ep kaolin",
        "amount": 14.2
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "22419",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.1,
      "Al2O3": 30.16,
      "Na2O": 0.57,
      "K2O": 2.4,
      "MgO": 0.29,
      "CaO": 0.23,
      "P2O5": 0.06,
      "TiO2": 1.13,
      "Fe2O3": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "mullite",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "22420",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.16,
      "Al2O3": 14.21,
      "K2O": 8.19,
      "MgO": 7.49,
      "CaO": 4.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.41
      },
      {
        "material": "talc",
        "amount": 22.04
      },
      {
        "material": "kaolin",
        "amount": 12.45
      },
      {
        "material": "silica",
        "amount": 11.84
      },
      {
        "material": "whiting",
        "amount": 8.27
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "22425",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.64,
      "Al2O3": 11.84,
      "Na2O": 0.47,
      "K2O": 8.32,
      "MgO": 1.57,
      "CaO": 4.03,
      "TiO2": 0.02,
      "ZrO2": 2.6,
      "Fe2O3": 0.11,
      "ZnO": 12.48,
      "SnO2": 1.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspat potassico m8",
        "amount": 57.57
      },
      {
        "material": "silica",
        "amount": 15.41
      },
      {
        "material": "zinc oxide",
        "amount": 12.58
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 4.07
      },
      {
        "material": "whiting",
        "amount": 3.37
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 3.9
      },
      {
        "material": "tin oxide",
        "amount": 1.95
      },
      {
        "material": "bentonite",
        "amount": 1.77
      },
      {
        "material": "total",
        "amount": 107.62
      }
    ]
  },
  {
    "id": "22585",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.99,
      "Al2O3": 9.32,
      "B2O3": 5.92,
      "Na2O": 2.66,
      "K2O": 0.11,
      "MgO": 1.81,
      "CaO": 5.12,
      "P2O5": 0.05,
      "TiO2": 0.87,
      "MnO2": 29.03,
      "Fe2O3": 3.73,
      "CuO": 2.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 45.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 150.0
      }
    ]
  },
  {
    "id": "22614",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.24,
      "Al2O3": 8.67,
      "B2O3": 1.14,
      "Na2O": 1.35,
      "K2O": 4.04,
      "MgO": 1.52,
      "CaO": 6.58,
      "BaO": 12.36,
      "P2O5": 0.0,
      "TiO2": 0.01,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 11.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "erbium oxide testing",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "22641",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.79,
      "Al2O3": 11.52,
      "Li2O": 0.01,
      "Na2O": 1.36,
      "K2O": 4.6,
      "MgO": 2.03,
      "CaO": 12.52,
      "TiO2": 0.0,
      "Fe2O3": 1.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "macaloid",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "22643",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.27,
      "Al2O3": 10.71,
      "Na2O": 1.25,
      "K2O": 4.13,
      "MgO": 1.65,
      "CaO": 0.15,
      "SrO": 20.63,
      "TiO2": 0.0,
      "Fe2O3": 1.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.4
      },
      {
        "material": "strontium carbonate",
        "amount": 27.3
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "22716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.14,
      "Al2O3": 10.85,
      "B2O3": 5.52,
      "Na2O": 6.89,
      "K2O": 1.42,
      "MgO": 0.04,
      "CaO": 6.36,
      "SrO": 0.03,
      "BaO": 1.55,
      "P2O5": 0.03,
      "TiO2": 5.06,
      "FeO": 0.02,
      "Fe2O3": 0.11,
      "CoO": 0.79,
      "ZnO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 106.25
      }
    ]
  },
  {
    "id": "22737",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.66,
      "Al2O3": 18.05,
      "Na2O": 4.67,
      "K2O": 2.19,
      "MgO": 0.05,
      "CaO": 11.11,
      "Cr2O3": 1.01,
      "Fe2O3": 0.05,
      "ZnO": 14.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "22749",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.25,
      "Al2O3": 9.3,
      "B2O3": 0.95,
      "Li2O": 3.1,
      "Na2O": 1.8,
      "K2O": 3.44,
      "MgO": 5.89,
      "CaO": 15.99,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.07,
      "CoO": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.39
      },
      {
        "material": "dolomite",
        "amount": 21.83
      },
      {
        "material": "potash feldspar",
        "amount": 13.33
      },
      {
        "material": "nepheline syenite",
        "amount": 11.39
      },
      {
        "material": "whiting",
        "amount": 10.01
      },
      {
        "material": "ep kaolin",
        "amount": 6.45
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "22750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.58,
      "Al2O3": 18.99,
      "Li2O": 0.44,
      "Na2O": 6.31,
      "K2O": 3.0,
      "MgO": 0.08,
      "CaO": 8.59,
      "P2O5": 0.03,
      "TiO2": 5.4,
      "Fe2O3": 0.15,
      "CuO": 3.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 64.17
      },
      {
        "material": "whiting",
        "amount": 14.44
      },
      {
        "material": "ep kaolin",
        "amount": 10.7
      },
      {
        "material": "silica",
        "amount": 9.63
      },
      {
        "material": "lithium carbonate",
        "amount": 1.07
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 5.35
      },
      {
        "material": "titanium dioxide",
        "amount": 5.35
      },
      {
        "material": "total",
        "amount": 110.71
      }
    ]
  },
  {
    "id": "22751",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.17,
      "Al2O3": 12.09,
      "B2O3": 1.41,
      "Li2O": 2.75,
      "Na2O": 0.64,
      "K2O": 6.26,
      "MgO": 2.18,
      "CaO": 10.46,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.11,
      "CoO": 2.11,
      "CuO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.56
      },
      {
        "material": "silica",
        "amount": 24.95
      },
      {
        "material": "ep kaolin",
        "amount": 12.43
      },
      {
        "material": "whiting",
        "amount": 9.82
      },
      {
        "material": "dolomite",
        "amount": 8.76
      },
      {
        "material": "lithium carbonate",
        "amount": 5.98
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.49
      },
      {
        "material": "titanium dioxide",
        "amount": 0.01
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "22756",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.78,
      "Al2O3": 19.65,
      "B2O3": 2.03,
      "Li2O": 2.52,
      "Na2O": 3.77,
      "K2O": 1.45,
      "MgO": 0.06,
      "CaO": 8.56,
      "P2O5": 0.09,
      "TiO2": 5.4,
      "Fe2O3": 0.29,
      "CuO": 3.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 32.29
      },
      {
        "material": "nepheline syenite",
        "amount": 27.52
      },
      {
        "material": "silica",
        "amount": 14.76
      },
      {
        "material": "whiting",
        "amount": 11.08
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.47
      },
      {
        "material": "lithium carbonate",
        "amount": 5.88
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "22765",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.07,
      "Al2O3": 8.3,
      "B2O3": 1.39,
      "Na2O": 3.37,
      "K2O": 1.71,
      "MgO": 0.06,
      "CaO": 2.94,
      "BaO": 17.38,
      "P2O5": 0.93,
      "Fe2O3": 0.13,
      "CuO": 0.65,
      "ZnO": 2.03,
      "SnO2": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "22785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.13,
      "Al2O3": 2.59,
      "B2O3": 1.37,
      "Li2O": 1.18,
      "Na2O": 7.91,
      "K2O": 1.23,
      "CaO": 3.27,
      "Cr2O3": 0.1,
      "CoO": 0.06,
      "NiO": 0.1,
      "ZnO": 23.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 54.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "calcined kaolin",
        "amount": 1.52
      },
      {
        "material": "total base recipe",
        "amount": 105.52
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "black nickel oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.82
      }
    ]
  },
  {
    "id": "22796",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.84,
      "Al2O3": 15.77,
      "B2O3": 2.48,
      "Na2O": 4.68,
      "K2O": 2.93,
      "MgO": 0.35,
      "CaO": 11.75,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.14,
      "ZnO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 64.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "erbium oxide testing",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "22797",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.28,
      "Al2O3": 11.56,
      "Na2O": 3.25,
      "K2O": 3.68,
      "CaO": 9.64,
      "Cr2O3": 0.1,
      "Fe2O3": 1.51,
      "ZnO": 12.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "22821",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.46,
      "Al2O3": 12.82,
      "Na2O": 0.75,
      "K2O": 2.87,
      "MgO": 0.68,
      "CaO": 12.18,
      "BaO": 1.57,
      "TiO2": 0.01,
      "Fe2O3": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.1
      },
      {
        "material": "wollastonite",
        "amount": 24.8
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 24.6
      },
      {
        "material": "new zealand halloysite",
        "amount": 23.5
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 102.6
      }
    ]
  },
  {
    "id": "22857",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.87,
      "Al2O3": 9.44,
      "B2O3": 3.78,
      "Na2O": 2.15,
      "K2O": 1.2,
      "MgO": 5.72,
      "CaO": 16.0,
      "P2O5": 0.01,
      "TiO2": 0.23,
      "ZrO2": 6.33,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22870",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.1,
      "Al2O3": 8.5,
      "B2O3": 2.91,
      "Na2O": 0.43,
      "K2O": 5.18,
      "MgO": 6.38,
      "CaO": 9.48,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "ZrO2": 5.57,
      "Fe2O3": 0.04,
      "CoO": 0.07,
      "CuO": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 29.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "talc",
        "amount": 13.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.5
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "kaolin",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "22885",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.13,
      "Al2O3": 13.52,
      "B2O3": 6.7,
      "Na2O": 5.44,
      "K2O": 2.27,
      "MgO": 0.96,
      "CaO": 5.19,
      "P2O5": 0.02,
      "TiO2": 1.04,
      "ZrO2": 5.38,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "22886",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.2,
      "Al2O3": 0.6,
      "B2O3": 16.03,
      "Na2O": 2.39,
      "K2O": 0.24,
      "MgO": 15.34,
      "CaO": 11.6,
      "P2O5": 0.06,
      "TiO2": 16.49,
      "Fe2O3": 2.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 59.0
      },
      {
        "material": "talc",
        "amount": 41.0
      },
      {
        "material": "rutile",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "22887",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.05,
      "Al2O3": 12.61,
      "B2O3": 12.0,
      "Li2O": 1.8,
      "Na2O": 1.64,
      "K2O": 1.02,
      "MgO": 6.44,
      "CaO": 3.89,
      "P2O5": 0.01,
      "TiO2": 0.13,
      "Fe2O3": 0.21,
      "CuO": 2.03,
      "ZnO": 0.07,
      "F": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3249",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 8.82
      },
      {
        "material": "nepheline syenite",
        "amount": 8.82
      },
      {
        "material": "ferro frit 3269",
        "amount": 7.84
      },
      {
        "material": "ep kaolin",
        "amount": 5.88
      },
      {
        "material": "lithium carbonate",
        "amount": 4.9
      },
      {
        "material": "bentonite",
        "amount": 1.96
      },
      {
        "material": "total base recipe",
        "amount": 118.22
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 121.72
      }
    ]
  },
  {
    "id": "22927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.92,
      "Al2O3": 16.57,
      "B2O3": 4.83,
      "Na2O": 2.23,
      "K2O": 0.36,
      "MgO": 0.04,
      "CaO": 5.0,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "ZrO2": 23.57,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 33.33
      },
      {
        "material": "ferro frit 3124",
        "amount": 33.33
      },
      {
        "material": "zircopax",
        "amount": 33.33
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "22929",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.08,
      "Al2O3": 16.99,
      "Na2O": 1.84,
      "K2O": 6.84,
      "MgO": 8.38,
      "CaO": 7.2,
      "P2O5": 0.2,
      "Fe2O3": 0.34,
      "CuO": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomie (solargil 2018)",
        "amount": 20.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "coe",
        "amount": 73.0
      }
    ]
  },
  {
    "id": "22933",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.34,
      "Al2O3": 2.31,
      "B2O3": 1.07,
      "Li2O": 0.77,
      "Na2O": 6.21,
      "K2O": 0.97,
      "MgO": 0.95,
      "CaO": 2.56,
      "TiO2": 5.7,
      "Fe2O3": 0.07,
      "CuO": 0.61,
      "ZnO": 20.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 42.5
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 21.5
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "calcined kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "22934",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.74,
      "Al2O3": 2.21,
      "B2O3": 1.02,
      "Li2O": 0.74,
      "Na2O": 5.94,
      "K2O": 0.93,
      "MgO": 0.9,
      "CaO": 2.45,
      "TiO2": 5.45,
      "MnO2": 1.58,
      "Fe2O3": 3.51,
      "ZnO": 19.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 42.5
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "zinc oxide",
        "amount": 21.5
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "calcined kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "22946",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.61,
      "Al2O3": 13.13,
      "Na2O": 3.13,
      "K2O": 1.98,
      "MgO": 3.15,
      "CaO": 5.03,
      "BaO": 28.01,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 6.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 39.6
      },
      {
        "material": "barium carbonate",
        "amount": 30.8
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.8
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "22960",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.3,
      "Al2O3": 18.84,
      "B2O3": 2.62,
      "Na2O": 4.44,
      "K2O": 2.08,
      "MgO": 0.05,
      "CaO": 10.17,
      "Cr2O3": 1.03,
      "Fe2O3": 0.04,
      "ZnO": 14.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 14.0
      },
      {
        "material": "colemanite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23030",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.51,
      "Al2O3": 22.73,
      "K2O": 6.57,
      "CaO": 21.78,
      "Fe2O3": 4.43,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 50.0
      },
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 150.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 158.0
      }
    ]
  },
  {
    "id": "23061",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.62,
      "Al2O3": 11.05,
      "B2O3": 5.9,
      "Na2O": 5.23,
      "K2O": 1.25,
      "MgO": 0.08,
      "CaO": 13.1,
      "P2O5": 0.03,
      "TiO2": 5.42,
      "Fe2O3": 0.77,
      "CoO": 0.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "23134",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.73,
      "Al2O3": 18.68,
      "Na2O": 0.8,
      "K2O": 2.54,
      "MgO": 2.26,
      "CaO": 3.19,
      "TiO2": 1.03,
      "Fe2O3": 9.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 34.5
      },
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 25.5
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "23135",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.17,
      "Al2O3": 17.34,
      "Na2O": 0.96,
      "K2O": 3.04,
      "MgO": 1.62,
      "CaO": 2.32,
      "TiO2": 1.05,
      "Fe2O3": 5.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "kaolin",
        "amount": 28.5
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.5
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "23322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.18,
      "Al2O3": 23.71,
      "B2O3": 1.2,
      "Li2O": 1.44,
      "Na2O": 5.96,
      "K2O": 2.73,
      "MgO": 0.21,
      "CaO": 1.15,
      "TiO2": 0.34,
      "Fe2O3": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.0
      },
      {
        "material": "tinkar z",
        "amount": 26.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ulexite",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "23329",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.94,
      "Al2O3": 19.24,
      "B2O3": 1.93,
      "Na2O": 3.49,
      "K2O": 3.95,
      "CaO": 9.97,
      "Cr2O3": 1.03,
      "Fe2O3": 0.09,
      "ZnO": 14.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 45.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 14.0
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23331",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.53,
      "Al2O3": 9.3,
      "B2O3": 7.22,
      "Na2O": 3.7,
      "K2O": 2.57,
      "MgO": 0.91,
      "CaO": 14.51,
      "P2O5": 0.03,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "CuO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 29.1
      },
      {
        "material": "silica",
        "amount": 21.6
      },
      {
        "material": "g200 eu feldspar",
        "amount": 21.1
      },
      {
        "material": "ep kaolin",
        "amount": 11.7
      },
      {
        "material": "whiting",
        "amount": 11.4
      },
      {
        "material": "dolomite",
        "amount": 3.7
      },
      {
        "material": "total base recipe",
        "amount": 98.6
      },
      {
        "material": "copper carbonate",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "23405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.23,
      "Al2O3": 5.79,
      "B2O3": 10.11,
      "Na2O": 2.46,
      "K2O": 3.34,
      "MgO": 1.32,
      "CaO": 7.41,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 10.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "epk",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "23474",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.25,
      "Al2O3": 11.13,
      "B2O3": 4.39,
      "Na2O": 2.01,
      "K2O": 4.58,
      "MgO": 3.44,
      "CaO": 10.34,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "ZrO2": 5.61,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.7
      },
      {
        "material": "silica",
        "amount": 12.1
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.6
      },
      {
        "material": "talc",
        "amount": 8.6
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "23484",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.34,
      "Al2O3": 15.34,
      "Na2O": 6.77,
      "K2O": 10.72,
      "MgO": 3.82,
      "CaO": 9.13,
      "P2O5": 5.34,
      "TiO2": 0.22,
      "Fe2O3": 3.66,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "wood ash",
        "amount": 38.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.12,
      "Al2O3": 20.2,
      "Na2O": 3.89,
      "K2O": 1.83,
      "MgO": 3.02,
      "CaO": 9.52,
      "Fe2O3": 0.04,
      "CoO": 0.71,
      "ZnO": 5.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "kaolin",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.96,
      "Al2O3": 11.67,
      "Na2O": 4.84,
      "K2O": 2.32,
      "MgO": 0.1,
      "CaO": 9.27,
      "BaO": 23.93,
      "P2O5": 0.0,
      "TiO2": 0.02,
      "Fe2O3": 0.1,
      "CuO": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "enos park earthenware",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23495",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.26,
      "Al2O3": 5.98,
      "B2O3": 9.13,
      "Na2O": 2.07,
      "K2O": 2.3,
      "MgO": 5.99,
      "CaO": 6.71,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "Fe2O3": 0.27,
      "SnO2": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "23526",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.9,
      "Al2O3": 11.77,
      "B2O3": 2.36,
      "Li2O": 1.8,
      "Na2O": 6.17,
      "K2O": 9.72,
      "MgO": 2.79,
      "CaO": 14.55,
      "P2O5": 5.03,
      "TiO2": 0.04,
      "Cr2O3": 0.55,
      "Fe2O3": 3.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 33.22
      },
      {
        "material": "nepheline syenite",
        "amount": 30.56
      },
      {
        "material": "ep kaolin",
        "amount": 7.97
      },
      {
        "material": "gerstley borate",
        "amount": 7.97
      },
      {
        "material": "silica",
        "amount": 7.97
      },
      {
        "material": "whiting",
        "amount": 7.97
      },
      {
        "material": "lithium carbonate",
        "amount": 3.99
      },
      {
        "material": "total base recipe",
        "amount": 99.65
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.15
      }
    ]
  },
  {
    "id": "23531",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.3,
      "Al2O3": 6.8,
      "B2O3": 5.89,
      "Na2O": 5.6,
      "K2O": 8.91,
      "MgO": 2.72,
      "CaO": 14.45,
      "BaO": 5.43,
      "P2O5": 4.78,
      "TiO2": 0.01,
      "Fe2O3": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 33.33
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.67
      },
      {
        "material": "barium carbonate",
        "amount": 6.67
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "wollastonite",
        "amount": 3.33
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "23532",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.27,
      "Al2O3": 9.29,
      "Na2O": 1.27,
      "K2O": 13.23,
      "MgO": 8.95,
      "CaO": 14.45,
      "P2O5": 5.77,
      "TiO2": 3.43,
      "MnO": 0.91,
      "Fe2O3": 0.54,
      "CuO": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mdf wood ash",
        "amount": 33.33
      },
      {
        "material": "ep kaolin",
        "amount": 16.67
      },
      {
        "material": "silica",
        "amount": 15.33
      },
      {
        "material": "wollastonite",
        "amount": 13.33
      },
      {
        "material": "g-200 feldspar",
        "amount": 12.67
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.67
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.33
      },
      {
        "material": "copper carbonate",
        "amount": 1.33
      },
      {
        "material": "rutile",
        "amount": 1.33
      },
      {
        "material": "total",
        "amount": 103.99
      }
    ]
  },
  {
    "id": "23549",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.35,
      "Al2O3": 7.93,
      "B2O3": 1.46,
      "Na2O": 10.32,
      "K2O": 2.48,
      "MgO": 0.08,
      "CaO": 4.95,
      "P2O5": 0.87,
      "Fe2O3": 0.15,
      "CuO": 0.61,
      "ZnO": 1.9,
      "SnO2": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 58.0
      },
      {
        "material": "minspar 200",
        "amount": 29.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "23550",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.51,
      "Al2O3": 9.62,
      "B2O3": 1.56,
      "Na2O": 1.44,
      "K2O": 0.51,
      "MgO": 0.37,
      "CaO": 13.18,
      "P2O5": 0.95,
      "TiO2": 0.07,
      "MnO": 0.02,
      "Fe2O3": 0.2,
      "CuO": 0.63,
      "ZnO": 1.96,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "23551",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.27,
      "Al2O3": 14.14,
      "B2O3": 6.93,
      "Na2O": 5.93,
      "K2O": 2.3,
      "MgO": 1.16,
      "CaO": 6.86,
      "SrO": 0.13,
      "P2O5": 0.01,
      "TiO2": 3.79,
      "Fe2O3": 0.51,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gillespie borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "23579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.4,
      "Al2O3": 9.88,
      "Na2O": 1.07,
      "K2O": 5.24,
      "MgO": 0.22,
      "CaO": 9.3,
      "TiO2": 2.83,
      "Fe2O3": 0.53,
      "CoO": 1.27,
      "CuO": 3.9,
      "ZnO": 5.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "quantum ap200f potassium feldspar",
        "amount": 42.1
      },
      {
        "material": "silica",
        "amount": 26.3
      },
      {
        "material": "whiting",
        "amount": 15.8
      },
      {
        "material": "ball clay",
        "amount": 10.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "23604",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.37,
      "Al2O3": 9.1,
      "B2O3": 6.36,
      "Na2O": 2.73,
      "K2O": 0.97,
      "MgO": 0.86,
      "CaO": 17.44,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.21,
      "SnO2": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "23611",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.48,
      "Al2O3": 9.51,
      "B2O3": 5.82,
      "Na2O": 2.8,
      "K2O": 0.2,
      "MgO": 0.02,
      "CaO": 19.78,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Cr2O3": 0.15,
      "Fe2O3": 0.17,
      "SnO2": 4.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "minspar 200",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "23709",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.25,
      "Al2O3": 11.85,
      "B2O3": 8.41,
      "Li2O": 0.81,
      "Na2O": 2.58,
      "K2O": 1.42,
      "MgO": 0.69,
      "CaO": 6.54,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "ZrO2": 8.69,
      "Fe2O3": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 21.3
      },
      {
        "material": "silica",
        "amount": 21.3
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.9
      },
      {
        "material": "custer feldspar",
        "amount": 14.5
      },
      {
        "material": "spodumene",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "23733",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.75,
      "Al2O3": 12.98,
      "B2O3": 3.86,
      "Na2O": 4.99,
      "K2O": 2.14,
      "MgO": 0.84,
      "CaO": 12.17,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "23752",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.88,
      "Al2O3": 17.52,
      "Na2O": 0.99,
      "K2O": 3.57,
      "MgO": 4.17,
      "CaO": 10.24,
      "P2O5": 3.24,
      "Fe2O3": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 28.0
      },
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 20.0
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 17.0
      },
      {
        "material": "cendre d'os (solargil 2018)",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "calculated temp",
        "amount": 1253.0
      }
    ]
  },
  {
    "id": "23780",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.75,
      "Al2O3": 14.8,
      "Na2O": 0.01,
      "K2O": 7.28,
      "MgO": 1.01,
      "CaO": 9.37,
      "P2O5": 0.05,
      "TiO2": 5.69,
      "Fe2O3": 0.76,
      "ZnO": 7.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 41.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "23782",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.11,
      "Al2O3": 15.11,
      "Na2O": 0.01,
      "K2O": 8.58,
      "MgO": 1.02,
      "CaO": 11.22,
      "P2O5": 0.04,
      "TiO2": 5.73,
      "Fe2O3": 0.74,
      "ZnO": 9.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 48.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "23790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.34,
      "Al2O3": 10.75,
      "Na2O": 1.23,
      "K2O": 4.13,
      "MgO": 1.51,
      "CaO": 11.79,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.9
      },
      {
        "material": "silica",
        "amount": 30.8
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "ep kaolin",
        "amount": 9.2
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 4.6
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23791",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.0,
      "Al2O3": 10.72,
      "Na2O": 1.39,
      "K2O": 4.65,
      "MgO": 1.72,
      "CaO": 13.28,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.4
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 20.7
      },
      {
        "material": "ep kaolin",
        "amount": 6.9
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.2
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "23803",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.76,
      "Al2O3": 16.88,
      "Na2O": 0.01,
      "K2O": 8.37,
      "MgO": 1.04,
      "CaO": 10.7,
      "P2O5": 0.05,
      "TiO2": 4.98,
      "Fe2O3": 0.7,
      "ZnO": 8.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 46.2
      },
      {
        "material": "ep kaolin",
        "amount": 19.9
      },
      {
        "material": "whiting",
        "amount": 17.9
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.13
      },
      {
        "material": "total",
        "amount": 105.13
      }
    ]
  },
  {
    "id": "23811",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.01,
      "Al2O3": 7.05,
      "B2O3": 14.65,
      "Na2O": 7.8,
      "K2O": 0.63,
      "MgO": 0.86,
      "CaO": 13.77,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.11,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 62.97
      },
      {
        "material": "nepheline syenite",
        "amount": 12.78
      },
      {
        "material": "silica",
        "amount": 12.54
      },
      {
        "material": "ep kaolin",
        "amount": 7.15
      },
      {
        "material": "talc",
        "amount": 2.59
      },
      {
        "material": "whiting",
        "amount": 1.97
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.11
      },
      {
        "material": "total",
        "amount": 100.11
      }
    ]
  },
  {
    "id": "23812",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.13,
      "Al2O3": 9.61,
      "B2O3": 5.64,
      "Na2O": 5.5,
      "K2O": 0.06,
      "MgO": 2.97,
      "CaO": 8.93,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 9.19,
      "CuO": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "23814",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.08,
      "Al2O3": 9.72,
      "B2O3": 2.98,
      "Na2O": 0.85,
      "K2O": 6.0,
      "MgO": 2.41,
      "CaO": 6.78,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "MnO2": 1.76,
      "Fe2O3": 4.01,
      "CoO": 1.27,
      "ZnO": 3.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "iron oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "23819",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.8,
      "Al2O3": 13.95,
      "B2O3": 6.76,
      "Na2O": 5.88,
      "K2O": 2.41,
      "MgO": 0.94,
      "CaO": 5.25,
      "P2O5": 0.04,
      "TiO2": 3.58,
      "Fe2O3": 2.48,
      "CoO": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 20.29
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 96.99
      },
      {
        "material": "rutile",
        "amount": 3.74
      },
      {
        "material": "red iron oxide",
        "amount": 1.9
      },
      {
        "material": "cobalt oxide",
        "amount": 0.93
      },
      {
        "material": "total",
        "amount": 103.56
      }
    ]
  },
  {
    "id": "23820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.15,
      "Al2O3": 12.57,
      "Na2O": 1.92,
      "K2O": 6.38,
      "MgO": 0.03,
      "CaO": 10.6,
      "TiO2": 0.08,
      "Fe2O3": 0.14,
      "CuO": 0.7,
      "ZnO": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "23835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.68,
      "Al2O3": 12.52,
      "B2O3": 3.89,
      "Na2O": 4.91,
      "K2O": 2.8,
      "MgO": 0.1,
      "CaO": 5.79,
      "SrO": 0.02,
      "BaO": 1.09,
      "P2O5": 0.01,
      "TiO2": 3.53,
      "FeO": 1.45,
      "Fe2O3": 0.36,
      "ZnO": 0.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 64.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "whiting",
        "amount": 7.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ilmenite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "23838",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.41,
      "Al2O3": 0.25,
      "B2O3": 14.22,
      "Na2O": 10.13,
      "MgO": 10.99,
      "CaO": 1.29,
      "SrO": 0.08,
      "BaO": 4.0,
      "TiO2": 13.97,
      "FeO": 0.06,
      "Fe2O3": 1.53,
      "ZnO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 60.0
      },
      {
        "material": "talc",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "23901",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.23,
      "Al2O3": 16.68,
      "B2O3": 1.4,
      "Na2O": 6.46,
      "K2O": 5.64,
      "MgO": 2.59,
      "CaO": 0.13,
      "SrO": 0.01,
      "BaO": 0.39,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 0.15,
      "ZnO": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 43.5
      },
      {
        "material": "forshammar feldspar",
        "amount": 43.5
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "23903",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.34,
      "Al2O3": 12.73,
      "B2O3": 1.42,
      "Na2O": 5.22,
      "K2O": 3.68,
      "MgO": 2.63,
      "CaO": 0.13,
      "SrO": 0.01,
      "BaO": 0.4,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 0.12,
      "ZnO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 85.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "23904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.97,
      "Al2O3": 20.58,
      "B2O3": 1.43,
      "Na2O": 7.73,
      "K2O": 7.59,
      "MgO": 2.66,
      "CaO": 0.13,
      "SrO": 0.01,
      "BaO": 0.4,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 0.18,
      "ZnO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 85.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "23923",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.82,
      "Al2O3": 13.25,
      "B2O3": 6.73,
      "Na2O": 4.46,
      "K2O": 4.06,
      "MgO": 0.91,
      "CaO": 4.9,
      "P2O5": 0.03,
      "TiO2": 1.03,
      "ZrO2": 5.4,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 45.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "23924",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.23,
      "Al2O3": 13.2,
      "K2O": 5.43,
      "MgO": 3.75,
      "CaO": 11.83,
      "TiO2": 7.71,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "23929",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.44,
      "Al2O3": 14.31,
      "B2O3": 1.48,
      "Na2O": 5.41,
      "K2O": 2.46,
      "MgO": 0.21,
      "CaO": 10.57,
      "BaO": 8.58,
      "P2O5": 0.02,
      "TiO2": 5.34,
      "Fe2O3": 0.11,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 46.9
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "whiting",
        "amount": 15.6
      },
      {
        "material": "barium carbonate",
        "amount": 10.4
      },
      {
        "material": "ep kaolin",
        "amount": 6.3
      },
      {
        "material": "gerstley borate",
        "amount": 5.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "23939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.86,
      "Al2O3": 15.79,
      "B2O3": 2.94,
      "Li2O": 3.59,
      "Na2O": 4.81,
      "K2O": 2.09,
      "MgO": 0.47,
      "CaO": 7.4,
      "P2O5": 0.01,
      "TiO2": 11.49,
      "Fe2O3": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.4
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "calcined kaolin",
        "amount": 11.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "23944",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.91,
      "Al2O3": 16.33,
      "Na2O": 5.11,
      "K2O": 5.84,
      "MgO": 0.11,
      "CaO": 3.43,
      "SrO": 15.74,
      "BaO": 0.19,
      "TiO2": 2.16,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite, north cape",
        "amount": 61.2
      },
      {
        "material": "strontium carbonate",
        "amount": 20.9
      },
      {
        "material": "silica - g&w",
        "amount": 9.9
      },
      {
        "material": "wollastonite",
        "amount": 5.4
      },
      {
        "material": "bentonite - eccabond 2014",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.9
      }
    ]
  },
  {
    "id": "24002",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.79,
      "Al2O3": 16.23,
      "Na2O": 2.51,
      "K2O": 5.59,
      "MgO": 2.83,
      "CaO": 4.37,
      "P2O5": 0.07,
      "TiO2": 4.8,
      "Fe2O3": 3.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 70.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "24013",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.06,
      "Al2O3": 9.99,
      "B2O3": 3.31,
      "Na2O": 1.58,
      "K2O": 4.23,
      "MgO": 2.31,
      "CaO": 10.42,
      "P2O5": 6.08,
      "TiO2": 0.05,
      "Fe2O3": 10.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "24040",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.2,
      "Al2O3": 13.36,
      "Na2O": 1.51,
      "K2O": 5.05,
      "MgO": 0.01,
      "CaO": 13.64,
      "P2O5": 0.03,
      "TiO2": 13.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "silicon carbide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
  {
    "id": "24041",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.17,
      "Al2O3": 24.7,
      "Na2O": 5.79,
      "K2O": 2.81,
      "MgO": 0.09,
      "CaO": 16.97,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24042",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.45,
      "Al2O3": 12.1,
      "B2O3": 0.86,
      "Na2O": 2.15,
      "K2O": 4.74,
      "MgO": 2.03,
      "CaO": 10.63,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 11.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 23.31
      },
      {
        "material": "silica",
        "amount": 22.44
      },
      {
        "material": "nepheline syenite",
        "amount": 18.24
      },
      {
        "material": "whiting",
        "amount": 10.19
      },
      {
        "material": "ep kaolin",
        "amount": 9.89
      },
      {
        "material": "dolomite",
        "amount": 9.27
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.83
      },
      {
        "material": "wollastonite",
        "amount": 2.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.72
      },
      {
        "material": "total",
        "amount": 112.72
      }
    ]
  },
  {
    "id": "24043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.2,
      "Al2O3": 13.61,
      "Na2O": 1.53,
      "K2O": 5.11,
      "MgO": 0.01,
      "CaO": 13.82,
      "P2O5": 0.03,
      "TiO2": 11.54,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.73
      },
      {
        "material": "whiting",
        "amount": 23.91
      },
      {
        "material": "ep kaolin",
        "amount": 13.18
      },
      {
        "material": "silica",
        "amount": 13.18
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.29
      },
      {
        "material": "silicon carbide",
        "amount": 0.34
      },
      {
        "material": "total",
        "amount": 111.63
      }
    ]
  },
  {
    "id": "24045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.2,
      "Al2O3": 13.36,
      "Na2O": 1.51,
      "K2O": 5.05,
      "MgO": 0.01,
      "CaO": 13.64,
      "P2O5": 0.03,
      "TiO2": 13.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 114.2
      }
    ]
  },
  {
    "id": "24046",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.24,
      "Al2O3": 9.32,
      "B2O3": 4.77,
      "Na2O": 1.98,
      "K2O": 4.32,
      "MgO": 1.89,
      "CaO": 6.43,
      "P2O5": 0.03,
      "TiO2": 8.94,
      "Fe2O3": 2.07,
      "CoO": 0.31,
      "ZnO": 7.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.72
      },
      {
        "material": "silica",
        "amount": 18.45
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.77
      },
      {
        "material": "dolomite",
        "amount": 5.83
      },
      {
        "material": "ep kaolin",
        "amount": 5.3
      },
      {
        "material": "whiting",
        "amount": 1.94
      },
      {
        "material": "total base recipe",
        "amount": 110.01
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.51
      }
    ]
  },
  {
    "id": "24116",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.84,
      "Al2O3": 10.49,
      "Li2O": 0.01,
      "Na2O": 1.24,
      "K2O": 4.18,
      "MgO": 1.89,
      "CaO": 0.2,
      "SrO": 21.03,
      "TiO2": 0.0,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.4
      },
      {
        "material": "strontium carbonate",
        "amount": 27.3
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "erbium oxide testing",
        "amount": 8.0
      },
      {
        "material": "macaloid",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.1
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "24154",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.4,
      "Al2O3": 15.01,
      "B2O3": 3.19,
      "Li2O": 1.71,
      "Na2O": 1.62,
      "K2O": 0.88,
      "MgO": 5.16,
      "CaO": 10.41,
      "P2O5": 0.03,
      "TiO2": 0.27,
      "MnO": 0.01,
      "Fe2O3": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.46
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.46
      },
      {
        "material": "spodumen 128/ jäger testing",
        "amount": 20.46
      },
      {
        "material": "ball clay hymod jäger",
        "amount": 19.44
      },
      {
        "material": "silica",
        "amount": 19.18
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "indianyellow testing",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "24208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.42,
      "Al2O3": 0.93,
      "B2O3": 10.56,
      "Na2O": 4.7,
      "MgO": 4.03,
      "CaO": 9.04,
      "Fe2O3": 16.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "24266",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.76,
      "Al2O3": 8.19,
      "B2O3": 2.29,
      "Na2O": 1.21,
      "K2O": 0.29,
      "MgO": 3.43,
      "CaO": 23.58,
      "SrO": 10.55,
      "TiO2": 5.83,
      "Fe2O3": 10.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 27.3
      },
      {
        "material": "whiting",
        "amount": 27.3
      },
      {
        "material": "dolomite",
        "amount": 13.6
      },
      {
        "material": "strontium carbonate",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "silica",
        "amount": 9.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "24289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.07,
      "Al2O3": 10.51,
      "B2O3": 6.43,
      "Na2O": 2.17,
      "K2O": 4.53,
      "MgO": 2.71,
      "CaO": 7.18,
      "P2O5": 0.02,
      "TiO2": 10.07,
      "Fe2O3": 0.25,
      "SnO2": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 38.0
      },
      {
        "material": "gerstley borate",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "calcined kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 112.05
      }
    ]
  },
  {
    "id": "24307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.38,
      "Al2O3": 10.04,
      "K2O": 9.27,
      "CaO": 12.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24339",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.63,
      "Al2O3": 16.34,
      "Na2O": 3.75,
      "K2O": 4.25,
      "CaO": 11.14,
      "Cr2O3": 0.59,
      "Fe2O3": 2.29,
      "ZnO": 15.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 49.75
      },
      {
        "material": "wollastonite",
        "amount": 23.14
      },
      {
        "material": "zinc oxide",
        "amount": 15.05
      },
      {
        "material": "kaolin",
        "amount": 12.07
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 2.31
      },
      {
        "material": "chrome oxide",
        "amount": 0.59
      },
      {
        "material": "total",
        "amount": 102.91
      }
    ]
  },
  {
    "id": "24487",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.04,
      "Al2O3": 16.68,
      "B2O3": 1.11,
      "Li2O": 0.9,
      "Na2O": 4.61,
      "K2O": 5.35,
      "MgO": 0.02,
      "CaO": 0.6,
      "SrO": 14.77,
      "TiO2": 5.54,
      "Fe2O3": 0.17,
      "CuO": 2.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 55.0
      },
      {
        "material": "strontium carbonate",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 6.0
      },
      {
        "material": "calcium borate frit",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 92.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "24565",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.95,
      "Al2O3": 17.61,
      "Li2O": 1.39,
      "Na2O": 6.4,
      "K2O": 3.05,
      "MgO": 0.17,
      "CaO": 0.51,
      "SrO": 15.2,
      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.54
      },
      {
        "material": "strontium carbonate",
        "amount": 20.88
      },
      {
        "material": "silica",
        "amount": 7.69
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.59
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "24631",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.53,
      "Al2O3": 18.56,
      "Na2O": 1.6,
      "K2O": 5.35,
      "MgO": 4.64,
      "CaO": 9.91,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24643",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.2,
      "Al2O3": 18.26,
      "B2O3": 4.49,
      "Na2O": 1.8,
      "K2O": 1.92,
      "MgO": 2.58,
      "CaO": 25.8,
      "P2O5": 0.14,
      "TiO2": 0.27,
      "Fe2O3": 2.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 38.3
      },
      {
        "material": "whiting",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24671",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.34,
      "Al2O3": 12.73,
      "B2O3": 1.42,
      "Na2O": 5.22,
      "K2O": 3.68,
      "MgO": 2.63,
      "CaO": 0.13,
      "SrO": 0.01,
      "BaO": 0.4,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 0.12,
      "ZnO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 85.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 8.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "24678",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.28,
      "Al2O3": 12.36,
      "Na2O": 1.45,
      "K2O": 4.75,
      "MgO": 0.03,
      "CaO": 11.14,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.5
      },
      {
        "material": "silica",
        "amount": 28.1
      },
      {
        "material": "whiting",
        "amount": 18.1
      },
      {
        "material": "ep kaolin",
        "amount": 10.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.7
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.7
      }
    ]
  },
  {
    "id": "24679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.23,
      "Al2O3": 23.17,
      "Li2O": 1.28,
      "Na2O": 7.84,
      "K2O": 3.81,
      "MgO": 0.15,
      "CaO": 1.03,
      "TiO2": 0.18,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.95
      },
      {
        "material": "ball clay",
        "amount": 17.53
      },
      {
        "material": "lithium carbonate",
        "amount": 3.03
      },
      {
        "material": "silica",
        "amount": 2.79
      },
      {
        "material": "whiting",
        "amount": 0.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "24680",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.4,
      "Al2O3": 17.05,
      "Na2O": 1.87,
      "K2O": 6.25,
      "MgO": 3.27,
      "CaO": 11.22,
      "P2O5": 0.05,
      "TiO2": 3.18,
      "FeO": 1.6,
      "Fe2O3": 1.85,
      "ZnO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 56.8
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 13.6
      },
      {
        "material": "whiting",
        "amount": 10.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 2.0
      },
      {
        "material": "ilmenite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "24681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.49,
      "Al2O3": 12.58,
      "Na2O": 1.48,
      "K2O": 4.83,
      "MgO": 0.03,
      "CaO": 11.34,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.5
      },
      {
        "material": "silica",
        "amount": 28.1
      },
      {
        "material": "whiting",
        "amount": 18.1
      },
      {
        "material": "ep kaolin",
        "amount": 10.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "24682",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.07,
      "Al2O3": 15.72,
      "Na2O": 1.32,
      "K2O": 4.43,
      "MgO": 0.02,
      "CaO": 10.32,
      "SrO": 3.97,
      "P2O5": 0.06,
      "TiO2": 4.92,
      "Fe2O3": 0.46,
      "CoO": 1.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.5
      },
      {
        "material": "ep kaolin",
        "amount": 19.7
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.1
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 94.3
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.4
      },
      {
        "material": "rutile",
        "amount": 2.25
      },
      {
        "material": "titanium dioxide",
        "amount": 2.25
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "24684",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.25,
      "Al2O3": 13.12,
      "Na2O": 1.93,
      "K2O": 12.46,
      "MgO": 4.44,
      "CaO": 15.29,
      "BaO": 4.29,
      "P2O5": 3.86,
      "TiO2": 0.05,
      "MnO": 0.94,
      "FeO": 0.29,
      "Fe2O3": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.0
      },
      {
        "material": "hardwood ash",
        "amount": 16.5
      },
      {
        "material": "soft wood ash",
        "amount": 16.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "24685",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.11,
      "Al2O3": 8.04,
      "B2O3": 15.15,
      "Na2O": 6.8,
      "K2O": 0.08,
      "MgO": 0.05,
      "CaO": 13.02,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "ZrO2": 10.31,
      "Fe2O3": 0.19,
      "CoO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 78.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 18.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "24686",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.02,
      "Al2O3": 7.75,
      "B2O3": 5.19,
      "Li2O": 4.45,
      "Na2O": 3.49,
      "K2O": 12.0,
      "MgO": 5.1,
      "CaO": 11.38,
      "P2O5": 5.24,
      "TiO2": 0.05,
      "ZrO2": 8.88,
      "MnO": 0.83,
      "Fe2O3": 0.36,
      "CoO": 4.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hardwood ash",
        "amount": 35.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "lithium carbonate",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ultrox",
        "amount": 15.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "24804",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.28,
      "Al2O3": 18.9,
      "Li2O": 6.91,
      "Na2O": 1.3,
      "K2O": 4.12,
      "MgO": 2.07,
      "CaO": 2.11,
      "P2O5": 0.9,
      "TiO2": 0.01,
      "Fe2O3": 13.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caulim branco-pb-br",
        "amount": 32.69
      },
      {
        "material": "silica",
        "amount": 10.41
      },
      {
        "material": "carbonato de litio mlb-100 testing",
        "amount": 7.49
      },
      {
        "material": "talco magnesiano minasolo testing",
        "amount": 4.9
      },
      {
        "material": "dolomita -colombo-pr-br",
        "amount": 3.24
      },
      {
        "material": "bone ash",
        "amount": 2.27
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "24811",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.23,
      "Al2O3": 14.34,
      "Na2O": 1.45,
      "K2O": 3.34,
      "MgO": 1.85,
      "CaO": 10.64,
      "TiO2": 0.31,
      "Fe2O3": 8.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 60.0
      },
      {
        "material": "cornwall stone",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24902",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.92,
      "Al2O3": 11.82,
      "B2O3": 2.75,
      "Na2O": 6.27,
      "K2O": 0.92,
      "MgO": 3.14,
      "CaO": 5.74,
      "TiO2": 0.02,
      "Fe2O3": 5.61,
      "ZnO": 4.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "24905",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.01,
      "Al2O3": 14.35,
      "Na2O": 0.05,
      "K2O": 11.44,
      "MgO": 0.16,
      "CaO": 11.32,
      "TiO2": 7.36,
      "Fe2O3": 7.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 64.35
      },
      {
        "material": "whiting",
        "amount": 18.93
      },
      {
        "material": "rutile",
        "amount": 7.89
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.68
      },
      {
        "material": "kaolin",
        "amount": 3.15
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.31
      },
      {
        "material": "total",
        "amount": 106.31
      }
    ]
  },
  {
    "id": "24923",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.45,
      "Al2O3": 30.22,
      "Na2O": 1.39,
      "K2O": 1.37,
      "MgO": 0.3,
      "CaO": 0.26,
      "P2O5": 0.03,
      "TiO2": 1.13,
      "Fe2O3": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 95.0
      }
    ]
  },
  {
    "id": "24924",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.29,
      "Al2O3": 18.65,
      "Na2O": 0.9,
      "K2O": 1.75,
      "MgO": 9.89,
      "CaO": 0.24,
      "P2O5": 0.05,
      "TiO2": 1.09,
      "Fe2O3": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "talc",
        "amount": 25.0
      },
      {
        "material": "fireclay",
        "amount": 20.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "xx sagger ball clay",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 91.0
      }
    ]
  },
  {
    "id": "24927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.05,
      "Al2O3": 22.89,
      "Na2O": 0.29,
      "K2O": 2.49,
      "MgO": 0.88,
      "CaO": 2.44,
      "BaO": 0.36,
      "P2O5": 0.1,
      "TiO2": 1.53,
      "Fe2O3": 3.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 50.0
      },
      {
        "material": "redart",
        "amount": 50.0
      },
      {
        "material": "grog",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "barium carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 135.5
      }
    ]
  },
  {
    "id": "24937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.6,
      "Al2O3": 28.81,
      "B2O3": 1.53,
      "Na2O": 0.89,
      "K2O": 0.76,
      "MgO": 3.75,
      "CaO": 1.8,
      "P2O5": 0.09,
      "TiO2": 0.96,
      "Fe2O3": 0.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "xx sagger ball clay",
        "amount": 15.0
      },
      {
        "material": "fireclay",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "goldart",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "24988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 11.81,
      "B2O3": 2.66,
      "Na2O": 4.1,
      "K2O": 1.99,
      "MgO": 1.97,
      "CaO": 7.06,
      "P2O5": 0.01,
      "TiO2": 7.17,
      "Fe2O3": 0.95,
      "ZnO": 4.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "kaolin e",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "24989",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.66,
      "Al2O3": 10.15,
      "B2O3": 5.52,
      "Na2O": 5.13,
      "K2O": 3.99,
      "MgO": 0.01,
      "CaO": 1.53,
      "SrO": 3.18,
      "BaO": 1.55,
      "P2O5": 0.02,
      "TiO2": 3.63,
      "FeO": 0.02,
      "Fe2O3": 0.5,
      "ZnO": 4.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.7
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.1
      },
      {
        "material": "ep kaolin",
        "amount": 8.9
      },
      {
        "material": "strontium carbonate",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.9
      },
      {
        "material": "whiting",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "24996",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.91,
      "Al2O3": 9.42,
      "B2O3": 3.67,
      "Na2O": 7.04,
      "K2O": 1.14,
      "MgO": 1.26,
      "CaO": 6.51,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "CuO": 0.92,
      "ZnO": 1.9,
      "SnO2": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.77
      },
      {
        "material": "gerstley borate",
        "amount": 9.9
      },
      {
        "material": "dolomite",
        "amount": 4.4
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "whiting",
        "amount": 1.2
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 115.57
      }
    ]
  },
  {
    "id": "25006",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.5,
      "Al2O3": 9.48,
      "Na2O": 1.41,
      "K2O": 4.73,
      "MgO": 1.75,
      "CaO": 13.5,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 1.15,
      "CuO": 0.35,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.9
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "whiting",
        "amount": 21.4
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.4
      },
      {
        "material": "ep kaolin",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.6
      }
    ]
  },
  {
    "id": "25063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.92,
      "Al2O3": 13.15,
      "B2O3": 9.56,
      "Na2O": 4.26,
      "K2O": 2.47,
      "MgO": 0.84,
      "CaO": 8.98,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.27,
      "CuO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "25064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.61,
      "Al2O3": 13.08,
      "B2O3": 9.52,
      "Na2O": 4.24,
      "K2O": 2.46,
      "MgO": 0.84,
      "CaO": 8.94,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.77,
      "CuO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "25065",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.71,
      "Al2O3": 13.1,
      "B2O3": 9.53,
      "Na2O": 4.25,
      "K2O": 2.46,
      "MgO": 0.84,
      "CaO": 8.95,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.27,
      "CuO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "25066",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.82,
      "Al2O3": 13.12,
      "B2O3": 9.55,
      "Na2O": 4.25,
      "K2O": 2.46,
      "MgO": 0.84,
      "CaO": 8.97,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "25067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.52,
      "Al2O3": 13.06,
      "B2O3": 9.5,
      "Na2O": 4.23,
      "K2O": 2.45,
      "MgO": 0.84,
      "CaO": 8.92,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 1.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "25068",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.51,
      "Al2O3": 13.06,
      "B2O3": 9.5,
      "Na2O": 4.23,
      "K2O": 2.45,
      "MgO": 0.84,
      "CaO": 8.92,
      "P2O5": 0.02,
      "TiO2": 0.18,
      "Fe2O3": 0.27,
      "CuO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "25081",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.03,
      "Al2O3": 6.37,
      "B2O3": 5.57,
      "Na2O": 3.84,
      "K2O": 2.43,
      "MgO": 0.17,
      "CaO": 11.21,
      "TiO2": 3.82,
      "Fe2O3": 0.6,
      "CuO": 1.99,
      "ZnO": 3.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 27.86
      },
      {
        "material": "полевой шпат fff",
        "amount": 22.98
      },
      {
        "material": "флюс щелочной s-0101",
        "amount": 21.6
      },
      {
        "material": "волластонит (миволл)",
        "amount": 16.18
      },
      {
        "material": "фриттованный борат кальция",
        "amount": 7.13
      },
      {
        "material": "zinc oxide",
        "amount": 4.25
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.06
      },
      {
        "material": "copper carbonate",
        "amount": 3.3
      },
      {
        "material": "red iron oxide",
        "amount": 0.64
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "25092",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.8,
      "Al2O3": 8.26,
      "B2O3": 5.79,
      "Na2O": 4.56,
      "K2O": 0.73,
      "MgO": 2.42,
      "CaO": 11.5,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 1.29,
      "CuO": 0.36,
      "SnO2": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "gerstley borate",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "25094",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.16,
      "Al2O3": 8.83,
      "B2O3": 3.5,
      "Na2O": 4.77,
      "K2O": 0.78,
      "MgO": 2.38,
      "CaO": 11.72,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.2,
      "CuO": 0.37,
      "SnO2": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      },
      {
        "material": "video from 4",
        "amount": 4.0
      }
    ]
  },
  {
    "id": "25161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.99,
      "Al2O3": 18.49,
      "B2O3": 4.19,
      "Na2O": 2.38,
      "K2O": 1.57,
      "MgO": 3.31,
      "CaO": 7.76,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 14.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "calcined kaolin",
        "amount": 6.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.57,
      "Al2O3": 13.32,
      "B2O3": 6.17,
      "Li2O": 3.69,
      "Na2O": 0.99,
      "K2O": 0.12,
      "MgO": 0.85,
      "CaO": 4.49,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "FeO": 2.4,
      "Fe2O3": 6.25,
      "CoO": 1.72,
      "CuO": 2.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.5
      }
    ]
  },
  {
    "id": "25267",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.65,
      "Al2O3": 14.47,
      "Na2O": 0.06,
      "K2O": 4.92,
      "MgO": 0.09,
      "CaO": 16.23,
      "TiO2": 0.26,
      "Fe2O3": 2.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "clay ceram",
        "amount": 25.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "25289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.09,
      "Al2O3": 5.41,
      "B2O3": 7.86,
      "Na2O": 3.7,
      "K2O": 0.48,
      "MgO": 6.61,
      "CaO": 5.41,
      "SrO": 0.0,
      "BaO": 0.0,
      "P2O5": 0.9,
      "TiO2": 0.13,
      "Fe2O3": 12.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 26.5
      },
      {
        "material": "talc - cps",
        "amount": 19.5
      },
      {
        "material": "silica - g&w",
        "amount": 18.1
      },
      {
        "material": "kaolin g1",
        "amount": 16.4
      },
      {
        "material": "red iron oxide",
        "amount": 12.4
      },
      {
        "material": "wollastonite",
        "amount": 2.1
      },
      {
        "material": "bentonite - eccabond 2014",
        "amount": 2.0
      },
      {
        "material": "nepheline syenite, north cape",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.43,
      "Al2O3": 17.08,
      "Na2O": 6.45,
      "K2O": 3.05,
      "MgO": 4.77,
      "CaO": 6.91,
      "TiO2": 0.05,
      "ZrO2": 11.15,
      "Fe2O3": 0.26,
      "CuO": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.3
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "superpax",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "25313",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.69,
      "Al2O3": 22.82,
      "K2O": 6.6,
      "CaO": 21.87,
      "CuO": 5.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 96.0
      }
    ]
  },
  {
    "id": "25314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.68,
      "Al2O3": 11.57,
      "B2O3": 2.85,
      "Na2O": 2.76,
      "K2O": 4.74,
      "MgO": 0.01,
      "CaO": 11.74,
      "TiO2": 2.61,
      "FeO": 0.04,
      "Fe2O3": 1.5,
      "CoO": 0.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.5
      },
      {
        "material": "iron oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 104.8
      },
      {
        "material": "specific gravity",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "25405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.86,
      "Al2O3": 16.83,
      "B2O3": 2.89,
      "Na2O": 2.03,
      "K2O": 5.21,
      "MgO": 2.81,
      "CaO": 14.08,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "ZrO2": 5.81,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.29,
      "Al2O3": 12.5,
      "Na2O": 0.83,
      "K2O": 3.09,
      "MgO": 0.06,
      "CaO": 12.16,
      "BaO": 1.7,
      "TiO2": 0.01,
      "Fe2O3": 2.26,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.3
      },
      {
        "material": "custer feldspar",
        "amount": 24.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.6
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "25416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.06,
      "Al2O3": 15.25,
      "B2O3": 6.45,
      "Na2O": 5.91,
      "K2O": 2.5,
      "MgO": 3.29,
      "CaO": 8.27,
      "P2O5": 0.02,
      "TiO2": 5.8,
      "Fe2O3": 0.99,
      "SnO2": 10.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "25423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.8,
      "Al2O3": 10.32,
      "B2O3": 1.1,
      "Na2O": 1.13,
      "K2O": 3.29,
      "MgO": 0.38,
      "CaO": 16.71,
      "P2O5": 0.01,
      "TiO2": 0.05,
      "Fe2O3": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.4
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 11.4
      },
      {
        "material": "albany slip discontinued",
        "amount": 8.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.3
      },
      {
        "material": "gerstley borate",
        "amount": 4.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 12.9
      },
      {
        "material": "total",
        "amount": 112.9
      }
    ]
  },
  {
    "id": "25489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.01,
      "Al2O3": 10.46,
      "Na2O": 0.06,
      "K2O": 7.22,
      "MgO": 2.63,
      "CaO": 12.64,
      "Fe2O3": 7.25,
      "ZnO": 4.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "dolomite",
        "amount": 12.5
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 120.5
      }
    ]
  },
  {
    "id": "25522",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.78,
      "Al2O3": 13.11,
      "Na2O": 1.42,
      "K2O": 4.41,
      "MgO": 1.22,
      "CaO": 12.16,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 1.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.71
      },
      {
        "material": "whiting",
        "amount": 17.14
      },
      {
        "material": "ep kaolin",
        "amount": 12.38
      },
      {
        "material": "dolomite",
        "amount": 4.76
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "bentonite",
        "amount": 3.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 104.99
      }
    ]
  },
  {
    "id": "25523",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.67,
      "Al2O3": 12.03,
      "Na2O": 1.09,
      "K2O": 4.02,
      "MgO": 1.03,
      "CaO": 13.53,
      "TiO2": 0.0,
      "Fe2O3": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 34.0
      },
      {
        "material": "wollastonite",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "25543",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.93,
      "Al2O3": 13.78,
      "B2O3": 7.27,
      "Na2O": 5.81,
      "K2O": 2.33,
      "MgO": 1.04,
      "CaO": 5.62,
      "P2O5": 0.04,
      "TiO2": 3.66,
      "Fe2O3": 2.57,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "25546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.13,
      "Al2O3": 16.27,
      "B2O3": 2.37,
      "Na2O": 3.43,
      "K2O": 1.4,
      "MgO": 1.83,
      "CaO": 17.19,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 22.65
      },
      {
        "material": "whiting",
        "amount": 22.35
      },
      {
        "material": "ep kaolin",
        "amount": 20.3
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 8.82
      },
      {
        "material": "gerstley borate",
        "amount": 2.94
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.94
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25547",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.95,
      "Al2O3": 9.29,
      "B2O3": 3.3,
      "Na2O": 3.37,
      "K2O": 1.02,
      "MgO": 0.07,
      "CaO": 14.62,
      "TiO2": 0.19,
      "Cr2O3": 0.21,
      "Fe2O3": 0.21,
      "SnO2": 7.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "25552",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.46,
      "Al2O3": 11.61,
      "B2O3": 4.03,
      "Na2O": 1.91,
      "K2O": 2.61,
      "MgO": 0.3,
      "CaO": 12.67,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 2.23,
      "CoO": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "custer feldspar",
        "amount": 22.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.5
      },
      {
        "material": "gerstley borate",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "25553",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.56,
      "Al2O3": 14.53,
      "Li2O": 1.66,
      "Na2O": 0.05,
      "K2O": 0.31,
      "MgO": 7.4,
      "CaO": 0.03,
      "TiO2": 0.62,
      "ZrO2": 7.73,
      "MnO": 17.72,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 27.0
      },
      {
        "material": "manganese carbonate",
        "amount": 25.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25559",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.02,
      "Al2O3": 9.28,
      "B2O3": 9.22,
      "Na2O": 2.12,
      "K2O": 2.64,
      "MgO": 3.19,
      "CaO": 8.24,
      "P2O5": 0.07,
      "TiO2": 0.08,
      "ZrO2": 9.87,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 21.4
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "zircopax",
        "amount": 12.8
      },
      {
        "material": "ep kaolin",
        "amount": 11.1
      },
      {
        "material": "dolomite",
        "amount": 4.2
      },
      {
        "material": "talc",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.34,
      "Al2O3": 11.98,
      "Li2O": 0.45,
      "Na2O": 3.32,
      "K2O": 1.57,
      "MgO": 2.99,
      "CaO": 8.62,
      "SrO": 3.13,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.19,
      "CoO": 0.18,
      "CuO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 28.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 103.25
      }
    ]
  },
  {
    "id": "25571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.47,
      "Al2O3": 13.76,
      "B2O3": 2.91,
      "Na2O": 2.83,
      "K2O": 7.85,
      "MgO": 0.42,
      "CaO": 9.27,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.2,
      "CuO": 0.21,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.2
      },
      {
        "material": "whiting",
        "amount": 11.6
      },
      {
        "material": "gerstley borate",
        "amount": 10.2
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 103.3
      }
    ]
  },
  {
    "id": "25578",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.08,
      "Al2O3": 8.27,
      "Na2O": 1.23,
      "K2O": 4.08,
      "MgO": 0.01,
      "CaO": 8.19,
      "TiO2": 5.66,
      "ZrO2": 3.62,
      "Fe2O3": 1.22,
      "ZnO": 20.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.61
      },
      {
        "material": "zinc oxide",
        "amount": 20.76
      },
      {
        "material": "whiting",
        "amount": 14.44
      },
      {
        "material": "silica",
        "amount": 14.26
      },
      {
        "material": "zircopax",
        "amount": 5.42
      },
      {
        "material": "ball clay",
        "amount": 4.51
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.61
      },
      {
        "material": "rutile",
        "amount": 2.26
      },
      {
        "material": "yellow ochre",
        "amount": 1.44
      },
      {
        "material": "iron oxide",
        "amount": 0.63
      },
      {
        "material": "total",
        "amount": 107.94
      }
    ]
  },
  {
    "id": "25602",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.52,
      "Al2O3": 9.77,
      "B2O3": 2.57,
      "Na2O": 1.45,
      "K2O": 2.54,
      "MgO": 5.25,
      "CaO": 18.93,
      "TiO2": 5.32,
      "Fe2O3": 1.24,
      "CoO": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 55.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "25635",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.5,
      "Al2O3": 9.07,
      "B2O3": 2.92,
      "Na2O": 4.07,
      "K2O": 3.07,
      "MgO": 0.06,
      "CaO": 10.75,
      "P2O5": 0.83,
      "Fe2O3": 0.18,
      "CuO": 0.63,
      "ZnO": 2.95,
      "SnO2": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "25637",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.31,
      "Al2O3": 9.09,
      "B2O3": 1.08,
      "Li2O": 2.35,
      "Na2O": 0.62,
      "K2O": 0.05,
      "MgO": 0.09,
      "CaO": 0.97,
      "SrO": 25.76,
      "Fe2O3": 0.17,
      "NiO": 1.84,
      "ZnO": 14.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 35.0
      },
      {
        "material": "spodumene",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "zinc oxide",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.5
      },
      {
        "material": "green nickel oxide",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 106.25
      }
    ]
  },
  {
    "id": "25638",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.1,
      "Al2O3": 11.42,
      "B2O3": 3.8,
      "Na2O": 4.44,
      "K2O": 1.88,
      "MgO": 6.55,
      "CaO": 5.07,
      "P2O5": 0.03,
      "TiO2": 2.22,
      "Fe2O3": 0.67,
      "SnO2": 6.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.8
      },
      {
        "material": "silica",
        "amount": 19.43
      },
      {
        "material": "gerstley borate",
        "amount": 14.56
      },
      {
        "material": "talc",
        "amount": 14.56
      },
      {
        "material": "dolomite",
        "amount": 6.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.85
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 112.25
      }
    ]
  },
  {
    "id": "25642",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.63,
      "Al2O3": 9.62,
      "B2O3": 4.0,
      "Na2O": 4.32,
      "K2O": 1.79,
      "MgO": 0.08,
      "CaO": 12.07,
      "SrO": 0.02,
      "BaO": 1.12,
      "TiO2": 0.23,
      "Cr2O3": 0.21,
      "FeO": 0.02,
      "Fe2O3": 0.24,
      "ZnO": 0.87,
      "SnO2": 7.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 18.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "25655",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.18,
      "Al2O3": 12.57,
      "B2O3": 1.9,
      "Li2O": 1.92,
      "Na2O": 1.6,
      "K2O": 4.44,
      "MgO": 0.26,
      "CaO": 10.8,
      "BaO": 11.92,
      "P2O5": 0.04,
      "TiO2": 16.59,
      "Fe2O3": 0.18,
      "ZnO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.02
      },
      {
        "material": "whiting",
        "amount": 16.28
      },
      {
        "material": "barium carbonate",
        "amount": 15.12
      },
      {
        "material": "ep kaolin",
        "amount": 13.37
      },
      {
        "material": "gerstley borate",
        "amount": 6.98
      },
      {
        "material": "lithium carbonate",
        "amount": 4.65
      },
      {
        "material": "zinc oxide",
        "amount": 0.58
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 16.28
      },
      {
        "material": "total",
        "amount": 116.28
      }
    ]
  },
  {
    "id": "25657",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.74,
      "Al2O3": 13.15,
      "Na2O": 1.62,
      "K2O": 5.41,
      "MgO": 0.01,
      "CaO": 0.18,
      "BaO": 31.73,
      "P2O5": 0.03,
      "TiO2": 3.91,
      "Fe2O3": 0.56,
      "CoO": 0.27,
      "CuO": 1.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.02
      },
      {
        "material": "barium carbonate",
        "amount": 38.78
      },
      {
        "material": "ep kaolin",
        "amount": 10.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.08
      },
      {
        "material": "copper carbonate",
        "amount": 2.04
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.41
      },
      {
        "material": "total",
        "amount": 106.53
      }
    ]
  },
  {
    "id": "25673",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.82,
      "Al2O3": 15.17,
      "K2O": 10.96,
      "CaO": 10.95,
      "TiO2": 6.47,
      "Fe2O3": 7.55,
      "ZnO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 63.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "25675",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.81,
      "Al2O3": 12.61,
      "B2O3": 2.94,
      "Li2O": 2.61,
      "Na2O": 3.45,
      "K2O": 1.41,
      "MgO": 6.87,
      "CaO": 3.17,
      "TiO2": 0.0,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.75,
      "Al2O3": 11.92,
      "B2O3": 4.54,
      "Na2O": 2.89,
      "K2O": 3.05,
      "MgO": 1.76,
      "CaO": 6.29,
      "TiO2": 7.04,
      "Fe2O3": 0.2,
      "ZnO": 4.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "нефелин сиенит (altaflux-45)",
        "amount": 37.02
      },
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 28.36
      },
      {
        "material": "фриттованный борат кальция",
        "amount": 9.7
      },
      {
        "material": "wollastonite",
        "amount": 6.78
      },
      {
        "material": "каолин кфн-2",
        "amount": 6.57
      },
      {
        "material": "тальк",
        "amount": 5.94
      },
      {
        "material": "zinc oxide",
        "amount": 4.9
      },
      {
        "material": "карбонат кальция",
        "amount": 0.73
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.5
      },
      {
        "material": "bentonite",
        "amount": 2.09
      },
      {
        "material": "total",
        "amount": 109.59
      }
    ]
  },
  {
    "id": "25686",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.0,
      "Al2O3": 9.45,
      "B2O3": 6.52,
      "Na2O": 2.17,
      "K2O": 3.87,
      "MgO": 1.85,
      "CaO": 6.28,
      "TiO2": 8.94,
      "Fe2O3": 2.09,
      "CoO": 0.34,
      "ZnO": 7.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "полевой шпат fff",
        "amount": 44.56
      },
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 15.74
      },
      {
        "material": "фриттованный борат кальция",
        "amount": 12.53
      },
      {
        "material": "titanium dioxide",
        "amount": 8.63
      },
      {
        "material": "zinc oxide",
        "amount": 7.24
      },
      {
        "material": "доломит",
        "amount": 6.41
      },
      {
        "material": "iron oxide",
        "amount": 2.07
      },
      {
        "material": "тальк",
        "amount": 1.11
      },
      {
        "material": "волластонит (миволл)",
        "amount": 1.04
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.52
      },
      {
        "material": "каолин кфн-2",
        "amount": 0.14
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "25690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.18,
      "Al2O3": 12.57,
      "Na2O": 1.57,
      "K2O": 5.23,
      "MgO": 0.01,
      "CaO": 0.17,
      "BaO": 29.5,
      "P2O5": 0.03,
      "TiO2": 7.24,
      "Fe2O3": 0.92,
      "CuO": 2.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "barium carbonate",
        "amount": 38.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "25692",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.68,
      "Al2O3": 8.95,
      "B2O3": 0.36,
      "Na2O": 3.53,
      "K2O": 4.7,
      "MgO": 1.29,
      "CaO": 11.8,
      "Fe2O3": 1.26,
      "CuO": 0.35,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.5
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "25693",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.87,
      "Al2O3": 8.79,
      "Na2O": 1.75,
      "K2O": 2.66,
      "MgO": 6.5,
      "CaO": 5.32,
      "TiO2": 0.1,
      "Cr2O3": 2.61,
      "MnO2": 4.53,
      "Fe2O3": 7.55,
      "CoO": 7.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 9.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "manganese dioxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 127.0
      }
    ]
  },
  {
    "id": "25723",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.41,
      "Al2O3": 12.61,
      "B2O3": 0.79,
      "Na2O": 6.34,
      "K2O": 0.33,
      "MgO": 2.94,
      "CaO": 7.76,
      "TiO2": 3.26,
      "Fe2O3": 2.14,
      "ZnO": 5.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 60.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 5.0
      },
      {
        "material": "borax",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "25730",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.42,
      "Al2O3": 9.82,
      "B2O3": 7.48,
      "Na2O": 3.44,
      "K2O": 0.59,
      "MgO": 6.28,
      "CaO": 5.17,
      "P2O5": 0.86,
      "TiO2": 0.09,
      "Fe2O3": 11.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frit fsb 510 na2o discontinued",
        "amount": 24.8
      },
      {
        "material": "talc - cps",
        "amount": 18.1
      },
      {
        "material": "kaolin g",
        "amount": 17.2
      },
      {
        "material": "silica - g&w",
        "amount": 12.8
      },
      {
        "material": "red iron oxide",
        "amount": 11.6
      },
      {
        "material": "calcined kaolin g1",
        "amount": 9.7
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "bentonite - eccabond 2014",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25733",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.15,
      "Al2O3": 14.68,
      "B2O3": 4.39,
      "Na2O": 4.86,
      "K2O": 2.07,
      "MgO": 0.04,
      "CaO": 13.78,
      "P2O5": 0.04,
      "TiO2": 5.28,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 43.37
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.92
      },
      {
        "material": "wollastonite",
        "amount": 19.87
      },
      {
        "material": "ep kaolin",
        "amount": 16.84
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "25777",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.12,
      "Al2O3": 21.27,
      "Li2O": 4.28,
      "Na2O": 4.63,
      "K2O": 5.25,
      "CaO": 5.87,
      "P2O5": 4.46,
      "Fe2O3": 10.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 60.0
      },
      {
        "material": "kaolin",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 10.3
      },
      {
        "material": "lithium carbonate",
        "amount": 10.3
      },
      {
        "material": "red iron oxide",
        "amount": 10.3
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "25807",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.72,
      "Al2O3": 9.56,
      "B2O3": 5.07,
      "Na2O": 1.86,
      "K2O": 3.76,
      "MgO": 6.65,
      "CaO": 5.88,
      "P2O5": 0.02,
      "TiO2": 0.16,
      "ZrO2": 7.06,
      "Fe2O3": 0.31,
      "CoO": 2.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.56
      },
      {
        "material": "gerstley borate",
        "amount": 19.35
      },
      {
        "material": "silverline 303 talc, montana talc",
        "amount": 15.05
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 11.83
      },
      {
        "material": "silica",
        "amount": 10.75
      },
      {
        "material": "dolomite",
        "amount": 6.45
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "zircopax",
        "amount": 10.75
      },
      {
        "material": "cobalt oxide",
        "amount": 3.23
      },
      {
        "material": "total",
        "amount": 113.97
      }
    ]
  },
  {
    "id": "25809",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.6,
      "Al2O3": 11.58,
      "B2O3": 10.81,
      "Na2O": 4.83,
      "K2O": 0.1,
      "MgO": 0.03,
      "CaO": 9.31,
      "P2O5": 0.07,
      "TiO2": 2.67,
      "Fe2O3": 3.2,
      "SnO2": 3.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25813",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.11,
      "Al2O3": 11.64,
      "B2O3": 6.32,
      "Na2O": 3.33,
      "K2O": 1.61,
      "MgO": 3.46,
      "CaO": 8.75,
      "P2O5": 0.05,
      "TiO2": 1.98,
      "Fe2O3": 0.49,
      "CuO": 4.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 33.33
      },
      {
        "material": "gerstley borate",
        "amount": 22.22
      },
      {
        "material": "silica",
        "amount": 22.22
      },
      {
        "material": "dolomite",
        "amount": 11.11
      },
      {
        "material": "ep kaolin",
        "amount": 11.11
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.99
      }
    ]
  },
  {
    "id": "25815",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.13,
      "Al2O3": 15.92,
      "B2O3": 3.53,
      "Na2O": 3.14,
      "K2O": 0.69,
      "MgO": 0.12,
      "CaO": 14.05,
      "TiO2": 5.19,
      "Cr2O3": 1.12,
      "Fe2O3": 0.05,
      "ZnO": 2.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 27.65
      },
      {
        "material": "silica",
        "amount": 23.41
      },
      {
        "material": "whiting",
        "amount": 18.43
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 17.15
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.53
      },
      {
        "material": "titanium dioxide",
        "amount": 4.61
      },
      {
        "material": "zinc oxide",
        "amount": 1.84
      },
      {
        "material": "alumina",
        "amount": 1.38
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "25827",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.13,
      "Al2O3": 8.99,
      "B2O3": 2.46,
      "Na2O": 4.07,
      "K2O": 0.11,
      "MgO": 6.39,
      "CaO": 11.24,
      "P2O5": 4.5,
      "TiO2": 0.23,
      "Fe2O3": 9.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 25.5
      },
      {
        "material": "tinkar z",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 11.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "25829",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.09,
      "Al2O3": 13.2,
      "Na2O": 1.69,
      "K2O": 2.36,
      "MgO": 0.37,
      "CaO": 9.39,
      "P2O5": 0.08,
      "TiO2": 0.29,
      "Fe2O3": 1.71,
      "ZnO": 8.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25845",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.38,
      "Al2O3": 12.41,
      "Na2O": 1.58,
      "K2O": 2.22,
      "MgO": 0.34,
      "CaO": 8.82,
      "P2O5": 0.08,
      "TiO2": 1.31,
      "Fe2O3": 6.54,
      "ZnO": 8.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "25846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.96,
      "Al2O3": 12.1,
      "Na2O": 1.55,
      "K2O": 2.16,
      "MgO": 0.33,
      "CaO": 8.58,
      "P2O5": 0.08,
      "TiO2": 5.32,
      "Fe2O3": 1.56,
      "CuO": 3.25,
      "ZnO": 8.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammer feldspar testing",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25919",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.17,
      "Al2O3": 11.88,
      "Na2O": 1.52,
      "K2O": 2.12,
      "MgO": 0.33,
      "CaO": 8.45,
      "P2O5": 0.07,
      "TiO2": 0.26,
      "ZrO2": 6.69,
      "Fe2O3": 1.54,
      "ZnO": 7.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25920",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.91,
      "Al2O3": 11.88,
      "Na2O": 1.52,
      "K2O": 2.12,
      "MgO": 0.33,
      "CaO": 8.45,
      "P2O5": 0.07,
      "TiO2": 10.22,
      "Fe2O3": 1.54,
      "ZnO": 7.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25921",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.46,
      "Al2O3": 12.64,
      "Na2O": 1.61,
      "K2O": 2.26,
      "MgO": 0.35,
      "CaO": 8.99,
      "P2O5": 0.08,
      "TiO2": 4.09,
      "Fe2O3": 2.05,
      "ZnO": 8.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "25951",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.02,
      "Al2O3": 12.29,
      "Na2O": 1.63,
      "K2O": 6.06,
      "MgO": 4.32,
      "CaO": 6.31,
      "P2O5": 0.18,
      "Fe2O3": 0.12,
      "SnO2": 10.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomie (solargil 2018)",
        "amount": 20.0
      },
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 15.0
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "25961",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.8,
      "Al2O3": 19.28,
      "Na2O": 3.73,
      "K2O": 2.49,
      "MgO": 6.54,
      "CaO": 1.67,
      "P2O5": 0.06,
      "TiO2": 0.11,
      "Fe2O3": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 53.47
      },
      {
        "material": "ep kaolin",
        "amount": 21.78
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 20.79
      },
      {
        "material": "silica",
        "amount": 3.96
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "25971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.16,
      "Al2O3": 12.38,
      "B2O3": 6.07,
      "Na2O": 4.25,
      "K2O": 1.69,
      "MgO": 0.84,
      "CaO": 11.01,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "CoO": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.25
      }
    ]
  },
  {
    "id": "25974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.62,
      "Al2O3": 15.46,
      "B2O3": 7.44,
      "Na2O": 5.27,
      "K2O": 2.93,
      "MgO": 0.32,
      "CaO": 6.11,
      "P2O5": 0.01,
      "TiO2": 3.42,
      "Fe2O3": 2.34,
      "CoO": 0.72,
      "CuO": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 35.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "calcined kaolin",
        "amount": 15.5
      },
      {
        "material": "gerstley borate",
        "amount": 8.5
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 109.8
      }
    ]
  },
  {
    "id": "25975",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 9.97,
      "Na2O": 2.8,
      "K2O": 1.94,
      "MgO": 0.06,
      "CaO": 8.85,
      "P2O5": 0.01,
      "TiO2": 4.86,
      "Cr2O3": 0.39,
      "Fe2O3": 3.53,
      "ZnO": 11.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 111.4
      }
    ]
  },
  {
    "id": "25976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.77,
      "Al2O3": 10.11,
      "Na2O": 2.84,
      "K2O": 1.97,
      "MgO": 0.06,
      "CaO": 8.97,
      "P2O5": 0.01,
      "TiO2": 4.93,
      "Cr2O3": 1.18,
      "Fe2O3": 0.12,
      "CuO": 1.26,
      "ZnO": 11.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 110.2
      }
    ]
  },
  {
    "id": "25979",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.19,
      "Al2O3": 13.71,
      "B2O3": 7.63,
      "Na2O": 5.92,
      "K2O": 2.37,
      "MgO": 1.05,
      "CaO": 5.87,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 0.61,
      "CuO": 1.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.5
      },
      {
        "material": "gerstley borate",
        "amount": 26.6
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.2
      },
      {
        "material": "rutile",
        "amount": 3.8
      },
      {
        "material": "copper carbonate",
        "amount": 2.75
      },
      {
        "material": "total",
        "amount": 103.35
      }
    ]
  },
  {
    "id": "25980",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.03,
      "Al2O3": 25.06,
      "Li2O": 2.62,
      "Na2O": 9.73,
      "K2O": 3.14,
      "MgO": 0.09,
      "CaO": 1.71,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "MnO2": 0.37,
      "Fe2O3": 0.87,
      "CuO": 2.07,
      "SnO2": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 62.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "soda ash",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "manganese dioxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "25985",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.08,
      "Al2O3": 14.02,
      "B2O3": 7.14,
      "Na2O": 5.89,
      "K2O": 2.39,
      "MgO": 0.99,
      "CaO": 5.52,
      "P2O5": 0.04,
      "TiO2": 3.74,
      "Fe2O3": 2.55,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 48.0
      },
      {
        "material": "gerstley borate",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "25987",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 21.29,
      "B2O3": 0.34,
      "Na2O": 8.13,
      "K2O": 3.78,
      "MgO": 2.3,
      "CaO": 3.33,
      "P2O5": 1.68,
      "TiO2": 0.03,
      "Cr2O3": 0.49,
      "Fe2O3": 1.17,
      "CoO": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 80.05
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 7.29
      },
      {
        "material": "ep kaolin",
        "amount": 5.35
      },
      {
        "material": "bone ash",
        "amount": 3.89
      },
      {
        "material": "bentonite",
        "amount": 1.96
      },
      {
        "material": "ferro frit 3134",
        "amount": 1.46
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.98
      },
      {
        "material": "chrome oxide",
        "amount": 0.49
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.72
      }
    ]
  },
  {
    "id": "25992",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.11,
      "Al2O3": 6.09,
      "Na2O": 2.99,
      "K2O": 10.4,
      "MgO": 2.04,
      "CaO": 6.52,
      "P2O5": 4.19,
      "TiO2": 0.0,
      "Fe2O3": 10.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "kalifältspat ngp testing",
        "amount": 33.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "25995",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.24,
      "Al2O3": 9.32,
      "B2O3": 4.77,
      "Na2O": 1.98,
      "K2O": 4.32,
      "MgO": 1.89,
      "CaO": 6.43,
      "P2O5": 0.03,
      "TiO2": 8.94,
      "Fe2O3": 2.07,
      "CoO": 0.31,
      "ZnO": 7.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.72
      },
      {
        "material": "silica",
        "amount": 18.45
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.77
      },
      {
        "material": "dolomite",
        "amount": 5.83
      },
      {
        "material": "ep kaolin",
        "amount": 5.3
      },
      {
        "material": "whiting",
        "amount": 1.94
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.51
      }
    ]
  },
  {
    "id": "26018",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.25,
      "Al2O3": 10.09,
      "B2O3": 2.98,
      "Na2O": 1.48,
      "K2O": 0.35,
      "MgO": 1.55,
      "CaO": 26.7,
      "SrO": 13.79,
      "TiO2": 0.39,
      "Fe2O3": 0.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "26030",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.75,
      "Al2O3": 9.08,
      "B2O3": 2.89,
      "Na2O": 1.38,
      "K2O": 7.63,
      "MgO": 0.06,
      "CaO": 9.7,
      "P2O5": 0.89,
      "Fe2O3": 0.1,
      "CuO": 0.63,
      "ZnO": 2.93,
      "SnO2": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "26034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.93,
      "Al2O3": 13.9,
      "B2O3": 7.56,
      "Na2O": 5.97,
      "K2O": 2.41,
      "MgO": 1.04,
      "CaO": 5.82,
      "P2O5": 0.04,
      "TiO2": 3.81,
      "MnO2": 0.91,
      "Fe2O3": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "26036",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 13.84,
      "B2O3": 7.52,
      "Na2O": 5.95,
      "K2O": 2.4,
      "MgO": 1.04,
      "CaO": 5.8,
      "P2O5": 0.04,
      "TiO2": 3.79,
      "Fe2O3": 0.62,
      "CoO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "26037",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.23,
      "Al2O3": 10.46,
      "Li2O": 1.62,
      "Na2O": 3.11,
      "K2O": 2.15,
      "MgO": 5.15,
      "CaO": 9.11,
      "P2O5": 6.34,
      "TiO2": 0.01,
      "Fe2O3": 4.45,
      "CoO": 1.44,
      "CuO": 2.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 16.1
      },
      {
        "material": "silica",
        "amount": 11.6
      },
      {
        "material": "copper carbonate",
        "amount": 4.92
      },
      {
        "material": "red iron oxide",
        "amount": 4.92
      },
      {
        "material": "lithium carbonate",
        "amount": 4.3
      },
      {
        "material": "ep kaolin",
        "amount": 4.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.46
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.3
      }
    ]
  },
  {
    "id": "26039",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.41,
      "Al2O3": 16.53,
      "Li2O": 0.4,
      "Na2O": 5.85,
      "K2O": 2.81,
      "MgO": 0.13,
      "CaO": 0.46,
      "SrO": 13.75,
      "TiO2": 4.99,
      "Fe2O3": 1.16,
      "CoO": 0.62,
      "CuO": 1.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "26043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.32,
      "Al2O3": 2.39,
      "B2O3": 5.96,
      "Na2O": 2.75,
      "K2O": 1.18,
      "MgO": 2.08,
      "CaO": 16.58,
      "Fe2O3": 0.11,
      "ZnO": 4.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "stain",
        "amount": 61.54
      },
      {
        "material": "zinc oxide",
        "amount": 23.08
      },
      {
        "material": "bentonite",
        "amount": 15.38
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "silica",
        "amount": 230.77
      },
      {
        "material": "ferro frit 3134",
        "amount": 130.77
      },
      {
        "material": "whiting",
        "amount": 76.92
      },
      {
        "material": "dolomite",
        "amount": 46.15
      },
      {
        "material": "feldspar",
        "amount": 34.0
      },
      {
        "material": "total",
        "amount": 618.61
      }
    ]
  },
  {
    "id": "26044",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.84,
      "Al2O3": 9.62,
      "B2O3": 15.39,
      "Na2O": 2.38,
      "K2O": 0.33,
      "MgO": 2.08,
      "CaO": 11.21,
      "P2O5": 0.12,
      "TiO2": 0.14,
      "Cr2O3": 2.3,
      "Fe2O3": 0.49,
      "CoO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 47.39
      },
      {
        "material": "silica",
        "amount": 28.44
      },
      {
        "material": "ep kaolin",
        "amount": 18.96
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "chrome oxide",
        "amount": 1.9
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.42
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "26085",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 523.819
      },
      {
        "material": "calculated oxide weight",
        "amount": 460.961
      },
      {
        "material": "loi",
        "amount": 12.0
      }
    ]
  },
  {
    "id": "26129",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.54,
      "Al2O3": 11.82,
      "Li2O": 1.83,
      "Na2O": 0.07,
      "K2O": 8.87,
      "MgO": 6.05,
      "CaO": 9.38,
      "P2O5": 7.11,
      "Fe2O3": 2.06,
      "CoO": 1.84,
      "CuO": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 15.3
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 4.1
      },
      {
        "material": "silica",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 89.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.9
      },
      {
        "material": "cobalt oxide",
        "amount": 1.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 95.9
      }
    ]
  },
  {
    "id": "26130",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.54,
      "Al2O3": 11.82,
      "Li2O": 1.83,
      "Na2O": 0.07,
      "K2O": 8.87,
      "MgO": 6.05,
      "CaO": 9.38,
      "P2O5": 7.11,
      "Fe2O3": 2.06,
      "CoO": 1.84,
      "CuO": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 47.7
      },
      {
        "material": "talc",
        "amount": 17.2
      },
      {
        "material": "bone ash",
        "amount": 15.3
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "lithium carbonate",
        "amount": 4.1
      },
      {
        "material": "silica",
        "amount": 1.2
      },
      {
        "material": "total base recipe",
        "amount": 89.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.9
      },
      {
        "material": "cobalt oxide",
        "amount": 1.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 95.9
      }
    ]
  },
  {
    "id": "26131",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.19,
      "Al2O3": 17.56,
      "Li2O": 4.1,
      "Na2O": 3.02,
      "K2O": 1.41,
      "MgO": 0.08,
      "CaO": 16.42,
      "Fe2O3": 1.3,
      "CuO": 1.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 24.2
      },
      {
        "material": "whiting",
        "amount": 23.2
      },
      {
        "material": "kaolin",
        "amount": 20.1
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "lithium carbonate",
        "amount": 8.1
      },
      {
        "material": "total base recipe",
        "amount": 93.8
      },
      {
        "material": "copper carbonate",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 99.2
      }
    ]
  },
  {
    "id": "26132",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.12,
      "Al2O3": 16.88,
      "Li2O": 4.02,
      "Na2O": 2.91,
      "K2O": 1.36,
      "MgO": 0.04,
      "CaO": 16.08,
      "Fe2O3": 4.69,
      "CuO": 1.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 24.2
      },
      {
        "material": "whiting",
        "amount": 23.2
      },
      {
        "material": "kaolin",
        "amount": 20.1
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "lithium carbonate",
        "amount": 8.1
      },
      {
        "material": "total base recipe",
        "amount": 93.8
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.8
      }
    ]
  },
  {
    "id": "26133",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.22,
      "Al2O3": 12.2,
      "B2O3": 5.98,
      "Na2O": 4.18,
      "K2O": 1.67,
      "MgO": 0.83,
      "CaO": 10.85,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.21,
      "CoO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "26134",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.62,
      "Al2O3": 7.52,
      "B2O3": 3.94,
      "Na2O": 4.19,
      "K2O": 1.68,
      "MgO": 1.39,
      "CaO": 11.54,
      "TiO2": 1.83,
      "Fe2O3": 0.29,
      "CuO": 1.96,
      "ZnO": 3.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "26136",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.62,
      "Al2O3": 10.26,
      "Na2O": 1.23,
      "K2O": 4.74,
      "MgO": 2.81,
      "CaO": 10.46,
      "P2O5": 5.92,
      "TiO2": 0.04,
      "Fe2O3": 16.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir feldspar",
        "amount": 38.61
      },
      {
        "material": "red iron oxide",
        "amount": 16.74
      },
      {
        "material": "bone ash",
        "amount": 13.19
      },
      {
        "material": "silica",
        "amount": 10.95
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.79
      },
      {
        "material": "ep kaolin",
        "amount": 7.86
      },
      {
        "material": "whiting",
        "amount": 3.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "26137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.82,
      "Al2O3": 11.53,
      "B2O3": 5.66,
      "Na2O": 3.95,
      "K2O": 1.58,
      "MgO": 0.78,
      "CaO": 10.25,
      "P2O5": 0.05,
      "TiO2": 3.86,
      "FeO": 0.83,
      "Fe2O3": 2.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "black iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "26139",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.94,
      "Al2O3": 11.27,
      "B2O3": 5.69,
      "Na2O": 2.18,
      "K2O": 4.33,
      "MgO": 0.79,
      "CaO": 5.23,
      "SrO": 3.33,
      "P2O5": 0.05,
      "TiO2": 2.34,
      "Fe2O3": 0.52,
      "CuO": 0.27,
      "ZnO": 3.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.7
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "gerstley borate",
        "amount": 20.1
      },
      {
        "material": "ep kaolin",
        "amount": 8.9
      },
      {
        "material": "strontium carbonate",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.9
      },
      {
        "material": "whiting",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.8
      }
    ]
  },
  {
    "id": "26203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.97,
      "Al2O3": 9.51,
      "B2O3": 2.97,
      "Na2O": 4.43,
      "K2O": 1.93,
      "MgO": 0.26,
      "CaO": 10.2,
      "P2O5": 0.92,
      "MnO": 0.01,
      "Fe2O3": 0.16,
      "CuO": 0.64,
      "ZnO": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "26213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.8,
      "Al2O3": 9.04,
      "Na2O": 3.43,
      "K2O": 0.59,
      "MgO": 0.59,
      "CaO": 11.16,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "ZnO": 1.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspath sodique fn72 (solargil 2018)",
        "amount": 46.07
      },
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 33.49
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 16.09
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 2.55
      },
      {
        "material": "zinc oxide",
        "amount": 1.1
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "coe",
        "amount": 56.0
      }
    ]
  },
  {
    "id": "26216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.73,
      "Al2O3": 12.74,
      "Na2O": 0.79,
      "K2O": 2.98,
      "MgO": 0.03,
      "CaO": 11.8,
      "P2O5": 0.08,
      "Fe2O3": 0.28,
      "ZnO": 2.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 26.5
      },
      {
        "material": "wollastonite",
        "amount": 23.5
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 20.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
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    "id": "26224",
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      "Amt.": 0.0,
      "SiO2": 42.19,
      "Al2O3": 1.85,
      "B2O3": 21.1,
      "Na2O": 9.39,
      "CaO": 18.07,
      "TiO2": 6.67,
      "Fe2O3": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 50.0
      },
      {
        "material": "red dug clay testing",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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      "SiO2": 40.67,
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      "K2O": 5.55,
      "MgO": 3.68,
      "CaO": 12.23,
      "P2O5": 7.12,
      "Fe2O3": 20.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 46.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.38
      },
      {
        "material": "bone ash",
        "amount": 16.06
      },
      {
        "material": "talc",
        "amount": 10.7
      },
      {
        "material": "whiting",
        "amount": 4.7
      },
      {
        "material": "bentonite",
        "amount": 2.17
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
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    "id": "26243",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.2,
      "Al2O3": 10.16,
      "Na2O": 1.22,
      "K2O": 4.68,
      "MgO": 3.01,
      "CaO": 10.06,
      "P2O5": 5.88,
      "TiO2": 0.03,
      "Fe2O3": 16.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 38.61
      },
      {
        "material": "red iron oxide",
        "amount": 16.74
      },
      {
        "material": "bone ash",
        "amount": 13.19
      },
      {
        "material": "silica",
        "amount": 10.95
      },
      {
        "material": "talc",
        "amount": 8.79
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      {
        "material": "ep kaolin",
        "amount": 7.86
      },
      {
        "material": "whiting",
        "amount": 3.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "26248",
    "chemical_composition": {
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      "SiO2": 57.99,
      "Al2O3": 10.84,
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      "MgO": 2.08,
      "CaO": 9.57,
      "P2O5": 4.72,
      "TiO2": 0.06,
      "Fe2O3": 9.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 39.9
      },
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "ep kaolin",
        "amount": 16.4
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.3
      },
      {
        "material": "wollastonite",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.6
      },
      {
        "material": "bone ash",
        "amount": 13.4
      },
      {
        "material": "red iron oxide",
        "amount": 12.4
      },
      {
        "material": "total",
        "amount": 126.4
      }
    ]
  },
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    "id": "26283",
    "chemical_composition": {
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      "SiO2": 60.37,
      "Al2O3": 24.02,
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      "K2O": 4.32,
      "MgO": 0.41,
      "CaO": 0.87,
      "P2O5": 0.01,
      "TiO2": 0.19,
      "Fe2O3": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 233.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 40.0
      },
      {
        "material": "alberta slip",
        "amount": 25.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 300.0
      }
    ]
  },
  {
    "id": "26286",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.24,
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      "Na2O": 20.04,
      "K2O": 0.24,
      "MgO": 0.48,
      "CaO": 0.24,
      "Fe2O3": 21.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda ash",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "bentonite",
        "amount": 24.0
      },
      {
        "material": "soda feldspar",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "26312",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.02,
      "Al2O3": 9.83,
      "B2O3": 3.03,
      "Na2O": 6.57,
      "MgO": 1.28,
      "CaO": 8.9,
      "Fe2O3": 9.49,
      "ZnO": 3.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.5
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.7
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.1
      },
      {
        "material": "total",
        "amount": 111.1
      }
    ]
  },
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    "id": "26318",
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      "SiO2": 59.55,
      "Al2O3": 10.77,
      "Na2O": 2.47,
      "K2O": 1.2,
      "MgO": 0.04,
      "CaO": 13.62,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.12,
      "CuO": 6.16,
      "SnO2": 5.98,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
  {
    "id": "26320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.29,
      "Al2O3": 13.51,
      "Li2O": 3.13,
      "Na2O": 2.94,
      "K2O": 1.37,
      "MgO": 7.92,
      "CaO": 5.26,
      "Fe2O3": 0.11,
      "CoO": 1.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "nepheline syenite",
        "amount": 25.2
      },
      {
        "material": "dolomite",
        "amount": 14.2
      },
      {
        "material": "kaolin",
        "amount": 13.3
      },
      {
        "material": "talc",
        "amount": 11.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "26324",
    "chemical_composition": {
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      "SiO2": 53.72,
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      "Na2O": 2.87,
      "K2O": 0.98,
      "MgO": 0.9,
      "CaO": 18.34,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.18,
      "Fe2O3": 0.13,
      "CoO": 0.19,
      "SnO2": 5.95,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "bentonite",
        "amount": 0.2
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "26328",
    "chemical_composition": {
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      "SiO2": 58.82,
      "Al2O3": 11.35,
      "B2O3": 5.96,
      "Na2O": 2.14,
      "K2O": 4.06,
      "MgO": 0.82,
      "CaO": 5.45,
      "SrO": 3.5,
      "P2O5": 0.02,
      "TiO2": 4.01,
      "Fe2O3": 0.64,
      "ZnO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.7
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "gerstley borate",
        "amount": 20.1
      },
      {
        "material": "kaolin",
        "amount": 8.9
      },
      {
        "material": "strontium carbonate",
        "amount": 4.5
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.9
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "26330",
    "chemical_composition": {
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      "SiO2": 54.3,
      "Al2O3": 13.03,
      "B2O3": 7.08,
      "Na2O": 5.6,
      "K2O": 2.25,
      "MgO": 0.98,
      "CaO": 5.46,
      "P2O5": 0.04,
      "TiO2": 3.57,
      "MnO2": 3.4,
      "Fe2O3": 2.44,
      "CoO": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
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    "id": "26331",
    "chemical_composition": {
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      "SiO2": 55.76,
      "Al2O3": 9.17,
      "B2O3": 8.4,
      "Na2O": 6.24,
      "K2O": 1.19,
      "MgO": 0.07,
      "CaO": 14.1,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 2.03,
      "SnO2": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 37.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "26334",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.81,
      "Al2O3": 22.2,
      "B2O3": 5.1,
      "Na2O": 4.06,
      "K2O": 1.74,
      "MgO": 0.74,
      "CaO": 4.0,
      "P2O5": 0.12,
      "TiO2": 2.7,
      "Fe2O3": 0.68,
      "CoO": 2.44,
      "SnO2": 1.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 54.0
      },
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "total base recipe",
        "amount": 148.6
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.5
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 160.1
      }
    ]
  },
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    "id": "26343",
    "chemical_composition": {
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      "SiO2": 57.42,
      "Al2O3": 11.65,
      "Na2O": 1.19,
      "K2O": 2.65,
      "MgO": 3.22,
      "CaO": 7.32,
      "P2O5": 5.82,
      "TiO2": 0.08,
      "Fe2O3": 10.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 20.5
      },
      {
        "material": "ep kaolin",
        "amount": 18.5
      },
      {
        "material": "red iron oxide",
        "amount": 11.7
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 111.7
      }
    ]
  },
  {
    "id": "26370",
    "chemical_composition": {
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      "SiO2": 58.48,
      "Al2O3": 10.66,
      "B2O3": 1.78,
      "Na2O": 3.04,
      "K2O": 0.54,
      "MgO": 4.76,
      "CaO": 7.91,
      "BaO": 0.0,
      "P2O5": 3.13,
      "TiO2": 0.08,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 9.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "soda feldspar",
        "amount": 19.0
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "26373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.5,
      "Al2O3": 12.68,
      "B2O3": 2.53,
      "Na2O": 3.56,
      "K2O": 0.42,
      "MgO": 6.07,
      "CaO": 11.45,
      "P2O5": 4.28,
      "TiO2": 0.33,
      "MnO": 0.01,
      "Fe2O3": 10.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "26379",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.63,
      "Al2O3": 10.01,
      "B2O3": 2.41,
      "Na2O": 5.44,
      "K2O": 0.79,
      "MgO": 2.71,
      "CaO": 5.02,
      "TiO2": 12.23,
      "MnO2": 2.19,
      "Fe2O3": 6.88,
      "CuO": 1.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "26383",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.1,
      "Al2O3": 10.08,
      "B2O3": 2.38,
      "Li2O": 0.23,
      "Na2O": 4.44,
      "K2O": 0.35,
      "MgO": 5.53,
      "CaO": 3.99,
      "TiO2": 0.19,
      "Fe2O3": 7.52,
      "CuO": 2.45,
      "ZnO": 4.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "tinkar z",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "nepheline syenite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "26388",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.73,
      "Al2O3": 11.84,
      "B2O3": 2.02,
      "Na2O": 0.91,
      "K2O": 6.05,
      "MgO": 2.84,
      "CaO": 10.05,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 9.47,
      "CuO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "26396",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.04,
      "Al2O3": 9.66,
      "B2O3": 15.45,
      "Na2O": 2.39,
      "K2O": 0.33,
      "MgO": 2.09,
      "CaO": 11.25,
      "P2O5": 0.12,
      "TiO2": 0.15,
      "Cr2O3": 2.31,
      "Fe2O3": 0.49,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "26399",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.21,
      "Al2O3": 8.9,
      "B2O3": 14.24,
      "Na2O": 2.2,
      "K2O": 0.31,
      "MgO": 1.92,
      "CaO": 10.37,
      "P2O5": 0.11,
      "TiO2": 0.13,
      "ZrO2": 7.14,
      "Fe2O3": 0.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "26402",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.57,
      "Al2O3": 13.57,
      "B2O3": 7.38,
      "Na2O": 5.83,
      "K2O": 2.35,
      "MgO": 1.02,
      "CaO": 5.69,
      "P2O5": 0.04,
      "TiO2": 3.72,
      "Fe2O3": 3.51,
      "CoO": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "26403",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.9,
      "Al2O3": 12.93,
      "B2O3": 7.03,
      "Na2O": 5.56,
      "K2O": 2.24,
      "MgO": 0.97,
      "CaO": 5.42,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 10.34,
      "CoO": 1.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "26441",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.75,
      "Al2O3": 8.82,
      "B2O3": 1.81,
      "Na2O": 2.14,
      "K2O": 4.48,
      "MgO": 0.1,
      "CaO": 11.51,
      "SrO": 11.52,
      "TiO2": 0.02,
      "Cr2O3": 1.64,
      "Fe2O3": 0.05,
      "CuO": 3.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "potash feldspar",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.5
      },
      {
        "material": "chrome oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "26517",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.85,
      "Al2O3": 26.61,
      "Li2O": 1.07,
      "Na2O": 6.48,
      "K2O": 2.55,
      "MgO": 0.13,
      "CaO": 0.54,
      "P2O5": 0.03,
      "TiO2": 0.32,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.6
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "spodumene",
        "amount": 12.5
      },
      {
        "material": "minspar 200",
        "amount": 9.1
      },
      {
        "material": "soda ash",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "26547",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.36,
      "Al2O3": 12.09,
      "B2O3": 3.84,
      "Li2O": 2.2,
      "Na2O": 2.24,
      "K2O": 2.3,
      "MgO": 1.85,
      "CaO": 7.76,
      "P2O5": 0.0,
      "TiO2": 0.0,
      "Fe2O3": 8.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 28.52
      },
      {
        "material": "custer feldspar",
        "amount": 23.58
      },
      {
        "material": "silica",
        "amount": 18.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.3
      },
      {
        "material": "dolomite",
        "amount": 8.12
      },
      {
        "material": "whiting",
        "amount": 3.87
      },
      {
        "material": "gerstley borate",
        "amount": 2.71
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "26563",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.22,
      "Al2O3": 20.14,
      "B2O3": 4.67,
      "Na2O": 2.39,
      "K2O": 2.52,
      "MgO": 3.78,
      "CaO": 12.36,
      "TiO2": 5.02,
      "MnO2": 3.56,
      "FeO": 0.15,
      "Fe2O3": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "calcined alumina",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "granular ilmenite",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "26564",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.81,
      "Al2O3": 11.64,
      "B2O3": 4.75,
      "Na2O": 2.48,
      "K2O": 2.99,
      "MgO": 1.82,
      "CaO": 16.1,
      "TiO2": 0.29,
      "Cr2O3": 0.52,
      "Fe2O3": 0.8,
      "SnO2": 7.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "26565",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.17,
      "Al2O3": 9.02,
      "B2O3": 3.76,
      "Na2O": 1.8,
      "K2O": 4.21,
      "MgO": 6.84,
      "CaO": 5.02,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.14,
      "ZnO": 2.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.4
      },
      {
        "material": "silica",
        "amount": 21.72
      },
      {
        "material": "talc",
        "amount": 13.61
      },
      {
        "material": "gerstley borate",
        "amount": 12.71
      },
      {
        "material": "dolomite",
        "amount": 6.41
      },
      {
        "material": "ep kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "total",
        "amount": 99.05
      }
    ]
  },
  {
    "id": "26626",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.23,
      "Al2O3": 10.37,
      "B2O3": 5.58,
      "Na2O": 3.17,
      "K2O": 2.15,
      "MgO": 1.55,
      "CaO": 7.0,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.26,
      "CoO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "26630",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.42,
      "Al2O3": 11.32,
      "B2O3": 1.57,
      "Li2O": 1.89,
      "Na2O": 0.85,
      "K2O": 1.0,
      "MgO": 5.59,
      "CaO": 8.64,
      "P2O5": 0.05,
      "TiO2": 0.26,
      "Fe2O3": 3.49,
      "SnO2": 4.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "redart",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 111.06
      }
    ]
  },
  {
    "id": "26631",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.94,
      "Al2O3": 15.4,
      "B2O3": 2.94,
      "Na2O": 2.75,
      "K2O": 7.74,
      "MgO": 0.39,
      "CaO": 5.72,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "MnO2": 3.47,
      "Fe2O3": 0.17,
      "CoO": 1.86,
      "CuO": 2.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 77.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "26657",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.57,
      "Al2O3": 11.12,
      "Na2O": 1.5,
      "K2O": 5.64,
      "MgO": 0.13,
      "CaO": 15.01,
      "TiO2": 0.0,
      "Cr2O3": 0.54,
      "Fe2O3": 0.15,
      "SnO2": 5.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir feldspar",
        "amount": 44.64
      },
      {
        "material": "whiting",
        "amount": 24.83
      },
      {
        "material": "silica",
        "amount": 22.76
      },
      {
        "material": "grolleg kaolin",
        "amount": 6.04
      },
      {
        "material": "bentonite",
        "amount": 1.72
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.49
      }
    ]
  },
  {
    "id": "26735",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.69,
      "Al2O3": 15.06,
      "B2O3": 3.69,
      "Na2O": 3.29,
      "K2O": 0.72,
      "MgO": 0.12,
      "CaO": 14.72,
      "TiO2": 0.02,
      "Cr2O3": 0.22,
      "Fe2O3": 0.06,
      "SnO2": 5.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "26760",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.24,
      "Al2O3": 13.04,
      "Na2O": 1.22,
      "K2O": 6.08,
      "MgO": 0.22,
      "CaO": 12.91,
      "Cr2O3": 0.56,
      "Fe2O3": 0.14,
      "SnO2": 5.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "quantum ap200f potassium feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "26790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.78,
      "Al2O3": 12.6,
      "B2O3": 2.67,
      "Na2O": 0.5,
      "K2O": 7.97,
      "MgO": 0.42,
      "CaO": 11.3,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 8.64,
      "CoO": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "26974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.34,
      "Al2O3": 18.93,
      "Na2O": 4.98,
      "K2O": 3.0,
      "MgO": 0.06,
      "CaO": 13.93,
      "P2O5": 3.32,
      "TiO2": 0.06,
      "Fe2O3": 0.64,
      "ZnO": 7.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.7
      },
      {
        "material": "nepheline syenite",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.4
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "bone ash",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
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    "id": "26983",
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      "BaO": 6.22,
      "CoO": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.0
      },
      {
        "material": "kaolin",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "barium carbonate",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
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    "id": "26984",
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      "Al2O3": 21.67,
      "K2O": 8.96,
      "MgO": 2.46,
      "CaO": 11.14,
      "TiO2": 1.1,
      "Cr2O3": 1.1,
      "CoO": 0.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.0
      },
      {
        "material": "kaolin",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
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    "id": "26985",
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      "SiO2": 57.36,
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      "CoO": 2.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 46.36
      },
      {
        "material": "kaolin",
        "amount": 27.27
      },
      {
        "material": "whiting",
        "amount": 19.09
      },
      {
        "material": "silica",
        "amount": 7.27
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 103.99
      }
    ]
  },
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    "id": "27036",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.89,
      "Al2O3": 20.41,
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      "K2O": 7.65,
      "MgO": 0.1,
      "CaO": 14.9,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27037",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.15,
      "Al2O3": 19.76,
      "K2O": 9.72,
      "MgO": 2.56,
      "CaO": 14.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27039",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.01,
      "Al2O3": 20.47,
      "Na2O": 5.54,
      "K2O": 2.6,
      "MgO": 2.27,
      "CaO": 8.0,
      "Fe2O3": 0.06,
      "ZnO": 6.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.92
      },
      {
        "material": "kaolin",
        "amount": 16.36
      },
      {
        "material": "silica",
        "amount": 10.91
      },
      {
        "material": "dolomite",
        "amount": 9.09
      },
      {
        "material": "whiting",
        "amount": 7.27
      },
      {
        "material": "zinc oxide",
        "amount": 5.45
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.13,
      "Al2O3": 19.52,
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      "MgO": 1.44,
      "CaO": 11.71,
      "BaO": 3.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 56.0
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "kaolin",
        "amount": 17.5
      },
      {
        "material": "barium carbonate",
        "amount": 4.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.28,
      "Al2O3": 21.46,
      "K2O": 9.96,
      "MgO": 5.56,
      "CaO": 7.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 51.0
      },
      {
        "material": "kaolin",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27046",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.45,
      "Al2O3": 13.25,
      "Na2O": 0.05,
      "K2O": 9.68,
      "MgO": 0.03,
      "CaO": 9.1,
      "BaO": 24.21,
      "TiO2": 0.12,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 49.0
      },
      {
        "material": "barium carbonate",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27047",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.42,
      "Al2O3": 9.54,
      "Na2O": 0.04,
      "K2O": 6.79,
      "MgO": 2.76,
      "CaO": 3.83,
      "BaO": 22.01,
      "TiO2": 0.09,
      "ZrO2": 11.43,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ball clay",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "27087",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.1,
      "Al2O3": 20.74,
      "Na2O": 5.64,
      "K2O": 2.73,
      "MgO": 5.66,
      "CaO": 8.85,
      "TiO2": 0.11,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27093",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.55,
      "Al2O3": 20.77,
      "Na2O": 1.97,
      "K2O": 8.79,
      "MgO": 4.59,
      "CaO": 9.06,
      "TiO2": 0.13,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27094",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.8,
      "Al2O3": 16.41,
      "Na2O": 6.19,
      "K2O": 2.89,
      "MgO": 1.05,
      "CaO": 3.68,
      "TiO2": 12.18,
      "FeO": 4.04,
      "Fe2O3": 1.0,
      "CuO": 2.2,
      "ZnO": 2.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ilmenite",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 124.0
      }
    ]
  },
  {
    "id": "27100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.05,
      "Al2O3": 16.83,
      "K2O": 11.38,
      "MgO": 4.91,
      "CaO": 6.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27126",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.55,
      "Al2O3": 18.45,
      "K2O": 8.82,
      "SrO": 22.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.48
      },
      {
        "material": "strontium carbonate",
        "amount": 28.17
      },
      {
        "material": "kaolin",
        "amount": 19.72
      },
      {
        "material": "silica",
        "amount": 5.63
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27127",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.37,
      "Al2O3": 19.12,
      "K2O": 8.94,
      "MgO": 1.29,
      "CaO": 1.79,
      "SrO": 16.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.88
      },
      {
        "material": "kaolin",
        "amount": 20.83
      },
      {
        "material": "strontium carbonate",
        "amount": 20.83
      },
      {
        "material": "silica",
        "amount": 6.25
      },
      {
        "material": "dolomite",
        "amount": 5.21
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.18,
      "Al2O3": 19.02,
      "K2O": 9.0,
      "MgO": 2.02,
      "SrO": 17.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 48.05
      },
      {
        "material": "strontium carbonate",
        "amount": 22.88
      },
      {
        "material": "kaolin",
        "amount": 20.82
      },
      {
        "material": "talc",
        "amount": 5.72
      },
      {
        "material": "silica",
        "amount": 2.53
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27141",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.11,
      "Al2O3": 17.53,
      "K2O": 9.25,
      "MgO": 1.58,
      "CaO": 2.19,
      "BaO": 22.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 48.72
      },
      {
        "material": "barium carbonate",
        "amount": 25.64
      },
      {
        "material": "kaolin",
        "amount": 16.67
      },
      {
        "material": "dolomite",
        "amount": 6.41
      },
      {
        "material": "silica",
        "amount": 2.56
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27150",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.85,
      "Al2O3": 15.83,
      "Na2O": 0.03,
      "K2O": 12.01,
      "MgO": 0.11,
      "CaO": 11.44,
      "P2O5": 0.02,
      "TiO2": 8.22,
      "Fe2O3": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 68.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "red clay",
        "amount": 7.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "27162",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.61,
      "Al2O3": 10.06,
      "B2O3": 5.29,
      "Na2O": 4.71,
      "K2O": 0.87,
      "MgO": 0.02,
      "CaO": 11.3,
      "SrO": 0.03,
      "BaO": 1.49,
      "P2O5": 0.05,
      "TiO2": 3.54,
      "ZrO2": 6.46,
      "FeO": 0.02,
      "Fe2O3": 0.55,
      "CuO": 1.86,
      "ZnO": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "27163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.47,
      "Al2O3": 4.27,
      "B2O3": 9.22,
      "Na2O": 7.93,
      "K2O": 1.19,
      "MgO": 2.06,
      "CaO": 3.73,
      "SrO": 0.05,
      "BaO": 2.59,
      "TiO2": 1.3,
      "FeO": 0.04,
      "Fe2O3": 6.16,
      "ZnO": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 26.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 74.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 80.0
      }
    ]
  },
  {
    "id": "27166",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.23,
      "Al2O3": 13.01,
      "Na2O": 1.66,
      "K2O": 2.32,
      "MgO": 0.36,
      "CaO": 9.26,
      "P2O5": 0.08,
      "TiO2": 0.29,
      "Fe2O3": 1.68,
      "CoO": 1.37,
      "ZnO": 8.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "27175",
    "chemical_composition": {
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      "SiO2": 56.48,
      "Al2O3": 15.96,
      "Na2O": 0.04,
      "K2O": 12.28,
      "MgO": 5.37,
      "CaO": 7.46,
      "TiO2": 0.11,
      "Cr2O3": 1.66,
      "Fe2O3": 0.11,
      "CoO": 0.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 65.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "27179",
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      "Amt.": 0.0,
      "SiO2": 58.39,
      "Al2O3": 16.51,
      "Na2O": 10.04,
      "CaO": 8.41,
      "CuO": 0.64,
      "ZnO": 6.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 85.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "27188",
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      "Amt.": 0.0,
      "SiO2": 56.86,
      "Al2O3": 13.89,
      "B2O3": 4.42,
      "Na2O": 2.19,
      "K2O": 0.6,
      "MgO": 1.3,
      "CaO": 19.19,
      "TiO2": 0.43,
      "Fe2O3": 0.44,
      "CuO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "27190",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.48,
      "Al2O3": 11.87,
      "B2O3": 3.67,
      "Na2O": 2.32,
      "K2O": 2.22,
      "MgO": 2.83,
      "CaO": 10.13,
      "TiO2": 4.82,
      "Fe2O3": 0.65,
      "CuO": 3.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "pioneer kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "silverline 303 talc, montana talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "27191",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.26,
      "Al2O3": 6.23,
      "B2O3": 13.67,
      "Na2O": 2.05,
      "K2O": 0.26,
      "MgO": 1.8,
      "CaO": 9.92,
      "P2O5": 0.09,
      "TiO2": 13.88,
      "Fe2O3": 1.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "27198",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.15,
      "Al2O3": 8.95,
      "B2O3": 5.54,
      "Na2O": 2.65,
      "K2O": 0.65,
      "MgO": 0.02,
      "CaO": 13.71,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "ZrO2": 9.04,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.1
      },
      {
        "material": "silica",
        "amount": 23.4
      },
      {
        "material": "ep kaolin",
        "amount": 22.3
      },
      {
        "material": "wollastonite",
        "amount": 20.6
      },
      {
        "material": "custer feldspar",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 114.9
      }
    ]
  },
  {
    "id": "27200",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.11,
      "Al2O3": 20.54,
      "B2O3": 4.77,
      "Na2O": 2.43,
      "K2O": 2.57,
      "MgO": 3.86,
      "CaO": 12.6,
      "TiO2": 4.96,
      "Fe2O3": 1.21,
      "CoO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "calcined alumina",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "27201",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.03,
      "Al2O3": 5.73,
      "B2O3": 8.22,
      "Na2O": 2.48,
      "K2O": 0.93,
      "MgO": 5.24,
      "CaO": 6.38,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 13.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "silverline 303 talc, montana talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "27203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.21,
      "Al2O3": 11.57,
      "B2O3": 5.96,
      "Na2O": 4.01,
      "K2O": 1.59,
      "MgO": 0.82,
      "CaO": 9.3,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 0.52,
      "Fe2O3": 2.8,
      "CoO": 2.14,
      "NiO": 0.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.59
      },
      {
        "material": "cobalt oxide",
        "amount": 2.17
      },
      {
        "material": "black nickel oxide",
        "amount": 0.91
      },
      {
        "material": "chrome oxide",
        "amount": 0.49
      },
      {
        "material": "total",
        "amount": 106.16
      }
    ]
  },
  {
    "id": "27207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.39,
      "Al2O3": 12.7,
      "B2O3": 4.55,
      "Na2O": 2.42,
      "K2O": 3.27,
      "MgO": 2.0,
      "CaO": 10.69,
      "TiO2": 6.01,
      "Fe2O3": 1.18,
      "CoO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ravenscrag slip",
        "amount": 80.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "27208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.49,
      "Al2O3": 13.55,
      "B2O3": 7.37,
      "Na2O": 5.82,
      "K2O": 2.35,
      "MgO": 1.02,
      "CaO": 5.68,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 2.54,
      "CoO": 1.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "27209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.47,
      "Al2O3": 13.77,
      "K2O": 8.55,
      "CaO": 12.59,
      "Fe2O3": 3.2,
      "CoO": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.37
      },
      {
        "material": "silica",
        "amount": 21.05
      },
      {
        "material": "whiting",
        "amount": 21.05
      },
      {
        "material": "kaolin",
        "amount": 10.53
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.16
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.11
      },
      {
        "material": "total",
        "amount": 105.27
      }
    ]
  },
  {
    "id": "27216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.9,
      "Al2O3": 9.72,
      "Na2O": 0.06,
      "K2O": 6.81,
      "MgO": 0.04,
      "CaO": 8.26,
      "TiO2": 4.89,
      "Fe2O3": 0.07,
      "CoO": 0.62,
      "CuO": 1.89,
      "ZnO": 11.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "27220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.5,
      "Al2O3": 18.53,
      "Na2O": 1.7,
      "K2O": 6.54,
      "MgO": 4.98,
      "CaO": 6.91,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "SnO2": 8.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 53.0
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "27234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 14.38,
      "B2O3": 1.63,
      "Li2O": 1.96,
      "Na2O": 0.8,
      "K2O": 0.25,
      "MgO": 5.47,
      "CaO": 8.95,
      "TiO2": 0.29,
      "Fe2O3": 2.09,
      "SnO2": 5.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 23.3
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 23.3
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.85
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 109.16
      }
    ]
  },
  {
    "id": "27263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.31,
      "Al2O3": 10.05,
      "B2O3": 3.73,
      "Na2O": 3.86,
      "K2O": 2.1,
      "MgO": 0.44,
      "CaO": 10.64,
      "P2O5": 0.47,
      "TiO2": 0.05,
      "MnO": 0.01,
      "Fe2O3": 1.22,
      "ZnO": 3.07,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hess pumice",
        "amount": 53.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "wollastonite - vansil",
        "amount": 14.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "silica",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "27308",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 8.94,
      "Al2O3": 0.61,
      "B2O3": 16.19,
      "Na2O": 2.42,
      "K2O": 0.24,
      "MgO": 2.11,
      "CaO": 11.72,
      "P2O5": 0.06,
      "TiO2": 0.06,
      "Fe2O3": 57.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "red iron oxide",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.47,
      "Al2O3": 18.28,
      "Na2O": 1.49,
      "K2O": 7.45,
      "MgO": 0.27,
      "CaO": 13.19,
      "Cr2O3": 0.27,
      "Fe2O3": 0.17,
      "SnO2": 5.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "quantum ap200f potassium feldspar",
        "amount": 57.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 105.25
      }
    ]
  },
  {
    "id": "27371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.94,
      "Al2O3": 10.67,
      "Na2O": 0.03,
      "K2O": 6.62,
      "MgO": 2.84,
      "CaO": 11.74,
      "BaO": 14.12,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "CoO": 0.21,
      "NiO": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.14
      },
      {
        "material": "barium carbonate",
        "amount": 16.42
      },
      {
        "material": "wollastonite",
        "amount": 14.61
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "dolomite",
        "amount": 11.58
      },
      {
        "material": "ep kaolin",
        "amount": 8.13
      },
      {
        "material": "bentonite",
        "amount": 0.82
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 0.6
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.8
      }
    ]
  },
  {
    "id": "27372",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.23,
      "Al2O3": 9.72,
      "Na2O": 0.03,
      "K2O": 6.03,
      "MgO": 2.58,
      "CaO": 10.7,
      "BaO": 12.96,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 9.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.09
      },
      {
        "material": "barium carbonate",
        "amount": 16.53
      },
      {
        "material": "wollastonite",
        "amount": 14.6
      },
      {
        "material": "silica",
        "amount": 13.28
      },
      {
        "material": "dolomite",
        "amount": 11.56
      },
      {
        "material": "ep kaolin",
        "amount": 8.12
      },
      {
        "material": "bentonite",
        "amount": 0.83
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.01
      }
    ]
  },
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    "id": "27373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.72,
      "Al2O3": 9.82,
      "Na2O": 0.03,
      "K2O": 6.1,
      "MgO": 2.61,
      "CaO": 10.81,
      "BaO": 12.99,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 4.93,
      "CoO": 1.9,
      "CuO": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.14
      },
      {
        "material": "barium carbonate",
        "amount": 16.42
      },
      {
        "material": "wollastonite",
        "amount": 14.61
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "dolomite",
        "amount": 11.58
      },
      {
        "material": "ep kaolin",
        "amount": 8.13
      },
      {
        "material": "bentonite",
        "amount": 0.82
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
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    "id": "27374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.82,
      "Al2O3": 10.65,
      "Na2O": 0.03,
      "K2O": 6.61,
      "MgO": 2.83,
      "CaO": 11.72,
      "BaO": 14.09,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "NiO": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.14
      },
      {
        "material": "barium carbonate",
        "amount": 16.42
      },
      {
        "material": "wollastonite",
        "amount": 14.61
      },
      {
        "material": "silica",
        "amount": 13.3
      },
      {
        "material": "dolomite",
        "amount": 11.58
      },
      {
        "material": "ep kaolin",
        "amount": 8.13
      },
      {
        "material": "bentonite",
        "amount": 0.82
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "27412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.44,
      "Al2O3": 10.67,
      "B2O3": 5.61,
      "Na2O": 4.99,
      "K2O": 0.93,
      "MgO": 0.02,
      "CaO": 11.98,
      "SrO": 0.03,
      "BaO": 1.58,
      "P2O5": 0.05,
      "TiO2": 10.27,
      "FeO": 0.02,
      "Fe2O3": 0.18,
      "ZnO": 1.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "27442",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.16,
      "Al2O3": 12.77,
      "B2O3": 5.91,
      "Na2O": 3.69,
      "K2O": 1.9,
      "MgO": 0.78,
      "CaO": 10.45,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 38.04
      },
      {
        "material": "silica",
        "amount": 22.83
      },
      {
        "material": "gerstley borate",
        "amount": 19.57
      },
      {
        "material": "ep kaolin",
        "amount": 10.87
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "27443",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.1,
      "Al2O3": 12.31,
      "Na2O": 4.07,
      "K2O": 2.59,
      "MgO": 5.7,
      "CaO": 11.5,
      "TiO2": 0.04,
      "Cr2O3": 1.35,
      "Fe2O3": 0.21,
      "CoO": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.98
      },
      {
        "material": "cornwall stone",
        "amount": 23.67
      },
      {
        "material": "silica",
        "amount": 14.99
      },
      {
        "material": "dolomite",
        "amount": 13.22
      },
      {
        "material": "whiting",
        "amount": 10.85
      },
      {
        "material": "talc",
        "amount": 7.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.67
      },
      {
        "material": "chrome oxide",
        "amount": 1.27
      },
      {
        "material": "total",
        "amount": 106.44
      }
    ]
  },
  {
    "id": "27445",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 21.26,
      "Al2O3": 10.12,
      "Na2O": 0.57,
      "K2O": 1.93,
      "MgO": 0.02,
      "CaO": 0.09,
      "SrO": 17.42,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "MnO2": 32.35,
      "Fe2O3": 0.16,
      "CuO": 15.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 30.0
      },
      {
        "material": "copper carbonate",
        "amount": 20.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27447",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.12,
      "Al2O3": 26.35,
      "Li2O": 2.66,
      "Na2O": 4.5,
      "K2O": 2.27,
      "MgO": 0.11,
      "CaO": 0.4,
      "P2O5": 0.07,
      "TiO2": 0.21,
      "MnO": 0.01,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 43.16
      },
      {
        "material": "spodumene - australian",
        "amount": 33.68
      },
      {
        "material": "ball clay",
        "amount": 17.89
      },
      {
        "material": "ep kaolin",
        "amount": 5.26
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "27449",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.71,
      "Al2O3": 23.79,
      "Li2O": 1.46,
      "Na2O": 6.92,
      "K2O": 4.19,
      "MgO": 0.09,
      "CaO": 0.41,
      "P2O5": 0.01,
      "TiO2": 0.17,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 13.0
      },
      {
        "material": "ball clay",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 75.0
      }
    ]
  },
  {
    "id": "27456",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.74,
      "Al2O3": 12.36,
      "B2O3": 1.5,
      "Na2O": 1.95,
      "K2O": 5.71,
      "MgO": 0.23,
      "CaO": 13.2,
      "P2O5": 0.01,
      "TiO2": 0.12,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "27457",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.45,
      "Al2O3": 13.58,
      "B2O3": 2.66,
      "Na2O": 5.34,
      "K2O": 2.97,
      "MgO": 0.4,
      "CaO": 11.02,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "CuO": 0.29,
      "SnO2": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.26
      },
      {
        "material": "silica",
        "amount": 23.58
      },
      {
        "material": "whiting",
        "amount": 14.27
      },
      {
        "material": "gerstley borate",
        "amount": 9.1
      },
      {
        "material": "custer feldspar (1989)",
        "amount": 6.2
      },
      {
        "material": "ep kaolin",
        "amount": 2.59
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.04
      },
      {
        "material": "copper carbonate",
        "amount": 0.41
      },
      {
        "material": "total",
        "amount": 101.45
      }
    ]
  },
  {
    "id": "27458",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.94,
      "Al2O3": 18.22,
      "Na2O": 3.55,
      "K2O": 2.3,
      "MgO": 4.81,
      "CaO": 10.11,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.2,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "27459",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.29,
      "Al2O3": 15.38,
      "Na2O": 2.37,
      "K2O": 7.72,
      "MgO": 0.05,
      "CaO": 8.88,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Cr2O3": 4.1,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 75.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "27460",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.76,
      "Al2O3": 21.96,
      "Li2O": 3.26,
      "Na2O": 6.82,
      "K2O": 4.9,
      "MgO": 0.01,
      "CaO": 0.16,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.64
      },
      {
        "material": "spodumene",
        "amount": 38.04
      },
      {
        "material": "soda ash",
        "amount": 10.01
      },
      {
        "material": "ep kaolin",
        "amount": 6.31
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27461",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.41,
      "Al2O3": 24.2,
      "Li2O": 2.16,
      "Na2O": 6.85,
      "K2O": 1.99,
      "MgO": 0.09,
      "CaO": 0.64,
      "P2O5": 0.01,
      "TiO2": 0.29,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 30.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "soda ash",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27462",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.43,
      "Al2O3": 25.68,
      "Li2O": 1.29,
      "Na2O": 8.21,
      "K2O": 2.37,
      "MgO": 0.11,
      "CaO": 0.4,
      "P2O5": 0.03,
      "TiO2": 0.2,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "soda feldspar",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27463",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.48,
      "Al2O3": 28.71,
      "Li2O": 2.64,
      "Na2O": 5.13,
      "K2O": 2.39,
      "MgO": 0.48,
      "CaO": 0.4,
      "ZrO2": 3.57,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.93
      },
      {
        "material": "spodumene",
        "amount": 34.83
      },
      {
        "material": "alumina hydrate",
        "amount": 11.24
      },
      {
        "material": "zircopax",
        "amount": 5.62
      },
      {
        "material": "bentonite",
        "amount": 4.49
      },
      {
        "material": "epsom salts",
        "amount": 2.25
      },
      {
        "material": "total",
        "amount": 112.36
      }
    ]
  },
  {
    "id": "27464",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.29,
      "Al2O3": 15.03,
      "Na2O": 0.91,
      "K2O": 3.07,
      "MgO": 3.63,
      "CaO": 6.47,
      "P2O5": 0.07,
      "TiO2": 4.81,
      "Fe2O3": 0.75,
      "ZnO": 4.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.48
      },
      {
        "material": "ep kaolin",
        "amount": 25.52
      },
      {
        "material": "silica",
        "amount": 19.64
      },
      {
        "material": "talc",
        "amount": 10.8
      },
      {
        "material": "whiting",
        "amount": 10.8
      },
      {
        "material": "zinc oxide",
        "amount": 4.76
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "27465",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.23,
      "Al2O3": 25.48,
      "Li2O": 2.61,
      "Na2O": 8.58,
      "K2O": 2.14,
      "MgO": 0.1,
      "CaO": 0.36,
      "P2O5": 0.01,
      "TiO2": 0.21,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 39.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "ball clay",
        "amount": 17.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "27467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.39,
      "Al2O3": 24.19,
      "Na2O": 0.92,
      "K2O": 3.61,
      "MgO": 0.22,
      "CaO": 0.16,
      "TiO2": 0.01,
      "Fe2O3": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 50.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "27470",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.92,
      "Al2O3": 26.31,
      "Na2O": 0.48,
      "K2O": 1.88,
      "MgO": 1.49,
      "CaO": 0.21,
      "P2O5": 0.02,
      "TiO2": 1.49,
      "Fe2O3": 4.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 30.5
      },
      {
        "material": "ball clay",
        "amount": 20.4
      },
      {
        "material": "grog",
        "amount": 10.2
      },
      {
        "material": "redart",
        "amount": 6.1
      },
      {
        "material": "custer feldspar",
        "amount": 3.6
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 74.9
      }
    ]
  },
  {
    "id": "27471",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.71,
      "Al2O3": 29.33,
      "Na2O": 0.53,
      "K2O": 1.81,
      "MgO": 0.57,
      "CaO": 0.28,
      "P2O5": 0.07,
      "TiO2": 1.37,
      "Fe2O3": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "newman red clay",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "27472",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.56,
      "Al2O3": 22.87,
      "Na2O": 0.56,
      "K2O": 3.05,
      "MgO": 0.52,
      "CaO": 0.2,
      "P2O5": 0.04,
      "TiO2": 1.37,
      "MnO": 1.61,
      "Fe2O3": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 35.0
      },
      {
        "material": "fireclay",
        "amount": 22.0
      },
      {
        "material": "redart",
        "amount": 15.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "barnard slip",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "27476",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.18,
      "Al2O3": 10.52,
      "Na2O": 0.03,
      "K2O": 6.53,
      "MgO": 2.79,
      "CaO": 11.58,
      "BaO": 14.03,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "CuO": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 35.09
      },
      {
        "material": "barium carbonate",
        "amount": 16.53
      },
      {
        "material": "wollastonite",
        "amount": 14.6
      },
      {
        "material": "silica",
        "amount": 13.28
      },
      {
        "material": "dolomite",
        "amount": 11.56
      },
      {
        "material": "ep kaolin",
        "amount": 8.12
      },
      {
        "material": "bentonite",
        "amount": 0.83
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "27509",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.6,
      "Al2O3": 7.2,
      "B2O3": 4.75,
      "Na2O": 7.53,
      "K2O": 0.02,
      "MgO": 1.38,
      "CaO": 8.0,
      "SrO": 0.03,
      "BaO": 1.33,
      "TiO2": 1.83,
      "FeO": 0.02,
      "Fe2O3": 0.27,
      "CuO": 1.96,
      "ZnO": 4.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "27629",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.54,
      "Al2O3": 8.24,
      "B2O3": 2.95,
      "Na2O": 3.23,
      "K2O": 1.29,
      "MgO": 0.08,
      "CaO": 3.79,
      "BaO": 14.67,
      "P2O5": 0.68,
      "TiO2": 0.0,
      "Fe2O3": 2.05,
      "ZnO": 2.49,
      "SnO2": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "minspar 200",
        "amount": 28.0
      },
      {
        "material": "barium carbonate",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 101.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "27670",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.88,
      "Al2O3": 10.9,
      "B2O3": 2.6,
      "Na2O": 0.4,
      "K2O": 6.67,
      "MgO": 0.35,
      "CaO": 1.9,
      "BaO": 15.09,
      "P2O5": 0.04,
      "TiO2": 6.26,
      "FeO": 1.45,
      "Fe2O3": 0.62,
      "CuO": 3.23,
      "ZnO": 9.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 38.1
      },
      {
        "material": "barium carbonate",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.6
      },
      {
        "material": "gerstley borate",
        "amount": 9.5
      },
      {
        "material": "silica",
        "amount": 9.5
      },
      {
        "material": "zinc oxide",
        "amount": 9.4
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "copper carbonate",
        "amount": 4.9
      },
      {
        "material": "ilmenite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "27695",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.97,
      "Al2O3": 11.6,
      "B2O3": 13.18,
      "Na2O": 4.98,
      "K2O": 0.12,
      "MgO": 0.05,
      "CaO": 7.0,
      "SrO": 11.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 40.0
      },
      {
        "material": "calcium borate frit",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "27726",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.72,
      "Al2O3": 18.34,
      "Na2O": 1.73,
      "K2O": 5.8,
      "MgO": 0.02,
      "CaO": 11.89,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.23,
      "CuO": 2.84,
      "ZnO": 9.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.82
      },
      {
        "material": "ep kaolin",
        "amount": 20.91
      },
      {
        "material": "whiting",
        "amount": 18.86
      },
      {
        "material": "zinc oxide",
        "amount": 8.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "27786",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.56,
      "Al2O3": 15.43,
      "Li2O": 0.17,
      "Na2O": 1.15,
      "K2O": 0.54,
      "MgO": 1.27,
      "CaO": 13.73,
      "BaO": 1.81,
      "P2O5": 1.98,
      "Fe2O3": 11.77,
      "CuO": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 31.1
      },
      {
        "material": "silica",
        "amount": 26.6
      },
      {
        "material": "whiting",
        "amount": 19.4
      },
      {
        "material": "nepheline syenite",
        "amount": 11.6
      },
      {
        "material": "bone ash",
        "amount": 4.6
      },
      {
        "material": "talc",
        "amount": 3.9
      },
      {
        "material": "barium carbonate",
        "amount": 2.3
      },
      {
        "material": "lithium carbonate",
        "amount": 0.4
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 12.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "27788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.11,
      "Al2O3": 16.67,
      "Li2O": 1.96,
      "Na2O": 1.97,
      "K2O": 0.92,
      "MgO": 0.02,
      "CaO": 11.41,
      "Fe2O3": 9.96,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 28.5
      },
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "nepheline syenite",
        "amount": 19.2
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "lithium carbonate",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "27789",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.11,
      "Al2O3": 16.67,
      "Li2O": 1.96,
      "Na2O": 1.97,
      "K2O": 0.92,
      "MgO": 0.02,
      "CaO": 11.41,
      "Fe2O3": 9.96,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 28.5
      },
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "nepheline syenite",
        "amount": 19.2
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "lithium carbonate",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "27798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.2,
      "Al2O3": 16.29,
      "Li2O": 2.41,
      "Na2O": 2.51,
      "K2O": 1.17,
      "MgO": 0.07,
      "CaO": 14.21,
      "Fe2O3": 10.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 23.6
      },
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 23.6
      },
      {
        "material": "lithium carbonate",
        "amount": 5.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "27799",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.67,
      "Al2O3": 16.13,
      "Li2O": 2.39,
      "Na2O": 2.49,
      "K2O": 1.16,
      "MgO": 0.07,
      "CaO": 14.07,
      "Fe2O3": 10.05,
      "CoO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 23.6
      },
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 23.6
      },
      {
        "material": "lithium carbonate",
        "amount": 5.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "27920",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.8,
      "Al2O3": 10.41,
      "Na2O": 1.28,
      "K2O": 4.09,
      "MgO": 2.29,
      "CaO": 9.03,
      "TiO2": 0.14,
      "Fe2O3": 8.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.94
      },
      {
        "material": "silica",
        "amount": 22.46
      },
      {
        "material": "whiting",
        "amount": 14.38
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.78
      },
      {
        "material": "red iron oxide",
        "amount": 8.36
      },
      {
        "material": "talc",
        "amount": 6.29
      },
      {
        "material": "bentonite",
        "amount": 1.8
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "27930",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.45,
      "Al2O3": 16.14,
      "Li2O": 1.16,
      "Na2O": 6.03,
      "K2O": 2.89,
      "MgO": 0.09,
      "CaO": 0.45,
      "BaO": 21.99,
      "TiO2": 0.08,
      "Fe2O3": 0.13,
      "CuO": 2.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.58
      },
      {
        "material": "barium carbonate",
        "amount": 25.65
      },
      {
        "material": "silica",
        "amount": 6.84
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.99
      },
      {
        "material": "copper carbonate",
        "amount": 2.9
      },
      {
        "material": "lithium carbonate",
        "amount": 2.57
      },
      {
        "material": "black copper oxide",
        "amount": 0.48
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "27933",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.14,
      "Al2O3": 9.93,
      "B2O3": 3.29,
      "Na2O": 1.63,
      "K2O": 3.86,
      "MgO": 1.96,
      "CaO": 6.9,
      "BaO": 7.71,
      "P2O5": 0.04,
      "TiO2": 4.86,
      "Fe2O3": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.52
      },
      {
        "material": "silica",
        "amount": 24.24
      },
      {
        "material": "gerstley borate",
        "amount": 10.89
      },
      {
        "material": "barium carbonate",
        "amount": 8.81
      },
      {
        "material": "ep kaolin",
        "amount": 8.05
      },
      {
        "material": "dolomite",
        "amount": 6.15
      },
      {
        "material": "rutile",
        "amount": 4.75
      },
      {
        "material": "whiting",
        "amount": 3.6
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "27955",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "27956",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "27988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.71,
      "Al2O3": 10.55,
      "B2O3": 3.54,
      "Na2O": 4.38,
      "K2O": 1.84,
      "MgO": 0.08,
      "CaO": 12.11,
      "P2O5": 0.24,
      "TiO2": 0.0,
      "Fe2O3": 1.15,
      "CuO": 0.27,
      "ZnO": 3.11,
      "SnO2": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.9
      }
    ]
  },
  {
    "id": "28084",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.14,
      "Al2O3": 18.03,
      "B2O3": 4.01,
      "Na2O": 4.0,
      "K2O": 1.14,
      "MgO": 0.04,
      "CaO": 10.81,
      "SrO": 12.34,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 29.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
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    "id": "28104",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.22,
      "Al2O3": 14.32,
      "Li2O": 0.89,
      "Na2O": 5.17,
      "K2O": 2.47,
      "MgO": 0.12,
      "CaO": 0.41,
      "BaO": 31.13,
      "TiO2": 0.07,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "barium carbonate",
        "amount": 36.6
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "ball clay",
        "amount": 6.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "28182",
    "chemical_composition": {
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      "SiO2": 59.44,
      "Al2O3": 10.75,
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      "Na2O": 2.53,
      "K2O": 2.45,
      "MgO": 1.49,
      "CaO": 12.18,
      "P2O5": 5.11,
      "TiO2": 0.25,
      "Fe2O3": 1.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red clay",
        "amount": 25.0
      },
      {
        "material": "bone ash",
        "amount": 16.0
      },
      {
        "material": "total",
        "amount": 141.0
      }
    ]
  },
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    "id": "28222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.02,
      "Al2O3": 15.4,
      "Na2O": 1.66,
      "K2O": 5.54,
      "MgO": 0.02,
      "CaO": 11.5,
      "P2O5": 0.04,
      "TiO2": 9.03,
      "Fe2O3": 5.85,
      "ZnO": 5.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.2
      },
      {
        "material": "whiting",
        "amount": 18.8
      },
      {
        "material": "ep kaolin",
        "amount": 15.15
      },
      {
        "material": "rutile",
        "amount": 9.3
      },
      {
        "material": "zinc oxide",
        "amount": 5.55
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.6
      },
      {
        "material": "total",
        "amount": 104.6
      }
    ]
  },
  {
    "id": "28238",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.05,
      "Al2O3": 12.35,
      "B2O3": 3.46,
      "Na2O": 1.55,
      "K2O": 3.94,
      "MgO": 5.33,
      "CaO": 14.32,
      "P2O5": 0.05,
      "TiO2": 5.03,
      "Fe2O3": 0.7,
      "CuO": 2.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 20.77
      },
      {
        "material": "ep kaolin",
        "amount": 19.12
      },
      {
        "material": "silica",
        "amount": 17.92
      },
      {
        "material": "dolomite",
        "amount": 13.79
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.79
      },
      {
        "material": "whiting",
        "amount": 10.85
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.77
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.01
      }
    ]
  },
  {
    "id": "28239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.44,
      "Al2O3": 15.31,
      "B2O3": 2.06,
      "Li2O": 2.82,
      "Na2O": 3.65,
      "K2O": 1.34,
      "MgO": 0.1,
      "CaO": 16.55,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 5.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 24.2
      },
      {
        "material": "whiting",
        "amount": 23.2
      },
      {
        "material": "ep kaolin",
        "amount": 20.1
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.1
      },
      {
        "material": "lithium carbonate",
        "amount": 6.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "28291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.4,
      "Al2O3": 11.21,
      "B2O3": 0.37,
      "Na2O": 2.0,
      "K2O": 4.09,
      "MgO": 3.36,
      "CaO": 5.63,
      "P2O5": 0.05,
      "TiO2": 1.95,
      "Fe2O3": 8.18,
      "CoO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.16
      },
      {
        "material": "potash feldspar",
        "amount": 25.32
      },
      {
        "material": "ep kaolin",
        "amount": 19.4
      },
      {
        "material": "talc",
        "amount": 11.15
      },
      {
        "material": "wollastonite",
        "amount": 9.7
      },
      {
        "material": "soda ash",
        "amount": 3.88
      },
      {
        "material": "ferro frit 3134",
        "amount": 1.75
      },
      {
        "material": "whiting",
        "amount": 1.65
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.01
      }
    ]
  },
  {
    "id": "28293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.2,
      "Al2O3": 11.34,
      "B2O3": 2.92,
      "Na2O": 1.36,
      "K2O": 5.02,
      "MgO": 3.04,
      "CaO": 12.44,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CoO": 5.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 28.2
      },
      {
        "material": "ep kaolin",
        "amount": 15.7
      },
      {
        "material": "dolomite",
        "amount": 14.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 11.2
      },
      {
        "material": "total base recipe",
        "amount": 116.0
      },
      {
        "material": "cobalt oxide",
        "amount": 6.36
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 124.36
      }
    ]
  },
  {
    "id": "28296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.17,
      "Al2O3": 13.76,
      "B2O3": 3.4,
      "Na2O": 1.57,
      "K2O": 9.79,
      "MgO": 0.43,
      "CaO": 8.27,
      "P2O5": 0.02,
      "TiO2": 3.28,
      "Fe2O3": 0.47,
      "CuO": 0.47,
      "SnO2": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 63.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.5
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "silica",
        "amount": 9.8
      },
      {
        "material": "ep kaolin",
        "amount": 7.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.9
      },
      {
        "material": "total base recipe",
        "amount": 108.9
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "28347",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.66,
      "Al2O3": 19.89,
      "B2O3": 2.45,
      "Li2O": 2.7,
      "Na2O": 3.85,
      "K2O": 2.43,
      "MgO": 0.02,
      "CaO": 6.36,
      "SrO": 0.01,
      "BaO": 0.69,
      "P2O5": 0.04,
      "TiO2": 5.01,
      "FeO": 0.01,
      "Fe2O3": 0.17,
      "CuO": 3.19,
      "ZnO": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 29.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "28378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.31,
      "Al2O3": 14.03,
      "Li2O": 0.87,
      "Na2O": 5.07,
      "K2O": 2.42,
      "MgO": 0.12,
      "CaO": 0.4,
      "BaO": 30.5,
      "TiO2": 0.07,
      "Fe2O3": 0.2,
      "CoO": 2.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.3
      },
      {
        "material": "barium carbonate",
        "amount": 36.6
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "ball clay",
        "amount": 6.6
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "28407",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.49,
      "Al2O3": 21.93,
      "B2O3": 7.82,
      "Na2O": 3.75,
      "K2O": 0.59,
      "MgO": 0.18,
      "CaO": 8.19,
      "P2O5": 0.06,
      "TiO2": 0.46,
      "Fe2O3": 0.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 55.0
      },
      {
        "material": "ep kaolin",
        "amount": 22.5
      },
      {
        "material": "tennessee ball clay",
        "amount": 22.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "28408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.38,
      "Al2O3": 20.56,
      "B2O3": 8.48,
      "Na2O": 4.04,
      "K2O": 0.6,
      "MgO": 0.17,
      "CaO": 8.84,
      "P2O5": 0.05,
      "TiO2": 0.41,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "28409",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.27,
      "Al2O3": 19.2,
      "B2O3": 9.12,
      "Na2O": 4.32,
      "K2O": 0.61,
      "MgO": 0.15,
      "CaO": 9.48,
      "P2O5": 0.05,
      "TiO2": 0.35,
      "Fe2O3": 0.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "tennessee ball clay",
        "amount": 17.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "28412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.53,
      "Al2O3": 19.16,
      "B2O3": 4.29,
      "Na2O": 4.56,
      "K2O": 1.04,
      "MgO": 0.19,
      "CaO": 5.16,
      "P2O5": 0.06,
      "TiO2": 0.43,
      "Fe2O3": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 17.0
      },
      {
        "material": "salt lick",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "grog",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "28423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.26,
      "Al2O3": 15.78,
      "B2O3": 3.98,
      "Na2O": 5.41,
      "MgO": 19.17,
      "CaO": 2.88,
      "ZnO": 6.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "magnesium carbonate",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 29.0
      },
      {
        "material": "kaolin",
        "amount": 18.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.6
      },
      {
        "material": "talc",
        "amount": 7.6
      },
      {
        "material": "ferro frit 3195",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.7
      },
      {
        "material": "total",
        "amount": 105.7
      }
    ]
  },
  {
    "id": "28426",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.43,
      "Al2O3": 9.78,
      "B2O3": 4.67,
      "Na2O": 2.8,
      "K2O": 2.23,
      "MgO": 4.58,
      "CaO": 10.36,
      "P2O5": 0.0,
      "TiO2": 0.34,
      "MnO2": 2.67,
      "Fe2O3": 5.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c & c ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "custer feldspar (1989)",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "28447",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.09,
      "Al2O3": 2.68,
      "B2O3": 1.2,
      "Li2O": 0.29,
      "Na2O": 6.94,
      "K2O": 1.07,
      "MgO": 1.16,
      "CaO": 2.86,
      "TiO2": 5.03,
      "FeO": 0.43,
      "CuO": 5.46,
      "ZnO": 22.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 4.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "black copper oxide",
        "amount": 6.0
      },
      {
        "material": "ilmenite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "28494",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 32.66,
      "Al2O3": 9.16,
      "K2O": 6.44,
      "BaO": 33.79,
      "NiO": 1.63,
      "ZnO": 16.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "feldspar",
        "amount": 35.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "28530",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 30.68,
      "Al2O3": 6.9,
      "B2O3": 12.15,
      "Na2O": 3.7,
      "K2O": 0.39,
      "MgO": 0.78,
      "CaO": 10.63,
      "P2O5": 0.02,
      "TiO2": 10.08,
      "Fe2O3": 1.2,
      "CuO": 1.12,
      "ZnO": 22.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 85.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.5
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 97.5
      }
    ]
  },
  {
    "id": "28531",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.8,
      "Al2O3": 8.83,
      "B2O3": 9.12,
      "Na2O": 4.19,
      "K2O": 0.53,
      "MgO": 0.03,
      "CaO": 9.34,
      "TiO2": 0.1,
      "ZrO2": 13.7,
      "Fe2O3": 6.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.0
      },
      {
        "material": "zircopax",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "28572",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.78,
      "Al2O3": 11.22,
      "Na2O": 3.01,
      "K2O": 3.41,
      "CaO": 10.56,
      "Cr2O3": 0.3,
      "Fe2O3": 1.78,
      "ZnO": 9.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.1
      }
    ]
  },
  {
    "id": "28701",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.7,
      "Al2O3": 10.28,
      "Na2O": 2.63,
      "K2O": 2.32,
      "MgO": 0.01,
      "CaO": 2.96,
      "BaO": 12.24,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "NiO": 2.1,
      "ZnO": 12.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 52.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "28708",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.64,
      "Al2O3": 11.1,
      "B2O3": 5.55,
      "Na2O": 5.0,
      "K2O": 1.85,
      "MgO": 0.42,
      "CaO": 5.45,
      "P2O5": 0.05,
      "TiO2": 3.68,
      "Cr2O3": 0.0,
      "MnO": 0.02,
      "Fe2O3": 2.02,
      "CoO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "28863",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.94,
      "Al2O3": 15.92,
      "B2O3": 3.91,
      "Na2O": 3.47,
      "K2O": 0.77,
      "MgO": 0.13,
      "CaO": 15.56,
      "TiO2": 0.02,
      "Cr2O3": 0.23,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.2
      },
      {
        "material": "ehansonexp4 7",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "28898",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.2,
      "Al2O3": 14.66,
      "B2O3": 3.6,
      "Na2O": 3.2,
      "K2O": 0.71,
      "MgO": 0.12,
      "CaO": 14.33,
      "TiO2": 6.34,
      "Cr2O3": 0.21,
      "Fe2O3": 0.05,
      "ZnO": 1.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 18.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "28968",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.86,
      "Al2O3": 20.67,
      "B2O3": 2.73,
      "Na2O": 8.95,
      "K2O": 4.04,
      "MgO": 0.48,
      "CaO": 5.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 85.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "29008",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.25,
      "Al2O3": 15.09,
      "B2O3": 5.47,
      "Na2O": 1.86,
      "K2O": 0.31,
      "MgO": 0.47,
      "CaO": 16.06,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "MnO": 0.03,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "vansil w-20 wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29031",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.64,
      "Al2O3": 10.18,
      "Na2O": 4.78,
      "K2O": 0.02,
      "MgO": 4.84,
      "CaO": 9.04,
      "P2O5": 4.21,
      "TiO2": 0.02,
      "Fe2O3": 10.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 41.72
      },
      {
        "material": "silica",
        "amount": 22.25
      },
      {
        "material": "bone ash",
        "amount": 10.23
      },
      {
        "material": "talc",
        "amount": 7.34
      },
      {
        "material": "ep kaolin",
        "amount": 6.45
      },
      {
        "material": "whiting",
        "amount": 6.45
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.56
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.12
      },
      {
        "material": "total",
        "amount": 111.12
      }
    ]
  },
  {
    "id": "29077",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 10.1,
      "B2O3": 5.64,
      "Na2O": 3.15,
      "K2O": 2.15,
      "MgO": 1.53,
      "CaO": 7.06,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.28,
      "CoO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "29079",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.07,
      "Al2O3": 10.65,
      "B2O3": 4.63,
      "Na2O": 2.74,
      "K2O": 2.29,
      "MgO": 1.64,
      "CaO": 6.34,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Fe2O3": 8.32,
      "CoO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.66
      },
      {
        "material": "custer feldspar",
        "amount": 23.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.28
      },
      {
        "material": "ep kaolin",
        "amount": 18.09
      },
      {
        "material": "talc",
        "amount": 5.32
      },
      {
        "material": "whiting",
        "amount": 4.26
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "29080",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.53,
      "Al2O3": 13.31,
      "Na2O": 3.18,
      "K2O": 2.04,
      "MgO": 1.04,
      "CaO": 8.25,
      "SrO": 6.44,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "CoO": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 43.89
      },
      {
        "material": "silica",
        "amount": 22.41
      },
      {
        "material": "whiting",
        "amount": 12.08
      },
      {
        "material": "ep kaolin",
        "amount": 10.38
      },
      {
        "material": "strontium carbonate",
        "amount": 8.3
      },
      {
        "material": "talc",
        "amount": 2.91
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.04
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "29098",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.7,
      "Al2O3": 9.96,
      "B2O3": 1.42,
      "Na2O": 2.79,
      "K2O": 2.17,
      "MgO": 0.31,
      "CaO": 4.63,
      "BaO": 15.31,
      "TiO2": 0.05,
      "MnO": 0.01,
      "Fe2O3": 1.12,
      "ZnO": 1.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hess pumice",
        "amount": 48.0
      },
      {
        "material": "barium carbonate",
        "amount": 19.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "29131",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 9.25,
      "Na2O": 0.06,
      "K2O": 6.54,
      "MgO": 0.04,
      "CaO": 8.49,
      "Cr2O3": 1.9,
      "FeO": 0.5,
      "Fe2O3": 1.32,
      "CoO": 1.78,
      "ZnO": 11.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.5
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "wollastonite",
        "amount": 16.1
      },
      {
        "material": "zinc oxide",
        "amount": 11.6
      },
      {
        "material": "kaolin",
        "amount": 4.7
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "29132",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.2,
      "Al2O3": 6.62,
      "B2O3": 27.88,
      "CaO": 14.98,
      "TiO2": 0.99,
      "Fe2O3": 0.11,
      "CoO": 1.02,
      "CuO": 2.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "colemanite",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "29133",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.5,
      "Al2O3": 13.3,
      "Li2O": 5.87,
      "Na2O": 0.03,
      "K2O": 10.12,
      "MgO": 0.02,
      "CaO": 4.8,
      "V2O5": 5.33,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 17.5
      },
      {
        "material": "lithium carbonate",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "vanadium pentoxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "29135",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.66,
      "Al2O3": 11.78,
      "Na2O": 2.79,
      "K2O": 3.16,
      "CaO": 9.64,
      "Cr2O3": 0.2,
      "Fe2O3": 1.78,
      "ZnO": 9.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "29159",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.66,
      "Al2O3": 10.98,
      "B2O3": 2.56,
      "Na2O": 2.46,
      "K2O": 5.17,
      "MgO": 1.63,
      "CaO": 8.41,
      "TiO2": 4.02,
      "Fe2O3": 0.11,
      "CuO": 0.53,
      "ZnO": 4.5,
      "SnO2": 2.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspat kali k2/75 jäger",
        "amount": 48.8
      },
      {
        "material": "ferro frit 3124",
        "amount": 21.5
      },
      {
        "material": "silica",
        "amount": 19.3
      },
      {
        "material": "dolomite",
        "amount": 8.4
      },
      {
        "material": "whiting",
        "amount": 6.8
      },
      {
        "material": "zinc oxide",
        "amount": 5.2
      },
      {
        "material": "kaolin 233/ jäger",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 112.7
      },
      {
        "material": "titanium dioxide",
        "amount": 4.63
      },
      {
        "material": "tin oxide",
        "amount": 3.42
      },
      {
        "material": "bentonite",
        "amount": 2.24
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 123.94
      }
    ]
  },
  {
    "id": "29161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.38,
      "Al2O3": 19.44,
      "Na2O": 3.83,
      "K2O": 6.3,
      "MgO": 5.95,
      "CaO": 9.85,
      "P2O5": 2.3,
      "TiO2": 0.11,
      "MnO": 0.35,
      "Fe2O3": 16.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "hardwood ash",
        "amount": 16.0
      },
      {
        "material": "total",
        "amount": 136.0
      }
    ]
  },
  {
    "id": "29162",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.39,
      "Al2O3": 7.79,
      "B2O3": 9.15,
      "Na2O": 3.64,
      "K2O": 1.22,
      "MgO": 1.22,
      "CaO": 6.8,
      "SrO": 4.64,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "CuO": 2.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "gerstley borate",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "29171",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.93,
      "Al2O3": 8.13,
      "B2O3": 4.54,
      "Na2O": 2.53,
      "K2O": 1.73,
      "MgO": 1.23,
      "CaO": 12.95,
      "P2O5": 5.23,
      "TiO2": 0.05,
      "Fe2O3": 14.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 16.0
      },
      {
        "material": "total",
        "amount": 137.0
      }
    ]
  },
  {
    "id": "29174",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.39,
      "Al2O3": 12.53,
      "B2O3": 0.88,
      "Li2O": 0.48,
      "Na2O": 2.32,
      "K2O": 2.87,
      "MgO": 1.88,
      "CaO": 9.05,
      "P2O5": 0.0,
      "TiO2": 0.1,
      "Fe2O3": 10.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 61.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "spodumene",
        "amount": 5.5
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.73,
      "Al2O3": 12.6,
      "Na2O": 1.97,
      "K2O": 11.09,
      "MgO": 6.8,
      "CaO": 5.24,
      "P2O5": 3.38,
      "TiO2": 0.1,
      "MnO": 0.54,
      "Fe2O3": 0.89,
      "CuO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "hardwood ash",
        "amount": 20.0
      },
      {
        "material": "peddie clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "29218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.69,
      "Al2O3": 7.91,
      "B2O3": 1.3,
      "Li2O": 0.85,
      "Na2O": 8.6,
      "K2O": 1.86,
      "MgO": 0.05,
      "CaO": 6.9,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.14,
      "CuO": 0.51,
      "ZnO": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "29241",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.47,
      "Al2O3": 17.75,
      "Li2O": 1.5,
      "K2O": 3.65,
      "CaO": 12.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lepidolite",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.32,
      "Al2O3": 14.82,
      "B2O3": 14.01,
      "Li2O": 4.33,
      "CaO": 7.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 51.0
      },
      {
        "material": "colemanite",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.8,
      "Al2O3": 15.88,
      "B2O3": 12.28,
      "Li2O": 4.11,
      "CaO": 9.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 51.0
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29252",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.89,
      "Al2O3": 12.64,
      "B2O3": 8.5,
      "Li2O": 3.32,
      "CaO": 14.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29273",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.65,
      "Al2O3": 9.18,
      "B2O3": 7.0,
      "Na2O": 3.21,
      "K2O": 0.31,
      "MgO": 4.16,
      "CaO": 11.7,
      "TiO2": 0.37,
      "Fe2O3": 0.34,
      "CoO": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 27.78
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 27.78
      },
      {
        "material": "silica",
        "amount": 27.78
      },
      {
        "material": "dolomite",
        "amount": 16.67
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
  {
    "id": "29281",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.56,
      "Al2O3": 9.87,
      "B2O3": 0.44,
      "Na2O": 2.88,
      "K2O": 1.47,
      "MgO": 0.02,
      "CaO": 1.12,
      "BaO": 7.18,
      "P2O5": 0.05,
      "TiO2": 5.12,
      "Fe2O3": 0.16,
      "NiO": 1.85,
      "ZnO": 14.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "barium carbonate",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.2
      },
      {
        "material": "total",
        "amount": 125.2
      }
    ]
  },
  {
    "id": "29293",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.04,
      "Al2O3": 10.41,
      "Na2O": 1.2,
      "K2O": 2.42,
      "MgO": 1.92,
      "CaO": 5.24,
      "P2O5": 3.86,
      "TiO2": 0.29,
      "Fe2O3": 8.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 36.0
      },
      {
        "material": "c-red clay testing",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "29298",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.69,
      "Al2O3": 9.7,
      "B2O3": 0.02,
      "Na2O": 1.11,
      "K2O": 6.81,
      "MgO": 1.23,
      "CaO": 10.59,
      "P2O5": 6.21,
      "TiO2": 0.4,
      "Fe2O3": 16.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 37.74
      },
      {
        "material": "red oak ash testing",
        "amount": 28.3
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 20.75
      },
      {
        "material": "silica",
        "amount": 13.21
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 16.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 131.0
      }
    ]
  },
  {
    "id": "29317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.75,
      "Al2O3": 22.82,
      "B2O3": 0.99,
      "Na2O": 5.75,
      "K2O": 0.88,
      "MgO": 0.23,
      "CaO": 2.52,
      "TiO2": 0.79,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "29319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 11.03,
      "B2O3": 2.12,
      "Na2O": 2.48,
      "K2O": 5.06,
      "MgO": 3.56,
      "CaO": 9.58,
      "P2O5": 0.01,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CuO": 0.53,
      "ZnO": 4.61,
      "SnO2": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 15.5
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "ep kaolin",
        "amount": 5.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.5
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 3.6
      },
      {
        "material": "total base recipe",
        "amount": 105.2
      },
      {
        "material": "tin oxide",
        "amount": 1.2
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 108.2
      }
    ]
  },
  {
    "id": "29467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.32,
      "Al2O3": 9.42,
      "B2O3": 2.94,
      "Na2O": 4.39,
      "K2O": 1.91,
      "MgO": 0.25,
      "CaO": 10.1,
      "P2O5": 0.91,
      "MnO": 0.01,
      "Fe2O3": 0.16,
      "CuO": 0.64,
      "ZnO": 2.97,
      "SnO2": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "29472",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.49,
      "Al2O3": 11.11,
      "B2O3": 4.04,
      "Li2O": 1.32,
      "Na2O": 2.36,
      "K2O": 2.42,
      "MgO": 0.59,
      "CaO": 14.06,
      "SrO": 0.09,
      "BaO": 0.06,
      "P2O5": 0.01,
      "TiO2": 6.53,
      "Fe2O3": 0.22,
      "CuO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nephelin syenite (sepctrum n, minerco)",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "kaolin (wbh,minerco)",
        "amount": 14.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "29488",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.67,
      "Al2O3": 15.27,
      "B2O3": 16.95,
      "Na2O": 5.6,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 10.97,
      "P2O5": 0.06,
      "TiO2": 3.68,
      "Fe2O3": 0.58,
      "CoO": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 45.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.16
      },
      {
        "material": "total",
        "amount": 104.16
      }
    ]
  },
  {
    "id": "29489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.17,
      "Al2O3": 1.91,
      "B2O3": 1.36,
      "Li2O": 1.23,
      "Na2O": 7.86,
      "K2O": 1.22,
      "MgO": 1.12,
      "CaO": 4.8,
      "ZnO": 25.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 49.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.3
      },
      {
        "material": "silica",
        "amount": 18.4
      },
      {
        "material": "dolomite",
        "amount": 4.9
      },
      {
        "material": "lithium carbonate",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29494",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.69,
      "Al2O3": 7.08,
      "Na2O": 6.08,
      "K2O": 0.07,
      "MgO": 0.02,
      "CaO": 3.9,
      "P2O5": 0.05,
      "TiO2": 5.02,
      "Fe2O3": 0.69,
      "CuO": 2.12,
      "ZnO": 22.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.1
      },
      {
        "material": "zinc oxide",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 17.25
      },
      {
        "material": "soda ash",
        "amount": 11.06
      },
      {
        "material": "whiting",
        "amount": 6.28
      },
      {
        "material": "rutile",
        "amount": 5.01
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "29495",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.24,
      "Al2O3": 14.48,
      "B2O3": 16.07,
      "Na2O": 5.31,
      "K2O": 0.08,
      "MgO": 0.02,
      "CaO": 10.4,
      "SrO": 5.3,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "NiO": 3.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 45.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "black nickel oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "29510",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.67,
      "Al2O3": 15.27,
      "B2O3": 16.95,
      "Li2O": 0.81,
      "Na2O": 5.6,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 10.97,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "CuO": 1.28,
      "SnO2": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 45.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "29511",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.05,
      "Al2O3": 9.84,
      "Na2O": 2.75,
      "K2O": 1.74,
      "MgO": 0.03,
      "CaO": 9.19,
      "P2O5": 0.01,
      "TiO2": 5.1,
      "Fe2O3": 0.1,
      "ZnO": 12.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "29517",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.03,
      "Al2O3": 0.53,
      "B2O3": 14.15,
      "Na2O": 2.11,
      "K2O": 0.21,
      "MgO": 6.32,
      "CaO": 10.24,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "Fe2O3": 20.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 54.9
      },
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "red iron oxide",
        "amount": 22.0
      },
      {
        "material": "talc",
        "amount": 14.6
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "29519",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.05,
      "Al2O3": 13.39,
      "B2O3": 3.21,
      "Na2O": 4.14,
      "K2O": 1.21,
      "MgO": 0.18,
      "CaO": 15.71,
      "TiO2": 0.03,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 25.5
      },
      {
        "material": "kaolin",
        "amount": 21.5
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29559",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.04,
      "Al2O3": 20.83,
      "B2O3": 0.84,
      "Na2O": 4.92,
      "K2O": 1.76,
      "MgO": 0.16,
      "CaO": 2.06,
      "TiO2": 0.02,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "veegum t",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "29561",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.75,
      "Al2O3": 22.82,
      "B2O3": 0.99,
      "Na2O": 5.75,
      "K2O": 0.88,
      "MgO": 0.23,
      "CaO": 2.52,
      "TiO2": 0.79,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 60.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "29574",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.56,
      "Al2O3": 11.42,
      "B2O3": 10.16,
      "Na2O": 4.68,
      "K2O": 0.65,
      "MgO": 0.06,
      "CaO": 10.43,
      "TiO2": 3.54,
      "ZrO2": 3.3,
      "Fe2O3": 0.53,
      "SnO2": 4.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 78.95
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.79
      },
      {
        "material": "zircopax",
        "amount": 5.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "29615",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.42,
      "Al2O3": 13.93,
      "Na2O": 1.12,
      "K2O": 4.06,
      "MgO": 1.26,
      "CaO": 9.78,
      "P2O5": 0.93,
      "TiO2": 0.01,
      "Fe2O3": 1.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 101.25
      }
    ]
  },
  {
    "id": "29616",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.83,
      "Al2O3": 13.8,
      "Na2O": 1.11,
      "K2O": 4.03,
      "MgO": 1.25,
      "CaO": 9.7,
      "P2O5": 0.92,
      "TiO2": 0.01,
      "Fe2O3": 0.18,
      "Nd2O3": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "neodymium oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "29657",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.93,
      "Al2O3": 11.57,
      "B2O3": 4.68,
      "Na2O": 2.71,
      "K2O": 2.12,
      "MgO": 0.02,
      "CaO": 14.01,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "29704",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.79,
      "Al2O3": 9.13,
      "B2O3": 3.41,
      "Na2O": 3.32,
      "K2O": 1.94,
      "MgO": 0.4,
      "CaO": 9.34,
      "P2O5": 0.23,
      "TiO2": 0.05,
      "MnO": 0.01,
      "Fe2O3": 1.12,
      "CuO": 0.26,
      "ZnO": 3.0,
      "SnO2": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hess pumice",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 12.5
      },
      {
        "material": "minspar 200",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.4
      }
    ]
  },
  {
    "id": "29721",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.02,
      "Al2O3": 11.88,
      "B2O3": 6.18,
      "Na2O": 2.75,
      "K2O": 3.88,
      "MgO": 1.66,
      "CaO": 7.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29746",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.64,
      "Al2O3": 11.96,
      "B2O3": 3.76,
      "Na2O": 3.04,
      "K2O": 4.39,
      "MgO": 0.05,
      "CaO": 9.17,
      "BaO": 4.0,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.19,
      "CuO": 0.66,
      "SnO2": 2.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "29835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.92,
      "Al2O3": 10.82,
      "Na2O": 1.45,
      "K2O": 5.67,
      "MgO": 0.09,
      "CaO": 4.29,
      "BaO": 29.15,
      "TiO2": 0.0,
      "Fe2O3": 0.08,
      "CuO": 5.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 8.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 45.0
      },
      {
        "material": "barium carbonate",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "29837",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.65,
      "Al2O3": 14.49,
      "Na2O": 1.89,
      "K2O": 6.34,
      "MgO": 2.4,
      "CaO": 8.45,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "ZrO2": 5.45,
      "Fe2O3": 0.18,
      "ZnO": 6.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "29841",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.22,
      "Al2O3": 12.73,
      "B2O3": 1.38,
      "Na2O": 1.97,
      "K2O": 4.58,
      "MgO": 2.96,
      "CaO": 11.89,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29842",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.01,
      "Al2O3": 17.89,
      "Li2O": 1.97,
      "Na2O": 6.8,
      "K2O": 3.23,
      "MgO": 0.09,
      "CaO": 0.3,
      "BaO": 18.4,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 58.8
      },
      {
        "material": "barium carbonate",
        "amount": 21.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.3
      },
      {
        "material": "silica",
        "amount": 5.9
      },
      {
        "material": "lithium carbonate",
        "amount": 4.4
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 6.9
      },
      {
        "material": "total",
        "amount": 106.9
      }
    ]
  },
  {
    "id": "29843",
    "chemical_composition": {
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      "SiO2": 37.39,
      "Al2O3": 24.11,
      "Na2O": 0.45,
      "K2O": 2.44,
      "MgO": 0.18,
      "CaO": 33.31,
      "TiO2": 0.02,
      "Fe2O3": 0.43,
      "CoO": 0.83,
      "CuO": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 45.0
      },
      {
        "material": "whiting",
        "amount": 45.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.86,
      "Al2O3": 14.0,
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      "K2O": 2.26,
      "MgO": 0.02,
      "CaO": 4.31,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "ZnO": 13.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 56.6,
      "Al2O3": 11.2,
      "B2O3": 2.5,
      "Na2O": 0.81,
      "K2O": 5.98,
      "MgO": 0.38,
      "CaO": 10.12,
      "P2O5": 0.03,
      "TiO2": 4.19,
      "Fe2O3": 0.21,
      "CoO": 0.19,
      "CuO": 0.53,
      "ZnO": 7.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "29846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.05,
      "Al2O3": 12.5,
      "B2O3": 5.63,
      "Na2O": 2.25,
      "K2O": 4.79,
      "MgO": 0.75,
      "CaO": 14.7,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.22,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
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      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "29850",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.58,
      "Al2O3": 12.64,
      "B2O3": 8.5,
      "Na2O": 5.04,
      "K2O": 1.53,
      "MgO": 0.66,
      "CaO": 8.48,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "ZnO": 5.14,
      "SnO2": 5.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "29853",
    "chemical_composition": {
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      "SiO2": 59.12,
      "Al2O3": 16.42,
      "B2O3": 0.71,
      "Li2O": 0.25,
      "Na2O": 5.72,
      "K2O": 2.64,
      "MgO": 0.05,
      "CaO": 3.85,
      "BaO": 8.01,
      "TiO2": 0.12,
      "Fe2O3": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.0
      },
      {
        "material": "petalite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "29856",
    "chemical_composition": {
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      "SiO2": 56.72,
      "Al2O3": 16.64,
      "B2O3": 3.9,
      "Na2O": 4.16,
      "K2O": 1.37,
      "MgO": 0.03,
      "CaO": 16.85,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "ehansonexp4 6",
        "amount": 1.0
      }
    ]
  },
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    "id": "29858",
    "chemical_composition": {
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      "SiO2": 52.83,
      "Al2O3": 21.0,
      "Na2O": 8.44,
      "K2O": 3.98,
      "MgO": 5.54,
      "CaO": 7.94,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 71.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29861",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.22,
      "Al2O3": 12.73,
      "B2O3": 1.38,
      "Na2O": 1.97,
      "K2O": 4.58,
      "MgO": 2.96,
      "CaO": 11.89,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "29862",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.28,
      "Al2O3": 9.51,
      "B2O3": 3.64,
      "Na2O": 3.38,
      "K2O": 1.4,
      "MgO": 3.22,
      "CaO": 9.09,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "ZnO": 2.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29863",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.76,
      "Al2O3": 16.89,
      "Na2O": 3.74,
      "K2O": 2.41,
      "MgO": 0.02,
      "CaO": 12.83,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 10.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 51.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29864",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.88,
      "Al2O3": 24.64,
      "B2O3": 17.21,
      "Na2O": 2.61,
      "K2O": 0.48,
      "MgO": 2.31,
      "CaO": 12.58,
      "P2O5": 0.23,
      "TiO2": 0.31,
      "Fe2O3": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29865",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.54,
      "Al2O3": 10.86,
      "B2O3": 13.94,
      "Na2O": 3.82,
      "K2O": 2.51,
      "MgO": 1.92,
      "CaO": 11.05,
      "P2O5": 0.05,
      "TiO2": 0.21,
      "ZrO2": 3.72,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 47.0
      },
      {
        "material": "gerstley borate",
        "amount": 47.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "29866",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 30.28,
      "Al2O3": 4.46,
      "B2O3": 6.12,
      "Na2O": 4.81,
      "K2O": 12.71,
      "MgO": 4.59,
      "CaO": 24.01,
      "P2O5": 7.82,
      "TiO2": 0.06,
      "Fe2O3": 5.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29867",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.43,
      "Al2O3": 13.41,
      "B2O3": 3.04,
      "Na2O": 5.59,
      "K2O": 2.29,
      "MgO": 0.95,
      "CaO": 13.92,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.09,
      "ZnO": 2.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29868",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.48,
      "Al2O3": 12.13,
      "B2O3": 3.34,
      "Na2O": 4.23,
      "K2O": 2.26,
      "MgO": 0.01,
      "CaO": 3.88,
      "BaO": 18.57,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "fusion frit 367",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29869",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.68,
      "Al2O3": 9.19,
      "B2O3": 3.41,
      "Li2O": 0.86,
      "Na2O": 6.34,
      "K2O": 2.06,
      "MgO": 0.45,
      "CaO": 9.15,
      "BaO": 4.12,
      "P2O5": 0.01,
      "TiO2": 4.25,
      "Fe2O3": 0.08,
      "CuO": 3.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "29870",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.81,
      "Al2O3": 11.39,
      "B2O3": 2.54,
      "Na2O": 11.79,
      "K2O": 2.1,
      "MgO": 0.01,
      "CaO": 4.19,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "29875",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.1,
      "Al2O3": 10.61,
      "B2O3": 3.7,
      "Na2O": 3.87,
      "K2O": 2.29,
      "MgO": 0.87,
      "CaO": 11.46,
      "P2O5": 0.25,
      "TiO2": 0.06,
      "Fe2O3": 1.2,
      "CuO": 0.28,
      "ZnO": 3.25,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hess pumice",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.9
      }
    ]
  },
  {
    "id": "30014",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.18,
      "Al2O3": 9.35,
      "Na2O": 1.64,
      "K2O": 5.27,
      "MgO": 0.04,
      "CaO": 7.73,
      "BaO": 3.7,
      "FeO": 0.27,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.15
      },
      {
        "material": "silica",
        "amount": 32.44
      },
      {
        "material": "whiting",
        "amount": 12.86
      },
      {
        "material": "barium carbonate",
        "amount": 4.55
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "30026",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.92,
      "Al2O3": 14.59,
      "B2O3": 9.93,
      "Na2O": 4.72,
      "K2O": 2.23,
      "MgO": 1.31,
      "CaO": 7.96,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Cr2O3": 0.25,
      "Fe2O3": 0.54,
      "CoO": 1.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.44
      },
      {
        "material": "gerstley borate",
        "amount": 33.33
      },
      {
        "material": "ep kaolin",
        "amount": 12.12
      },
      {
        "material": "silica",
        "amount": 10.1
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.49
      }
    ]
  },
  {
    "id": "30128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.0,
      "Al2O3": 14.72,
      "B2O3": 4.21,
      "Na2O": 1.94,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.42,
      "P2O5": 0.08,
      "TiO2": 5.45,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "30163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.62,
      "Al2O3": 19.49,
      "Na2O": 7.57,
      "K2O": 3.6,
      "MgO": 13.26,
      "CaO": 0.56,
      "TiO2": 0.07,
      "ZrO2": 3.7,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "mason stain #6021 dark red",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "30164",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.32,
      "Al2O3": 15.82,
      "B2O3": 4.56,
      "Na2O": 2.13,
      "K2O": 0.34,
      "MgO": 0.4,
      "CaO": 15.63,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "MnO": 0.02,
      "Fe2O3": 0.3,
      "CuO": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.7
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "mason stain #6450 praseodymium",
        "amount": 5.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 106.3
      }
    ]
  },
  {
    "id": "30165",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.68,
      "Al2O3": 13.27,
      "B2O3": 8.02,
      "Na2O": 7.03,
      "K2O": 1.66,
      "MgO": 14.05,
      "CaO": 7.13,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 3.97,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 31.6
      },
      {
        "material": "nepheline syenite",
        "amount": 31.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 26.3
      },
      {
        "material": "ep kaolin",
        "amount": 10.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6021 dark red",
        "amount": 8.4
      },
      {
        "material": "zircopax",
        "amount": 5.3
      },
      {
        "material": "total",
        "amount": 113.7
      }
    ]
  },
  {
    "id": "30170",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.02,
      "Al2O3": 8.61,
      "Na2O": 0.02,
      "K2O": 6.46,
      "MgO": 0.02,
      "CaO": 0.03,
      "BaO": 33.77,
      "TiO2": 0.09,
      "Fe2O3": 0.06,
      "NiO": 1.63,
      "ZnO": 16.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 40.0
      },
      {
        "material": "feldspar",
        "amount": 35.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "30179",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.74,
      "Al2O3": 8.81,
      "B2O3": 1.9,
      "Na2O": 1.91,
      "K2O": 3.34,
      "MgO": 0.07,
      "CaO": 9.26,
      "BaO": 10.1,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "Fe2O3": 0.19,
      "CuO": 0.35,
      "SnO2": 3.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.2
      },
      {
        "material": "custer feldspar",
        "amount": 30.1
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 12.0
      },
      {
        "material": "borax",
        "amount": 4.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.6
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "30188",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.22,
      "Al2O3": 11.39,
      "Li2O": 5.06,
      "Na2O": 0.03,
      "K2O": 5.32,
      "MgO": 0.02,
      "CaO": 8.91,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.4
      },
      {
        "material": "potash feldspar",
        "amount": 27.3
      },
      {
        "material": "whiting",
        "amount": 13.8
      },
      {
        "material": "kaolin",
        "amount": 11.7
      },
      {
        "material": "lithium carbonate",
        "amount": 10.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "30194",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.15,
      "Al2O3": 13.97,
      "B2O3": 15.42,
      "Na2O": 3.79,
      "K2O": 4.29,
      "CaO": 8.28,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 46.2
      },
      {
        "material": "colemanite",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 20.4
      },
      {
        "material": "kaolin",
        "amount": 5.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30195",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.71,
      "Al2O3": 13.29,
      "B2O3": 4.08,
      "Na2O": 3.28,
      "K2O": 3.72,
      "CaO": 11.82,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 8.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30196",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.87,
      "Al2O3": 13.63,
      "B2O3": 3.0,
      "Na2O": 3.82,
      "K2O": 2.82,
      "CaO": 11.8,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 13.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30198",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.25,
      "Al2O3": 11.28,
      "Li2O": 5.11,
      "K2O": 5.37,
      "CaO": 8.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.4
      },
      {
        "material": "potash feldspar",
        "amount": 27.3
      },
      {
        "material": "whiting",
        "amount": 13.8
      },
      {
        "material": "kaolin",
        "amount": 11.7
      },
      {
        "material": "lithium carbonate",
        "amount": 10.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30200",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.97,
      "Al2O3": 10.78,
      "Li2O": 1.9,
      "K2O": 4.33,
      "CaO": 15.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 38.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30201",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.66,
      "Al2O3": 8.72,
      "K2O": 6.44,
      "CaO": 5.95,
      "SrO": 1.94,
      "ZnO": 26.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.9
      },
      {
        "material": "zinc oxide",
        "amount": 24.8
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 4.1
      },
      {
        "material": "strontium carbonate",
        "amount": 2.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.57,
      "Al2O3": 17.08,
      "K2O": 9.19,
      "CaO": 8.08,
      "SrO": 5.45,
      "ZnO": 16.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 49.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "strontium carbonate",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30206",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.31,
      "Al2O3": 11.22,
      "B2O3": 6.62,
      "Na2O": 3.28,
      "K2O": 0.16,
      "MgO": 0.0,
      "CaO": 19.42,
      "Fe2O3": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.5
      },
      {
        "material": "kaolin",
        "amount": 21.5
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.0,
      "Al2O3": 7.91,
      "B2O3": 6.66,
      "Na2O": 1.03,
      "K2O": 6.98,
      "MgO": 1.82,
      "CaO": 13.41,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.6
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "gerstley borate",
        "amount": 21.8
      },
      {
        "material": "whiting",
        "amount": 11.4
      },
      {
        "material": "dolomite",
        "amount": 3.7
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "30320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.76,
      "Al2O3": 8.33,
      "B2O3": 0.89,
      "Li2O": 1.07,
      "Na2O": 1.86,
      "K2O": 0.47,
      "MgO": 0.03,
      "CaO": 1.01,
      "BaO": 16.58,
      "TiO2": 0.0,
      "ZrO2": 0.86,
      "Fe2O3": 0.07,
      "CuO": 0.01,
      "ZnO": 6.67,
      "Nd2O3": 6.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.1
      },
      {
        "material": "barium carbonate",
        "amount": 21.7
      },
      {
        "material": "spodumene",
        "amount": 13.58
      },
      {
        "material": "ferro frit 3110",
        "amount": 11.31
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.86
      },
      {
        "material": "zinc oxide",
        "amount": 6.78
      },
      {
        "material": "ferro frit 3195",
        "amount": 2.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "neodymium oxide",
        "amount": 6.5
      },
      {
        "material": "veegum t",
        "amount": 1.4
      },
      {
        "material": "zircopax",
        "amount": 1.3
      },
      {
        "material": "cmc gum",
        "amount": 0.4
      },
      {
        "material": "copper carbonate",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 109.62
      }
    ]
  },
  {
    "id": "30375",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.76,
      "Al2O3": 14.25,
      "Na2O": 2.33,
      "K2O": 7.39,
      "MgO": 0.26,
      "CaO": 11.32,
      "TiO2": 7.36,
      "Fe2O3": 7.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nr potassium feldspar",
        "amount": 64.35
      },
      {
        "material": "whiting",
        "amount": 18.93
      },
      {
        "material": "rutile",
        "amount": 7.89
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.68
      },
      {
        "material": "grolleg kaolin",
        "amount": 3.15
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.31
      },
      {
        "material": "total",
        "amount": 106.31
      }
    ]
  },
  {
    "id": "30376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.03,
      "Al2O3": 10.07,
      "B2O3": 1.81,
      "Na2O": 1.77,
      "K2O": 4.92,
      "MgO": 1.54,
      "CaO": 8.05,
      "P2O5": 0.01,
      "TiO2": 3.32,
      "Fe2O3": 4.33,
      "ZnO": 4.04,
      "SnO2": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.6
      },
      {
        "material": "silica",
        "amount": 18.64
      },
      {
        "material": "whiting",
        "amount": 7.72
      },
      {
        "material": "laguna borate",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.56
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.67
      },
      {
        "material": "ep kaolin",
        "amount": 2.35
      },
      {
        "material": "total base recipe",
        "amount": 91.54
      },
      {
        "material": "red stain",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 2.83
      },
      {
        "material": "bentonite",
        "amount": 1.87
      },
      {
        "material": "total",
        "amount": 107.24
      }
    ]
  },
  {
    "id": "30389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.47,
      "Al2O3": 9.94,
      "Na2O": 1.04,
      "K2O": 3.49,
      "MgO": 2.42,
      "CaO": 12.84,
      "P2O5": 0.94,
      "TiO2": 3.27,
      "Fe2O3": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.06
      },
      {
        "material": "silica",
        "amount": 28.15
      },
      {
        "material": "whiting",
        "amount": 18.44
      },
      {
        "material": "ep kaolin",
        "amount": 8.74
      },
      {
        "material": "talc",
        "amount": 6.79
      },
      {
        "material": "titanium dioxide",
        "amount": 2.91
      },
      {
        "material": "yellow ochre",
        "amount": 1.96
      },
      {
        "material": "bone ash",
        "amount": 1.94
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "30410",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.99,
      "Al2O3": 9.04,
      "B2O3": 0.45,
      "Na2O": 6.09,
      "K2O": 2.03,
      "MgO": 1.02,
      "CaO": 10.36,
      "P2O5": 0.43,
      "TiO2": 3.02,
      "Fe2O3": 0.07,
      "CuO": 0.97,
      "ZnO": 2.01,
      "SnO2": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "bone ash",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "30482",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.92,
      "Al2O3": 15.92,
      "B2O3": 3.33,
      "Li2O": 2.53,
      "Na2O": 5.25,
      "K2O": 2.31,
      "MgO": 0.46,
      "CaO": 9.59,
      "P2O5": 0.05,
      "TiO2": 11.46,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "30483",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.09,
      "Al2O3": 21.22,
      "Li2O": 1.87,
      "Na2O": 2.23,
      "K2O": 3.35,
      "MgO": 5.13,
      "CaO": 10.83,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30484",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 22.8,
      "Al2O3": 11.53,
      "B2O3": 25.15,
      "Na2O": 11.32,
      "K2O": 0.41,
      "MgO": 0.17,
      "CaO": 0.12,
      "TiO2": 0.5,
      "Fe2O3": 0.45,
      "SnO2": 27.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "borax",
        "amount": 50.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 30.0
      },
      {
        "material": "tin oxide",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30485",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 27.89,
      "Al2O3": 9.05,
      "B2O3": 10.74,
      "Na2O": 8.88,
      "K2O": 13.27,
      "MgO": 4.02,
      "CaO": 12.34,
      "P2O5": 8.01,
      "TiO2": 0.35,
      "Fe2O3": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "borax",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30486",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.55,
      "Al2O3": 16.43,
      "Na2O": 6.19,
      "K2O": 2.93,
      "MgO": 1.9,
      "CaO": 5.83,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.63,
      "Al2O3": 11.63,
      "B2O3": 1.26,
      "Na2O": 1.8,
      "K2O": 4.18,
      "MgO": 2.71,
      "CaO": 10.86,
      "P2O5": 0.03,
      "TiO2": 5.53,
      "Fe2O3": 0.77,
      "CuO": 2.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "30490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.76,
      "Al2O3": 13.79,
      "B2O3": 2.2,
      "Na2O": 2.5,
      "K2O": 5.07,
      "MgO": 0.01,
      "CaO": 11.82,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "ZnO": 7.73,
      "SnO2": 3.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "30492",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.76,
      "Al2O3": 12.22,
      "B2O3": 4.46,
      "Na2O": 2.5,
      "K2O": 4.71,
      "MgO": 2.81,
      "CaO": 11.88,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "SnO2": 4.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "30494",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.73,
      "Al2O3": 15.25,
      "B2O3": 3.58,
      "Na2O": 3.81,
      "K2O": 1.26,
      "MgO": 0.03,
      "CaO": 15.45,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "ZrO2": 5.59,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "30495",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.34,
      "Al2O3": 11.86,
      "B2O3": 4.73,
      "Na2O": 2.52,
      "K2O": 2.07,
      "MgO": 3.11,
      "CaO": 12.84,
      "P2O5": 0.04,
      "TiO2": 0.12,
      "ZrO2": 9.17,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "30497",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.21,
      "Al2O3": 12.57,
      "B2O3": 4.53,
      "Na2O": 5.62,
      "K2O": 2.38,
      "MgO": 0.6,
      "CaO": 9.4,
      "BaO": 13.13,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "ZrO2": 4.26,
      "Fe2O3": 0.13,
      "SnO2": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.0
      },
      {
        "material": "barium carbonate",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "30518",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.76,
      "Al2O3": 14.9,
      "B2O3": 0.73,
      "Li2O": 1.74,
      "Na2O": 3.61,
      "K2O": 2.05,
      "MgO": 1.53,
      "CaO": 13.62,
      "P2O5": 0.04,
      "TiO2": 12.85,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nc-4 feldspar",
        "amount": 44.4
      },
      {
        "material": "whiting",
        "amount": 16.9
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "titanium dioxide",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 6.3
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "30538",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.42,
      "Al2O3": 8.29,
      "B2O3": 13.94,
      "Na2O": 2.09,
      "K2O": 0.28,
      "MgO": 1.84,
      "CaO": 10.13,
      "P2O5": 0.11,
      "TiO2": 0.13,
      "MnO2": 4.52,
      "Fe2O3": 10.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "30559",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.74,
      "Al2O3": 9.36,
      "Na2O": 2.64,
      "K2O": 1.68,
      "MgO": 0.01,
      "CaO": 8.92,
      "P2O5": 0.01,
      "TiO2": 2.83,
      "FeO": 0.93,
      "Fe2O3": 3.07,
      "ZnO": 11.83,
      "SnO2": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "ilmenite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "30561",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.74,
      "Al2O3": 7.57,
      "B2O3": 1.25,
      "Li2O": 0.82,
      "Na2O": 8.24,
      "K2O": 1.78,
      "MgO": 0.05,
      "CaO": 6.6,
      "P2O5": 0.02,
      "TiO2": 2.74,
      "Fe2O3": 0.91,
      "CuO": 1.29,
      "ZnO": 3.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "30616",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.65,
      "Al2O3": 13.14,
      "Na2O": 2.13,
      "K2O": 1.92,
      "MgO": 0.02,
      "CaO": 9.03,
      "P2O5": 0.05,
      "TiO2": 5.08,
      "Fe2O3": 4.96,
      "ZnO": 7.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "30624",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.79,
      "Al2O3": 14.56,
      "Na2O": 2.36,
      "K2O": 2.12,
      "MgO": 0.02,
      "CaO": 10.01,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "ZnO": 7.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 6.06,
      "Al2O3": 5.69,
      "B2O3": 13.2,
      "CaO": 47.26,
      "P2O5": 27.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bone ash",
        "amount": 63.7
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 27.3
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "30707",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.88,
      "Al2O3": 12.5,
      "K2O": 7.85,
      "CaO": 11.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "30708",
    "chemical_composition": {
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      "Na2O": 2.43,
      "K2O": 0.25,
      "MgO": 2.12,
      "CaO": 12.65,
      "P2O5": 0.06,
      "TiO2": 0.06,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 49.5
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "30709",
    "chemical_composition": {
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      "SiO2": 63.49,
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      "Na2O": 3.78,
      "K2O": 1.77,
      "MgO": 7.59,
      "CaO": 0.28,
      "Fe2O3": 0.08,
      "ZnO": 12.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.25
      },
      {
        "material": "nepheline syenite",
        "amount": 35.15
      },
      {
        "material": "magnesium carbonate",
        "amount": 14.46
      },
      {
        "material": "zinc oxide",
        "amount": 11.78
      },
      {
        "material": "kaolin",
        "amount": 2.38
      },
      {
        "material": "bentonite",
        "amount": 0.99
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
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    "id": "30710",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.09,
      "Al2O3": 11.36,
      "B2O3": 4.09,
      "Na2O": 3.77,
      "K2O": 1.54,
      "MgO": 6.36,
      "CaO": 3.19,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.09,
      "ZnO": 4.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.7
      },
      {
        "material": "nepheline syenite",
        "amount": 28.7
      },
      {
        "material": "gerstley borate",
        "amount": 13.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.8
      },
      {
        "material": "kaolin",
        "amount": 8.2
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30711",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.24,
      "Al2O3": 10.36,
      "B2O3": 7.23,
      "Na2O": 1.08,
      "K2O": 9.42,
      "MgO": 0.94,
      "CaO": 5.24,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "SnO2": 4.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 51.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.57,
      "Al2O3": 11.11,
      "B2O3": 1.7,
      "Na2O": 0.25,
      "K2O": 4.31,
      "MgO": 1.96,
      "CaO": 12.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.36
      },
      {
        "material": "potash feldspar",
        "amount": 23.92
      },
      {
        "material": "wollastonite",
        "amount": 21.22
      },
      {
        "material": "kaolin",
        "amount": 15.07
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.43
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30735",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.31,
      "Al2O3": 13.24,
      "B2O3": 4.12,
      "Na2O": 2.59,
      "K2O": 0.61,
      "MgO": 0.03,
      "CaO": 12.77,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 27.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 13.7
      },
      {
        "material": "nepheline syenite",
        "amount": 6.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30786",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 10.21,
      "B2O3": 3.67,
      "Na2O": 3.61,
      "K2O": 1.08,
      "MgO": 4.79,
      "CaO": 9.89,
      "TiO2": 0.21,
      "MnO2": 1.49,
      "Fe2O3": 0.24,
      "CoO": 4.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "cobalt oxide",
        "amount": 4.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 105.6
      }
    ]
  },
  {
    "id": "30787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.06,
      "Al2O3": 10.95,
      "B2O3": 4.14,
      "Na2O": 4.13,
      "K2O": 1.23,
      "MgO": 4.77,
      "CaO": 10.29,
      "TiO2": 0.21,
      "Cr2O3": 2.14,
      "MnO2": 1.86,
      "Fe2O3": 0.24,
      "CoO": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "30788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 10.01,
      "B2O3": 3.6,
      "Na2O": 3.55,
      "K2O": 1.06,
      "MgO": 4.7,
      "CaO": 9.71,
      "TiO2": 0.21,
      "Fe2O3": 0.23,
      "CuO": 2.04,
      "SnO2": 5.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "30798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.31,
      "Al2O3": 11.81,
      "B2O3": 2.1,
      "Na2O": 5.25,
      "K2O": 2.35,
      "MgO": 2.78,
      "CaO": 10.31,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30809",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.29,
      "Al2O3": 9.8,
      "Na2O": 1.24,
      "K2O": 4.1,
      "MgO": 2.41,
      "CaO": 9.01,
      "TiO2": 0.12,
      "Fe2O3": 9.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.4
      },
      {
        "material": "silica",
        "amount": 22.9
      },
      {
        "material": "whiting",
        "amount": 14.4
      },
      {
        "material": "ball clay",
        "amount": 11.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.5
      },
      {
        "material": "talc",
        "amount": 6.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30858",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.49,
      "Al2O3": 13.88,
      "Li2O": 2.17,
      "Na2O": 1.14,
      "K2O": 3.79,
      "MgO": 2.37,
      "CaO": 6.46,
      "BaO": 21.04,
      "Fe2O3": 2.1,
      "CuO": 1.4,
      "SnO2": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "30859",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.68,
      "Al2O3": 17.97,
      "Na2O": 1.84,
      "K2O": 2.46,
      "MgO": 0.1,
      "CaO": 23.92,
      "P2O5": 0.06,
      "TiO2": 0.17,
      "Fe2O3": 0.29,
      "CoO": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "30860",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.58,
      "Al2O3": 16.89,
      "Na2O": 1.73,
      "K2O": 2.31,
      "MgO": 0.1,
      "CaO": 22.49,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "Fe2O3": 0.27,
      "CuO": 2.9,
      "SnO2": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "30861",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.87,
      "Al2O3": 16.3,
      "Na2O": 1.66,
      "K2O": 2.23,
      "MgO": 0.09,
      "CaO": 21.7,
      "P2O5": 0.06,
      "TiO2": 6.69,
      "Fe2O3": 4.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "30862",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.21,
      "Al2O3": 15.54,
      "Na2O": 1.86,
      "K2O": 2.47,
      "MgO": 1.17,
      "CaO": 24.44,
      "P2O5": 0.04,
      "TiO2": 5.03,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 32.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30864",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.31,
      "Al2O3": 10.66,
      "B2O3": 0.9,
      "Na2O": 0.9,
      "K2O": 3.73,
      "MgO": 1.22,
      "CaO": 15.21,
      "P2O5": 0.08,
      "TiO2": 0.44,
      "MnO": 0.39,
      "Fe2O3": 6.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 29.0
      },
      {
        "material": "custer feldspar",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "barnard slip",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "dolomite",
        "amount": 2.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30865",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.5,
      "Al2O3": 10.68,
      "Na2O": 1.61,
      "K2O": 5.36,
      "MgO": 0.0,
      "CaO": 3.77,
      "BaO": 9.96,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "barium carbonate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30869",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.78,
      "Al2O3": 13.03,
      "Na2O": 3.15,
      "K2O": 2.02,
      "MgO": 0.01,
      "CaO": 11.79,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "30871",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.06,
      "Al2O3": 10.4,
      "Na2O": 1.19,
      "K2O": 3.98,
      "MgO": 0.01,
      "CaO": 11.21,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 7.96,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
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    "id": "30874",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.76,
      "Al2O3": 16.78,
      "Na2O": 5.77,
      "K2O": 3.61,
      "MgO": 0.06,
      "CaO": 6.95,
      "TiO2": 2.7,
      "Fe2O3": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 87.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "30876",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.63,
      "Al2O3": 10.42,
      "B2O3": 1.48,
      "Li2O": 8.08,
      "Na2O": 3.32,
      "K2O": 1.54,
      "MgO": 4.76,
      "CaO": 6.0,
      "P2O5": 0.03,
      "TiO2": 4.02,
      "Fe2O3": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 18.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "30878",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.03,
      "Al2O3": 9.75,
      "B2O3": 1.68,
      "Li2O": 6.82,
      "Na2O": 2.76,
      "K2O": 1.26,
      "MgO": 4.25,
      "CaO": 7.18,
      "BaO": 8.13,
      "P2O5": 1.8,
      "TiO2": 3.82,
      "Fe2O3": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "lithium carbonate",
        "amount": 16.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "wollastonite",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "yellow ochre",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
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    "id": "30881",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.08,
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      "Na2O": 5.13,
      "K2O": 2.4,
      "MgO": 4.66,
      "CaO": 8.63,
      "TiO2": 0.01,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "30884",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.78,
      "Al2O3": 14.49,
      "Na2O": 3.63,
      "K2O": 2.36,
      "MgO": 3.29,
      "CaO": 11.21,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30886",
    "chemical_composition": {
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      "SiO2": 44.81,
      "Al2O3": 11.33,
      "Na2O": 2.85,
      "K2O": 1.82,
      "MgO": 2.87,
      "CaO": 4.65,
      "BaO": 25.33,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 6.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "30889",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.16,
      "Al2O3": 18.13,
      "Na2O": 4.11,
      "K2O": 2.64,
      "MgO": 0.02,
      "CaO": 15.55,
      "P2O5": 0.04,
      "TiO2": 4.94,
      "Cr2O3": 0.54,
      "Fe2O3": 0.7,
      "SnO2": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 58.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "30890",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.42,
      "Al2O3": 13.16,
      "Na2O": 1.35,
      "K2O": 4.52,
      "MgO": 0.02,
      "CaO": 5.74,
      "BaO": 34.71,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 39.13
      },
      {
        "material": "custer feldspar",
        "amount": 39.13
      },
      {
        "material": "ep kaolin",
        "amount": 13.04
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.61
      },
      {
        "material": "total",
        "amount": 102.61
      }
    ]
  },
  {
    "id": "30892",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.88,
      "Al2O3": 18.89,
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      "K2O": 2.23,
      "MgO": 4.72,
      "CaO": 9.91,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "CoO": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "30893",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.0,
      "Al2O3": 18.36,
      "Na2O": 2.29,
      "K2O": 1.5,
      "MgO": 5.12,
      "CaO": 7.66,
      "BaO": 13.56,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "MnO2": 0.51,
      "Fe2O3": 0.15,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "granular manganese",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
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    "id": "30899",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.74,
      "Al2O3": 11.35,
      "B2O3": 2.47,
      "Na2O": 2.2,
      "K2O": 0.95,
      "MgO": 5.32,
      "CaO": 8.92,
      "P2O5": 3.21,
      "TiO2": 0.08,
      "Fe2O3": 10.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.7
      },
      {
        "material": "nepheline syenite",
        "amount": 16.7
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 8.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.3
      },
      {
        "material": "talc",
        "amount": 8.3
      },
      {
        "material": "bone ash",
        "amount": 6.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30900",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.64,
      "Al2O3": 20.76,
      "Na2O": 3.76,
      "K2O": 2.4,
      "MgO": 5.04,
      "CaO": 10.46,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "SnO2": 5.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "calcined kaolin",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30903",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.09,
      "Al2O3": 12.33,
      "B2O3": 4.9,
      "Li2O": 1.72,
      "Na2O": 2.25,
      "K2O": 0.22,
      "MgO": 4.8,
      "CaO": 10.82,
      "TiO2": 0.26,
      "Fe2O3": 0.24,
      "SnO2": 5.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "30904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.41,
      "Al2O3": 22.58,
      "Na2O": 2.76,
      "K2O": 4.12,
      "MgO": 5.08,
      "CaO": 10.84,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "minspar 200",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "calcined kaolin",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "30905",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.18,
      "Al2O3": 11.98,
      "Na2O": 1.37,
      "K2O": 5.32,
      "MgO": 0.12,
      "CaO": 9.5,
      "TiO2": 0.0,
      "Fe2O3": 9.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "30908",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.7,
      "Al2O3": 11.03,
      "B2O3": 2.08,
      "Na2O": 2.44,
      "K2O": 4.99,
      "MgO": 3.58,
      "CaO": 9.69,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.19,
      "CuO": 0.52,
      "ZnO": 4.52,
      "SnO2": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.1
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 105.6
      },
      {
        "material": "tin oxide",
        "amount": 1.2
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 108.6
      }
    ]
  },
  {
    "id": "30924",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.18,
      "Al2O3": 12.98,
      "B2O3": 4.67,
      "Na2O": 2.53,
      "K2O": 3.04,
      "MgO": 0.04,
      "CaO": 13.96,
      "Fe2O3": 0.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar fff",
        "amount": 37.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "30937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.71,
      "Al2O3": 7.73,
      "Na2O": 1.09,
      "K2O": 3.46,
      "MgO": 0.04,
      "CaO": 7.08,
      "P2O5": 0.01,
      "TiO2": 5.76,
      "Fe2O3": 0.77,
      "ZnO": 25.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.9
      },
      {
        "material": "zinc oxide",
        "amount": 25.8
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "whiting",
        "amount": 12.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "30938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.91,
      "Al2O3": 13.36,
      "B2O3": 3.2,
      "Na2O": 4.13,
      "K2O": 1.2,
      "MgO": 0.18,
      "CaO": 15.67,
      "TiO2": 0.03,
      "Cr2O3": 0.23,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 25.5
      },
      {
        "material": "kaolin",
        "amount": 21.5
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.2
      }
    ]
  },
  {
    "id": "30948",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.41,
      "Al2O3": 8.86,
      "B2O3": 1.84,
      "Li2O": 0.79,
      "Na2O": 1.81,
      "K2O": 4.97,
      "MgO": 0.28,
      "CaO": 9.25,
      "SrO": 1.35,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.15,
      "CuO": 0.24,
      "ZnO": 3.96,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.9
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "whiting",
        "amount": 12.9
      },
      {
        "material": "gerstley borate",
        "amount": 6.4
      },
      {
        "material": "zinc oxide",
        "amount": 3.7
      },
      {
        "material": "lithium carbonate",
        "amount": 1.8
      },
      {
        "material": "strontium carbonate",
        "amount": 1.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 103.35
      }
    ]
  },
  {
    "id": "30958",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.77,
      "Al2O3": 1.81,
      "B2O3": 1.28,
      "Na2O": 7.4,
      "K2O": 1.16,
      "MgO": 1.5,
      "CaO": 3.23,
      "TiO2": 1.5,
      "MnO2": 2.67,
      "Fe2O3": 0.07,
      "CuO": 1.3,
      "ZnO": 25.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.5
      },
      {
        "material": "zinc oxide",
        "amount": 26.3
      },
      {
        "material": "silica",
        "amount": 16.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.3
      },
      {
        "material": "titanium dioxide",
        "amount": 1.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.2
      },
      {
        "material": "copper carbonate",
        "amount": 2.1
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.8
      }
    ]
  },
  {
    "id": "30973",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.97,
      "Al2O3": 9.81,
      "B2O3": 1.44,
      "Na2O": 2.24,
      "K2O": 2.17,
      "MgO": 0.37,
      "CaO": 4.6,
      "BaO": 14.69,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 1.54,
      "ZnO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hess pumice",
        "amount": 68.0
      },
      {
        "material": "barium carbonate",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31053",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.85,
      "Al2O3": 12.14,
      "Na2O": 2.96,
      "K2O": 3.42,
      "MgO": 0.04,
      "CaO": 0.04,
      "SrO": 13.52,
      "TiO2": 0.13,
      "Fe2O3": 0.21,
      "NiO": 1.07,
      "ZnO": 9.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "strontium carbonate",
        "amount": 18.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31054",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.07,
      "Al2O3": 12.19,
      "Na2O": 2.98,
      "K2O": 3.43,
      "MgO": 0.04,
      "CaO": 0.04,
      "SrO": 13.57,
      "TiO2": 0.13,
      "Fe2O3": 0.21,
      "NiO": 0.68,
      "ZnO": 9.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "strontium carbonate",
        "amount": 18.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "nickel carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31056",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.95,
      "Al2O3": 17.8,
      "Na2O": 2.3,
      "K2O": 3.33,
      "MgO": 5.13,
      "CaO": 9.25,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 22.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31058",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.94,
      "Al2O3": 12.28,
      "B2O3": 3.52,
      "Na2O": 3.99,
      "K2O": 2.74,
      "CaO": 12.27,
      "Cr2O3": 1.03,
      "Fe2O3": 0.07,
      "SnO2": 5.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "31059",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.82,
      "Al2O3": 12.68,
      "B2O3": 3.64,
      "Na2O": 4.11,
      "K2O": 2.83,
      "CaO": 12.66,
      "Cr2O3": 0.53,
      "Fe2O3": 0.07,
      "SnO2": 2.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31060",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.71,
      "Al2O3": 20.33,
      "B2O3": 3.63,
      "Na2O": 3.51,
      "K2O": 2.15,
      "CaO": 14.61,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31062",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.96,
      "Al2O3": 14.02,
      "B2O3": 3.04,
      "Na2O": 3.01,
      "K2O": 3.41,
      "MgO": 1.37,
      "CaO": 9.1,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "frit kfr 007 calcium borate fritte",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.08,
      "Al2O3": 10.76,
      "Na2O": 3.98,
      "K2O": 12.97,
      "MgO": 3.01,
      "CaO": 9.56,
      "P2O5": 6.15,
      "Fe2O3": 9.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 45.0
      },
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "yellow ochre",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.33,
      "Al2O3": 9.8,
      "B2O3": 0.83,
      "Na2O": 0.81,
      "K2O": 3.04,
      "MgO": 0.41,
      "CaO": 12.42,
      "P2O5": 0.01,
      "TiO2": 0.28,
      "MnO": 1.3,
      "Fe2O3": 6.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barnard slip",
        "amount": 36.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "31065",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 12.79,
      "Li2O": 0.15,
      "Na2O": 1.76,
      "K2O": 5.86,
      "MgO": 1.84,
      "CaO": 8.58,
      "BaO": 1.62,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "ZrO2": 4.21,
      "Fe2O3": 0.11,
      "ZnO": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "petalite",
        "amount": 3.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "31066",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.24,
      "Al2O3": 12.48,
      "Na2O": 2.13,
      "K2O": 7.84,
      "MgO": 0.16,
      "CaO": 9.09,
      "TiO2": 2.7,
      "Fe2O3": 2.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 68.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "31067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.28,
      "Al2O3": 13.57,
      "B2O3": 2.91,
      "Na2O": 2.81,
      "K2O": 7.96,
      "MgO": 0.38,
      "CaO": 9.65,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.12,
      "CuO": 0.21,
      "SnO2": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 73.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "31068",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 29.77,
      "Al2O3": 14.07,
      "Na2O": 0.03,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 21.19,
      "BaO": 29.24,
      "P2O5": 0.1,
      "TiO2": 4.66,
      "Fe2O3": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31069",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 11.88,
      "B2O3": 6.25,
      "Na2O": 5.56,
      "K2O": 1.03,
      "MgO": 0.03,
      "CaO": 13.34,
      "SrO": 0.03,
      "BaO": 1.75,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "FeO": 0.03,
      "Fe2O3": 0.2,
      "ZnO": 1.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31070",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.87,
      "Al2O3": 15.58,
      "Na2O": 1.58,
      "K2O": 5.3,
      "MgO": 0.02,
      "CaO": 12.8,
      "BaO": 13.3,
      "P2O5": 0.95,
      "TiO2": 2.95,
      "Fe2O3": 1.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "barium carbonate",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "31071",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.78,
      "Al2O3": 16.4,
      "Na2O": 1.64,
      "K2O": 5.49,
      "MgO": 0.02,
      "CaO": 12.39,
      "BaO": 12.65,
      "P2O5": 0.04,
      "TiO2": 2.02,
      "Fe2O3": 1.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "31072",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.45,
      "Al2O3": 22.63,
      "B2O3": 0.55,
      "Li2O": 0.75,
      "Na2O": 7.57,
      "K2O": 3.52,
      "MgO": 0.09,
      "CaO": 3.58,
      "P2O5": 0.02,
      "TiO2": 0.96,
      "Fe2O3": 0.23,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "petalite",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "31073",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.56,
      "Al2O3": 16.69,
      "B2O3": 1.24,
      "Na2O": 1.46,
      "K2O": 4.29,
      "MgO": 4.77,
      "CaO": 10.05,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Cr2O3": 0.29,
      "MnO2": 0.5,
      "Fe2O3": 0.25,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.75
      }
    ]
  },
  {
    "id": "31074",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.68,
      "Al2O3": 18.65,
      "B2O3": 0.63,
      "Na2O": 1.48,
      "K2O": 4.66,
      "MgO": 5.48,
      "CaO": 9.42,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Cr2O3": 0.29,
      "MnO2": 0.51,
      "Fe2O3": 0.28,
      "CoO": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.75
      }
    ]
  },
  {
    "id": "31075",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 34.78,
      "Al2O3": 10.96,
      "Na2O": 0.12,
      "K2O": 0.39,
      "MgO": 4.46,
      "CaO": 28.15,
      "BaO": 15.26,
      "TiO2": 0.47,
      "Fe2O3": 5.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31076",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.01,
      "Al2O3": 16.13,
      "Li2O": 1.76,
      "Na2O": 6.33,
      "K2O": 3.01,
      "MgO": 0.04,
      "CaO": 0.26,
      "SrO": 17.49,
      "TiO2": 0.08,
      "Fe2O3": 0.12,
      "CuO": 2.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 56.0
      },
      {
        "material": "strontium carbonate",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31077",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.57,
      "Al2O3": 10.26,
      "Na2O": 1.79,
      "K2O": 2.55,
      "MgO": 5.31,
      "CaO": 6.6,
      "BaO": 8.14,
      "P2O5": 0.09,
      "TiO2": 0.47,
      "Cr2O3": 1.05,
      "MnO2": 1.82,
      "Fe2O3": 5.04,
      "CoO": 1.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 40.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "barium carbonate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "31078",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.65,
      "Al2O3": 11.89,
      "Na2O": 1.69,
      "K2O": 5.62,
      "MgO": 0.01,
      "CaO": 7.3,
      "BaO": 2.05,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 2.11,
      "ZnO": 2.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "31079",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.69,
      "Al2O3": 11.01,
      "Na2O": 1.56,
      "K2O": 5.21,
      "MgO": 0.01,
      "CaO": 6.75,
      "BaO": 1.9,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 9.39,
      "ZnO": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "31080",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.42,
      "Al2O3": 19.49,
      "Na2O": 1.62,
      "K2O": 5.43,
      "MgO": 1.23,
      "CaO": 14.26,
      "P2O5": 1.34,
      "TiO2": 2.36,
      "Fe2O3": 2.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "calcined kaolin",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "31100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.38,
      "Al2O3": 16.16,
      "K2O": 9.0,
      "MgO": 1.7,
      "CaO": 11.89,
      "P2O5": 6.77,
      "Fe2O3": 9.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 50.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "31103",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.32,
      "Al2O3": 12.73,
      "Na2O": 3.87,
      "K2O": 3.16,
      "MgO": 2.24,
      "CaO": 5.35,
      "P2O5": 0.3,
      "TiO2": 0.13,
      "Fe2O3": 5.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 36.26
      },
      {
        "material": "redart clay calcined",
        "amount": 33.75
      },
      {
        "material": "silica",
        "amount": 8.58
      },
      {
        "material": "redart",
        "amount": 7.91
      },
      {
        "material": "wollastonite",
        "amount": 5.5
      },
      {
        "material": "talc",
        "amount": 4.15
      },
      {
        "material": "red iron oxide",
        "amount": 3.46
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.24,
      "Al2O3": 14.91,
      "B2O3": 3.26,
      "Na2O": 2.83,
      "K2O": 7.87,
      "MgO": 0.43,
      "CaO": 6.02,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 7.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 77.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 0.1
      },
      {
        "material": "total base recipe",
        "amount": 99.1
      },
      {
        "material": "red iron oxide",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "31143",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.36,
      "Al2O3": 15.27,
      "B2O3": 3.47,
      "Li2O": 1.17,
      "Na2O": 5.36,
      "K2O": 1.78,
      "MgO": 0.07,
      "CaO": 3.16,
      "SrO": 21.39,
      "P2O5": 0.04,
      "TiO2": 0.02,
      "MnO": 0.0,
      "Fe2O3": 0.18,
      "CuO": 0.65,
      "SnO2": 5.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "spodumene - australian",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "31163",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.79,
      "Al2O3": 14.56,
      "Na2O": 2.36,
      "K2O": 2.12,
      "MgO": 0.02,
      "CaO": 10.01,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "ZnO": 7.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31190",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.46,
      "Al2O3": 16.95,
      "B2O3": 4.16,
      "Na2O": 4.48,
      "K2O": 1.32,
      "MgO": 0.03,
      "CaO": 12.03,
      "SrO": 13.62,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 1.32,
      "CoO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 22.0
      },
      {
        "material": "strontium carbonate",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.81,
      "Al2O3": 11.27,
      "Na2O": 0.43,
      "K2O": 6.7,
      "MgO": 0.01,
      "CaO": 7.03,
      "P2O5": 0.02,
      "TiO2": 2.33,
      "Fe2O3": 0.35,
      "CoO": 2.25,
      "CuO": 2.63,
      "ZnO": 8.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.5
      },
      {
        "material": "rutile",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "31212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.92,
      "Al2O3": 12.46,
      "B2O3": 4.75,
      "Na2O": 2.88,
      "K2O": 2.59,
      "MgO": 1.86,
      "CaO": 12.19,
      "P2O5": 0.05,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 15.5
      },
      {
        "material": "silica",
        "amount": 14.5
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.15,
      "Al2O3": 9.88,
      "B2O3": 5.63,
      "Na2O": 5.48,
      "K2O": 0.02,
      "MgO": 2.95,
      "CaO": 8.89,
      "Fe2O3": 9.09,
      "CuO": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "31239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.82,
      "Al2O3": 13.15,
      "B2O3": 3.85,
      "Na2O": 4.57,
      "K2O": 1.81,
      "MgO": 0.08,
      "CaO": 12.27,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.22,
      "ZnO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31254",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.72,
      "Al2O3": 10.38,
      "B2O3": 2.59,
      "Li2O": 2.03,
      "Na2O": 4.21,
      "K2O": 6.09,
      "MgO": 0.34,
      "CaO": 2.06,
      "SrO": 1.83,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "CuO": 0.7,
      "ZnO": 6.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 55.7
      },
      {
        "material": "silica",
        "amount": 18.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.9
      },
      {
        "material": "zinc oxide",
        "amount": 6.4
      },
      {
        "material": "lithium carbonate",
        "amount": 4.6
      },
      {
        "material": "soda ash",
        "amount": 3.7
      },
      {
        "material": "strontium carbonate",
        "amount": 2.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31290",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.86,
      "Al2O3": 13.93,
      "B2O3": 3.75,
      "Na2O": 1.67,
      "K2O": 0.36,
      "MgO": 1.1,
      "CaO": 13.7,
      "TiO2": 6.39,
      "ZrO2": 3.37,
      "Fe2O3": 0.66,
      "ZnO": 2.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.01
      },
      {
        "material": "kaolin",
        "amount": 27.82
      },
      {
        "material": "whiting",
        "amount": 17.91
      },
      {
        "material": "borax",
        "amount": 8.47
      },
      {
        "material": "titanium dioxide",
        "amount": 5.28
      },
      {
        "material": "dolomite",
        "amount": 4.16
      },
      {
        "material": "zircopax",
        "amount": 4.14
      },
      {
        "material": "zinc oxide",
        "amount": 1.83
      },
      {
        "material": "feldspar",
        "amount": 1.76
      },
      {
        "material": "iron oxide",
        "amount": 0.57
      },
      {
        "material": "total",
        "amount": 99.95
      }
    ]
  },
  {
    "id": "31292",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.78,
      "Al2O3": 20.92,
      "B2O3": 1.48,
      "Na2O": 8.63,
      "K2O": 4.06,
      "MgO": 2.64,
      "CaO": 1.42,
      "Fe2O3": 0.62,
      "CoO": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 89.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "calcium borate frit",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.67,
      "Al2O3": 13.26,
      "Na2O": 2.53,
      "K2O": 0.08,
      "MgO": 2.59,
      "CaO": 10.76,
      "P2O5": 0.06,
      "TiO2": 8.6,
      "Fe2O3": 0.19,
      "ZnO": 4.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "soda feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "31338",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.6,
      "Al2O3": 12.77,
      "Na2O": 3.22,
      "K2O": 2.21,
      "MgO": 0.03,
      "CaO": 11.1,
      "TiO2": 0.0,
      "Fe2O3": 0.1,
      "ZnO": 31.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "zinc oxide",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 89.0
      }
    ]
  },
  {
    "id": "31339",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.16,
      "Al2O3": 12.77,
      "B2O3": 5.91,
      "Na2O": 3.69,
      "K2O": 1.9,
      "MgO": 0.78,
      "CaO": 10.45,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 92.0
      }
    ]
  },
  {
    "id": "31340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.74,
      "Al2O3": 17.11,
      "Na2O": 3.45,
      "K2O": 2.25,
      "MgO": 4.66,
      "CaO": 9.43,
      "P2O5": 0.05,
      "TiO2": 0.11,
      "Cr2O3": 4.0,
      "Fe2O3": 0.21,
      "CoO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.4
      },
      {
        "material": "cornwall stone",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 15.2
      },
      {
        "material": "dolomite",
        "amount": 13.4
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "talc",
        "amount": 7.4
      },
      {
        "material": "chrome oxide",
        "amount": 4.6
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.8
      },
      {
        "material": "total",
        "amount": 130.8
      }
    ]
  },
  {
    "id": "31341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.46,
      "Al2O3": 13.72,
      "Na2O": 5.17,
      "K2O": 2.45,
      "MgO": 0.07,
      "CaO": 0.23,
      "BaO": 29.24,
      "TiO2": 4.65,
      "Fe2O3": 0.69,
      "CuO": 1.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 48.0
      },
      {
        "material": "barium carbonate",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "ball clay",
        "amount": 7.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "31342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 25.3,
      "Al2O3": 12.04,
      "Na2O": 0.68,
      "K2O": 2.29,
      "MgO": 0.02,
      "CaO": 0.11,
      "SrO": 20.73,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "MnO2": 38.49,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 30.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 80.0
      }
    ]
  },
  {
    "id": "31343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.21,
      "Al2O3": 12.01,
      "Na2O": 1.1,
      "K2O": 3.69,
      "MgO": 1.16,
      "CaO": 13.38,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 5.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.82
      },
      {
        "material": "silica",
        "amount": 27.27
      },
      {
        "material": "whiting",
        "amount": 18.18
      },
      {
        "material": "ep kaolin",
        "amount": 13.64
      },
      {
        "material": "dolomite",
        "amount": 4.55
      },
      {
        "material": "zinc oxide",
        "amount": 4.55
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "31345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.29,
      "Al2O3": 59.22,
      "Na2O": 0.11,
      "K2O": 0.31,
      "MgO": 0.1,
      "CaO": 0.12,
      "P2O5": 0.06,
      "TiO2": 0.34,
      "Fe2O3": 0.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alumina hydrate",
        "amount": 33.3
      },
      {
        "material": "ball clay",
        "amount": 16.6
      },
      {
        "material": "calcined kaolin",
        "amount": 16.6
      },
      {
        "material": "ep kaolin",
        "amount": 16.6
      },
      {
        "material": "total",
        "amount": 83.1
      }
    ]
  },
  {
    "id": "31348",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.01,
      "Al2O3": 16.8,
      "Na2O": 6.5,
      "K2O": 3.07,
      "MgO": 4.86,
      "CaO": 7.08,
      "TiO2": 0.04,
      "ZrO2": 11.02,
      "Cr2O3": 1.08,
      "Fe2O3": 0.19,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 63.9
      },
      {
        "material": "dolomite",
        "amount": 21.1
      },
      {
        "material": "zircopax",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 4.3
      },
      {
        "material": "bentonite",
        "amount": 2.11
      },
      {
        "material": "chrome oxide",
        "amount": 1.05
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.53
      },
      {
        "material": "total",
        "amount": 108.99
      }
    ]
  },
  {
    "id": "31363",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.42,
      "Al2O3": 12.59,
      "Na2O": 1.29,
      "K2O": 3.19,
      "MgO": 5.0,
      "CaO": 5.75,
      "SrO": 3.73,
      "P2O5": 0.14,
      "TiO2": 0.71,
      "FeO": 4.13,
      "Fe2O3": 4.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 58.0
      },
      {
        "material": "dolomite",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31446",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.65,
      "Al2O3": 19.36,
      "Na2O": 7.17,
      "K2O": 3.94,
      "MgO": 5.94,
      "CaO": 8.75,
      "P2O5": 0.02,
      "TiO2": 0.07,
      "Fe2O3": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "alberta slip",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.15,
      "Al2O3": 17.02,
      "Li2O": 0.44,
      "Na2O": 5.86,
      "K2O": 2.75,
      "MgO": 0.06,
      "CaO": 0.42,
      "SrO": 13.99,
      "TiO2": 5.08,
      "Fe2O3": 0.06,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 58.82
      },
      {
        "material": "strontium carbonate",
        "amount": 19.61
      },
      {
        "material": "petalite",
        "amount": 8.82
      },
      {
        "material": "silica",
        "amount": 8.82
      },
      {
        "material": "kaolin",
        "amount": 3.92
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.19
      }
    ]
  },
  {
    "id": "31491",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.07,
      "Al2O3": 16.35,
      "Li2O": 0.74,
      "K2O": 1.81,
      "CaO": 10.74,
      "ZnO": 20.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 31.4
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.8
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "potash feldspar",
        "amount": 9.4
      },
      {
        "material": "lithium carbonate",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31492",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.44,
      "Al2O3": 9.24,
      "K2O": 6.16,
      "CaO": 7.23,
      "ZnO": 26.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 34.2
      },
      {
        "material": "zinc oxide",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31493",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.09,
      "Al2O3": 14.76,
      "K2O": 10.07,
      "CaO": 6.56,
      "ZnO": 25.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 56.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31494",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.38,
      "Al2O3": 14.86,
      "B2O3": 0.54,
      "Li2O": 4.21,
      "Na2O": 0.3,
      "K2O": 0.02,
      "MgO": 15.14,
      "CaO": 0.48,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 50.9
      },
      {
        "material": "talc",
        "amount": 43.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 2.3
      },
      {
        "material": "bentonite",
        "amount": 1.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31496",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.89,
      "Al2O3": 10.49,
      "Li2O": 4.15,
      "K2O": 4.8,
      "CaO": 8.6,
      "ZrO2": 7.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.2
      },
      {
        "material": "potash feldspar",
        "amount": 24.8
      },
      {
        "material": "whiting",
        "amount": 13.4
      },
      {
        "material": "kaolin",
        "amount": 11.5
      },
      {
        "material": "zircopax",
        "amount": 9.2
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31497",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.87,
      "Al2O3": 15.46,
      "Li2O": 4.39,
      "Na2O": 2.13,
      "K2O": 2.41,
      "Fe2O3": 0.06,
      "ZnO": 10.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.1
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 25.3
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 9.7
      },
      {
        "material": "zinc oxide",
        "amount": 9.6
      },
      {
        "material": "total",
        "amount": 98.7
      }
    ]
  },
  {
    "id": "31519",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.39,
      "Al2O3": 10.15,
      "B2O3": 0.02,
      "Na2O": 1.0,
      "K2O": 8.31,
      "MgO": 1.67,
      "CaO": 11.52,
      "P2O5": 6.34,
      "TiO2": 0.31,
      "Cr2O3": 0.0,
      "MnO": 0.03,
      "Fe2O3": 8.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red oak ash testing",
        "amount": 25.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "31537",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.36,
      "Al2O3": 13.93,
      "B2O3": 4.33,
      "Na2O": 1.51,
      "K2O": 0.29,
      "MgO": 0.03,
      "CaO": 15.65,
      "P2O5": 0.07,
      "TiO2": 5.28,
      "Fe2O3": 0.79,
      "CoO": 0.91,
      "CuO": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "31540",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.68,
      "Al2O3": 7.13,
      "B2O3": 6.01,
      "Na2O": 3.37,
      "K2O": 2.32,
      "MgO": 0.64,
      "CaO": 9.63,
      "SrO": 2.0,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 4.99,
      "SnO2": 11.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.6
      },
      {
        "material": "custer feldspar",
        "amount": 26.6
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "tin oxide",
        "amount": 13.0
      },
      {
        "material": "wollastonite",
        "amount": 10.6
      },
      {
        "material": "ep kaolin",
        "amount": 8.4
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "strontium carbonate",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "31546",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.31,
      "Al2O3": 12.08,
      "B2O3": 4.32,
      "Na2O": 4.95,
      "K2O": 1.44,
      "MgO": 5.19,
      "CaO": 9.17,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "ZrO2": 6.37,
      "Fe2O3": 0.18,
      "CoO": 0.3,
      "CuO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "31548",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.05,
      "Al2O3": 11.65,
      "B2O3": 4.45,
      "Li2O": 1.56,
      "Na2O": 2.11,
      "K2O": 0.22,
      "MgO": 4.4,
      "CaO": 9.85,
      "TiO2": 0.23,
      "MnO2": 2.54,
      "Fe2O3": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 21.75
      },
      {
        "material": "dolomite",
        "amount": 17.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.4
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.4
      },
      {
        "material": "spodumene",
        "amount": 17.4
      },
      {
        "material": "red iron oxide",
        "amount": 4.35
      },
      {
        "material": "manganese dioxide",
        "amount": 2.6
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
  {
    "id": "31550",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.0,
      "Al2O3": 14.72,
      "B2O3": 4.21,
      "Na2O": 1.94,
      "K2O": 0.32,
      "MgO": 0.03,
      "CaO": 15.42,
      "P2O5": 0.08,
      "TiO2": 5.45,
      "Fe2O3": 0.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 23.2
      },
      {
        "material": "silica",
        "amount": 14.1
      },
      {
        "material": "mason 6600 black stain",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "31558",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.71,
      "Al2O3": 16.09,
      "B2O3": 3.61,
      "Na2O": 3.32,
      "K2O": 1.84,
      "MgO": 0.48,
      "CaO": 10.54,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 6.76,
      "CoO": 1.31,
      "ZnO": 7.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 41.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "calcined kaolin",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.7
      }
    ]
  },
  {
    "id": "31575",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.95,
      "Al2O3": 17.92,
      "B2O3": 2.44,
      "Na2O": 2.49,
      "K2O": 1.06,
      "MgO": 0.07,
      "CaO": 10.53,
      "P2O5": 3.21,
      "TiO2": 0.14,
      "Fe2O3": 9.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.99
      },
      {
        "material": "kaolin 233/",
        "amount": 36.83
      },
      {
        "material": "nepheline syenite",
        "amount": 27.77
      },
      {
        "material": "natronfeldspat lf 90",
        "amount": 21.78
      },
      {
        "material": "red iron oxide",
        "amount": 19.8
      },
      {
        "material": "bone ash",
        "amount": 15.64
      },
      {
        "material": "whiting",
        "amount": 15.64
      },
      {
        "material": "calziumborat 51",
        "amount": 12.48
      },
      {
        "material": "bentonite",
        "amount": 3.96
      },
      {
        "material": "total base recipe",
        "amount": 194.89
      },
      {
        "material": "ep kaolin",
        "amount": 36.83
      },
      {
        "material": "total",
        "amount": 231.72
      }
    ]
  },
  {
    "id": "31582",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.24,
      "Al2O3": 6.42,
      "B2O3": 3.84,
      "Na2O": 1.78,
      "K2O": 8.91,
      "MgO": 1.65,
      "CaO": 6.27,
      "P2O5": 2.29,
      "TiO2": 0.01,
      "Fe2O3": 1.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.9
      },
      {
        "material": "potash feldspar",
        "amount": 26.81
      },
      {
        "material": "wood ash",
        "amount": 14.68
      },
      {
        "material": "gerstley borate",
        "amount": 12.61
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 92.0
      }
    ]
  },
  {
    "id": "31586",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.63,
      "Al2O3": 13.11,
      "B2O3": 3.48,
      "Na2O": 7.05,
      "K2O": 0.84,
      "MgO": 3.63,
      "CaO": 6.16,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "natronfeldspat lf 90",
        "amount": 62.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "calziumborat 51",
        "amount": 8.0
      },
      {
        "material": "kali-feldspat k 2/75",
        "amount": 5.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "31640",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.54,
      "Al2O3": 20.03,
      "Li2O": 4.11,
      "Na2O": 5.8,
      "K2O": 2.78,
      "MgO": 0.08,
      "CaO": 6.07,
      "P2O5": 4.32,
      "TiO2": 0.06,
      "Cr2O3": 2.12,
      "Fe2O3": 9.76,
      "CoO": 1.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.7
      },
      {
        "material": "ep kaolin",
        "amount": 15.8
      },
      {
        "material": "bone ash",
        "amount": 9.5
      },
      {
        "material": "lithium carbonate",
        "amount": 9.5
      },
      {
        "material": "red iron oxide",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31643",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.68,
      "Al2O3": 8.48,
      "B2O3": 6.11,
      "Na2O": 2.03,
      "K2O": 2.76,
      "MgO": 5.49,
      "CaO": 5.33,
      "TiO2": 5.12,
      "Fe2O3": 0.71,
      "ZnO": 2.56,
      "SnO2": 4.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 37.4
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "colemanite",
        "amount": 12.7
      },
      {
        "material": "dolomite",
        "amount": 6.4
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "31657",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.79,
      "Al2O3": 10.26,
      "Na2O": 1.21,
      "K2O": 4.05,
      "MgO": 0.01,
      "CaO": 11.38,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 12.03,
      "ZnO": 9.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.1
      },
      {
        "material": "silica",
        "amount": 18.05
      },
      {
        "material": "whiting",
        "amount": 18.02
      },
      {
        "material": "zinc oxide",
        "amount": 8.28
      },
      {
        "material": "ep kaolin",
        "amount": 8.27
      },
      {
        "material": "total base recipe",
        "amount": 88.72
      },
      {
        "material": "red iron oxide",
        "amount": 11.28
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31658",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.46,
      "Al2O3": 19.51,
      "Na2O": 1.62,
      "K2O": 5.43,
      "MgO": 1.23,
      "CaO": 14.86,
      "P2O5": 1.78,
      "TiO2": 0.03,
      "Fe2O3": 4.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "calcined kaolin",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "31660",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.24,
      "Al2O3": 20.33,
      "Li2O": 1.6,
      "Na2O": 0.95,
      "K2O": 3.2,
      "MgO": 4.9,
      "CaO": 13.42,
      "P2O5": 1.48,
      "TiO2": 0.1,
      "Fe2O3": 0.23,
      "SnO2": 5.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "wollastonite",
        "amount": 4.0
      },
      {
        "material": "bone ash",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "31661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.73,
      "Al2O3": 8.91,
      "Na2O": 2.44,
      "K2O": 1.55,
      "MgO": 0.01,
      "CaO": 13.55,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 1.07,
      "ZnO": 11.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "wollastonite",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31662",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.3,
      "Al2O3": 21.35,
      "Li2O": 3.15,
      "Na2O": 12.53,
      "K2O": 3.83,
      "MgO": 0.09,
      "CaO": 0.59,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31664",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.35,
      "Al2O3": 16.64,
      "Na2O": 7.0,
      "K2O": 3.29,
      "MgO": 0.07,
      "CaO": 27.21,
      "Cr2O3": 2.38,
      "Fe2O3": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 40.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "31665",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.71,
      "Al2O3": 21.28,
      "Na2O": 2.32,
      "K2O": 7.76,
      "MgO": 5.27,
      "CaO": 0.27,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 70.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31666",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.47,
      "Al2O3": 14.04,
      "Na2O": 1.33,
      "K2O": 2.46,
      "MgO": 0.93,
      "CaO": 2.48,
      "BaO": 25.11,
      "P2O5": 0.03,
      "TiO2": 0.22,
      "Fe2O3": 5.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 30.0
      },
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "cornwall stone",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "31668",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.9,
      "Al2O3": 11.04,
      "Na2O": 2.92,
      "K2O": 1.95,
      "MgO": 0.06,
      "CaO": 10.47,
      "P2O5": 4.53,
      "TiO2": 0.0,
      "MnO": 3.59,
      "Fe2O3": 7.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "bone ash",
        "amount": 11.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "manganese carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "31669",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.03,
      "Al2O3": 7.97,
      "B2O3": 2.14,
      "Na2O": 4.1,
      "K2O": 3.39,
      "MgO": 0.07,
      "CaO": 10.05,
      "BaO": 10.37,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "Fe2O3": 0.11,
      "CuO": 0.36,
      "SnO2": 3.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "barium carbonate",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "fusion frit 367",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "31670",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.85,
      "Al2O3": 11.88,
      "B2O3": 4.52,
      "Na2O": 2.13,
      "K2O": 3.21,
      "MgO": 0.05,
      "CaO": 8.53,
      "BaO": 11.44,
      "TiO2": 0.22,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 19.0
      },
      {
        "material": "barium carbonate",
        "amount": 14.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "wollastonite",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "31671",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 23.72,
      "Al2O3": 0.69,
      "B2O3": 16.16,
      "Li2O": 3.07,
      "Na2O": 2.41,
      "K2O": 0.33,
      "MgO": 10.27,
      "CaO": 12.67,
      "P2O5": 0.06,
      "TiO2": 17.68,
      "Fe2O3": 0.38,
      "ZnO": 12.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 48.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 22.0
      },
      {
        "material": "titanium dioxide",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31673",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.62,
      "Al2O3": 24.34,
      "Li2O": 1.24,
      "Na2O": 8.41,
      "K2O": 3.2,
      "MgO": 0.1,
      "CaO": 0.56,
      "TiO2": 0.26,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 47.0
      },
      {
        "material": "minspar 200",
        "amount": 18.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 16.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31674",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.63,
      "Al2O3": 9.88,
      "Na2O": 2.46,
      "K2O": 1.58,
      "MgO": 2.92,
      "CaO": 4.63,
      "BaO": 21.47,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 11.15,
      "Fe2O3": 3.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "barium carbonate",
        "amount": 25.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31677",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.26,
      "Al2O3": 10.9,
      "B2O3": 1.54,
      "Li2O": 8.45,
      "Na2O": 3.47,
      "K2O": 1.61,
      "MgO": 4.98,
      "CaO": 6.27,
      "P2O5": 0.03,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "CuO": 2.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 18.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31678",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.27,
      "Al2O3": 11.08,
      "B2O3": 1.57,
      "Li2O": 8.59,
      "Na2O": 3.53,
      "K2O": 1.64,
      "MgO": 5.06,
      "CaO": 6.38,
      "P2O5": 0.03,
      "TiO2": 0.06,
      "Cr2O3": 0.59,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "lithium carbonate",
        "amount": 18.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "31679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.75,
      "Al2O3": 6.36,
      "B2O3": 1.43,
      "Na2O": 8.26,
      "K2O": 1.28,
      "CaO": 9.49,
      "BaO": 12.62,
      "CuO": 1.4,
      "ZnO": 5.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "31680",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 20.63,
      "Al2O3": 0.5,
      "B2O3": 27.93,
      "Na2O": 8.48,
      "K2O": 0.2,
      "MgO": 25.58,
      "CaO": 9.67,
      "P2O5": 0.05,
      "TiO2": 0.05,
      "ZrO2": 6.71,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 33.33
      },
      {
        "material": "magnesium carbonate",
        "amount": 33.33
      },
      {
        "material": "borax",
        "amount": 26.67
      },
      {
        "material": "silica",
        "amount": 6.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.67
      },
      {
        "material": "total",
        "amount": 106.67
      }
    ]
  },
  {
    "id": "31681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.46,
      "Al2O3": 13.54,
      "B2O3": 8.01,
      "Na2O": 5.2,
      "K2O": 1.28,
      "MgO": 0.04,
      "CaO": 8.49,
      "TiO2": 0.53,
      "ZrO2": 8.33,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 65.75
      },
      {
        "material": "minspar 200",
        "amount": 17.14
      },
      {
        "material": "tile #6 kaolin",
        "amount": 10.82
      },
      {
        "material": "nepheline syenite",
        "amount": 6.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "31682",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 15.5,
      "Al2O3": 1.05,
      "B2O3": 28.06,
      "Na2O": 4.19,
      "K2O": 0.42,
      "MgO": 3.66,
      "CaO": 20.31,
      "P2O5": 0.1,
      "TiO2": 26.28,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 80.0
      },
      {
        "material": "titanium dioxide",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31683",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.17,
      "Al2O3": 13.33,
      "B2O3": 20.0,
      "Na2O": 5.06,
      "K2O": 0.1,
      "MgO": 0.04,
      "CaO": 10.07,
      "TiO2": 0.12,
      "Fe2O3": 0.11,
      "Bi2O3": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 90.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silver nitrate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "bismuth subnitrate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "31684",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.14,
      "Al2O3": 13.98,
      "B2O3": 18.86,
      "Li2O": 1.67,
      "Na2O": 5.52,
      "K2O": 0.46,
      "MgO": 0.23,
      "CaO": 9.84,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "ZnO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 73.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 7.8
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "gerstley borate",
        "amount": 4.9
      },
      {
        "material": "lithium carbonate",
        "amount": 3.9
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31685",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.41,
      "Al2O3": 5.57,
      "B2O3": 3.67,
      "Na2O": 12.09,
      "K2O": 1.88,
      "MgO": 0.22,
      "CaO": 6.07,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 77.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31686",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.54,
      "Al2O3": 10.62,
      "B2O3": 9.46,
      "Na2O": 5.11,
      "K2O": 1.16,
      "MgO": 2.08,
      "CaO": 11.88,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.98,
      "Al2O3": 11.43,
      "B2O3": 10.36,
      "Na2O": 4.77,
      "K2O": 0.69,
      "MgO": 4.22,
      "CaO": 11.13,
      "TiO2": 0.18,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 72.72
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.64
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.64
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31691",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.0,
      "Al2O3": 5.1,
      "B2O3": 18.9,
      "Na2O": 8.42,
      "K2O": 0.03,
      "MgO": 0.01,
      "CaO": 16.2,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.07,
      "SnO2": 9.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 90.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "31696",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.65,
      "Al2O3": 24.38,
      "Na2O": 9.18,
      "K2O": 3.57,
      "MgO": 0.17,
      "CaO": 0.55,
      "P2O5": 0.01,
      "TiO2": 0.15,
      "Fe2O3": 0.46,
      "SnO2": 3.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 74.0
      },
      {
        "material": "ball clay",
        "amount": 11.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "red clay",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 108.4
      }
    ]
  },
  {
    "id": "31699",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.06,
      "Al2O3": 18.12,
      "Li2O": 1.98,
      "Na2O": 7.59,
      "K2O": 2.59,
      "MgO": 0.12,
      "CaO": 1.53,
      "TiO2": 0.24,
      "ZrO2": 3.27,
      "Fe2O3": 2.61,
      "SnO2": 4.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "silicon carbide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 112.9
      }
    ]
  },
  {
    "id": "31702",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 24.36,
      "Li2O": 3.43,
      "Na2O": 9.58,
      "K2O": 2.06,
      "MgO": 0.07,
      "CaO": 0.33,
      "TiO2": 0.11,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 40.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "31713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.72,
      "Al2O3": 22.89,
      "Li2O": 2.15,
      "Na2O": 8.16,
      "K2O": 2.63,
      "MgO": 0.07,
      "CaO": 1.59,
      "TiO2": 0.05,
      "Fe2O3": 2.62,
      "SnO2": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.0
      },
      {
        "material": "kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "silicon carbide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.9
      }
    ]
  },
  {
    "id": "31732",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.04,
      "Al2O3": 9.59,
      "K2O": 5.65,
      "CaO": 8.46,
      "Fe2O3": 11.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.32
      },
      {
        "material": "potash feldspar",
        "amount": 30.85
      },
      {
        "material": "whiting",
        "amount": 13.93
      },
      {
        "material": "red iron oxide",
        "amount": 10.95
      },
      {
        "material": "kaolin",
        "amount": 7.96
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "31772",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.98,
      "Al2O3": 10.6,
      "B2O3": 3.56,
      "Na2O": 4.4,
      "K2O": 1.84,
      "MgO": 1.05,
      "CaO": 10.74,
      "P2O5": 0.24,
      "TiO2": 0.0,
      "Fe2O3": 1.17,
      "CuO": 0.27,
      "ZnO": 3.12,
      "SnO2": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "camadil dolomite",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.9
      }
    ]
  },
  {
    "id": "31809",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.77,
      "Al2O3": 9.99,
      "B2O3": 1.38,
      "Na2O": 9.11,
      "K2O": 3.09,
      "MgO": 2.07,
      "CaO": 6.99,
      "P2O5": 0.05,
      "TiO2": 0.16,
      "Fe2O3": 2.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "31878",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.86,
      "Al2O3": 13.35,
      "Na2O": 0.01,
      "K2O": 8.52,
      "MgO": 0.01,
      "CaO": 12.52,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.08,
      "SnO2": 5.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "potash feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31986",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.51,
      "Al2O3": 12.61,
      "K2O": 8.95,
      "CaO": 7.56,
      "Cr2O3": 0.52,
      "ZnO": 7.26,
      "SnO2": 2.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 51.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "31991",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.1,
      "Al2O3": 20.75,
      "Li2O": 4.25,
      "Na2O": 6.01,
      "K2O": 2.88,
      "MgO": 0.08,
      "CaO": 6.29,
      "P2O5": 4.47,
      "TiO2": 0.07,
      "Fe2O3": 10.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.7
      },
      {
        "material": "ep kaolin",
        "amount": 15.8
      },
      {
        "material": "bone ash",
        "amount": 9.5
      },
      {
        "material": "lithium carbonate",
        "amount": 9.5
      },
      {
        "material": "red iron oxide",
        "amount": 9.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "31998",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.24,
      "Al2O3": 17.12,
      "Li2O": 0.41,
      "Na2O": 6.06,
      "K2O": 2.91,
      "MgO": 0.13,
      "CaO": 0.48,
      "SrO": 14.24,
      "TiO2": 5.17,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "32024",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.89,
      "Al2O3": 11.17,
      "B2O3": 5.87,
      "Na2O": 5.22,
      "K2O": 0.97,
      "MgO": 0.02,
      "CaO": 12.54,
      "SrO": 0.03,
      "BaO": 1.65,
      "P2O5": 0.06,
      "TiO2": 5.42,
      "FeO": 0.02,
      "Fe2O3": 0.19,
      "CoO": 0.67,
      "ZnO": 1.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "32034",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.8,
      "Al2O3": 9.0,
      "B2O3": 4.11,
      "Na2O": 2.45,
      "K2O": 2.06,
      "MgO": 0.65,
      "CaO": 6.96,
      "SrO": 8.5,
      "TiO2": 3.6,
      "Fe2O3": 4.3,
      "CuO": 2.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 24.0
      },
      {
        "material": "gillespie borate",
        "amount": 16.8
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "zettlitzer kaolin",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "32100",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 5.66,
      "Al2O3": 0.38,
      "B2O3": 33.55,
      "Li2O": 5.19,
      "Na2O": 11.9,
      "K2O": 0.15,
      "MgO": 31.82,
      "CaO": 7.42,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "CoO": 0.34,
      "CuO": 3.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "borax",
        "amount": 35.71
      },
      {
        "material": "magnesium carbonate",
        "amount": 35.71
      },
      {
        "material": "gerstley borate",
        "amount": 21.43
      },
      {
        "material": "lithium carbonate",
        "amount": 7.14
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "copper carbonate",
        "amount": 2.9
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 103.19
      }
    ]
  },
  {
    "id": "32101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.28,
      "Al2O3": 8.61,
      "B2O3": 12.8,
      "Na2O": 6.77,
      "K2O": 0.91,
      "MgO": 0.04,
      "CaO": 12.15,
      "P2O5": 0.01,
      "TiO2": 0.94,
      "Fe2O3": 0.2,
      "SnO2": 8.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 45.45
      },
      {
        "material": "ferro frit 3134",
        "amount": 34.09
      },
      {
        "material": "minspar 200",
        "amount": 15.91
      },
      {
        "material": "bentonite",
        "amount": 2.27
      },
      {
        "material": "ep kaolin",
        "amount": 2.27
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 9.09
      },
      {
        "material": "rutile",
        "amount": 1.14
      },
      {
        "material": "total",
        "amount": 110.22
      }
    ]
  },
  {
    "id": "32102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.01,
      "Al2O3": 13.14,
      "B2O3": 10.1,
      "Na2O": 4.62,
      "K2O": 0.55,
      "MgO": 1.16,
      "CaO": 11.95,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "ZnO": 5.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 70.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32103",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.62,
      "Al2O3": 5.17,
      "Na2O": 1.64,
      "K2O": 0.05,
      "MgO": 0.01,
      "CaO": 0.03,
      "BaO": 6.52,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 7.82,
      "Fe2O3": 0.11,
      "PbO": 46.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lead bisilicate frit",
        "amount": 73.91
      },
      {
        "material": "ep kaolin",
        "amount": 14.17
      },
      {
        "material": "barium carbonate",
        "amount": 8.59
      },
      {
        "material": "soda ash",
        "amount": 3.33
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "32105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 32.28,
      "Al2O3": 10.08,
      "Na2O": 0.65,
      "K2O": 2.17,
      "MgO": 0.05,
      "CaO": 13.78,
      "P2O5": 0.03,
      "TiO2": 0.16,
      "Fe2O3": 0.21,
      "Bi2O3": 40.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bismuth oxide",
        "amount": 35.71
      },
      {
        "material": "whiting",
        "amount": 21.43
      },
      {
        "material": "custer feldspar",
        "amount": 17.86
      },
      {
        "material": "ep kaolin",
        "amount": 8.93
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.93
      },
      {
        "material": "silica",
        "amount": 7.14
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.02,
      "Al2O3": 11.36,
      "B2O3": 10.98,
      "Na2O": 5.96,
      "K2O": 1.14,
      "MgO": 0.0,
      "CaO": 15.51,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 77.0
      },
      {
        "material": "minspar 200",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32108",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.01,
      "Al2O3": 10.14,
      "B2O3": 13.33,
      "Na2O": 6.61,
      "K2O": 0.91,
      "MgO": 0.04,
      "CaO": 10.55,
      "P2O5": 0.0,
      "TiO2": 0.01,
      "ZrO2": 8.3,
      "Fe2O3": 0.09,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 34.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 23.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
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    "id": "32109",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.71,
      "Al2O3": 10.74,
      "B2O3": 13.19,
      "Na2O": 4.35,
      "K2O": 0.3,
      "MgO": 2.75,
      "CaO": 9.56,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "ZrO2": 6.25,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 39.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 39.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "32110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.35,
      "Al2O3": 12.32,
      "B2O3": 10.01,
      "Na2O": 5.83,
      "K2O": 1.1,
      "MgO": 0.01,
      "CaO": 10.29,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 72.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "32112",
    "chemical_composition": {
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      "SiO2": 59.25,
      "Al2O3": 10.68,
      "B2O3": 9.5,
      "Na2O": 5.13,
      "K2O": 1.18,
      "MgO": 1.96,
      "CaO": 12.12,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.39,
      "Al2O3": 10.98,
      "B2O3": 11.12,
      "Na2O": 5.08,
      "K2O": 0.57,
      "MgO": 0.01,
      "CaO": 11.38,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 8.35,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 91.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "32114",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.35,
      "Al2O3": 9.48,
      "B2O3": 12.55,
      "Na2O": 5.28,
      "K2O": 1.12,
      "MgO": 0.64,
      "CaO": 13.42,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 52.0
      },
      {
        "material": "gerstley borate",
        "amount": 17.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32115",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 36.42,
      "Al2O3": 14.0,
      "Li2O": 2.46,
      "Na2O": 2.4,
      "K2O": 1.19,
      "MgO": 0.03,
      "CaO": 0.13,
      "BaO": 37.56,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "CuO": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 43.01
      },
      {
        "material": "ep kaolin",
        "amount": 20.43
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.43
      },
      {
        "material": "silica",
        "amount": 10.75
      },
      {
        "material": "lithium carbonate",
        "amount": 5.38
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 7.53
      },
      {
        "material": "total",
        "amount": 107.53
      }
    ]
  },
  {
    "id": "32156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.61,
      "Al2O3": 19.61,
      "Na2O": 8.25,
      "K2O": 3.87,
      "MgO": 0.08,
      "CaO": 6.49,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 80.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32158",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.14,
      "Al2O3": 12.19,
      "B2O3": 2.52,
      "Na2O": 6.56,
      "K2O": 0.04,
      "MgO": 2.91,
      "CaO": 5.56,
      "P2O5": 0.02,
      "TiO2": 3.72,
      "Fe2O3": 0.12,
      "NiO": 1.85,
      "ZnO": 7.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 49.25
      },
      {
        "material": "silica",
        "amount": 17.75
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.5
      },
      {
        "material": "whiting",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "32178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 33.79,
      "Al2O3": 12.87,
      "Na2O": 3.46,
      "K2O": 11.08,
      "MgO": 6.9,
      "CaO": 15.22,
      "P2O5": 6.67,
      "TiO2": 0.37,
      "Cr2O3": 0.54,
      "Fe2O3": 7.75,
      "CoO": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 45.0
      },
      {
        "material": "ball clay",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "32179",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.43,
      "Al2O3": 9.77,
      "B2O3": 7.32,
      "Na2O": 1.54,
      "K2O": 4.94,
      "MgO": 1.45,
      "CaO": 10.84,
      "P2O5": 0.01,
      "TiO2": 0.49,
      "Fe2O3": 0.2,
      "CuO": 0.69,
      "ZnO": 4.27,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "colemanite",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.5
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "32181",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 12.28,
      "Al2O3": 10.44,
      "MnO2": 59.83,
      "CoO": 8.43,
      "CuO": 9.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 61.0
      },
      {
        "material": "kaolin",
        "amount": 23.0
      },
      {
        "material": "cobalt oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.75,
      "Al2O3": 9.1,
      "B2O3": 4.9,
      "Li2O": 0.7,
      "Na2O": 6.69,
      "K2O": 2.15,
      "MgO": 3.83,
      "CaO": 6.43,
      "SrO": 0.07,
      "BaO": 4.26,
      "TiO2": 0.05,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.0
      },
      {
        "material": "cornwall stone",
        "amount": 29.0
      },
      {
        "material": "gillespie borate",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "us pigment inclusion stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "32217",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.64,
      "Al2O3": 7.66,
      "Na2O": 1.08,
      "K2O": 3.59,
      "MgO": 0.0,
      "CaO": 7.37,
      "P2O5": 0.01,
      "TiO2": 3.71,
      "Fe2O3": 0.47,
      "ZnO": 26.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.9
      },
      {
        "material": "zinc oxide",
        "amount": 25.8
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "whiting",
        "amount": 12.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6464 zirconium",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "32241",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.4,
      "Al2O3": 13.38,
      "Na2O": 1.64,
      "K2O": 5.48,
      "MgO": 3.52,
      "CaO": 6.36,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.62
      },
      {
        "material": "silica",
        "amount": 18.65
      },
      {
        "material": "ep kaolin",
        "amount": 10.26
      },
      {
        "material": "talc",
        "amount": 10.24
      },
      {
        "material": "whiting",
        "amount": 10.24
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "32258",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.12,
      "Al2O3": 13.06,
      "B2O3": 10.35,
      "Na2O": 4.73,
      "K2O": 0.56,
      "MgO": 0.02,
      "CaO": 10.61,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "ZrO2": 1.35,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 75.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "32290",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.54,
      "Al2O3": 9.4,
      "B2O3": 3.86,
      "Na2O": 3.38,
      "K2O": 0.78,
      "MgO": 0.02,
      "CaO": 11.61,
      "ZrO2": 11.4,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "32310",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.61,
      "Al2O3": 10.97,
      "Na2O": 2.86,
      "K2O": 1.8,
      "MgO": 0.06,
      "CaO": 7.16,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 7.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "32311",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.63,
      "Al2O3": 11.55,
      "B2O3": 9.16,
      "Na2O": 4.19,
      "K2O": 0.5,
      "MgO": 0.01,
      "CaO": 9.38,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "ZrO2": 5.96,
      "Fe2O3": 0.1,
      "SnO2": 4.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 75.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "32321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.1,
      "Al2O3": 11.99,
      "Na2O": 1.24,
      "K2O": 3.96,
      "MgO": 0.97,
      "CaO": 10.11,
      "TiO2": 0.0,
      "Fe2O3": 0.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "k-200 feldspar",
        "amount": 35.1
      },
      {
        "material": "silica",
        "amount": 28.9
      },
      {
        "material": "wollastonite",
        "amount": 17.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.4
      },
      {
        "material": "dolomite",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "32326",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.98,
      "Al2O3": 16.36,
      "Na2O": 0.95,
      "K2O": 1.24,
      "MgO": 0.04,
      "CaO": 16.76,
      "TiO2": 0.04,
      "Fe2O3": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 25.0
      },
      {
        "material": "kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "32352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.71,
      "Al2O3": 17.07,
      "Na2O": 0.15,
      "K2O": 5.21,
      "MgO": 4.67,
      "CaO": 14.09,
      "P2O5": 3.06,
      "TiO2": 6.07,
      "Fe2O3": 1.06,
      "SnO2": 5.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 26.2
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 15.9
      },
      {
        "material": "dolomite",
        "amount": 10.2
      },
      {
        "material": "whiting",
        "amount": 10.2
      },
      {
        "material": "bone ash",
        "amount": 6.8
      },
      {
        "material": "talc",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.7
      },
      {
        "material": "titanium dioxide",
        "amount": 5.7
      },
      {
        "material": "total",
        "amount": 111.4
      }
    ]
  },
  {
    "id": "32355",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.63,
      "Al2O3": 9.36,
      "B2O3": 2.56,
      "Na2O": 0.38,
      "K2O": 7.84,
      "MgO": 2.43,
      "CaO": 6.33,
      "BaO": 3.71,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.53,
      "CuO": 0.71,
      "ZnO": 1.69,
      "SnO2": 2.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.3
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "dolomite",
        "amount": 9.6
      },
      {
        "material": "gerstley borate",
        "amount": 9.6
      },
      {
        "material": "whiting",
        "amount": 2.8
      },
      {
        "material": "ep kaolin",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "barium carbonate",
        "amount": 4.8
      },
      {
        "material": "tin oxide",
        "amount": 2.8
      },
      {
        "material": "zinc oxide",
        "amount": 1.7
      },
      {
        "material": "copper carbonate",
        "amount": 1.1
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 110.9
      }
    ]
  },
  {
    "id": "32371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.64,
      "Al2O3": 25.52,
      "Na2O": 15.44,
      "K2O": 2.95,
      "MgO": 0.14,
      "CaO": 0.61,
      "P2O5": 0.05,
      "TiO2": 0.27,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.91
      },
      {
        "material": "ep kaolin",
        "amount": 18.18
      },
      {
        "material": "soda ash",
        "amount": 17.27
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.82
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.82
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32506",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.98,
      "Al2O3": 13.56,
      "B2O3": 6.69,
      "Na2O": 5.58,
      "K2O": 2.26,
      "MgO": 1.58,
      "CaO": 7.37,
      "P2O5": 0.04,
      "TiO2": 3.71,
      "Fe2O3": 2.6,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.2
      },
      {
        "material": "gerstley borate",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 18.9
      },
      {
        "material": "ep kaolin",
        "amount": 5.7
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "talc",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "32554",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.25,
      "Al2O3": 16.82,
      "K2O": 9.37,
      "CaO": 9.32,
      "MnO2": 4.81,
      "Fe2O3": 5.26,
      "CoO": 5.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "cobalt oxide",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32567",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.81,
      "Al2O3": 13.44,
      "Na2O": 1.01,
      "K2O": 3.35,
      "MgO": 0.12,
      "CaO": 14.55,
      "TiO2": 0.35,
      "Fe2O3": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.53
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.63
      },
      {
        "material": "silica",
        "amount": 25.63
      },
      {
        "material": "whiting",
        "amount": 22.22
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "32569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.3,
      "Al2O3": 17.19,
      "Na2O": 4.07,
      "K2O": 3.77,
      "MgO": 2.96,
      "CaO": 9.6,
      "P2O5": 0.08,
      "TiO2": 0.23,
      "Fe2O3": 3.41,
      "CoO": 3.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 68.81
      },
      {
        "material": "nepheline syenite",
        "amount": 22.94
      },
      {
        "material": "whiting",
        "amount": 8.26
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.01
      }
    ]
  },
  {
    "id": "32571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.3,
      "Al2O3": 7.38,
      "B2O3": 2.82,
      "Na2O": 4.17,
      "K2O": 13.39,
      "MgO": 4.53,
      "CaO": 13.1,
      "P2O5": 7.27,
      "TiO2": 0.47,
      "Fe2O3": 7.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "redart",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32605",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.41,
      "Al2O3": 13.2,
      "Na2O": 1.7,
      "K2O": 6.93,
      "MgO": 0.01,
      "CaO": 7.27,
      "P2O5": 0.02,
      "TiO2": 4.08,
      "Fe2O3": 0.54,
      "CoO": 1.4,
      "CuO": 0.75,
      "ZnO": 6.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kali-feldspat k 2/75",
        "amount": 78.0
      },
      {
        "material": "silica",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 16.4
      },
      {
        "material": "zinc oxide",
        "amount": 8.9
      },
      {
        "material": "ep kaolin",
        "amount": 7.8
      },
      {
        "material": "total base recipe",
        "amount": 133.5
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 142.5
      }
    ]
  },
  {
    "id": "32608",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.47,
      "Al2O3": 17.46,
      "Li2O": 0.45,
      "Na2O": 6.1,
      "K2O": 2.94,
      "MgO": 0.06,
      "CaO": 0.43,
      "SrO": 14.55,
      "TiO2": 0.02,
      "Fe2O3": 0.06,
      "CoO": 1.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "petalite",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "kaolin 233/",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "32615",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.21,
      "Al2O3": 37.03,
      "Na2O": 0.5,
      "K2O": 2.28,
      "MgO": 0.37,
      "CaO": 0.25,
      "P2O5": 0.05,
      "TiO2": 1.25,
      "Fe2O3": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "hawthorne bond",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.5
      },
      {
        "material": "custer feldspar",
        "amount": 11.0
      },
      {
        "material": "kyanite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32666",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.31,
      "Al2O3": 9.97,
      "Li2O": 1.54,
      "Na2O": 0.06,
      "K2O": 7.47,
      "MgO": 5.12,
      "CaO": 7.92,
      "P2O5": 6.0,
      "Fe2O3": 9.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.7
      },
      {
        "material": "talc",
        "amount": 16.9
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.4
      },
      {
        "material": "kaolin",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "32669",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.21,
      "Al2O3": 25.49,
      "Na2O": 0.96,
      "K2O": 1.61,
      "MgO": 0.49,
      "CaO": 2.96,
      "BaO": 0.42,
      "P2O5": 0.02,
      "TiO2": 1.07,
      "Fe2O3": 1.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 70.0
      },
      {
        "material": "goldart",
        "amount": 10.0
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 5.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "grog",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "barium carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "32718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.73,
      "Al2O3": 26.26,
      "B2O3": 0.76,
      "Li2O": 2.5,
      "Na2O": 3.56,
      "K2O": 1.81,
      "MgO": 0.15,
      "CaO": 0.34,
      "TiO2": 0.42,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "borax",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "32750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.18,
      "Al2O3": 11.19,
      "B2O3": 6.6,
      "Na2O": 3.27,
      "K2O": 0.16,
      "MgO": 0.0,
      "CaO": 19.37,
      "Cr2O3": 0.23,
      "Fe2O3": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.5
      },
      {
        "material": "kaolin",
        "amount": 21.5
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.2
      }
    ]
  },
  {
    "id": "32816",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 14.3,
      "Al2O3": 6.06,
      "Na2O": 0.1,
      "K2O": 0.22,
      "MgO": 0.07,
      "CaO": 0.07,
      "TiO2": 0.24,
      "MnO2": 63.11,
      "Fe2O3": 0.25,
      "CuO": 15.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 60.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "copper carbonate",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "32823",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.33,
      "Al2O3": 11.92,
      "B2O3": 4.2,
      "Li2O": 1.77,
      "Na2O": 2.54,
      "K2O": 2.23,
      "MgO": 0.0,
      "CaO": 3.67,
      "SrO": 1.3,
      "P2O5": 0.01,
      "TiO2": 4.63,
      "ZrO2": 3.1,
      "Fe2O3": 0.06,
      "ZnO": 9.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 24.0
      },
      {
        "material": "spodumene",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "32871",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.87,
      "Al2O3": 20.95,
      "Li2O": 4.16,
      "Na2O": 5.98,
      "K2O": 2.86,
      "MgO": 0.08,
      "CaO": 6.15,
      "P2O5": 4.37,
      "TiO2": 5.04,
      "ZrO2": 3.34,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 61.25
      },
      {
        "material": "ep kaolin",
        "amount": 18.22
      },
      {
        "material": "bone ash",
        "amount": 10.26
      },
      {
        "material": "lithium carbonate",
        "amount": 10.26
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 109.99
      }
    ]
  },
  {
    "id": "32872",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.25,
      "Al2O3": 13.48,
      "Li2O": 1.4,
      "Na2O": 4.75,
      "K2O": 3.3,
      "MgO": 1.65,
      "CaO": 3.42,
      "TiO2": 4.92,
      "Fe2O3": 0.03,
      "NiO": 0.93,
      "ZnO": 5.41,
      "SnO2": 2.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 70.0
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "dolomite",
        "amount": 7.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.5
      },
      {
        "material": "lithium carbonate",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "nickel carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "32879",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.4,
      "Al2O3": 12.26,
      "B2O3": 2.63,
      "Na2O": 6.55,
      "K2O": 1.08,
      "MgO": 2.84,
      "CaO": 5.6,
      "P2O5": 0.04,
      "TiO2": 6.19,
      "Fe2O3": 2.43,
      "CoO": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "minspar 200",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 11.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "32888",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.76,
      "Al2O3": 12.25,
      "B2O3": 2.63,
      "Na2O": 1.94,
      "K2O": 2.96,
      "MgO": 0.3,
      "CaO": 13.23,
      "SrO": 0.7,
      "P2O5": 0.05,
      "TiO2": 12.94,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.87
      },
      {
        "material": "silica",
        "amount": 20.9
      },
      {
        "material": "whiting",
        "amount": 20.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.93
      },
      {
        "material": "gerstley borate",
        "amount": 6.97
      },
      {
        "material": "nepheline syenite",
        "amount": 6.47
      },
      {
        "material": "ferro frit 3195",
        "amount": 3.48
      },
      {
        "material": "strontium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.02
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "play sand testing",
        "amount": 10.0
      },
      {
        "material": "silicon carbide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "silicon carbide #120 testing",
        "amount": 2.0
      },
      {
        "material": "silicon carbide #80 testing",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 131.02
      }
    ]
  },
  {
    "id": "32926",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.73,
      "Al2O3": 16.5,
      "Li2O": 1.41,
      "Na2O": 5.51,
      "K2O": 2.58,
      "MgO": 0.06,
      "CaO": 0.4,
      "SrO": 18.21,
      "TiO2": 4.43,
      "Fe2O3": 1.63,
      "CoO": 1.55,
      "SnO2": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.02
      },
      {
        "material": "strontium carbonate",
        "amount": 26.32
      },
      {
        "material": "silica",
        "amount": 7.02
      },
      {
        "material": "kaolin",
        "amount": 6.14
      },
      {
        "material": "lithium carbonate",
        "amount": 3.51
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.5
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.51
      }
    ]
  },
  {
    "id": "32952",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.01,
      "Al2O3": 16.12,
      "Na2O": 4.44,
      "K2O": 2.11,
      "MgO": 0.42,
      "CaO": 23.99,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.21,
      "MnO": 0.03,
      "Fe2O3": 0.21,
      "SnO2": 6.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 106.2
      }
    ]
  },
  {
    "id": "33027",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.71,
      "Al2O3": 12.13,
      "B2O3": 3.26,
      "Li2O": 2.66,
      "Na2O": 2.85,
      "K2O": 3.99,
      "MgO": 0.03,
      "CaO": 16.62,
      "TiO2": 0.0,
      "Cr2O3": 0.11,
      "Fe2O3": 0.12,
      "SnO2": 6.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 47.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "calcium borate frit",
        "amount": 6.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "tin oxide",
        "amount": 6.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 107.1
      }
    ]
  },
  {
    "id": "33031",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.74,
      "Al2O3": 10.26,
      "Na2O": 1.08,
      "K2O": 1.65,
      "MgO": 4.5,
      "CaO": 19.28,
      "P2O5": 1.9,
      "TiO2": 0.05,
      "Cr2O3": 0.56,
      "Fe2O3": 0.16,
      "SnO2": 7.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 29.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "tin oxide",
        "amount": 7.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "33043",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.1,
      "Al2O3": 13.9,
      "Li2O": 2.54,
      "Na2O": 10.55,
      "K2O": 2.44,
      "MgO": 0.21,
      "CaO": 9.54,
      "Cr2O3": 0.42,
      "Fe2O3": 0.11,
      "SnO2": 5.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 48.0
      },
      {
        "material": "fusion frit 413",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 107.4
      }
    ]
  },
  {
    "id": "33045",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.37,
      "Al2O3": 13.89,
      "Li2O": 1.95,
      "Na2O": 0.03,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 21.6,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Cr2O3": 0.48,
      "Fe2O3": 0.28,
      "SnO2": 6.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 32.0
      },
      {
        "material": "ep kaolin",
        "amount": 31.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 104.4
      }
    ]
  },
  {
    "id": "33046",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.03,
      "Al2O3": 11.98,
      "B2O3": 5.41,
      "Li2O": 1.3,
      "Na2O": 2.4,
      "K2O": 1.92,
      "MgO": 0.56,
      "CaO": 3.75,
      "SrO": 3.16,
      "P2O5": 0.02,
      "TiO2": 6.97,
      "ZrO2": 3.03,
      "MnO": 1.11,
      "Fe2O3": 0.35,
      "ZnO": 9.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3249",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "33064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.03,
      "Al2O3": 17.88,
      "Na2O": 6.24,
      "K2O": 3.0,
      "MgO": 4.67,
      "CaO": 6.76,
      "TiO2": 0.11,
      "ZrO2": 9.92,
      "Fe2O3": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 67.55
      },
      {
        "material": "dolomite",
        "amount": 22.26
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.19
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 16.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 121.25
      }
    ]
  },
  {
    "id": "33074",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.78,
      "Al2O3": 10.94,
      "Na2O": 1.24,
      "K2O": 3.95,
      "MgO": 0.67,
      "CaO": 12.76,
      "TiO2": 0.0,
      "Fe2O3": 0.64,
      "SnO2": 1.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 41.0
      },
      {
        "material": "wollastonite",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "33080",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.86,
      "Al2O3": 20.31,
      "B2O3": 5.15,
      "Na2O": 3.58,
      "K2O": 1.82,
      "MgO": 0.1,
      "CaO": 14.57,
      "TiO2": 0.0,
      "Fe2O3": 0.09,
      "ZnO": 0.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "глазурь s-0104",
        "amount": 35.0
      },
      {
        "material": "каолин кальцинированный микао",
        "amount": 21.0
      },
      {
        "material": "карбонат кальция",
        "amount": 19.0
      },
      {
        "material": "нефелин сиенит (altaflux-45)",
        "amount": 16.0
      },
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "33113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.82,
      "Al2O3": 12.63,
      "B2O3": 2.25,
      "Na2O": 1.0,
      "K2O": 7.41,
      "MgO": 3.14,
      "CaO": 11.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "33203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.69,
      "Al2O3": 13.33,
      "Li2O": 2.37,
      "Na2O": 5.09,
      "K2O": 1.36,
      "MgO": 0.18,
      "CaO": 3.41,
      "MnO": 0.01,
      "Fe2O3": 0.11,
      "CoO": 1.26,
      "ZnO": 14.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.93
      },
      {
        "material": "spodumene",
        "amount": 22.24
      },
      {
        "material": "silica",
        "amount": 21.86
      },
      {
        "material": "zinc oxide",
        "amount": 14.14
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 7.07
      },
      {
        "material": "soda ash",
        "amount": 4.35
      },
      {
        "material": "lithium carbonate",
        "amount": 1.42
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "33211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.54,
      "Al2O3": 16.0,
      "B2O3": 0.87,
      "Li2O": 2.34,
      "Na2O": 1.94,
      "K2O": 5.19,
      "CaO": 11.68,
      "SrO": 9.74,
      "TiO2": 5.64,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.6
      },
      {
        "material": "whiting",
        "amount": 16.8
      },
      {
        "material": "kaolin",
        "amount": 14.6
      },
      {
        "material": "strontium carbonate",
        "amount": 12.3
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.6
      },
      {
        "material": "lithium carbonate",
        "amount": 5.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "33212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.68,
      "Al2O3": 11.69,
      "Li2O": 2.78,
      "Na2O": 2.77,
      "K2O": 1.34,
      "MgO": 7.47,
      "CaO": 5.33,
      "P2O5": 0.04,
      "TiO2": 5.27,
      "ZrO2": 3.51,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.95
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 16.05
      },
      {
        "material": "ep kaolin",
        "amount": 13.17
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "lithium carbonate",
        "amount": 6.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "33230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.46,
      "Al2O3": 16.93,
      "Na2O": 6.37,
      "CaO": 11.01,
      "TiO2": 4.07,
      "Fe2O3": 0.1,
      "CuO": 2.09,
      "ZnO": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 51.6
      },
      {
        "material": "whiting",
        "amount": 18.8
      },
      {
        "material": "kaolin",
        "amount": 15.4
      },
      {
        "material": "zinc oxide",
        "amount": 8.6
      },
      {
        "material": "silica",
        "amount": 5.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "33247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 32.78,
      "Al2O3": 12.66,
      "B2O3": 6.69,
      "Li2O": 0.64,
      "Na2O": 2.0,
      "K2O": 0.32,
      "MgO": 1.19,
      "CaO": 5.47,
      "P2O5": 0.02,
      "TiO2": 0.83,
      "MnO2": 30.52,
      "Fe2O3": 1.79,
      "NiO": 2.58,
      "CuO": 2.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "apm 112",
        "amount": 57.0
      },
      {
        "material": "gerstley borate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 45.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "black nickel oxide",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 153.3
      }
    ]
  },
  {
    "id": "33312",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.87,
      "Al2O3": 11.33,
      "Li2O": 2.7,
      "Na2O": 2.68,
      "K2O": 1.3,
      "MgO": 7.24,
      "CaO": 5.17,
      "P2O5": 0.03,
      "TiO2": 7.84,
      "ZrO2": 3.4,
      "Fe2O3": 0.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.95
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 16.05
      },
      {
        "material": "ep kaolin",
        "amount": 13.17
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "lithium carbonate",
        "amount": 6.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "33352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.89,
      "Al2O3": 10.77,
      "B2O3": 5.61,
      "Na2O": 2.49,
      "K2O": 3.52,
      "MgO": 1.51,
      "CaO": 6.92,
      "Fe2O3": 8.09,
      "CoO": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "33389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.56,
      "Al2O3": 13.01,
      "Li2O": 2.99,
      "Na2O": 3.04,
      "K2O": 1.46,
      "MgO": 8.07,
      "CaO": 5.75,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.22,
      "CoO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 27.2
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "dolomite",
        "amount": 16.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.3
      },
      {
        "material": "talc",
        "amount": 11.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "33390",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.47,
      "Al2O3": 12.8,
      "Li2O": 2.77,
      "Na2O": 3.31,
      "K2O": 1.58,
      "MgO": 7.76,
      "CaO": 6.24,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.21,
      "CoO": 2.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.74
      },
      {
        "material": "silica",
        "amount": 25.42
      },
      {
        "material": "dolomite",
        "amount": 16.62
      },
      {
        "material": "ep kaolin",
        "amount": 11.26
      },
      {
        "material": "talc",
        "amount": 10.28
      },
      {
        "material": "lithium carbonate",
        "amount": 6.12
      },
      {
        "material": "whiting",
        "amount": 0.55
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.99
      }
    ]
  },
  {
    "id": "33391",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.41,
      "Al2O3": 12.71,
      "Li2O": 2.75,
      "Na2O": 3.28,
      "K2O": 1.57,
      "MgO": 7.32,
      "CaO": 6.86,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.21,
      "CoO": 2.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.44
      },
      {
        "material": "silica",
        "amount": 26.19
      },
      {
        "material": "dolomite",
        "amount": 16.45
      },
      {
        "material": "ep kaolin",
        "amount": 11.15
      },
      {
        "material": "talc",
        "amount": 9.09
      },
      {
        "material": "lithium carbonate",
        "amount": 6.06
      },
      {
        "material": "whiting",
        "amount": 1.62
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "33392",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.27,
      "Al2O3": 12.71,
      "Li2O": 2.75,
      "Na2O": 3.29,
      "K2O": 1.57,
      "MgO": 6.94,
      "CaO": 7.38,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.21,
      "CoO": 2.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.36
      },
      {
        "material": "silica",
        "amount": 26.66
      },
      {
        "material": "dolomite",
        "amount": 16.41
      },
      {
        "material": "ep kaolin",
        "amount": 11.12
      },
      {
        "material": "talc",
        "amount": 7.99
      },
      {
        "material": "lithium carbonate",
        "amount": 6.04
      },
      {
        "material": "whiting",
        "amount": 2.43
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.01
      }
    ]
  },
  {
    "id": "33405",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.62,
      "Al2O3": 10.72,
      "B2O3": 4.43,
      "Na2O": 2.62,
      "K2O": 1.56,
      "MgO": 3.48,
      "CaO": 8.64,
      "P2O5": 0.09,
      "TiO2": 0.09,
      "Cr2O3": 0.19,
      "MnO": 0.01,
      "Fe2O3": 0.26,
      "SnO2": 7.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.5
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "33458",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.02,
      "Al2O3": 16.33,
      "Na2O": 3.83,
      "K2O": 1.86,
      "MgO": 0.06,
      "CaO": 0.31,
      "SrO": 20.48,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 9.81,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "33504",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.06,
      "Al2O3": 9.68,
      "B2O3": 3.83,
      "Na2O": 0.59,
      "K2O": 8.7,
      "MgO": 1.59,
      "CaO": 12.48,
      "SrO": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gillespie borate",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "us pigment inclusion stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "33556",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.72,
      "Al2O3": 8.99,
      "B2O3": 0.1,
      "Li2O": 1.51,
      "Na2O": 2.19,
      "K2O": 3.66,
      "MgO": 5.21,
      "CaO": 7.32,
      "P2O5": 5.52,
      "TiO2": 0.03,
      "Fe2O3": 10.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer - new",
        "amount": 50.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "33587",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.27,
      "Al2O3": 8.22,
      "B2O3": 6.04,
      "Na2O": 0.93,
      "K2O": 7.21,
      "MgO": 0.96,
      "CaO": 12.59,
      "SrO": 3.26,
      "ZrO2": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gillespie borate",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "us pigment inclusion stain",
        "amount": 8.0
      },
      {
        "material": "zircopax",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "33591",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.23,
      "Al2O3": 9.6,
      "B2O3": 3.42,
      "Li2O": 0.63,
      "Na2O": 1.13,
      "K2O": 2.51,
      "MgO": 5.69,
      "CaO": 6.97,
      "P2O5": 2.95,
      "TiO2": 0.07,
      "FeO": 0.51,
      "Fe2O3": 9.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 21.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 8.0
      },
      {
        "material": "bone ash",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 9.0
      },
      {
        "material": "black iron oxide",
        "amount": 2.0
      },
      {
        "material": "cmc gum",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "33592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.84,
      "Al2O3": 7.92,
      "B2O3": 6.99,
      "Na2O": 2.39,
      "K2O": 4.37,
      "MgO": 1.11,
      "CaO": 9.74,
      "SrO": 0.13,
      "TiO2": 2.72,
      "ZrO2": 2.74,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.76
      },
      {
        "material": "gillespie borate",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "whiting",
        "amount": 4.82
      },
      {
        "material": "zircopax",
        "amount": 3.61
      },
      {
        "material": "titanium dioxide",
        "amount": 2.41
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "mason stain #6219 french",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 104.0
      },
      {
        "material": "specific gravity",
        "amount": 1.44
      }
    ]
  },
  {
    "id": "33629",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.81,
      "Al2O3": 10.35,
      "Na2O": 0.04,
      "K2O": 7.22,
      "MgO": 0.03,
      "CaO": 8.9,
      "TiO2": 2.81,
      "Fe2O3": 0.4,
      "CoO": 1.26,
      "CuO": 3.87,
      "ZnO": 5.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 42.1
      },
      {
        "material": "silica",
        "amount": 26.3
      },
      {
        "material": "whiting",
        "amount": 15.8
      },
      {
        "material": "ball clay",
        "amount": 10.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "33652",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.35,
      "Al2O3": 11.64,
      "B2O3": 4.71,
      "Na2O": 2.73,
      "K2O": 2.14,
      "MgO": 0.02,
      "CaO": 14.1,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "33653",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.06,
      "Al2O3": 9.01,
      "B2O3": 3.38,
      "Na2O": 3.24,
      "K2O": 0.95,
      "MgO": 0.07,
      "CaO": 14.95,
      "TiO2": 0.19,
      "Fe2O3": 0.21,
      "SnO2": 7.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "33720",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.8,
      "Al2O3": 17.35,
      "B2O3": 2.0,
      "Li2O": 0.7,
      "Na2O": 10.45,
      "K2O": 2.23,
      "MgO": 0.06,
      "CaO": 8.08,
      "P2O5": 0.03,
      "TiO2": 2.96,
      "Fe2O3": 0.12,
      "NiO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "nickel carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "33722",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.46,
      "Al2O3": 16.95,
      "B2O3": 4.16,
      "Na2O": 4.48,
      "K2O": 1.32,
      "MgO": 0.03,
      "CaO": 13.31,
      "SrO": 12.02,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 1.65,
      "CoO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 22.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 103.3
      }
    ]
  },
  {
    "id": "33734",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.16,
      "Al2O3": 10.82,
      "B2O3": 1.27,
      "Na2O": 2.87,
      "K2O": 2.18,
      "MgO": 1.81,
      "CaO": 9.6,
      "P2O5": 0.04,
      "TiO2": 0.15,
      "MnO": 0.01,
      "MnO2": 4.96,
      "Fe2O3": 7.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 37.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red stain",
        "amount": 8.0
      },
      {
        "material": "manganese dioxide",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "33739",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.69,
      "Al2O3": 9.68,
      "K2O": 8.94,
      "MgO": 3.01,
      "CaO": 3.71,
      "Fe2O3": 8.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 56.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "33753",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.99,
      "Al2O3": 12.51,
      "Na2O": 0.81,
      "K2O": 3.04,
      "MgO": 0.03,
      "CaO": 10.26,
      "P2O5": 0.08,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 32.23
      },
      {
        "material": "wollastonite",
        "amount": 20.42
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 19.62
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "33779",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.17,
      "Al2O3": 10.76,
      "B2O3": 1.29,
      "Na2O": 2.89,
      "K2O": 2.2,
      "MgO": 1.61,
      "CaO": 10.17,
      "P2O5": 0.04,
      "TiO2": 0.14,
      "MnO": 3.55,
      "Fe2O3": 7.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 37.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "ball clay",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6021 dark red",
        "amount": 8.0
      },
      {
        "material": "manganese carbonate",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "33801",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.59,
      "Al2O3": 15.37,
      "Na2O": 0.87,
      "K2O": 2.93,
      "MgO": 0.03,
      "CaO": 16.0,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 3.47,
      "CuO": 0.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "33834",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.3,
      "Al2O3": 8.7,
      "B2O3": 2.52,
      "Na2O": 1.73,
      "K2O": 4.56,
      "MgO": 2.39,
      "CaO": 9.93,
      "BaO": 3.65,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.1,
      "CuO": 0.36,
      "ZnO": 1.88,
      "SnO2": 2.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.02
      },
      {
        "material": "silica",
        "amount": 24.68
      },
      {
        "material": "dolomite",
        "amount": 8.34
      },
      {
        "material": "gerstley borate",
        "amount": 8.34
      },
      {
        "material": "whiting",
        "amount": 8.06
      },
      {
        "material": "barium carbonate",
        "amount": 4.17
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "ep kaolin",
        "amount": 2.22
      },
      {
        "material": "zinc oxide",
        "amount": 1.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "33835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 10.56,
      "B2O3": 1.02,
      "Na2O": 2.3,
      "K2O": 6.16,
      "CaO": 14.88,
      "Fe2O3": 0.06,
      "CuO": 1.77,
      "SnO2": 3.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 56.12
      },
      {
        "material": "whiting",
        "amount": 22.45
      },
      {
        "material": "silica",
        "amount": 14.29
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.08
      },
      {
        "material": "tin oxide",
        "amount": 3.06
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "33839",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.71,
      "Al2O3": 12.78,
      "B2O3": 5.46,
      "Na2O": 5.31,
      "K2O": 2.21,
      "MgO": 0.76,
      "CaO": 4.28,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "CuO": 5.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "33840",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.61,
      "Al2O3": 13.42,
      "B2O3": 3.86,
      "Na2O": 5.4,
      "K2O": 3.19,
      "MgO": 0.55,
      "CaO": 9.51,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CuO": 0.18,
      "SnO2": 1.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 42.05
      },
      {
        "material": "silica",
        "amount": 22.42
      },
      {
        "material": "gerstley borate",
        "amount": 13.1
      },
      {
        "material": "whiting",
        "amount": 10.33
      },
      {
        "material": "custer feldspar",
        "amount": 9.07
      },
      {
        "material": "ep kaolin",
        "amount": 2.02
      },
      {
        "material": "tin oxide",
        "amount": 1.01
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.25
      }
    ]
  },
  {
    "id": "33842",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 11.16,
      "B2O3": 4.73,
      "Na2O": 2.19,
      "K2O": 5.01,
      "MgO": 0.63,
      "CaO": 11.23,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.67,
      "CuO": 0.34,
      "SnO2": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.92
      },
      {
        "material": "silica",
        "amount": 19.01
      },
      {
        "material": "gerstley borate",
        "amount": 15.78
      },
      {
        "material": "whiting",
        "amount": 12.17
      },
      {
        "material": "ep kaolin",
        "amount": 6.27
      },
      {
        "material": "tin oxide",
        "amount": 2.85
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.47
      },
      {
        "material": "red iron oxide",
        "amount": 0.47
      },
      {
        "material": "total",
        "amount": 100.94
      }
    ]
  },
  {
    "id": "34015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.01,
      "Al2O3": 11.86,
      "B2O3": 4.56,
      "Na2O": 2.61,
      "K2O": 2.46,
      "MgO": 0.11,
      "CaO": 14.14,
      "TiO2": 0.0,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin grolleg jäger testing",
        "amount": 21.48
      },
      {
        "material": "silica",
        "amount": 20.86
      },
      {
        "material": "wollastonite",
        "amount": 20.72
      },
      {
        "material": "ferro frit 3134",
        "amount": 19.82
      },
      {
        "material": "feldspat kali k2/75 jäger",
        "amount": 17.12
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "34020",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.13,
      "Al2O3": 12.56,
      "B2O3": 5.33,
      "Li2O": 0.44,
      "Na2O": 2.74,
      "K2O": 5.07,
      "MgO": 0.12,
      "CaO": 14.47,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 21.5
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cmc gum",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "34021",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.95,
      "Al2O3": 9.29,
      "B2O3": 3.3,
      "Na2O": 3.37,
      "K2O": 1.02,
      "MgO": 0.07,
      "CaO": 14.62,
      "TiO2": 0.19,
      "Cr2O3": 0.21,
      "Fe2O3": 0.21,
      "SnO2": 7.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "34101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.53,
      "Al2O3": 9.72,
      "B2O3": 2.25,
      "Na2O": 2.41,
      "K2O": 5.19,
      "MgO": 5.91,
      "CaO": 4.57,
      "MnO2": 2.67,
      "Fe2O3": 0.11,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 43.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "34102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.14,
      "Al2O3": 12.31,
      "B2O3": 2.22,
      "Na2O": 4.12,
      "K2O": 2.08,
      "MgO": 0.01,
      "CaO": 10.93,
      "P2O5": 0.01,
      "TiO2": 1.84,
      "Fe2O3": 0.27,
      "CoO": 0.03,
      "SnO2": 4.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 106.05
      }
    ]
  },
  {
    "id": "34107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.65,
      "Al2O3": 14.65,
      "B2O3": 2.24,
      "Na2O": 5.71,
      "K2O": 2.33,
      "MgO": 0.05,
      "CaO": 10.62,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "MnO2": 0.44,
      "Fe2O3": 0.09,
      "CoO": 0.09,
      "SnO2": 5.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "cobalt oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.6
      }
    ]
  },
  {
    "id": "34117",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.46,
      "Al2O3": 25.92,
      "Li2O": 1.65,
      "Na2O": 6.37,
      "K2O": 4.95,
      "MgO": 0.98,
      "CaO": 3.18,
      "P2O5": 1.94,
      "TiO2": 0.11,
      "Fe2O3": 1.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.83
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "wood ash",
        "amount": 13.26
      },
      {
        "material": "soda ash",
        "amount": 2.91
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "34189",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 12.28,
      "Na2O": 1.55,
      "K2O": 2.21,
      "MgO": 0.35,
      "CaO": 8.61,
      "P2O5": 0.08,
      "TiO2": 5.75,
      "FeO": 1.36,
      "Fe2O3": 0.74,
      "CoO": 1.28,
      "ZnO": 8.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "34231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.78,
      "Al2O3": 11.17,
      "Li2O": 1.16,
      "Na2O": 1.31,
      "K2O": 4.22,
      "MgO": 3.06,
      "CaO": 7.56,
      "P2O5": 5.64,
      "TiO2": 0.04,
      "Fe2O3": 10.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "red iron oxide",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.5
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 109.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "34345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.69,
      "Al2O3": 15.05,
      "B2O3": 3.49,
      "Na2O": 1.92,
      "K2O": 4.44,
      "MgO": 4.1,
      "CaO": 8.17,
      "P2O5": 0.01,
      "TiO2": 0.03,
      "FeO": 0.05,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "caulim branco minasolo",
        "amount": 17.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 17.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.64,
      "Al2O3": 1.72,
      "B2O3": 1.23,
      "Li2O": 1.56,
      "Na2O": 7.08,
      "K2O": 1.1,
      "CaO": 2.92,
      "TiO2": 5.17,
      "Fe2O3": 0.57,
      "CoO": 0.75,
      "ZnO": 21.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.25
      },
      {
        "material": "total base recipe",
        "amount": 7.25
      },
      {
        "material": "ferro frit 3110",
        "amount": 48.5
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "zinc oxide",
        "amount": 22.2
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "34381",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.26,
      "Al2O3": 14.82,
      "B2O3": 3.63,
      "Na2O": 3.86,
      "K2O": 1.61,
      "MgO": 3.74,
      "CaO": 6.94,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.09,
      "CuO": 1.31,
      "ZnO": 1.7,
      "SnO2": 4.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.33
      },
      {
        "material": "kaolin",
        "amount": 16.67
      },
      {
        "material": "silica",
        "amount": 16.67
      },
      {
        "material": "gerstley borate",
        "amount": 13.33
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 8.33
      },
      {
        "material": "tin oxide",
        "amount": 3.96
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.67
      },
      {
        "material": "total",
        "amount": 105.96
      }
    ]
  },
  {
    "id": "34412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.09,
      "Al2O3": 7.69,
      "B2O3": 6.79,
      "Na2O": 2.32,
      "K2O": 4.25,
      "MgO": 1.08,
      "CaO": 9.47,
      "SrO": 0.12,
      "TiO2": 2.64,
      "ZrO2": 2.66,
      "Fe2O3": 0.04,
      "CoO": 0.17,
      "CuO": 2.12,
      "SnO2": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.76
      },
      {
        "material": "gillespie borate",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 24.1
      },
      {
        "material": "whiting",
        "amount": 4.82
      },
      {
        "material": "zircopax",
        "amount": 3.61
      },
      {
        "material": "titanium dioxide",
        "amount": 2.41
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "tin oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 102.75
      }
    ]
  },
  {
    "id": "34415",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.06,
      "Al2O3": 9.98,
      "Na2O": 0.06,
      "K2O": 6.11,
      "MgO": 0.04,
      "CaO": 7.32,
      "TiO2": 4.2,
      "Fe2O3": 2.07,
      "ZnO": 11.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 34.9
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "ball clay",
        "amount": 13.8
      },
      {
        "material": "whiting",
        "amount": 12.8
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "34455",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.07,
      "Al2O3": 24.72,
      "Na2O": 16.93,
      "K2O": 3.05,
      "MgO": 0.1,
      "CaO": 0.62,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 19.0
      },
      {
        "material": "minspar 200",
        "amount": 11.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34475",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.57,
      "Al2O3": 9.08,
      "Li2O": 3.06,
      "Na2O": 0.0,
      "K2O": 6.56,
      "MgO": 0.01,
      "CaO": 7.84,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 3.02,
      "NiO": 1.07,
      "ZnO": 25.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.0
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "34478",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.81,
      "Al2O3": 6.51,
      "Na2O": 1.03,
      "K2O": 4.18,
      "CaO": 20.0,
      "TiO2": 0.0,
      "Fe2O3": 9.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "whiting",
        "amount": 33.0
      },
      {
        "material": "kalifältspat ngp testing",
        "amount": 33.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "34522",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.07,
      "Al2O3": 11.24,
      "B2O3": 2.61,
      "Na2O": 5.97,
      "K2O": 0.87,
      "MgO": 2.98,
      "CaO": 5.47,
      "TiO2": 3.68,
      "Fe2O3": 0.13,
      "NiO": 1.83,
      "ZnO": 9.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "34523",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.07,
      "Al2O3": 11.85,
      "B2O3": 2.75,
      "Na2O": 6.29,
      "K2O": 0.92,
      "MgO": 3.14,
      "CaO": 5.76,
      "TiO2": 6.61,
      "Fe2O3": 3.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 26.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "dolomite",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.6
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "34524",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.44,
      "Al2O3": 21.88,
      "Li2O": 2.62,
      "Na2O": 9.81,
      "K2O": 3.28,
      "MgO": 0.14,
      "CaO": 1.74,
      "TiO2": 0.26,
      "Fe2O3": 2.68,
      "SnO2": 2.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 62.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "soda ash",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 2.5
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "34525",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.49,
      "Al2O3": 22.89,
      "Li2O": 1.63,
      "Na2O": 10.12,
      "K2O": 2.92,
      "MgO": 0.1,
      "CaO": 0.46,
      "TiO2": 0.12,
      "Fe2O3": 0.19,
      "SnO2": 4.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "soda ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "34526",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.14,
      "Al2O3": 10.51,
      "B2O3": 3.73,
      "Na2O": 4.0,
      "K2O": 12.9,
      "MgO": 2.25,
      "CaO": 10.07,
      "P2O5": 4.46,
      "TiO2": 4.41,
      "Fe2O3": 3.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 34.4
      },
      {
        "material": "potash feldspar",
        "amount": 34.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.2
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "34527",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.08,
      "Al2O3": 13.17,
      "B2O3": 2.51,
      "Na2O": 4.09,
      "K2O": 0.3,
      "MgO": 6.03,
      "CaO": 11.21,
      "P2O5": 4.25,
      "TiO2": 0.33,
      "Fe2O3": 10.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 33.0
      },
      {
        "material": "soda feldspar",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 11.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "34568",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.07,
      "Al2O3": 12.35,
      "Na2O": 5.75,
      "K2O": 0.02,
      "MgO": 0.04,
      "CaO": 10.21,
      "Fe2O3": 0.08,
      "CuO": 1.07,
      "ZnO": 6.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "34576",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.74,
      "Al2O3": 9.75,
      "B2O3": 4.77,
      "K2O": 6.0,
      "MgO": 3.41,
      "CaO": 11.51,
      "ZrO2": 6.45,
      "CuO": 1.08,
      "SnO2": 4.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 7.5
      },
      {
        "material": "talc",
        "amount": 6.5
      },
      {
        "material": "zirconium dioxide",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "34586",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.28,
      "Al2O3": 17.39,
      "B2O3": 4.14,
      "Na2O": 2.63,
      "K2O": 6.4,
      "MgO": 4.19,
      "CaO": 8.71,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "FeO": 0.05,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 48.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 17.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.04,
      "Al2O3": 9.98,
      "Na2O": 1.33,
      "K2O": 4.18,
      "MgO": 0.01,
      "CaO": 9.24,
      "TiO2": 2.76,
      "FeO": 0.03,
      "Fe2O3": 0.34,
      "CoO": 0.96,
      "CuO": 3.05,
      "ZnO": 5.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 37.0
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "34606",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.59,
      "Al2O3": 8.96,
      "K2O": 8.28,
      "CaO": 5.26,
      "ZnO": 22.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "zinc oxide",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34626",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.39,
      "Al2O3": 14.04,
      "B2O3": 3.93,
      "Na2O": 4.63,
      "K2O": 2.5,
      "MgO": 0.93,
      "CaO": 12.53,
      "P2O5": 0.01,
      "TiO2": 0.03,
      "Cr2O3": 1.13,
      "FeO": 0.02,
      "Fe2O3": 0.14,
      "CoO": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 32.0
      },
      {
        "material": "feldespato potassico #200 remina",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 10.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "34630",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.56,
      "Al2O3": 12.33,
      "Na2O": 2.16,
      "K2O": 6.91,
      "MgO": 1.21,
      "CaO": 9.43,
      "Cr2O3": 5.21,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 66.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "34632",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.4,
      "Al2O3": 20.84,
      "Na2O": 7.55,
      "K2O": 3.54,
      "MgO": 1.2,
      "CaO": 3.83,
      "TiO2": 3.08,
      "Fe2O3": 0.08,
      "CoO": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "kaolin",
        "amount": 7.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "34633",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.9,
      "Al2O3": 13.15,
      "Li2O": 2.34,
      "Na2O": 5.02,
      "K2O": 1.34,
      "MgO": 0.17,
      "CaO": 3.37,
      "TiO2": 1.78,
      "MnO": 0.01,
      "Fe2O3": 0.31,
      "NiO": 0.62,
      "ZnO": 13.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.93
      },
      {
        "material": "spodumene",
        "amount": 22.24
      },
      {
        "material": "silica",
        "amount": 21.86
      },
      {
        "material": "zinc oxide",
        "amount": 14.14
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 7.07
      },
      {
        "material": "soda ash",
        "amount": 4.35
      },
      {
        "material": "lithium carbonate",
        "amount": 1.42
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "nickel carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.01
      }
    ]
  },
  {
    "id": "34635",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.12,
      "Al2O3": 13.29,
      "Li2O": 2.43,
      "Na2O": 5.18,
      "K2O": 1.37,
      "MgO": 0.48,
      "CaO": 3.49,
      "MnO": 0.01,
      "Fe2O3": 0.04,
      "ZnO": 14.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.93
      },
      {
        "material": "spodumene",
        "amount": 22.24
      },
      {
        "material": "silica",
        "amount": 21.86
      },
      {
        "material": "zinc oxide",
        "amount": 14.14
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 7.07
      },
      {
        "material": "soda ash",
        "amount": 4.35
      },
      {
        "material": "lithium carbonate",
        "amount": 1.42
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "epsom salts",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "34637",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.32,
      "Al2O3": 9.31,
      "Na2O": 1.64,
      "K2O": 5.48,
      "CaO": 4.88,
      "TiO2": 4.4,
      "Fe2O3": 0.54,
      "NiO": 0.98,
      "ZnO": 25.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 56.0
      },
      {
        "material": "zinc oxide",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.6
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "34702",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.74,
      "Al2O3": 14.27,
      "Li2O": 0.51,
      "Na2O": 5.07,
      "K2O": 2.43,
      "MgO": 0.12,
      "CaO": 0.4,
      "BaO": 29.03,
      "TiO2": 0.08,
      "Fe2O3": 0.21,
      "CuO": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 11.4
      },
      {
        "material": "barium carbonate",
        "amount": 8.4
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "ball clay",
        "amount": 1.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.75
      },
      {
        "material": "bentonite",
        "amount": 0.5
      },
      {
        "material": "lithium carbonate",
        "amount": 0.28
      },
      {
        "material": "total",
        "amount": 25.13
      }
    ]
  },
  {
    "id": "34706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.98,
      "Al2O3": 20.84,
      "Na2O": 6.36,
      "K2O": 3.0,
      "MgO": 0.82,
      "CaO": 3.54,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "dolomite",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 55.5
      }
    ]
  },
  {
    "id": "34707",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.59,
      "Al2O3": 13.35,
      "Na2O": 0.5,
      "K2O": 6.42,
      "MgO": 0.1,
      "CaO": 7.45,
      "TiO2": 0.0,
      "Fe2O3": 7.43,
      "ZnO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34710",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.21,
      "Al2O3": 13.49,
      "Na2O": 0.38,
      "K2O": 4.67,
      "MgO": 2.31,
      "CaO": 8.8,
      "TiO2": 0.01,
      "Fe2O3": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 7.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 2.5
      },
      {
        "material": "whiting",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 26.5
      },
      {
        "material": "bentonite",
        "amount": 0.75
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 28.0
      }
    ]
  },
  {
    "id": "34713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 24.62,
      "Al2O3": 20.11,
      "Na2O": 0.04,
      "K2O": 0.19,
      "MgO": 0.06,
      "CaO": 9.16,
      "BaO": 41.81,
      "P2O5": 0.14,
      "TiO2": 0.2,
      "Fe2O3": 1.94,
      "CuO": 1.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "34714",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.33,
      "Al2O3": 11.11,
      "Na2O": 6.68,
      "K2O": 0.01,
      "MgO": 1.26,
      "CaO": 8.04,
      "Fe2O3": 0.54,
      "CuO": 0.23,
      "ZnO": 3.42,
      "SnO2": 1.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 52.63
      },
      {
        "material": "silica",
        "amount": 26.3
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "dolomite",
        "amount": 5.3
      },
      {
        "material": "zinc oxide",
        "amount": 3.2
      },
      {
        "material": "tin oxide",
        "amount": 1.3
      },
      {
        "material": "bentonite",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.33
      },
      {
        "material": "total",
        "amount": 100.86
      }
    ]
  },
  {
    "id": "34715",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.71,
      "Al2O3": 22.61,
      "Li2O": 1.47,
      "Na2O": 8.24,
      "K2O": 1.86,
      "MgO": 0.14,
      "CaO": 0.46,
      "P2O5": 0.06,
      "TiO2": 0.1,
      "Fe2O3": 0.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "spodumene",
        "amount": 4.0
      },
      {
        "material": "soda ash",
        "amount": 2.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 23.6
      }
    ]
  },
  {
    "id": "34716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.95,
      "Al2O3": 21.53,
      "Na2O": 6.04,
      "K2O": 3.16,
      "MgO": 0.79,
      "CaO": 3.35,
      "TiO2": 0.01,
      "Fe2O3": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.9
      },
      {
        "material": "grolleg kaolin",
        "amount": 17.24
      },
      {
        "material": "silica",
        "amount": 15.51
      },
      {
        "material": "bentonite",
        "amount": 3.44
      },
      {
        "material": "whiting",
        "amount": 3.44
      },
      {
        "material": "dolomite",
        "amount": 2.58
      },
      {
        "material": "red iron oxide",
        "amount": 0.86
      },
      {
        "material": "total",
        "amount": 99.97
      }
    ]
  },
  {
    "id": "34717",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.99,
      "Al2O3": 17.33,
      "Na2O": 0.26,
      "K2O": 3.83,
      "MgO": 0.03,
      "CaO": 14.8,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "MnO2": 0.94,
      "Fe2O3": 6.91,
      "CuO": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 31.03
      },
      {
        "material": "whiting",
        "amount": 24.13
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 24.13
      },
      {
        "material": "silica",
        "amount": 20.68
      },
      {
        "material": "total base recipe",
        "amount": 99.97
      },
      {
        "material": "red iron oxide",
        "amount": 6.45
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.42
      }
    ]
  },
  {
    "id": "34718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.06,
      "Al2O3": 22.87,
      "Na2O": 5.78,
      "K2O": 2.77,
      "MgO": 0.17,
      "CaO": 19.81,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "34719",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.17,
      "Al2O3": 7.03,
      "Na2O": 0.3,
      "K2O": 4.58,
      "MgO": 0.68,
      "CaO": 14.89,
      "P2O5": 0.21,
      "TiO2": 0.0,
      "Fe2O3": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 43.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 28.22
      },
      {
        "material": "whiting",
        "amount": 21.5
      },
      {
        "material": "dolomite",
        "amount": 2.68
      },
      {
        "material": "grolleg kaolin",
        "amount": 2.68
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "bentonite",
        "amount": 0.44
      },
      {
        "material": "bone ash",
        "amount": 0.44
      },
      {
        "material": "total",
        "amount": 99.96
      }
    ]
  },
  {
    "id": "34720",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.84,
      "Al2O3": 12.45,
      "Na2O": 0.51,
      "K2O": 7.63,
      "MgO": 0.41,
      "CaO": 5.97,
      "P2O5": 0.06,
      "TiO2": 0.28,
      "Fe2O3": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 45.0
      },
      {
        "material": "redart",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "34722",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.45,
      "Al2O3": 9.78,
      "Na2O": 0.03,
      "K2O": 7.55,
      "MgO": 0.95,
      "CaO": 11.15,
      "P2O5": 0.29,
      "TiO2": 0.0,
      "Fe2O3": 1.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.09
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 15.32
      },
      {
        "material": "dolomite",
        "amount": 3.83
      },
      {
        "material": "grolleg kaolin",
        "amount": 3.83
      },
      {
        "material": "red iron oxide",
        "amount": 1.67
      },
      {
        "material": "bentonite",
        "amount": 0.63
      },
      {
        "material": "bone ash",
        "amount": 0.63
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34743",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.32,
      "Al2O3": 13.44,
      "B2O3": 1.9,
      "Li2O": 0.27,
      "Na2O": 3.69,
      "K2O": 1.82,
      "MgO": 0.18,
      "CaO": 11.05,
      "TiO2": 0.12,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar (maxum la, minerco)",
        "amount": 28.3
      },
      {
        "material": "wollastonite",
        "amount": 22.3
      },
      {
        "material": "kaolin (wbh,minerco)",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 17.2
      },
      {
        "material": "frit 6004",
        "amount": 7.6
      },
      {
        "material": "petalite",
        "amount": 5.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "34745",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.62,
      "Al2O3": 15.63,
      "Na2O": 4.45,
      "K2O": 2.2,
      "MgO": 30.87,
      "CaO": 7.57,
      "TiO2": 0.4,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "magnesium carbonate",
        "amount": 50.0
      },
      {
        "material": "nepheline syenite",
        "amount": 35.0
      },
      {
        "material": "bell dark ball clay",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "34751",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.67,
      "Al2O3": 12.55,
      "B2O3": 6.94,
      "Na2O": 4.25,
      "K2O": 1.72,
      "MgO": 1.49,
      "CaO": 9.37,
      "P2O5": 0.05,
      "TiO2": 5.22,
      "MnO": 0.0,
      "Fe2O3": 0.83,
      "CoO": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 32.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "minspar 200",
        "amount": 12.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "vansil w-20 wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "34787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.66,
      "Al2O3": 19.88,
      "Na2O": 7.09,
      "K2O": 3.43,
      "MgO": 13.36,
      "CaO": 0.54,
      "TiO2": 0.13,
      "ZrO2": 3.72,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "34788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.82,
      "Al2O3": 2.33,
      "B2O3": 1.48,
      "Li2O": 2.82,
      "Na2O": 8.57,
      "K2O": 1.33,
      "MgO": 0.03,
      "CaO": 3.54,
      "Fe2O3": 40.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 89.0
      },
      {
        "material": "red iron oxide",
        "amount": 67.0
      },
      {
        "material": "lithium carbonate",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 169.0
      }
    ]
  },
  {
    "id": "34789",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.06,
      "Al2O3": 13.09,
      "Na2O": 5.16,
      "K2O": 6.97,
      "MgO": 7.32,
      "CaO": 5.19,
      "P2O5": 3.19,
      "TiO2": 0.18,
      "Fe2O3": 4.48,
      "CoO": 2.62,
      "CuO": 3.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.0
      },
      {
        "material": "wood ash",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 19.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 19.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "34904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.51,
      "Al2O3": 12.69,
      "Na2O": 2.59,
      "K2O": 4.7,
      "MgO": 0.12,
      "CaO": 9.76,
      "TiO2": 0.29,
      "Fe2O3": 11.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "34938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.68,
      "Al2O3": 10.5,
      "Na2O": 3.68,
      "K2O": 1.74,
      "MgO": 0.04,
      "CaO": 5.27,
      "P2O5": 0.01,
      "TiO2": 4.71,
      "ZrO2": 3.15,
      "Fe2O3": 0.07,
      "CoO": 1.18,
      "ZnO": 15.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.5
      }
    ]
  },
  {
    "id": "34967",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.8,
      "Al2O3": 17.35,
      "B2O3": 2.0,
      "Li2O": 0.7,
      "Na2O": 10.45,
      "K2O": 2.23,
      "MgO": 0.06,
      "CaO": 8.08,
      "P2O5": 0.03,
      "TiO2": 2.96,
      "Fe2O3": 0.12,
      "CoO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "35001",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.81,
      "Al2O3": 16.64,
      "Na2O": 0.69,
      "K2O": 7.86,
      "MgO": 0.05,
      "CaO": 11.03,
      "TiO2": 3.69,
      "Fe2O3": 6.22,
      "ZnO": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 42.3
      },
      {
        "material": "cornwall stone",
        "amount": 20.6
      },
      {
        "material": "whiting",
        "amount": 19.6
      },
      {
        "material": "ball clay",
        "amount": 9.3
      },
      {
        "material": "calcined kaolin",
        "amount": 8.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.2
      },
      {
        "material": "rutile",
        "amount": 4.1
      },
      {
        "material": "zinc oxide",
        "amount": 3.1
      },
      {
        "material": "total",
        "amount": 113.4
      }
    ]
  },
  {
    "id": "35004",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.56,
      "Al2O3": 16.96,
      "B2O3": 1.95,
      "Li2O": 0.69,
      "Na2O": 10.21,
      "K2O": 2.18,
      "MgO": 0.06,
      "CaO": 7.9,
      "P2O5": 0.02,
      "TiO2": 5.47,
      "Fe2O3": 0.4,
      "CoO": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "35005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.67,
      "Al2O3": 10.5,
      "Na2O": 3.68,
      "K2O": 1.74,
      "MgO": 0.04,
      "CaO": 5.27,
      "P2O5": 0.01,
      "TiO2": 4.71,
      "ZrO2": 3.15,
      "Fe2O3": 0.07,
      "CuO": 1.21,
      "ZnO": 15.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.5
      }
    ]
  },
  {
    "id": "35010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.56,
      "Al2O3": 16.95,
      "B2O3": 1.95,
      "Li2O": 0.69,
      "Na2O": 10.21,
      "K2O": 2.18,
      "MgO": 0.06,
      "CaO": 7.89,
      "P2O5": 0.02,
      "TiO2": 5.47,
      "Fe2O3": 0.4,
      "CuO": 0.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "35113",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.53,
      "Al2O3": 12.36,
      "Na2O": 1.35,
      "K2O": 5.17,
      "MgO": 0.08,
      "CaO": 11.31,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 43.7
      },
      {
        "material": "wollastonite",
        "amount": 22.77
      },
      {
        "material": "silica",
        "amount": 21.6
      },
      {
        "material": "ep kaolin",
        "amount": 11.93
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "35328",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.34,
      "Al2O3": 12.47,
      "B2O3": 3.17,
      "Na2O": 6.04,
      "K2O": 2.18,
      "MgO": 0.05,
      "CaO": 11.46,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.07,
      "CuO": 0.14,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.4
      },
      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "whiting",
        "amount": 14.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.1
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "35348",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.56,
      "Al2O3": 19.69,
      "Na2O": 8.28,
      "K2O": 3.89,
      "MgO": 0.08,
      "CaO": 6.42,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 84.0
      },
      {
        "material": "wollastonite",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "35374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.24,
      "Al2O3": 8.64,
      "B2O3": 5.9,
      "Na2O": 2.07,
      "K2O": 4.06,
      "MgO": 1.5,
      "CaO": 12.19,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.16,
      "CuO": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.25
      },
      {
        "material": "silica",
        "amount": 27.42
      },
      {
        "material": "gerstley borate",
        "amount": 19.59
      },
      {
        "material": "whiting",
        "amount": 10.77
      },
      {
        "material": "ep kaolin",
        "amount": 4.03
      },
      {
        "material": "dolomite",
        "amount": 2.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "35488",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.03,
      "Al2O3": 14.53,
      "B2O3": 2.48,
      "Li2O": 0.94,
      "Na2O": 2.32,
      "K2O": 0.63,
      "MgO": 3.05,
      "CaO": 10.96,
      "P2O5": 3.33,
      "TiO2": 0.08,
      "Fe2O3": 9.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.6
      },
      {
        "material": "nepheline syenite",
        "amount": 11.8
      },
      {
        "material": "spodumene",
        "amount": 11.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "bone ash",
        "amount": 7.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.9
      }
    ]
  },
  {
    "id": "35497",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.45,
      "Al2O3": 14.12,
      "B2O3": 3.53,
      "Na2O": 4.07,
      "K2O": 1.24,
      "MgO": 0.05,
      "CaO": 10.22,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite",
        "amount": 24.5
      },
      {
        "material": "ep kaolin",
        "amount": 20.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "35532",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.25,
      "Al2O3": 10.31,
      "B2O3": 5.46,
      "Na2O": 5.39,
      "K2O": 0.19,
      "MgO": 0.1,
      "CaO": 7.06,
      "TiO2": 0.19,
      "Fe2O3": 0.26,
      "SnO2": 4.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "soda feldspar",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "35558",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.42,
      "Al2O3": 18.17,
      "B2O3": 3.15,
      "Na2O": 3.18,
      "K2O": 1.54,
      "MgO": 3.82,
      "CaO": 9.38,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "silica",
        "amount": 8.5
      },
      {
        "material": "calcined kaolin",
        "amount": 5.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "35560",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.81,
      "Al2O3": 12.33,
      "B2O3": 3.61,
      "Na2O": 3.62,
      "K2O": 1.3,
      "MgO": 0.08,
      "CaO": 2.04,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "ZnO": 18.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "nepheline syenite",
        "amount": 27.0
      },
      {
        "material": "zinc oxide",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "35562",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.68,
      "Al2O3": 12.34,
      "Li2O": 0.51,
      "Na2O": 0.74,
      "K2O": 2.27,
      "MgO": 0.11,
      "CaO": 11.2,
      "SrO": 3.07,
      "P2O5": 0.02,
      "TiO2": 0.2,
      "Fe2O3": 1.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "custer feldspar",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.0
      },
      {
        "material": "petalite",
        "amount": 9.5
      },
      {
        "material": "ep kaolin",
        "amount": 6.5
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "35833",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.58,
      "Al2O3": 7.96,
      "B2O3": 0.02,
      "Na2O": 1.57,
      "K2O": 7.85,
      "MgO": 2.19,
      "CaO": 11.58,
      "P2O5": 5.78,
      "TiO2": 0.16,
      "Fe2O3": 15.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 30.0
      },
      {
        "material": "red oak ash testing",
        "amount": 25.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "35835",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.32,
      "Al2O3": 9.38,
      "B2O3": 0.02,
      "Na2O": 1.07,
      "K2O": 6.6,
      "MgO": 4.43,
      "CaO": 3.17,
      "P2O5": 0.35,
      "TiO2": 0.4,
      "Fe2O3": 17.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 40.0
      },
      {
        "material": "red oak ash testing",
        "amount": 30.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 127.0
      },
      {
        "material": "red iron oxide",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 145.0
      }
    ]
  },
  {
    "id": "35928",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.89,
      "Al2O3": 10.77,
      "B2O3": 5.61,
      "Na2O": 2.49,
      "K2O": 3.52,
      "MgO": 1.51,
      "CaO": 6.92,
      "Fe2O3": 8.09,
      "CoO": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "35939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.8,
      "Al2O3": 6.15,
      "B2O3": 1.93,
      "Li2O": 5.05,
      "Na2O": 2.85,
      "K2O": 1.23,
      "MgO": 1.76,
      "CaO": 9.27,
      "BaO": 1.72,
      "P2O5": 0.01,
      "TiO2": 3.49,
      "Fe2O3": 0.44,
      "SnO2": 3.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.5
      },
      {
        "material": "nepheline syenite",
        "amount": 23.6
      },
      {
        "material": "whiting",
        "amount": 12.4
      },
      {
        "material": "lithium carbonate",
        "amount": 11.2
      },
      {
        "material": "gerstley borate",
        "amount": 6.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.8
      },
      {
        "material": "barium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.5
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "35970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.17,
      "Al2O3": 7.76,
      "B2O3": 3.09,
      "Na2O": 2.69,
      "K2O": 4.17,
      "MgO": 2.02,
      "CaO": 10.76,
      "SrO": 3.2,
      "P2O5": 0.74,
      "Fe2O3": 0.12,
      "CuO": 0.56,
      "SnO2": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.2
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.5
      },
      {
        "material": "dolomite",
        "amount": 8.3
      },
      {
        "material": "wollastonite",
        "amount": 8.1
      },
      {
        "material": "strontium carbonate",
        "amount": 4.2
      },
      {
        "material": "bone ash",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 92.9
      },
      {
        "material": "tin oxide",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 98.2
      }
    ]
  },
  {
    "id": "35987",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.16,
      "Al2O3": 7.86,
      "B2O3": 2.02,
      "Na2O": 1.66,
      "K2O": 4.38,
      "MgO": 2.03,
      "CaO": 8.81,
      "SrO": 6.77,
      "P2O5": 0.01,
      "TiO2": 3.73,
      "Fe2O3": 0.56,
      "CuO": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.8
      },
      {
        "material": "silica",
        "amount": 27.5
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "strontium carbonate",
        "amount": 9.1
      },
      {
        "material": "gerstley borate",
        "amount": 7.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.9
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.4
      }
    ]
  },
  {
    "id": "35999",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.1,
      "Al2O3": 17.01,
      "B2O3": 5.07,
      "Na2O": 2.34,
      "K2O": 0.37,
      "MgO": 0.04,
      "CaO": 18.57,
      "P2O5": 0.09,
      "TiO2": 0.14,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 36.0
      },
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "36039",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.32,
      "Al2O3": 10.05,
      "B2O3": 4.72,
      "Na2O": 3.45,
      "K2O": 2.38,
      "MgO": 0.02,
      "CaO": 5.71,
      "BaO": 12.81,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.55,
      "Fe2O3": 0.13,
      "ZnO": 0.3,
      "F": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "ferro frit 3269",
        "amount": 28.5
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "36077",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.47,
      "Al2O3": 15.68,
      "B2O3": 3.35,
      "Na2O": 4.34,
      "K2O": 1.7,
      "MgO": 1.22,
      "CaO": 5.15,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 6.73,
      "CoO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.04
      },
      {
        "material": "silica",
        "amount": 19.27
      },
      {
        "material": "ep kaolin",
        "amount": 13.95
      },
      {
        "material": "ferro frit 3195",
        "amount": 13.77
      },
      {
        "material": "red iron oxide",
        "amount": 6.42
      },
      {
        "material": "whiting",
        "amount": 5.05
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.82
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 3.67
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "36095",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.83,
      "Al2O3": 11.76,
      "Na2O": 2.71,
      "K2O": 3.61,
      "MgO": 3.03,
      "CaO": 13.96,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "FeO": 1.38,
      "Fe2O3": 1.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "granite",
        "amount": 67.15
      },
      {
        "material": "limestone",
        "amount": 20.74
      },
      {
        "material": "cuda-clay, yellow brick clay",
        "amount": 12.11
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36104",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.36,
      "Al2O3": 10.97,
      "Na2O": 1.57,
      "K2O": 5.23,
      "MgO": 5.71,
      "CaO": 8.11,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 8.38,
      "Fe2O3": 0.1,
      "CoO": 0.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zircopax",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "36118",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.77,
      "Al2O3": 12.12,
      "B2O3": 5.99,
      "Na2O": 2.67,
      "K2O": 3.76,
      "MgO": 1.61,
      "CaO": 7.41,
      "Fe2O3": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "36123",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.29,
      "Al2O3": 22.38,
      "B2O3": 5.71,
      "Na2O": 2.8,
      "K2O": 1.01,
      "MgO": 0.25,
      "CaO": 6.0,
      "P2O5": 0.03,
      "TiO2": 0.65,
      "MnO": 0.0,
      "MnO2": 0.0,
      "Fe2O3": 0.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "salt lick",
        "amount": 10.0
      },
      {
        "material": "new foundry hill creme",
        "amount": 10.0
      },
      {
        "material": "cedar heights clay",
        "amount": 10.0
      },
      {
        "material": "imco sandy white testing",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "grog",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "36127",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.2,
      "Al2O3": 20.9,
      "B2O3": 0.79,
      "Na2O": 8.8,
      "K2O": 4.0,
      "MgO": 2.61,
      "CaO": 1.42,
      "Fe2O3": 0.15,
      "CuO": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 86.37
      },
      {
        "material": "talc",
        "amount": 7.86
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.77
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.2
      }
    ]
  },
  {
    "id": "36128",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.44,
      "Al2O3": 12.87,
      "B2O3": 3.6,
      "Na2O": 4.25,
      "K2O": 2.29,
      "MgO": 0.85,
      "CaO": 11.48,
      "P2O5": 0.01,
      "TiO2": 3.75,
      "FeO": 0.02,
      "Fe2O3": 6.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 32.0
      },
      {
        "material": "feldespato potassico #200 remina",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 10.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "36291",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.16,
      "Al2O3": 11.3,
      "B2O3": 2.7,
      "Na2O": 1.83,
      "K2O": 3.66,
      "MgO": 0.05,
      "CaO": 9.08,
      "P2O5": 0.02,
      "TiO2": 2.72,
      "Fe2O3": 0.47,
      "CoO": 0.88,
      "CuO": 2.69,
      "ZnO": 4.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.3
      },
      {
        "material": "silica",
        "amount": 24.6
      },
      {
        "material": "whiting",
        "amount": 13.6
      },
      {
        "material": "ferro frit 3195",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.2
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.4
      },
      {
        "material": "total",
        "amount": 110.6
      }
    ]
  },
  {
    "id": "36296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.29,
      "Al2O3": 10.68,
      "B2O3": 3.3,
      "Na2O": 2.08,
      "K2O": 3.99,
      "MgO": 3.71,
      "CaO": 5.82,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 9.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 17.5
      },
      {
        "material": "ferro frit 3195",
        "amount": 15.5
      },
      {
        "material": "talc",
        "amount": 12.2
      },
      {
        "material": "whiting",
        "amount": 7.6
      },
      {
        "material": "ep kaolin",
        "amount": 5.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "36321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.37,
      "Al2O3": 19.22,
      "Na2O": 8.08,
      "K2O": 3.79,
      "MgO": 0.08,
      "CaO": 7.37,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 82.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36337",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.65,
      "Al2O3": 7.59,
      "B2O3": 14.61,
      "Na2O": 2.2,
      "K2O": 0.58,
      "MgO": 1.96,
      "CaO": 10.59,
      "P2O5": 0.05,
      "TiO2": 5.95,
      "Fe2O3": 1.0,
      "CuO": 2.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 17.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "36338",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.51,
      "Al2O3": 7.72,
      "B2O3": 14.69,
      "Na2O": 2.21,
      "K2O": 0.29,
      "MgO": 1.94,
      "CaO": 10.67,
      "P2O5": 0.1,
      "TiO2": 6.05,
      "Fe2O3": 1.02,
      "CuO": 2.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "36340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.92,
      "Al2O3": 11.82,
      "B2O3": 5.8,
      "Na2O": 4.05,
      "K2O": 1.62,
      "MgO": 0.8,
      "CaO": 9.67,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.37,
      "Al2O3": 14.64,
      "B2O3": 0.64,
      "Li2O": 1.89,
      "Na2O": 1.76,
      "K2O": 4.85,
      "MgO": 0.1,
      "CaO": 10.62,
      "SrO": 8.9,
      "TiO2": 14.1,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar (1989)",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 17.3
      },
      {
        "material": "tile #6 kaolin",
        "amount": 14.9
      },
      {
        "material": "strontium carbonate",
        "amount": 12.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 4.6
      },
      {
        "material": "lithium carbonate",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 13.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.8
      }
    ]
  },
  {
    "id": "36343",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.94,
      "Al2O3": 2.84,
      "B2O3": 1.34,
      "Na2O": 7.77,
      "K2O": 1.22,
      "MgO": 0.04,
      "CaO": 3.2,
      "P2O5": 0.0,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "NiO": 2.12,
      "ZnO": 25.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 52.5
      },
      {
        "material": "zinc oxide",
        "amount": 26.4
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.2
      }
    ]
  },
  {
    "id": "36345",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.04,
      "Al2O3": 2.37,
      "B2O3": 2.24,
      "Li2O": 0.43,
      "Na2O": 8.19,
      "K2O": 1.27,
      "MgO": 0.15,
      "CaO": 3.94,
      "P2O5": 0.0,
      "TiO2": 0.0,
      "Fe2O3": 0.08,
      "NiO": 2.91,
      "ZnO": 23.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 54.2
      },
      {
        "material": "zinc oxide",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 17.3
      },
      {
        "material": "gerstley borate",
        "amount": 3.3
      },
      {
        "material": "lithium carbonate",
        "amount": 1.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "36387",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.75,
      "Al2O3": 9.54,
      "B2O3": 3.67,
      "Na2O": 2.08,
      "K2O": 4.7,
      "MgO": 0.53,
      "CaO": 10.27,
      "P2O5": 1.18,
      "TiO2": 0.03,
      "FeO": 0.04,
      "Fe2O3": 6.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 37.6
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.4
      },
      {
        "material": "whiting",
        "amount": 9.6
      },
      {
        "material": "iron oxide",
        "amount": 5.8
      },
      {
        "material": "caulim branco minasolo",
        "amount": 3.3
      },
      {
        "material": "bone ash",
        "amount": 2.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.9,
      "Al2O3": 13.16,
      "B2O3": 3.57,
      "Na2O": 2.2,
      "K2O": 5.3,
      "MgO": 0.48,
      "CaO": 12.23,
      "P2O5": 0.01,
      "TiO2": 4.3,
      "FeO": 0.04,
      "Fe2O3": 2.13,
      "CoO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 44.3
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "whiting",
        "amount": 15.9
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "caulim terra nova testing",
        "amount": 10.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "36391",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 13.27,
      "B2O3": 3.44,
      "Na2O": 3.99,
      "K2O": 0.29,
      "MgO": 3.99,
      "CaO": 7.53,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "ZrO2": 5.75,
      "FeO": 0.01,
      "Fe2O3": 0.09,
      "ZnO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "caulim branco minasolo",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "36407",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.16,
      "Al2O3": 12.8,
      "Na2O": 1.73,
      "K2O": 5.46,
      "MgO": 0.01,
      "CaO": 10.7,
      "TiO2": 0.02,
      "Cr2O3": 0.52,
      "FeO": 0.04,
      "Fe2O3": 0.04,
      "ZnO": 6.27,
      "SnO2": 5.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldespato potassico #200 remina",
        "amount": 47.0
      },
      {
        "material": "silica",
        "amount": 19.4
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 9.6
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "36410",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.15,
      "Al2O3": 12.65,
      "B2O3": 3.4,
      "Na2O": 4.83,
      "K2O": 2.09,
      "MgO": 7.22,
      "CaO": 5.06,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.21,
      "CoO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "36414",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.35,
      "Al2O3": 9.47,
      "B2O3": 5.23,
      "Na2O": 4.45,
      "K2O": 0.3,
      "MgO": 0.74,
      "CaO": 15.52,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.27,
      "Fe2O3": 0.22,
      "SnO2": 5.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 107.25
      }
    ]
  },
  {
    "id": "36416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.63,
      "Al2O3": 10.33,
      "B2O3": 3.83,
      "Na2O": 2.75,
      "K2O": 3.32,
      "MgO": 2.21,
      "CaO": 10.86,
      "P2O5": 0.03,
      "TiO2": 2.0,
      "ZrO2": 3.59,
      "Fe2O3": 0.4,
      "CuO": 4.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.4
      },
      {
        "material": "zircopax",
        "amount": 5.4
      },
      {
        "material": "rutile",
        "amount": 2.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
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    "id": "36467",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.43,
      "B2O3": 8.59,
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      "MgO": 24.35,
      "CoO": 14.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "talc",
        "amount": 13.0
      },
      {
        "material": "borax",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 21.0
      }
    ]
  },
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    "id": "36488",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 11.67,
      "Li2O": 2.57,
      "Na2O": 0.01,
      "K2O": 0.03,
      "MgO": 0.01,
      "CaO": 0.01,
      "BaO": 30.75,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite",
        "amount": 48.0
      },
      {
        "material": "barium carbonate",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "stain",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "chemical_composition": {
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      "K2O": 0.08,
      "MgO": 0.02,
      "CaO": 12.58,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.17,
      "CoO": 1.41,
      "ZnO": 67.03,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "zinc oxide",
        "amount": 60.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "36542",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.58,
      "Al2O3": 12.38,
      "B2O3": 3.63,
      "Na2O": 3.82,
      "K2O": 1.39,
      "MgO": 5.07,
      "CaO": 9.01,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 4.18,
      "Cr2O3": 0.52,
      "Fe2O3": 0.17,
      "CoO": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 108.8
      }
    ]
  },
  {
    "id": "36561",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.11,
      "Al2O3": 10.99,
      "B2O3": 5.72,
      "Na2O": 2.55,
      "K2O": 3.59,
      "MgO": 1.54,
      "CaO": 7.06,
      "Cr2O3": 0.19,
      "SnO2": 7.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "36562",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.31,
      "Al2O3": 11.39,
      "B2O3": 5.93,
      "Na2O": 2.64,
      "K2O": 3.72,
      "MgO": 1.59,
      "CaO": 7.32,
      "Fe2O3": 2.85,
      "CoO": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "36563",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.73,
      "Al2O3": 11.64,
      "B2O3": 6.06,
      "Na2O": 2.7,
      "K2O": 3.81,
      "MgO": 1.63,
      "CaO": 7.48,
      "Cr2O3": 0.2,
      "Fe2O3": 1.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "36567",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.25,
      "Al2O3": 11.88,
      "B2O3": 6.03,
      "Na2O": 2.68,
      "K2O": 3.79,
      "MgO": 1.62,
      "CaO": 7.44,
      "Cr2O3": 0.1,
      "Fe2O3": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.9
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "36568",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.65,
      "Al2O3": 11.63,
      "B2O3": 6.05,
      "Na2O": 2.69,
      "K2O": 3.8,
      "MgO": 1.63,
      "CaO": 7.47,
      "CoO": 0.1,
      "CuO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 103.15
      }
    ]
  },
  {
    "id": "36569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.47,
      "Al2O3": 11.78,
      "B2O3": 6.13,
      "Na2O": 2.73,
      "K2O": 3.85,
      "MgO": 1.65,
      "CaO": 7.57,
      "CoO": 0.16,
      "CuO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.25
      }
    ]
  },
  {
    "id": "36570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.58,
      "Al2O3": 11.8,
      "B2O3": 6.14,
      "Na2O": 2.73,
      "K2O": 3.86,
      "MgO": 1.65,
      "CaO": 7.58,
      "CuO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "36571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.15,
      "Al2O3": 11.72,
      "B2O3": 6.1,
      "Na2O": 2.71,
      "K2O": 3.83,
      "MgO": 1.64,
      "CaO": 7.53,
      "CuO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "36572",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.89,
      "Al2O3": 11.49,
      "B2O3": 5.98,
      "Na2O": 2.66,
      "K2O": 3.76,
      "MgO": 1.61,
      "CaO": 7.39,
      "CoO": 1.27,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "36574",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.74,
      "Al2O3": 11.82,
      "B2O3": 6.15,
      "Na2O": 2.74,
      "K2O": 3.87,
      "MgO": 1.65,
      "CaO": 7.6,
      "Cr2O3": 0.26,
      "CoO": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "36619",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.86,
      "Al2O3": 14.18,
      "B2O3": 3.59,
      "Na2O": 6.44,
      "K2O": 2.83,
      "MgO": 0.53,
      "CaO": 9.27,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.11,
      "CuO": 0.55,
      "SnO2": 1.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 56.3
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "gerstley borate",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 1.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "silicon carbide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 103.1
      }
    ]
  },
  {
    "id": "36623",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.95,
      "Al2O3": 16.77,
      "Li2O": 0.41,
      "Na2O": 5.91,
      "K2O": 2.86,
      "MgO": 0.1,
      "CaO": 0.45,
      "SrO": 14.04,
      "TiO2": 5.12,
      "Fe2O3": 0.17,
      "CuO": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "36625",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.23,
      "Al2O3": 20.1,
      "Li2O": 1.81,
      "Na2O": 0.03,
      "K2O": 0.13,
      "MgO": 0.04,
      "CaO": 0.07,
      "BaO": 28.9,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Fe2O3": 0.28,
      "CuO": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 33.0
      },
      {
        "material": "petalite",
        "amount": 33.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "36638",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.77,
      "Al2O3": 9.98,
      "Na2O": 2.91,
      "K2O": 2.75,
      "MgO": 9.62,
      "CaO": 12.46,
      "SrO": 0.01,
      "BaO": 0.07,
      "TiO2": 0.51,
      "MnO": 0.07,
      "Fe2O3": 9.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wisconsin red granite",
        "amount": 67.15
      },
      {
        "material": "whitewater limestone",
        "amount": 20.74
      },
      {
        "material": "cuda-clay, yellow brick clay",
        "amount": 12.11
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36660",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.23,
      "Al2O3": 12.16,
      "B2O3": 3.31,
      "Li2O": 0.86,
      "Na2O": 3.86,
      "K2O": 1.16,
      "MgO": 1.64,
      "CaO": 8.33,
      "BaO": 13.98,
      "P2O5": 0.04,
      "TiO2": 7.29,
      "Fe2O3": 1.19,
      "CoO": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 23.0
      },
      {
        "material": "barium carbonate",
        "amount": 17.55
      },
      {
        "material": "ep kaolin",
        "amount": 15.55
      },
      {
        "material": "silica",
        "amount": 15.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.15
      },
      {
        "material": "dolomite",
        "amount": 6.95
      },
      {
        "material": "whiting",
        "amount": 5.4
      },
      {
        "material": "lithium carbonate",
        "amount": 2.05
      },
      {
        "material": "total base recipe",
        "amount": 100.05
      },
      {
        "material": "titanium dioxide",
        "amount": 7.05
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.6
      }
    ]
  },
  {
    "id": "36661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.67,
      "Al2O3": 7.0,
      "B2O3": 4.96,
      "Li2O": 1.06,
      "Na2O": 2.22,
      "K2O": 0.06,
      "MgO": 2.29,
      "CaO": 7.44,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 33.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 27.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.2
      },
      {
        "material": "dolomite",
        "amount": 13.1
      },
      {
        "material": "lithium carbonate",
        "amount": 3.3
      },
      {
        "material": "total base recipe",
        "amount": 96.1
      },
      {
        "material": "red iron oxide",
        "amount": 44.0
      },
      {
        "material": "total",
        "amount": 140.1
      }
    ]
  },
  {
    "id": "36662",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.09,
      "Al2O3": 9.81,
      "Na2O": 2.73,
      "K2O": 1.72,
      "MgO": 0.05,
      "CaO": 6.07,
      "SrO": 10.23,
      "P2O5": 0.01,
      "TiO2": 5.11,
      "Fe2O3": 0.13,
      "CoO": 0.64,
      "ZnO": 17.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.1
      },
      {
        "material": "silica",
        "amount": 14.3
      },
      {
        "material": "strontium carbonate",
        "amount": 14.3
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.8
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "36663",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.02,
      "Al2O3": 6.66,
      "B2O3": 3.98,
      "Li2O": 0.85,
      "Na2O": 5.59,
      "K2O": 0.7,
      "MgO": 1.6,
      "CaO": 6.68,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "NiO": 2.24,
      "ZnO": 13.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 26.25
      },
      {
        "material": "silica",
        "amount": 25.15
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.15
      },
      {
        "material": "zinc oxide",
        "amount": 13.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.1
      },
      {
        "material": "dolomite",
        "amount": 6.95
      },
      {
        "material": "lithium carbonate",
        "amount": 2.05
      },
      {
        "material": "total base recipe",
        "amount": 100.85
      },
      {
        "material": "black nickel oxide",
        "amount": 2.2
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.05
      }
    ]
  },
  {
    "id": "36666",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.85,
      "Al2O3": 5.87,
      "B2O3": 4.29,
      "Li2O": 1.04,
      "Na2O": 5.57,
      "K2O": 0.69,
      "MgO": 1.6,
      "CaO": 6.79,
      "P2O5": 0.03,
      "TiO2": 1.02,
      "Fe2O3": 2.95,
      "CoO": 0.59,
      "NiO": 2.93,
      "ZnO": 11.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 27.1
      },
      {
        "material": "silica",
        "amount": 24.05
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.15
      },
      {
        "material": "zinc oxide",
        "amount": 12.05
      },
      {
        "material": "ep kaolin",
        "amount": 11.5
      },
      {
        "material": "dolomite",
        "amount": 6.95
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.6
      },
      {
        "material": "gerstley borate",
        "amount": 1.65
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.95
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "black nickel oxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "36667",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.85,
      "Al2O3": 23.05,
      "B2O3": 0.55,
      "Li2O": 1.22,
      "Na2O": 7.08,
      "K2O": 3.36,
      "MgO": 0.18,
      "CaO": 3.77,
      "P2O5": 0.0,
      "TiO2": 1.93,
      "Fe2O3": 0.37,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "36668",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.28,
      "Al2O3": 7.76,
      "B2O3": 12.31,
      "Na2O": 4.49,
      "K2O": 0.15,
      "MgO": 0.06,
      "CaO": 8.69,
      "TiO2": 0.27,
      "Fe2O3": 10.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 33.5
      },
      {
        "material": "ferro frit 3195",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "rutile",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "36672",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.22,
      "Al2O3": 13.04,
      "B2O3": 5.08,
      "Na2O": 4.21,
      "K2O": 6.31,
      "MgO": 0.04,
      "CaO": 10.24,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.16,
      "CuO": 0.65,
      "SnO2": 2.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "36673",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.25,
      "Al2O3": 10.65,
      "Na2O": 1.0,
      "K2O": 3.36,
      "MgO": 2.68,
      "CaO": 14.19,
      "P2O5": 0.51,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "CoO": 1.35,
      "CuO": 4.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.91
      },
      {
        "material": "silica",
        "amount": 25.32
      },
      {
        "material": "whiting",
        "amount": 22.36
      },
      {
        "material": "ep kaolin",
        "amount": 12.55
      },
      {
        "material": "talc",
        "amount": 7.81
      },
      {
        "material": "bone ash",
        "amount": 1.05
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 7.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "36679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.67,
      "Al2O3": 9.73,
      "B2O3": 2.05,
      "Na2O": 4.13,
      "K2O": 2.04,
      "MgO": 0.0,
      "CaO": 11.53,
      "P2O5": 0.45,
      "TiO2": 0.0,
      "Fe2O3": 0.97,
      "ZnO": 3.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.14
      },
      {
        "material": "silica",
        "amount": 18.31
      },
      {
        "material": "wollastonite",
        "amount": 17.88
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.14
      },
      {
        "material": "zinc oxide",
        "amount": 3.49
      },
      {
        "material": "ep kaolin",
        "amount": 1.03
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.99
      }
    ]
  },
  {
    "id": "36713",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.76,
      "Al2O3": 13.51,
      "Na2O": 2.16,
      "K2O": 1.95,
      "MgO": 0.35,
      "CaO": 9.39,
      "P2O5": 0.05,
      "TiO2": 5.7,
      "Fe2O3": 0.82,
      "ZnO": 7.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 43.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "36746",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.04,
      "Al2O3": 9.53,
      "K2O": 8.39,
      "CaO": 11.24,
      "P2O5": 1.3,
      "Fe2O3": 6.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 45.92
      },
      {
        "material": "silica",
        "amount": 28.15
      },
      {
        "material": "whiting",
        "amount": 15.73
      },
      {
        "material": "iron oxide",
        "amount": 6.33
      },
      {
        "material": "bone ash",
        "amount": 2.84
      },
      {
        "material": "kaolin",
        "amount": 1.03
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "36778",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.29,
      "Al2O3": 13.99,
      "B2O3": 2.39,
      "Li2O": 1.97,
      "Na2O": 0.68,
      "K2O": 0.63,
      "MgO": 3.72,
      "CaO": 6.12,
      "P2O5": 0.03,
      "TiO2": 0.28,
      "Fe2O3": 2.82,
      "SnO2": 5.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "spodumene",
        "amount": 23.3
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 11.5
      },
      {
        "material": "redart",
        "amount": 11.5
      },
      {
        "material": "ferro frit 3195",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 94.6
      },
      {
        "material": "tin oxide",
        "amount": 4.8
      },
      {
        "material": "yellow ochre",
        "amount": 3.24
      },
      {
        "material": "red iron oxide",
        "amount": 1.07
      },
      {
        "material": "total",
        "amount": 103.71
      }
    ]
  },
  {
    "id": "36780",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.43,
      "Al2O3": 10.11,
      "B2O3": 5.83,
      "Na2O": 3.95,
      "K2O": 0.53,
      "MgO": 4.61,
      "CaO": 7.79,
      "P2O5": 1.94,
      "TiO2": 0.38,
      "Fe2O3": 17.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 28.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "36783",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.51,
      "Al2O3": 9.62,
      "B2O3": 11.36,
      "Na2O": 5.14,
      "K2O": 1.07,
      "MgO": 0.65,
      "CaO": 9.8,
      "SrO": 0.0,
      "BaO": 0.02,
      "P2O5": 0.03,
      "TiO2": 3.95,
      "Cr2O3": 0.01,
      "MnO": 0.01,
      "Fe2O3": 3.58,
      "CoO": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 50.0
      },
      {
        "material": "red clay non-sandy deposit testing",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "36794",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.62,
      "Al2O3": 12.02,
      "B2O3": 3.32,
      "Li2O": 2.26,
      "Na2O": 1.82,
      "K2O": 0.97,
      "MgO": 7.45,
      "CaO": 7.28,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.07,
      "CuO": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 17.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 7.2
      },
      {
        "material": "ep kaolin",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.2
      }
    ]
  },
  {
    "id": "36940",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.56,
      "Al2O3": 12.89,
      "B2O3": 1.58,
      "Na2O": 4.34,
      "K2O": 1.82,
      "MgO": 4.12,
      "CaO": 5.42,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 33.8
      },
      {
        "material": "dolomite",
        "amount": 12.2
      },
      {
        "material": "ep kaolin",
        "amount": 9.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.9
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "gerstley borate",
        "amount": 2.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "36974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.25,
      "Al2O3": 13.16,
      "B2O3": 3.87,
      "Li2O": 1.54,
      "Na2O": 1.38,
      "K2O": 0.11,
      "MgO": 4.7,
      "CaO": 9.37,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "MnO2": 3.72,
      "Fe2O3": 1.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "spodumene",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "36988",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.93,
      "Al2O3": 9.41,
      "B2O3": 4.11,
      "Na2O": 3.87,
      "K2O": 2.11,
      "MgO": 0.54,
      "CaO": 10.4,
      "P2O5": 0.49,
      "TiO2": 0.02,
      "Fe2O3": 1.07,
      "ZnO": 4.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 48.52
      },
      {
        "material": "silica",
        "amount": 20.24
      },
      {
        "material": "gerstley borate",
        "amount": 14.95
      },
      {
        "material": "wollastonite",
        "amount": 12.34
      },
      {
        "material": "zinc oxide",
        "amount": 3.95
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "37005",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.79,
      "Al2O3": 13.39,
      "Li2O": 0.39,
      "Na2O": 5.92,
      "K2O": 0.95,
      "MgO": 6.04,
      "CaO": 7.37,
      "Fe2O3": 0.15,
      "SnO2": 2.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.17
      },
      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "whitewater limestone",
        "amount": 14.5
      },
      {
        "material": "lepidolite",
        "amount": 13.04
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red stain",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.01
      }
    ]
  },
  {
    "id": "37026",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.61,
      "Al2O3": 15.52,
      "Na2O": 1.3,
      "K2O": 1.02,
      "MgO": 0.09,
      "CaO": 0.37,
      "P2O5": 0.05,
      "TiO2": 0.29,
      "Cr2O3": 4.6,
      "MnO2": 7.27,
      "Fe2O3": 8.31,
      "CoO": 1.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "minspar 200",
        "amount": 22.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 22.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "chrome oxide",
        "amount": 5.5
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 127.5
      }
    ]
  },
  {
    "id": "37049",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.01,
      "Al2O3": 11.32,
      "Na2O": 1.3,
      "K2O": 4.35,
      "MgO": 1.59,
      "CaO": 12.38,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "Pr2O3": 4.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "praseodymium oxide",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "37080",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.51,
      "Al2O3": 9.66,
      "B2O3": 0.62,
      "Na2O": 4.82,
      "K2O": 1.04,
      "MgO": 4.22,
      "CaO": 4.04,
      "P2O5": 1.78,
      "TiO2": 0.35,
      "Fe2O3": 15.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 40.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 28.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
  {
    "id": "37123",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.04,
      "Al2O3": 13.99,
      "Li2O": 1.17,
      "Na2O": 4.46,
      "K2O": 2.62,
      "MgO": 0.14,
      "CaO": 0.39,
      "SrO": 20.15,
      "BaO": 0.03,
      "P2O5": 0.02,
      "TiO2": 0.24,
      "MnO": 0.03,
      "Fe2O3": 4.48,
      "CuO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.0
      },
      {
        "material": "wisconsin red granite",
        "amount": 32.0
      },
      {
        "material": "strontium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 113.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "37126",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.13,
      "Al2O3": 22.6,
      "Na2O": 1.96,
      "K2O": 2.0,
      "MgO": 0.33,
      "CaO": 0.35,
      "SrO": 0.0,
      "BaO": 0.05,
      "TiO2": 1.11,
      "MnO": 0.04,
      "Fe2O3": 6.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wisconsin red granite",
        "amount": 40.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 20.0
      },
      {
        "material": "goldart",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "tennessee #10 ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "beer",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "37141",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.69,
      "Al2O3": 7.89,
      "B2O3": 0.02,
      "Na2O": 0.9,
      "K2O": 6.63,
      "MgO": 4.07,
      "CaO": 9.08,
      "SrO": 0.0,
      "BaO": 0.01,
      "P2O5": 5.17,
      "TiO2": 0.26,
      "Cr2O3": 0.0,
      "MnO": 0.01,
      "Fe2O3": 14.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay non-sandy deposit testing",
        "amount": 30.0
      },
      {
        "material": "red oak ash testing",
        "amount": 24.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "37142",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.29,
      "Al2O3": 7.4,
      "B2O3": 5.07,
      "Na2O": 3.93,
      "K2O": 1.56,
      "MgO": 3.73,
      "CaO": 8.05,
      "P2O5": 0.02,
      "TiO2": 0.98,
      "Fe2O3": 0.21,
      "CuO": 0.69,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.9
      },
      {
        "material": "nepheline syenite a270",
        "amount": 27.1
      },
      {
        "material": "gerstley borate",
        "amount": 16.8
      },
      {
        "material": "dolomite",
        "amount": 12.4
      },
      {
        "material": "tin oxide",
        "amount": 0.95
      },
      {
        "material": "total base recipe",
        "amount": 98.15
      },
      {
        "material": "copper carbonate",
        "amount": 0.95
      },
      {
        "material": "rutile",
        "amount": 0.95
      },
      {
        "material": "total",
        "amount": 100.05
      }
    ]
  },
  {
    "id": "37149",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.82,
      "Al2O3": 7.61,
      "B2O3": 0.58,
      "Na2O": 3.75,
      "K2O": 6.19,
      "MgO": 4.66,
      "CaO": 11.14,
      "P2O5": 5.26,
      "TiO2": 0.4,
      "Fe2O3": 16.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 35.29
      },
      {
        "material": "red oak ash testing",
        "amount": 28.24
      },
      {
        "material": "ferro frit 3110",
        "amount": 23.53
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 12.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "37205",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 9.99,
      "B2O3": 3.89,
      "Na2O": 2.13,
      "K2O": 5.03,
      "MgO": 1.97,
      "CaO": 9.78,
      "P2O5": 0.02,
      "TiO2": 0.51,
      "Fe2O3": 0.26,
      "CoO": 0.34,
      "CuO": 0.69,
      "ZnO": 4.3,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "37245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.27,
      "Al2O3": 8.43,
      "B2O3": 0.02,
      "Na2O": 1.03,
      "K2O": 8.12,
      "MgO": 6.54,
      "CaO": 10.18,
      "SrO": 0.0,
      "BaO": 0.01,
      "P2O5": 5.39,
      "TiO2": 0.28,
      "Cr2O3": 0.0,
      "MnO": 0.01,
      "Fe2O3": 14.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red oak ash testing",
        "amount": 30.0
      },
      {
        "material": "red clay non-sandy deposit testing",
        "amount": 30.0
      },
      {
        "material": "custer feldspar (2000-2012 ron roy)",
        "amount": 21.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 19.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "37247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.74,
      "Al2O3": 11.15,
      "B2O3": 0.41,
      "Li2O": 0.93,
      "Na2O": 2.57,
      "K2O": 0.4,
      "MgO": 3.94,
      "CaO": 1.62,
      "TiO2": 0.41,
      "Fe2O3": 13.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c-red clay testing",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 16.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "37248",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 9.29,
      "B2O3": 0.36,
      "Li2O": 0.82,
      "Na2O": 2.15,
      "K2O": 1.09,
      "MgO": 3.73,
      "CaO": 7.52,
      "SrO": 0.0,
      "BaO": 0.01,
      "P2O5": 4.74,
      "TiO2": 0.26,
      "Cr2O3": 0.0,
      "MnO": 0.01,
      "Fe2O3": 10.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay non-sandy deposit testing",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 16.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 13.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
  {
    "id": "37275",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.51,
      "Al2O3": 6.86,
      "B2O3": 0.77,
      "Na2O": 4.79,
      "K2O": 7.69,
      "MgO": 4.35,
      "CaO": 9.51,
      "SrO": 0.0,
      "BaO": 0.01,
      "P2O5": 3.62,
      "TiO2": 0.29,
      "Cr2O3": 0.0,
      "MnO": 0.01,
      "Fe2O3": 13.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 30.0
      },
      {
        "material": "red oak ash testing",
        "amount": 30.0
      },
      {
        "material": "red clay non-sandy deposit testing",
        "amount": 30.0
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.0
      },
      {
        "material": "bone ash",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "37319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.66,
      "Al2O3": 4.84,
      "B2O3": 6.39,
      "Na2O": 3.35,
      "K2O": 6.84,
      "MgO": 1.31,
      "CaO": 8.59,
      "BaO": 0.02,
      "P2O5": 0.41,
      "TiO2": 0.63,
      "Cr2O3": 0.0,
      "Fe2O3": 0.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silty material testing",
        "amount": 50.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "red oak ash testing",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "37333",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.78,
      "Al2O3": 11.35,
      "B2O3": 4.25,
      "Li2O": 0.88,
      "Na2O": 2.35,
      "K2O": 1.38,
      "MgO": 2.69,
      "CaO": 10.02,
      "P2O5": 0.01,
      "TiO2": 1.13,
      "Fe2O3": 4.53,
      "ZnO": 2.21,
      "SnO2": 4.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "37367",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.65,
      "Al2O3": 10.68,
      "B2O3": 5.85,
      "Na2O": 3.46,
      "K2O": 2.29,
      "MgO": 0.15,
      "CaO": 11.21,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.31,
      "CuO": 1.54,
      "ZnO": 5.25,
      "SnO2": 8.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 44.5
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 7.5
      },
      {
        "material": "zinc oxide",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 9.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "37370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.51,
      "Al2O3": 10.26,
      "Li2O": 0.01,
      "Na2O": 1.22,
      "K2O": 4.09,
      "MgO": 1.85,
      "CaO": 0.2,
      "BaO": 22.75,
      "TiO2": 0.0,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.4
      },
      {
        "material": "barium carbonate",
        "amount": 27.3
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.1
      },
      {
        "material": "talc",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "erbium oxide testing",
        "amount": 8.0
      },
      {
        "material": "macaloid",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.1
      }
    ]
  },
  {
    "id": "37385",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.64,
      "Al2O3": 9.8,
      "B2O3": 7.34,
      "Na2O": 1.54,
      "K2O": 4.96,
      "MgO": 1.45,
      "CaO": 10.88,
      "P2O5": 0.01,
      "TiO2": 0.49,
      "Fe2O3": 0.2,
      "CoO": 0.34,
      "ZnO": 4.28,
      "SnO2": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "colemanite",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "rutile",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "37408",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.64,
      "Al2O3": 12.63,
      "Na2O": 4.15,
      "K2O": 3.51,
      "MgO": 0.31,
      "CaO": 0.47,
      "SrO": 0.01,
      "BaO": 0.1,
      "TiO2": 0.65,
      "MnO": 0.09,
      "Fe2O3": 13.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wisconsin red granite",
        "amount": 100.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "37440",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.75,
      "Al2O3": 10.31,
      "Li2O": 0.64,
      "Na2O": 2.67,
      "K2O": 2.25,
      "MgO": 0.2,
      "CaO": 11.49,
      "SrO": 0.01,
      "BaO": 0.07,
      "P2O5": 8.49,
      "TiO2": 0.42,
      "MnO": 0.06,
      "Fe2O3": 8.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wisconsin red granite",
        "amount": 62.5
      },
      {
        "material": "bone ash",
        "amount": 20.83
      },
      {
        "material": "silica",
        "amount": 8.33
      },
      {
        "material": "spodumene",
        "amount": 8.33
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "37483",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.0,
      "Al2O3": 13.24,
      "B2O3": 3.71,
      "Na2O": 4.37,
      "K2O": 2.36,
      "MgO": 0.88,
      "CaO": 11.81,
      "P2O5": 0.01,
      "TiO2": 3.86,
      "FeO": 0.02,
      "Fe2O3": 0.55,
      "CuO": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albita #200 remina",
        "amount": 32.0
      },
      {
        "material": "feldespato potassico #200 remina",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "caulim terra nova testing",
        "amount": 10.0
      },
      {
        "material": "dolomita minasolo",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "37484",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.24,
      "Al2O3": 20.82,
      "Na2O": 3.65,
      "K2O": 5.28,
      "MgO": 9.62,
      "CaO": 0.05,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 26.92
      },
      {
        "material": "soda feldspar",
        "amount": 26.92
      },
      {
        "material": "ep kaolin",
        "amount": 21.63
      },
      {
        "material": "magnesium carbonate",
        "amount": 17.58
      },
      {
        "material": "silica",
        "amount": 6.95
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "37492",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.21,
      "Al2O3": 12.39,
      "B2O3": 1.62,
      "Na2O": 4.28,
      "K2O": 1.71,
      "MgO": 0.08,
      "CaO": 15.24,
      "TiO2": 0.2,
      "Fe2O3": 0.17,
      "CuO": 0.23,
      "ZnO": 4.44,
      "SnO2": 4.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "tennessee #10 ball clay",
        "amount": 12.0
      },
      {
        "material": "borax",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.32
      },
      {
        "material": "total",
        "amount": 104.32
      }
    ]
  },
  {
    "id": "37521",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.87,
      "Al2O3": 12.81,
      "B2O3": 3.99,
      "Na2O": 3.75,
      "K2O": 2.08,
      "MgO": 0.53,
      "CaO": 10.04,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CuO": 0.66,
      "ZnO": 3.93,
      "SnO2": 2.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.76
      },
      {
        "material": "gerstley borate",
        "amount": 14.41
      },
      {
        "material": "wollastonite",
        "amount": 12.86
      },
      {
        "material": "silica",
        "amount": 12.6
      },
      {
        "material": "ep kaolin",
        "amount": 9.57
      },
      {
        "material": "zinc oxide",
        "amount": 3.81
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "37578",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.52,
      "Al2O3": 10.27,
      "B2O3": 5.34,
      "Na2O": 2.38,
      "K2O": 3.36,
      "MgO": 1.44,
      "CaO": 6.6,
      "ZrO2": 9.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "37592",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.74,
      "Al2O3": 15.91,
      "Na2O": 0.01,
      "K2O": 10.18,
      "MgO": 0.01,
      "CaO": 13.99,
      "SrO": 9.53,
      "P2O5": 0.03,
      "TiO2": 2.07,
      "Fe2O3": 1.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 53.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "37612",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.72,
      "Al2O3": 16.66,
      "Li2O": 1.32,
      "Na2O": 6.09,
      "K2O": 2.92,
      "MgO": 0.11,
      "CaO": 0.46,
      "BaO": 21.8,
      "TiO2": 0.09,
      "Cr2O3": 0.65,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.0
      },
      {
        "material": "barium carbonate",
        "amount": 26.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "37620",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.9,
      "Al2O3": 14.85,
      "Na2O": 1.42,
      "K2O": 1.91,
      "MgO": 0.08,
      "CaO": 20.1,
      "P2O5": 0.05,
      "TiO2": 0.14,
      "Fe2O3": 0.24,
      "CuO": 2.86,
      "SnO2": 4.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 38.5
      },
      {
        "material": "whiting",
        "amount": 31.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "37718",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.3,
      "Al2O3": 12.09,
      "B2O3": 1.01,
      "Na2O": 3.67,
      "K2O": 1.69,
      "MgO": 0.23,
      "CaO": 15.16,
      "SrO": 0.02,
      "TiO2": 0.19,
      "Fe2O3": 0.16,
      "CuO": 0.21,
      "ZnO": 4.13,
      "SnO2": 4.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "tennessee #10 ball clay",
        "amount": 12.0
      },
      {
        "material": "gillespie borate",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 106.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.32
      },
      {
        "material": "total",
        "amount": 110.32
      }
    ]
  },
  {
    "id": "37741",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.76,
      "Al2O3": 12.25,
      "B2O3": 2.63,
      "Na2O": 1.94,
      "K2O": 2.96,
      "MgO": 0.3,
      "CaO": 13.23,
      "SrO": 0.7,
      "P2O5": 0.05,
      "TiO2": 12.94,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.87
      },
      {
        "material": "silica",
        "amount": 20.9
      },
      {
        "material": "whiting",
        "amount": 20.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.93
      },
      {
        "material": "gerstley borate",
        "amount": 6.97
      },
      {
        "material": "nepheline syenite",
        "amount": 6.47
      },
      {
        "material": "ferro frit 3195",
        "amount": 3.48
      },
      {
        "material": "strontium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.02
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 115.02
      }
    ]
  },
  {
    "id": "37814",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.34,
      "Al2O3": 14.38,
      "Na2O": 2.41,
      "K2O": 5.45,
      "MgO": 1.77,
      "CaO": 12.65,
      "SrO": 4.31,
      "P2O5": 0.01,
      "TiO2": 0.08,
      "Fe2O3": 0.15,
      "CoO": 1.04,
      "CuO": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 34.6
      },
      {
        "material": "custer feldspar",
        "amount": 33.8
      },
      {
        "material": "whiting",
        "amount": 15.1
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "37828",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.84,
      "Al2O3": 12.13,
      "B2O3": 2.13,
      "Na2O": 2.39,
      "K2O": 2.25,
      "MgO": 3.51,
      "CaO": 7.66,
      "TiO2": 4.1,
      "Fe2O3": 0.65,
      "CuO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 40.0
      },
      {
        "material": "hyplas 71 ball clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "37954",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.99,
      "Al2O3": 10.81,
      "Na2O": 0.01,
      "K2O": 8.75,
      "MgO": 0.01,
      "CaO": 8.69,
      "P2O5": 0.0,
      "TiO2": 5.24,
      "Fe2O3": 0.05,
      "CuO": 2.06,
      "ZnO": 12.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "c & c ball clay",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "38063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.44,
      "Al2O3": 10.37,
      "B2O3": 0.22,
      "Li2O": 0.26,
      "Na2O": 1.18,
      "K2O": 2.69,
      "MgO": 0.73,
      "CaO": 5.36,
      "BaO": 9.12,
      "P2O5": 0.2,
      "TiO2": 0.01,
      "ZrO2": 0.16,
      "MnO": 0.01,
      "Fe2O3": 0.14,
      "CuO": 0.01,
      "ZnO": 1.63,
      "Nd2O3": 6.65,
      "Er2O3": 3.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.24
      },
      {
        "material": "custer feldspar",
        "amount": 23.4
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.17
      },
      {
        "material": "barium carbonate",
        "amount": 11.7
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 6.37
      },
      {
        "material": "spodumene",
        "amount": 3.24
      },
      {
        "material": "ferro frit 3110",
        "amount": 2.7
      },
      {
        "material": "whiting",
        "amount": 2.63
      },
      {
        "material": "zinc oxide",
        "amount": 1.62
      },
      {
        "material": "dolomite",
        "amount": 1.19
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 1.1
      },
      {
        "material": "ferro frit 3195",
        "amount": 0.64
      },
      {
        "material": "bone ash",
        "amount": 0.48
      },
      {
        "material": "total base recipe",
        "amount": 95.48
      },
      {
        "material": "neodymium oxide",
        "amount": 6.62
      },
      {
        "material": "erbium oxide",
        "amount": 3.82
      },
      {
        "material": "veegum t",
        "amount": 0.36
      },
      {
        "material": "zircopax",
        "amount": 0.24
      },
      {
        "material": "cmc gum",
        "amount": 0.1
      },
      {
        "material": "copper carbonate",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 106.64
      }
    ]
  },
  {
    "id": "38064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.14,
      "Al2O3": 13.47,
      "Na2O": 0.93,
      "K2O": 3.11,
      "MgO": 0.02,
      "CaO": 12.4,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Cr2O3": 0.11,
      "Fe2O3": 1.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "silica",
        "amount": 33.28
      },
      {
        "material": "custer feldspar",
        "amount": 27.21
      },
      {
        "material": "ep kaolin",
        "amount": 19.92
      },
      {
        "material": "whiting",
        "amount": 19.58
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.59
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "38065",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.37,
      "Al2O3": 13.04,
      "B2O3": 1.18,
      "Na2O": 1.48,
      "K2O": 3.31,
      "MgO": 0.11,
      "CaO": 15.04,
      "TiO2": 0.01,
      "Fe2O3": 0.25,
      "ZnO": 3.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 25.98
      },
      {
        "material": "whiting",
        "amount": 22.2
      },
      {
        "material": "grolleg kaolin",
        "amount": 18.32
      },
      {
        "material": "ferro frit 3134",
        "amount": 4.63
      },
      {
        "material": "zinc oxide",
        "amount": 2.87
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
  {
    "id": "38067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.64,
      "Al2O3": 8.82,
      "Na2O": 2.3,
      "K2O": 3.33,
      "MgO": 1.24,
      "CaO": 7.01,
      "BaO": 5.45,
      "Cr2O3": 0.06,
      "Fe2O3": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.6
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "minspar 200",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "barium carbonate",
        "amount": 6.6
      },
      {
        "material": "talc",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 2.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 1.1
      },
      {
        "material": "chrome oxide",
        "amount": 0.06
      },
      {
        "material": "total",
        "amount": 101.16
      }
    ]
  },
  {
    "id": "38105",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.17,
      "Al2O3": 21.53,
      "Na2O": 7.41,
      "K2O": 6.72,
      "MgO": 4.89,
      "CaO": 0.02,
      "TiO2": 0.05,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 75.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "super standard porcelain kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "38147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.03,
      "Al2O3": 12.02,
      "Li2O": 2.19,
      "Na2O": 1.49,
      "K2O": 1.99,
      "MgO": 0.09,
      "CaO": 6.85,
      "SrO": 9.41,
      "TiO2": 0.17,
      "Fe2O3": 0.19,
      "CuO": 1.73,
      "SnO2": 4.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.5
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "38148",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.13,
      "Al2O3": 7.77,
      "B2O3": 0.77,
      "Na2O": 2.52,
      "K2O": 2.05,
      "MgO": 0.01,
      "CaO": 6.39,
      "SrO": 0.0,
      "BaO": 0.22,
      "P2O5": 0.01,
      "TiO2": 8.91,
      "FeO": 0.0,
      "Fe2O3": 0.66,
      "CoO": 0.59,
      "CuO": 1.36,
      "ZnO": 23.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 17.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "rutile",
        "amount": 6.1
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.25
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 114.35
      }
    ]
  },
  {
    "id": "38149",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.94,
      "Al2O3": 7.9,
      "Na2O": 1.95,
      "K2O": 1.71,
      "CaO": 8.36,
      "TiO2": 4.97,
      "Fe2O3": 0.06,
      "CuO": 3.2,
      "ZnO": 11.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "38218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.09,
      "Al2O3": 10.54,
      "Na2O": 1.11,
      "K2O": 4.01,
      "MgO": 1.38,
      "CaO": 4.34,
      "P2O5": 2.44,
      "Fe2O3": 9.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 36.11
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 9.52
      },
      {
        "material": "cendre d'os (solargil 2018)",
        "amount": 6.21
      },
      {
        "material": "talc 2c (solargil 2018)",
        "amount": 4.34
      },
      {
        "material": "carbonate de calcium (solargil 2018)",
        "amount": 2.08
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.01
      }
    ]
  },
  {
    "id": "38225",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.05,
      "Al2O3": 12.22,
      "B2O3": 4.91,
      "Na2O": 2.61,
      "K2O": 0.19,
      "MgO": 0.04,
      "CaO": 16.9,
      "TiO2": 5.05,
      "Fe2O3": 0.63,
      "CuO": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 28.0
      },
      {
        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "38229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.81,
      "Al2O3": 8.17,
      "B2O3": 7.31,
      "Na2O": 2.21,
      "K2O": 5.15,
      "MgO": 0.96,
      "CaO": 9.81,
      "BaO": 1.59,
      "P2O5": 0.04,
      "TiO2": 0.04,
      "Fe2O3": 0.18,
      "ZnO": 7.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.49
      },
      {
        "material": "gerstley borate",
        "amount": 23.85
      },
      {
        "material": "silica",
        "amount": 22.2
      },
      {
        "material": "whiting",
        "amount": 6.86
      },
      {
        "material": "zinc oxide",
        "amount": 6.76
      },
      {
        "material": "ep kaolin",
        "amount": 3.69
      },
      {
        "material": "niter",
        "amount": 2.45
      },
      {
        "material": "barium carbonate",
        "amount": 1.79
      },
      {
        "material": "total",
        "amount": 100.09
      }
    ]
  },
  {
    "id": "38238",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.7,
      "Al2O3": 12.34,
      "B2O3": 2.87,
      "Na2O": 1.32,
      "K2O": 6.2,
      "CaO": 11.37,
      "CuO": 0.35,
      "SnO2": 5.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.61
      },
      {
        "material": "silica",
        "amount": 18.48
      },
      {
        "material": "frit 4124",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 14.13
      },
      {
        "material": "kaolin",
        "amount": 10.87
      },
      {
        "material": "tin oxide",
        "amount": 5.43
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "38239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.51,
      "Al2O3": 11.59,
      "B2O3": 2.7,
      "Na2O": 1.24,
      "K2O": 5.81,
      "CaO": 10.64,
      "ZrO2": 7.14,
      "CuO": 1.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 17.6
      },
      {
        "material": "frit 4124",
        "amount": 17.6
      },
      {
        "material": "whiting",
        "amount": 13.4
      },
      {
        "material": "kaolin",
        "amount": 10.4
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "38268",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.89,
      "Al2O3": 11.86,
      "Na2O": 4.06,
      "K2O": 1.91,
      "MgO": 0.1,
      "CaO": 5.73,
      "P2O5": 0.01,
      "TiO2": 1.84,
      "Fe2O3": 0.37,
      "ZnO": 16.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.2
      },
      {
        "material": "silica",
        "amount": 29.15
      },
      {
        "material": "zinc oxide",
        "amount": 16.08
      },
      {
        "material": "whiting",
        "amount": 9.55
      },
      {
        "material": "ep kaolin",
        "amount": 5.03
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.51
      }
    ]
  },
  {
    "id": "38340",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.6,
      "Al2O3": 6.4,
      "B2O3": 4.54,
      "Na2O": 2.08,
      "K2O": 3.67,
      "MgO": 1.74,
      "CaO": 13.64,
      "P2O5": 0.06,
      "Fe2O3": 0.08,
      "CuO": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.34
      },
      {
        "material": "whiting",
        "amount": 17.94
      },
      {
        "material": "dolomie (solargil 2018)",
        "amount": 7.37
      },
      {
        "material": "kaolin pulvérisé (solargil 2018)",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.9
      },
      {
        "material": "total",
        "amount": 102.9
      },
      {
        "material": "coe",
        "amount": 66.0
      },
      {
        "material": "hold (min) total 1 100 200 0 1",
        "amount": 48.0
      },
      {
        "material": "celsius fahrenheit total 10",
        "amount": 50.0
      }
    ]
  },
  {
    "id": "38341",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.72,
      "Al2O3": 22.96,
      "Li2O": 0.4,
      "Na2O": 7.92,
      "K2O": 3.57,
      "MgO": 0.18,
      "CaO": 0.59,
      "TiO2": 0.15,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 75.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "salt",
        "amount": 1.0
      },
      {
        "material": "yellow ochre",
        "amount": 1.0
      },
      {
        "material": "epsom salts",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 104.15
      }
    ]
  },
  {
    "id": "38342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 39.36,
      "Al2O3": 8.17,
      "Na2O": 4.76,
      "K2O": 13.13,
      "MgO": 5.07,
      "CaO": 17.96,
      "P2O5": 6.96,
      "TiO2": 0.04,
      "Fe2O3": 4.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 47.0
      },
      {
        "material": "fff feldspar",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "super standard porcelain kaolin",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "38368",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.98,
      "Al2O3": 11.15,
      "B2O3": 5.8,
      "Na2O": 2.58,
      "K2O": 3.64,
      "MgO": 1.56,
      "CaO": 7.16,
      "TiO2": 4.41,
      "Fe2O3": 0.48,
      "CoO": 1.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "38371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.57,
      "Al2O3": 7.84,
      "Na2O": 0.0,
      "K2O": 5.86,
      "MgO": 0.0,
      "CaO": 7.0,
      "P2O5": 0.01,
      "TiO2": 5.45,
      "Fe2O3": 0.63,
      "CuO": 1.11,
      "ZnO": 25.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 34.9
      },
      {
        "material": "zinc oxide",
        "amount": 25.8
      },
      {
        "material": "silica",
        "amount": 22.6
      },
      {
        "material": "whiting",
        "amount": 12.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.1
      },
      {
        "material": "copper carbonate",
        "amount": 1.75
      },
      {
        "material": "total",
        "amount": 107.85
      }
    ]
  },
  {
    "id": "38394",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.49,
      "Al2O3": 16.92,
      "Li2O": 0.85,
      "Na2O": 6.23,
      "K2O": 2.91,
      "MgO": 0.32,
      "CaO": 0.48,
      "SrO": 18.21,
      "TiO2": 0.03,
      "Fe2O3": 0.23,
      "CuO": 2.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "kaolin eckalite 1 (imerys australia)",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "38412",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.55,
      "Al2O3": 14.65,
      "Li2O": 1.03,
      "Na2O": 5.2,
      "K2O": 2.49,
      "MgO": 0.12,
      "CaO": 8.28,
      "BaO": 19.39,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.19
      },
      {
        "material": "barium carbonate",
        "amount": 22.18
      },
      {
        "material": "whiting",
        "amount": 12.46
      },
      {
        "material": "silica",
        "amount": 9.54
      },
      {
        "material": "ball clay",
        "amount": 7.39
      },
      {
        "material": "lithium carbonate",
        "amount": 2.25
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "38438",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.61,
      "Al2O3": 11.72,
      "B2O3": 3.5,
      "Na2O": 2.81,
      "K2O": 0.9,
      "MgO": 0.02,
      "CaO": 12.48,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "Er2O3": 7.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 21.5
      },
      {
        "material": "ep kaolin",
        "amount": 19.8
      },
      {
        "material": "minspar 200",
        "amount": 19.6
      },
      {
        "material": "wollastonite",
        "amount": 17.6
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "erbium oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "38449",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.34,
      "Al2O3": 11.75,
      "B2O3": 6.12,
      "Na2O": 2.72,
      "K2O": 3.84,
      "MgO": 1.64,
      "CaO": 7.55,
      "Cr2O3": 1.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "38450",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.02,
      "Al2O3": 11.88,
      "B2O3": 6.18,
      "Na2O": 2.75,
      "K2O": 3.88,
      "MgO": 1.66,
      "CaO": 7.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "walkers pink potters stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "38499",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.96,
      "Al2O3": 13.06,
      "B2O3": 11.93,
      "Li2O": 1.82,
      "Na2O": 5.23,
      "K2O": 1.33,
      "MgO": 1.0,
      "CaO": 10.12,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "CuO": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 29.0
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "calcined kaolin",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "38507",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.74,
      "Al2O3": 8.05,
      "B2O3": 10.82,
      "Na2O": 4.56,
      "K2O": 0.06,
      "MgO": 0.02,
      "CaO": 8.81,
      "P2O5": 0.05,
      "TiO2": 0.88,
      "Fe2O3": 11.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 45.58
      },
      {
        "material": "silica",
        "amount": 28.58
      },
      {
        "material": "ep kaolin",
        "amount": 19.13
      },
      {
        "material": "ferro frit 3195",
        "amount": 6.71
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.5
      }
    ]
  },
  {
    "id": "38511",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.74,
      "Al2O3": 12.54,
      "B2O3": 6.91,
      "Na2O": 4.23,
      "K2O": 1.86,
      "MgO": 1.61,
      "CaO": 9.14,
      "P2O5": 0.05,
      "TiO2": 5.2,
      "MnO": 0.0,
      "Fe2O3": 0.8,
      "CoO": 0.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 32.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "minspar 200",
        "amount": 12.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "vansil w-20 wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 111.5
      }
    ]
  },
  {
    "id": "38562",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.31,
      "Al2O3": 20.65,
      "K2O": 5.97,
      "CaO": 19.8,
      "CuO": 2.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 30.0
      },
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "38570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.44,
      "Al2O3": 14.49,
      "Na2O": 0.01,
      "K2O": 7.34,
      "MgO": 3.11,
      "CaO": 5.88,
      "P2O5": 0.05,
      "TiO2": 3.71,
      "Fe2O3": 0.54,
      "SnO2": 2.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 42.5
      },
      {
        "material": "silica",
        "amount": 20.1
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "whiting",
        "amount": 10.3
      },
      {
        "material": "talc",
        "amount": 9.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 2.4
      },
      {
        "material": "total",
        "amount": 106.4
      }
    ]
  },
  {
    "id": "38573",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.69,
      "Al2O3": 15.49,
      "Na2O": 0.93,
      "K2O": 3.12,
      "MgO": 1.93,
      "CaO": 12.38,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 2.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.6
      },
      {
        "material": "custer feldspar",
        "amount": 26.5
      },
      {
        "material": "ep kaolin",
        "amount": 24.3
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 7.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.9
      },
      {
        "material": "total",
        "amount": 101.9
      }
    ]
  },
  {
    "id": "38579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.49,
      "Al2O3": 13.16,
      "Na2O": 3.18,
      "K2O": 2.04,
      "MgO": 0.04,
      "CaO": 11.91,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "epsom salts",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 100.15
      }
    ]
  },
  {
    "id": "38595",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.63,
      "Al2O3": 19.45,
      "Na2O": 5.12,
      "K2O": 3.08,
      "MgO": 0.06,
      "CaO": 9.87,
      "SrO": 5.58,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 7.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 35.7
      },
      {
        "material": "nepheline syenite",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.4
      },
      {
        "material": "whiting",
        "amount": 14.3
      },
      {
        "material": "strontium carbonate",
        "amount": 7.1
      },
      {
        "material": "zinc oxide",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6404 vanadium yellow",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "38599",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 12.21,
      "B2O3": 2.84,
      "Na2O": 1.31,
      "K2O": 6.14,
      "CaO": 11.25,
      "CuO": 1.37,
      "SnO2": 5.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.61
      },
      {
        "material": "silica",
        "amount": 18.48
      },
      {
        "material": "frit 4124",
        "amount": 18.48
      },
      {
        "material": "whiting",
        "amount": 14.13
      },
      {
        "material": "kaolin",
        "amount": 10.87
      },
      {
        "material": "tin oxide",
        "amount": 5.43
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "38609",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.63,
      "Al2O3": 17.89,
      "Na2O": 3.02,
      "K2O": 4.46,
      "MgO": 4.79,
      "CaO": 12.88,
      "P2O5": 4.57,
      "TiO2": 0.01,
      "Fe2O3": 0.23,
      "CoO": 0.05,
      "NiO": 0.08,
      "ZnO": 5.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fff feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 105.0
      },
      {
        "material": "black nickel oxide",
        "amount": 0.08
      },
      {
        "material": "cobalt oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 105.13
      }
    ]
  },
  {
    "id": "38690",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.76,
      "Al2O3": 16.74,
      "Li2O": 0.41,
      "Na2O": 6.25,
      "K2O": 2.97,
      "MgO": 0.05,
      "CaO": 0.25,
      "SrO": 14.01,
      "TiO2": 5.19,
      "Fe2O3": 0.15,
      "CuO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay dark bell",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "38716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.19,
      "Al2O3": 13.26,
      "B2O3": 2.75,
      "Na2O": 7.14,
      "K2O": 0.05,
      "MgO": 3.17,
      "CaO": 6.05,
      "P2O5": 0.02,
      "TiO2": 4.55,
      "Fe2O3": 0.63,
      "CoO": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 98.5
      },
      {
        "material": "silica",
        "amount": 35.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.42
      },
      {
        "material": "total",
        "amount": 214.42
      }
    ]
  },
  {
    "id": "38734",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.31,
      "Al2O3": 27.36,
      "Li2O": 1.43,
      "Na2O": 7.94,
      "K2O": 2.58,
      "MgO": 0.16,
      "CaO": 0.48,
      "P2O5": 0.03,
      "TiO2": 0.31,
      "Fe2O3": 0.39,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 50.0
      },
      {
        "material": "spodumene",
        "amount": 17.0
      },
      {
        "material": "tennessee #10 ball clay",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "38752",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.1,
      "Al2O3": 13.24,
      "Na2O": 2.01,
      "K2O": 6.71,
      "MgO": 1.1,
      "CaO": 5.09,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 4.85,
      "CoO": 1.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 67.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "38876",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.95,
      "Al2O3": 11.91,
      "B2O3": 2.03,
      "Na2O": 2.13,
      "K2O": 4.13,
      "MgO": 2.64,
      "CaO": 10.52,
      "P2O5": 0.03,
      "TiO2": 0.06,
      "Fe2O3": 9.64,
      "CuO": 0.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.76
      },
      {
        "material": "whiting",
        "amount": 14.91
      },
      {
        "material": "silica",
        "amount": 13.52
      },
      {
        "material": "ep kaolin",
        "amount": 12.92
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.95
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 8.95
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 111.51
      }
    ]
  },
  {
    "id": "38897",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.12,
      "Al2O3": 11.28,
      "B2O3": 2.38,
      "Na2O": 2.1,
      "K2O": 1.28,
      "MgO": 0.49,
      "CaO": 14.1,
      "TiO2": 0.02,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silice 400 (solargil 2018)",
        "amount": 40.28
      },
      {
        "material": "carbonate de calcium (ceradel 2015)",
        "amount": 18.14
      },
      {
        "material": "kaolin a (ceradel 2015)",
        "amount": 18.14
      },
      {
        "material": "néphéline syenite (solargil 2018)",
        "amount": 14.47
      },
      {
        "material": "gerstley borate (solargil 2018)",
        "amount": 8.97
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "38907",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "loi",
        "amount": 0.0
      }
    ]
  },
  {
    "id": "39000",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.02,
      "Al2O3": 11.88,
      "B2O3": 6.18,
      "Na2O": 2.75,
      "K2O": 3.88,
      "MgO": 1.66,
      "CaO": 7.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "walkers fire engine red potters stain",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "39082",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.2,
      "Al2O3": 12.05,
      "Na2O": 0.91,
      "K2O": 3.06,
      "MgO": 2.66,
      "CaO": 10.56,
      "P2O5": 0.05,
      "TiO2": 7.51,
      "Fe2O3": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "39156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.49,
      "Al2O3": 10.46,
      "B2O3": 4.21,
      "Na2O": 1.96,
      "K2O": 2.38,
      "MgO": 0.39,
      "CaO": 14.01,
      "TiO2": 0.13,
      "ZrO2": 3.1,
      "Cr2O3": 0.04,
      "MnO": 0.02,
      "Fe2O3": 0.19,
      "SnO2": 4.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "vansil w-30 wollastonite",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "eckalite 1",
        "amount": 20.0
      },
      {
        "material": "potash feldspar",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.04
      },
      {
        "material": "total",
        "amount": 112.04
      }
    ]
  },
  {
    "id": "39182",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.54,
      "Al2O3": 20.25,
      "B2O3": 4.11,
      "Na2O": 1.87,
      "K2O": 6.74,
      "CaO": 13.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 27.0
      },
      {
        "material": "kaolin",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.5,
      "Al2O3": 20.53,
      "B2O3": 4.54,
      "Na2O": 2.02,
      "K2O": 5.43,
      "CaO": 11.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin",
        "amount": 32.0
      },
      {
        "material": "potash feldspar",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 26.69,
      "Al2O3": 6.9,
      "B2O3": 17.8,
      "Na2O": 3.2,
      "K2O": 12.51,
      "MgO": 3.1,
      "CaO": 19.2,
      "P2O5": 6.27,
      "TiO2": 0.15,
      "Fe2O3": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 42.0
      },
      {
        "material": "colemanite",
        "amount": 32.0
      },
      {
        "material": "ball clay",
        "amount": 14.0
      },
      {
        "material": "feldspar",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39187",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.38,
      "Al2O3": 13.67,
      "B2O3": 3.87,
      "Na2O": 3.14,
      "K2O": 1.32,
      "MgO": 0.55,
      "CaO": 12.74,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.24,
      "CoO": 0.35,
      "CuO": 3.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 23.4
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.6
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "39190",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.15,
      "Al2O3": 17.67,
      "B2O3": 4.61,
      "Na2O": 3.74,
      "K2O": 1.59,
      "MgO": 0.66,
      "CaO": 15.19,
      "P2O5": 0.09,
      "TiO2": 0.12,
      "Fe2O3": 0.31,
      "CoO": 0.18,
      "CuO": 3.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total base recipe",
        "amount": 0.0
      },
      {
        "material": "nepheline syenite",
        "amount": 27.04
      },
      {
        "material": "ep kaolin",
        "amount": 24.02
      },
      {
        "material": "whiting",
        "amount": 18.03
      },
      {
        "material": "silica",
        "amount": 15.9
      },
      {
        "material": "gerstley borate",
        "amount": 15.02
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 105.26
      }
    ]
  },
  {
    "id": "39201",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.57,
      "Al2O3": 25.23,
      "Na2O": 1.48,
      "K2O": 1.71,
      "MgO": 0.13,
      "CaO": 0.3,
      "P2O5": 0.02,
      "TiO2": 0.29,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 13.09
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "nc-4 feldspar",
        "amount": 9.0
      },
      {
        "material": "custer feldspar",
        "amount": 8.5
      },
      {
        "material": "pyrophyllite",
        "amount": 7.16
      },
      {
        "material": "nepheline syenite",
        "amount": 4.75
      },
      {
        "material": "minspar 200",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 116.5
      },
      {
        "material": "veegum t",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 119.5
      }
    ]
  },
  {
    "id": "39371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.6,
      "Al2O3": 17.16,
      "B2O3": 3.54,
      "Na2O": 3.52,
      "K2O": 1.64,
      "MgO": 3.53,
      "CaO": 7.81,
      "TiO2": 0.07,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 31.35
      },
      {
        "material": "каолин просяновский testing",
        "amount": 22.44
      },
      {
        "material": "silica",
        "amount": 22.19
      },
      {
        "material": "talc",
        "amount": 10.22
      },
      {
        "material": "whiting",
        "amount": 7.88
      },
      {
        "material": "calcium borate testing",
        "amount": 5.93
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "39394",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.15,
      "Al2O3": 7.96,
      "Na2O": 4.14,
      "K2O": 13.0,
      "MgO": 5.45,
      "CaO": 7.59,
      "P2O5": 5.58,
      "MnO": 0.89,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hardwood ash",
        "amount": 33.33
      },
      {
        "material": "nepheline syenite",
        "amount": 33.33
      },
      {
        "material": "silica",
        "amount": 33.33
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39424",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.48,
      "Al2O3": 19.36,
      "Na2O": 1.01,
      "K2O": 1.12,
      "MgO": 2.26,
      "CaO": 7.73,
      "P2O5": 0.02,
      "TiO2": 0.19,
      "ZrO2": 6.46,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "39426",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.31,
      "Al2O3": 18.78,
      "Na2O": 1.07,
      "K2O": 1.49,
      "MgO": 0.14,
      "CaO": 4.48,
      "P2O5": 0.01,
      "TiO2": 7.33,
      "ZrO2": 6.01,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "39427",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.59,
      "Al2O3": 21.47,
      "Na2O": 1.23,
      "K2O": 1.7,
      "MgO": 0.16,
      "CaO": 5.12,
      "P2O5": 0.02,
      "TiO2": 4.29,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "39429",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.47,
      "Al2O3": 21.1,
      "Na2O": 1.2,
      "K2O": 1.67,
      "MgO": 0.16,
      "CaO": 5.03,
      "P2O5": 0.02,
      "TiO2": 0.19,
      "Fe2O3": 6.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "39430",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.03,
      "Al2O3": 21.94,
      "Na2O": 1.25,
      "K2O": 1.74,
      "MgO": 0.17,
      "CaO": 5.23,
      "P2O5": 0.02,
      "TiO2": 0.2,
      "Fe2O3": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "39431",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.28,
      "Al2O3": 21.04,
      "Na2O": 1.2,
      "K2O": 1.67,
      "MgO": 0.16,
      "CaO": 5.02,
      "P2O5": 0.02,
      "TiO2": 6.21,
      "Fe2O3": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "39432",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.34,
      "Al2O3": 22.68,
      "Na2O": 1.18,
      "K2O": 1.31,
      "MgO": 0.18,
      "CaO": 5.62,
      "P2O5": 0.02,
      "TiO2": 0.22,
      "Fe2O3": 0.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 10.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 95.0
      }
    ]
  },
  {
    "id": "39694",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.55,
      "Al2O3": 9.93,
      "B2O3": 8.07,
      "Na2O": 6.44,
      "K2O": 0.56,
      "MgO": 3.41,
      "CaO": 9.66,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 32.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "39714",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.09,
      "Al2O3": 36.48,
      "Li2O": 1.23,
      "Na2O": 5.57,
      "K2O": 2.73,
      "MgO": 0.1,
      "CaO": 0.44,
      "TiO2": 0.15,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.0
      },
      {
        "material": "alumina",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39715",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.14,
      "Al2O3": 25.24,
      "Li2O": 0.83,
      "Na2O": 6.25,
      "K2O": 3.16,
      "MgO": 0.16,
      "CaO": 0.53,
      "TiO2": 0.31,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "ball clay",
        "amount": 30.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39716",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.72,
      "Al2O3": 21.9,
      "Na2O": 3.48,
      "K2O": 4.86,
      "MgO": 5.22,
      "CaO": 10.52,
      "TiO2": 0.06,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "devon china clay",
        "amount": 25.0
      },
      {
        "material": "bps potash feldspar",
        "amount": 25.0
      },
      {
        "material": "bps soda feldspar",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.82,
      "Al2O3": 9.68,
      "Na2O": 1.35,
      "K2O": 4.4,
      "MgO": 3.62,
      "CaO": 12.49,
      "P2O5": 0.94,
      "TiO2": 0.02,
      "Fe2O3": 1.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "39794",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.54,
      "Al2O3": 18.23,
      "Na2O": 1.73,
      "K2O": 5.79,
      "MgO": 5.03,
      "CaO": 13.54,
      "P2O5": 4.9,
      "TiO2": 0.09,
      "Fe2O3": 0.23,
      "CoO": 0.36,
      "NiO": 0.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "black nickel oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "39796",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.07,
      "Al2O3": 12.35,
      "Na2O": 1.47,
      "K2O": 4.92,
      "MgO": 0.01,
      "CaO": 12.33,
      "P2O5": 0.03,
      "TiO2": 2.21,
      "Fe2O3": 0.65,
      "NiO": 0.54,
      "SnO2": 5.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "black nickel oxide",
        "amount": 0.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "39798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.9,
      "Al2O3": 9.86,
      "B2O3": 0.38,
      "Na2O": 3.52,
      "K2O": 4.71,
      "MgO": 0.01,
      "CaO": 9.18,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "MnO2": 4.5,
      "Fe2O3": 0.08,
      "CuO": 0.67,
      "SnO2": 5.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "manganese dioxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "39864",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.03,
      "Al2O3": 5.24,
      "B2O3": 0.99,
      "Li2O": 2.82,
      "Na2O": 6.4,
      "K2O": 3.15,
      "CaO": 2.43,
      "Fe2O3": 21.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 45.5
      },
      {
        "material": "custer feldspar",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 18.6
      },
      {
        "material": "lithium carbonate",
        "amount": 8.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 28.0
      },
      {
        "material": "total",
        "amount": 128.0
      }
    ]
  },
  {
    "id": "39910",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.84,
      "Al2O3": 14.87,
      "B2O3": 5.23,
      "Na2O": 4.07,
      "K2O": 0.49,
      "MgO": 0.04,
      "CaO": 13.28,
      "SrO": 0.03,
      "BaO": 1.47,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "FeO": 0.02,
      "Fe2O3": 0.29,
      "ZnO": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39913",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.19,
      "Al2O3": 8.33,
      "B2O3": 12.29,
      "Na2O": 3.88,
      "K2O": 0.15,
      "MgO": 0.73,
      "CaO": 9.84,
      "P2O5": 0.07,
      "TiO2": 5.54,
      "Fe2O3": 0.83,
      "CoO": 0.19,
      "CuO": 1.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 109.3
      }
    ]
  },
  {
    "id": "39914",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.1,
      "Al2O3": 15.91,
      "Na2O": 5.19,
      "K2O": 5.88,
      "MgO": 32.78,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "magnesium carbonate",
        "amount": 50.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "39932",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.68,
      "Al2O3": 9.07,
      "B2O3": 10.5,
      "Na2O": 4.45,
      "K2O": 1.53,
      "MgO": 1.41,
      "CaO": 16.02,
      "P2O5": 6.28,
      "TiO2": 9.85,
      "Fe2O3": 0.22,
      "CoO": 2.47,
      "CuO": 2.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 118.0
      }
    ]
  },
  {
    "id": "39942",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.02,
      "Al2O3": 10.98,
      "B2O3": 5.71,
      "Na2O": 2.54,
      "K2O": 3.59,
      "MgO": 1.54,
      "CaO": 7.05,
      "TiO2": 4.69,
      "Fe2O3": 1.06,
      "CoO": 1.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "potash feldspar",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.4
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "39956",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.77,
      "Al2O3": 9.69,
      "B2O3": 4.57,
      "Na2O": 2.36,
      "K2O": 3.45,
      "MgO": 1.7,
      "CaO": 16.56,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.22,
      "Fe2O3": 0.14,
      "SnO2": 5.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.0
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.2
      }
    ]
  },
  {
    "id": "40213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.95,
      "Al2O3": 9.29,
      "B2O3": 3.3,
      "Na2O": 3.37,
      "K2O": 1.02,
      "MgO": 0.07,
      "CaO": 14.62,
      "TiO2": 0.19,
      "Cr2O3": 0.21,
      "Fe2O3": 0.21,
      "SnO2": 7.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "40218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.38,
      "Al2O3": 18.68,
      "B2O3": 2.67,
      "Na2O": 4.16,
      "K2O": 1.8,
      "MgO": 4.8,
      "CaO": 10.78,
      "P2O5": 0.01,
      "TiO2": 2.0,
      "Fe2O3": 0.37,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 34.0
      },
      {
        "material": "kaolin",
        "amount": 21.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 104.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
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    "id": "40224",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.48,
      "Al2O3": 13.49,
      "B2O3": 2.13,
      "Na2O": 0.99,
      "K2O": 5.27,
      "MgO": 3.12,
      "CaO": 10.78,
      "TiO2": 0.84,
      "Fe2O3": 0.16,
      "CoO": 1.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "borax fritte fr29581 (silex)",
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      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 118.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 121.0
      },
      {
        "material": "specific gravity",
        "amount": 1.3
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 50.12,
      "Al2O3": 18.3,
      "Na2O": 6.91,
      "K2O": 3.28,
      "MgO": 5.07,
      "CaO": 7.37,
      "TiO2": 0.06,
      "ZrO2": 6.46,
      "MnO2": 1.86,
      "Fe2O3": 0.24,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 65.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "zircopax",
        "amount": 9.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "40352",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.65,
      "Al2O3": 9.28,
      "B2O3": 2.56,
      "Na2O": 3.4,
      "K2O": 1.94,
      "MgO": 2.45,
      "CaO": 7.05,
      "P2O5": 0.01,
      "TiO2": 3.93,
      "Fe2O3": 0.54,
      "CuO": 0.53,
      "ZnO": 1.85,
      "SnO2": 2.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 952.0
      },
      {
        "material": "gerstley borate",
        "amount": 952.0
      },
      {
        "material": "whiting",
        "amount": 281.0
      },
      {
        "material": "zinc oxide",
        "amount": 184.0
      },
      {
        "material": "ep kaolin",
        "amount": 130.0
      },
      {
        "material": "bentonite",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 433.0
      },
      {
        "material": "tin oxide",
        "amount": 281.0
      },
      {
        "material": "copper carbonate",
        "amount": 82.0
      }
    ]
  },
  {
    "id": "40353",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.3,
      "Al2O3": 9.0,
      "B2O3": 2.61,
      "Na2O": 1.79,
      "K2O": 4.73,
      "MgO": 2.48,
      "CaO": 6.61,
      "SrO": 3.11,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.11,
      "CuO": 0.36,
      "ZnO": 1.99,
      "SnO2": 2.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.3
      },
      {
        "material": "silica",
        "amount": 26.8
      },
      {
        "material": "dolomite",
        "amount": 8.8
      },
      {
        "material": "gerstley borate",
        "amount": 8.8
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 2.6
      },
      {
        "material": "whiting",
        "amount": 2.6
      },
      {
        "material": "ep kaolin",
        "amount": 2.3
      },
      {
        "material": "zinc oxide",
        "amount": 1.8
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "40354",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.14,
      "Al2O3": 14.81,
      "Na2O": 2.87,
      "K2O": 1.86,
      "MgO": 0.02,
      "CaO": 10.73,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "MnO2": 1.04,
      "Fe2O3": 2.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.4
      },
      {
        "material": "manganese dioxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 111.6
      }
    ]
  },
  {
    "id": "40356",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.97,
      "Al2O3": 22.26,
      "B2O3": 0.56,
      "Li2O": 0.76,
      "Na2O": 7.21,
      "K2O": 3.37,
      "MgO": 0.15,
      "CaO": 3.85,
      "P2O5": 0.02,
      "TiO2": 0.96,
      "Fe2O3": 0.24,
      "CoO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 70.66
      },
      {
        "material": "petalite",
        "amount": 15.19
      },
      {
        "material": "ep kaolin",
        "amount": 7.07
      },
      {
        "material": "whiting",
        "amount": 5.07
      },
      {
        "material": "gerstley borate",
        "amount": 2.02
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.01
      },
      {
        "material": "rutile",
        "amount": 1.01
      },
      {
        "material": "total",
        "amount": 102.03
      }
    ]
  },
  {
    "id": "40357",
    "chemical_composition": {
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      "SiO2": 68.75,
      "Al2O3": 13.12,
      "Na2O": 3.15,
      "K2O": 2.01,
      "MgO": 0.03,
      "CaO": 11.69,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "40358",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.57,
      "Al2O3": 11.6,
      "Na2O": 1.65,
      "K2O": 5.23,
      "MgO": 0.07,
      "CaO": 7.19,
      "BaO": 1.86,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 8.39,
      "ZnO": 2.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.38
      },
      {
        "material": "silica",
        "amount": 20.14
      },
      {
        "material": "whiting",
        "amount": 11.64
      },
      {
        "material": "red iron oxide",
        "amount": 8.05
      },
      {
        "material": "ep kaolin",
        "amount": 5.37
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "barium carbonate",
        "amount": 2.24
      },
      {
        "material": "zinc oxide",
        "amount": 2.24
      },
      {
        "material": "total",
        "amount": 101.06
      }
    ]
  },
  {
    "id": "40359",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.3,
      "Al2O3": 12.72,
      "Na2O": 0.92,
      "K2O": 3.11,
      "MgO": 3.35,
      "CaO": 13.23,
      "P2O5": 6.49,
      "TiO2": 0.08,
      "Fe2O3": 9.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "40361",
    "chemical_composition": {
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      "SiO2": 51.68,
      "Al2O3": 17.97,
      "Na2O": 1.84,
      "K2O": 2.46,
      "MgO": 0.1,
      "CaO": 23.92,
      "P2O5": 0.06,
      "TiO2": 0.17,
      "Fe2O3": 0.29,
      "CoO": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "40362",
    "chemical_composition": {
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      "SiO2": 44.66,
      "Al2O3": 15.98,
      "Na2O": 0.27,
      "K2O": 9.55,
      "MgO": 0.12,
      "CaO": 17.55,
      "P2O5": 1.37,
      "TiO2": 0.01,
      "Fe2O3": 10.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "pearl ash",
        "amount": 11.0
      },
      {
        "material": "custer feldspar",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bone ash",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "40363",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.58,
      "Al2O3": 16.89,
      "Na2O": 1.73,
      "K2O": 2.31,
      "MgO": 0.1,
      "CaO": 22.49,
      "P2O5": 0.06,
      "TiO2": 0.16,
      "Fe2O3": 0.27,
      "CuO": 2.9,
      "SnO2": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 46.0
      },
      {
        "material": "whiting",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "40364",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.29,
      "Al2O3": 11.78,
      "Na2O": 1.35,
      "K2O": 4.51,
      "MgO": 1.73,
      "CaO": 4.49,
      "SrO": 4.71,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.72,
      "CoO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "strontium carbonate",
        "amount": 6.0
      },
      {
        "material": "whiting",
        "amount": 3.1
      },
      {
        "material": "total base recipe",
        "amount": 96.1
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 98.1
      }
    ]
  },
  {
    "id": "40401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.68,
      "Al2O3": 11.69,
      "Li2O": 2.78,
      "Na2O": 2.77,
      "K2O": 1.34,
      "MgO": 7.47,
      "CaO": 5.33,
      "P2O5": 0.04,
      "TiO2": 5.27,
      "ZrO2": 3.51,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.95
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 16.05
      },
      {
        "material": "ep kaolin",
        "amount": 13.17
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "lithium carbonate",
        "amount": 6.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "40402",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.9,
      "Al2O3": 11.54,
      "Li2O": 2.74,
      "Na2O": 2.73,
      "K2O": 1.32,
      "MgO": 7.37,
      "CaO": 5.26,
      "P2O5": 0.04,
      "TiO2": 5.2,
      "ZrO2": 3.46,
      "Fe2O3": 0.13,
      "CoO": 1.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.95
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 16.05
      },
      {
        "material": "ep kaolin",
        "amount": 13.17
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "lithium carbonate",
        "amount": 6.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "40403",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.89,
      "Al2O3": 11.53,
      "Li2O": 2.74,
      "Na2O": 2.73,
      "K2O": 1.32,
      "MgO": 7.37,
      "CaO": 5.26,
      "P2O5": 0.04,
      "TiO2": 5.2,
      "ZrO2": 3.46,
      "Fe2O3": 0.13,
      "CuO": 1.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.95
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 16.05
      },
      {
        "material": "ep kaolin",
        "amount": 13.17
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "lithium carbonate",
        "amount": 6.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "40418",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.87,
      "Al2O3": 18.65,
      "Na2O": 1.54,
      "K2O": 4.9,
      "MgO": 7.75,
      "CaO": 7.95,
      "P2O5": 1.32,
      "TiO2": 0.01,
      "Fe2O3": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 45.4
      },
      {
        "material": "kaolin",
        "amount": 22.2
      },
      {
        "material": "dolomite",
        "amount": 17.6
      },
      {
        "material": "talc",
        "amount": 9.3
      },
      {
        "material": "bone ash",
        "amount": 2.75
      },
      {
        "material": "silica",
        "amount": 2.75
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "40421",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.58,
      "Al2O3": 15.35,
      "Na2O": 4.65,
      "MgO": 3.21,
      "CaO": 9.62,
      "Fe2O3": 9.58,
      "ZnO": 3.02,
      "LOI": 0.0
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      {
        "material": "soda feldspar",
        "amount": 39.0
      },
      {
        "material": "kaolin",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
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      "K2O": 0.85,
      "MgO": 0.72,
      "CaO": 7.92,
      "P2O5": 0.05,
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      "Fe2O3": 0.16,
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    "ingredients": [
      {
        "material": "silica",
        "amount": 34.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 23.1
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      {
        "material": "ep kaolin",
        "amount": 17.8
      },
      {
        "material": "nepheline syenite",
        "amount": 16.6
      },
      {
        "material": "wollastonite",
        "amount": 6.3
      },
      {
        "material": "talc",
        "amount": 2.1
      },
      {
        "material": "total",
        "amount": 100.1
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    ]
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      "Fe2O3": 4.28,
      "LOI": 0.0
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    "ingredients": [
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        "material": "tinkar z",
        "amount": 40.0
      },
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
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      "LOI": 0.0
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        "material": "potash feldspar",
        "amount": 26.88
      },
      {
        "material": "whiting",
        "amount": 26.88
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      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.01
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      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
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    ]
  },
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    "id": "40509",
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      "K2O": 1.46,
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      "CaO": 5.75,
      "P2O5": 0.04,
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      "Fe2O3": 0.22,
      "CoO": 2.8,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 27.2
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      {
        "material": "silica",
        "amount": 25.3
      },
      {
        "material": "dolomite",
        "amount": 16.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.3
      },
      {
        "material": "talc",
        "amount": 11.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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      "Fe2O3": 3.63,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 40.0
      },
      {
        "material": "potash feldspar",
        "amount": 17.5
      },
      {
        "material": "whiting",
        "amount": 17.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40538",
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      "TiO2": 0.34,
      "Fe2O3": 3.69,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 31.25
      },
      {
        "material": "potash feldspar",
        "amount": 22.4
      },
      {
        "material": "whiting",
        "amount": 22.4
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
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    "id": "40539",
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      "Fe2O3": 3.54,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 41.67
      },
      {
        "material": "potash feldspar",
        "amount": 18.75
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      {
        "material": "whiting",
        "amount": 18.75
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
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    "id": "40540",
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      "Fe2O3": 4.04,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 36.67
      },
      {
        "material": "whiting",
        "amount": 36.67
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      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
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    ]
  },
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    "id": "40545",
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      "Fe2O3": 3.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 32.5
      },
      {
        "material": "whiting",
        "amount": 32.5
      },
      {
        "material": "silica",
        "amount": 10.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40547",
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      "Fe2O3": 3.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.5
      },
      {
        "material": "potash feldspar",
        "amount": 24.17
      },
      {
        "material": "whiting",
        "amount": 24.17
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
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    "id": "40549",
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      "Fe2O3": 3.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 43.33
      },
      {
        "material": "potash feldspar",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40554",
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      "Fe2O3": 3.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 45.0
      },
      {
        "material": "potash feldspar",
        "amount": 21.25
      },
      {
        "material": "whiting",
        "amount": 21.25
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40701",
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      "CaO": 17.43,
      "TiO2": 0.14,
      "Fe2O3": 3.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "potash feldspar",
        "amount": 27.71
      },
      {
        "material": "whiting",
        "amount": 27.71
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40702",
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      "CaO": 13.79,
      "TiO2": 0.12,
      "Fe2O3": 3.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 46.67
      },
      {
        "material": "potash feldspar",
        "amount": 22.5
      },
      {
        "material": "whiting",
        "amount": 22.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "40703",
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      "Fe2O3": 3.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 46.67
      },
      {
        "material": "whiting",
        "amount": 46.67
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
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    "id": "40704",
    "chemical_composition": {
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      "SiO2": 64.78,
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      "B2O3": 2.68,
      "Na2O": 1.8,
      "K2O": 4.52,
      "MgO": 0.41,
      "CaO": 9.49,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "ZrO2": 2.83,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "gerstley borate",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "40769",
    "chemical_composition": {
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      "SiO2": 50.3,
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      "MgO": 0.02,
      "CaO": 27.32,
      "TiO2": 0.09,
      "Fe2O3": 3.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 40.94
      },
      {
        "material": "whiting",
        "amount": 40.94
      },
      {
        "material": "silica",
        "amount": 12.08
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40786",
    "chemical_composition": {
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      "SiO2": 58.0,
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      "Na2O": 0.01,
      "K2O": 6.89,
      "MgO": 0.02,
      "CaO": 22.8,
      "TiO2": 0.08,
      "Fe2O3": 3.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 35.21
      },
      {
        "material": "whiting",
        "amount": 35.21
      },
      {
        "material": "silica",
        "amount": 24.17
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
  {
    "id": "40787",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.24,
      "Al2O3": 7.22,
      "Na2O": 0.01,
      "K2O": 5.61,
      "MgO": 0.02,
      "CaO": 18.55,
      "TiO2": 0.07,
      "Fe2O3": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.25
      },
      {
        "material": "potash feldspar",
        "amount": 29.48
      },
      {
        "material": "whiting",
        "amount": 29.48
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40788",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.08,
      "Al2O3": 5.73,
      "Na2O": 0.0,
      "K2O": 4.39,
      "MgO": 0.01,
      "CaO": 14.53,
      "TiO2": 0.06,
      "Fe2O3": 3.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 48.33
      },
      {
        "material": "potash feldspar",
        "amount": 23.75
      },
      {
        "material": "whiting",
        "amount": 23.75
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40789",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.02,
      "Al2O3": 11.32,
      "K2O": 10.46,
      "CaO": 34.67,
      "Fe2O3": 3.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 50.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40790",
    "chemical_composition": {
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      "K2O": 8.85,
      "CaO": 29.34,
      "Fe2O3": 3.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 43.75
      },
      {
        "material": "whiting",
        "amount": 43.75
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40791",
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      "SiO2": 57.05,
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      "K2O": 7.34,
      "CaO": 24.35,
      "Fe2O3": 3.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 37.5
      },
      {
        "material": "whiting",
        "amount": 37.5
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40793",
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      "SiO2": 72.04,
      "Al2O3": 4.99,
      "K2O": 4.6,
      "CaO": 15.27,
      "Fe2O3": 3.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 50.0
      },
      {
        "material": "potash feldspar",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "40969",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.76,
      "Al2O3": 9.21,
      "Na2O": 0.0,
      "K2O": 6.86,
      "MgO": 0.0,
      "CaO": 8.2,
      "P2O5": 0.01,
      "TiO2": 1.98,
      "Fe2O3": 0.97,
      "CoO": 2.47,
      "CuO": 3.78,
      "ZnO": 11.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.3
      },
      {
        "material": "silica",
        "amount": 26.9
      },
      {
        "material": "whiting",
        "amount": 14.9
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "40970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.18,
      "Al2O3": 11.96,
      "Li2O": 1.15,
      "Na2O": 0.06,
      "K2O": 7.04,
      "MgO": 3.04,
      "CaO": 7.38,
      "P2O5": 5.59,
      "FeO": 2.7,
      "Fe2O3": 6.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "bone ash",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 10.5
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "40994",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.99,
      "Al2O3": 10.51,
      "Li2O": 2.76,
      "Na2O": 0.0,
      "K2O": 0.02,
      "MgO": 1.27,
      "CaO": 0.16,
      "BaO": 26.2,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 32.1
      },
      {
        "material": "barium carbonate",
        "amount": 31.4
      },
      {
        "material": "silica",
        "amount": 29.9
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "41016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.02,
      "Al2O3": 5.11,
      "B2O3": 4.4,
      "Li2O": 0.88,
      "Na2O": 7.36,
      "K2O": 0.9,
      "MgO": 0.04,
      "CaO": 5.67,
      "Fe2O3": 0.07,
      "CoO": 18.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.77
      },
      {
        "material": "vsa 7036",
        "amount": 28.63
      },
      {
        "material": "cobalt oxide",
        "amount": 19.37
      },
      {
        "material": "fusion frit f644",
        "amount": 14.48
      },
      {
        "material": "whiting",
        "amount": 6.76
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "41059",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.06,
      "Al2O3": 8.74,
      "B2O3": 2.36,
      "Li2O": 1.55,
      "Na2O": 2.73,
      "K2O": 3.57,
      "MgO": 1.17,
      "CaO": 8.98,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Cr2O3": 0.18,
      "Fe2O3": 0.14,
      "CoO": 0.4,
      "SnO2": 5.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.78
      },
      {
        "material": "custer feldspar",
        "amount": 27.07
      },
      {
        "material": "nepheline syenite",
        "amount": 14.39
      },
      {
        "material": "whiting",
        "amount": 12.05
      },
      {
        "material": "gerstley borate",
        "amount": 8.43
      },
      {
        "material": "lithium carbonate",
        "amount": 3.65
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.63
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.88
      },
      {
        "material": "bentonite",
        "amount": 1.63
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.61
      },
      {
        "material": "chrome oxide",
        "amount": 0.17
      },
      {
        "material": "total",
        "amount": 107.29
      }
    ]
  },
  {
    "id": "41158",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.02,
      "Al2O3": 20.83,
      "Na2O": 6.88,
      "K2O": 7.3,
      "CaO": 6.89,
      "TiO2": 0.0,
      "Fe2O3": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "кварцевая мука silverbond 15",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "41182",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.21,
      "Al2O3": 16.87,
      "Li2O": 0.4,
      "Na2O": 5.87,
      "K2O": 2.83,
      "MgO": 0.14,
      "CaO": 0.46,
      "SrO": 13.79,
      "TiO2": 5.03,
      "Fe2O3": 0.24,
      "CuO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "41184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.49,
      "Al2O3": 10.88,
      "Na2O": 1.67,
      "K2O": 5.52,
      "MgO": 1.58,
      "CaO": 10.26,
      "P2O5": 0.92,
      "TiO2": 0.0,
      "Fe2O3": 1.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 25.5
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "dolomite",
        "amount": 6.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 3.5
      },
      {
        "material": "bone ash",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "41194",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.36,
      "Al2O3": 13.07,
      "Li2O": 2.39,
      "Na2O": 0.01,
      "K2O": 0.05,
      "MgO": 0.01,
      "CaO": 0.02,
      "BaO": 28.82,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "NiO": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite",
        "amount": 45.0
      },
      {
        "material": "barium carbonate",
        "amount": 34.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "41195",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.34,
      "Al2O3": 10.35,
      "B2O3": 6.21,
      "Na2O": 2.18,
      "K2O": 4.29,
      "MgO": 2.09,
      "CaO": 12.25,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41264",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.18,
      "Al2O3": 14.12,
      "B2O3": 7.59,
      "Li2O": 0.39,
      "Na2O": 4.49,
      "K2O": 3.15,
      "MgO": 0.54,
      "CaO": 5.21,
      "SrO": 0.01,
      "BaO": 0.68,
      "P2O5": 0.03,
      "TiO2": 7.91,
      "FeO": 0.01,
      "Fe2O3": 0.16,
      "ZnO": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 37.0
      },
      {
        "material": "frit 3069p",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "41622",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.46,
      "Al2O3": 18.22,
      "B2O3": 3.16,
      "Li2O": 0.83,
      "Na2O": 4.24,
      "K2O": 4.34,
      "MgO": 5.3,
      "CaO": 10.53,
      "SrO": 0.02,
      "BaO": 0.89,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "FeO": 0.01,
      "Fe2O3": 0.2,
      "ZnO": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 12.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "wollastonite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41632",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.95,
      "Al2O3": 19.45,
      "Na2O": 8.18,
      "K2O": 3.84,
      "MgO": 0.08,
      "CaO": 6.41,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 83.0
      },
      {
        "material": "wollastonite",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41757",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.4,
      "Al2O3": 13.74,
      "Na2O": 3.33,
      "K2O": 3.8,
      "MgO": 1.34,
      "CaO": 5.53,
      "BaO": 10.46,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.16,
      "ZnO": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 41.1
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "barium carbonate",
        "amount": 12.6
      },
      {
        "material": "whiting",
        "amount": 9.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.9
      },
      {
        "material": "total",
        "amount": 103.9
      }
    ]
  },
  {
    "id": "41761",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.5,
      "Al2O3": 14.59,
      "Na2O": 2.27,
      "K2O": 4.04,
      "MgO": 0.86,
      "CaO": 6.18,
      "P2O5": 0.12,
      "TiO2": 0.59,
      "Fe2O3": 3.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "red clay",
        "amount": 50.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 40.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41762",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.36,
      "Al2O3": 6.14,
      "B2O3": 1.92,
      "Li2O": 5.09,
      "Na2O": 2.27,
      "K2O": 2.27,
      "MgO": 1.75,
      "CaO": 9.1,
      "BaO": 1.7,
      "P2O5": 0.01,
      "TiO2": 3.55,
      "Fe2O3": 0.47,
      "SnO2": 3.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.48
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 23.61
      },
      {
        "material": "whiting",
        "amount": 12.39
      },
      {
        "material": "lithium carbonate",
        "amount": 11.26
      },
      {
        "material": "gerstley borate",
        "amount": 6.46
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.82
      },
      {
        "material": "barium carbonate",
        "amount": 1.98
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.55
      },
      {
        "material": "tin oxide",
        "amount": 3.05
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "41763",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.1,
      "Al2O3": 21.71,
      "Li2O": 0.39,
      "Na2O": 1.47,
      "K2O": 4.94,
      "MgO": 0.03,
      "CaO": 19.85,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "whiting",
        "amount": 29.0
      },
      {
        "material": "ep kaolin",
        "amount": 27.0
      },
      {
        "material": "spodumene",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41764",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.73,
      "Al2O3": 9.55,
      "Na2O": 2.17,
      "K2O": 1.92,
      "MgO": 0.01,
      "CaO": 7.97,
      "P2O5": 0.02,
      "TiO2": 4.2,
      "Fe2O3": 0.12,
      "ZnO": 3.13,
      "SnO2": 4.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 46.9
      },
      {
        "material": "silica",
        "amount": 30.03
      },
      {
        "material": "whiting",
        "amount": 14.73
      },
      {
        "material": "ep kaolin",
        "amount": 8.34
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.33
      },
      {
        "material": "titanium dioxide",
        "amount": 4.33
      },
      {
        "material": "zinc oxide",
        "amount": 3.25
      },
      {
        "material": "total",
        "amount": 111.91
      }
    ]
  },
  {
    "id": "41939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.37,
      "Al2O3": 18.87,
      "B2O3": 0.17,
      "Na2O": 8.83,
      "K2O": 3.83,
      "MgO": 0.08,
      "CaO": 7.77,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 79.5
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "41976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.23,
      "Al2O3": 15.0,
      "B2O3": 1.62,
      "Na2O": 5.22,
      "K2O": 4.68,
      "MgO": 3.55,
      "CaO": 2.92,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 0.06,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 6.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 28.0
      },
      {
        "material": "potash feldspar",
        "amount": 23.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 16.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 15.0
      },
      {
        "material": "dolomite",
        "amount": 6.5
      },
      {
        "material": "talc",
        "amount": 6.5
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "43574",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.33,
      "Al2O3": 18.97,
      "B2O3": 0.16,
      "Na2O": 8.8,
      "K2O": 3.84,
      "MgO": 0.08,
      "CaO": 7.74,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 80.0
      },
      {
        "material": "wollastonite",
        "amount": 14.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "43935",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.85,
      "Al2O3": 5.16,
      "B2O3": 2.25,
      "Na2O": 2.67,
      "K2O": 3.21,
      "MgO": 0.13,
      "CaO": 10.42,
      "TiO2": 0.06,
      "Fe2O3": 0.11,
      "ZnO": 16.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 19.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "potash feldspar",
        "amount": 13.5
      },
      {
        "material": "tinkar z",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "43998",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.1,
      "Al2O3": 14.44,
      "Na2O": 2.66,
      "K2O": 3.84,
      "MgO": 0.07,
      "CaO": 9.97,
      "TiO2": 0.24,
      "Fe2O3": 11.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar dp hasta diciembre 2018",
        "amount": 35.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "tinkar z",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "44023",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.62,
      "Al2O3": 10.64,
      "Na2O": 0.01,
      "K2O": 5.8,
      "MgO": 3.84,
      "CaO": 9.57,
      "TiO2": 0.02,
      "Fe2O3": 10.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "44294",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.61,
      "Al2O3": 14.82,
      "Na2O": 1.76,
      "K2O": 5.25,
      "MgO": 1.58,
      "CaO": 5.47,
      "TiO2": 0.02,
      "Fe2O3": 9.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar dp hasta diciembre 2018",
        "amount": 55.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "44468",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 32.17,
      "Al2O3": 13.71,
      "Na2O": 0.12,
      "K2O": 1.07,
      "MgO": 0.09,
      "CaO": 0.04,
      "BaO": 0.01,
      "P2O5": 0.02,
      "TiO2": 52.39,
      "ZrO2": 0.03,
      "MnO": 0.02,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "titanium dioxide",
        "amount": 50.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "44572",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 27.94,
      "Al2O3": 9.5,
      "Na2O": 2.42,
      "K2O": 8.28,
      "MgO": 2.34,
      "CaO": 7.18,
      "BaO": 0.0,
      "P2O5": 4.69,
      "TiO2": 34.42,
      "ZrO2": 0.02,
      "MnO": 0.01,
      "Fe2O3": 3.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 33.33
      },
      {
        "material": "titanium dioxide",
        "amount": 33.33
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 33.33
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "46603",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.64,
      "Al2O3": 14.21,
      "B2O3": 2.79,
      "Na2O": 4.03,
      "K2O": 2.51,
      "MgO": 0.4,
      "CaO": 12.92,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.15,
      "CuO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 53.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "mason 6600 black stain",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "49239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.36,
      "Al2O3": 24.05,
      "Li2O": 9.92,
      "Na2O": 5.78,
      "K2O": 2.8,
      "MgO": 0.09,
      "CaO": 0.46,
      "P2O5": 0.07,
      "TiO2": 6.09,
      "MnO2": 1.45,
      "Fe2O3": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 53.03
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "lithium carbonate",
        "amount": 21.97
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "49594",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.04,
      "Al2O3": 9.49,
      "B2O3": 9.35,
      "Na2O": 2.77,
      "K2O": 5.08,
      "MgO": 1.31,
      "CaO": 13.59,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "gerstley borate",
        "amount": 30.0
      },
      {
        "material": "plastic vitrox",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "49597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.94,
      "Al2O3": 8.12,
      "B2O3": 5.85,
      "Na2O": 1.71,
      "K2O": 2.89,
      "MgO": 9.22,
      "CaO": 7.11,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 24.8
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "gerstley borate",
        "amount": 19.3
      },
      {
        "material": "talc",
        "amount": 17.9
      },
      {
        "material": "dolomite",
        "amount": 8.1
      },
      {
        "material": "kaolin",
        "amount": 6.9
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "49691",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.2,
      "Al2O3": 12.85,
      "Na2O": 2.29,
      "K2O": 4.42,
      "MgO": 0.09,
      "CaO": 16.11,
      "TiO2": 0.1,
      "MnO2": 1.44,
      "Fe2O3": 6.44,
      "CoO": 0.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 60.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.6
      }
    ]
  },
  {
    "id": "49909",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.56,
      "Al2O3": 10.73,
      "B2O3": 1.49,
      "Li2O": 1.12,
      "Na2O": 1.65,
      "K2O": 0.5,
      "MgO": 5.98,
      "CaO": 7.08,
      "P2O5": 4.39,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "SnO2": 9.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "bone ash",
        "amount": 11.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "49958",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.97,
      "Al2O3": 10.35,
      "Na2O": 1.81,
      "K2O": 5.72,
      "MgO": 4.6,
      "CaO": 18.04,
      "P2O5": 8.76,
      "TiO2": 4.42,
      "Fe2O3": 5.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 57.89
      },
      {
        "material": "bone ash",
        "amount": 21.05
      },
      {
        "material": "dolomite",
        "amount": 21.05
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 113.49
      }
    ]
  },
  {
    "id": "49959",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.6,
      "Al2O3": 15.51,
      "B2O3": 1.59,
      "Li2O": 3.86,
      "Na2O": 4.89,
      "K2O": 2.24,
      "MgO": 0.27,
      "CaO": 6.81,
      "P2O5": 0.04,
      "TiO2": 11.89,
      "Fe2O3": 0.16,
      "CuO": 1.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 96.5
      }
    ]
  },
  {
    "id": "49961",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.94,
      "Al2O3": 12.64,
      "B2O3": 14.82,
      "Li2O": 0.06,
      "Na2O": 3.77,
      "K2O": 5.44,
      "MgO": 1.94,
      "CaO": 10.9,
      "SrO": 1.98,
      "P2O5": 0.08,
      "TiO2": 0.09,
      "Fe2O3": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 46.5
      },
      {
        "material": "custer feldspar",
        "amount": 43.6
      },
      {
        "material": "ep kaolin",
        "amount": 6.91
      },
      {
        "material": "strontium carbonate",
        "amount": 2.37
      },
      {
        "material": "spodumene",
        "amount": 0.62
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "49965",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.44,
      "Al2O3": 20.07,
      "Li2O": 1.13,
      "Na2O": 0.44,
      "K2O": 0.83,
      "MgO": 2.64,
      "CaO": 5.9,
      "P2O5": 0.08,
      "TiO2": 0.23,
      "Fe2O3": 1.14,
      "ZnO": 5.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 23.57
      },
      {
        "material": "ep kaolin",
        "amount": 16.93
      },
      {
        "material": "redart",
        "amount": 12.78
      },
      {
        "material": "spodumene",
        "amount": 12.71
      },
      {
        "material": "calcined kaolin",
        "amount": 12.08
      },
      {
        "material": "dolomite",
        "amount": 9.86
      },
      {
        "material": "zinc oxide",
        "amount": 4.62
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "nepheline syenite",
        "amount": 3.46
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "49966",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.38,
      "Al2O3": 10.3,
      "Na2O": 3.91,
      "K2O": 12.63,
      "MgO": 3.11,
      "CaO": 9.7,
      "P2O5": 6.25,
      "TiO2": 7.67,
      "Fe2O3": 5.08,
      "CuO": 2.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mixed wood ash",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 9.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "49972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.58,
      "Al2O3": 17.49,
      "Na2O": 1.8,
      "K2O": 4.55,
      "MgO": 9.57,
      "CaO": 1.64,
      "SrO": 5.19,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.81
      },
      {
        "material": "talc",
        "amount": 27.62
      },
      {
        "material": "calcined kaolin",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 7.66
      },
      {
        "material": "dolomite",
        "amount": 5.04
      },
      {
        "material": "soda ash",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 112.03
      }
    ]
  },
  {
    "id": "49973",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.05,
      "Al2O3": 25.96,
      "Li2O": 1.09,
      "Na2O": 1.61,
      "K2O": 2.19,
      "MgO": 0.11,
      "CaO": 1.28,
      "P2O5": 0.1,
      "TiO2": 0.22,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 31.8
      },
      {
        "material": "ep kaolin",
        "amount": 25.6
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 0.4
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      {
        "material": "total",
        "amount": 70.3
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    ]
  },
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      "MgO": 6.61,
      "CaO": 4.69,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "MnO2": 7.09,
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 40.9
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      {
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        "amount": 19.1
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      {
        "material": "calcined talc, magnesium silicate",
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      {
        "material": "gerstley borate",
        "amount": 11.5
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      {
        "material": "dolomite",
        "amount": 7.3
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      {
        "material": "ball clay",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 8.0
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      {
        "material": "total",
        "amount": 108.0
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    ]
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    "ingredients": [
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        "material": "cornwall stone",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "talc",
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      },
      {
        "material": "wollastonite",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "ingredients": [
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        "material": "new zealand halloysite",
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      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "mahavir potash feldspar",
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      },
      {
        "material": "total",
        "amount": 100.0
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        "material": "ep kaolin",
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      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "mahavir potash feldspar",
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      },
      {
        "material": "total",
        "amount": 100.0
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    "ingredients": [
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        "material": "grolleg kaolin",
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      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "mahavir potash feldspar",
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      {
        "material": "total",
        "amount": 100.0
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    ]
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    "ingredients": [
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        "material": "helmer kaolin",
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      {
        "material": "silica",
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      },
      {
        "material": "mahavir potash feldspar",
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      },
      {
        "material": "total",
        "amount": 100.0
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    "ingredients": [
      {
        "material": "tile #6 kaolin",
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      {
        "material": "silica",
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      },
      {
        "material": "mahavir potash feldspar",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
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      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 25.0
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      {
        "material": "total",
        "amount": 100.0
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    ]
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    "ingredients": [
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        "material": "goldart",
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      {
        "material": "silica",
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      },
      {
        "material": "mahavir potash feldspar",
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      {
        "material": "total",
        "amount": 100.0
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    "ingredients": [
      {
        "material": "xx sagger ball clay",
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      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
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    "ingredients": [
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        "material": "redart",
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      {
        "material": "silica",
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      {
        "material": "mahavir potash feldspar",
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      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "57433",
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        "material": "analysis weight",
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      {
        "material": "calculated oxide weight",
        "amount": 265.606
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      {
        "material": "loi",
        "amount": 1.55
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    "id": "58139",
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      "ZnO": 7.69,
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    "ingredients": [
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        "material": "johnson matthey frit 169",
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      {
        "material": "forshammar feldspar",
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      {
        "material": "whiting",
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      {
        "material": "silica",
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        "material": "bentonite",
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      {
        "material": "zinc oxide",
        "amount": 5.5
      },
      {
        "material": "ep kaolin",
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      {
        "material": "total base recipe",
        "amount": 99.9
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      {
        "material": "tin oxide",
        "amount": 9.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.9
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    "id": "58840",
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        "material": "nepheline syenite",
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        "material": "silica",
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      {
        "material": "kaolin",
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      {
        "material": "talc",
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      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
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    ]
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        "material": "ep kaolin",
        "amount": 33.36
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      {
        "material": "silica",
        "amount": 32.4
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      {
        "material": "ferro frit 3134",
        "amount": 30.86
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      {
        "material": "whiting",
        "amount": 3.38
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6306 vivid blue",
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      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
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        "material": "silica",
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      {
        "material": "ep kaolin",
        "amount": 35.43
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        "material": "ferro frit 3134",
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      {
        "material": "whiting",
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      {
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      },
      {
        "material": "mason stain #6306 vivid blue",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
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    ]
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    "id": "59413",
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      "TiO2": 8.43,
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    "ingredients": [
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        "material": "ferro frit 3134",
        "amount": 27.2
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      {
        "material": "nepheline syenite",
        "amount": 27.2
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      {
        "material": "zinc oxide",
        "amount": 21.7
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      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "kaolin",
        "amount": 6.5
      },
      {
        "material": "barium carbonate",
        "amount": 5.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.0
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    ]
  },
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    "id": "59439",
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    "ingredients": [
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        "material": "custer feldspar",
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      {
        "material": "silica",
        "amount": 22.3
      },
      {
        "material": "ferro frit 3110",
        "amount": 20.1
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      {
        "material": "kaolin",
        "amount": 8.9
      },
      {
        "material": "strontium carbonate",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.9
      },
      {
        "material": "whiting",
        "amount": 1.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
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    ]
  },
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    "id": "60031",
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    },
    "ingredients": [
      {
        "material": "new zealand halloysite",
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      },
      {
        "material": "silica",
        "amount": 24.5
      },
      {
        "material": "minspar 200",
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      },
      {
        "material": "ferro frit 3110",
        "amount": 10.0
      },
      {
        "material": "velvacast kaolin discontinued",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "veegum t",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
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    ]
  },
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    "id": "60500",
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      "TiO2": 0.06,
      "Fe2O3": 0.19,
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    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
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      },
      {
        "material": "whiting",
        "amount": 30.91
      },
      {
        "material": "nepheline syenite",
        "amount": 15.45
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "61013",
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      "TiO2": 0.71,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "diamond kaolin",
        "amount": 41.48
      },
      {
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "nepheline syenite",
        "amount": 8.77
      },
      {
        "material": "silica",
        "amount": 1.78
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
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      "TiO2": 0.67,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "diamond kaolin",
        "amount": 39.09
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 28.68
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      {
        "material": "whiting",
        "amount": 16.53
      },
      {
        "material": "nepheline syenite",
        "amount": 8.26
      },
      {
        "material": "silica",
        "amount": 7.43
      },
      {
        "material": "total",
        "amount": 99.99
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    ]
  },
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    "id": "61015",
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      "TiO2": 0.62,
      "Fe2O3": 0.39,
      "LOI": 0.0
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    "ingredients": [
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        "material": "diamond kaolin",
        "amount": 36.98
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 27.13
      },
      {
        "material": "whiting",
        "amount": 15.63
      },
      {
        "material": "silica",
        "amount": 12.44
      },
      {
        "material": "nepheline syenite",
        "amount": 7.81
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
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    "id": "61016",
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      "K2O": 1.51,
      "MgO": 0.22,
      "CaO": 11.42,
      "TiO2": 0.59,
      "Fe2O3": 0.37,
      "LOI": 0.0
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    "ingredients": [
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        "material": "diamond kaolin",
        "amount": 35.07
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 25.73
      },
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        "material": "crecer frit 804 /2012",
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      },
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        "material": "whiting",
        "amount": 23.09
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      {
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        "material": "nepheline syenite",
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      {
        "material": "silica",
        "amount": 4.21
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "ingredients": [
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      {
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      {
        "material": "silica",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "ingredients": [
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        "material": "crecer frit 804 /2012",
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        "amount": 12.52
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      {
        "material": "silica",
        "amount": 1.16
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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      {
        "material": "silica",
        "amount": 5.01
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      {
        "material": "total",
        "amount": 99.99
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    ]
  },
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    "id": "61383",
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      {
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason stain #6306 vivid blue",
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      },
      {
        "material": "total",
        "amount": 100.5
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    ]
  },
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    "id": "61384",
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    "ingredients": [
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        "material": "ferro frit 3124",
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      {
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      {
        "material": "gerstley borate",
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      {
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        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "mason stain #6306 vivid blue",
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      },
      {
        "material": "total",
        "amount": 100.49
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    ]
  },
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    "ingredients": [
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        "material": "minspar 200",
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      {
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      {
        "material": "silica",
        "amount": 16.89
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      {
        "material": "ep kaolin",
        "amount": 14.63
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      {
        "material": "whiting",
        "amount": 5.25
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "61624",
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        "material": "potash feldspar",
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      {
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        "amount": 20.0
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      {
        "material": "silica",
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      },
      {
        "material": "kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "rutile",
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      },
      {
        "material": "total",
        "amount": 105.0
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    ]
  },
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    "id": "63876",
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      {
        "material": "silica",
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      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "forshammar feldspar",
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      {
        "material": "talc",
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      {
        "material": "whiting",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "64093",
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        "material": "feldspar forshammar testing",
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      {
        "material": "ep kaolin",
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        "material": "whiting",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "silica",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
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    ]
  },
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    "id": "64603",
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    "ingredients": [
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        "material": "silica",
        "amount": 37.07
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      {
        "material": "crecer frit 804 /2012",
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        "material": "soda ash",
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      {
        "material": "soda feldspar",
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      {
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      {
        "material": "carbonato de potasio / pearl ash",
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      {
        "material": "diamond kaolin",
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      },
      {
        "material": "total",
        "amount": 99.99
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    ]
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    "id": "64793",
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    "ingredients": [
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        "material": "tile #6 kaolin",
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      },
      {
        "material": "custer feldspar",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "tennessee ball clay",
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      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "64794",
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    "ingredients": [
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        "material": "nepheline syenite",
        "amount": 33.0
      },
      {
        "material": "silica",
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      },
      {
        "material": "grolleg kaolin",
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      },
      {
        "material": "xx sagger ball clay",
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      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "64797",
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    "ingredients": [
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        "material": "minspar 200",
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      },
      {
        "material": "tile #6 kaolin",
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      },
      {
        "material": "grolleg kaolin",
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      },
      {
        "material": "ferro frit 3124",
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      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "64799",
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      "Fe2O3": 0.51,
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    "ingredients": [
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        "material": "grolleg kaolin",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "64800",
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      "Fe2O3": 0.51,
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        "material": "tile #6 kaolin",
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      },
      {
        "material": "grolleg kaolin",
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      },
      {
        "material": "minspar 200",
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      },
      {
        "material": "cornwall stone",
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      },
      {
        "material": "ball clay",
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      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "64802",
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      "CaO": 1.58,
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      "MnO": 0.0,
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    },
    "ingredients": [
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        "material": "nepheline syenite a270",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "vansil w-30 wollastonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "64804",
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      "TiO2": 0.05,
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      "LOI": 0.0
    },
    "ingredients": [
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        "material": "grolleg kaolin",
        "amount": 55.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "pyrophyllite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "65501",
    "chemical_composition": {
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      "SiO2": 44.25,
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      "CaO": 16.81,
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      "ZrO2": 15.31,
      "Fe2O3": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 45.47
      },
      {
        "material": "zircopax",
        "amount": 21.34
      },
      {
        "material": "whiting",
        "amount": 18.56
      },
      {
        "material": "bone ash",
        "amount": 9.29
      },
      {
        "material": "talc",
        "amount": 3.71
      },
      {
        "material": "bentonite",
        "amount": 1.63
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "65504",
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      "MgO": 0.03,
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      "BaO": 16.54,
      "TiO2": 1.93,
      "Fe2O3": 4.41,
      "ZnO": 8.12,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 50.48
      },
      {
        "material": "barium carbonate",
        "amount": 20.39
      },
      {
        "material": "ball clay",
        "amount": 9.71
      },
      {
        "material": "whiting",
        "amount": 8.74
      },
      {
        "material": "zinc oxide",
        "amount": 7.77
      },
      {
        "material": "silica",
        "amount": 2.92
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 4.08
      },
      {
        "material": "rutile",
        "amount": 1.95
      },
      {
        "material": "total",
        "amount": 106.04
      }
    ]
  },
  {
    "id": "65514",
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      "MgO": 2.67,
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      "TiO2": 0.08,
      "Fe2O3": 9.68,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 33.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "65516",
    "chemical_composition": {
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      "Na2O": 1.87,
      "K2O": 5.52,
      "MgO": 0.21,
      "CaO": 6.5,
      "P2O5": 0.01,
      "TiO2": 0.07,
      "Fe2O3": 4.27,
      "CoO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 55.56
      },
      {
        "material": "silica",
        "amount": 22.22
      },
      {
        "material": "wollastonite",
        "amount": 11.11
      },
      {
        "material": "gerstley borate",
        "amount": 5.56
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 5.56
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 4.44
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.11
      },
      {
        "material": "total",
        "amount": 105.56
      }
    ]
  },
  {
    "id": "65520",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.27,
      "Al2O3": 15.09,
      "Na2O": 4.03,
      "K2O": 2.55,
      "MgO": 7.02,
      "CaO": 9.09,
      "P2O5": 6.2,
      "TiO2": 0.03,
      "Fe2O3": 8.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 61.37
      },
      {
        "material": "bone ash",
        "amount": 14.77
      },
      {
        "material": "magnesium carbonate",
        "amount": 14.77
      },
      {
        "material": "ep kaolin",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.09
      },
      {
        "material": "bentonite",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 111.59
      }
    ]
  },
  {
    "id": "65636",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.2,
      "Al2O3": 16.47,
      "B2O3": 4.1,
      "Li2O": 0.73,
      "Na2O": 3.33,
      "K2O": 1.15,
      "MgO": 0.28,
      "CaO": 3.83,
      "SrO": 20.37,
      "P2O5": 0.09,
      "TiO2": 0.08,
      "MnO2": 0.01,
      "Fe2O3": 0.21,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "spodumene - canadian",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "65847",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.92,
      "Al2O3": 10.38,
      "Na2O": 1.81,
      "K2O": 5.66,
      "MgO": 4.56,
      "CaO": 17.85,
      "P2O5": 8.66,
      "TiO2": 4.6,
      "Fe2O3": 5.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.46
      },
      {
        "material": "bone ash",
        "amount": 18.35
      },
      {
        "material": "dolomite",
        "amount": 18.35
      },
      {
        "material": "red iron oxide",
        "amount": 4.59
      },
      {
        "material": "rutile",
        "amount": 4.59
      },
      {
        "material": "bentonite",
        "amount": 3.67
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "65848",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.94,
      "Al2O3": 18.22,
      "Na2O": 3.55,
      "K2O": 2.3,
      "MgO": 4.81,
      "CaO": 10.11,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.2,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 47.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "66263",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.8,
      "Al2O3": 6.18,
      "B2O3": 8.29,
      "Na2O": 6.83,
      "K2O": 0.84,
      "MgO": 4.27,
      "CaO": 0.77,
      "SrO": 0.05,
      "BaO": 2.33,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "FeO": 0.03,
      "Fe2O3": 0.09,
      "CoO": 3.66,
      "ZnO": 1.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "johnson matthey frit 169",
        "amount": 31.1
      },
      {
        "material": "silica",
        "amount": 27.9
      },
      {
        "material": "forshammar feldspar",
        "amount": 19.8
      },
      {
        "material": "talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "67307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.61,
      "Al2O3": 17.97,
      "B2O3": 2.9,
      "Li2O": 0.87,
      "Na2O": 6.32,
      "K2O": 0.04,
      "MgO": 2.75,
      "CaO": 5.4,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.04,
      "CuO": 1.74,
      "ZnO": 4.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 46.0
      },
      {
        "material": "kaolin",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "67310",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.47,
      "Al2O3": 17.17,
      "B2O3": 3.1,
      "Li2O": 1.11,
      "Na2O": 4.71,
      "K2O": 1.11,
      "MgO": 5.38,
      "CaO": 8.7,
      "P2O5": 0.06,
      "TiO2": 0.38,
      "Fe2O3": 1.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "spodumene",
        "amount": 12.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "69557",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.59,
      "Al2O3": 13.91,
      "Na2O": 2.03,
      "K2O": 2.25,
      "MgO": 0.19,
      "CaO": 10.03,
      "P2O5": 0.07,
      "TiO2": 0.19,
      "Fe2O3": 0.97,
      "ZnO": 7.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 37.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "red clay",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "71376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.01,
      "Al2O3": 17.08,
      "B2O3": 2.99,
      "Li2O": 1.54,
      "Na2O": 2.05,
      "K2O": 1.31,
      "MgO": 2.48,
      "CaO": 6.85,
      "P2O5": 0.04,
      "TiO2": 0.23,
      "Cr2O3": 1.04,
      "MnO2": 1.81,
      "Fe2O3": 3.89,
      "CoO": 0.66,
      "ZnO": 4.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "spodumene",
        "amount": 18.46
      },
      {
        "material": "nepheline syenite a270",
        "amount": 14.26
      },
      {
        "material": "silica",
        "amount": 13.84
      },
      {
        "material": "gerstley borate",
        "amount": 10.71
      },
      {
        "material": "redart",
        "amount": 10.71
      },
      {
        "material": "calcined kaolin",
        "amount": 8.97
      },
      {
        "material": "dolomite",
        "amount": 8.26
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.55
      },
      {
        "material": "zinc oxide",
        "amount": 3.87
      },
      {
        "material": "whiting",
        "amount": 3.36
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.99
      }
    ]
  },
  {
    "id": "71378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.8,
      "Al2O3": 11.47,
      "B2O3": 9.13,
      "Na2O": 5.06,
      "K2O": 1.25,
      "MgO": 1.61,
      "CaO": 7.44,
      "P2O5": 0.05,
      "TiO2": 12.97,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 27.87
      },
      {
        "material": "silica",
        "amount": 23.51
      },
      {
        "material": "nepheline syenite a270",
        "amount": 23.03
      },
      {
        "material": "ep kaolin",
        "amount": 9.48
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.07
      },
      {
        "material": "calcined kaolin",
        "amount": 4.74
      },
      {
        "material": "soda ash",
        "amount": 1.61
      },
      {
        "material": "whiting",
        "amount": 1.42
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.33
      },
      {
        "material": "borax",
        "amount": 0.95
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "titanium dioxide",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 113.01
      }
    ]
  },
  {
    "id": "71382",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.83,
      "Al2O3": 20.43,
      "B2O3": 2.11,
      "Na2O": 3.54,
      "K2O": 2.59,
      "MgO": 3.69,
      "CaO": 8.24,
      "P2O5": 0.03,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "ZnO": 3.31,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 20.4
      },
      {
        "material": "cornwall stone",
        "amount": 20.2
      },
      {
        "material": "custer feldspar",
        "amount": 13.5
      },
      {
        "material": "dolomite",
        "amount": 13.5
      },
      {
        "material": "silica",
        "amount": 9.2
      },
      {
        "material": "ep kaolin",
        "amount": 7.7
      },
      {
        "material": "gerstley borate",
        "amount": 6.9
      },
      {
        "material": "soda ash",
        "amount": 3.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.9
      },
      {
        "material": "whiting",
        "amount": 2.4
      },
      {
        "material": "total",
        "amount": 100.2
      }
    ]
  },
  {
    "id": "71414",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.67,
      "Al2O3": 20.95,
      "B2O3": 0.96,
      "Na2O": 0.64,
      "K2O": 0.36,
      "MgO": 1.03,
      "CaO": 20.21,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 35.62
      },
      {
        "material": "calcined kaolin",
        "amount": 28.66
      },
      {
        "material": "ep kaolin",
        "amount": 10.24
      },
      {
        "material": "silica",
        "amount": 8.8
      },
      {
        "material": "minspar 200",
        "amount": 7.06
      },
      {
        "material": "dolomite",
        "amount": 3.89
      },
      {
        "material": "gerstley borate",
        "amount": 3.38
      },
      {
        "material": "alumina hydrate",
        "amount": 2.35
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "72401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.79,
      "Al2O3": 20.92,
      "K2O": 6.33,
      "MgO": 7.66,
      "CaO": 14.72,
      "CuO": 1.16,
      "SnO2": 2.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar",
        "amount": 31.0
      },
      {
        "material": "dolomite",
        "amount": 29.0
      },
      {
        "material": "kaolin",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "75232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.69,
      "Al2O3": 13.75,
      "B2O3": 7.82,
      "Li2O": 0.41,
      "Na2O": 2.91,
      "K2O": 4.04,
      "MgO": 0.57,
      "CaO": 6.86,
      "P2O5": 0.01,
      "TiO2": 7.83,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 39.36
      },
      {
        "material": "frit 3069p",
        "amount": 19.15
      },
      {
        "material": "silica",
        "amount": 13.83
      },
      {
        "material": "frit nr 2 testing",
        "amount": 13.83
      },
      {
        "material": "whiting",
        "amount": 9.57
      },
      {
        "material": "ep kaolin",
        "amount": 4.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "75363",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.86,
      "Al2O3": 16.55,
      "B2O3": 0.11,
      "Na2O": 2.99,
      "K2O": 2.49,
      "MgO": 1.05,
      "CaO": 7.18,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.0,
      "Fe2O3": 0.09,
      "ZnO": 2.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 21.24
      },
      {
        "material": "silica",
        "amount": 18.6
      },
      {
        "material": "calcined kaolin",
        "amount": 15.5
      },
      {
        "material": "custer feldspar",
        "amount": 15.12
      },
      {
        "material": "whiting",
        "amount": 9.15
      },
      {
        "material": "ep kaolin",
        "amount": 7.75
      },
      {
        "material": "dolomite",
        "amount": 4.81
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.11
      },
      {
        "material": "zinc oxide",
        "amount": 2.64
      },
      {
        "material": "soda ash",
        "amount": 1.09
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "zircopax",
        "amount": 9.0
      },
      {
        "material": "total",
        "amount": 109.01
      }
    ]
  },
  {
    "id": "77050",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.29,
      "Al2O3": 12.03,
      "B2O3": 2.19,
      "Na2O": 3.9,
      "K2O": 2.69,
      "MgO": 2.85,
      "CaO": 7.53,
      "SrO": 0.01,
      "BaO": 0.62,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.7,
      "FeO": 0.01,
      "Fe2O3": 0.16,
      "ZnO": 0.47,
      "SnO2": 7.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "tin oxide",
        "amount": 7.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 109.2
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "77052",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.27,
      "Al2O3": 12.12,
      "B2O3": 2.72,
      "Na2O": 4.85,
      "K2O": 1.41,
      "MgO": 0.04,
      "CaO": 11.75,
      "SrO": 0.01,
      "BaO": 0.76,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 0.3,
      "FeO": 0.01,
      "Fe2O3": 0.13,
      "ZnO": 0.59,
      "SnO2": 4.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 105.3
      }
    ]
  },
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    "id": "77756",
    "chemical_composition": {
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      "SiO2": 59.11,
      "Al2O3": 14.75,
      "B2O3": 5.04,
      "Na2O": 2.98,
      "K2O": 5.09,
      "CaO": 12.89,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 38.79
      },
      {
        "material": "frit nr 2 testing",
        "amount": 28.22
      },
      {
        "material": "wollastonite",
        "amount": 19.33
      },
      {
        "material": "silica",
        "amount": 7.62
      },
      {
        "material": "kaolin e",
        "amount": 6.04
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 52.99,
      "Al2O3": 14.34,
      "B2O3": 4.86,
      "Na2O": 3.12,
      "K2O": 1.16,
      "MgO": 0.09,
      "CaO": 18.23,
      "TiO2": 0.01,
      "Cr2O3": 0.05,
      "Fe2O3": 0.22,
      "SnO2": 4.94,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 30.9
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.6
      },
      {
        "material": "minspar 200",
        "amount": 14.4
      },
      {
        "material": "silica",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.05
      },
      {
        "material": "total",
        "amount": 105.05
      }
    ]
  },
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    "id": "79137",
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      "CaO": 18.47,
      "TiO2": 0.01,
      "Cr2O3": 0.08,
      "Fe2O3": 0.15,
      "SnO2": 4.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 29.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 21.8
      },
      {
        "material": "grolleg kaolin",
        "amount": 20.2
      },
      {
        "material": "minspar 200",
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      },
      {
        "material": "silica",
        "amount": 12.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.08
      },
      {
        "material": "total",
        "amount": 105.08
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    ]
  },
  {
    "id": "79937",
    "chemical_composition": {
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      "SiO2": 59.74,
      "Al2O3": 14.48,
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      "Na2O": 5.58,
      "K2O": 1.77,
      "MgO": 0.24,
      "CaO": 13.71,
      "TiO2": 0.36,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
        "amount": 31.09
      },
      {
        "material": "silica",
        "amount": 21.31
      },
      {
        "material": "diamond kaolin",
        "amount": 20.71
      },
      {
        "material": "whiting",
        "amount": 17.93
      },
      {
        "material": "nepheline syenite",
        "amount": 8.96
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "79945",
    "chemical_composition": {
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      "Al2O3": 9.58,
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      "Na2O": 3.69,
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      "MgO": 0.16,
      "CaO": 9.07,
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      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 45.91
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 21.37
      },
      {
        "material": "diamond kaolin",
        "amount": 14.23
      },
      {
        "material": "whiting",
        "amount": 12.33
      },
      {
        "material": "nepheline syenite",
        "amount": 6.16
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "79947",
    "chemical_composition": {
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      "SiO2": 74.79,
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      "B2O3": 2.41,
      "Na2O": 3.49,
      "K2O": 1.11,
      "MgO": 0.15,
      "CaO": 8.58,
      "TiO2": 0.23,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 48.59
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 20.31
      },
      {
        "material": "diamond kaolin",
        "amount": 13.53
      },
      {
        "material": "whiting",
        "amount": 11.72
      },
      {
        "material": "nepheline syenite",
        "amount": 5.85
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "79948",
    "chemical_composition": {
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      "SiO2": 65.62,
      "Al2O3": 12.37,
      "B2O3": 3.29,
      "Na2O": 4.76,
      "K2O": 1.51,
      "MgO": 0.21,
      "CaO": 11.71,
      "TiO2": 0.31,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.69
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.99
      },
      {
        "material": "diamond kaolin",
        "amount": 17.98
      },
      {
        "material": "whiting",
        "amount": 15.57
      },
      {
        "material": "nepheline syenite",
        "amount": 7.78
      },
      {
        "material": "total",
        "amount": 100.01
      },
      {
        "material": "clear 10",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "79949",
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      "B2O3": 2.87,
      "Na2O": 4.16,
      "K2O": 1.32,
      "MgO": 0.18,
      "CaO": 10.22,
      "TiO2": 0.27,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 39.6
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 23.86
      },
      {
        "material": "diamond kaolin",
        "amount": 15.89
      },
      {
        "material": "whiting",
        "amount": 13.76
      },
      {
        "material": "nepheline syenite",
        "amount": 6.88
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "80479",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.16,
      "Al2O3": 10.27,
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      "Na2O": 12.23,
      "K2O": 3.42,
      "MgO": 0.58,
      "CaO": 6.17,
      "TiO2": 0.19,
      "Fe2O3": 1.37,
      "CuO": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
        "amount": 93.0
      },
      {
        "material": "tinkar z",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "80721",
    "chemical_composition": {
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      "SiO2": 55.13,
      "Al2O3": 10.27,
      "B2O3": 10.3,
      "Na2O": 12.23,
      "K2O": 3.41,
      "MgO": 0.58,
      "CaO": 6.17,
      "TiO2": 0.19,
      "Cr2O3": 1.01,
      "Fe2O3": 0.41,
      "CuO": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
        "amount": 93.0
      },
      {
        "material": "tinkar z",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "81494",
    "chemical_composition": {
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      "SiO2": 66.96,
      "Al2O3": 10.21,
      "B2O3": 1.33,
      "Na2O": 3.73,
      "K2O": 2.45,
      "MgO": 1.06,
      "CaO": 4.3,
      "SrO": 0.01,
      "BaO": 0.37,
      "P2O5": 0.01,
      "TiO2": 0.03,
      "FeO": 0.01,
      "Fe2O3": 7.45,
      "CoO": 1.8,
      "ZnO": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "feldspar forshammar testing",
        "amount": 60.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "82210",
    "chemical_composition": {
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      "SiO2": 61.05,
      "Al2O3": 9.95,
      "Li2O": 1.39,
      "Na2O": 0.08,
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      "MgO": 3.36,
      "CaO": 5.75,
      "P2O5": 2.31,
      "TiO2": 0.21,
      "Fe2O3": 15.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "ball clay",
        "amount": 19.0
      },
      {
        "material": "spodumene",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 84.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 99.0
      }
    ]
  },
  {
    "id": "82992",
    "chemical_composition": {
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      "SiO2": 57.95,
      "Al2O3": 4.07,
      "B2O3": 4.22,
      "Li2O": 0.86,
      "Na2O": 6.95,
      "K2O": 1.08,
      "MgO": 0.45,
      "CaO": 5.52,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.16,
      "CoO": 18.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "cobalt oxide",
        "amount": 19.0
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "whiting",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "83065",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.76,
      "Al2O3": 21.89,
      "B2O3": 4.31,
      "Li2O": 1.35,
      "Na2O": 1.92,
      "K2O": 0.68,
      "MgO": 4.37,
      "CaO": 9.77,
      "TiO2": 14.7,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin e",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 19.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.0
      },
      {
        "material": "calcined kaolin",
        "amount": 16.0
      },
      {
        "material": "spodumene",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 93.0
      },
      {
        "material": "titanium dioxide",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "84352",
    "chemical_composition": {
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      "SiO2": 56.19,
      "Al2O3": 8.96,
      "B2O3": 6.35,
      "Na2O": 2.31,
      "K2O": 1.98,
      "MgO": 0.83,
      "CaO": 17.26,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Cr2O3": 0.17,
      "Fe2O3": 0.27,
      "SnO2": 5.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 16.0
      },
      {
        "material": "kaolin e",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "84403",
    "chemical_composition": {
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      "SiO2": 53.02,
      "Al2O3": 9.04,
      "B2O3": 10.1,
      "Na2O": 3.67,
      "K2O": 0.92,
      "MgO": 0.03,
      "CaO": 12.83,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.11,
      "Fe2O3": 0.11,
      "ZnO": 4.48,
      "SnO2": 5.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "ulexite testing",
        "amount": 21.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.1
      }
    ]
  },
  {
    "id": "85590",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.98,
      "Al2O3": 15.45,
      "B2O3": 3.2,
      "Li2O": 3.9,
      "Na2O": 4.06,
      "K2O": 4.42,
      "MgO": 0.42,
      "CaO": 7.68,
      "P2O5": 0.01,
      "TiO2": 8.61,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "kaolin e",
        "amount": 11.1
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 107.6
      }
    ]
  },
  {
    "id": "86246",
    "chemical_composition": {
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      "SiO2": 62.19,
      "Al2O3": 19.43,
      "B2O3": 2.26,
      "Li2O": 0.91,
      "Na2O": 3.1,
      "K2O": 1.3,
      "MgO": 4.55,
      "CaO": 4.64,
      "P2O5": 1.35,
      "TiO2": 0.07,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 22.9
      },
      {
        "material": "silica",
        "amount": 18.4
      },
      {
        "material": "calcined kaolin",
        "amount": 12.4
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 11.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.9
      },
      {
        "material": "spodumene",
        "amount": 10.6
      },
      {
        "material": "gerstley borate",
        "amount": 7.9
      },
      {
        "material": "bone ash",
        "amount": 2.9
      },
      {
        "material": "dolomite",
        "amount": 2.2
      },
      {
        "material": "soda ash",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "86815",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.71,
      "Al2O3": 14.47,
      "B2O3": 3.37,
      "Na2O": 4.86,
      "K2O": 1.54,
      "MgO": 0.22,
      "CaO": 12.04,
      "TiO2": 0.39,
      "Fe2O3": 0.27,
      "CuO": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
        "amount": 28.22
      },
      {
        "material": "silica",
        "amount": 24.26
      },
      {
        "material": "diamond kaolin",
        "amount": 23.27
      },
      {
        "material": "whiting",
        "amount": 16.34
      },
      {
        "material": "nepheline syenite",
        "amount": 7.92
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 102.89
      },
      {
        "material": "specific gravity",
        "amount": 150.0
      }
    ]
  },
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    "id": "87136",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.45,
      "Al2O3": 14.65,
      "B2O3": 3.23,
      "Na2O": 4.66,
      "K2O": 1.48,
      "MgO": 0.21,
      "CaO": 11.53,
      "TiO2": 0.4,
      "Fe2O3": 0.28,
      "CuO": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "crecer frit 804 /2012",
        "amount": 27.07
      },
      {
        "material": "silica",
        "amount": 25.42
      },
      {
        "material": "diamond kaolin",
        "amount": 24.24
      },
      {
        "material": "whiting",
        "amount": 15.67
      },
      {
        "material": "nepheline syenite",
        "amount": 7.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 102.88
      },
      {
        "material": "specific gravity",
        "amount": 150.0
      }
    ]
  },
  {
    "id": "87137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.12,
      "Al2O3": 14.81,
      "B2O3": 3.1,
      "Na2O": 4.49,
      "K2O": 1.44,
      "MgO": 0.2,
      "CaO": 11.04,
      "TiO2": 0.41,
      "Fe2O3": 0.28,
      "CuO": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.42
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 26.02
      },
      {
        "material": "diamond kaolin",
        "amount": 25.02
      },
      {
        "material": "whiting",
        "amount": 15.02
      },
      {
        "material": "nepheline syenite",
        "amount": 7.51
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 102.87
      },
      {
        "material": "specific gravity",
        "amount": 150.0
      }
    ]
  },
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    "id": "88286",
    "chemical_composition": {
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      "SiO2": 60.01,
      "Al2O3": 12.06,
      "B2O3": 4.89,
      "Na2O": 3.96,
      "K2O": 0.41,
      "MgO": 5.87,
      "CaO": 12.46,
      "TiO2": 0.08,
      "MnO": 0.01,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "88287",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.72,
      "Al2O3": 11.92,
      "B2O3": 4.85,
      "Na2O": 3.96,
      "K2O": 0.4,
      "MgO": 2.78,
      "CaO": 16.03,
      "TiO2": 0.08,
      "MnO": 0.01,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 25.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 19.5
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 12.4
      },
      {
        "material": "dolomite",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "89186",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.91,
      "Al2O3": 20.36,
      "B2O3": 1.17,
      "Na2O": 2.12,
      "K2O": 1.05,
      "MgO": 1.77,
      "CaO": 1.23,
      "P2O5": 0.07,
      "TiO2": 0.4,
      "ZrO2": 3.44,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "91259",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.22,
      "Al2O3": 9.57,
      "Na2O": 1.2,
      "K2O": 4.97,
      "MgO": 0.02,
      "CaO": 5.21,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 12.35,
      "ZrO2": 0.0,
      "MnO": 0.0,
      "Fe2O3": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "specific gravity",
        "amount": 143.0
      }
    ]
  },
  {
    "id": "91260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.46,
      "Al2O3": 9.16,
      "B2O3": 1.69,
      "Na2O": 1.73,
      "K2O": 4.04,
      "MgO": 0.03,
      "CaO": 5.18,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 12.26,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 1.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.9
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 14.1
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 8.2
      },
      {
        "material": "whiting",
        "amount": 7.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "specific gravity",
        "amount": 143.0
      }
    ]
  },
  {
    "id": "91261",
    "chemical_composition": {
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      "SiO2": 64.67,
      "Al2O3": 9.3,
      "B2O3": 1.18,
      "Na2O": 1.57,
      "K2O": 4.35,
      "MgO": 0.03,
      "CaO": 5.16,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 12.28,
      "ZrO2": 0.01,
      "MnO": 0.0,
      "Fe2O3": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.8
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 12.7
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 5.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "specific gravity",
        "amount": 143.0
      }
    ]
  },
  {
    "id": "91277",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.92,
      "Al2O3": 9.43,
      "B2O3": 0.58,
      "Na2O": 1.38,
      "K2O": 4.65,
      "MgO": 0.03,
      "CaO": 5.23,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 12.32,
      "ZrO2": 0.01,
      "MnO": 0.0,
      "Fe2O3": 1.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.9
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 11.4
      },
      {
        "material": "whiting",
        "amount": 9.1
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 2.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "specific gravity",
        "amount": 155.0
      }
    ]
  },
  {
    "id": "91882",
    "chemical_composition": {
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      "SiO2": 62.75,
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      "K2O": 2.07,
      "MgO": 0.02,
      "CaO": 9.63,
      "Fe2O3": 0.02,
      "CuO": 0.51,
      "ZnO": 13.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 94.7
      }
    ]
  },
  {
    "id": "92796",
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      "MnO": 0.01,
      "Fe2O3": 1.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 32.0
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 26.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
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    "id": "92825",
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      "K2O": 0.35,
      "MgO": 2.39,
      "CaO": 13.78,
      "TiO2": 12.74,
      "MnO": 0.01,
      "Fe2O3": 1.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 25.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 19.5
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 12.4
      },
      {
        "material": "dolomite",
        "amount": 11.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "92829",
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      "SiO2": 51.2,
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      "Na2O": 3.38,
      "K2O": 0.34,
      "MgO": 5.0,
      "CaO": 10.61,
      "TiO2": 13.4,
      "MnO": 0.01,
      "Fe2O3": 1.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 23.8
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 19.2
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "94033",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.27,
      "Al2O3": 12.21,
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      "K2O": 2.16,
      "MgO": 2.04,
      "CaO": 7.3,
      "TiO2": 6.75,
      "Fe2O3": 0.85,
      "ZnO": 5.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 46.57
      },
      {
        "material": "silica",
        "amount": 19.84
      },
      {
        "material": "wollastonite",
        "amount": 15.45
      },
      {
        "material": "talc",
        "amount": 6.67
      },
      {
        "material": "kaolin e",
        "amount": 5.97
      },
      {
        "material": "zinc oxide",
        "amount": 5.49
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 107.99
      }
    ]
  },
  {
    "id": "95280",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.5,
      "Al2O3": 13.59,
      "B2O3": 3.25,
      "Na2O": 4.8,
      "K2O": 2.31,
      "MgO": 0.03,
      "CaO": 12.32,
      "TiO2": 0.0,
      "Fe2O3": 0.49,
      "ZnO": 4.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.49
      },
      {
        "material": "wollastonite",
        "amount": 17.85
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.02
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.06
      },
      {
        "material": "zinc oxide",
        "amount": 4.63
      },
      {
        "material": "silica",
        "amount": 2.34
      },
      {
        "material": "red iron oxide",
        "amount": 0.4
      },
      {
        "material": "silicon carbide",
        "amount": 0.22
      },
      {
        "material": "total",
        "amount": 100.01
      },
      {
        "material": "specific gravity",
        "amount": 155.0
      }
    ]
  },
  {
    "id": "95303",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.35,
      "Al2O3": 14.41,
      "B2O3": 2.82,
      "Na2O": 4.23,
      "K2O": 2.16,
      "MgO": 0.38,
      "CaO": 13.17,
      "TiO2": 0.0,
      "Fe2O3": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 44.2
      },
      {
        "material": "wollastonite",
        "amount": 19.4
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.1
      },
      {
        "material": "silica",
        "amount": 7.6
      },
      {
        "material": "dolomite",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 100.35
      }
    ]
  },
  {
    "id": "96879",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.22,
      "Al2O3": 9.55,
      "K2O": 7.27,
      "CaO": 8.54,
      "TiO2": 5.11,
      "Fe2O3": 0.06,
      "ZnO": 12.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 41.3
      },
      {
        "material": "silica",
        "amount": 26.9
      },
      {
        "material": "whiting",
        "amount": 14.9
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kaolin e",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "98489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.05,
      "Al2O3": 6.79,
      "B2O3": 8.59,
      "Na2O": 2.22,
      "K2O": 2.51,
      "MgO": 5.58,
      "CaO": 6.53,
      "Fe2O3": 0.06,
      "CoO": 3.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.8
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 28.45
      },
      {
        "material": "talc",
        "amount": 17.01
      },
      {
        "material": "colemanite",
        "amount": 16.43
      },
      {
        "material": "whiting",
        "amount": 3.32
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.66
      },
      {
        "material": "total",
        "amount": 105.67
      }
    ]
  },
  {
    "id": "98490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.02,
      "Al2O3": 5.92,
      "B2O3": 8.58,
      "Na2O": 3.11,
      "K2O": 2.2,
      "MgO": 5.58,
      "CaO": 6.53,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.18,
      "CoO": 3.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.92
      },
      {
        "material": "gerstley borate",
        "amount": 29.93
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 22.55
      },
      {
        "material": "talc",
        "amount": 13.07
      },
      {
        "material": "whiting",
        "amount": 0.53
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.66
      },
      {
        "material": "total",
        "amount": 105.66
      }
    ]
  },
  {
    "id": "99927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.44,
      "Al2O3": 15.34,
      "B2O3": 1.92,
      "Na2O": 2.23,
      "K2O": 0.96,
      "MgO": 0.03,
      "CaO": 7.65,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.24,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "silica",
        "amount": 36.24
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      {
        "material": "ep kaolin",
        "amount": 27.83
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      {
        "material": "minspar 200",
        "amount": 18.98
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      {
        "material": "whiting",
        "amount": 9.22
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      {
        "material": "ferro frit 3134",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "veegum t",
        "amount": 2.0
      },
      {
        "material": "mason stain #6450 praseodymium",
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      },
      {
        "material": "total",
        "amount": 104.0
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    ]
  },
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      "CaO": 13.44,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 23.27
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      {
        "material": "ferro frit 3134",
        "amount": 22.26
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      {
        "material": "nepheline syenite a270",
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      {
        "material": "whiting",
        "amount": 14.17
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      {
        "material": "calcined kaolin",
        "amount": 12.42
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      {
        "material": "ep kaolin",
        "amount": 9.74
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      {
        "material": "custer feldspar",
        "amount": 1.75
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.36
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
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    "id": "100018",
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      "K2O": 0.14,
      "MgO": 4.64,
      "CaO": 8.9,
      "TiO2": 4.02,
      "Fe2O3": 0.18,
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      "LOI": 0.0
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    "ingredients": [
      {
        "material": "0912_albita minasolo",
        "amount": 26.3
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        "material": "ferro frit 3134",
        "amount": 15.0
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      {
        "material": "kaolin",
        "amount": 15.0
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      {
        "material": "silica",
        "amount": 14.1
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      {
        "material": "talc",
        "amount": 13.2
      },
      {
        "material": "0933_cálcio extra leve",
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      {
        "material": "titanium dioxide",
        "amount": 3.7
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.2
      },
      {
        "material": "red iron oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 83 105 0 0",
        "amount": 58.0
      },
      {
        "material": "celsius fahrenheit total 21",
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    ]
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      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 31.4
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "minspar 200",
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      {
        "material": "whiting",
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      {
        "material": "ferro frit 3134",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "veegum t",
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      },
      {
        "material": "mason stain #6450 praseodymium",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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      "TiO2": 0.09,
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      "CuO": 2.42,
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    "ingredients": [
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        "material": "silica",
        "amount": 25.67
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        "material": "whiting",
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      {
        "material": "ep kaolin",
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      {
        "material": "minspar 200",
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      {
        "material": "custer feldspar",
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      {
        "material": "copper carbonate",
        "amount": 3.19
      },
      {
        "material": "bone ash",
        "amount": 1.38
      },
      {
        "material": "dolomite",
        "amount": 1.38
      },
      {
        "material": "red iron oxide",
        "amount": 0.86
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
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    "id": "100749",
    "chemical_composition": {
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      "SiO2": 57.11,
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      "CaO": 15.64,
      "TiO2": 5.37,
      "Fe2O3": 0.74,
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      "CuO": 1.85,
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    "ingredients": [
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        "material": "kaolin eckalite 1 (imerys australia)",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "frit 4131 testing",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 110.5
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    ]
  },
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    "id": "100750",
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      "MnO2": 3.31,
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    "ingredients": [
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        "material": "kaolin eckalite 1 (imerys australia)",
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      },
      {
        "material": "wollastonite",
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      },
      {
        "material": "frit 4131 testing",
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      {
        "material": "silica",
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      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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    "id": "100751",
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      "MnO2": 3.3,
      "Fe2O3": 0.74,
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    "ingredients": [
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        "material": "kaolin eckalite 1 (imerys australia)",
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      {
        "material": "wollastonite",
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      },
      {
        "material": "frit 4131 testing",
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      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
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      },
      {
        "material": "total",
        "amount": 110.4
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    ]
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    "id": "100753",
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    "ingredients": [
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        "material": "wollastonite",
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      },
      {
        "material": "kaolin eckalite 1 (imerys australia)",
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      },
      {
        "material": "frit 4131 testing",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 112.0
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    ]
  },
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    "id": "100754",
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      "LOI": 0.0
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    "ingredients": [
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        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "kaolin eckalite 1 (imerys australia)",
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      },
      {
        "material": "frit 4131 testing",
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      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "100755",
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      "SiO2": 57.42,
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      "MgO": 0.02,
      "CaO": 15.53,
      "TiO2": 5.35,
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      "LOI": 0.0
    },
    "ingredients": [
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        "material": "wollastonite",
        "amount": 28.0
      },
      {
        "material": "kaolin eckalite 1 (imerys australia)",
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      },
      {
        "material": "frit 4131 testing",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "101448",
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      "SiO2": 61.26,
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      "Na2O": 6.7,
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      "MgO": 0.48,
      "CaO": 9.27,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.1,
      "CuO": 0.43,
      "SnO2": 1.1,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "nepheline syenite a270",
        "amount": 54.32
      },
      {
        "material": "silica",
        "amount": 21.58
      },
      {
        "material": "gerstley borate",
        "amount": 12.17
      },
      {
        "material": "whiting",
        "amount": 10.55
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      {
        "material": "total base recipe",
        "amount": 98.62
      },
      {
        "material": "tin oxide",
        "amount": 1.01
      },
      {
        "material": "black copper oxide",
        "amount": 0.39
      },
      {
        "material": "total",
        "amount": 100.02
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    ]
  },
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    "id": "101464",
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      "MgO": 0.74,
      "CaO": 5.41,
      "BaO": 4.91,
      "P2O5": 0.02,
      "TiO2": 3.35,
      "Fe2O3": 0.51,
      "CoO": 0.17,
      "ZnO": 3.16,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "gerstley borate",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "ball clay",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "101479",
    "chemical_composition": {
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      "MgO": 3.46,
      "CaO": 14.83,
      "P2O5": 3.38,
      "TiO2": 0.09,
      "Fe2O3": 5.48,
      "SnO2": 4.9,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 46.3
      },
      {
        "material": "ep kaolin",
        "amount": 22.22
      },
      {
        "material": "dolomite",
        "amount": 14.81
      },
      {
        "material": "whiting",
        "amount": 9.26
      },
      {
        "material": "bone ash",
        "amount": 7.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.23
      },
      {
        "material": "tin oxide",
        "amount": 4.63
      },
      {
        "material": "total",
        "amount": 109.86
      }
    ]
  },
  {
    "id": "101481",
    "chemical_composition": {
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      "SiO2": 44.12,
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      "K2O": 2.14,
      "MgO": 0.03,
      "CaO": 4.89,
      "TiO2": 4.32,
      "Fe2O3": 1.59,
      "ZnO": 26.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.59
      },
      {
        "material": "zinc oxide",
        "amount": 27.45
      },
      {
        "material": "silica",
        "amount": 13.24
      },
      {
        "material": "whiting",
        "amount": 8.82
      },
      {
        "material": "ball clay",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "101484",
    "chemical_composition": {
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      "SiO2": 55.82,
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      "K2O": 3.37,
      "MgO": 0.05,
      "CaO": 13.72,
      "TiO2": 0.16,
      "Fe2O3": 0.2,
      "ZnO": 8.06,
      "SnO2": 8.07,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 30.77
      },
      {
        "material": "silica",
        "amount": 23.08
      },
      {
        "material": "whiting",
        "amount": 23.08
      },
      {
        "material": "ball clay",
        "amount": 15.38
      },
      {
        "material": "zinc oxide",
        "amount": 7.69
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 7.7
      },
      {
        "material": "total",
        "amount": 107.7
      }
    ]
  },
  {
    "id": "101488",
    "chemical_composition": {
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      "SiO2": 55.41,
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      "Na2O": 1.26,
      "K2O": 4.24,
      "MgO": 0.03,
      "CaO": 11.34,
      "P2O5": 0.08,
      "TiO2": 8.5,
      "Fe2O3": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.74
      },
      {
        "material": "ep kaolin",
        "amount": 28.04
      },
      {
        "material": "whiting",
        "amount": 19.09
      },
      {
        "material": "silica",
        "amount": 13.13
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.94
      },
      {
        "material": "total",
        "amount": 108.94
      }
    ]
  },
  {
    "id": "101492",
    "chemical_composition": {
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      "Na2O": 1.23,
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      "MgO": 0.03,
      "CaO": 10.2,
      "BaO": 10.25,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.23,
      "CuO": 1.46,
      "SnO2": 6.02,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 35.53
      },
      {
        "material": "ep kaolin",
        "amount": 21.92
      },
      {
        "material": "whiting",
        "amount": 15.76
      },
      {
        "material": "barium carbonate",
        "amount": 11.63
      },
      {
        "material": "silica",
        "amount": 9.86
      },
      {
        "material": "tin oxide",
        "amount": 5.31
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "101495",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.92,
      "Al2O3": 7.11,
      "B2O3": 3.63,
      "Na2O": 1.45,
      "K2O": 3.06,
      "MgO": 8.98,
      "CaO": 5.43,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "Fe2O3": 0.16,
      "NiO": 1.07,
      "CuO": 2.07,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.37
      },
      {
        "material": "silica",
        "amount": 25.26
      },
      {
        "material": "talc",
        "amount": 19.16
      },
      {
        "material": "gerstley borate",
        "amount": 12.63
      },
      {
        "material": "dolomite",
        "amount": 8.21
      },
      {
        "material": "ball clay",
        "amount": 7.37
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "101497",
    "chemical_composition": {
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      "MgO": 0.02,
      "CaO": 8.8,
      "BaO": 12.62,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.18,
      "NiO": 4.06,
      "ZnO": 12.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.33
      },
      {
        "material": "ep kaolin",
        "amount": 17.78
      },
      {
        "material": "barium carbonate",
        "amount": 14.82
      },
      {
        "material": "whiting",
        "amount": 14.07
      },
      {
        "material": "zinc oxide",
        "amount": 11.11
      },
      {
        "material": "silica",
        "amount": 8.89
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 3.7
      },
      {
        "material": "total",
        "amount": 103.7
      }
    ]
  },
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    "id": "101499",
    "chemical_composition": {
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      "SiO2": 42.06,
      "Al2O3": 11.79,
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      "MgO": 0.01,
      "CaO": 10.81,
      "BaO": 11.07,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "ZnO": 19.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.33
      },
      {
        "material": "whiting",
        "amount": 16.67
      },
      {
        "material": "zinc oxide",
        "amount": 16.67
      },
      {
        "material": "barium carbonate",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 8.33
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 66.88,
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      "CaO": 4.25,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 9.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.13
      },
      {
        "material": "silica",
        "amount": 25.31
      },
      {
        "material": "whiting",
        "amount": 7.6
      },
      {
        "material": "ep kaolin",
        "amount": 4.97
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 10.13
      },
      {
        "material": "total",
        "amount": 110.14
      }
    ]
  },
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    "id": "101678",
    "chemical_composition": {
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      "SiO2": 52.32,
      "Al2O3": 15.24,
      "B2O3": 2.66,
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      "K2O": 0.6,
      "MgO": 3.61,
      "CaO": 13.28,
      "P2O5": 0.13,
      "TiO2": 0.67,
      "MnO": 0.12,
      "Fe2O3": 8.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "pioneer valley basalt",
        "amount": 57.77
      },
      {
        "material": "ep kaolin",
        "amount": 16.22
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.86
      },
      {
        "material": "whiting",
        "amount": 8.73
      },
      {
        "material": "silica",
        "amount": 6.42
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "102773",
    "chemical_composition": {
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      "SiO2": 49.0,
      "Al2O3": 17.0,
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      "K2O": 3.18,
      "MgO": 4.71,
      "CaO": 6.7,
      "TiO2": 0.99,
      "ZrO2": 11.28,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 61.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "zircopax",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "102774",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.55,
      "Al2O3": 12.37,
      "Li2O": 1.23,
      "Na2O": 5.45,
      "K2O": 2.54,
      "MgO": 0.01,
      "CaO": 10.38,
      "SrO": 25.47,
      "BaO": 10.96,
      "Fe2O3": 0.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 52.0
      },
      {
        "material": "strontium carbonate",
        "amount": 36.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "barium carbonate",
        "amount": 14.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
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    "id": "102778",
    "chemical_composition": {
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      "SiO2": 46.79,
      "Al2O3": 16.07,
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      "K2O": 5.1,
      "MgO": 3.99,
      "CaO": 16.51,
      "P2O5": 3.46,
      "TiO2": 5.61,
      "Fe2O3": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "bone ash",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "wollastonite",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 114.25
      }
    ]
  },
  {
    "id": "102790",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.66,
      "Al2O3": 24.02,
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      "Na2O": 7.49,
      "K2O": 2.82,
      "MgO": 0.05,
      "CaO": 0.46,
      "TiO2": 0.15,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.0
      },
      {
        "material": "spodumene",
        "amount": 26.0
      },
      {
        "material": "minspar 200",
        "amount": 16.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "102791",
    "chemical_composition": {
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      "SiO2": 30.14,
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      "K2O": 2.42,
      "MgO": 0.14,
      "CaO": 10.17,
      "BaO": 20.0,
      "TiO2": 7.79,
      "Fe2O3": 1.22,
      "CuO": 5.42,
      "ZnO": 11.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 26.0
      },
      {
        "material": "ball clay",
        "amount": 22.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.5
      },
      {
        "material": "rutile",
        "amount": 8.5
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 121.0
      }
    ]
  },
  {
    "id": "102792",
    "chemical_composition": {
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      "SiO2": 62.1,
      "Al2O3": 23.84,
      "Li2O": 3.1,
      "Na2O": 8.12,
      "K2O": 1.91,
      "MgO": 0.01,
      "CaO": 0.71,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 42.24
      },
      {
        "material": "spodumene",
        "amount": 36.14
      },
      {
        "material": "ep kaolin",
        "amount": 12.02
      },
      {
        "material": "soda ash",
        "amount": 9.61
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "102793",
    "chemical_composition": {
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      "SiO2": 62.08,
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      "Na2O": 8.14,
      "K2O": 3.7,
      "MgO": 0.03,
      "CaO": 0.82,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 37.5
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "soda ash",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "102794",
    "chemical_composition": {
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      "Al2O3": 17.87,
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      "Na2O": 6.67,
      "K2O": 3.12,
      "MgO": 0.06,
      "CaO": 0.28,
      "SrO": 20.73,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 58.0
      },
      {
        "material": "strontium carbonate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "102795",
    "chemical_composition": {
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      "SiO2": 62.54,
      "Al2O3": 23.54,
      "Li2O": 1.28,
      "Na2O": 8.38,
      "K2O": 3.26,
      "MgO": 0.06,
      "CaO": 0.53,
      "TiO2": 0.17,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.45
      },
      {
        "material": "minspar 200",
        "amount": 18.59
      },
      {
        "material": "ball clay",
        "amount": 16.57
      },
      {
        "material": "spodumene",
        "amount": 15.35
      },
      {
        "material": "soda ash",
        "amount": 4.04
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "102796",
    "chemical_composition": {
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      "SiO2": 64.4,
      "Al2O3": 23.26,
      "Li2O": 3.33,
      "Na2O": 6.03,
      "K2O": 2.08,
      "MgO": 0.01,
      "CaO": 0.76,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 48.0
      },
      {
        "material": "spodumene",
        "amount": 40.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.67
      },
      {
        "material": "soda ash",
        "amount": 5.33
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "102797",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.52,
      "Al2O3": 24.09,
      "Li2O": 1.23,
      "Na2O": 14.13,
      "K2O": 2.89,
      "MgO": 0.14,
      "CaO": 0.35,
      "TiO2": 0.31,
      "Fe2O3": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 51.95
      },
      {
        "material": "tennessee ball clay",
        "amount": 17.32
      },
      {
        "material": "soda ash",
        "amount": 14.46
      },
      {
        "material": "spodumene",
        "amount": 13.85
      },
      {
        "material": "bentonite",
        "amount": 2.42
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "102798",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.74,
      "Al2O3": 22.87,
      "Li2O": 2.35,
      "Na2O": 9.01,
      "K2O": 3.24,
      "MgO": 0.09,
      "CaO": 0.3,
      "TiO2": 0.23,
      "MnO": 3.72,
      "Fe2O3": 3.13,
      "CoO": 0.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 62.5
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 19.23
      },
      {
        "material": "spodumene",
        "amount": 9.62
      },
      {
        "material": "soda ash",
        "amount": 4.81
      },
      {
        "material": "lithium carbonate",
        "amount": 3.85
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "manganese carbonate",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 109.51
      }
    ]
  },
  {
    "id": "102801",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.35,
      "Al2O3": 12.13,
      "B2O3": 1.42,
      "Na2O": 2.65,
      "K2O": 3.2,
      "MgO": 0.29,
      "CaO": 11.85,
      "BaO": 7.39,
      "P2O5": 0.01,
      "TiO2": 0.12,
      "Fe2O3": 0.16,
      "CuO": 5.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 70.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "barium carbonate",
        "amount": 9.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "102802",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.62,
      "Al2O3": 22.74,
      "Na2O": 3.63,
      "K2O": 5.63,
      "MgO": 0.13,
      "CaO": 0.34,
      "TiO2": 0.42,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 40.0
      },
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "102806",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.99,
      "Al2O3": 25.45,
      "Li2O": 1.05,
      "Na2O": 8.33,
      "K2O": 3.21,
      "MgO": 0.05,
      "CaO": 0.48,
      "P2O5": 0.03,
      "TiO2": 0.15,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 50.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "102807",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.61,
      "Al2O3": 26.16,
      "Li2O": 1.27,
      "Na2O": 7.89,
      "K2O": 2.99,
      "MgO": 0.08,
      "CaO": 0.43,
      "P2O5": 0.03,
      "TiO2": 0.23,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 15.0
      },
      {
        "material": "minspar 200",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "102817",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.01,
      "Al2O3": 19.7,
      "Na2O": 6.8,
      "K2O": 3.22,
      "MgO": 1.18,
      "CaO": 4.01,
      "P2O5": 0.02,
      "TiO2": 4.51,
      "Fe2O3": 0.78,
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      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "rutile",
        "amount": 5.4
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "c-6 feldspar",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 114.9
      }
    ]
  },
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    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 40.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "103026",
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      "Na2O": 6.89,
      "K2O": 2.04,
      "MgO": 0.12,
      "CaO": 0.61,
      "P2O5": 0.01,
      "TiO2": 0.34,
      "Fe2O3": 0.36,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "soda ash",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "103027",
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      "SiO2": 62.6,
      "Al2O3": 23.74,
      "Li2O": 1.07,
      "Na2O": 8.23,
      "K2O": 3.21,
      "MgO": 0.11,
      "CaO": 0.54,
      "P2O5": 0.01,
      "TiO2": 0.19,
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    },
    "ingredients": [
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        "material": "nepheline syenite a270",
        "amount": 44.29
      },
      {
        "material": "minspar 200",
        "amount": 18.1
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.72
      },
      {
        "material": "spodumene",
        "amount": 12.77
      },
      {
        "material": "soda ash",
        "amount": 3.93
      },
      {
        "material": "ep kaolin",
        "amount": 2.36
      },
      {
        "material": "silica",
        "amount": 2.13
      },
      {
        "material": "bentonite",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "103029",
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      "K2O": 2.3,
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      "CaO": 0.23,
      "P2O5": 0.01,
      "TiO2": 0.24,
      "Fe2O3": 0.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 41.0
      },
      {
        "material": "spodumene",
        "amount": 32.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "103976",
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      "SiO2": 52.69,
      "Al2O3": 11.07,
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      "K2O": 2.44,
      "MgO": 0.5,
      "CaO": 12.31,
      "BaO": 5.88,
      "P2O5": 0.02,
      "TiO2": 0.1,
      "Fe2O3": 0.3,
      "CuO": 6.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 52.29
      },
      {
        "material": "whiting",
        "amount": 12.43
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.1
      },
      {
        "material": "gerstley borate",
        "amount": 9.33
      },
      {
        "material": "barium carbonate",
        "amount": 7.23
      },
      {
        "material": "bentonite",
        "amount": 3.53
      },
      {
        "material": "ep kaolin",
        "amount": 2.72
      },
      {
        "material": "silica",
        "amount": 2.38
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 9.3
      },
      {
        "material": "total",
        "amount": 109.31
      }
    ]
  },
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    "id": "105430",
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      "Al2O3": 13.51,
      "Na2O": 2.16,
      "K2O": 1.95,
      "MgO": 0.35,
      "CaO": 9.39,
      "P2O5": 0.05,
      "TiO2": 5.7,
      "Fe2O3": 0.82,
      "ZnO": 7.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 43.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "calcined talc, magnesium silicate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "105431",
    "chemical_composition": {
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      "SiO2": 62.09,
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      "MgO": 0.37,
      "CaO": 9.39,
      "P2O5": 0.08,
      "TiO2": 0.29,
      "Fe2O3": 1.71,
      "ZnO": 8.84,
      "LOI": 0.0
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    "ingredients": [
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        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "red clay",
        "amount": 20.0
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      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "106870",
    "chemical_composition": {},
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      {
        "material": "manganese dioxide",
        "amount": 75.0
      },
      {
        "material": "cobalt oxide",
        "amount": 12.5
      },
      {
        "material": "red iron oxide",
        "amount": 12.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "108401",
    "chemical_composition": {
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      "K2O": 3.3,
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      "CaO": 0.5,
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      "TiO2": 0.19,
      "Fe2O3": 0.25,
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    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 49.0
      },
      {
        "material": "ball clay",
        "amount": 17.0
      },
      {
        "material": "minspar 200",
        "amount": 15.0
      },
      {
        "material": "spodumene",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "111390",
    "chemical_composition": {
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      "Li2O": 1.1,
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      "K2O": 0.46,
      "MgO": 0.04,
      "CaO": 14.37,
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      "P2O5": 0.01,
      "TiO2": 0.07,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 0.15,
      "ZnO": 8.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 22.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 21.5
      },
      {
        "material": "wollastonite",
        "amount": 20.5
      },
      {
        "material": "silica",
        "amount": 14.5
      },
      {
        "material": "spodumene",
        "amount": 13.5
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "111591",
    "chemical_composition": {
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      "Fe2O3": 1.81,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 75.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "112237",
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      "K2O": 2.93,
      "MgO": 5.63,
      "CaO": 4.73,
      "P2O5": 1.55,
      "TiO2": 0.05,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.71
      },
      {
        "material": "talc",
        "amount": 13.81
      },
      {
        "material": "calcined kaolin",
        "amount": 13.61
      },
      {
        "material": "spodumene",
        "amount": 12.4
      },
      {
        "material": "ep kaolin",
        "amount": 10.99
      },
      {
        "material": "gerstley borate",
        "amount": 8.77
      },
      {
        "material": "silica",
        "amount": 7.86
      },
      {
        "material": "bone ash",
        "amount": 3.33
      },
      {
        "material": "dolomite",
        "amount": 2.52
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "112238",
    "chemical_composition": {
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      "SiO2": 65.41,
      "Al2O3": 14.67,
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      "Li2O": 1.01,
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      "K2O": 1.4,
      "MgO": 5.38,
      "CaO": 4.56,
      "P2O5": 1.49,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 25.5
      },
      {
        "material": "silica",
        "amount": 23.3
      },
      {
        "material": "talc",
        "amount": 13.2
      },
      {
        "material": "ep kaolin",
        "amount": 11.8
      },
      {
        "material": "spodumene",
        "amount": 11.8
      },
      {
        "material": "gerstley borate",
        "amount": 8.4
      },
      {
        "material": "bone ash",
        "amount": 3.2
      },
      {
        "material": "dolomite",
        "amount": 2.4
      },
      {
        "material": "soda ash",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.1
      }
    ]
  },
  {
    "id": "112240",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.74,
      "Al2O3": 12.99,
      "B2O3": 3.15,
      "Li2O": 1.2,
      "Na2O": 3.02,
      "K2O": 1.16,
      "MgO": 2.09,
      "CaO": 3.2,
      "SrO": 6.12,
      "P2O5": 0.05,
      "TiO2": 0.09,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "cornwall stone",
        "amount": 16.3
      },
      {
        "material": "spodumene",
        "amount": 13.9
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "ferro frit 3110",
        "amount": 12.3
      },
      {
        "material": "gerstley borate",
        "amount": 9.7
      },
      {
        "material": "strontium carbonate",
        "amount": 8.1
      },
      {
        "material": "talc",
        "amount": 4.9
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "112241",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.98,
      "Al2O3": 14.46,
      "B2O3": 1.95,
      "Na2O": 1.14,
      "K2O": 2.87,
      "MgO": 0.27,
      "CaO": 6.84,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "ZnO": 7.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 26.4
      },
      {
        "material": "calcined kaolin",
        "amount": 12.0
      },
      {
        "material": "wollastonite",
        "amount": 10.6
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "112400",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.97,
      "Al2O3": 14.78,
      "B2O3": 3.27,
      "Na2O": 3.1,
      "K2O": 2.55,
      "MgO": 0.44,
      "CaO": 6.15,
      "BaO": 7.91,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "ZnO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.84
      },
      {
        "material": "custer feldspar",
        "amount": 13.07
      },
      {
        "material": "gerstley borate",
        "amount": 11.02
      },
      {
        "material": "ep kaolin",
        "amount": 10.81
      },
      {
        "material": "barium carbonate",
        "amount": 9.2
      },
      {
        "material": "whiting",
        "amount": 5.85
      },
      {
        "material": "calcined kaolin",
        "amount": 5.51
      },
      {
        "material": "zinc oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "112401",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.33,
      "Al2O3": 14.63,
      "B2O3": 3.46,
      "Na2O": 2.27,
      "K2O": 5.9,
      "MgO": 0.46,
      "CaO": 12.63,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.88
      },
      {
        "material": "whiting",
        "amount": 15.52
      },
      {
        "material": "silica",
        "amount": 11.39
      },
      {
        "material": "gerstley borate",
        "amount": 11.32
      },
      {
        "material": "ep kaolin",
        "amount": 10.88
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "113222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.71,
      "Al2O3": 11.66,
      "B2O3": 5.35,
      "Na2O": 3.58,
      "K2O": 2.59,
      "MgO": 0.52,
      "CaO": 8.07,
      "BaO": 6.26,
      "P2O5": 0.02,
      "TiO2": 0.11,
      "Fe2O3": 0.3,
      "CuO": 5.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 59.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.42
      },
      {
        "material": "gerstley borate",
        "amount": 10.55
      },
      {
        "material": "barium carbonate",
        "amount": 8.18
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 3.07
      },
      {
        "material": "silica",
        "amount": 2.69
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 9.18
      },
      {
        "material": "bentonite",
        "amount": 3.48
      },
      {
        "material": "total",
        "amount": 112.67
      }
    ]
  },
  {
    "id": "113613",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.61,
      "Al2O3": 11.45,
      "B2O3": 3.42,
      "Na2O": 3.22,
      "K2O": 3.62,
      "MgO": 0.42,
      "CaO": 8.36,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "ZnO": 6.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.96
      },
      {
        "material": "silica",
        "amount": 17.4
      },
      {
        "material": "gerstley borate",
        "amount": 11.04
      },
      {
        "material": "ferro frit 3110",
        "amount": 11.0
      },
      {
        "material": "wollastonite",
        "amount": 10.34
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.32
      },
      {
        "material": "calcined kaolin",
        "amount": 2.94
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "113791",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.29,
      "Al2O3": 13.15,
      "B2O3": 5.04,
      "Li2O": 0.22,
      "Na2O": 3.63,
      "K2O": 2.35,
      "MgO": 1.32,
      "CaO": 9.76,
      "SrO": 1.27,
      "BaO": 2.23,
      "P2O5": 0.03,
      "TiO2": 0.08,
      "Fe2O3": 0.17,
      "ZnO": 1.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 15.54
      },
      {
        "material": "cornwall stone",
        "amount": 14.47
      },
      {
        "material": "nepheline syenite a270",
        "amount": 11.9
      },
      {
        "material": "gerstley borate",
        "amount": 10.68
      },
      {
        "material": "custer feldspar",
        "amount": 7.54
      },
      {
        "material": "ferro frit 3134",
        "amount": 7.5
      },
      {
        "material": "ep kaolin",
        "amount": 7.24
      },
      {
        "material": "whiting",
        "amount": 6.6
      },
      {
        "material": "barium carbonate",
        "amount": 2.61
      },
      {
        "material": "calcined kaolin",
        "amount": 2.55
      },
      {
        "material": "minspar 200",
        "amount": 2.45
      },
      {
        "material": "spodumene",
        "amount": 2.44
      },
      {
        "material": "wollastonite",
        "amount": 1.66
      },
      {
        "material": "strontium carbonate",
        "amount": 1.64
      },
      {
        "material": "talc",
        "amount": 1.48
      },
      {
        "material": "dolomite",
        "amount": 1.43
      },
      {
        "material": "zinc oxide",
        "amount": 1.34
      },
      {
        "material": "ball clay",
        "amount": 0.91
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.02
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "113999",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.46,
      "Al2O3": 12.24,
      "B2O3": 4.03,
      "Na2O": 2.23,
      "K2O": 2.79,
      "MgO": 0.52,
      "CaO": 10.45,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "custer feldspar",
        "amount": 24.05
      },
      {
        "material": "wollastonite",
        "amount": 14.01
      },
      {
        "material": "gerstley borate",
        "amount": 13.6
      },
      {
        "material": "ep kaolin",
        "amount": 11.11
      },
      {
        "material": "calcined kaolin",
        "amount": 6.41
      },
      {
        "material": "ferro frit 3110",
        "amount": 5.42
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "114001",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.03,
      "Al2O3": 9.37,
      "Na2O": 2.65,
      "K2O": 1.72,
      "MgO": 0.05,
      "CaO": 8.87,
      "TiO2": 0.08,
      "Fe2O3": 0.13,
      "CuO": 1.52,
      "ZnO": 12.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.25
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.25
      }
    ]
  },
  {
    "id": "114002",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.46,
      "Al2O3": 20.29,
      "B2O3": 3.08,
      "Na2O": 5.42,
      "K2O": 2.36,
      "MgO": 6.87,
      "CaO": 4.0,
      "SrO": 2.42,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.15
      },
      {
        "material": "talc",
        "amount": 19.19
      },
      {
        "material": "calcined kaolin",
        "amount": 18.4
      },
      {
        "material": "gerstley borate",
        "amount": 10.89
      },
      {
        "material": "strontium carbonate",
        "amount": 3.26
      },
      {
        "material": "wollastonite",
        "amount": 3.11
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "114228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.99,
      "Al2O3": 10.25,
      "B2O3": 1.88,
      "Na2O": 2.97,
      "K2O": 3.77,
      "MgO": 0.13,
      "CaO": 7.05,
      "TiO2": 0.29,
      "Fe2O3": 11.45,
      "F": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "tinkar z",
        "amount": 23.0
      },
      {
        "material": "frita cc 202",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "114348",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.84,
      "Al2O3": 13.54,
      "Na2O": 3.59,
      "K2O": 2.43,
      "MgO": 0.03,
      "CaO": 11.16,
      "TiO2": 0.0,
      "Fe2O3": 0.43,
      "ZnO": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 54.3
      },
      {
        "material": "wollastonite",
        "amount": 21.2
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.9
      },
      {
        "material": "silica",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.35
      },
      {
        "material": "silicon carbide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "114730",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.42,
      "Al2O3": 5.83,
      "B2O3": 5.39,
      "Na2O": 6.3,
      "K2O": 1.63,
      "MgO": 0.19,
      "CaO": 3.19,
      "SrO": 8.0,
      "TiO2": 0.14,
      "Fe2O3": 19.23,
      "F": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita cc 202",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "strontium carbonate",
        "amount": 13.0
      },
      {
        "material": "diamond kaolin",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 23.0
      },
      {
        "material": "total",
        "amount": 123.0
      },
      {
        "material": "specific gravity",
        "amount": 150.0
      }
    ]
  },
  {
    "id": "114936",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.25,
      "Al2O3": 5.71,
      "B2O3": 6.19,
      "Li2O": 0.94,
      "Na2O": 7.22,
      "K2O": 1.86,
      "MgO": 0.21,
      "CaO": 0.83,
      "Fe2O3": 16.01,
      "F": 0.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita cc 202",
        "amount": 49.0
      },
      {
        "material": "silica",
        "amount": 37.0
      },
      {
        "material": "spodumene",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "116115",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.64,
      "Al2O3": 11.68,
      "B2O3": 4.74,
      "Na2O": 4.11,
      "K2O": 0.39,
      "MgO": 0.03,
      "CaO": 20.09,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 24.5
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "116949",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.11,
      "Al2O3": 13.15,
      "Na2O": 3.89,
      "K2O": 2.56,
      "MgO": 0.02,
      "CaO": 12.12,
      "TiO2": 0.0,
      "Fe2O3": 0.41,
      "ZnO": 9.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 59.21
      },
      {
        "material": "wollastonite",
        "amount": 23.12
      },
      {
        "material": "zinc oxide",
        "amount": 9.7
      },
      {
        "material": "grolleg kaolin",
        "amount": 5.62
      },
      {
        "material": "silica",
        "amount": 2.36
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 0.35
      },
      {
        "material": "silicon carbide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 100.51
      }
    ]
  },
  {
    "id": "118111",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.87,
      "Al2O3": 9.73,
      "B2O3": 4.02,
      "Na2O": 3.36,
      "K2O": 0.33,
      "MgO": 4.78,
      "CaO": 10.18,
      "P2O5": 5.59,
      "TiO2": 0.06,
      "MnO": 0.01,
      "Fe2O3": 13.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 24.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 19.5
      },
      {
        "material": "talc",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "lapacho specific gravity",
        "amount": 149.0
      }
    ]
  },
  {
    "id": "119456",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.46,
      "Al2O3": 10.98,
      "B2O3": 4.4,
      "Na2O": 3.63,
      "K2O": 0.37,
      "MgO": 0.03,
      "CaO": 18.82,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 32.0
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 26.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 11.2
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "119457",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.83,
      "Al2O3": 10.31,
      "B2O3": 4.13,
      "Na2O": 3.4,
      "K2O": 0.35,
      "MgO": 0.02,
      "CaO": 17.66,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 32.0
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 26.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 113.4
      }
    ]
  },
  {
    "id": "119460",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.6,
      "Al2O3": 10.28,
      "B2O3": 4.17,
      "Na2O": 3.61,
      "K2O": 0.34,
      "MgO": 0.02,
      "CaO": 17.68,
      "TiO2": 0.06,
      "MnO": 0.01,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.8
      },
      {
        "material": "whiting",
        "amount": 24.5
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 22.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 111.8
      }
    ]
  },
  {
    "id": "119461",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.26,
      "Al2O3": 10.94,
      "B2O3": 4.44,
      "Na2O": 3.85,
      "K2O": 0.37,
      "MgO": 0.02,
      "CaO": 18.82,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 23.85
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 22.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "total",
        "amount": 105.85
      }
    ]
  },
  {
    "id": "119551",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.12,
      "Al2O3": 14.17,
      "B2O3": 2.66,
      "Na2O": 3.52,
      "K2O": 1.19,
      "MgO": 0.36,
      "CaO": 5.99,
      "BaO": 12.04,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "ZnO": 0.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.94
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.51
      },
      {
        "material": "barium carbonate",
        "amount": 13.86
      },
      {
        "material": "calcined kaolin",
        "amount": 9.52
      },
      {
        "material": "ep kaolin",
        "amount": 9.02
      },
      {
        "material": "gerstley borate",
        "amount": 8.86
      },
      {
        "material": "whiting",
        "amount": 6.32
      },
      {
        "material": "soda ash",
        "amount": 1.31
      },
      {
        "material": "zinc oxide",
        "amount": 0.66
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "119557",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.23,
      "Al2O3": 14.35,
      "B2O3": 5.35,
      "Na2O": 2.53,
      "K2O": 4.97,
      "MgO": 0.75,
      "CaO": 12.16,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.21,
      "ZnO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.41
      },
      {
        "material": "gerstley borate",
        "amount": 14.6
      },
      {
        "material": "whiting",
        "amount": 12.33
      },
      {
        "material": "silica",
        "amount": 12.03
      },
      {
        "material": "ep kaolin",
        "amount": 10.55
      },
      {
        "material": "ferro frit 3124",
        "amount": 5.82
      },
      {
        "material": "calcined kaolin",
        "amount": 1.68
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.3
      },
      {
        "material": "zinc oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.02
      }
    ]
  },
  {
    "id": "119582",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.98,
      "Al2O3": 15.67,
      "B2O3": 2.91,
      "Na2O": 5.03,
      "K2O": 1.73,
      "MgO": 3.04,
      "CaO": 9.81,
      "SrO": 15.42,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "CuO": 1.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 33.09
      },
      {
        "material": "strontium carbonate",
        "amount": 18.18
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.09
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "calcined kaolin",
        "amount": 7.27
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 3.27
      },
      {
        "material": "total base recipe",
        "amount": 99.9
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.4
      }
    ]
  },
  {
    "id": "119701",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.28,
      "Al2O3": 11.21,
      "B2O3": 0.94,
      "Li2O": 2.41,
      "Na2O": 1.55,
      "K2O": 4.71,
      "MgO": 1.96,
      "CaO": 9.45,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 10.44,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.36
      },
      {
        "material": "silica",
        "amount": 18.02
      },
      {
        "material": "red iron oxide",
        "amount": 9.39
      },
      {
        "material": "whiting",
        "amount": 9.36
      },
      {
        "material": "ep kaolin",
        "amount": 7.5
      },
      {
        "material": "dolomite",
        "amount": 7.21
      },
      {
        "material": "lithium carbonate",
        "amount": 5.11
      },
      {
        "material": "gerstley borate",
        "amount": 3.04
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "120490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 75.88,
      "Al2O3": 15.95,
      "Na2O": 2.69,
      "K2O": 2.96,
      "MgO": 0.34,
      "CaO": 1.8,
      "TiO2": 0.01,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.79
      },
      {
        "material": "silica",
        "amount": 32.01
      },
      {
        "material": "grolleg kaolin",
        "amount": 19.82
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 9.0
      },
      {
        "material": "wollastonite",
        "amount": 2.45
      },
      {
        "material": "talc",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.21
      },
      {
        "material": "total",
        "amount": 100.08
      }
    ]
  },
  {
    "id": "121102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.16,
      "Al2O3": 14.23,
      "Na2O": 0.87,
      "K2O": 3.73,
      "MgO": 2.73,
      "CaO": 16.15,
      "P2O5": 0.71,
      "TiO2": 0.01,
      "Fe2O3": 1.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.71
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 24.01
      },
      {
        "material": "grolleg kaolin",
        "amount": 21.28
      },
      {
        "material": "whiting",
        "amount": 17.42
      },
      {
        "material": "dolomite",
        "amount": 10.09
      },
      {
        "material": "bone ash",
        "amount": 1.41
      },
      {
        "material": "red iron oxide",
        "amount": 1.08
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "121122",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.35,
      "Al2O3": 16.85,
      "Na2O": 0.98,
      "K2O": 4.09,
      "MgO": 1.67,
      "CaO": 15.19,
      "P2O5": 0.6,
      "TiO2": 0.01,
      "Fe2O3": 2.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "mahavir potash feldspar",
        "amount": 27.73
      },
      {
        "material": "silica",
        "amount": 18.87
      },
      {
        "material": "whiting",
        "amount": 18.72
      },
      {
        "material": "grolleg kaolin",
        "amount": 18.32
      },
      {
        "material": "calcined new zealand halloysite",
        "amount": 7.13
      },
      {
        "material": "dolomite",
        "amount": 6.15
      },
      {
        "material": "red iron oxide",
        "amount": 1.86
      },
      {
        "material": "bone ash",
        "amount": 1.22
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "121289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.97,
      "Al2O3": 10.27,
      "B2O3": 9.03,
      "Na2O": 4.75,
      "K2O": 2.16,
      "MgO": 4.73,
      "CaO": 7.88,
      "TiO2": 0.23,
      "Fe2O3": 0.32,
      "SnO2": 9.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 41.0
      },
      {
        "material": "ball clay",
        "amount": 24.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 10.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "121305",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.13,
      "Al2O3": 19.78,
      "Na2O": 2.3,
      "K2O": 2.99,
      "MgO": 5.07,
      "CaO": 8.11,
      "P2O5": 0.06,
      "TiO2": 0.19,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "121307",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.49,
      "Al2O3": 13.23,
      "Na2O": 2.88,
      "K2O": 2.11,
      "MgO": 0.3,
      "CaO": 0.38,
      "P2O5": 0.21,
      "TiO2": 0.19,
      "Fe2O3": 16.2,
      "CoO": 1.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 25.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "redart",
        "amount": 12.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "wood ash",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 98.5
      }
    ]
  },
  {
    "id": "121942",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.32,
      "Al2O3": 11.64,
      "Na2O": 2.08,
      "K2O": 0.63,
      "MgO": 4.02,
      "CaO": 20.04,
      "P2O5": 0.11,
      "TiO2": 0.7,
      "MnO": 0.14,
      "Fe2O3": 11.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "pioneer valley basalt",
        "amount": 61.8
      },
      {
        "material": "whiting",
        "amount": 21.6
      },
      {
        "material": "silica",
        "amount": 9.54
      },
      {
        "material": "ep kaolin",
        "amount": 5.08
      },
      {
        "material": "red iron oxide",
        "amount": 1.97
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "121952",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.41,
      "Al2O3": 13.09,
      "B2O3": 2.33,
      "Na2O": 2.97,
      "K2O": 0.6,
      "MgO": 3.75,
      "CaO": 10.32,
      "P2O5": 0.11,
      "TiO2": 0.67,
      "MnO": 0.13,
      "Fe2O3": 8.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "pioneer valley basalt",
        "amount": 62.0
      },
      {
        "material": "silica",
        "amount": 13.76
      },
      {
        "material": "ep kaolin",
        "amount": 10.39
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.79
      },
      {
        "material": "whiting",
        "amount": 4.07
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "122454",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.07,
      "Al2O3": 14.27,
      "B2O3": 4.1,
      "Na2O": 3.6,
      "K2O": 1.07,
      "MgO": 0.02,
      "CaO": 13.57,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "122678",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.01,
      "Al2O3": 16.79,
      "B2O3": 1.46,
      "Na2O": 4.04,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 1.42,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "ZnO": 24.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 31.28
      },
      {
        "material": "zinc oxide",
        "amount": 23.37
      },
      {
        "material": "ep kaolin",
        "amount": 23.23
      },
      {
        "material": "silica",
        "amount": 15.95
      },
      {
        "material": "ferro frit 3134",
        "amount": 6.16
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "122681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.36,
      "Al2O3": 17.58,
      "B2O3": 1.52,
      "Na2O": 4.23,
      "K2O": 1.73,
      "MgO": 0.03,
      "CaO": 11.84,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "ZnO": 10.32,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.33
      },
      {
        "material": "ep kaolin",
        "amount": 22.53
      },
      {
        "material": "whiting",
        "amount": 16.49
      },
      {
        "material": "silica",
        "amount": 15.47
      },
      {
        "material": "zinc oxide",
        "amount": 9.21
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.97
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "125021",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.65,
      "Al2O3": 14.35,
      "B2O3": 4.17,
      "Li2O": 0.73,
      "Na2O": 3.7,
      "K2O": 1.35,
      "MgO": 3.99,
      "CaO": 7.62,
      "SrO": 0.02,
      "BaO": 1.17,
      "TiO2": 0.0,
      "FeO": 0.02,
      "Fe2O3": 2.23,
      "ZnO": 0.9,
      "SnO2": 10.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin e",
        "amount": 26.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 15.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "spodumene",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 10.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "126618",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.4,
      "Al2O3": 14.15,
      "Na2O": 2.14,
      "K2O": 8.74,
      "MgO": 0.14,
      "CaO": 0.59,
      "TiO2": 0.02,
      "MnO2": 17.97,
      "Fe2O3": 0.68,
      "CuO": 5.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 20.0
      },
      {
        "material": "albany slip discontinued",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "126619",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.19,
      "Al2O3": 12.31,
      "Na2O": 1.28,
      "K2O": 5.22,
      "MgO": 1.17,
      "CaO": 2.64,
      "TiO2": 0.17,
      "MnO2": 24.39,
      "Fe2O3": 2.44,
      "CoO": 2.02,
      "CuO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 40.0
      },
      {
        "material": "manganese dioxide",
        "amount": 26.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "127414",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.01,
      "Al2O3": 13.41,
      "Na2O": 2.19,
      "K2O": 2.42,
      "CaO": 9.29,
      "TiO2": 0.0,
      "Fe2O3": 1.25,
      "ZnO": 7.25,
      "SnO2": 5.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "kaolin e",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "127661",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.26,
      "Al2O3": 17.76,
      "Na2O": 7.77,
      "K2O": 0.05,
      "MgO": 2.94,
      "CaO": 11.58,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "SnO2": 8.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 62.14
      },
      {
        "material": "dolomite",
        "amount": 12.62
      },
      {
        "material": "ep kaolin",
        "amount": 12.62
      },
      {
        "material": "whiting",
        "amount": 12.62
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "127664",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.41,
      "Al2O3": 10.61,
      "B2O3": 5.66,
      "Na2O": 5.03,
      "K2O": 1.42,
      "MgO": 3.28,
      "CaO": 5.47,
      "SrO": 0.03,
      "BaO": 1.59,
      "TiO2": 0.0,
      "FeO": 0.02,
      "Fe2O3": 0.25,
      "ZnO": 1.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammer feldspar testing",
        "amount": 20.0
      },
      {
        "material": "kaolin e",
        "amount": 20.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "127684",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.35,
      "Al2O3": 13.14,
      "B2O3": 3.63,
      "Na2O": 1.0,
      "K2O": 2.06,
      "MgO": 0.02,
      "CaO": 12.47,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "feldspar forshammar testing",
        "amount": 20.0
      },
      {
        "material": "frit nr 2 testing",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "127706",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.01,
      "Al2O3": 8.02,
      "B2O3": 3.84,
      "Na2O": 0.57,
      "K2O": 7.33,
      "MgO": 4.85,
      "CaO": 8.83,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.06,
      "CoO": 3.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "128132",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 9.24,
      "B2O3": 6.04,
      "Na2O": 3.54,
      "K2O": 3.12,
      "MgO": 4.07,
      "CaO": 9.37,
      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 0.05,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 24.5
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 14.5
      },
      {
        "material": "dolomite",
        "amount": 12.5
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "128182",
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      "SiO2": 51.7,
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      "Li2O": 0.77,
      "Na2O": 3.74,
      "K2O": 1.01,
      "MgO": 5.43,
      "CaO": 11.41,
      "SrO": 0.06,
      "BaO": 0.41,
      "P2O5": 0.05,
      "TiO2": 0.18,
      "ZrO2": 0.06,
      "MnO": 0.09,
      "Fe2O3": 0.73,
      "ZnO": 0.07,
      "PbO": 0.02,
      "CeO2": 0.0,
      "LOI": 0.0
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    "ingredients": [
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        "material": "spodumene (crecer) 2024 testing",
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      },
      {
        "material": "esmalte tp q92 / 2024 - crecer testing",
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      {
        "material": "dolomita crecer 2024 testing",
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      {
        "material": "caolin imerys - 2024/crecer testing",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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      "MnO2": 59.96,
      "Fe2O3": 0.23,
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    "ingredients": [
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        "material": "manganese dioxide",
        "amount": 61.53
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      {
        "material": "cobalt oxide",
        "amount": 8.07
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      {
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      {
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      {
        "material": "titanium dioxide",
        "amount": 0.2
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      {
        "material": "total",
        "amount": 100.0
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      {
        "material": "hold (min) total 1 83 104 0 1",
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    "ingredients": [
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        "material": "silica",
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        "material": "custer feldspar",
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      {
        "material": "ball clay",
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      {
        "material": "whiting",
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      {
        "material": "total",
        "amount": 100.0
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        "material": "custer feldspar",
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      {
        "material": "tile #6 kaolin",
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      {
        "material": "ep kaolin",
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      {
        "material": "silica",
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      },
      {
        "material": "xx sagger ball clay",
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      {
        "material": "total",
        "amount": 110.0
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    ]
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    "ingredients": [
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        "material": "ep kaolin",
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      {
        "material": "custer feldspar",
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      {
        "material": "silica",
        "amount": 15.96
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      {
        "material": "molochite",
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      {
        "material": "bentonite",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "ingredients": [
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        "material": "grolleg kaolin",
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      {
        "material": "custer feldspar",
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        "material": "pyrophyllite",
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      {
        "material": "silica",
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      },
      {
        "material": "bentonite",
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      {
        "material": "total",
        "amount": 102.0
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    ]
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    "ingredients": [
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        "material": "grolleg kaolin",
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      {
        "material": "minspar 200",
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      {
        "material": "silica",
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        "material": "total",
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        "material": "ball clay",
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        "material": "custer feldspar",
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      {
        "material": "kaolin",
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      {
        "material": "silica",
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      {
        "material": "total",
        "amount": 100.0
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        "material": "c & c ball clay",
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        "material": "ep kaolin",
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        "material": "grolleg kaolin",
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      {
        "material": "macaloid",
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      {
        "material": "total",
        "amount": 102.0
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        "material": "ep kaolin",
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        "material": "tennessee ball clay",
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        "material": "helmer kaolin",
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        "material": "alumina",
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      {
        "material": "macaloid",
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        "amount": 101.0
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        "material": "grolleg kaolin",
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        "material": "minspar 200",
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        "material": "silica",
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      {
        "material": "macaloid",
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        "material": "total",
        "amount": 108.0
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        "material": "custer feldspar",
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        "material": "silica",
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        "material": "c & c ball clay",
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        "material": "bentonite",
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        "material": "total",
        "amount": 102.0
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        "material": "minspar 200",
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        "material": "c & c ball clay",
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        "material": "ep kaolin",
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        "material": "silica",
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      {
        "material": "pyrophyllite",
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        "material": "macaloid",
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      {
        "material": "total",
        "amount": 100.0
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        "material": "grolleg kaolin",
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      {
        "material": "custer feldspar",
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        "material": "silica",
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      {
        "material": "bentonite",
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        "material": "total",
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    ]
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        "material": "grolleg kaolin",
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      {
        "material": "custer feldspar",
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      {
        "material": "silica",
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      {
        "material": "pyrophyllite",
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      {
        "material": "veegum t",
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      },
      {
        "material": "total",
        "amount": 103.0
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    ]
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    "id": "128774",
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        "material": "grolleg kaolin",
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      {
        "material": "silica",
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      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
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      },
      {
        "material": "alumina",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "macaloid",
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      },
      {
        "material": "total",
        "amount": 108.0
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    ]
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    "id": "128776",
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        "material": "custer feldspar",
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      {
        "material": "silica",
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      {
        "material": "tile #6 kaolin",
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      {
        "material": "ep kaolin",
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      {
        "material": "tennessee ball clay",
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      {
        "material": "pyrophyllite",
        "amount": 1.98
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "128777",
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        "material": "grolleg kaolin",
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      {
        "material": "tile #6 kaolin",
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        "material": "silica",
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        "material": "custer feldspar",
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        "material": "c & c ball clay",
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      {
        "material": "alumina",
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      },
      {
        "material": "bentonite",
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      },
      {
        "material": "molochite",
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      },
      {
        "material": "total",
        "amount": 201.0
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    ]
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    "id": "129930",
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      "K2O": 0.77,
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      "CaO": 15.74,
      "BaO": 2.09,
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      "TiO2": 0.12,
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    "ingredients": [
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        "material": "ep kaolin",
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        "material": "silica",
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      {
        "material": "whiting",
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      {
        "material": "nepheline syenite a270",
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      {
        "material": "bone ash",
        "amount": 5.2
      },
      {
        "material": "talc",
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      },
      {
        "material": "barium carbonate",
        "amount": 2.6
      },
      {
        "material": "lithium carbonate",
        "amount": 0.5
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron oxide",
        "amount": 12.2
      },
      {
        "material": "copper carbonate",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 113.1
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    ]
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    "id": "129945",
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        "material": "custer feldspar",
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        "material": "silica",
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        "material": "whiting",
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        "material": "kentucky om #4 ball clay",
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      {
        "material": "gerstley borate",
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      {
        "material": "zinc oxide",
        "amount": 7.22
      },
      {
        "material": "total base recipe",
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      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
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      {
        "material": "total",
        "amount": 105.99
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    ]
  },
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    "id": "130144",
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      "MgO": 11.82,
      "CaO": 9.18,
      "P2O5": 0.08,
      "TiO2": 5.29,
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    "ingredients": [
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        "material": "gerstley borate",
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      {
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        "amount": 25.0
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        "material": "silica",
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      {
        "material": "ep kaolin",
        "amount": 13.0
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      {
        "material": "dolomite",
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      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
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      {
        "material": "total",
        "amount": 102.0
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    ]
  },
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      "MgO": 0.06,
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      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "CuO": 0.87,
      "ZnO": 20.66,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 30.16
      },
      {
        "material": "silica",
        "amount": 23.82
      },
      {
        "material": "whiting",
        "amount": 22.22
      },
      {
        "material": "zinc oxide",
        "amount": 19.05
      },
      {
        "material": "ball clay",
        "amount": 4.76
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 103.26
      }
    ]
  },
  {
    "id": "130153",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.38,
      "Al2O3": 11.76,
      "B2O3": 3.72,
      "Na2O": 2.34,
      "K2O": 2.31,
      "MgO": 2.95,
      "CaO": 10.16,
      "P2O5": 0.05,
      "TiO2": 4.67,
      "Fe2O3": 0.68,
      "CuO": 1.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "130156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.26,
      "Al2O3": 11.61,
      "B2O3": 2.66,
      "Na2O": 3.29,
      "K2O": 1.89,
      "MgO": 0.36,
      "CaO": 11.29,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CoO": 0.7,
      "ZnO": 7.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "130426",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.79,
      "Al2O3": 12.67,
      "B2O3": 0.73,
      "Li2O": 1.74,
      "Na2O": 4.24,
      "K2O": 0.76,
      "MgO": 0.03,
      "CaO": 1.8,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 4.4,
      "CuO": 0.27,
      "ZnO": 18.11,
      "SnO2": 4.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 29.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 26.0
      },
      {
        "material": "zinc oxide",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "yellow ochre",
        "amount": 0.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.9
      }
    ]
  },
  {
    "id": "130428",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.12,
      "Al2O3": 24.11,
      "B2O3": 1.38,
      "Li2O": 1.92,
      "Na2O": 7.61,
      "K2O": 2.95,
      "MgO": 0.24,
      "CaO": 1.27,
      "P2O5": 0.01,
      "TiO2": 0.16,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 54.5
      },
      {
        "material": "spodumene",
        "amount": 22.8
      },
      {
        "material": "ball clay",
        "amount": 14.9
      },
      {
        "material": "gerstley borate",
        "amount": 4.9
      },
      {
        "material": "soda ash",
        "amount": 2.6
      },
      {
        "material": "total",
        "amount": 99.7
      }
    ]
  },
  {
    "id": "130430",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.3,
      "Al2O3": 19.82,
      "B2O3": 1.49,
      "Li2O": 2.71,
      "Na2O": 7.14,
      "K2O": 3.25,
      "MgO": 0.21,
      "CaO": 1.33,
      "SrO": 11.67,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "calcined kaolin",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "131257",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.17,
      "Al2O3": 11.69,
      "Na2O": 3.25,
      "K2O": 1.56,
      "MgO": 0.04,
      "CaO": 6.94,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.62,
      "ZnO": 10.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 31.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 95.5
      }
    ]
  },
  {
    "id": "131261",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.74,
      "Al2O3": 8.88,
      "B2O3": 6.2,
      "Na2O": 3.63,
      "K2O": 2.93,
      "MgO": 0.81,
      "CaO": 10.98,
      "SrO": 2.52,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.1,
      "CuO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 18.2
      },
      {
        "material": "wollastonite",
        "amount": 10.6
      },
      {
        "material": "ep kaolin",
        "amount": 8.4
      },
      {
        "material": "strontium carbonate",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 2.3
      },
      {
        "material": "total base recipe",
        "amount": 94.4
      },
      {
        "material": "copper carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 94.65
      }
    ]
  },
  {
    "id": "131264",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.93,
      "Al2O3": 9.51,
      "B2O3": 2.82,
      "Na2O": 1.93,
      "K2O": 0.8,
      "MgO": 0.4,
      "CaO": 21.06,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 37.2
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 14.9
      },
      {
        "material": "nepheline syenite",
        "amount": 14.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "red iron oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.35
      }
    ]
  },
  {
    "id": "131265",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.67,
      "Al2O3": 9.47,
      "B2O3": 2.81,
      "Na2O": 1.92,
      "K2O": 0.79,
      "MgO": 0.4,
      "CaO": 20.97,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.18,
      "CuO": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 37.2
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 14.9
      },
      {
        "material": "nepheline syenite",
        "amount": 14.5
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.1
      }
    ]
  },
  {
    "id": "131270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.31,
      "Al2O3": 11.7,
      "Na2O": 1.29,
      "K2O": 1.94,
      "MgO": 0.1,
      "CaO": 7.73,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "ZnO": 9.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.0
      },
      {
        "material": "wollastonite",
        "amount": 15.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "131275",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.55,
      "Al2O3": 17.94,
      "Li2O": 1.32,
      "Na2O": 6.17,
      "K2O": 3.07,
      "MgO": 1.22,
      "CaO": 1.88,
      "BaO": 16.72,
      "TiO2": 0.0,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 55.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "131278",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.67,
      "Al2O3": 8.87,
      "B2O3": 3.49,
      "Li2O": 2.21,
      "Na2O": 1.51,
      "K2O": 3.47,
      "MgO": 0.48,
      "CaO": 7.87,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.15,
      "ZnO": 16.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "131282",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 14.61,
      "B2O3": 5.44,
      "Na2O": 1.39,
      "K2O": 0.11,
      "MgO": 0.03,
      "CaO": 17.95,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "wollastonite",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3195",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "131286",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.59,
      "Al2O3": 9.73,
      "Na2O": 1.32,
      "K2O": 4.23,
      "MgO": 0.05,
      "CaO": 8.32,
      "P2O5": 0.02,
      "TiO2": 4.99,
      "Fe2O3": 0.7,
      "ZnO": 12.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.7
      },
      {
        "material": "silica",
        "amount": 25.9
      },
      {
        "material": "whiting",
        "amount": 14.5
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "131411",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.53,
      "Al2O3": 10.66,
      "B2O3": 4.93,
      "Na2O": 3.08,
      "K2O": 1.58,
      "MgO": 0.65,
      "CaO": 8.72,
      "BaO": 6.35,
      "P2O5": 0.04,
      "TiO2": 9.26,
      "Fe2O3": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "gerstley borate",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "131435",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.76,
      "Al2O3": 17.1,
      "Na2O": 1.81,
      "K2O": 4.81,
      "MgO": 0.05,
      "CaO": 10.96,
      "P2O5": 0.05,
      "TiO2": 0.1,
      "Fe2O3": 8.1,
      "ZnO": 7.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "cornwall stone",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "131498",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.32,
      "Al2O3": 11.34,
      "Li2O": 1.06,
      "Na2O": 3.15,
      "K2O": 1.47,
      "MgO": 1.38,
      "CaO": 8.8,
      "ZrO2": 7.21,
      "Fe2O3": 0.09,
      "ZnO": 4.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 29.5
      },
      {
        "material": "silica",
        "amount": 27.1
      },
      {
        "material": "spodumene",
        "amount": 12.4
      },
      {
        "material": "whiting",
        "amount": 11.2
      },
      {
        "material": "dolomite",
        "amount": 5.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 89.7
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "131841",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.25,
      "Al2O3": 9.15,
      "B2O3": 6.36,
      "Na2O": 2.84,
      "K2O": 1.02,
      "MgO": 0.85,
      "CaO": 17.38,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Cr2O3": 0.17,
      "Fe2O3": 0.2,
      "SnO2": 5.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 32.0
      },
      {
        "material": "gerstley borate",
        "amount": 21.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.15
      }
    ]
  },
  {
    "id": "131842",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.47,
      "Al2O3": 5.79,
      "B2O3": 11.05,
      "Na2O": 2.03,
      "K2O": 2.28,
      "MgO": 4.24,
      "CaO": 12.03,
      "P2O5": 0.04,
      "TiO2": 21.35,
      "Fe2O3": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "plastic vitrox",
        "amount": 35.55
      },
      {
        "material": "gerstley borate",
        "amount": 34.66
      },
      {
        "material": "rutile",
        "amount": 19.86
      },
      {
        "material": "dolomite",
        "amount": 9.93
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "131846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.19,
      "Al2O3": 17.53,
      "Na2O": 6.52,
      "K2O": 3.05,
      "MgO": 0.06,
      "CaO": 0.27,
      "SrO": 20.11,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.17,
      "CuO": 3.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 55.56
      },
      {
        "material": "strontium carbonate",
        "amount": 25.64
      },
      {
        "material": "silica",
        "amount": 6.84
      },
      {
        "material": "ep kaolin",
        "amount": 5.98
      },
      {
        "material": "copper carbonate",
        "amount": 4.27
      },
      {
        "material": "bentonite",
        "amount": 1.71
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "131859",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.78,
      "Al2O3": 10.1,
      "B2O3": 5.64,
      "Na2O": 3.15,
      "K2O": 2.15,
      "MgO": 1.53,
      "CaO": 7.06,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.28,
      "CoO": 1.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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    "id": "131872",
    "chemical_composition": {
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      "SiO2": 51.89,
      "Al2O3": 13.92,
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      "K2O": 1.92,
      "MgO": 0.11,
      "CaO": 12.44,
      "TiO2": 0.15,
      "MnO2": 4.87,
      "FeO": 2.44,
      "Fe2O3": 6.34,
      "CoO": 1.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 41.67
      },
      {
        "material": "silica",
        "amount": 23.33
      },
      {
        "material": "whiting",
        "amount": 23.33
      },
      {
        "material": "tile #6 kaolin",
        "amount": 11.67
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black iron oxide",
        "amount": 10.0
      },
      {
        "material": "manganese dioxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
  {
    "id": "131875",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.26,
      "Al2O3": 17.87,
      "Na2O": 4.7,
      "K2O": 2.63,
      "MgO": 0.02,
      "CaO": 13.27,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 8.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "131876",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.95,
      "Al2O3": 18.0,
      "B2O3": 3.68,
      "Li2O": 3.61,
      "Na2O": 5.86,
      "K2O": 2.46,
      "MgO": 0.53,
      "CaO": 9.31,
      "P2O5": 0.04,
      "TiO2": 8.84,
      "Fe2O3": 4.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
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    "id": "131885",
    "chemical_composition": {
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      "SiO2": 50.64,
      "Al2O3": 16.62,
      "Li2O": 1.73,
      "Na2O": 6.47,
      "K2O": 3.07,
      "MgO": 0.06,
      "CaO": 0.27,
      "BaO": 18.16,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "CuO": 2.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 58.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "ball clay",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "132063",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.91,
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      "K2O": 5.69,
      "MgO": 0.01,
      "CaO": 12.4,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "ZnO": 2.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.7
      },
      {
        "material": "whiting",
        "amount": 19.5
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "ep kaolin",
        "amount": 8.8
      },
      {
        "material": "zinc oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "132066",
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      "SiO2": 63.87,
      "Al2O3": 15.83,
      "Li2O": 0.98,
      "Na2O": 4.24,
      "K2O": 2.0,
      "MgO": 0.02,
      "CaO": 5.11,
      "BaO": 3.37,
      "P2O5": 0.02,
      "TiO2": 1.61,
      "Fe2O3": 0.66,
      "CuO": 0.53,
      "ZnO": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.4
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "spodumene",
        "amount": 11.8
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "ep kaolin",
        "amount": 7.4
      },
      {
        "material": "barium carbonate",
        "amount": 4.2
      },
      {
        "material": "zinc oxide",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 1.7
      },
      {
        "material": "copper carbonate",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 102.9
      }
    ]
  },
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    "id": "132067",
    "chemical_composition": {
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      "SiO2": 62.69,
      "Al2O3": 10.19,
      "Na2O": 1.89,
      "K2O": 5.94,
      "MgO": 1.08,
      "CaO": 5.41,
      "P2O5": 2.1,
      "TiO2": 4.13,
      "FeO": 1.35,
      "Fe2O3": 1.83,
      "CoO": 0.52,
      "SnO2": 2.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.3
      },
      {
        "material": "custer feldspar",
        "amount": 27.4
      },
      {
        "material": "wood ash",
        "amount": 16.4
      },
      {
        "material": "ep kaolin",
        "amount": 14.8
      },
      {
        "material": "whiting",
        "amount": 4.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.1
      },
      {
        "material": "ilmenite",
        "amount": 3.1
      },
      {
        "material": "rutile",
        "amount": 3.1
      },
      {
        "material": "tin oxide",
        "amount": 3.1
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 113.3
      }
    ]
  },
  {
    "id": "132074",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.23,
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      "Na2O": 1.88,
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      "CaO": 6.06,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 60.0
      },
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "132082",
    "chemical_composition": {
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      "SiO2": 63.38,
      "Al2O3": 8.71,
      "B2O3": 2.04,
      "Na2O": 1.64,
      "K2O": 4.44,
      "MgO": 1.99,
      "CaO": 8.92,
      "BaO": 7.57,
      "P2O5": 0.01,
      "TiO2": 0.06,
      "Fe2O3": 0.12,
      "NiO": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.04
      },
      {
        "material": "silica",
        "amount": 26.33
      },
      {
        "material": "whiting",
        "amount": 11.61
      },
      {
        "material": "barium carbonate",
        "amount": 8.71
      },
      {
        "material": "gerstley borate",
        "amount": 6.81
      },
      {
        "material": "ball clay",
        "amount": 4.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "132085",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.94,
      "Al2O3": 20.85,
      "Na2O": 0.99,
      "K2O": 3.34,
      "MgO": 8.62,
      "CaO": 15.07,
      "P2O5": 0.11,
      "TiO2": 0.16,
      "Fe2O3": 0.35,
      "CoO": 1.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 32.8
      },
      {
        "material": "dolomite",
        "amount": 31.1
      },
      {
        "material": "custer feldspar",
        "amount": 25.4
      },
      {
        "material": "silica",
        "amount": 6.5
      },
      {
        "material": "whiting",
        "amount": 4.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "132088",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 35.57,
      "Al2O3": 15.02,
      "Na2O": 5.71,
      "K2O": 2.68,
      "MgO": 0.02,
      "CaO": 0.22,
      "BaO": 34.12,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.09,
      "CoO": 0.33,
      "CuO": 0.67,
      "ZnO": 5.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 52.6
      },
      {
        "material": "barium carbonate",
        "amount": 42.1
      },
      {
        "material": "ep kaolin",
        "amount": 5.3
      },
      {
        "material": "zinc oxide",
        "amount": 5.3
      },
      {
        "material": "total base recipe",
        "amount": 105.3
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.8
      }
    ]
  },
  {
    "id": "132090",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.7,
      "Al2O3": 20.28,
      "Na2O": 1.53,
      "K2O": 5.12,
      "MgO": 4.12,
      "CaO": 7.5,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.13,
      "CoO": 1.7,
      "NiO": 10.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.0
      },
      {
        "material": "dolomite",
        "amount": 18.8
      },
      {
        "material": "calcined kaolin",
        "amount": 17.3
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 2.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "green nickel oxide",
        "amount": 10.9
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.7
      },
      {
        "material": "total",
        "amount": 113.6
      }
    ]
  },
  {
    "id": "132092",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.75,
      "Al2O3": 11.0,
      "Na2O": 1.59,
      "K2O": 5.32,
      "MgO": 0.01,
      "CaO": 0.17,
      "BaO": 37.06,
      "P2O5": 0.01,
      "TiO2": 3.84,
      "Fe2O3": 0.51,
      "CuO": 0.68,
      "SnO2": 1.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 45.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "132107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.27,
      "Al2O3": 10.91,
      "B2O3": 9.97,
      "Na2O": 4.61,
      "K2O": 0.54,
      "MgO": 0.19,
      "CaO": 10.22,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.08,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 80.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "epsom salts",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "132108",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.95,
      "Al2O3": 9.9,
      "B2O3": 2.49,
      "Na2O": 0.6,
      "K2O": 2.39,
      "MgO": 1.23,
      "CaO": 1.96,
      "P2O5": 0.13,
      "TiO2": 0.66,
      "MnO": 25.76,
      "Fe2O3": 4.01,
      "CoO": 2.92,
      "CuO": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "redart",
        "amount": 44.44
      },
      {
        "material": "manganese carbonate",
        "amount": 33.33
      },
      {
        "material": "gerstley borate",
        "amount": 7.41
      },
      {
        "material": "ball clay",
        "amount": 3.7
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.7
      },
      {
        "material": "copper carbonate",
        "amount": 3.7
      },
      {
        "material": "silica",
        "amount": 3.7
      },
      {
        "material": "total",
        "amount": 99.98
      }
    ]
  },
  {
    "id": "132122",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.41,
      "Al2O3": 16.32,
      "B2O3": 2.56,
      "Na2O": 3.7,
      "K2O": 1.48,
      "MgO": 1.69,
      "CaO": 16.47,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "132131",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 11.94,
      "Al2O3": 9.76,
      "Na2O": 0.02,
      "K2O": 0.09,
      "MgO": 0.03,
      "CaO": 0.05,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "MnO2": 60.19,
      "Fe2O3": 0.2,
      "CoO": 8.48,
      "CuO": 9.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 61.0
      },
      {
        "material": "ep kaolin",
        "amount": 23.0
      },
      {
        "material": "cobalt oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "132135",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.77,
      "Al2O3": 10.96,
      "Na2O": 1.07,
      "K2O": 3.58,
      "MgO": 0.01,
      "CaO": 15.0,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "CuO": 3.55,
      "ZnO": 8.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "132137",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.46,
      "Al2O3": 11.77,
      "Li2O": 2.17,
      "Na2O": 1.48,
      "K2O": 1.99,
      "MgO": 0.1,
      "CaO": 6.8,
      "SrO": 9.34,
      "P2O5": 0.01,
      "TiO2": 0.19,
      "Fe2O3": 0.23,
      "CuO": 2.66,
      "SnO2": 4.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 4.5
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "132143",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.02,
      "Al2O3": 13.38,
      "Na2O": 1.43,
      "K2O": 4.8,
      "MgO": 0.01,
      "CaO": 9.88,
      "BaO": 3.58,
      "P2O5": 0.04,
      "TiO2": 5.28,
      "ZrO2": 5.85,
      "Fe2O3": 0.73,
      "ZnO": 7.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.08
      },
      {
        "material": "whiting",
        "amount": 17.89
      },
      {
        "material": "ep kaolin",
        "amount": 14.68
      },
      {
        "material": "zinc oxide",
        "amount": 8.26
      },
      {
        "material": "silica",
        "amount": 5.32
      },
      {
        "material": "barium carbonate",
        "amount": 4.77
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
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    "id": "132153",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 37.41,
      "Al2O3": 11.43,
      "B2O3": 3.88,
      "Na2O": 4.64,
      "K2O": 1.97,
      "MgO": 3.45,
      "CaO": 7.05,
      "BaO": 17.31,
      "P2O5": 0.03,
      "TiO2": 4.05,
      "ZrO2": 7.49,
      "Fe2O3": 0.57,
      "CoO": 0.53,
      "CuO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.75
      },
      {
        "material": "copper carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "132430",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.19,
      "Al2O3": 13.05,
      "B2O3": 2.16,
      "Na2O": 3.59,
      "K2O": 2.23,
      "MgO": 1.01,
      "CaO": 6.3,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.23,
      "CoO": 3.18,
      "ZnO": 5.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "132433",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.32,
      "Al2O3": 14.88,
      "Na2O": 1.72,
      "K2O": 5.73,
      "MgO": 0.01,
      "CaO": 10.83,
      "P2O5": 0.04,
      "TiO2": 5.71,
      "Fe2O3": 0.79,
      "ZnO": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 54.29
      },
      {
        "material": "whiting",
        "amount": 18.1
      },
      {
        "material": "ep kaolin",
        "amount": 13.33
      },
      {
        "material": "zinc oxide",
        "amount": 8.57
      },
      {
        "material": "silica",
        "amount": 5.71
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "132461",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.37,
      "Al2O3": 14.3,
      "B2O3": 8.3,
      "Na2O": 5.9,
      "K2O": 2.33,
      "MgO": 1.1,
      "CaO": 11.35,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.0
      },
      {
        "material": "gerstley borate",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "132462",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.05,
      "Al2O3": 14.2,
      "B2O3": 2.97,
      "Na2O": 4.83,
      "K2O": 2.13,
      "MgO": 0.41,
      "CaO": 10.32,
      "BaO": 12.84,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 38.7
      },
      {
        "material": "barium carbonate",
        "amount": 15.2
      },
      {
        "material": "wollastonite",
        "amount": 15.2
      },
      {
        "material": "silica",
        "amount": 10.5
      },
      {
        "material": "ep kaolin",
        "amount": 10.2
      },
      {
        "material": "gerstley borate",
        "amount": 10.2
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "133571",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.52,
      "Al2O3": 14.73,
      "Na2O": 1.58,
      "K2O": 5.28,
      "MgO": 0.02,
      "CaO": 10.88,
      "BaO": 3.95,
      "P2O5": 0.04,
      "TiO2": 5.34,
      "ZrO2": 5.91,
      "Fe2O3": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.5
      },
      {
        "material": "whiting",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 5.8
      },
      {
        "material": "barium carbonate",
        "amount": 5.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 9.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "133852",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.21,
      "Al2O3": 13.2,
      "Na2O": 1.43,
      "K2O": 4.77,
      "MgO": 2.41,
      "CaO": 13.14,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "CuO": 1.5,
      "ZnO": 5.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.7
      },
      {
        "material": "silica",
        "amount": 16.8
      },
      {
        "material": "whiting",
        "amount": 14.8
      },
      {
        "material": "ep kaolin",
        "amount": 11.9
      },
      {
        "material": "dolomite",
        "amount": 9.4
      },
      {
        "material": "zinc oxide",
        "amount": 4.4
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "134138",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.33,
      "Al2O3": 16.85,
      "Na2O": 3.79,
      "K2O": 9.63,
      "MgO": 0.53,
      "CaO": 1.92,
      "P2O5": 1.09,
      "TiO2": 0.02,
      "Fe2O3": 0.81,
      "SnO2": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 72.66
      },
      {
        "material": "nepheline syenite a270",
        "amount": 9.77
      },
      {
        "material": "wood ash",
        "amount": 7.81
      },
      {
        "material": "ep kaolin",
        "amount": 4.88
      },
      {
        "material": "silica",
        "amount": 3.91
      },
      {
        "material": "total base recipe",
        "amount": 99.03
      },
      {
        "material": "tin oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.03
      }
    ]
  },
  {
    "id": "134208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.39,
      "Al2O3": 19.68,
      "B2O3": 3.76,
      "Na2O": 5.44,
      "K2O": 1.74,
      "MgO": 0.25,
      "CaO": 13.45,
      "TiO2": 4.41,
      "Fe2O3": 0.79,
      "CuO": 3.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "diamond kaolin",
        "amount": 35.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "nepheline syenite",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 106.88
      }
    ]
  },
  {
    "id": "134346",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.0,
      "Al2O3": 10.79,
      "B2O3": 3.54,
      "Na2O": 2.26,
      "K2O": 5.81,
      "MgO": 0.48,
      "CaO": 7.69,
      "BaO": 9.41,
      "P2O5": 0.01,
      "TiO2": 8.86,
      "Fe2O3": 0.15,
      "CuO": 1.42,
      "ZnO": 6.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 52.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "barium carbonate",
        "amount": 11.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "134347",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.22,
      "Al2O3": 7.88,
      "Na2O": 1.11,
      "K2O": 3.7,
      "MgO": 0.0,
      "CaO": 0.12,
      "BaO": 30.3,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.07,
      "CuO": 1.4,
      "ZnO": 15.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 36.0
      },
      {
        "material": "custer feldspar",
        "amount": 34.0
      },
      {
        "material": "zinc oxide",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "134349",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.24,
      "Al2O3": 11.57,
      "Na2O": 5.1,
      "K2O": 2.38,
      "MgO": 0.01,
      "CaO": 0.19,
      "BaO": 11.43,
      "TiO2": 3.92,
      "Fe2O3": 0.27,
      "CuO": 1.26,
      "ZnO": 19.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 50.0
      },
      {
        "material": "zinc oxide",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 106.25
      }
    ]
  },
  {
    "id": "134409",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.76,
      "Al2O3": 14.51,
      "Li2O": 1.15,
      "Na2O": 0.76,
      "K2O": 2.55,
      "MgO": 0.76,
      "CaO": 9.38,
      "SrO": 4.76,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 2.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.45
      },
      {
        "material": "petalite",
        "amount": 21.43
      },
      {
        "material": "silica",
        "amount": 18.37
      },
      {
        "material": "ep kaolin",
        "amount": 15.31
      },
      {
        "material": "whiting",
        "amount": 13.27
      },
      {
        "material": "strontium carbonate",
        "amount": 6.12
      },
      {
        "material": "dolomite",
        "amount": 3.06
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "134416",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.8,
      "Al2O3": 9.3,
      "B2O3": 1.98,
      "Na2O": 2.98,
      "K2O": 1.74,
      "MgO": 1.27,
      "CaO": 9.16,
      "SrO": 5.92,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 5.76,
      "ZnO": 1.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "gerstley borate",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.01
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 5.66
      },
      {
        "material": "total",
        "amount": 105.67
      }
    ]
  },
  {
    "id": "134577",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.14,
      "Al2O3": 18.2,
      "Na2O": 1.74,
      "K2O": 6.15,
      "MgO": 4.87,
      "CaO": 9.57,
      "TiO2": 0.01,
      "ZrO2": 6.1,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.5
      },
      {
        "material": "grolleg kaolin",
        "amount": 21.5
      },
      {
        "material": "dolomite",
        "amount": 20.5
      },
      {
        "material": "zircopax",
        "amount": 8.5
      },
      {
        "material": "whiting",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 108.5
      }
    ]
  },
  {
    "id": "134579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.04,
      "Al2O3": 11.41,
      "B2O3": 1.76,
      "Na2O": 1.88,
      "K2O": 1.1,
      "MgO": 2.84,
      "CaO": 6.9,
      "SrO": 2.71,
      "TiO2": 0.01,
      "ZrO2": 5.19,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 23.0
      },
      {
        "material": "minspar 200",
        "amount": 17.0
      },
      {
        "material": "wollastonite",
        "amount": 11.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.0
      },
      {
        "material": "strontium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "134605",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.8,
      "Al2O3": 11.68,
      "Na2O": 0.39,
      "K2O": 6.04,
      "MgO": 2.33,
      "CaO": 13.57,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "134896",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.16,
      "Al2O3": 10.54,
      "Na2O": 1.86,
      "K2O": 6.2,
      "CaO": 8.52,
      "BaO": 2.26,
      "Fe2O3": 0.06,
      "ZnO": 2.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 57.51
      },
      {
        "material": "silica",
        "amount": 23.8
      },
      {
        "material": "whiting",
        "amount": 13.78
      },
      {
        "material": "barium carbonate",
        "amount": 2.7
      },
      {
        "material": "zinc oxide",
        "amount": 2.21
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "135095",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.36,
      "Al2O3": 13.37,
      "B2O3": 1.17,
      "Na2O": 0.85,
      "K2O": 2.84,
      "MgO": 2.32,
      "CaO": 10.76,
      "SrO": 2.85,
      "P2O5": 0.76,
      "TiO2": 2.74,
      "MnO2": 2.79,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 25.85
      },
      {
        "material": "silica",
        "amount": 23.49
      },
      {
        "material": "ep kaolin",
        "amount": 20.32
      },
      {
        "material": "whiting",
        "amount": 15.94
      },
      {
        "material": "talc",
        "amount": 5.28
      },
      {
        "material": "strontium carbonate",
        "amount": 3.79
      },
      {
        "material": "ferro frit 3249",
        "amount": 3.79
      },
      {
        "material": "bone ash",
        "amount": 1.54
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.48
      },
      {
        "material": "total",
        "amount": 105.48
      }
    ]
  },
  {
    "id": "135102",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.62,
      "Al2O3": 11.23,
      "B2O3": 1.51,
      "Na2O": 1.91,
      "K2O": 1.27,
      "MgO": 0.05,
      "CaO": 10.7,
      "SrO": 9.31,
      "TiO2": 0.0,
      "Cr2O3": 0.27,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.7
      },
      {
        "material": "minspar 200",
        "amount": 21.9
      },
      {
        "material": "wollastonite",
        "amount": 18.7
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.6
      },
      {
        "material": "strontium carbonate",
        "amount": 12.5
      },
      {
        "material": "ferro frit 3195",
        "amount": 6.3
      },
      {
        "material": "chrome oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 99.95
      }
    ]
  },
  {
    "id": "135117",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.39,
      "Al2O3": 15.82,
      "Na2O": 1.02,
      "K2O": 3.83,
      "MgO": 0.08,
      "CaO": 15.6,
      "TiO2": 0.01,
      "FeO": 0.29,
      "Fe2O3": 0.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "total base recipe",
        "amount": 104.0
      },
      {
        "material": "black iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "135247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.58,
      "Al2O3": 13.25,
      "Na2O": 1.44,
      "K2O": 4.49,
      "MgO": 0.08,
      "CaO": 9.71,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.27,
      "CuO": 5.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 39.0
      },
      {
        "material": "silica",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "copper carbonate",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "135271",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.15,
      "Al2O3": 14.56,
      "Na2O": 1.74,
      "K2O": 5.8,
      "MgO": 0.01,
      "CaO": 13.64,
      "BaO": 13.53,
      "P2O5": 0.03,
      "TiO2": 2.0,
      "Fe2O3": 1.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 53.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "barium carbonate",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "136485",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.41,
      "Al2O3": 11.72,
      "B2O3": 3.94,
      "Na2O": 5.11,
      "K2O": 0.42,
      "MgO": 3.42,
      "CaO": 7.17,
      "TiO2": 0.05,
      "MnO2": 2.49,
      "Fe2O3": 7.4,
      "CuO": 2.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 30.0
      },
      {
        "material": "esmalte tp q92 / 2020 - crecer testing",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 16.0
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 9.0
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "136490",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.94,
      "Al2O3": 12.81,
      "B2O3": 3.59,
      "Na2O": 4.6,
      "K2O": 0.29,
      "MgO": 3.07,
      "CaO": 6.48,
      "TiO2": 0.03,
      "MnO2": 6.39,
      "Fe2O3": 7.04,
      "CuO": 2.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "esmalte tp q92 / 2020 - crecer testing",
        "amount": 18.0
      },
      {
        "material": "dolomite",
        "amount": 15.0
      },
      {
        "material": "kaolin",
        "amount": 12.5
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 8.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 119.0
      }
    ]
  },
  {
    "id": "136779",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.71,
      "Al2O3": 12.97,
      "B2O3": 3.97,
      "Na2O": 4.47,
      "K2O": 2.15,
      "MgO": 0.56,
      "CaO": 8.7,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 9.6,
      "CoO": 1.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "gerstley borate",
        "amount": 15.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "kaolin e",
        "amount": 10.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "137612",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.5,
      "Al2O3": 25.7,
      "Li2O": 1.14,
      "Na2O": 9.6,
      "K2O": 2.98,
      "MgO": 0.08,
      "CaO": 0.43,
      "P2O5": 0.03,
      "TiO2": 0.23,
      "Fe2O3": 0.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 43.88
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.29
      },
      {
        "material": "spodumene",
        "amount": 13.27
      },
      {
        "material": "minspar 200",
        "amount": 11.22
      },
      {
        "material": "ep kaolin",
        "amount": 10.2
      },
      {
        "material": "soda ash",
        "amount": 7.14
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "138033",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.37,
      "Al2O3": 18.2,
      "Li2O": 2.11,
      "Na2O": 3.56,
      "K2O": 1.68,
      "MgO": 1.89,
      "CaO": 2.74,
      "P2O5": 0.02,
      "TiO2": 11.32,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "petalite testing",
        "amount": 46.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 36.0
      },
      {
        "material": "dolomite",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "138038",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.29,
      "Al2O3": 7.09,
      "B2O3": 3.28,
      "Na2O": 2.26,
      "K2O": 2.89,
      "MgO": 4.53,
      "CaO": 8.2,
      "BaO": 0.03,
      "TiO2": 0.03,
      "MnO": 0.0,
      "Fe2O3": 0.11,
      "CuO": 4.62,
      "ZnO": 6.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "dolomite",
        "amount": 17.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.5
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "138156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.11,
      "Al2O3": 13.52,
      "B2O3": 8.38,
      "Na2O": 4.98,
      "K2O": 2.56,
      "MgO": 2.59,
      "CaO": 8.98,
      "P2O5": 0.03,
      "TiO2": 0.15,
      "ZrO2": 6.44,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 49.82
      },
      {
        "material": "gerstley borate",
        "amount": 27.49
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.42
      },
      {
        "material": "zircopax",
        "amount": 8.42
      },
      {
        "material": "dolomite",
        "amount": 5.85
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "138750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.73,
      "Al2O3": 16.56,
      "Na2O": 5.13,
      "K2O": 2.98,
      "MgO": 0.07,
      "CaO": 7.94,
      "BaO": 4.97,
      "P2O5": 0.02,
      "TiO2": 6.98,
      "Fe2O3": 4.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 57.34
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.38
      },
      {
        "material": "whiting",
        "amount": 13.29
      },
      {
        "material": "ep kaolin",
        "amount": 7.19
      },
      {
        "material": "barium carbonate",
        "amount": 6.79
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 8.2
      },
      {
        "material": "red iron oxide",
        "amount": 4.1
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 115.29
      }
    ]
  },
  {
    "id": "138753",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.56,
      "Al2O3": 13.7,
      "B2O3": 2.77,
      "Li2O": 3.36,
      "Na2O": 4.71,
      "K2O": 2.08,
      "MgO": 0.38,
      "CaO": 6.82,
      "P2O5": 0.04,
      "TiO2": 15.02,
      "Fe2O3": 5.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "138761",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.22,
      "Al2O3": 9.94,
      "B2O3": 1.77,
      "Na2O": 2.94,
      "K2O": 3.03,
      "MgO": 3.1,
      "CaO": 6.0,
      "P2O5": 0.01,
      "TiO2": 0.09,
      "ZrO2": 1.77,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "custer feldspar",
        "amount": 18.75
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.75
      },
      {
        "material": "gerstley borate",
        "amount": 6.25
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.25
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "139545",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.81,
      "Al2O3": 15.2,
      "B2O3": 2.59,
      "Na2O": 2.42,
      "K2O": 6.83,
      "MgO": 0.35,
      "CaO": 7.51,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 63.64
      },
      {
        "material": "ep kaolin",
        "amount": 9.09
      },
      {
        "material": "gerstley borate",
        "amount": 9.09
      },
      {
        "material": "silica",
        "amount": 9.09
      },
      {
        "material": "whiting",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "139808",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.51,
      "Al2O3": 17.99,
      "Na2O": 0.9,
      "K2O": 2.85,
      "MgO": 0.08,
      "CaO": 24.47,
      "P2O5": 0.09,
      "TiO2": 3.05,
      "Fe2O3": 0.69,
      "CoO": 1.12,
      "CuO": 2.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 36.7
      },
      {
        "material": "ep kaolin",
        "amount": 29.36
      },
      {
        "material": "custer feldspar",
        "amount": 22.94
      },
      {
        "material": "silica",
        "amount": 9.17
      },
      {
        "material": "bentonite",
        "amount": 1.83
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.97
      },
      {
        "material": "rutile",
        "amount": 2.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.22
      }
    ]
  },
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    "id": "140001",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.75,
      "Al2O3": 9.32,
      "B2O3": 6.02,
      "Na2O": 3.44,
      "K2O": 3.04,
      "MgO": 1.65,
      "CaO": 8.63,
      "BaO": 0.0,
      "P2O5": 0.01,
      "TiO2": 0.06,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "Fe2O3": 0.13,
      "CuO": 2.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 102.88
      }
    ]
  },
  {
    "id": "140010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.31,
      "Al2O3": 18.51,
      "B2O3": 3.73,
      "Li2O": 0.96,
      "Na2O": 4.35,
      "K2O": 1.12,
      "MgO": 2.32,
      "CaO": 3.53,
      "SrO": 13.96,
      "BaO": 0.21,
      "TiO2": 0.17,
      "MnO": 0.0,
      "Fe2O3": 0.14,
      "CuO": 3.23,
      "F": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 30.09
      },
      {
        "material": "frita cc 202",
        "amount": 22.12
      },
      {
        "material": "strontium carbonate",
        "amount": 17.7
      },
      {
        "material": "silica",
        "amount": 10.62
      },
      {
        "material": "spodumene",
        "amount": 10.62
      },
      {
        "material": "dolomite",
        "amount": 8.85
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.88
      },
      {
        "material": "total",
        "amount": 102.88
      }
    ]
  },
  {
    "id": "140016",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.43,
      "Al2O3": 9.56,
      "B2O3": 6.17,
      "Na2O": 3.53,
      "K2O": 3.12,
      "MgO": 1.7,
      "CaO": 8.85,
      "BaO": 0.0,
      "P2O5": 0.01,
      "TiO2": 0.06,
      "ZrO2": 0.01,
      "Cr2O3": 0.42,
      "MnO": 0.01,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      }
    ]
  },
  {
    "id": "140031",
    "chemical_composition": {
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      "SiO2": 65.64,
      "Al2O3": 9.55,
      "Na2O": 1.29,
      "K2O": 0.66,
      "MgO": 0.02,
      "CaO": 17.57,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.15,
      "CuO": 5.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 45.0
      },
      {
        "material": "whiting",
        "amount": 28.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "140112",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.4,
      "Al2O3": 11.66,
      "B2O3": 3.5,
      "Na2O": 3.18,
      "K2O": 1.32,
      "MgO": 0.17,
      "CaO": 14.09,
      "BaO": 0.0,
      "P2O5": 0.01,
      "TiO2": 5.16,
      "ZrO2": 0.02,
      "MnO": 0.01,
      "Fe2O3": 0.26,
      "ZnO": 2.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.5
      },
      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "alumina",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "140144",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.7,
      "Al2O3": 11.94,
      "B2O3": 2.35,
      "Na2O": 3.84,
      "K2O": 0.2,
      "MgO": 5.94,
      "CaO": 10.71,
      "P2O5": 4.22,
      "TiO2": 0.42,
      "Fe2O3": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tinkar z",
        "amount": 30.0
      },
      {
        "material": "soda feldspar",
        "amount": 21.5
      },
      {
        "material": "silica",
        "amount": 10.5
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 10.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "140147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.25,
      "Al2O3": 12.3,
      "B2O3": 4.27,
      "Li2O": 1.88,
      "Na2O": 1.95,
      "MgO": 1.03,
      "CaO": 13.12,
      "BaO": 0.08,
      "TiO2": 0.07,
      "MnO": 0.0,
      "Fe2O3": 0.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "spodumene",
        "amount": 22.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "wollastonite",
        "amount": 16.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "140152",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.36,
      "Al2O3": 5.77,
      "B2O3": 5.76,
      "Li2O": 0.43,
      "Na2O": 6.72,
      "K2O": 1.74,
      "MgO": 0.2,
      "CaO": 2.11,
      "SrO": 4.33,
      "TiO2": 0.07,
      "Fe2O3": 17.79,
      "F": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita cc 202",
        "amount": 44.59
      },
      {
        "material": "silica",
        "amount": 33.15
      },
      {
        "material": "strontium carbonate",
        "amount": 7.16
      },
      {
        "material": "spodumene",
        "amount": 6.28
      },
      {
        "material": "diamond kaolin",
        "amount": 6.05
      },
      {
        "material": "whiting",
        "amount": 2.76
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 21.71
      },
      {
        "material": "total",
        "amount": 121.7
      }
    ]
  },
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    "id": "140296",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.8,
      "Al2O3": 11.22,
      "Na2O": 1.34,
      "K2O": 4.39,
      "MgO": 0.03,
      "CaO": 12.14,
      "P2O5": 0.85,
      "TiO2": 0.04,
      "Fe2O3": 1.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.1
      },
      {
        "material": "silica",
        "amount": 31.3
      },
      {
        "material": "whiting",
        "amount": 17.9
      },
      {
        "material": "ep kaolin",
        "amount": 8.9
      },
      {
        "material": "bone ash",
        "amount": 1.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "140980",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.51,
      "Al2O3": 25.7,
      "Na2O": 8.09,
      "K2O": 4.68,
      "MgO": 0.08,
      "CaO": 0.34,
      "P2O5": 0.04,
      "TiO2": 0.23,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 55.0
      },
      {
        "material": "custer feldspar",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 14.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "salt",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "141303",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.1,
      "Al2O3": 11.94,
      "B2O3": 3.57,
      "Na2O": 2.33,
      "K2O": 6.04,
      "MgO": 0.47,
      "CaO": 11.8,
      "P2O5": 0.02,
      "TiO2": 6.49,
      "Fe2O3": 0.86,
      "CuO": 2.64,
      "ZnO": 1.74,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 58.3
      },
      {
        "material": "whiting",
        "amount": 15.7
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "ep kaolin",
        "amount": 4.3
      },
      {
        "material": "zinc oxide",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "141308",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.99,
      "Al2O3": 9.18,
      "B2O3": 4.12,
      "Na2O": 2.07,
      "K2O": 4.9,
      "MgO": 2.46,
      "CaO": 7.65,
      "P2O5": 0.02,
      "TiO2": 0.02,
      "Fe2O3": 0.13,
      "CuO": 0.71,
      "ZnO": 2.2,
      "SnO2": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "gerstley borate",
        "amount": 14.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "tin oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "141314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.63,
      "Al2O3": 9.87,
      "B2O3": 1.4,
      "Na2O": 1.71,
      "K2O": 4.98,
      "MgO": 0.99,
      "CaO": 8.36,
      "BaO": 3.87,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.63,
      "CuO": 0.7,
      "ZnO": 0.73,
      "SnO2": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.33
      },
      {
        "material": "silica",
        "amount": 25.8
      },
      {
        "material": "whiting",
        "amount": 9.93
      },
      {
        "material": "gerstley borate",
        "amount": 4.8
      },
      {
        "material": "barium carbonate",
        "amount": 4.57
      },
      {
        "material": "dolomite",
        "amount": 3.33
      },
      {
        "material": "ep kaolin",
        "amount": 3.3
      },
      {
        "material": "tin oxide",
        "amount": 1.93
      },
      {
        "material": "zinc oxide",
        "amount": 0.67
      },
      {
        "material": "bentonite",
        "amount": 0.33
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.49
      }
    ]
  },
  {
    "id": "141453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.01,
      "Al2O3": 12.25,
      "Na2O": 1.98,
      "K2O": 16.17,
      "MgO": 10.97,
      "CaO": 8.12,
      "P2O5": 6.1,
      "TiO2": 0.06,
      "MnO": 0.96,
      "Fe2O3": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hardwood ash",
        "amount": 35.0
      },
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "talc",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "141458",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 11.06,
      "Al2O3": 3.27,
      "B2O3": 9.58,
      "Na2O": 1.46,
      "K2O": 0.25,
      "MgO": 1.29,
      "CaO": 20.33,
      "BaO": 27.76,
      "P2O5": 0.04,
      "TiO2": 0.16,
      "Cr2O3": 1.12,
      "Fe2O3": 0.26,
      "CuO": 0.72,
      "ZnO": 5.95,
      "SnO2": 16.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 31.99
      },
      {
        "material": "gerstley borate",
        "amount": 31.99
      },
      {
        "material": "whiting",
        "amount": 21.33
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.35
      },
      {
        "material": "zinc oxide",
        "amount": 5.33
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 15.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 116.99
      }
    ]
  },
  {
    "id": "141460",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.87,
      "Al2O3": 12.2,
      "Na2O": 1.01,
      "K2O": 3.39,
      "MgO": 3.78,
      "CaO": 12.11,
      "P2O5": 0.05,
      "TiO2": 7.59,
      "Fe2O3": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.86
      },
      {
        "material": "whiting",
        "amount": 20.43
      },
      {
        "material": "silica",
        "amount": 19.67
      },
      {
        "material": "ep kaolin",
        "amount": 16.75
      },
      {
        "material": "talc",
        "amount": 11.29
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "141466",
    "chemical_composition": {
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      "SiO2": 60.98,
      "Al2O3": 24.12,
      "Na2O": 8.55,
      "K2O": 4.52,
      "MgO": 0.23,
      "CaO": 0.37,
      "P2O5": 0.05,
      "TiO2": 0.17,
      "Fe2O3": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 80.0
      },
      {
        "material": "redart",
        "amount": 12.5
      },
      {
        "material": "ep kaolin",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "141473",
    "chemical_composition": {
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      "SiO2": 53.3,
      "Al2O3": 15.74,
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      "K2O": 5.66,
      "MgO": 0.07,
      "CaO": 10.06,
      "P2O5": 0.02,
      "TiO2": 3.77,
      "Fe2O3": 6.34,
      "ZnO": 3.01,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 48.0
      },
      {
        "material": "cornwall stone",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 9.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "141486",
    "chemical_composition": {
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      "SiO2": 70.69,
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      "MgO": 0.79,
      "CaO": 9.6,
      "P2O5": 0.44,
      "TiO2": 0.03,
      "Fe2O3": 1.2,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "cornwall stone",
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      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 3.0
      },
      {
        "material": "bone ash",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "141802",
    "chemical_composition": {
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      "SiO2": 33.38,
      "Al2O3": 9.44,
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      "MgO": 0.03,
      "CaO": 4.18,
      "BaO": 38.92,
      "TiO2": 1.64,
      "Fe2O3": 0.3,
      "ZnO": 6.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 43.91
      },
      {
        "material": "custer feldspar",
        "amount": 36.97
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.11
      },
      {
        "material": "whiting",
        "amount": 6.3
      },
      {
        "material": "zinc oxide",
        "amount": 5.71
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "142073",
    "chemical_composition": {
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      "SiO2": 68.42,
      "Al2O3": 8.83,
      "Na2O": 1.34,
      "K2O": 4.18,
      "MgO": 4.35,
      "CaO": 9.99,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.17,
      "CoO": 2.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.73
      },
      {
        "material": "silica",
        "amount": 26.46
      },
      {
        "material": "whiting",
        "amount": 16.4
      },
      {
        "material": "talc",
        "amount": 12.58
      },
      {
        "material": "bentonite",
        "amount": 2.92
      },
      {
        "material": "ep kaolin",
        "amount": 2.92
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "142077",
    "chemical_composition": {
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      "SiO2": 62.67,
      "Al2O3": 9.71,
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      "K2O": 5.32,
      "MgO": 0.07,
      "CaO": 8.5,
      "Fe2O3": 0.41,
      "ZnO": 11.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.02
      },
      {
        "material": "silica",
        "amount": 23.47
      },
      {
        "material": "whiting",
        "amount": 14.29
      },
      {
        "material": "zinc oxide",
        "amount": 11.22
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.5
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 103.75
      }
    ]
  },
  {
    "id": "142224",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.88,
      "Al2O3": 17.97,
      "Na2O": 0.39,
      "K2O": 5.91,
      "MgO": 5.15,
      "CaO": 9.27,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 35.0
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "142240",
    "chemical_composition": {
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      "SiO2": 41.33,
      "Al2O3": 7.87,
      "B2O3": 3.05,
      "Na2O": 1.81,
      "K2O": 4.29,
      "MgO": 4.2,
      "CaO": 7.57,
      "BaO": 17.69,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "ZrO2": 9.18,
      "Fe2O3": 2.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 43.02
      },
      {
        "material": "barium carbonate",
        "amount": 23.26
      },
      {
        "material": "dolomite",
        "amount": 17.44
      },
      {
        "material": "gerstley borate",
        "amount": 11.63
      },
      {
        "material": "silica",
        "amount": 4.65
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 13.95
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 119.95
      }
    ]
  },
  {
    "id": "142662",
    "chemical_composition": {
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      "SiO2": 51.02,
      "Al2O3": 11.53,
      "B2O3": 0.87,
      "Na2O": 1.77,
      "K2O": 4.52,
      "MgO": 0.03,
      "CaO": 1.05,
      "BaO": 26.23,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.15,
      "CuO": 0.68,
      "SnO2": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "barium carbonate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "142676",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.05,
      "Al2O3": 17.3,
      "B2O3": 1.9,
      "Na2O": 2.03,
      "K2O": 2.28,
      "MgO": 2.78,
      "CaO": 12.13,
      "P2O5": 0.01,
      "TiO2": 0.4,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 45.17
      },
      {
        "material": "georgia kaolin",
        "amount": 19.64
      },
      {
        "material": "whiting",
        "amount": 9.81
      },
      {
        "material": "dolomite",
        "amount": 9.63
      },
      {
        "material": "silica",
        "amount": 9.63
      },
      {
        "material": "gerstley borate",
        "amount": 6.12
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "142678",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.19,
      "Al2O3": 13.66,
      "Li2O": 0.48,
      "Na2O": 5.03,
      "K2O": 2.36,
      "MgO": 0.04,
      "CaO": 0.23,
      "BaO": 29.94,
      "TiO2": 1.23,
      "FeO": 1.0,
      "Fe2O3": 0.12,
      "CuO": 2.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.58
      },
      {
        "material": "barium carbonate",
        "amount": 36.52
      },
      {
        "material": "silica",
        "amount": 9.54
      },
      {
        "material": "tennessee ball clay",
        "amount": 7.25
      },
      {
        "material": "lithium carbonate",
        "amount": 1.11
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "ilmenite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "142681",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.64,
      "Al2O3": 9.69,
      "Na2O": 2.88,
      "K2O": 1.36,
      "MgO": 0.08,
      "CaO": 11.42,
      "TiO2": 19.59,
      "ZrO2": 2.07,
      "Fe2O3": 2.32,
      "ZnO": 6.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 26.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 28.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "zircopax",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 143.0
      }
    ]
  },
  {
    "id": "142806",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.81,
      "Al2O3": 18.15,
      "Na2O": 0.64,
      "K2O": 2.76,
      "MgO": 7.88,
      "CaO": 16.21,
      "TiO2": 1.14,
      "Fe2O3": 0.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 32.0
      },
      {
        "material": "whiting",
        "amount": 23.0
      },
      {
        "material": "custer feldspar",
        "amount": 16.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "142807",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.57,
      "Al2O3": 13.82,
      "Li2O": 0.05,
      "Na2O": 0.67,
      "K2O": 2.67,
      "MgO": 0.6,
      "CaO": 16.45,
      "BaO": 0.84,
      "TiO2": 2.17,
      "Fe2O3": 0.21,
      "CuO": 6.95,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 27.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 1.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.0
      },
      {
        "material": "petalite testing",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "142813",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.28,
      "Al2O3": 22.07,
      "Na2O": 14.4,
      "K2O": 3.52,
      "MgO": 0.19,
      "CaO": 0.81,
      "TiO2": 0.3,
      "Fe2O3": 0.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 22.0
      },
      {
        "material": "soda ash",
        "amount": 15.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "143810",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 9.67,
      "Al2O3": 0.51,
      "B2O3": 0.37,
      "Na2O": 2.11,
      "K2O": 0.33,
      "CaO": 0.87,
      "MnO": 68.3,
      "CuO": 17.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese carbonate",
        "amount": 80.0
      },
      {
        "material": "copper carbonate",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "143833",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 73.82,
      "Al2O3": 5.73,
      "Li2O": 13.78,
      "Na2O": 2.15,
      "K2O": 0.06,
      "MgO": 0.04,
      "CaO": 0.75,
      "P2O5": 0.58,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "CuO": 2.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 55.14
      },
      {
        "material": "lithium carbonate",
        "amount": 28.1
      },
      {
        "material": "ep kaolin",
        "amount": 12.2
      },
      {
        "material": "soda ash",
        "amount": 3.5
      },
      {
        "material": "bone ash",
        "amount": 1.06
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.7
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.7
      }
    ]
  },
  {
    "id": "143837",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.88,
      "Al2O3": 10.66,
      "B2O3": 9.61,
      "Li2O": 3.04,
      "Na2O": 4.32,
      "K2O": 0.09,
      "MgO": 0.05,
      "CaO": 13.83,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 1.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 39.84
      },
      {
        "material": "silica",
        "amount": 22.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.61
      },
      {
        "material": "whiting",
        "amount": 9.32
      },
      {
        "material": "lithium carbonate",
        "amount": 7.04
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "yellow ochre",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.01
      }
    ]
  },
  {
    "id": "143838",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.72,
      "Al2O3": 5.27,
      "B2O3": 3.46,
      "Na2O": 11.14,
      "K2O": 1.74,
      "MgO": 0.21,
      "CaO": 5.65,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 2.87,
      "CuO": 1.96,
      "ZnO": 3.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 7.0
      },
      {
        "material": "gerstley borate",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "143846",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.26,
      "Al2O3": 12.65,
      "B2O3": 12.01,
      "Li2O": 1.77,
      "Na2O": 5.42,
      "K2O": 1.42,
      "MgO": 1.0,
      "CaO": 10.13,
      "P2O5": 0.06,
      "TiO2": 0.07,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 28.85
      },
      {
        "material": "gerstley borate",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.23
      },
      {
        "material": "silica",
        "amount": 13.46
      },
      {
        "material": "ep kaolin",
        "amount": 9.62
      },
      {
        "material": "lithium carbonate",
        "amount": 3.85
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "144067",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 19.62,
      "Al2O3": 6.16,
      "B2O3": 5.81,
      "Li2O": 45.38,
      "Na2O": 3.55,
      "K2O": 1.04,
      "MgO": 0.48,
      "CaO": 0.26,
      "BaO": 12.36,
      "Fe2O3": 0.85,
      "CuO": 4.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "lithium carbonate",
        "amount": 63.64
      },
      {
        "material": "bentonite",
        "amount": 13.64
      },
      {
        "material": "barium carbonate",
        "amount": 9.09
      },
      {
        "material": "borax",
        "amount": 9.09
      },
      {
        "material": "custer feldspar",
        "amount": 4.55
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
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    "id": "144203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.05,
      "Al2O3": 16.93,
      "B2O3": 6.59,
      "Na2O": 5.71,
      "K2O": 1.76,
      "MgO": 1.79,
      "CaO": 12.05,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "ZnO": 1.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 28.82
      },
      {
        "material": "ferro frit 3124",
        "amount": 25.33
      },
      {
        "material": "ep kaolin",
        "amount": 13.1
      },
      {
        "material": "ferro frit 3195",
        "amount": 11.35
      },
      {
        "material": "dolomite",
        "amount": 7.42
      },
      {
        "material": "whiting",
        "amount": 5.68
      },
      {
        "material": "silica",
        "amount": 5.24
      },
      {
        "material": "zinc oxide",
        "amount": 1.75
      },
      {
        "material": "wollastonite",
        "amount": 1.31
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cmc gum",
        "amount": 0.75
      },
      {
        "material": "veegum t",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "144206",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.88,
      "Al2O3": 14.41,
      "B2O3": 11.71,
      "Na2O": 4.75,
      "K2O": 0.49,
      "MgO": 0.02,
      "CaO": 12.49,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 64.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.6
      },
      {
        "material": "ferro frit 3195",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 4.2
      },
      {
        "material": "wollastonite",
        "amount": 4.2
      },
      {
        "material": "total base recipe",
        "amount": 103.0
      },
      {
        "material": "cmc gum",
        "amount": 0.75
      },
      {
        "material": "veegum t",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 104.5
      }
    ]
  },
  {
    "id": "144213",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.28,
      "Al2O3": 28.56,
      "B2O3": 1.76,
      "Na2O": 4.87,
      "K2O": 1.42,
      "MgO": 0.31,
      "CaO": 2.43,
      "P2O5": 0.05,
      "TiO2": 0.63,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 25.0
      },
      {
        "material": "calcined kaolin",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "ap green fireclay",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 13.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
  {
    "id": "144220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.88,
      "Al2O3": 4.73,
      "B2O3": 3.34,
      "Na2O": 16.64,
      "K2O": 1.77,
      "MgO": 0.19,
      "CaO": 5.64,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.06,
      "CuO": 2.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 70.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "144260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.61,
      "Al2O3": 14.65,
      "B2O3": 16.57,
      "Na2O": 4.18,
      "K2O": 0.05,
      "MgO": 0.02,
      "CaO": 8.35,
      "P2O5": 0.04,
      "TiO2": 13.41,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 82.35
      },
      {
        "material": "ep kaolin",
        "amount": 17.65
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "144285",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 18.91,
      "Al2O3": 1.09,
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      "K2O": 2.89,
      "MgO": 0.69,
      "CaO": 45.78,
      "Fe2O3": 1.09,
      "CuO": 29.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 51.78
      },
      {
        "material": "copper carbonate",
        "amount": 29.42
      },
      {
        "material": "silica",
        "amount": 9.65
      },
      {
        "material": "minspar 200",
        "amount": 3.82
      },
      {
        "material": "pearl ash",
        "amount": 2.53
      },
      {
        "material": "dolomite",
        "amount": 2.06
      },
      {
        "material": "red iron oxide",
        "amount": 0.74
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144287",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 18.32,
      "Al2O3": 0.52,
      "Na2O": 1.15,
      "MgO": 0.63,
      "CaO": 52.43,
      "Fe2O3": 5.05,
      "CuO": 21.9,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 87.28
      },
      {
        "material": "copper carbonate",
        "amount": 32.3
      },
      {
        "material": "silica",
        "amount": 16.81
      },
      {
        "material": "red iron oxide",
        "amount": 5.05
      },
      {
        "material": "dolomite",
        "amount": 2.73
      },
      {
        "material": "soda ash",
        "amount": 2.18
      },
      {
        "material": "kaolin",
        "amount": 1.24
      },
      {
        "material": "total",
        "amount": 147.59
      }
    ]
  },
  {
    "id": "144385",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.1,
      "Al2O3": 13.68,
      "B2O3": 11.28,
      "Na2O": 5.2,
      "K2O": 3.26,
      "MgO": 3.19,
      "CaO": 10.87,
      "P2O5": 0.09,
      "TiO2": 0.18,
      "Fe2O3": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 36.08
      },
      {
        "material": "gerstley borate",
        "amount": 36.08
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.62
      },
      {
        "material": "plastic vitrox",
        "amount": 7.22
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "144588",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.89,
      "Al2O3": 8.12,
      "B2O3": 16.4,
      "Na2O": 8.43,
      "K2O": 0.55,
      "MgO": 0.05,
      "CaO": 14.12,
      "SrO": 7.22,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 70.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "144598",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.96,
      "Al2O3": 9.51,
      "B2O3": 12.76,
      "Na2O": 6.68,
      "K2O": 0.44,
      "MgO": 1.31,
      "CaO": 9.27,
      "P2O5": 0.03,
      "TiO2": 3.93,
      "Fe2O3": 2.04,
      "CoO": 0.31,
      "ZnO": 3.89,
      "SnO2": 3.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 30.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.5
      }
    ]
  },
  {
    "id": "144600",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.17,
      "Al2O3": 33.97,
      "Na2O": 0.34,
      "K2O": 0.45,
      "MgO": 0.45,
      "CaO": 0.56,
      "TiO2": 1.81,
      "Fe2O3": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tennessee ball clay",
        "amount": 100.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144601",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 30.38,
      "Al2O3": 13.61,
      "B2O3": 27.1,
      "Na2O": 4.07,
      "K2O": 0.52,
      "MgO": 3.57,
      "CaO": 19.68,
      "P2O5": 0.19,
      "TiO2": 0.23,
      "Fe2O3": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 75.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144602",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.21,
      "Al2O3": 19.99,
      "B2O3": 2.96,
      "Na2O": 1.45,
      "K2O": 0.51,
      "MgO": 0.14,
      "CaO": 3.16,
      "P2O5": 0.07,
      "TiO2": 0.43,
      "ZrO2": 6.57,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 28.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "144605",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.5,
      "Al2O3": 5.41,
      "B2O3": 5.19,
      "Na2O": 11.54,
      "K2O": 2.36,
      "MgO": 0.7,
      "CaO": 6.96,
      "P2O5": 0.04,
      "TiO2": 0.17,
      "Fe2O3": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 70.0
      },
      {
        "material": "redart",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "144610",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.11,
      "Al2O3": 13.91,
      "B2O3": 13.21,
      "Li2O": 1.94,
      "Na2O": 5.97,
      "K2O": 1.56,
      "MgO": 1.1,
      "CaO": 17.82,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 30.0
      },
      {
        "material": "gerstley borate",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144612",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.79,
      "Al2O3": 27.84,
      "B2O3": 3.02,
      "Na2O": 2.21,
      "K2O": 1.18,
      "MgO": 0.29,
      "CaO": 3.31,
      "P2O5": 0.06,
      "TiO2": 0.48,
      "Fe2O3": 0.8,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144613",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.2,
      "Al2O3": 12.95,
      "B2O3": 17.88,
      "Na2O": 5.45,
      "K2O": 0.61,
      "MgO": 0.0,
      "CaO": 13.87,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 76.0
      },
      {
        "material": "minspar 200",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "144623",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.54,
      "Al2O3": 22.45,
      "B2O3": 3.93,
      "Na2O": 2.36,
      "K2O": 0.87,
      "MgO": 0.18,
      "CaO": 4.19,
      "P2O5": 0.05,
      "TiO2": 0.56,
      "ZrO2": 10.27,
      "Fe2O3": 0.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kentucky om #4 ball clay",
        "amount": 36.99
      },
      {
        "material": "ferro frit 3124",
        "amount": 26.43
      },
      {
        "material": "ep kaolin",
        "amount": 18.55
      },
      {
        "material": "zircopax",
        "amount": 14.14
      },
      {
        "material": "nepheline syenite a270",
        "amount": 3.89
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "146480",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.05,
      "Al2O3": 14.32,
      "Na2O": 2.37,
      "K2O": 2.6,
      "MgO": 0.59,
      "CaO": 12.61,
      "TiO2": 0.01,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 28.57
      },
      {
        "material": "silica",
        "amount": 25.6
      },
      {
        "material": "whiting",
        "amount": 17.72
      },
      {
        "material": "grolleg kaolin",
        "amount": 16.9
      },
      {
        "material": "mahavir potash feldspar",
        "amount": 7.19
      },
      {
        "material": "wollastonite",
        "amount": 1.96
      },
      {
        "material": "talc",
        "amount": 1.48
      },
      {
        "material": "nepheline syenite a270",
        "amount": 0.3
      },
      {
        "material": "red iron oxide",
        "amount": 0.29
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 53.42,
      "Al2O3": 19.54,
      "B2O3": 5.21,
      "Na2O": 2.8,
      "K2O": 4.86,
      "MgO": 4.12,
      "CaO": 5.51,
      "SrO": 4.21,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 41.91
      },
      {
        "material": "gerstley borate",
        "amount": 17.17
      },
      {
        "material": "calcined kaolin",
        "amount": 13.18
      },
      {
        "material": "ep kaolin",
        "amount": 10.48
      },
      {
        "material": "talc",
        "amount": 6.35
      },
      {
        "material": "strontium carbonate",
        "amount": 5.3
      },
      {
        "material": "dolomite",
        "amount": 4.57
      },
      {
        "material": "soda ash",
        "amount": 1.04
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "154293",
    "chemical_composition": {
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      "SiO2": 40.75,
      "Al2O3": 6.6,
      "Na2O": 3.72,
      "K2O": 14.26,
      "MgO": 3.61,
      "CaO": 18.78,
      "P2O5": 7.33,
      "TiO2": 0.13,
      "Fe2O3": 4.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wood ash",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 12.5
      },
      {
        "material": "feldspar",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 12.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 46.37,
      "Al2O3": 9.4,
      "Na2O": 0.49,
      "K2O": 4.25,
      "MgO": 3.47,
      "CaO": 32.51,
      "P2O5": 1.38,
      "TiO2": 0.16,
      "MnO2": 0.56,
      "Fe2O3": 1.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 42.0
      },
      {
        "material": "ball clay",
        "amount": 12.5
      },
      {
        "material": "feldspar",
        "amount": 12.5
      },
      {
        "material": "silica",
        "amount": 12.5
      },
      {
        "material": "potash feldspar (zheng yi sk7)",
        "amount": 11.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.5
      },
      {
        "material": "bone ash",
        "amount": 2.5
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "157312",
    "chemical_composition": {
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      "SiO2": 60.66,
      "Al2O3": 11.63,
      "B2O3": 2.22,
      "Na2O": 1.59,
      "K2O": 2.33,
      "MgO": 2.03,
      "CaO": 8.5,
      "BaO": 0.12,
      "P2O5": 0.22,
      "TiO2": 1.08,
      "MnO": 0.0,
      "MnO2": 0.25,
      "Fe2O3": 9.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 111.3
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "166777",
    "chemical_composition": {
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      "SiO2": 60.22,
      "Al2O3": 13.58,
      "B2O3": 3.77,
      "Li2O": 1.32,
      "Na2O": 2.11,
      "K2O": 1.14,
      "MgO": 2.27,
      "CaO": 6.87,
      "P2O5": 0.06,
      "TiO2": 0.15,
      "Cr2O3": 1.05,
      "MnO": 1.29,
      "Fe2O3": 4.46,
      "CoO": 0.66,
      "ZnO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.03
      },
      {
        "material": "spodumene",
        "amount": 15.73
      },
      {
        "material": "nepheline syenite a270",
        "amount": 13.86
      },
      {
        "material": "gerstley borate",
        "amount": 13.45
      },
      {
        "material": "ep kaolin",
        "amount": 10.83
      },
      {
        "material": "redart",
        "amount": 7.93
      },
      {
        "material": "dolomite",
        "amount": 7.11
      },
      {
        "material": "whiting",
        "amount": 3.03
      },
      {
        "material": "zinc oxide",
        "amount": 1.03
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.75
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.75
      }
    ]
  },
  {
    "id": "168303",
    "chemical_composition": {
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      "SiO2": 57.47,
      "Al2O3": 16.12,
      "B2O3": 4.9,
      "Na2O": 2.57,
      "K2O": 4.57,
      "MgO": 3.87,
      "CaO": 5.18,
      "SrO": 4.04,
      "P2O5": 0.04,
      "TiO2": 0.95,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.9
      },
      {
        "material": "gerstley borate",
        "amount": 18.4
      },
      {
        "material": "calcined kaolin",
        "amount": 10.21
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 6.8
      },
      {
        "material": "strontium carbonate",
        "amount": 5.79
      },
      {
        "material": "dolomite",
        "amount": 4.9
      },
      {
        "material": "soda ash",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "stain",
        "amount": 3.0
      },
      {
        "material": "rutile",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "170709",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.24,
      "Al2O3": 6.08,
      "B2O3": 5.4,
      "Na2O": 6.29,
      "K2O": 1.62,
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      "CaO": 3.18,
      "SrO": 8.01,
      "BaO": 0.06,
      "TiO2": 0.05,
      "MnO": 0.0,
      "Fe2O3": 19.21,
      "F": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita cc 202",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "strontium carbonate",
        "amount": 13.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 23.0
      },
      {
        "material": "total",
        "amount": 123.0
      }
    ]
  },
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    "id": "171299",
    "chemical_composition": {
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      "SiO2": 55.89,
      "Al2O3": 9.96,
      "B2O3": 4.53,
      "Na2O": 5.22,
      "K2O": 0.42,
      "MgO": 0.04,
      "CaO": 19.59,
      "TiO2": 1.67,
      "Cr2O3": 0.22,
      "MnO": 0.01,
      "Fe2O3": 0.24,
      "SnO2": 2.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "171330",
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      "Na2O": 4.24,
      "K2O": 0.34,
      "MgO": 0.03,
      "CaO": 15.91,
      "TiO2": 1.36,
      "Cr2O3": 0.18,
      "MnO": 0.01,
      "Fe2O3": 0.19,
      "SnO2": 1.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "total base recipe",
        "amount": 121.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 124.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "171808",
    "chemical_composition": {
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      "SiO2": 49.82,
      "Al2O3": 19.21,
      "B2O3": 3.26,
      "Li2O": 0.88,
      "Na2O": 3.7,
      "K2O": 1.58,
      "MgO": 3.1,
      "CaO": 4.2,
      "BaO": 14.01,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.77
      },
      {
        "material": "barium carbonate",
        "amount": 16.26
      },
      {
        "material": "gerstley borate",
        "amount": 10.97
      },
      {
        "material": "calcined kaolin",
        "amount": 10.08
      },
      {
        "material": "spodumene",
        "amount": 9.94
      },
      {
        "material": "ep kaolin",
        "amount": 8.83
      },
      {
        "material": "talc",
        "amount": 7.52
      },
      {
        "material": "silica",
        "amount": 5.88
      },
      {
        "material": "whiting",
        "amount": 2.74
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "172820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 11.56,
      "B2O3": 3.09,
      "Na2O": 1.87,
      "K2O": 1.88,
      "MgO": 2.02,
      "CaO": 8.37,
      "BaO": 0.13,
      "P2O5": 0.44,
      "TiO2": 1.08,
      "MnO": 0.0,
      "MnO2": 0.25,
      "Fe2O3": 9.3,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 21.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "talc",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 111.3
      },
      {
        "material": "specific gravity",
        "amount": 142.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "172827",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.74,
      "Al2O3": 11.31,
      "B2O3": 3.95,
      "Na2O": 2.15,
      "K2O": 1.43,
      "MgO": 2.01,
      "CaO": 8.26,
      "BaO": 0.13,
      "P2O5": 0.44,
      "TiO2": 1.08,
      "MnO": 0.0,
      "MnO2": 0.25,
      "Fe2O3": 9.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 22.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 111.3
      },
      {
        "material": "specific gravity",
        "amount": 143.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "178189",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.55,
      "Al2O3": 8.35,
      "B2O3": 3.78,
      "Na2O": 2.51,
      "K2O": 3.37,
      "MgO": 0.04,
      "CaO": 16.25,
      "TiO2": 1.63,
      "Cr2O3": 0.21,
      "Fe2O3": 0.16,
      "SnO2": 2.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.24
      },
      {
        "material": "whiting",
        "amount": 21.48
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 15.47
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "178198",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.19,
      "Al2O3": 9.4,
      "B2O3": 4.27,
      "Na2O": 4.92,
      "K2O": 0.4,
      "MgO": 0.04,
      "CaO": 18.48,
      "TiO2": 1.66,
      "Cr2O3": 0.22,
      "MnO": 0.01,
      "Fe2O3": 0.22,
      "SnO2": 2.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 23.75
      },
      {
        "material": "silica",
        "amount": 17.35
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 17.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "178258",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.61,
      "Al2O3": 8.81,
      "B2O3": 4.0,
      "Na2O": 4.61,
      "K2O": 0.37,
      "MgO": 0.04,
      "CaO": 17.31,
      "TiO2": 1.65,
      "Cr2O3": 0.22,
      "MnO": 0.01,
      "Fe2O3": 0.21,
      "SnO2": 2.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 22.42
      },
      {
        "material": "silica",
        "amount": 21.97
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 16.14
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "178259",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.08,
      "Al2O3": 8.44,
      "B2O3": 3.83,
      "Na2O": 4.42,
      "K2O": 0.36,
      "MgO": 0.04,
      "CaO": 16.6,
      "TiO2": 1.64,
      "Cr2O3": 0.22,
      "MnO": 0.01,
      "Fe2O3": 0.2,
      "SnO2": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 24.84
      },
      {
        "material": "whiting",
        "amount": 21.6
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 15.55
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 103.7
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "178342",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.0,
      "Al2O3": 20.53,
      "B2O3": 0.48,
      "Na2O": 1.78,
      "K2O": 5.62,
      "MgO": 6.03,
      "CaO": 11.87,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Cr2O3": 0.36,
      "Fe2O3": 0.33,
      "CoO": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.4
      },
      {
        "material": "ep kaolin",
        "amount": 24.7
      },
      {
        "material": "dolomite",
        "amount": 22.8
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "gerstley borate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.05
      }
    ]
  },
  {
    "id": "183314",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.48,
      "Al2O3": 16.89,
      "B2O3": 2.07,
      "Na2O": 2.49,
      "K2O": 5.27,
      "MgO": 0.02,
      "CaO": 7.91,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 6.56,
      "CoO": 1.21,
      "ZnO": 6.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 51.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "183316",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.31,
      "Al2O3": 18.38,
      "B2O3": 1.92,
      "Na2O": 2.33,
      "K2O": 4.96,
      "MgO": 0.02,
      "CaO": 7.18,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 6.57,
      "CoO": 1.21,
      "ZnO": 5.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 48.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "183317",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.08,
      "Al2O3": 17.98,
      "B2O3": 2.19,
      "Na2O": 3.9,
      "K2O": 2.98,
      "MgO": 0.03,
      "CaO": 8.0,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 6.53,
      "CoO": 1.21,
      "ZnO": 6.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.0
      },
      {
        "material": "custer feldspar",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.7
      },
      {
        "material": "cobalt oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "183318",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.7,
      "Al2O3": 17.48,
      "B2O3": 2.13,
      "Na2O": 3.79,
      "K2O": 2.9,
      "MgO": 0.03,
      "CaO": 7.78,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 8.47,
      "CoO": 1.81,
      "ZnO": 6.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.0
      },
      {
        "material": "custer feldspar",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "silica",
        "amount": 6.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "183319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.46,
      "Al2O3": 17.73,
      "B2O3": 2.01,
      "Na2O": 2.28,
      "K2O": 4.68,
      "MgO": 0.02,
      "CaO": 7.7,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 8.54,
      "CoO": 1.82,
      "ZnO": 5.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.24
      },
      {
        "material": "ep kaolin",
        "amount": 18.11
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.03
      },
      {
        "material": "whiting",
        "amount": 10.02
      },
      {
        "material": "zinc oxide",
        "amount": 5.78
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 4.82
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "183320",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.43,
      "Al2O3": 17.48,
      "B2O3": 2.79,
      "Na2O": 2.5,
      "K2O": 4.26,
      "MgO": 0.02,
      "CaO": 7.34,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 8.45,
      "CoO": 1.8,
      "ZnO": 5.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "183321",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.83,
      "Al2O3": 17.2,
      "B2O3": 3.07,
      "Na2O": 3.15,
      "K2O": 3.91,
      "MgO": 0.02,
      "CaO": 8.41,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 8.42,
      "CoO": 1.8,
      "ZnO": 5.06,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.74
      },
      {
        "material": "ferro frit 3124",
        "amount": 23.16
      },
      {
        "material": "ep kaolin",
        "amount": 12.63
      },
      {
        "material": "whiting",
        "amount": 9.47
      },
      {
        "material": "nepheline syenite a270",
        "amount": 7.37
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 7.37
      },
      {
        "material": "zinc oxide",
        "amount": 5.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "183322",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.09,
      "Al2O3": 17.48,
      "B2O3": 3.74,
      "Na2O": 3.31,
      "K2O": 3.52,
      "MgO": 0.03,
      "CaO": 8.66,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 8.43,
      "CoO": 1.79,
      "ZnO": 4.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 31.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 9.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 7.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "185365",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.2,
      "Al2O3": 14.98,
      "B2O3": 3.28,
      "Li2O": 0.9,
      "Na2O": 5.31,
      "K2O": 1.96,
      "MgO": 0.18,
      "CaO": 3.16,
      "SrO": 21.02,
      "TiO2": 0.23,
      "Fe2O3": 0.36,
      "CuO": 2.42,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 35.05
      },
      {
        "material": "strontium carbonate",
        "amount": 27.84
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 17.53
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.4
      },
      {
        "material": "silica",
        "amount": 4.12
      },
      {
        "material": "lithium carbonate",
        "amount": 2.06
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "185366",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.5,
      "Al2O3": 16.25,
      "B2O3": 2.34,
      "Li2O": 1.4,
      "Na2O": 3.86,
      "K2O": 1.4,
      "MgO": 0.05,
      "CaO": 2.25,
      "SrO": 20.05,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "CuO": 2.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 25.51
      },
      {
        "material": "strontium carbonate",
        "amount": 25.51
      },
      {
        "material": "ep kaolin",
        "amount": 22.45
      },
      {
        "material": "silica",
        "amount": 14.29
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.18
      },
      {
        "material": "lithium carbonate",
        "amount": 3.06
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185367",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.43,
      "Al2O3": 15.54,
      "B2O3": 1.87,
      "Li2O": 1.38,
      "Na2O": 3.64,
      "K2O": 1.46,
      "MgO": 0.05,
      "CaO": 2.15,
      "SrO": 24.62,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "CuO": 2.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185369",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.82,
      "Al2O3": 15.22,
      "B2O3": 1.71,
      "Li2O": 1.38,
      "Na2O": 3.6,
      "K2O": 1.54,
      "MgO": 0.09,
      "CaO": 2.01,
      "SrO": 24.64,
      "P2O5": 0.03,
      "TiO2": 0.18,
      "Fe2O3": 0.24,
      "CuO": 2.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185370",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.89,
      "Al2O3": 15.55,
      "B2O3": 1.4,
      "Li2O": 1.38,
      "Na2O": 2.98,
      "K2O": 1.23,
      "MgO": 0.04,
      "CaO": 1.63,
      "SrO": 23.06,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "CuO": 2.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.0
      },
      {
        "material": "nepheline syenite",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 9.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185371",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.63,
      "Al2O3": 16.7,
      "B2O3": 2.44,
      "Li2O": 1.35,
      "Na2O": 2.97,
      "K2O": 1.08,
      "MgO": 0.05,
      "CaO": 2.67,
      "SrO": 20.19,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.23,
      "CuO": 2.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.75,
      "Al2O3": 17.13,
      "B2O3": 2.6,
      "Li2O": 1.36,
      "Na2O": 3.16,
      "K2O": 1.15,
      "MgO": 0.05,
      "CaO": 2.85,
      "SrO": 21.04,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.24,
      "CuO": 2.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 27.0
      },
      {
        "material": "nepheline syenite",
        "amount": 18.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185375",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.19,
      "Al2O3": 17.71,
      "B2O3": 2.72,
      "Li2O": 1.34,
      "Na2O": 2.67,
      "K2O": 0.91,
      "MgO": 0.05,
      "CaO": 2.94,
      "SrO": 18.51,
      "P2O5": 0.09,
      "TiO2": 0.13,
      "Fe2O3": 0.27,
      "CuO": 2.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "nepheline syenite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 13.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185376",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.55,
      "Al2O3": 17.29,
      "B2O3": 3.0,
      "Li2O": 0.89,
      "Na2O": 3.52,
      "K2O": 1.24,
      "MgO": 0.05,
      "CaO": 3.27,
      "SrO": 18.34,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.23,
      "CuO": 2.45,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 24.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 10.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "185377",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.01,
      "Al2O3": 17.51,
      "B2O3": 2.96,
      "Li2O": 0.88,
      "Na2O": 3.48,
      "K2O": 1.23,
      "MgO": 0.05,
      "CaO": 3.23,
      "SrO": 18.12,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.23,
      "CuO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 23.65
      },
      {
        "material": "ferro frit 3124",
        "amount": 19.7
      },
      {
        "material": "nepheline syenite",
        "amount": 19.7
      },
      {
        "material": "ep kaolin",
        "amount": 13.3
      },
      {
        "material": "silica",
        "amount": 11.33
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 10.34
      },
      {
        "material": "lithium carbonate",
        "amount": 1.98
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "185389",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.95,
      "Al2O3": 17.47,
      "B2O3": 3.61,
      "Na2O": 3.28,
      "K2O": 1.03,
      "MgO": 0.05,
      "CaO": 3.86,
      "SrO": 19.2,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.24,
      "CuO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 25.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "185392",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.54,
      "Al2O3": 16.55,
      "B2O3": 3.42,
      "Na2O": 3.11,
      "K2O": 0.98,
      "MgO": 0.04,
      "CaO": 3.66,
      "SrO": 18.18,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.23,
      "CuO": 2.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 23.81
      },
      {
        "material": "ferro frit 3124",
        "amount": 22.86
      },
      {
        "material": "ep kaolin",
        "amount": 19.05
      },
      {
        "material": "nepheline syenite",
        "amount": 14.29
      },
      {
        "material": "silica",
        "amount": 14.29
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.71
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.01
      }
    ]
  },
  {
    "id": "185395",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.66,
      "Al2O3": 15.82,
      "B2O3": 3.59,
      "Na2O": 2.78,
      "K2O": 0.8,
      "MgO": 0.04,
      "CaO": 3.8,
      "SrO": 20.98,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.23,
      "CuO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 27.27
      },
      {
        "material": "ferro frit 3124",
        "amount": 23.78
      },
      {
        "material": "ep kaolin",
        "amount": 16.78
      },
      {
        "material": "silica",
        "amount": 13.99
      },
      {
        "material": "nepheline syenite",
        "amount": 10.49
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 7.69
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "185398",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.13,
      "Al2O3": 15.94,
      "B2O3": 3.53,
      "Na2O": 3.08,
      "K2O": 0.95,
      "MgO": 0.04,
      "CaO": 3.76,
      "SrO": 20.07,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "CuO": 2.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 26.13
      },
      {
        "material": "ferro frit 3124",
        "amount": 23.42
      },
      {
        "material": "ep kaolin",
        "amount": 18.02
      },
      {
        "material": "nepheline syenite",
        "amount": 13.51
      },
      {
        "material": "silica",
        "amount": 13.51
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.41
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "188729",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.06,
      "Al2O3": 12.85,
      "B2O3": 3.69,
      "Na2O": 3.25,
      "K2O": 0.97,
      "MgO": 0.02,
      "CaO": 12.22,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 6.68,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 27.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "194130",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.38,
      "Al2O3": 12.42,
      "B2O3": 3.83,
      "Na2O": 4.08,
      "K2O": 2.0,
      "MgO": 0.54,
      "CaO": 8.38,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.21,
      "ZnO": 7.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 32.6
      },
      {
        "material": "silica",
        "amount": 29.4
      },
      {
        "material": "gerstley borate",
        "amount": 13.0
      },
      {
        "material": "kaolin e",
        "amount": 9.8
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "zinc oxide",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "194147",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.8,
      "Al2O3": 11.95,
      "B2O3": 1.19,
      "Na2O": 4.25,
      "K2O": 1.63,
      "MgO": 0.05,
      "CaO": 0.37,
      "SrO": 0.01,
      "BaO": 0.34,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.95,
      "FeO": 0.0,
      "Fe2O3": 0.11,
      "ZnO": 19.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 33.98
      },
      {
        "material": "silica",
        "amount": 31.94
      },
      {
        "material": "zinc oxide",
        "amount": 18.7
      },
      {
        "material": "ep kaolin",
        "amount": 10.19
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 4.26
      },
      {
        "material": "chrome oxide",
        "amount": 0.93
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "195847",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.31,
      "Al2O3": 9.11,
      "B2O3": 4.91,
      "Na2O": 3.29,
      "K2O": 1.3,
      "MgO": 0.68,
      "CaO": 3.75,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 1.06,
      "Fe2O3": 0.16,
      "ZnO": 15.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 36.24
      },
      {
        "material": "nepheline syenite",
        "amount": 24.62
      },
      {
        "material": "gerstley borate",
        "amount": 17.35
      },
      {
        "material": "zinc oxide",
        "amount": 14.53
      },
      {
        "material": "ep kaolin",
        "amount": 7.26
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "200008",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.03,
      "Al2O3": 10.24,
      "B2O3": 4.12,
      "Li2O": 1.31,
      "Na2O": 3.18,
      "K2O": 2.72,
      "MgO": 3.09,
      "CaO": 4.74,
      "SrO": 0.02,
      "BaO": 1.16,
      "P2O5": 0.14,
      "TiO2": 0.72,
      "MnO": 1.32,
      "FeO": 4.17,
      "Fe2O3": 10.15,
      "ZnO": 0.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 58.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 14.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "talc",
        "amount": 6.0
      },
      {
        "material": "lithium carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "200311",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.2,
      "Al2O3": 12.49,
      "B2O3": 2.65,
      "Na2O": 4.0,
      "K2O": 2.44,
      "MgO": 0.02,
      "CaO": 12.27,
      "SrO": 0.01,
      "BaO": 0.74,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.03,
      "FeO": 0.01,
      "Fe2O3": 0.18,
      "ZnO": 0.57,
      "SnO2": 4.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 26.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 9.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.03
      },
      {
        "material": "total base recipe",
        "amount": 101.03
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 105.03
      }
    ]
  },
  {
    "id": "200312",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.49,
      "Al2O3": 12.55,
      "B2O3": 2.74,
      "Na2O": 2.74,
      "K2O": 2.71,
      "MgO": 0.37,
      "CaO": 13.67,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Cr2O3": 0.31,
      "Fe2O3": 0.21,
      "SnO2": 5.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 105.3
      }
    ]
  },
  {
    "id": "200569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.9,
      "Al2O3": 10.62,
      "B2O3": 2.88,
      "Na2O": 5.06,
      "K2O": 1.75,
      "MgO": 0.04,
      "CaO": 13.66,
      "SrO": 0.02,
      "BaO": 0.81,
      "TiO2": 2.1,
      "Cr2O3": 0.31,
      "FeO": 0.01,
      "Fe2O3": 0.13,
      "ZnO": 0.62,
      "SnO2": 2.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 19.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 10.0
      },
      {
        "material": "kaolin e",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 6.0
      },
      {
        "material": "cornwall stone",
        "amount": 4.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 99.3
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
  {
    "id": "200784",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.36,
      "Al2O3": 11.63,
      "B2O3": 2.42,
      "Na2O": 4.61,
      "K2O": 1.39,
      "MgO": 0.04,
      "CaO": 12.15,
      "SrO": 0.01,
      "BaO": 0.68,
      "P2O5": 0.8,
      "TiO2": 0.05,
      "Cr2O3": 0.29,
      "FeO": 0.01,
      "Fe2O3": 0.13,
      "ZnO": 0.52,
      "SnO2": 4.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 9.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "bone ash",
        "amount": 1.85
      },
      {
        "material": "total base recipe",
        "amount": 100.85
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 106.15
      }
    ]
  },
  {
    "id": "202638",
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      "SiO2": 61.09,
      "Al2O3": 10.01,
      "B2O3": 4.3,
      "Na2O": 4.6,
      "K2O": 0.72,
      "MgO": 0.02,
      "CaO": 9.86,
      "SrO": 1.49,
      "BaO": 1.21,
      "TiO2": 2.09,
      "Cr2O3": 0.52,
      "FeO": 0.02,
      "Fe2O3": 0.02,
      "ZnO": 0.93,
      "SnO2": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 37.0
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      {
        "material": "whiting",
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      },
      {
        "material": "kaolin",
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      },
      {
        "material": "nepheline syenite",
        "amount": 15.0
      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 98.5
      },
      {
        "material": "tin oxide",
        "amount": 3.0
      },
      {
        "material": "strontium carbonate",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
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      {
        "material": "total",
        "amount": 105.5
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
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      {
        "material": "celsius fahrenheit total 7",
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    ]
  },
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      "CaO": 7.56,
      "SrO": 0.02,
      "BaO": 1.12,
      "P2O5": 2.29,
      "TiO2": 0.68,
      "MnO": 0.56,
      "FeO": 3.97,
      "Fe2O3": 9.62,
      "ZnO": 0.86,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 55.39
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 13.63
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      {
        "material": "red iron oxide",
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      {
        "material": "whiting",
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      {
        "material": "talc",
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      {
        "material": "bone ash",
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      },
      {
        "material": "lithium carbonate",
        "amount": 2.76
      },
      {
        "material": "manganese carbonate",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "202980",
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      "SiO2": 53.41,
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      "Li2O": 1.19,
      "Na2O": 3.24,
      "K2O": 2.8,
      "MgO": 3.03,
      "CaO": 4.81,
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      "BaO": 1.12,
      "P2O5": 0.14,
      "TiO2": 0.69,
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      "FeO": 3.96,
      "Fe2O3": 9.62,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "odenwalder clay",
        "amount": 55.39
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      {
        "material": "johnson matthey frit 169",
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      {
        "material": "red iron oxide",
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      {
        "material": "whiting",
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        "material": "talc",
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      {
        "material": "cornwall stone",
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      },
      {
        "material": "lithium carbonate",
        "amount": 2.76
      },
      {
        "material": "manganese carbonate",
        "amount": 0.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "207143",
    "chemical_composition": {
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      "Al2O3": 18.58,
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      "K2O": 5.33,
      "MgO": 3.56,
      "CaO": 8.64,
      "SrO": 3.96,
      "P2O5": 1.89,
      "TiO2": 0.05,
      "Fe2O3": 1.34,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 20.07
      },
      {
        "material": "calcined kaolin",
        "amount": 17.75
      },
      {
        "material": "gerstley borate",
        "amount": 12.54
      },
      {
        "material": "wood ash",
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      {
        "material": "silica",
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      },
      {
        "material": "ep kaolin",
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      {
        "material": "dolomite",
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      {
        "material": "spodumene",
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      },
      {
        "material": "strontium carbonate",
        "amount": 5.02
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
  {
    "id": "211241",
    "chemical_composition": {
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      "SiO2": 62.37,
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      "MgO": 0.77,
      "CaO": 11.84,
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      "TiO2": 0.04,
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      "ZnO": 0.91,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
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        "material": "silica",
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        "material": "ep kaolin",
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      {
        "material": "gerstley borate",
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      {
        "material": "magnesium carbonate",
        "amount": 0.97
      },
      {
        "material": "zinc oxide",
        "amount": 0.81
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "211255",
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      "TiO2": 0.09,
      "Fe2O3": 0.29,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 38.27
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      {
        "material": "silica",
        "amount": 23.47
      },
      {
        "material": "nepheline syenite",
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      {
        "material": "ep kaolin",
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      {
        "material": "calcined kaolin",
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      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "total",
        "amount": 100.0
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    "id": "211850",
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      "TiO2": 0.27,
      "Cr2O3": 1.02,
      "MnO": 1.89,
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      "ZnO": 3.23,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
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        "material": "redart",
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        "material": "dolomite",
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      {
        "material": "ep kaolin",
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        "material": "spodumene",
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      {
        "material": "wollastonite",
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      {
        "material": "zinc oxide",
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      {
        "material": "calcined kaolin",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese carbonate",
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      },
      {
        "material": "red iron oxide",
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      },
      {
        "material": "chrome oxide",
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      },
      {
        "material": "cobalt carbonate",
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      {
        "material": "total",
        "amount": 108.0
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    ]
  },
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    "id": "212059",
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      "LOI": 0.0
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    "ingredients": [
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        "material": "spodumene",
        "amount": 37.35
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      {
        "material": "silica",
        "amount": 18.46
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      {
        "material": "wollastonite",
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        "material": "talc",
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      {
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      {
        "material": "custer feldspar",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "212075",
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 56.05
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        "material": "whiting",
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        "material": "nepheline syenite a270",
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        "material": "ep kaolin",
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        "material": "dolomite",
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      {
        "material": "silica",
        "amount": 4.69
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      {
        "material": "zinc oxide",
        "amount": 3.37
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      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "212087",
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        "material": "custer feldspar",
        "amount": 51.17
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        "material": "nepheline syenite a270",
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      {
        "material": "ep kaolin",
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      {
        "material": "calcined kaolin",
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      },
      {
        "material": "whiting",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "silica",
        "amount": 0.03
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      {
        "material": "total",
        "amount": 100.0
      }
    ]
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    "id": "212330",
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      "Na2O": 4.05,
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      "MgO": 2.46,
      "CaO": 7.9,
      "SrO": 12.5,
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      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "CuO": 1.13,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 27.89
      },
      {
        "material": "calcined kaolin",
        "amount": 15.37
      },
      {
        "material": "strontium carbonate",
        "amount": 15.28
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      {
        "material": "silica",
        "amount": 11.09
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        "material": "dolomite",
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      {
        "material": "ep kaolin",
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      {
        "material": "gerstley borate",
        "amount": 7.53
      },
      {
        "material": "whiting",
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      {
        "material": "soda ash",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "212331",
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      "SiO2": 51.65,
      "Al2O3": 18.12,
      "B2O3": 2.22,
      "Na2O": 3.81,
      "K2O": 1.33,
      "MgO": 2.32,
      "CaO": 7.45,
      "SrO": 11.81,
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      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "CuO": 1.12,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 26.59
      },
      {
        "material": "calcined kaolin",
        "amount": 17.36
      },
      {
        "material": "strontium carbonate",
        "amount": 14.56
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      {
        "material": "silica",
        "amount": 12.63
      },
      {
        "material": "dolomite",
        "amount": 7.98
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "gerstley borate",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "soda ash",
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      },
      {
        "material": "total base recipe",
        "amount": 100.02
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.52
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    ]
  },
  {
    "id": "212332",
    "chemical_composition": {
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      "SiO2": 59.81,
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      "B2O3": 3.86,
      "Na2O": 3.59,
      "K2O": 4.15,
      "MgO": 0.47,
      "CaO": 9.44,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "ZnO": 7.48,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.53
      },
      {
        "material": "gerstley borate",
        "amount": 12.44
      },
      {
        "material": "ferro frit 3110",
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      {
        "material": "wollastonite",
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      },
      {
        "material": "silica",
        "amount": 11.39
      },
      {
        "material": "ep kaolin",
        "amount": 9.95
      },
      {
        "material": "zinc oxide",
        "amount": 7.07
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
  {
    "id": "212336",
    "chemical_composition": {
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      "SiO2": 53.52,
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      "Na2O": 3.13,
      "K2O": 3.76,
      "MgO": 7.09,
      "CaO": 4.8,
      "SrO": 3.85,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.39
      },
      {
        "material": "calcined kaolin",
        "amount": 17.69
      },
      {
        "material": "talc",
        "amount": 14.49
      },
      {
        "material": "gerstley borate",
        "amount": 12.75
      },
      {
        "material": "ep kaolin",
        "amount": 9.83
      },
      {
        "material": "dolomite",
        "amount": 5.44
      },
      {
        "material": "strontium carbonate",
        "amount": 4.85
      },
      {
        "material": "soda ash",
        "amount": 2.56
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "212337",
    "chemical_composition": {
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      "SiO2": 53.58,
      "Al2O3": 10.37,
      "B2O3": 3.59,
      "Na2O": 4.76,
      "K2O": 1.59,
      "MgO": 0.48,
      "CaO": 8.09,
      "BaO": 16.34,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "ZnO": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.09
      },
      {
        "material": "silica",
        "amount": 25.45
      },
      {
        "material": "barium carbonate",
        "amount": 18.28
      },
      {
        "material": "gerstley borate",
        "amount": 11.65
      },
      {
        "material": "whiting",
        "amount": 8.29
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      {
        "material": "ep kaolin",
        "amount": 6.7
      },
      {
        "material": "soda ash",
        "amount": 1.69
      },
      {
        "material": "zinc oxide",
        "amount": 0.85
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "212338",
    "chemical_composition": {
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      "SiO2": 60.73,
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      "B2O3": 4.08,
      "Li2O": 0.99,
      "Na2O": 3.53,
      "K2O": 1.51,
      "MgO": 5.85,
      "CaO": 6.81,
      "P2O5": 1.6,
      "TiO2": 0.07,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 25.48
      },
      {
        "material": "silica",
        "amount": 18.29
      },
      {
        "material": "gerstley borate",
        "amount": 13.84
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "spodumene",
        "amount": 11.25
      },
      {
        "material": "ep kaolin",
        "amount": 10.62
      },
      {
        "material": "dolomite",
        "amount": 3.39
      },
      {
        "material": "bone ash",
        "amount": 3.34
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "213494",
    "chemical_composition": {
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      "SiO2": 51.36,
      "Al2O3": 19.97,
      "Na2O": 8.49,
      "K2O": 3.94,
      "MgO": 1.99,
      "CaO": 6.56,
      "Fe2O3": 0.76,
      "CuO": 0.53,
      "ZnO": 6.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 75.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 6.0
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      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "213498",
    "chemical_composition": {
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      "SiO2": 48.26,
      "Al2O3": 18.76,
      "Na2O": 7.97,
      "K2O": 3.7,
      "MgO": 1.87,
      "CaO": 6.17,
      "TiO2": 7.02,
      "Fe2O3": 0.24,
      "ZnO": 6.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 75.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "titanium dioxide",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "213499",
    "chemical_composition": {
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      "SiO2": 49.25,
      "Al2O3": 19.14,
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      "K2O": 3.77,
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      "CaO": 6.29,
      "TiO2": 4.61,
      "Fe2O3": 0.75,
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      "LOI": 0.0
    },
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      {
        "material": "nepheline syenite a270",
        "amount": 75.0
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 53.14,
      "Al2O3": 18.19,
      "Li2O": 2.15,
      "Na2O": 5.83,
      "K2O": 2.76,
      "MgO": 0.03,
      "CaO": 7.74,
      "SrO": 4.69,
      "P2O5": 0.03,
      "TiO2": 4.79,
      "Fe2O3": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 51.9
      },
      {
        "material": "ep kaolin",
        "amount": 12.4
      },
      {
        "material": "silica",
        "amount": 12.4
      },
      {
        "material": "whiting",
        "amount": 12.4
      },
      {
        "material": "strontium carbonate",
        "amount": 6.2
      },
      {
        "material": "lithium carbonate",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "titanium dioxide",
        "amount": 4.4
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 105.1
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    ]
  },
  {
    "id": "218616",
    "chemical_composition": {
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      "SiO2": 62.96,
      "Al2O3": 14.54,
      "B2O3": 4.12,
      "Na2O": 3.65,
      "K2O": 0.93,
      "MgO": 0.03,
      "CaO": 13.36,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.6
      },
      {
        "material": "ep kaolin",
        "amount": 24.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.2
      },
      {
        "material": "whiting",
        "amount": 15.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "219225",
    "chemical_composition": {
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      "SiO2": 55.5,
      "Al2O3": 11.8,
      "B2O3": 3.86,
      "Na2O": 5.82,
      "K2O": 2.08,
      "MgO": 0.49,
      "CaO": 13.94,
      "BaO": 0.79,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.11,
      "Fe2O3": 0.14,
      "SnO2": 5.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 33.88
      },
      {
        "material": "silica",
        "amount": 19.84
      },
      {
        "material": "whiting",
        "amount": 17.41
      },
      {
        "material": "gerstley borate",
        "amount": 12.43
      },
      {
        "material": "ferro frit 3110",
        "amount": 8.92
      },
      {
        "material": "ep kaolin",
        "amount": 6.58
      },
      {
        "material": "barium carbonate",
        "amount": 0.94
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 105.1
      }
    ]
  },
  {
    "id": "220486",
    "chemical_composition": {
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      "SiO2": 52.16,
      "Al2O3": 16.79,
      "B2O3": 3.47,
      "Li2O": 0.73,
      "Na2O": 1.65,
      "K2O": 3.03,
      "MgO": 2.7,
      "CaO": 5.73,
      "SrO": 2.98,
      "P2O5": 0.04,
      "TiO2": 3.13,
      "Cr2O3": 1.01,
      "MnO2": 2.64,
      "Fe2O3": 3.32,
      "CoO": 0.64,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 26.98
      },
      {
        "material": "gerstley borate",
        "amount": 12.58
      },
      {
        "material": "calcined kaolin",
        "amount": 12.28
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      {
        "material": "silica",
        "amount": 10.97
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      {
        "material": "dolomite",
        "amount": 9.81
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      {
        "material": "spodumene",
        "amount": 8.99
      },
      {
        "material": "ep kaolin",
        "amount": 8.18
      },
      {
        "material": "strontium carbonate",
        "amount": 4.19
      },
      {
        "material": "redart",
        "amount": 4.1
      },
      {
        "material": "ferro frit 3110",
        "amount": 1.92
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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    "id": "224789",
    "chemical_composition": {
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      "SiO2": 51.88,
      "Al2O3": 16.25,
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      "MgO": 2.93,
      "CaO": 7.57,
      "P2O5": 0.05,
      "TiO2": 7.58,
      "Fe2O3": 1.06,
      "ZnO": 2.38,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 31.01
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      {
        "material": "cornwall stone",
        "amount": 26.82
      },
      {
        "material": "ep kaolin",
        "amount": 12.35
      },
      {
        "material": "gerstley borate",
        "amount": 12.19
      },
      {
        "material": "dolomite",
        "amount": 10.7
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      {
        "material": "calcined kaolin",
        "amount": 2.74
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "whiting",
        "amount": 1.9
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "226656",
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      "SiO2": 68.21,
      "Al2O3": 25.48,
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      "Na2O": 1.24,
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      "CaO": 1.48,
      "P2O5": 0.06,
      "TiO2": 0.15,
      "Fe2O3": 0.46,
      "LOI": 0.0
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    "ingredients": [
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        "material": "grolleg kaolin",
        "amount": 27.5
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "custer feldspar",
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      {
        "material": "ball clay",
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      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 107.2
      },
      {
        "material": "pyrophyllite",
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      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.2
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    ]
  },
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    "id": "228483",
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      "CaO": 1.66,
      "P2O5": 0.05,
      "TiO2": 0.16,
      "Fe2O3": 0.46,
      "LOI": 0.0
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    "ingredients": [
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        "material": "grolleg kaolin",
        "amount": 25.05
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      {
        "material": "silica",
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      },
      {
        "material": "custer feldspar",
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      {
        "material": "ep kaolin",
        "amount": 18.0
      },
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        "material": "ball clay",
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      },
      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "whiting",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.05
      },
      {
        "material": "pyrophyllite",
        "amount": 2.0
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      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
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      },
      {
        "material": "total",
        "amount": 104.05
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    ]
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    "id": "230640",
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      "Na2O": 4.88,
      "K2O": 2.53,
      "MgO": 0.03,
      "CaO": 8.06,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "LOI": 0.0
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    "ingredients": [
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        "material": "ferro frit 3134",
        "amount": 39.2
      },
      {
        "material": "custer feldspar",
        "amount": 23.5
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      {
        "material": "ep kaolin",
        "amount": 23.5
      },
      {
        "material": "silica",
        "amount": 13.8
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "id": "236574",
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      "Al2O3": 13.06,
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      "Na2O": 3.78,
      "K2O": 1.59,
      "MgO": 6.45,
      "CaO": 7.55,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 2.05,
      "ZnO": 3.03,
      "SnO2": 5.55,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "talc",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.5
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      {
        "material": "whiting",
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      {
        "material": "ferro frit 3134",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.5
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 107.5
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    ]
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    "id": "236575",
    "chemical_composition": {
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      "Al2O3": 18.97,
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      "Na2O": 9.92,
      "K2O": 3.93,
      "MgO": 0.03,
      "CaO": 7.08,
      "TiO2": 0.05,
      "Fe2O3": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "236576",
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      "Al2O3": 21.56,
      "Li2O": 3.61,
      "Na2O": 6.47,
      "K2O": 3.08,
      "MgO": 0.03,
      "CaO": 8.98,
      "P2O5": 0.05,
      "TiO2": 5.98,
      "Fe2O3": 4.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 42.0
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "whiting",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 71.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 78.0
      }
    ]
  },
  {
    "id": "236577",
    "chemical_composition": {},
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        "material": "lithium carbonate",
        "amount": 65.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 70.0
      },
      {
        "material": "chrome oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 74.0
      }
    ]
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    "id": "237161",
    "chemical_composition": {
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      "SiO2": 55.9,
      "Al2O3": 13.13,
      "Na2O": 2.0,
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      "MgO": 0.02,
      "CaO": 7.17,
      "SrO": 11.17,
      "P2O5": 0.05,
      "TiO2": 5.8,
      "Fe2O3": 0.83,
      "ZnO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 39.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "strontium carbonate",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "237287",
    "chemical_composition": {
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      "SiO2": 61.0,
      "Al2O3": 17.54,
      "Na2O": 3.03,
      "K2O": 3.2,
      "MgO": 0.02,
      "CaO": 0.04,
      "SrO": 5.22,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.25,
      "ZnO": 9.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
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      },
      {
        "material": "forshammar feldspar",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "strontium carbonate",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
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      },
      {
        "material": "celsius fahrenheit total 7",
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    ]
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    "id": "243622",
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      "Al2O3": 16.26,
      "B2O3": 4.94,
      "Na2O": 2.59,
      "K2O": 4.6,
      "MgO": 3.88,
      "CaO": 5.22,
      "SrO": 4.07,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 39.32
      },
      {
        "material": "gerstley borate",
        "amount": 16.11
      },
      {
        "material": "silica",
        "amount": 12.7
      },
      {
        "material": "calcined kaolin",
        "amount": 8.94
      },
      {
        "material": "ep kaolin",
        "amount": 8.76
      },
      {
        "material": "strontium carbonate",
        "amount": 5.07
      },
      {
        "material": "dolomite",
        "amount": 4.29
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.94
      },
      {
        "material": "soda ash",
        "amount": 0.88
      },
      {
        "material": "total",
        "amount": 100.01
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    ]
  },
  {
    "id": "244326",
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      "Na2O": 2.77,
      "K2O": 2.01,
      "MgO": 1.9,
      "CaO": 9.36,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 9.81,
      "ZnO": 4.07,
      "LOI": 0.0
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    "ingredients": [
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        "material": "feldspar forshammar testing",
        "amount": 45.5
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      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 13.3
      },
      {
        "material": "whiting",
        "amount": 8.3
      },
      {
        "material": "dolomite",
        "amount": 6.4
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "ep kaolin",
        "amount": 2.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
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    "id": "245154",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.36,
      "Al2O3": 18.34,
      "B2O3": 5.49,
      "Na2O": 4.53,
      "K2O": 2.46,
      "MgO": 2.97,
      "CaO": 7.96,
      "SrO": 1.6,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.13
      },
      {
        "material": "gerstley borate",
        "amount": 18.07
      },
      {
        "material": "dolomite",
        "amount": 9.03
      },
      {
        "material": "ep kaolin",
        "amount": 9.03
      },
      {
        "material": "calcined kaolin",
        "amount": 7.23
      },
      {
        "material": "silica",
        "amount": 4.5
      },
      {
        "material": "strontium carbonate",
        "amount": 2.01
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "245156",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.08,
      "Al2O3": 17.34,
      "B2O3": 4.98,
      "Li2O": 1.65,
      "Na2O": 1.68,
      "K2O": 3.21,
      "MgO": 2.02,
      "CaO": 8.5,
      "SrO": 7.25,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 26.79
      },
      {
        "material": "spodumene",
        "amount": 17.86
      },
      {
        "material": "gerstley borate",
        "amount": 16.07
      },
      {
        "material": "ep kaolin",
        "amount": 8.93
      },
      {
        "material": "strontium carbonate",
        "amount": 8.93
      },
      {
        "material": "silica",
        "amount": 7.14
      },
      {
        "material": "dolomite",
        "amount": 5.36
      },
      {
        "material": "calcined kaolin",
        "amount": 4.46
      },
      {
        "material": "whiting",
        "amount": 4.46
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "245167",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.32,
      "Al2O3": 13.16,
      "B2O3": 3.76,
      "Li2O": 0.72,
      "Na2O": 1.79,
      "K2O": 3.29,
      "MgO": 2.78,
      "CaO": 6.01,
      "SrO": 3.23,
      "P2O5": 0.05,
      "TiO2": 3.17,
      "Cr2O3": 1.02,
      "MnO2": 2.66,
      "Fe2O3": 3.39,
      "CoO": 0.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.05
      },
      {
        "material": "silica",
        "amount": 15.67
      },
      {
        "material": "gerstley borate",
        "amount": 13.54
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      {
        "material": "ep kaolin",
        "amount": 10.48
      },
      {
        "material": "dolomite",
        "amount": 9.9
      },
      {
        "material": "spodumene",
        "amount": 8.8
      },
      {
        "material": "strontium carbonate",
        "amount": 4.51
      },
      {
        "material": "redart",
        "amount": 4.41
      },
      {
        "material": "ferro frit 3110",
        "amount": 2.06
      },
      {
        "material": "calcined kaolin",
        "amount": 1.58
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "246386",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.64,
      "Al2O3": 17.34,
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      "Na2O": 3.69,
      "K2O": 4.97,
      "MgO": 1.32,
      "CaO": 12.62,
      "P2O5": 0.07,
      "TiO2": 0.08,
      "Fe2O3": 0.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.27
      },
      {
        "material": "gerstley borate",
        "amount": 31.72
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.93
      },
      {
        "material": "nepheline syenite a270",
        "amount": 7.22
      },
      {
        "material": "calcined kaolin",
        "amount": 5.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "246462",
    "chemical_composition": {
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      "SiO2": 51.01,
      "Al2O3": 16.49,
      "B2O3": 4.98,
      "Li2O": 1.08,
      "Na2O": 1.93,
      "K2O": 4.04,
      "MgO": 0.66,
      "CaO": 8.38,
      "BaO": 8.03,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.19,
      "ZnO": 3.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.03
      },
      {
        "material": "gerstley borate",
        "amount": 17.06
      },
      {
        "material": "spodumene",
        "amount": 12.33
      },
      {
        "material": "barium carbonate",
        "amount": 9.48
      },
      {
        "material": "ep kaolin",
        "amount": 9.47
      },
      {
        "material": "whiting",
        "amount": 7.58
      },
      {
        "material": "silica",
        "amount": 5.04
      },
      {
        "material": "calcined kaolin",
        "amount": 4.17
      },
      {
        "material": "zinc oxide",
        "amount": 2.85
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "246814",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.05,
      "Al2O3": 16.5,
      "B2O3": 3.9,
      "Na2O": 3.22,
      "K2O": 5.14,
      "MgO": 0.77,
      "CaO": 6.47,
      "SrO": 14.16,
      "P2O5": 2.42,
      "TiO2": 1.18,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 44.12
      },
      {
        "material": "strontium carbonate",
        "amount": 17.65
      },
      {
        "material": "gerstley borate",
        "amount": 12.75
      },
      {
        "material": "ep kaolin",
        "amount": 9.8
      },
      {
        "material": "calcined kaolin",
        "amount": 6.86
      },
      {
        "material": "bone ash",
        "amount": 4.9
      },
      {
        "material": "soda ash",
        "amount": 1.96
      },
      {
        "material": "dolomite",
        "amount": 0.98
      },
      {
        "material": "titanium dioxide",
        "amount": 0.98
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "246832",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.35,
      "Al2O3": 9.97,
      "B2O3": 3.77,
      "Na2O": 5.27,
      "K2O": 2.93,
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      "CaO": 10.25,
      "SrO": 0.02,
      "BaO": 1.06,
      "TiO2": 3.52,
      "FeO": 0.02,
      "Fe2O3": 0.46,
      "CoO": 0.62,
      "ZnO": 2.77,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite norwegian",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "wollastonite",
        "amount": 21.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 14.0
      },
      {
        "material": "kaolin",
        "amount": 5.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
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    "id": "247842",
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      "Al2O3": 9.01,
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      "Li2O": 0.88,
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      "K2O": 5.04,
      "MgO": 0.5,
      "CaO": 8.75,
      "BaO": 4.2,
      "P2O5": 0.01,
      "TiO2": 4.33,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "gerstley borate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "barium carbonate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "247962",
    "chemical_composition": {
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      "SiO2": 46.99,
      "Al2O3": 15.33,
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      "K2O": 5.12,
      "MgO": 0.68,
      "CaO": 18.58,
      "P2O5": 3.73,
      "TiO2": 0.05,
      "Fe2O3": 0.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.52
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.34
      },
      {
        "material": "gerstley borate",
        "amount": 16.63
      },
      {
        "material": "whiting",
        "amount": 15.11
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      {
        "material": "ep kaolin",
        "amount": 7.84
      },
      {
        "material": "bone ash",
        "amount": 7.55
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "247963",
    "chemical_composition": {
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      "SiO2": 46.95,
      "Al2O3": 13.74,
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      "Na2O": 4.71,
      "K2O": 2.44,
      "MgO": 0.11,
      "CaO": 3.37,
      "SrO": 17.83,
      "P2O5": 0.02,
      "TiO2": 5.12,
      "Fe2O3": 0.11,
      "CuO": 3.27,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 49.97
      },
      {
        "material": "strontium carbonate",
        "amount": 24.99
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "ep kaolin",
        "amount": 9.37
      },
      {
        "material": "custer feldspar",
        "amount": 3.12
      },
      {
        "material": "whiting",
        "amount": 1.04
      },
      {
        "material": "silica",
        "amount": 0.78
      },
      {
        "material": "soda ash",
        "amount": 0.52
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.21
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 109.99
      }
    ]
  },
  {
    "id": "247977",
    "chemical_composition": {
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      "SiO2": 57.27,
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      "Na2O": 2.89,
      "K2O": 2.31,
      "MgO": 0.42,
      "CaO": 15.79,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CuO": 2.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 24.8
      },
      {
        "material": "nepheline syenite",
        "amount": 23.38
      },
      {
        "material": "silica",
        "amount": 18.47
      },
      {
        "material": "ep kaolin",
        "amount": 10.74
      },
      {
        "material": "custer feldspar",
        "amount": 9.51
      },
      {
        "material": "calcined kaolin",
        "amount": 8.11
      },
      {
        "material": "spodumene",
        "amount": 4.27
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.72
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "250256",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.47,
      "Al2O3": 20.54,
      "B2O3": 5.4,
      "Na2O": 4.3,
      "K2O": 0.86,
      "MgO": 4.25,
      "CaO": 10.01,
      "BaO": 0.24,
      "TiO2": 0.75,
      "MnO": 0.0,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 35.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 21.5
      },
      {
        "material": "nepheline syenite",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 8.5
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "titanium dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "250504",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.82,
      "Al2O3": 10.64,
      "B2O3": 5.0,
      "Na2O": 5.84,
      "K2O": 1.68,
      "MgO": 0.19,
      "CaO": 6.16,
      "SrO": 13.69,
      "BaO": 0.05,
      "TiO2": 0.09,
      "MnO": 0.0,
      "Fe2O3": 0.17,
      "CoO": 1.05,
      "F": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frita cc 202",
        "amount": 29.71
      },
      {
        "material": "silica",
        "amount": 21.74
      },
      {
        "material": "strontium carbonate",
        "amount": 17.39
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 14.49
      },
      {
        "material": "whiting",
        "amount": 8.7
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 7.97
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "250819",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.33,
      "Al2O3": 3.27,
      "B2O3": 1.17,
      "Li2O": 0.93,
      "Na2O": 7.45,
      "CaO": 13.45,
      "P2O5": 3.61,
      "Fe2O3": 18.51,
      "ZnO": 2.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 41.69
      },
      {
        "material": "whiting",
        "amount": 15.36
      },
      {
        "material": "soda ash",
        "amount": 14.6
      },
      {
        "material": "spodumene",
        "amount": 12.21
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 5.42
      },
      {
        "material": "zinc oxide",
        "amount": 2.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 20.55
      },
      {
        "material": "total",
        "amount": 120.55
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "250835",
    "chemical_composition": {
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      "SiO2": 48.08,
      "Al2O3": 1.42,
      "B2O3": 1.02,
      "Na2O": 6.23,
      "K2O": 0.35,
      "MgO": 0.06,
      "CaO": 5.86,
      "TiO2": 2.63,
      "MnO2": 19.96,
      "Fe2O3": 0.04,
      "ZnO": 14.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 37.38
      },
      {
        "material": "manganese dioxide",
        "amount": 20.42
      },
      {
        "material": "zinc oxide",
        "amount": 12.76
      },
      {
        "material": "soda ash",
        "amount": 8.93
      },
      {
        "material": "whiting",
        "amount": 8.34
      },
      {
        "material": "crecer frit 804 /2012",
        "amount": 8.21
      },
      {
        "material": "titanium dioxide",
        "amount": 2.33
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 1.63
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "253489",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.35,
      "Al2O3": 14.41,
      "B2O3": 2.45,
      "Li2O": 0.66,
      "Na2O": 2.77,
      "K2O": 1.18,
      "MgO": 2.33,
      "CaO": 3.16,
      "BaO": 10.51,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.6
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.36
      },
      {
        "material": "barium carbonate",
        "amount": 12.51
      },
      {
        "material": "gerstley borate",
        "amount": 8.44
      },
      {
        "material": "calcined kaolin",
        "amount": 7.75
      },
      {
        "material": "spodumene",
        "amount": 7.65
      },
      {
        "material": "ep kaolin",
        "amount": 6.79
      },
      {
        "material": "talc",
        "amount": 5.79
      },
      {
        "material": "whiting",
        "amount": 2.11
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "255130",
    "chemical_composition": {
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      "Al2O3": 21.44,
      "B2O3": 6.93,
      "Na2O": 4.03,
      "K2O": 3.53,
      "MgO": 2.4,
      "CaO": 9.42,
      "BaO": 0.23,
      "TiO2": 0.2,
      "MnO": 0.0,
      "Fe2O3": 0.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 34.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 27.5
      },
      {
        "material": "whiting",
        "amount": 5.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "257252",
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      "Al2O3": 19.97,
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      "K2O": 3.24,
      "MgO": 0.07,
      "CaO": 10.98,
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      "TiO2": 0.04,
      "MnO": 0.0,
      "Fe2O3": 0.11,
      "ZnO": 12.09,
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    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 64.0
      },
      {
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        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
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      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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      "Li2O": 1.15,
      "Na2O": 2.15,
      "K2O": 1.1,
      "MgO": 1.89,
      "CaO": 8.37,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 5.33,
      "Fe2O3": 0.11,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 24.8
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      {
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        "amount": 24.29
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      {
        "material": "spodumene",
        "amount": 13.95
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      {
        "material": "ep kaolin",
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        "material": "calcined kaolin",
        "amount": 6.51
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "gerstley borate",
        "amount": 5.11
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.9
      },
      {
        "material": "soda ash",
        "amount": 0.52
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 7.72
      },
      {
        "material": "total",
        "amount": 107.72
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    ]
  },
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      "SiO2": 62.89,
      "Al2O3": 11.81,
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      "Na2O": 2.94,
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      "MgO": 3.2,
      "CaO": 9.27,
      "SrO": 5.14,
      "BaO": 0.14,
      "P2O5": 0.02,
      "TiO2": 0.13,
      "ZrO2": 0.08,
      "MnO": 0.01,
      "Fe2O3": 0.24,
      "ZnO": 0.02,
      "PbO": 0.0,
      "As2O3": 0.0,
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    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
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      },
      {
        "material": "soda feldspar 2024 (crecer) testing",
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      },
      {
        "material": "frita 174 - 2024/crecer testing",
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      },
      {
        "material": "dolomita crecer 2024 testing",
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      },
      {
        "material": "strontium carbonate",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "270744",
    "chemical_composition": {
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      "SiO2": 67.17,
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      "Na2O": 1.97,
      "K2O": 3.32,
      "MgO": 1.58,
      "CaO": 9.55,
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      "Fe2O3": 0.12,
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    "ingredients": [
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        "material": "silica",
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      {
        "material": "custer feldspar",
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        "material": "ep kaolin",
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      {
        "material": "nepheline syenite a270",
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      {
        "material": "spodumene",
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      {
        "material": "calcined kaolin",
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      {
        "material": "dolomite",
        "amount": 4.26
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.99
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "271336",
    "chemical_composition": {
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      "SiO2": 53.04,
      "Al2O3": 20.46,
      "B2O3": 6.08,
      "Na2O": 2.77,
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      "CaO": 14.75,
      "BaO": 0.26,
      "TiO2": 0.22,
      "MnO": 0.0,
      "Fe2O3": 0.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
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      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "potash feldspar",
        "amount": 11.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
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    ]
  },
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    "id": "271460",
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      "Al2O3": 15.69,
      "B2O3": 1.49,
      "Li2O": 0.41,
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      "K2O": 4.17,
      "MgO": 2.13,
      "CaO": 8.91,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
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        "amount": 21.35
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      {
        "material": "ep kaolin",
        "amount": 9.98
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        "material": "whiting",
        "amount": 7.95
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        "material": "dolomite",
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      {
        "material": "calcined kaolin",
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      {
        "material": "gerstley borate",
        "amount": 4.95
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      {
        "material": "spodumene",
        "amount": 4.56
      },
      {
        "material": "soda ash",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "271840",
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      "SiO2": 59.03,
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      "MgO": 2.86,
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      "BaO": 0.0,
      "P2O5": 0.0,
      "TiO2": 5.36,
      "ZrO2": 0.01,
      "MnO": 0.01,
      "MnO2": 3.42,
      "Fe2O3": 0.7,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "caolín patagónico - 2024/crecer",
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      },
      {
        "material": "talc",
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      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "cobalt oxide",
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      },
      {
        "material": "total",
        "amount": 110.4
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    ]
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    "id": "271874",
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      "TiO2": 4.82,
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      "MnO2": 2.75,
      "Fe2O3": 0.77,
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    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
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      },
      {
        "material": "silica",
        "amount": 21.5
      },
      {
        "material": "dolomite",
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      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 108.3
      }
    ]
  },
  {
    "id": "272152",
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      "SiO2": 54.23,
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      "TiO2": 5.22,
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      "MnO2": 3.21,
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    "ingredients": [
      {
        "material": "esmalte tp q92 / 2020 - crecer testing",
        "amount": 29.5
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        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
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      {
        "material": "caolin imerys - 2024/crecer testing",
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      },
      {
        "material": "nepheline syenite",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "manganese dioxide",
        "amount": 3.6
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.9
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "274678",
    "chemical_composition": {
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      "SiO2": 46.78,
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      "CaO": 12.45,
      "P2O5": 0.08,
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      "ZrO2": 6.05,
      "Fe2O3": 0.31,
      "LOI": 0.0
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        "material": "custer feldspar",
        "amount": 39.15
      },
      {
        "material": "ep kaolin",
        "amount": 20.1
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      {
        "material": "gerstley borate",
        "amount": 20.02
      },
      {
        "material": "dolomite",
        "amount": 17.93
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
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    ]
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    "id": "275275",
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      "Na2O": 2.72,
      "K2O": 3.66,
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      "CaO": 10.68,
      "P2O5": 2.08,
      "TiO2": 0.04,
      "Fe2O3": 6.64,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 25.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "bone ash",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
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    ]
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    "id": "275299",
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      "Al2O3": 5.88,
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      "MgO": 3.09,
      "CaO": 17.84,
      "P2O5": 3.64,
      "TiO2": 0.0,
      "Fe2O3": 1.24,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 13.0
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "bone ash",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
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    ]
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    "id": "275368",
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      "K2O": 2.86,
      "MgO": 1.23,
      "CaO": 8.12,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 6.69,
      "Fe2O3": 0.11,
      "ZnO": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.84
      },
      {
        "material": "silica",
        "amount": 15.83
      },
      {
        "material": "custer feldspar",
        "amount": 13.54
      },
      {
        "material": "whiting",
        "amount": 9.41
      },
      {
        "material": "ep kaolin",
        "amount": 7.96
      },
      {
        "material": "calcined kaolin",
        "amount": 5.62
      },
      {
        "material": "dolomite",
        "amount": 4.95
      },
      {
        "material": "gerstley borate",
        "amount": 3.99
      },
      {
        "material": "zinc oxide",
        "amount": 1.97
      },
      {
        "material": "soda ash",
        "amount": 0.9
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.01
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    ]
  },
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    "id": "275469",
    "chemical_composition": {
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      "Li2O": 0.79,
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      "K2O": 3.42,
      "MgO": 2.97,
      "CaO": 6.63,
      "SrO": 3.54,
      "P2O5": 0.04,
      "TiO2": 3.04,
      "Cr2O3": 1.0,
      "MnO2": 2.6,
      "Fe2O3": 5.85,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 32.59
      },
      {
        "material": "gerstley borate",
        "amount": 15.19
      },
      {
        "material": "dolomite",
        "amount": 11.11
      },
      {
        "material": "spodumene",
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      },
      {
        "material": "ep kaolin",
        "amount": 9.47
      },
      {
        "material": "calcined kaolin",
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      },
      {
        "material": "silica",
        "amount": 6.4
      },
      {
        "material": "strontium carbonate",
        "amount": 5.06
      },
      {
        "material": "ferro frit 3110",
        "amount": 3.18
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "276132",
    "chemical_composition": {
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      "SiO2": 48.74,
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      "K2O": 0.78,
      "SrO": 36.55,
      "Cr2O3": 2.31,
      "Fe2O3": 0.32,
      "CoO": 0.73,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "strontium carbonate",
        "amount": 45.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "kaolin e",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
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    ]
  },
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    "id": "276359",
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      "Na2O": 3.9,
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      "MgO": 5.55,
      "CaO": 4.14,
      "TiO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 13.19,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 27.75
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 22.54
      },
      {
        "material": "talc",
        "amount": 19.08
      },
      {
        "material": "silica",
        "amount": 10.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "277378",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.45,
      "Al2O3": 35.47,
      "Na2O": 0.2,
      "K2O": 1.89,
      "MgO": 0.34,
      "CaO": 0.25,
      "P2O5": 0.06,
      "TiO2": 1.37,
      "Fe2O3": 0.97,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "goldart",
        "amount": 50.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 37.5
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 7.5
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 125.0
      }
    ]
  },
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      "SiO2": 62.9,
      "Al2O3": 11.08,
      "Na2O": 1.29,
      "K2O": 4.32,
      "MgO": 3.1,
      "CaO": 11.54,
      "TiO2": 0.17,
      "Fe2O3": 0.2,
      "CoO": 5.41,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 38.89
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      {
        "material": "silica",
        "amount": 21.11
      },
      {
        "material": "whiting",
        "amount": 18.89
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 13.33
      },
      {
        "material": "talc",
        "amount": 5.56
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.22
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
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    "id": "280289",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.5,
      "Al2O3": 13.65,
      "Na2O": 1.09,
      "K2O": 0.84,
      "MgO": 0.14,
      "CaO": 16.46,
      "TiO2": 5.83,
      "Fe2O3": 0.48,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ball clay",
        "amount": 30.2
      },
      {
        "material": "wollastonite",
        "amount": 16.3
      },
      {
        "material": "silica",
        "amount": 10.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 5.7
      },
      {
        "material": "mason 6600 black stain",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.9
      },
      {
        "material": "titanium dioxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 76.0
      }
    ]
  },
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    "id": "280804",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.63,
      "Al2O3": 16.9,
      "B2O3": 4.22,
      "Li2O": 0.8,
      "Na2O": 2.11,
      "K2O": 3.48,
      "MgO": 3.02,
      "CaO": 6.76,
      "SrO": 3.61,
      "P2O5": 0.04,
      "TiO2": 3.04,
      "Cr2O3": 1.0,
      "MnO2": 2.6,
      "Fe2O3": 5.85,
      "CoO": 0.94,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 33.25
      },
      {
        "material": "gerstley borate",
        "amount": 15.5
      },
      {
        "material": "dolomite",
        "amount": 11.33
      },
      {
        "material": "spodumene",
        "amount": 10.09
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "calcined kaolin",
        "amount": 9.89
      },
      {
        "material": "strontium carbonate",
        "amount": 5.16
      },
      {
        "material": "ferro frit 3110",
        "amount": 3.24
      },
      {
        "material": "silica",
        "amount": 2.04
      },
      {
        "material": "total base recipe",
        "amount": 100.5
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
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    "id": "280817",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.19,
      "Al2O3": 11.57,
      "B2O3": 0.87,
      "Na2O": 5.05,
      "K2O": 2.3,
      "MgO": 0.18,
      "CaO": 23.29,
      "P2O5": 0.0,
      "TiO2": 0.0,
      "Fe2O3": 0.15,
      "CuO": 2.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 46.95
      },
      {
        "material": "nepheline syenite a270",
        "amount": 46.95
      },
      {
        "material": "gerstley borate",
        "amount": 3.29
      },
      {
        "material": "bentonite",
        "amount": 2.82
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 3.75
      },
      {
        "material": "total",
        "amount": 103.76
      }
    ]
  },
  {
    "id": "280820",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.17,
      "Al2O3": 15.51,
      "Na2O": 2.04,
      "K2O": 6.53,
      "MgO": 2.73,
      "CaO": 8.43,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.25,
      "CuO": 2.01,
      "ZnO": 6.25,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 62.0
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      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "talc",
        "amount": 8.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "280852",
    "chemical_composition": {
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      "SiO2": 52.07,
      "Al2O3": 15.1,
      "B2O3": 1.75,
      "Na2O": 3.58,
      "K2O": 1.89,
      "MgO": 8.58,
      "CaO": 13.27,
      "P2O5": 0.04,
      "TiO2": 3.21,
      "Fe2O3": 0.49,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 36.36
      },
      {
        "material": "dolomite",
        "amount": 13.64
      },
      {
        "material": "ep kaolin",
        "amount": 13.64
      },
      {
        "material": "ferro frit 3124",
        "amount": 10.91
      },
      {
        "material": "magnesium carbonate",
        "amount": 9.09
      },
      {
        "material": "whiting",
        "amount": 9.09
      },
      {
        "material": "silica",
        "amount": 7.27
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
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    "id": "280915",
    "chemical_composition": {
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      "SiO2": 60.05,
      "Al2O3": 32.86,
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      "K2O": 0.84,
      "MgO": 1.5,
      "CaO": 0.43,
      "TiO2": 1.96,
      "Fe2O3": 1.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ap green fireclay",
        "amount": 66.0
      },
      {
        "material": "tennessee ball clay",
        "amount": 33.0
      },
      {
        "material": "custer feldspar",
        "amount": 3.3
      },
      {
        "material": "talc",
        "amount": 3.3
      },
      {
        "material": "total",
        "amount": 105.6
      }
    ]
  },
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    "id": "280925",
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      "SiO2": 62.27,
      "Al2O3": 31.62,
      "Na2O": 1.34,
      "K2O": 2.1,
      "MgO": 0.26,
      "CaO": 0.19,
      "TiO2": 1.2,
      "Fe2O3": 1.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "280926",
    "chemical_composition": {
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      "SiO2": 61.94,
      "Al2O3": 32.04,
      "Na2O": 1.34,
      "K2O": 1.65,
      "MgO": 0.28,
      "CaO": 0.24,
      "TiO2": 1.54,
      "Fe2O3": 0.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 50.0
      },
      {
        "material": "tile #6 kaolin",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "grog",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 135.0
      }
    ]
  },
  {
    "id": "280927",
    "chemical_composition": {
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      "SiO2": 63.41,
      "Al2O3": 31.42,
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      "K2O": 1.87,
      "MgO": 0.28,
      "CaO": 0.21,
      "P2O5": 0.05,
      "TiO2": 1.36,
      "Fe2O3": 0.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "goldart",
        "amount": 33.33
      },
      {
        "material": "tile #6 kaolin",
        "amount": 16.67
      },
      {
        "material": "ep kaolin",
        "amount": 16.67
      },
      {
        "material": "fireclay",
        "amount": 16.67
      },
      {
        "material": "custer feldspar",
        "amount": 8.33
      },
      {
        "material": "silica",
        "amount": 8.33
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "280928",
    "chemical_composition": {
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      "SiO2": 71.19,
      "Al2O3": 23.9,
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      "K2O": 1.45,
      "MgO": 0.14,
      "CaO": 0.53,
      "TiO2": 0.43,
      "Fe2O3": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cedar height stoneware",
        "amount": 60.0
      },
      {
        "material": "ball clay",
        "amount": 15.0
      },
      {
        "material": "grog",
        "amount": 15.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "280929",
    "chemical_composition": {
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      "SiO2": 63.42,
      "Al2O3": 28.53,
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      "K2O": 2.84,
      "MgO": 0.6,
      "CaO": 0.27,
      "P2O5": 0.12,
      "TiO2": 1.07,
      "Fe2O3": 2.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 25.0
      },
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "redart",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "281165",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.67,
      "Al2O3": 29.64,
      "Na2O": 0.84,
      "K2O": 1.86,
      "MgO": 0.31,
      "CaO": 0.35,
      "TiO2": 1.65,
      "Fe2O3": 1.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ap green fireclay",
        "amount": 100.0
      },
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 18.0
      },
      {
        "material": "grog",
        "amount": 7.5
      },
      {
        "material": "sand",
        "amount": 7.5
      },
      {
        "material": "total",
        "amount": 158.0
      }
    ]
  },
  {
    "id": "281167",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.65,
      "Al2O3": 28.8,
      "Na2O": 0.64,
      "K2O": 1.61,
      "MgO": 0.46,
      "CaO": 0.39,
      "P2O5": 0.04,
      "TiO2": 1.5,
      "Fe2O3": 1.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ap green fireclay",
        "amount": 35.0
      },
      {
        "material": "foundry hill creme",
        "amount": 30.0
      },
      {
        "material": "goldart",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "fireclay",
        "amount": 2.0
      },
      {
        "material": "grog",
        "amount": 2.0
      },
      {
        "material": "redart",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 96.0
      }
    ]
  },
  {
    "id": "281173",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.44,
      "Al2O3": 33.0,
      "Na2O": 0.34,
      "K2O": 1.61,
      "MgO": 0.53,
      "CaO": 0.31,
      "P2O5": 0.01,
      "TiO2": 1.51,
      "Fe2O3": 1.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 50.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 50.0
      },
      {
        "material": "custer feldspar",
        "amount": 5.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "grog",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
  {
    "id": "281178",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.37,
      "Al2O3": 25.99,
      "Li2O": 3.23,
      "Na2O": 0.12,
      "K2O": 0.53,
      "MgO": 0.16,
      "CaO": 0.09,
      "TiO2": 0.88,
      "Fe2O3": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 30.0
      },
      {
        "material": "petalite",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "281182",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 70.93,
      "Al2O3": 23.51,
      "Na2O": 0.66,
      "K2O": 2.35,
      "MgO": 0.19,
      "CaO": 0.16,
      "TiO2": 1.29,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "fireclay",
        "amount": 50.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "281183",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 72.13,
      "Al2O3": 20.43,
      "Na2O": 0.99,
      "K2O": 3.61,
      "MgO": 0.31,
      "CaO": 0.21,
      "P2O5": 0.02,
      "TiO2": 0.91,
      "Fe2O3": 1.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 25.0
      },
      {
        "material": "fireclay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "redart",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "281184",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.49,
      "Al2O3": 30.06,
      "Na2O": 1.1,
      "K2O": 1.08,
      "MgO": 0.34,
      "CaO": 0.49,
      "TiO2": 1.29,
      "Fe2O3": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 18.0
      },
      {
        "material": "ap green fireclay",
        "amount": 18.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 16.0
      },
      {
        "material": "kentucky stone",
        "amount": 11.0
      },
      {
        "material": "minspar 200",
        "amount": 11.0
      },
      {
        "material": "helmer kaolin",
        "amount": 10.0
      },
      {
        "material": "grog",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "281188",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.95,
      "Al2O3": 32.8,
      "Na2O": 0.51,
      "K2O": 2.03,
      "MgO": 0.33,
      "CaO": 0.28,
      "P2O5": 0.06,
      "TiO2": 1.2,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 19.35
      },
      {
        "material": "ep kaolin",
        "amount": 19.35
      },
      {
        "material": "goldart",
        "amount": 14.84
      },
      {
        "material": "hawthorne bond",
        "amount": 14.84
      },
      {
        "material": "custer feldspar",
        "amount": 11.61
      },
      {
        "material": "xx sagger ball clay",
        "amount": 9.68
      },
      {
        "material": "silica",
        "amount": 7.74
      },
      {
        "material": "grog",
        "amount": 2.58
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "281278",
    "chemical_composition": {
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      "SiO2": 66.36,
      "Al2O3": 28.79,
      "Na2O": 0.99,
      "K2O": 1.07,
      "MgO": 0.3,
      "CaO": 0.38,
      "P2O5": 0.0,
      "TiO2": 1.27,
      "Fe2O3": 0.84,
      "LOI": 0.0
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    "ingredients": [
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        "material": "tile #6 kaolin",
        "amount": 28.0
      },
      {
        "material": "c & c ball clay",
        "amount": 20.0
      },
      {
        "material": "goldart",
        "amount": 16.0
      },
      {
        "material": "nc-4 feldspar",
        "amount": 12.0
      },
      {
        "material": "kentucky stone",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 8.0
      },
      {
        "material": "helmer kaolin",
        "amount": 8.0
      },
      {
        "material": "sand",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 63.23,
      "Al2O3": 30.47,
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      "MgO": 1.38,
      "CaO": 0.3,
      "TiO2": 1.15,
      "Fe2O3": 0.84,
      "LOI": 0.0
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    "ingredients": [
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        "material": "tile #6 kaolin",
        "amount": 30.0
      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "pyrax pyrophllite",
        "amount": 15.0
      },
      {
        "material": "ap green fireclay",
        "amount": 15.0
      },
      {
        "material": "custer feldspar",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "281479",
    "chemical_composition": {
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      "SiO2": 59.73,
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      "B2O3": 4.87,
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      "MgO": 5.84,
      "CaO": 12.4,
      "TiO2": 0.08,
      "Cr2O3": 0.46,
      "MnO": 0.01,
      "Fe2O3": 0.25,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
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      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 18.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 100.4
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
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    ]
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      "CaO": 1.85,
      "P2O5": 0.07,
      "TiO2": 0.72,
      "Fe2O3": 0.63,
      "LOI": 0.0
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    "ingredients": [
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        "material": "hawthorne bond",
        "amount": 27.5
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      {
        "material": "ep kaolin",
        "amount": 25.0
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      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "minspar 200",
        "amount": 20.0
      },
      {
        "material": "xx sagger ball clay",
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      {
        "material": "ferro frit 3110",
        "amount": 4.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 106.2
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      {
        "material": "grog",
        "amount": 7.0
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      {
        "material": "total",
        "amount": 113.2
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    ]
  },
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    "id": "285045",
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      "SiO2": 56.97,
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      "CaO": 3.52,
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      "TiO2": 0.39,
      "Fe2O3": 3.04,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 50.0
      },
      {
        "material": "ep kaolin",
        "amount": 50.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "285432",
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      "Li2O": 0.83,
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      "SrO": 3.69,
      "P2O5": 0.04,
      "TiO2": 2.81,
      "Cr2O3": 0.92,
      "MnO2": 2.39,
      "Fe2O3": 5.4,
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      "LOI": 0.0
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        "material": "custer feldspar",
        "amount": 36.96
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      {
        "material": "gerstley borate",
        "amount": 15.5
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      {
        "material": "dolomite",
        "amount": 12.6
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      {
        "material": "spodumene",
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      {
        "material": "ep kaolin",
        "amount": 11.12
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      {
        "material": "calcined kaolin",
        "amount": 11.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.73
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      {
        "material": "ferro frit 3110",
        "amount": 3.6
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      {
        "material": "silica",
        "amount": 2.27
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      {
        "material": "total base recipe",
        "amount": 110.0
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      {
        "material": "red iron oxide",
        "amount": 6.0
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      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.5
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 124.5
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    ]
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    "id": "286087",
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      "SiO2": 68.33,
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      "TiO2": 0.69,
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    "ingredients": [
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        "material": "hawthorne bond",
        "amount": 27.5
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      {
        "material": "ep kaolin",
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      {
        "material": "silica",
        "amount": 22.5
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      {
        "material": "custer feldspar",
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      {
        "material": "kentucky om #4 ball clay",
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      {
        "material": "ferro frit 3110",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 106.2
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      {
        "material": "grog",
        "amount": 7.0
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      {
        "material": "total",
        "amount": 113.2
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    ]
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      "CaO": 11.88,
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      "Fe2O3": 0.07,
      "SnO2": 2.03,
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    "ingredients": [
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        "material": "potash feldspar",
        "amount": 36.0
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      {
        "material": "silica",
        "amount": 27.0
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      {
        "material": "ferro frit 3134",
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      {
        "material": "whiting",
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      },
      {
        "material": "dolomite",
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "bentonite",
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      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "titanium dioxide",
        "amount": 1.2
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      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.4
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    "id": "288497",
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      "TiO2": 0.72,
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        "material": "hawthorne bond",
        "amount": 27.5
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      {
        "material": "ep kaolin",
        "amount": 25.0
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      {
        "material": "silica",
        "amount": 22.5
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      {
        "material": "nepheline syenite a270",
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      {
        "material": "xx sagger ball clay",
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      {
        "material": "ferro frit 3110",
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      },
      {
        "material": "whiting",
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      {
        "material": "total base recipe",
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      {
        "material": "grog",
        "amount": 7.0
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      {
        "material": "total",
        "amount": 113.2
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    ]
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    "id": "290001",
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      "BaO": 1.53,
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      "TiO2": 4.0,
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      "ZnO": 1.18,
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    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
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      {
        "material": "bone ash",
        "amount": 20.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "nepheline syenite norwegian",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
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      {
        "material": "celsius fahrenheit total 7",
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      "TiO2": 0.06,
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      "Cr2O3": 0.54,
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 35.0
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      {
        "material": "whiting",
        "amount": 30.0
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      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 108.5
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    ]
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    "id": "290519",
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      "CoO": 0.89,
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        "material": "custer feldspar",
        "amount": 39.8
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      {
        "material": "ep kaolin",
        "amount": 21.1
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        "material": "whiting",
        "amount": 18.9
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      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.25
      },
      {
        "material": "total",
        "amount": 101.25
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    ]
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    "id": "290525",
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      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "290527",
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      "SiO2": 60.58,
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      "TiO2": 0.24,
      "Fe2O3": 0.54,
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    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.2
      },
      {
        "material": "spodumene",
        "amount": 15.2
      },
      {
        "material": "minspar 200",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "alberta slip",
        "amount": 5.5
      },
      {
        "material": "soda ash",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 105.7
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    ]
  },
  {
    "id": "290532",
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      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 35.6
      },
      {
        "material": "silica",
        "amount": 35.2
      },
      {
        "material": "whiting",
        "amount": 22.1
      },
      {
        "material": "grolleg kaolin",
        "amount": 16.4
      },
      {
        "material": "total base recipe",
        "amount": 109.3
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "yellow ochre",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 113.3
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    ]
  },
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    "id": "291892",
    "chemical_composition": {
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      "SiO2": 69.63,
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      "K2O": 4.77,
      "MgO": 0.23,
      "CaO": 7.76,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "MnO2": 0.23,
      "Fe2O3": 0.66,
      "CuO": 0.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.91
      },
      {
        "material": "silica",
        "amount": 27.38
      },
      {
        "material": "ep kaolin",
        "amount": 12.03
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      {
        "material": "whiting",
        "amount": 12.03
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "dolomite",
        "amount": 0.9
      },
      {
        "material": "soda ash",
        "amount": 0.72
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "copper carbonate",
        "amount": 0.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "manganese dioxide",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.24
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    ]
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    "id": "292507",
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      "CaO": 11.34,
      "TiO2": 0.01,
      "ZrO2": 13.8,
      "MnO": 0.0,
      "Fe2O3": 0.13,
      "ZnO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 38.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "zirconium dioxide",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "standard porcelain china clay",
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      },
      {
        "material": "imerys wollastonite nyad m325 testing",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "293833",
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      "K2O": 2.56,
      "MgO": 0.23,
      "CaO": 0.26,
      "P2O5": 0.06,
      "TiO2": 0.2,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "molochite",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "293834",
    "chemical_composition": {
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      "Al2O3": 35.75,
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      "K2O": 2.26,
      "MgO": 0.21,
      "CaO": 0.13,
      "P2O5": 0.01,
      "TiO2": 0.55,
      "Fe2O3": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "c & c ball clay",
        "amount": 30.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 30.0
      },
      {
        "material": "molochite",
        "amount": 15.0
      },
      {
        "material": "custer feldspar",
        "amount": 7.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 7.5
      },
      {
        "material": "alumina",
        "amount": 5.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "303273",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.54,
      "Al2O3": 20.71,
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      "K2O": 2.73,
      "MgO": 15.2,
      "CaO": 2.99,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.2,
      "ZnO": 9.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 45.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 60.59,
      "Al2O3": 7.99,
      "Na2O": 2.12,
      "K2O": 1.97,
      "MgO": 5.03,
      "CaO": 8.85,
      "ZrO2": 4.41,
      "MnO2": 1.9,
      "Fe2O3": 1.15,
      "CoO": 0.52,
      "ZnO": 5.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammer feldspar testing",
        "amount": 40.0
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "kaolin e",
        "amount": 4.0
      },
      {
        "material": "whiting",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 103.75
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
        "amount": 16.0
      }
    ]
  },
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    "id": "307605",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.33,
      "Al2O3": 11.93,
      "B2O3": 5.8,
      "Na2O": 6.37,
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      "MgO": 3.04,
      "CaO": 9.88,
      "SrO": 0.03,
      "BaO": 1.63,
      "P2O5": 4.56,
      "TiO2": 0.49,
      "FeO": 2.85,
      "Fe2O3": 0.02,
      "ZnO": 1.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 40.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "bone ash",
        "amount": 10.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "hold (min) total 1 66 104 0 1",
        "amount": 16.0
      },
      {
        "material": "celsius fahrenheit total 7",
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      }
    ]
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      "B2O3": 3.51,
      "Na2O": 4.75,
      "K2O": 1.92,
      "MgO": 0.06,
      "CaO": 7.6,
      "SrO": 0.02,
      "BaO": 0.99,
      "P2O5": 0.83,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 0.17,
      "CuO": 0.63,
      "ZnO": 3.7,
      "SnO2": 1.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 46.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
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      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "bone ash",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 2.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "silicon carbide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "317223",
    "chemical_composition": {
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      "SiO2": 57.1,
      "Al2O3": 8.54,
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      "Na2O": 2.3,
      "K2O": 3.62,
      "MgO": 3.0,
      "CaO": 17.17,
      "BaO": 0.04,
      "P2O5": 3.82,
      "TiO2": 0.04,
      "MnO": 0.0,
      "Fe2O3": 1.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 18.79
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      {
        "material": "whiting",
        "amount": 16.4
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "talc",
        "amount": 8.68
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 6.46
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.21
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
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    "id": "317226",
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      "P2O5": 3.71,
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      "Fe2O3": 1.32,
      "LOI": 0.0
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    "ingredients": [
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        "material": "whiting",
        "amount": 15.82
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      {
        "material": "silica",
        "amount": 15.25
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 12.63
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "talc",
        "amount": 8.37
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
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    "id": "317228",
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      "BaO": 0.12,
      "P2O5": 3.61,
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      "MnO": 0.0,
      "Fe2O3": 1.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 18.35
      },
      {
        "material": "whiting",
        "amount": 15.28
      },
      {
        "material": "silica",
        "amount": 11.98
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 11.69
      },
      {
        "material": "talc",
        "amount": 8.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
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    ]
  },
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    "id": "317230",
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      "CaO": 15.76,
      "BaO": 0.16,
      "P2O5": 3.51,
      "TiO2": 0.14,
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      "Fe2O3": 1.38,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 23.76
      },
      {
        "material": "whiting",
        "amount": 14.77
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      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 11.3
      },
      {
        "material": "silica",
        "amount": 8.87
      },
      {
        "material": "talc",
        "amount": 7.82
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.19
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
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    "id": "317494",
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      "Fe2O3": 6.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.98
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 20.45
      },
      {
        "material": "whiting",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
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    "id": "317535",
    "chemical_composition": {
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      "SiO2": 58.78,
      "Al2O3": 8.96,
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      "Fe2O3": 6.42,
      "ZnO": 12.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.5
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "zinc oxide",
        "amount": 13.0
      },
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
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    ]
  },
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    "id": "317544",
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      "BaO": 0.05,
      "TiO2": 0.04,
      "MnO": 0.0,
      "Fe2O3": 0.1,
      "ZnO": 11.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.5
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 7.5
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "317545",
    "chemical_composition": {
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      "SiO2": 52.66,
      "Al2O3": 17.65,
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      "K2O": 2.87,
      "MgO": 0.07,
      "CaO": 9.58,
      "BaO": 0.05,
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      "MnO": 0.0,
      "Fe2O3": 0.09,
      "ZnO": 10.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 57.5
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.5
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "317546",
    "chemical_composition": {
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      "SiO2": 56.94,
      "Al2O3": 16.07,
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      "K2O": 2.61,
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      "CaO": 8.88,
      "BaO": 0.04,
      "TiO2": 0.04,
      "MnO": 0.0,
      "Fe2O3": 0.09,
      "ZnO": 9.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 52.5
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "whiting",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 6.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "317547",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.95,
      "Al2O3": 14.63,
      "Na2O": 5.05,
      "K2O": 2.37,
      "MgO": 0.05,
      "CaO": 8.19,
      "BaO": 0.04,
      "TiO2": 0.03,
      "MnO": 0.0,
      "Fe2O3": 0.08,
      "ZnO": 8.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "317548",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.98,
      "Al2O3": 13.46,
      "Na2O": 4.66,
      "K2O": 2.19,
      "MgO": 0.05,
      "CaO": 7.52,
      "BaO": 0.04,
      "TiO2": 0.03,
      "MnO": 0.0,
      "Fe2O3": 0.07,
      "ZnO": 8.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 44.5
      },
      {
        "material": "silica",
        "amount": 30.5
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "317952",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.3,
      "Al2O3": 9.29,
      "B2O3": 3.51,
      "Na2O": 2.39,
      "K2O": 3.03,
      "MgO": 0.39,
      "CaO": 9.17,
      "BaO": 0.06,
      "TiO2": 0.05,
      "MnO": 0.0,
      "Fe2O3": 0.95,
      "ZnO": 3.02,
      "SnO2": 0.84,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.54
      },
      {
        "material": "ferro frit 3134",
        "amount": 14.62
      },
      {
        "material": "whiting",
        "amount": 9.57
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 8.98
      },
      {
        "material": "bentonite",
        "amount": 3.03
      },
      {
        "material": "zinc oxide",
        "amount": 2.87
      },
      {
        "material": "dolomite",
        "amount": 1.36
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "tin oxide",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.78
      },
      {
        "material": "silicon carbide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 101.77
      }
    ]
  },
  {
    "id": "320030",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 11.31,
      "B2O3": 4.03,
      "Na2O": 3.27,
      "K2O": 0.39,
      "MgO": 4.82,
      "CaO": 10.25,
      "TiO2": 5.23,
      "MnO": 0.01,
      "MnO2": 3.32,
      "Fe2O3": 0.81,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 26.3
      },
      {
        "material": "silica",
        "amount": 21.5
      },
      {
        "material": "dolomite",
        "amount": 21.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
        "amount": 17.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.5
      },
      {
        "material": "manganese dioxide",
        "amount": 3.67
      },
      {
        "material": "cobalt oxide",
        "amount": 0.35
      },
      {
        "material": "total",
        "amount": 109.52
      }
    ]
  },
  {
    "id": "320051",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.19,
      "Al2O3": 12.54,
      "B2O3": 3.51,
      "Na2O": 3.15,
      "K2O": 1.04,
      "MgO": 0.15,
      "CaO": 14.16,
      "TiO2": 5.17,
      "Fe2O3": 0.3,
      "CoO": 0.53,
      "ZnO": 2.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "whiting",
        "amount": 18.5
      },
      {
        "material": "crecer frit 804 /2012",
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      },
      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "zinc oxide",
        "amount": 2.0
      },
      {
        "material": "alumina hidrate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      },
      {
        "material": "kaolin",
        "amount": 17.0
      }
    ]
  },
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    "id": "325770",
    "chemical_composition": {
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      "SiO2": 51.53,
      "Al2O3": 20.38,
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      "K2O": 1.34,
      "MgO": 3.93,
      "CaO": 8.42,
      "P2O5": 0.05,
      "TiO2": 1.35,
      "MnO": 0.13,
      "Fe2O3": 10.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "bentonite",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
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    "chemical_composition": {
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      "Al2O3": 20.59,
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      "K2O": 3.73,
      "MgO": 2.89,
      "CaO": 6.39,
      "P2O5": 0.05,
      "TiO2": 1.04,
      "MnO": 0.1,
      "Fe2O3": 7.81,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar 2024 (crecer) testing",
        "amount": 20.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
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    "id": "326604",
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      "SiO2": 62.36,
      "Al2O3": 31.21,
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      "K2O": 2.34,
      "MgO": 0.5,
      "CaO": 0.29,
      "TiO2": 1.57,
      "Fe2O3": 1.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 40.0
      },
      {
        "material": "goldart",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "sand",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "328228",
    "chemical_composition": {
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      "SiO2": 50.4,
      "Al2O3": 13.35,
      "B2O3": 2.2,
      "Na2O": 6.03,
      "K2O": 2.49,
      "MgO": 0.06,
      "CaO": 0.48,
      "SrO": 15.43,
      "BaO": 0.62,
      "TiO2": 5.08,
      "FeO": 0.01,
      "Fe2O3": 0.15,
      "CuO": 3.21,
      "ZnO": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 37.0
      },
      {
        "material": "strontium carbonate",
        "amount": 22.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 17.0
      },
      {
        "material": "ball clay",
        "amount": 9.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 8.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "329557",
    "chemical_composition": {
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      "SiO2": 58.2,
      "Al2O3": 13.65,
      "B2O3": 10.7,
      "Na2O": 4.63,
      "K2O": 2.21,
      "MgO": 1.47,
      "CaO": 8.48,
      "P2O5": 0.04,
      "TiO2": 0.25,
      "Fe2O3": 0.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.0
      },
      {
        "material": "gerstley borate",
        "amount": 35.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "336531",
    "chemical_composition": {
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      "SiO2": 54.11,
      "Al2O3": 14.69,
      "B2O3": 10.28,
      "Li2O": 0.34,
      "Na2O": 3.71,
      "K2O": 1.03,
      "MgO": 0.9,
      "CaO": 8.92,
      "SrO": 5.85,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.1,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 43.6
      },
      {
        "material": "pemco p-609 deprecated discontinued",
        "amount": 43.6
      },
      {
        "material": "ep kaolin",
        "amount": 12.8
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "336551",
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      "SiO2": 54.33,
      "Al2O3": 14.75,
      "B2O3": 9.81,
      "Li2O": 0.32,
      "Na2O": 4.39,
      "K2O": 0.13,
      "MgO": 0.89,
      "CaO": 8.96,
      "SrO": 5.9,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 39.47
      },
      {
        "material": "ep kaolin",
        "amount": 34.11
      },
      {
        "material": "silica",
        "amount": 14.71
      },
      {
        "material": "strontium carbonate",
        "amount": 7.71
      },
      {
        "material": "talc",
        "amount": 2.45
      },
      {
        "material": "whiting",
        "amount": 0.82
      },
      {
        "material": "lithium carbonate",
        "amount": 0.72
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "346017",
    "chemical_composition": {
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      "SiO2": 54.21,
      "Al2O3": 12.28,
      "B2O3": 12.69,
      "Li2O": 0.56,
      "Na2O": 3.72,
      "MgO": 1.02,
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      "SrO": 3.95,
      "BaO": 1.47,
      "TiO2": 0.0,
      "FeO": 0.02,
      "ZnO": 1.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "frit 3069p",
        "amount": 23.0
      },
      {
        "material": "kaolin",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 17.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "351788",
    "chemical_composition": {
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      "SiO2": 57.65,
      "Al2O3": 9.49,
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      "Na2O": 3.2,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
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      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "CoO": 0.64,
      "ZnO": 24.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "351790",
    "chemical_composition": {
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      "SiO2": 50.57,
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      "Na2O": 2.93,
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      "BaO": 32.45,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "MnO2": 0.95,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "351791",
    "chemical_composition": {
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      "MgO": 0.03,
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      "SrO": 33.1,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "CuO": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
        "amount": 85.5
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 902.0
      }
    ]
  },
  {
    "id": "351792",
    "chemical_composition": {
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      "Na2O": 3.01,
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      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.34,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Cr2O3": 0.78,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "351793",
    "chemical_composition": {
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      "SiO2": 52.54,
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      "K2O": 1.63,
      "MgO": 0.04,
      "CaO": 17.75,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "CuO": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
        "amount": 69.0
      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 602.0
      }
    ]
  },
  {
    "id": "351794",
    "chemical_composition": {
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      "SiO2": 67.0,
      "Al2O3": 13.01,
      "B2O3": 2.97,
      "Na2O": 2.86,
      "K2O": 1.12,
      "MgO": 0.03,
      "CaO": 12.21,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "CoO": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.2
      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "351800",
    "chemical_composition": {
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      "SiO2": 63.31,
      "Al2O3": 13.07,
      "B2O3": 4.19,
      "Na2O": 4.31,
      "K2O": 1.66,
      "MgO": 12.75,
      "CaO": 0.16,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CoO": 0.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "351801",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.71,
      "Al2O3": 20.36,
      "B2O3": 5.16,
      "Na2O": 5.02,
      "K2O": 1.95,
      "MgO": 14.56,
      "CaO": 1.19,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Cr2O3": 0.58,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "352024",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.59,
      "Al2O3": 10.92,
      "B2O3": 3.2,
      "Na2O": 3.05,
      "K2O": 1.17,
      "MgO": 0.02,
      "CaO": 5.39,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.13,
      "CuO": 0.82,
      "ZnO": 13.62,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.6
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.8
      },
      {
        "material": "ep kaolin",
        "amount": 13.9
      },
      {
        "material": "zinc oxide",
        "amount": 12.9
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "fusion frit f367",
        "amount": 7.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "352096",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.15,
      "Al2O3": 16.94,
      "B2O3": 4.14,
      "Na2O": 4.02,
      "K2O": 1.56,
      "MgO": 7.85,
      "CaO": 6.27,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Cr2O3": 0.69,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 26.5
      },
      {
        "material": "ep kaolin",
        "amount": 20.6
      },
      {
        "material": "silica",
        "amount": 16.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 9.5
      },
      {
        "material": "fusion frit f367",
        "amount": 9.4
      },
      {
        "material": "talc",
        "amount": 4.9
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "352101",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.12,
      "Al2O3": 10.65,
      "B2O3": 2.96,
      "Na2O": 2.88,
      "K2O": 1.11,
      "MgO": 0.03,
      "CaO": 5.79,
      "BaO": 17.08,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "MnO2": 1.15,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.9
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.7
      },
      {
        "material": "ep kaolin",
        "amount": 13.2
      },
      {
        "material": "whiting",
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      },
      {
        "material": "fusion frit f367",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
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      "Al2O3": 12.57,
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      "Na2O": 3.59,
      "K2O": 1.39,
      "MgO": 5.88,
      "CaO": 0.14,
      "SrO": 12.56,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.15,
      "CuO": 0.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 25.1
      },
      {
        "material": "silica",
        "amount": 20.6
      },
      {
        "material": "strontium carbonate",
        "amount": 16.3
      },
      {
        "material": "ep kaolin",
        "amount": 14.8
      },
      {
        "material": "talc",
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      },
      {
        "material": "fusion frit f367",
        "amount": 8.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
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    "id": "352257",
    "chemical_composition": {
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      "Al2O3": 15.4,
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      "Li2O": 0.33,
      "Na2O": 4.42,
      "MgO": 0.88,
      "CaO": 8.5,
      "SrO": 6.08,
      "BaO": 0.22,
      "TiO2": 0.18,
      "MnO": 0.0,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 40.25
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 33.0
      },
      {
        "material": "silica",
        "amount": 15.5
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "talc",
        "amount": 2.5
      },
      {
        "material": "lithium carbonate",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "352258",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.11,
      "Al2O3": 15.36,
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      "Na2O": 4.41,
      "MgO": 0.87,
      "CaO": 8.48,
      "SrO": 6.03,
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      "TiO2": 0.17,
      "MnO": 0.0,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 40.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 14.5
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "spodumene",
        "amount": 4.0
      },
      {
        "material": "talc",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "353857",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.18,
      "Al2O3": 30.34,
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      "Na2O": 1.03,
      "K2O": 3.15,
      "MgO": 0.31,
      "CaO": 1.76,
      "P2O5": 0.08,
      "TiO2": 0.87,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "hawthorne bond",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 28.0
      },
      {
        "material": "custer feldspar",
        "amount": 23.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 6.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "355493",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.42,
      "Al2O3": 19.36,
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      "CaO": 5.64,
      "P2O5": 0.07,
      "TiO2": 0.11,
      "Fe2O3": 0.25,
      "CuO": 1.54,
      "ZnO": 8.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.6
      },
      {
        "material": "ep kaolin",
        "amount": 23.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.4
      },
      {
        "material": "silica",
        "amount": 10.2
      },
      {
        "material": "whiting",
        "amount": 8.1
      },
      {
        "material": "zinc oxide",
        "amount": 6.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "356356",
    "chemical_composition": {
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      "SiO2": 53.21,
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      "BaO": 27.0,
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      "TiO2": 0.04,
      "Cr2O3": 0.81,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 29.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ferro frit 3134",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
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    "id": "356823",
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      "TiO2": 0.08,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 27.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "357185",
    "chemical_composition": {
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      "SiO2": 55.13,
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      "CaO": 2.7,
      "BaO": 21.48,
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      "TiO2": 0.08,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 25.3
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 18.8
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.8
      },
      {
        "material": "ferro frit 3134",
        "amount": 12.1
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "357186",
    "chemical_composition": {
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      "BaO": 20.0,
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      "TiO2": 0.07,
      "Fe2O3": 0.16,
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    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.9
      },
      {
        "material": "barium carbonate",
        "amount": 23.7
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 17.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "357187",
    "chemical_composition": {
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      "BaO": 18.72,
      "P2O5": 0.05,
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      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.3
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.5
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "357191",
    "chemical_composition": {
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      "SiO2": 60.26,
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      "CaO": 2.35,
      "BaO": 18.52,
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      "TiO2": 0.07,
      "Cr2O3": 1.07,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "barium carbonate",
        "amount": 22.3
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "357192",
    "chemical_composition": {
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      "BaO": 27.51,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.3
      },
      {
        "material": "silica",
        "amount": 22.7
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 15.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "357193",
    "chemical_composition": {
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      "SiO2": 52.37,
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      "MgO": 0.02,
      "CaO": 3.05,
      "BaO": 25.54,
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      "TiO2": 0.07,
      "Cr2O3": 0.55,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 25.4
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 13.8
      },
      {
        "material": "nepheline syenite a270",
        "amount": 13.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "357199",
    "chemical_composition": {
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      "SiO2": 55.44,
      "Al2O3": 10.92,
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      "Na2O": 2.7,
      "K2O": 0.87,
      "MgO": 0.02,
      "CaO": 2.83,
      "BaO": 23.56,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.76,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 18.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 13.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "357201",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.13,
      "Al2O3": 10.26,
      "B2O3": 2.52,
      "Na2O": 2.54,
      "K2O": 0.82,
      "MgO": 0.02,
      "CaO": 2.66,
      "BaO": 22.1,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 0.75,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 31.1
      },
      {
        "material": "barium carbonate",
        "amount": 26.4
      },
      {
        "material": "ferro frit 3124",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 12.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "357203",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.73,
      "Al2O3": 10.47,
      "B2O3": 3.41,
      "Na2O": 3.54,
      "K2O": 1.12,
      "MgO": 0.01,
      "CaO": 3.57,
      "BaO": 30.66,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Cr2O3": 0.33,
      "Fe2O3": 0.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 35.9
      },
      {
        "material": "ferro frit 3124",
        "amount": 22.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 17.3
      },
      {
        "material": "silica",
        "amount": 15.7
      },
      {
        "material": "ep kaolin",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
  {
    "id": "357204",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.92,
      "Al2O3": 9.86,
      "B2O3": 3.21,
      "Na2O": 3.32,
      "K2O": 1.05,
      "MgO": 0.01,
      "CaO": 3.36,
      "BaO": 28.79,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.33,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 33.9
      },
      {
        "material": "ferro frit 3124",
        "amount": 21.3
      },
      {
        "material": "silica",
        "amount": 20.3
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.3
      },
      {
        "material": "ep kaolin",
        "amount": 8.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
  {
    "id": "357205",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 9.29,
      "B2O3": 3.03,
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      "K2O": 1.0,
      "MgO": 0.01,
      "CaO": 3.17,
      "BaO": 27.21,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.33,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.2
      },
      {
        "material": "silica",
        "amount": 24.4
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 7.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 100.3
      }
    ]
  },
  {
    "id": "357206",
    "chemical_composition": {
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      "Al2O3": 9.27,
      "B2O3": 3.02,
      "Na2O": 3.13,
      "K2O": 0.99,
      "MgO": 0.01,
      "CaO": 3.17,
      "BaO": 27.15,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.54,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.2
      },
      {
        "material": "silica",
        "amount": 24.4
      },
      {
        "material": "ferro frit 3124",
        "amount": 20.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 7.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "357320",
    "chemical_composition": {
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      "SiO2": 57.07,
      "Al2O3": 13.33,
      "Na2O": 5.88,
      "K2O": 0.31,
      "MgO": 0.0,
      "CaO": 7.28,
      "BaO": 0.04,
      "TiO2": 4.83,
      "ZrO2": 1.43,
      "MnO": 0.03,
      "Fe2O3": 0.94,
      "ZnO": 8.0,
      "SnO2": 0.85,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 6.5
      },
      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "zircopax",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.78
      },
      {
        "material": "silicon carbide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 101.78
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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    "id": "357333",
    "chemical_composition": {
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      "Al2O3": 13.53,
      "Na2O": 5.96,
      "K2O": 0.31,
      "MgO": 0.0,
      "CaO": 7.38,
      "BaO": 0.04,
      "TiO2": 4.9,
      "MnO": 0.03,
      "Fe2O3": 0.96,
      "ZnO": 8.11,
      "SnO2": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 10.66
      },
      {
        "material": "zinc oxide",
        "amount": 7.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 6.5
      },
      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 98.66
      },
      {
        "material": "tin oxide",
        "amount": 0.8
      },
      {
        "material": "red iron oxide",
        "amount": 0.78
      },
      {
        "material": "silicon carbide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 100.44
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "358867",
    "chemical_composition": {
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      "Al2O3": 13.78,
      "B2O3": 1.94,
      "Na2O": 5.33,
      "K2O": 2.79,
      "MgO": 0.31,
      "CaO": 1.19,
      "TiO2": 0.08,
      "MnO2": 19.65,
      "Fe2O3": 0.2,
      "CoO": 0.46,
      "CuO": 4.52,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 44.5
      },
      {
        "material": "manganese dioxide",
        "amount": 21.5
      },
      {
        "material": "ravenscrag slip",
        "amount": 11.2
      },
      {
        "material": "silica",
        "amount": 9.5
      },
      {
        "material": "fusion frit f367",
        "amount": 4.8
      },
      {
        "material": "black copper oxide",
        "amount": 4.3
      },
      {
        "material": "ball clay",
        "amount": 3.5
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "359095",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.82,
      "Al2O3": 12.52,
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      "Na2O": 2.77,
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      "CaO": 14.74,
      "P2O5": 0.03,
      "TiO2": 11.15,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 29.0
      },
      {
        "material": "whiting",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "silica",
        "amount": 13.0
      },
      {
        "material": "minspar 200",
        "amount": 13.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.0
      },
      {
        "material": "silicon carbide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 114.5
      }
    ]
  },
  {
    "id": "361830",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.07,
      "Al2O3": 11.96,
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      "Na2O": 3.37,
      "K2O": 1.3,
      "MgO": 0.02,
      "CaO": 0.13,
      "SrO": 13.48,
      "BaO": 18.75,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "MnO2": 1.27,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 22.8
      },
      {
        "material": "barium carbonate",
        "amount": 21.5
      },
      {
        "material": "strontium carbonate",
        "amount": 17.1
      },
      {
        "material": "silica",
        "amount": 16.6
      },
      {
        "material": "ep kaolin",
        "amount": 14.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "361838",
    "chemical_composition": {
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      "SiO2": 49.18,
      "Al2O3": 12.24,
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      "Na2O": 3.37,
      "K2O": 1.3,
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      "CaO": 5.93,
      "BaO": 22.97,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 1.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 26.3
      },
      {
        "material": "nepheline syenite a270",
        "amount": 22.7
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.8
      },
      {
        "material": "whiting",
        "amount": 9.2
      },
      {
        "material": "fusion frit f367",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "361840",
    "chemical_composition": {
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      "SiO2": 60.51,
      "Al2O3": 11.33,
      "B2O3": 3.72,
      "Na2O": 3.75,
      "K2O": 1.43,
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      "CaO": 0.14,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.52,
      "Fe2O3": 0.13,
      "ZnO": 11.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.5
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "talc",
        "amount": 12.7
      },
      {
        "material": "ep kaolin",
        "amount": 11.5
      },
      {
        "material": "zinc oxide",
        "amount": 11.4
      },
      {
        "material": "fusion frit f367",
        "amount": 9.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 0.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "361841",
    "chemical_composition": {
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      "SiO2": 56.85,
      "Al2O3": 11.06,
      "B2O3": 3.16,
      "Na2O": 3.11,
      "K2O": 1.19,
      "MgO": 0.03,
      "CaO": 0.12,
      "SrO": 12.82,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.14,
      "CoO": 0.54,
      "ZnO": 10.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 29.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 22.0
      },
      {
        "material": "strontium carbonate",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 13.6
      },
      {
        "material": "zinc oxide",
        "amount": 10.2
      },
      {
        "material": "fusion frit f367",
        "amount": 7.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.8
      },
      {
        "material": "bentonite",
        "amount": 0.4
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
  {
    "id": "362059",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.97,
      "Al2O3": 11.09,
      "B2O3": 3.31,
      "Na2O": 3.24,
      "K2O": 1.24,
      "MgO": 0.03,
      "CaO": 3.96,
      "BaO": 26.44,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "CoO": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 30.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.9
      },
      {
        "material": "silica",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "fusion frit f367",
        "amount": 7.7
      },
      {
        "material": "whiting",
        "amount": 6.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "362067",
    "chemical_composition": {
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      "SiO2": 47.68,
      "Al2O3": 11.01,
      "B2O3": 3.26,
      "Na2O": 3.24,
      "K2O": 1.24,
      "MgO": 0.03,
      "CaO": 0.12,
      "SrO": 9.42,
      "BaO": 23.1,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 0.67,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 26.6
      },
      {
        "material": "nepheline syenite a270",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.5
      },
      {
        "material": "ep kaolin",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "fusion frit f367",
        "amount": 7.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.9
      }
    ]
  },
  {
    "id": "362096",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.1,
      "Al2O3": 15.47,
      "B2O3": 3.17,
      "Li2O": 2.9,
      "Na2O": 2.89,
      "K2O": 2.19,
      "MgO": 0.48,
      "CaO": 8.33,
      "P2O5": 0.04,
      "TiO2": 7.22,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 30.0
      },
      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
      },
      {
        "material": "alumina hydrate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 91.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 97.0
      }
    ]
  },
  {
    "id": "362260",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.72,
      "Al2O3": 15.24,
      "B2O3": 3.08,
      "Li2O": 3.75,
      "Na2O": 5.24,
      "K2O": 2.31,
      "MgO": 0.42,
      "CaO": 7.59,
      "P2O5": 0.04,
      "TiO2": 11.43,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 44.4
      },
      {
        "material": "silica",
        "amount": 15.6
      },
      {
        "material": "ep kaolin",
        "amount": 11.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.1
      },
      {
        "material": "lithium carbonate",
        "amount": 8.9
      },
      {
        "material": "whiting",
        "amount": 8.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 111.0
      },
      {
        "material": "ksa saratq 5",
        "amount": 1.0
      }
    ]
  },
  {
    "id": "362630",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 554.136
      },
      {
        "material": "calculated oxide weight",
        "amount": 523.658
      },
      {
        "material": "loi",
        "amount": 5.5
      }
    ]
  },
  {
    "id": "362638",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.2,
      "Al2O3": 19.47,
      "MgO": 0.63,
      "CaO": 4.23,
      "Fe2O3": 8.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total",
        "amount": 166.0
      }
    ]
  },
  {
    "id": "362639",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.08,
      "Al2O3": 17.76,
      "B2O3": 2.23,
      "Na2O": 0.99,
      "MgO": 0.57,
      "CaO": 5.73,
      "Fe2O3": 7.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 17.0
      },
      {
        "material": "total",
        "amount": 183.0
      }
    ]
  },
  {
    "id": "362640",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.34,
      "Al2O3": 16.36,
      "B2O3": 4.06,
      "Na2O": 1.81,
      "MgO": 0.52,
      "CaO": 6.95,
      "Fe2O3": 6.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 34.0
      },
      {
        "material": "total",
        "amount": 200.0
      }
    ]
  },
  {
    "id": "362641",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.89,
      "Al2O3": 15.18,
      "B2O3": 5.59,
      "Na2O": 2.49,
      "MgO": 0.48,
      "CaO": 7.98,
      "Fe2O3": 6.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 51.0
      },
      {
        "material": "total",
        "amount": 217.0
      }
    ]
  },
  {
    "id": "363283",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.3,
      "Al2O3": 15.7,
      "B2O3": 4.84,
      "Li2O": 0.61,
      "Na2O": 3.33,
      "K2O": 1.11,
      "MgO": 0.37,
      "CaO": 4.37,
      "SrO": 21.79,
      "P2O5": 0.09,
      "TiO2": 0.08,
      "MnO2": 0.01,
      "Fe2O3": 0.22,
      "CuO": 2.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 27.5
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "nepheline syenite",
        "amount": 16.7
      },
      {
        "material": "ferro frit 3124",
        "amount": 15.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.3
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "spodumene - canadian",
        "amount": 7.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "363284",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.6,
      "Al2O3": 16.01,
      "B2O3": 4.63,
      "Li2O": 0.58,
      "Na2O": 3.19,
      "K2O": 1.07,
      "MgO": 0.36,
      "CaO": 4.17,
      "SrO": 20.77,
      "P2O5": 0.09,
      "TiO2": 0.09,
      "MnO2": 0.0,
      "Fe2O3": 0.23,
      "CuO": 2.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
        "amount": 19.0
      },
      {
        "material": "nepheline syenite",
        "amount": 16.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 14.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "gerstley borate",
        "amount": 8.0
      },
      {
        "material": "spodumene - canadian",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "363495",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.79,
      "Al2O3": 9.18,
      "B2O3": 5.31,
      "Na2O": 4.81,
      "K2O": 1.04,
      "MgO": 0.08,
      "CaO": 8.95,
      "SrO": 0.03,
      "BaO": 1.49,
      "TiO2": 3.15,
      "Cr2O3": 0.97,
      "FeO": 0.02,
      "Fe2O3": 3.03,
      "ZnO": 1.15,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "ball clay",
        "amount": 26.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 20.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
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    "chemical_composition": {
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      "Al2O3": 11.43,
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      "Na2O": 3.76,
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      "MgO": 5.56,
      "CaO": 11.81,
      "TiO2": 0.08,
      "MnO": 0.01,
      "Fe2O3": 5.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico gc/f (crecer/2018)",
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      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "frita 174 (3134-2 ferro) /2012 - crecer",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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      "BaO": 27.06,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.65,
      "Fe2O3": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.1
      },
      {
        "material": "silica",
        "amount": 25.7
      },
      {
        "material": "nepheline syenite a270",
        "amount": 15.3
      },
      {
        "material": "ferro frit 3124",
        "amount": 14.7
      },
      {
        "material": "ep kaolin",
        "amount": 8.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 3.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
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    "id": "364217",
    "chemical_composition": {
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      "SiO2": 58.41,
      "Al2O3": 13.65,
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      "BaO": 0.04,
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      "MnO": 0.03,
      "Fe2O3": 0.97,
      "ZnO": 8.18,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "silica",
        "amount": 10.66
      },
      {
        "material": "zinc oxide",
        "amount": 7.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
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      },
      {
        "material": "titanium dioxide",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 98.66
      },
      {
        "material": "red iron oxide",
        "amount": 0.78
      },
      {
        "material": "silicon carbide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 99.64
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
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      "P2O5": 0.08,
      "TiO2": 0.29,
      "MnO2": 58.13,
      "Fe2O3": 1.66,
      "CuO": 11.15,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 60.0
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "black copper oxide",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "368147",
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      "SiO2": 4.53,
      "Al2O3": 3.49,
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      "MgO": 0.03,
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      "MnO2": 82.21,
      "Fe2O3": 0.07,
      "CuO": 9.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 10.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 120.0
      }
    ]
  },
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    "id": "368661",
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        "material": "nepheline syenite a270",
        "amount": 29.1
      },
      {
        "material": "ferro frit 3134",
        "amount": 26.5
      },
      {
        "material": "whiting",
        "amount": 22.8
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "titanium dioxide",
        "amount": 8.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "ferro frit 3134",
        "amount": 23.9
      },
      {
        "material": "silica",
        "amount": 22.1
      },
      {
        "material": "whiting",
        "amount": 20.5
      },
      {
        "material": "titanium dioxide",
        "amount": 7.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 102.0
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    ]
  },
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    "id": "368663",
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    "ingredients": [
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        "material": "silica",
        "amount": 29.1
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "whiting",
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      {
        "material": "titanium dioxide",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 102.0
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    ]
  },
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    "id": "368664",
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        "material": "silica",
        "amount": 35.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
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      {
        "material": "whiting",
        "amount": 17.1
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      {
        "material": "titanium dioxide",
        "amount": 6.1
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "368666",
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        "material": "ferro frit 3124",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      {
        "material": "titanium dioxide",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "368667",
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        "material": "ferro frit 3124",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      {
        "material": "silica",
        "amount": 9.8
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 101.0
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    ]
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    "id": "368668",
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        "material": "ferro frit 3124",
        "amount": 35.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "silica",
        "amount": 17.9
      },
      {
        "material": "whiting",
        "amount": 16.9
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "titanium dioxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
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    ]
  },
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    "id": "368669",
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    "ingredients": [
      {
        "material": "ferro frit 3124",
        "amount": 32.3
      },
      {
        "material": "silica",
        "amount": 24.7
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.1
      },
      {
        "material": "whiting",
        "amount": 15.5
      },
      {
        "material": "ep kaolin",
        "amount": 4.7
      },
      {
        "material": "titanium dioxide",
        "amount": 2.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "368670",
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 26.8
      },
      {
        "material": "ep kaolin",
        "amount": 26.2
      },
      {
        "material": "ferro frit 3134",
        "amount": 24.4
      },
      {
        "material": "whiting",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 1.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "368671",
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      "TiO2": 0.1,
      "Fe2O3": 0.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 24.3
      },
      {
        "material": "ep kaolin",
        "amount": 23.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 22.1
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "silica",
        "amount": 10.9
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "368672",
    "chemical_composition": {
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      "SiO2": 57.26,
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      "K2O": 1.29,
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      "TiO2": 0.09,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 22.2
      },
      {
        "material": "ep kaolin",
        "amount": 21.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 20.2
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "whiting",
        "amount": 17.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "368673",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.1,
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      "K2O": 1.18,
      "MgO": 0.03,
      "CaO": 14.14,
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      "TiO2": 0.08,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.1
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.4
      },
      {
        "material": "ep kaolin",
        "amount": 19.9
      },
      {
        "material": "ferro frit 3134",
        "amount": 18.6
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "376600",
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      "Al2O3": 11.39,
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      "K2O": 1.84,
      "MgO": 6.95,
      "CaO": 6.93,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 1.07,
      "Fe2O3": 0.16,
      "CoO": 0.68,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.6
      },
      {
        "material": "minspar 200",
        "amount": 25.6
      },
      {
        "material": "dolomite",
        "amount": 19.02
      },
      {
        "material": "nepheline syenite a270",
        "amount": 12.77
      },
      {
        "material": "ep kaolin",
        "amount": 6.58
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.75
      },
      {
        "material": "whiting",
        "amount": 0.36
      },
      {
        "material": "total base recipe",
        "amount": 102.68
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.68
      }
    ]
  },
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    "id": "376822",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 17.78,
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      "K2O": 5.07,
      "MgO": 1.3,
      "CaO": 14.05,
      "P2O5": 1.88,
      "TiO2": 0.09,
      "ZrO2": 4.07,
      "Fe2O3": 6.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 49.29
      },
      {
        "material": "ep kaolin",
        "amount": 23.68
      },
      {
        "material": "whiting",
        "amount": 17.21
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      {
        "material": "dolomite",
        "amount": 5.57
      },
      {
        "material": "bone ash",
        "amount": 4.25
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "zircopax",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 114.0
      },
      {
        "material": "celsius fahrenheit total 14",
        "amount": 6.0
      }
    ]
  },
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    "id": "380802",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.46,
      "Al2O3": 15.92,
      "B2O3": 5.43,
      "Na2O": 1.21,
      "K2O": 0.38,
      "MgO": 1.26,
      "CaO": 27.46,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Fe2O3": 0.38,
      "CuO": 4.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 33.42
      },
      {
        "material": "ep kaolin",
        "amount": 20.17
      },
      {
        "material": "gerstley borate",
        "amount": 16.71
      },
      {
        "material": "silica",
        "amount": 15.1
      },
      {
        "material": "calcined kaolin",
        "amount": 9.18
      },
      {
        "material": "minspar 200",
        "amount": 3.67
      },
      {
        "material": "dolomite",
        "amount": 1.75
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.5
      },
      {
        "material": "bentonite",
        "amount": 2.6
      },
      {
        "material": "total",
        "amount": 108.1
      }
    ]
  },
  {
    "id": "390801",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.75,
      "Al2O3": 13.87,
      "B2O3": 2.62,
      "Na2O": 4.52,
      "K2O": 2.66,
      "MgO": 0.88,
      "CaO": 11.4,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "ZnO": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 56.85
      },
      {
        "material": "silica",
        "amount": 13.74
      },
      {
        "material": "whiting",
        "amount": 13.7
      },
      {
        "material": "gerstley borate",
        "amount": 8.8
      },
      {
        "material": "ep kaolin",
        "amount": 4.9
      },
      {
        "material": "zinc oxide",
        "amount": 1.01
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "392279",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 41.92,
      "Al2O3": 14.18,
      "B2O3": 1.51,
      "Li2O": 1.49,
      "Na2O": 1.28,
      "K2O": 3.53,
      "MgO": 0.21,
      "CaO": 8.61,
      "BaO": 9.43,
      "P2O5": 0.03,
      "TiO2": 15.43,
      "Fe2O3": 1.92,
      "ZnO": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 36.81
      },
      {
        "material": "spodumene",
        "amount": 19.68
      },
      {
        "material": "whiting",
        "amount": 13.93
      },
      {
        "material": "barium carbonate",
        "amount": 12.84
      },
      {
        "material": "ep kaolin",
        "amount": 8.77
      },
      {
        "material": "gerstley borate",
        "amount": 5.97
      },
      {
        "material": "silica",
        "amount": 1.5
      },
      {
        "material": "zinc oxide",
        "amount": 0.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 16.28
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 118.28
      }
    ]
  },
  {
    "id": "393638",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.98,
      "Al2O3": 17.88,
      "Li2O": 1.15,
      "Na2O": 3.13,
      "K2O": 2.01,
      "MgO": 5.24,
      "CaO": 8.02,
      "BaO": 12.37,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 40.79
      },
      {
        "material": "dolomite",
        "amount": 20.39
      },
      {
        "material": "barium carbonate",
        "amount": 13.6
      },
      {
        "material": "spodumene",
        "amount": 12.24
      },
      {
        "material": "ep kaolin",
        "amount": 11.62
      },
      {
        "material": "silica",
        "amount": 1.36
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "394165",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.52,
      "Al2O3": 13.19,
      "Na2O": 0.85,
      "K2O": 2.85,
      "MgO": 1.82,
      "CaO": 8.98,
      "P2O5": 0.06,
      "TiO2": 0.66,
      "MnO2": 8.98,
      "Fe2O3": 5.68,
      "CoO": 0.45,
      "CuO": 0.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 28.85
      },
      {
        "material": "silica",
        "amount": 27.21
      },
      {
        "material": "ep kaolin",
        "amount": 23.61
      },
      {
        "material": "whiting",
        "amount": 11.8
      },
      {
        "material": "dolomite",
        "amount": 8.52
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "manganese dioxide",
        "amount": 10.75
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "titanium dioxide",
        "amount": 0.6
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 118.84
      }
    ]
  },
  {
    "id": "399647",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.25,
      "Al2O3": 20.63,
      "B2O3": 0.49,
      "Na2O": 1.78,
      "K2O": 5.72,
      "MgO": 5.92,
      "CaO": 11.81,
      "P2O5": 0.08,
      "TiO2": 0.11,
      "Cr2O3": 0.36,
      "Fe2O3": 0.29,
      "CoO": 0.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.4
      },
      {
        "material": "ep kaolin",
        "amount": 24.5
      },
      {
        "material": "dolomite",
        "amount": 22.0
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "gerstley borate",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 99.8
      }
    ]
  },
  {
    "id": "399679",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.93,
      "Al2O3": 10.78,
      "Na2O": 1.04,
      "K2O": 3.49,
      "MgO": 2.78,
      "CaO": 14.52,
      "P2O5": 0.53,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CuO": 3.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 32.75
      },
      {
        "material": "silica",
        "amount": 31.6
      },
      {
        "material": "whiting",
        "amount": 16.75
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "dolomite",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 1.1
      },
      {
        "material": "total base recipe",
        "amount": 106.7
      },
      {
        "material": "copper carbonate",
        "amount": 5.5
      },
      {
        "material": "total",
        "amount": 112.2
      }
    ]
  },
  {
    "id": "401319",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.35,
      "Al2O3": 15.13,
      "Li2O": 1.41,
      "Na2O": 3.48,
      "K2O": 2.16,
      "MgO": 6.25,
      "CaO": 12.06,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 45.95
      },
      {
        "material": "dolomite",
        "amount": 25.07
      },
      {
        "material": "spodumene",
        "amount": 15.67
      },
      {
        "material": "silica",
        "amount": 9.14
      },
      {
        "material": "whiting",
        "amount": 4.18
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "stain",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.01
      }
    ]
  },
  {
    "id": "402444",
    "chemical_composition": {
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      "SiO2": 50.68,
      "Al2O3": 21.89,
      "B2O3": 3.58,
      "Na2O": 2.86,
      "K2O": 4.61,
      "MgO": 2.43,
      "CaO": 10.46,
      "SrO": 3.21,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.64
      },
      {
        "material": "calcined kaolin",
        "amount": 15.84
      },
      {
        "material": "gerstley borate",
        "amount": 11.55
      },
      {
        "material": "ep kaolin",
        "amount": 9.31
      },
      {
        "material": "nepheline syenite a270",
        "amount": 9.31
      },
      {
        "material": "dolomite",
        "amount": 7.69
      },
      {
        "material": "whiting",
        "amount": 7.69
      },
      {
        "material": "strontium carbonate",
        "amount": 3.96
      },
      {
        "material": "total",
        "amount": 99.99
      }
    ]
  },
  {
    "id": "402785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.55,
      "Al2O3": 11.88,
      "B2O3": 3.36,
      "Na2O": 1.95,
      "K2O": 4.89,
      "MgO": 0.45,
      "CaO": 2.59,
      "BaO": 21.08,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 42.99
      },
      {
        "material": "barium carbonate",
        "amount": 24.3
      },
      {
        "material": "silica",
        "amount": 12.9
      },
      {
        "material": "gerstley borate",
        "amount": 11.21
      },
      {
        "material": "ep kaolin",
        "amount": 8.6
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "403302",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.83,
      "Al2O3": 12.36,
      "B2O3": 1.26,
      "Na2O": 1.7,
      "K2O": 5.08,
      "MgO": 0.17,
      "CaO": 2.3,
      "BaO": 22.08,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.42
      },
      {
        "material": "barium carbonate",
        "amount": 25.68
      },
      {
        "material": "silica",
        "amount": 13.63
      },
      {
        "material": "ep kaolin",
        "amount": 9.09
      },
      {
        "material": "gerstley borate",
        "amount": 4.23
      },
      {
        "material": "whiting",
        "amount": 1.96
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "403750",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.97,
      "Al2O3": 17.32,
      "Na2O": 6.24,
      "K2O": 2.92,
      "MgO": 5.62,
      "CaO": 10.08,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "ZrO2": 5.59,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 56.83
      },
      {
        "material": "dolomite",
        "amount": 21.19
      },
      {
        "material": "silica",
        "amount": 8.15
      },
      {
        "material": "ep kaolin",
        "amount": 7.09
      },
      {
        "material": "whiting",
        "amount": 5.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.44
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "404819",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.01,
      "Al2O3": 15.54,
      "B2O3": 3.97,
      "Na2O": 3.2,
      "K2O": 2.75,
      "MgO": 2.65,
      "CaO": 6.91,
      "P2O5": 0.04,
      "TiO2": 5.97,
      "MnO2": 7.14,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 24.08
      },
      {
        "material": "gerstley borate",
        "amount": 18.06
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.86
      },
      {
        "material": "ep kaolin",
        "amount": 13.56
      },
      {
        "material": "calcined kaolin",
        "amount": 12.21
      },
      {
        "material": "dolomite",
        "amount": 11.75
      },
      {
        "material": "whiting",
        "amount": 2.08
      },
      {
        "material": "soda ash",
        "amount": 1.38
      },
      {
        "material": "total base recipe",
        "amount": 99.98
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "manganese dioxide",
        "amount": 10.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 137.98
      }
    ]
  },
  {
    "id": "405082",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.67,
      "Al2O3": 12.64,
      "B2O3": 2.46,
      "Na2O": 3.21,
      "K2O": 4.69,
      "MgO": 1.42,
      "CaO": 9.99,
      "BaO": 3.65,
      "P2O5": 0.42,
      "TiO2": 0.03,
      "Fe2O3": 0.23,
      "CuO": 6.6,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 37.68
      },
      {
        "material": "nepheline syenite a270",
        "amount": 14.88
      },
      {
        "material": "silica",
        "amount": 13.35
      },
      {
        "material": "whiting",
        "amount": 10.51
      },
      {
        "material": "gerstley borate",
        "amount": 8.94
      },
      {
        "material": "barium carbonate",
        "amount": 4.58
      },
      {
        "material": "dolomite",
        "amount": 4.58
      },
      {
        "material": "ep kaolin",
        "amount": 4.58
      },
      {
        "material": "bone ash",
        "amount": 0.91
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "copper carbonate",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 113.01
      }
    ]
  },
  {
    "id": "421084",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 40.24,
      "Al2O3": 10.79,
      "Na2O": 1.67,
      "K2O": 5.56,
      "MgO": 4.6,
      "CaO": 18.25,
      "P2O5": 8.88,
      "TiO2": 4.76,
      "Fe2O3": 5.24,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 54.44
      },
      {
        "material": "bone ash",
        "amount": 20.6
      },
      {
        "material": "dolomite",
        "amount": 20.6
      },
      {
        "material": "rutile",
        "amount": 5.17
      },
      {
        "material": "yellow iron oxide",
        "amount": 5.17
      },
      {
        "material": "ball clay",
        "amount": 2.18
      },
      {
        "material": "ep kaolin",
        "amount": 2.18
      },
      {
        "material": "total",
        "amount": 110.34
      }
    ]
  },
  {
    "id": "424010",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.35,
      "Al2O3": 18.12,
      "B2O3": 4.78,
      "Na2O": 3.49,
      "K2O": 1.42,
      "MgO": 0.66,
      "CaO": 12.07,
      "P2O5": 0.05,
      "TiO2": 4.93,
      "Cr2O3": 0.22,
      "Fe2O3": 0.73,
      "CoO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 26.18
      },
      {
        "material": "silica",
        "amount": 18.45
      },
      {
        "material": "gerstley borate",
        "amount": 16.49
      },
      {
        "material": "whiting",
        "amount": 13.84
      },
      {
        "material": "calcined kaolin",
        "amount": 13.49
      },
      {
        "material": "ep kaolin",
        "amount": 11.53
      },
      {
        "material": "total base recipe",
        "amount": 99.98
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.27
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 105.45
      }
    ]
  },
  {
    "id": "424423",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.12,
      "Al2O3": 18.32,
      "Na2O": 4.61,
      "K2O": 2.16,
      "MgO": 2.56,
      "CaO": 12.18,
      "Fe2O3": 0.05,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 41.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "kaolin",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 13.0
      },
      {
        "material": "dolomite",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "424978",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.39,
      "Al2O3": 14.95,
      "B2O3": 3.15,
      "Na2O": 4.17,
      "K2O": 1.41,
      "MgO": 0.43,
      "CaO": 7.09,
      "BaO": 14.31,
      "P2O5": 0.04,
      "TiO2": 4.58,
      "Fe2O3": 0.64,
      "ZnO": 0.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 27.09
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "barium carbonate",
        "amount": 18.28
      },
      {
        "material": "gerstley borate",
        "amount": 11.65
      },
      {
        "material": "calcined kaolin",
        "amount": 10.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 8.29
      },
      {
        "material": "soda ash",
        "amount": 1.69
      },
      {
        "material": "zinc oxide",
        "amount": 0.85
      },
      {
        "material": "total base recipe",
        "amount": 107.85
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 112.85
      }
    ]
  },
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    "id": "425197",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.45,
      "Al2O3": 17.88,
      "B2O3": 3.35,
      "Na2O": 4.43,
      "K2O": 1.5,
      "MgO": 0.45,
      "CaO": 7.54,
      "BaO": 15.21,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.16,
      "ZnO": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 25.12
      },
      {
        "material": "barium carbonate",
        "amount": 16.95
      },
      {
        "material": "silica",
        "amount": 13.91
      },
      {
        "material": "calcined kaolin",
        "amount": 12.42
      },
      {
        "material": "gerstley borate",
        "amount": 10.8
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.69
      },
      {
        "material": "soda ash",
        "amount": 1.57
      },
      {
        "material": "zinc oxide",
        "amount": 0.79
      },
      {
        "material": "total base recipe",
        "amount": 99.25
      },
      {
        "material": "mason 6600 black stain",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "425199",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.53,
      "Al2O3": 17.57,
      "B2O3": 3.23,
      "Na2O": 4.3,
      "K2O": 1.51,
      "MgO": 0.46,
      "CaO": 7.32,
      "BaO": 14.7,
      "P2O5": 0.09,
      "TiO2": 0.12,
      "Fe2O3": 0.29,
      "ZnO": 0.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 24.81
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.01
      },
      {
        "material": "barium carbonate",
        "amount": 16.2
      },
      {
        "material": "silica",
        "amount": 15.06
      },
      {
        "material": "gerstley borate",
        "amount": 10.32
      },
      {
        "material": "whiting",
        "amount": 7.35
      },
      {
        "material": "soda ash",
        "amount": 1.5
      },
      {
        "material": "zinc oxide",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "425785",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.49,
      "Al2O3": 19.82,
      "B2O3": 4.67,
      "Na2O": 2.03,
      "K2O": 4.45,
      "MgO": 5.25,
      "CaO": 10.47,
      "P2O5": 0.1,
      "TiO2": 0.14,
      "Cr2O3": 0.36,
      "Fe2O3": 0.4,
      "CoO": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.89
      },
      {
        "material": "ep kaolin",
        "amount": 27.48
      },
      {
        "material": "dolomite",
        "amount": 17.64
      },
      {
        "material": "gerstley borate",
        "amount": 14.69
      },
      {
        "material": "silica",
        "amount": 3.52
      },
      {
        "material": "whiting",
        "amount": 0.78
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.75
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 102.05
      }
    ]
  },
  {
    "id": "426976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.68,
      "Al2O3": 17.17,
      "Na2O": 2.69,
      "K2O": 3.3,
      "MgO": 0.03,
      "CaO": 9.83,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Cr2O3": 0.2,
      "Fe2O3": 1.96,
      "ZnO": 9.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ep kaolin",
        "amount": 23.05
      },
      {
        "material": "custer feldspar",
        "amount": 22.46
      },
      {
        "material": "wollastonite",
        "amount": 19.61
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.74
      },
      {
        "material": "zinc oxide",
        "amount": 9.81
      },
      {
        "material": "silica",
        "amount": 6.32
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 1.8
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 101.99
      }
    ]
  },
  {
    "id": "430651",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.61,
      "Al2O3": 14.66,
      "B2O3": 4.5,
      "Na2O": 5.71,
      "K2O": 1.18,
      "MgO": 2.94,
      "CaO": 6.12,
      "SrO": 0.02,
      "BaO": 1.26,
      "TiO2": 3.68,
      "FeO": 0.02,
      "Fe2O3": 2.37,
      "CoO": 0.95,
      "ZnO": 0.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "kaolin",
        "amount": 21.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 16.0
      },
      {
        "material": "dolomite",
        "amount": 13.0
      },
      {
        "material": "wollastonite",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "atmospheres oxidation 0",
        "amount": 0.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "431497",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.53,
      "Al2O3": 19.37,
      "B2O3": 3.72,
      "Na2O": 3.17,
      "K2O": 4.04,
      "MgO": 4.45,
      "CaO": 4.55,
      "SrO": 3.01,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.92,
      "CoO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.35
      },
      {
        "material": "calcined kaolin",
        "amount": 21.71
      },
      {
        "material": "gerstley borate",
        "amount": 12.36
      },
      {
        "material": "silica",
        "amount": 11.11
      },
      {
        "material": "dolomite",
        "amount": 5.05
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.05
      },
      {
        "material": "strontium carbonate",
        "amount": 3.82
      },
      {
        "material": "ep kaolin",
        "amount": 3.03
      },
      {
        "material": "soda ash",
        "amount": 2.52
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "431597",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.91,
      "Al2O3": 10.29,
      "B2O3": 3.47,
      "Na2O": 4.21,
      "K2O": 1.07,
      "MgO": 0.09,
      "CaO": 14.65,
      "SrO": 0.05,
      "BaO": 0.08,
      "P2O5": 0.03,
      "TiO2": 0.09,
      "ZrO2": 0.08,
      "MnO": 0.01,
      "Fe2O3": 1.01,
      "CuO": 1.93,
      "ZnO": 0.02,
      "PbO": 0.0,
      "As2O3": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar 2024 (crecer) testing",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "whiting 2024 (crecer) testing",
        "amount": 18.0
      },
      {
        "material": "frita 174 - 2024/crecer testing",
        "amount": 16.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 11.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.8
      },
      {
        "material": "yellow iron oxide",
        "amount": 0.8
      },
      {
        "material": "total",
        "amount": 102.6
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "433064",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 42.64,
      "Al2O3": 18.51,
      "Na2O": 2.55,
      "K2O": 8.38,
      "MgO": 1.52,
      "CaO": 17.32,
      "P2O5": 3.13,
      "TiO2": 0.13,
      "Fe2O3": 2.23,
      "CuO": 3.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 30.0
      },
      {
        "material": "wood ash",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "433070",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.13,
      "Al2O3": 35.8,
      "Na2O": 0.47,
      "K2O": 2.07,
      "MgO": 0.5,
      "CaO": 0.31,
      "TiO2": 1.63,
      "Fe2O3": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 30.0
      },
      {
        "material": "hawthorne bond",
        "amount": 30.0
      },
      {
        "material": "goldart",
        "amount": 20.0
      },
      {
        "material": "custer feldspar",
        "amount": 10.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "grog",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "433071",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 71.83,
      "Al2O3": 22.12,
      "Na2O": 0.42,
      "K2O": 3.9,
      "MgO": 0.27,
      "CaO": 0.26,
      "TiO2": 0.66,
      "Fe2O3": 0.53,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "tile #6 kaolin",
        "amount": 25.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 25.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "sand",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "436904",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.57,
      "Al2O3": 16.61,
      "Na2O": 1.55,
      "K2O": 4.99,
      "MgO": 4.06,
      "CaO": 8.05,
      "TiO2": 0.44,
      "ZrO2": 10.69,
      "Fe2O3": 2.05,
      "SnO2": 1.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 54.38
      },
      {
        "material": "kaolin",
        "amount": 21.1
      },
      {
        "material": "dolomite",
        "amount": 20.05
      },
      {
        "material": "whiting",
        "amount": 4.47
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "superpax",
        "amount": 17.39
      },
      {
        "material": "bentonite",
        "amount": 2.17
      },
      {
        "material": "red iron oxide",
        "amount": 2.17
      },
      {
        "material": "tin oxide",
        "amount": 2.17
      },
      {
        "material": "rutile",
        "amount": 0.54
      },
      {
        "material": "total",
        "amount": 124.44
      }
    ]
  },
  {
    "id": "437205",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.11,
      "Al2O3": 10.68,
      "B2O3": 3.3,
      "Li2O": 0.8,
      "Na2O": 2.55,
      "K2O": 2.11,
      "MgO": 0.81,
      "CaO": 10.09,
      "SrO": 0.02,
      "BaO": 0.93,
      "P2O5": 0.11,
      "TiO2": 0.56,
      "FeO": 3.23,
      "ZnO": 0.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 48.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 12.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "spodumene",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "437208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.1,
      "Al2O3": 11.99,
      "B2O3": 5.84,
      "Li2O": 0.89,
      "Na2O": 4.21,
      "K2O": 1.01,
      "MgO": 0.19,
      "CaO": 0.56,
      "SrO": 0.03,
      "BaO": 1.64,
      "P2O5": 0.03,
      "TiO2": 0.13,
      "FeO": 0.77,
      "Fe2O3": 0.21,
      "ZnO": 12.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 21.0
      },
      {
        "material": "kaolin e",
        "amount": 19.0
      },
      {
        "material": "spodumene",
        "amount": 11.0
      },
      {
        "material": "zinc oxide",
        "amount": 11.0
      },
      {
        "material": "odenwalder clay",
        "amount": 11.0
      },
      {
        "material": "total",
        "amount": 101.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "440373",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.14,
      "Al2O3": 20.13,
      "Na2O": 3.46,
      "K2O": 2.35,
      "MgO": 1.32,
      "CaO": 14.24,
      "P2O5": 1.31,
      "TiO2": 3.7,
      "Fe2O3": 4.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 50.51
      },
      {
        "material": "kaolin",
        "amount": 24.44
      },
      {
        "material": "whiting",
        "amount": 18.11
      },
      {
        "material": "dolomite",
        "amount": 4.07
      },
      {
        "material": "custer feldspar",
        "amount": 2.04
      },
      {
        "material": "magnesium carbonate",
        "amount": 0.82
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "bone ash",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 110.99
      }
    ]
  },
  {
    "id": "444434",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.13,
      "Al2O3": 29.55,
      "Na2O": 0.54,
      "K2O": 0.74,
      "MgO": 0.43,
      "CaO": 0.46,
      "P2O5": 0.02,
      "TiO2": 1.51,
      "Fe2O3": 2.61,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ap green fireclay",
        "amount": 58.44
      },
      {
        "material": "cedar height stoneware",
        "amount": 32.47
      },
      {
        "material": "redart",
        "amount": 9.09
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "445937",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.02,
      "Al2O3": 16.08,
      "B2O3": 2.64,
      "Na2O": 3.5,
      "K2O": 1.18,
      "MgO": 0.36,
      "CaO": 5.96,
      "BaO": 12.03,
      "P2O5": 0.03,
      "TiO2": 4.82,
      "Fe2O3": 0.65,
      "ZnO": 0.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 22.74
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.61
      },
      {
        "material": "calcined kaolin",
        "amount": 15.16
      },
      {
        "material": "barium carbonate",
        "amount": 14.58
      },
      {
        "material": "gerstley borate",
        "amount": 9.29
      },
      {
        "material": "ep kaolin",
        "amount": 7.98
      },
      {
        "material": "whiting",
        "amount": 6.61
      },
      {
        "material": "soda ash",
        "amount": 1.35
      },
      {
        "material": "zinc oxide",
        "amount": 0.68
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "445938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.24,
      "Al2O3": 20.02,
      "B2O3": 2.56,
      "Na2O": 3.39,
      "K2O": 1.15,
      "MgO": 0.35,
      "CaO": 5.77,
      "BaO": 11.64,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.12,
      "ZnO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "calcined kaolin",
        "amount": 22.28
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.95
      },
      {
        "material": "silica",
        "amount": 19.78
      },
      {
        "material": "barium carbonate",
        "amount": 13.47
      },
      {
        "material": "gerstley borate",
        "amount": 8.58
      },
      {
        "material": "ep kaolin",
        "amount": 7.95
      },
      {
        "material": "whiting",
        "amount": 6.11
      },
      {
        "material": "soda ash",
        "amount": 1.25
      },
      {
        "material": "zinc oxide",
        "amount": 0.62
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "mason 6600 black stain",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.74
      }
    ]
  },
  {
    "id": "445939",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.65,
      "Al2O3": 19.06,
      "B2O3": 2.91,
      "Na2O": 3.86,
      "K2O": 1.3,
      "MgO": 0.4,
      "CaO": 6.57,
      "BaO": 13.24,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.14,
      "ZnO": 0.79,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 22.39
      },
      {
        "material": "calcined kaolin",
        "amount": 17.83
      },
      {
        "material": "silica",
        "amount": 17.16
      },
      {
        "material": "barium carbonate",
        "amount": 15.11
      },
      {
        "material": "gerstley borate",
        "amount": 9.63
      },
      {
        "material": "ep kaolin",
        "amount": 8.92
      },
      {
        "material": "whiting",
        "amount": 6.86
      },
      {
        "material": "soda ash",
        "amount": 1.4
      },
      {
        "material": "zinc oxide",
        "amount": 0.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "mason 6600 black stain",
        "amount": 0.75
      },
      {
        "material": "total",
        "amount": 100.75
      }
    ]
  },
  {
    "id": "445942",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.7,
      "Al2O3": 16.9,
      "B2O3": 2.3,
      "Na2O": 3.05,
      "K2O": 1.03,
      "MgO": 0.31,
      "CaO": 5.19,
      "BaO": 10.48,
      "P2O5": 0.03,
      "TiO2": 4.75,
      "Fe2O3": 0.63,
      "ZnO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 25.77
      },
      {
        "material": "calcined kaolin",
        "amount": 19.42
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.07
      },
      {
        "material": "barium carbonate",
        "amount": 12.87
      },
      {
        "material": "gerstley borate",
        "amount": 8.2
      },
      {
        "material": "ep kaolin",
        "amount": 7.04
      },
      {
        "material": "whiting",
        "amount": 5.83
      },
      {
        "material": "soda ash",
        "amount": 1.19
      },
      {
        "material": "zinc oxide",
        "amount": 0.6
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 104.99
      }
    ]
  },
  {
    "id": "448015",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.34,
      "Al2O3": 16.14,
      "B2O3": 2.39,
      "Na2O": 1.71,
      "K2O": 4.58,
      "MgO": 3.13,
      "CaO": 9.74,
      "P2O5": 0.07,
      "TiO2": 6.64,
      "Fe2O3": 0.25,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.94
      },
      {
        "material": "ep kaolin",
        "amount": 20.74
      },
      {
        "material": "silica",
        "amount": 11.99
      },
      {
        "material": "dolomite",
        "amount": 11.7
      },
      {
        "material": "gerstley borate",
        "amount": 8.19
      },
      {
        "material": "whiting",
        "amount": 6.44
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "452972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.2,
      "Al2O3": 19.59,
      "B2O3": 1.52,
      "Na2O": 1.77,
      "K2O": 5.17,
      "MgO": 0.2,
      "CaO": 10.74,
      "P2O5": 0.01,
      "TiO2": 2.91,
      "Fe2O3": 0.39,
      "CoO": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 47.93
      },
      {
        "material": "whiting",
        "amount": 15.74
      },
      {
        "material": "calcined kaolin",
        "amount": 11.64
      },
      {
        "material": "kaolin",
        "amount": 11.64
      },
      {
        "material": "silica",
        "amount": 7.8
      },
      {
        "material": "gerstley borate",
        "amount": 5.26
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.51
      }
    ]
  },
  {
    "id": "454828",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.3,
      "Al2O3": 18.38,
      "Na2O": 1.63,
      "K2O": 5.28,
      "MgO": 1.32,
      "CaO": 13.62,
      "P2O5": 1.33,
      "TiO2": 3.67,
      "Fe2O3": 4.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 50.6
      },
      {
        "material": "ep kaolin",
        "amount": 24.0
      },
      {
        "material": "whiting",
        "amount": 20.45
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.57
      },
      {
        "material": "silica",
        "amount": 2.37
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 3.88
      },
      {
        "material": "rutile",
        "amount": 3.88
      },
      {
        "material": "bone ash",
        "amount": 2.91
      },
      {
        "material": "bentonite",
        "amount": 1.94
      },
      {
        "material": "total",
        "amount": 112.6
      }
    ]
  },
  {
    "id": "458927",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.48,
      "Al2O3": 17.67,
      "B2O3": 1.02,
      "Na2O": 3.91,
      "K2O": 4.4,
      "MgO": 4.1,
      "CaO": 8.94,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.22,
      "Fe2O3": 0.13,
      "CoO": 1.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 34.01
      },
      {
        "material": "dolomite",
        "amount": 16.16
      },
      {
        "material": "silica",
        "amount": 10.88
      },
      {
        "material": "nepheline syenite a270",
        "amount": 10.2
      },
      {
        "material": "calcined kaolin",
        "amount": 9.61
      },
      {
        "material": "ep kaolin",
        "amount": 8.5
      },
      {
        "material": "wollastonite",
        "amount": 4.68
      },
      {
        "material": "gerstley borate",
        "amount": 3.4
      },
      {
        "material": "soda ash",
        "amount": 2.55
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.2
      },
      {
        "material": "total",
        "amount": 101.19
      }
    ]
  },
  {
    "id": "460374",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.33,
      "Al2O3": 8.19,
      "B2O3": 6.08,
      "Na2O": 1.04,
      "K2O": 3.83,
      "MgO": 1.78,
      "CaO": 7.66,
      "ZrO2": 8.77,
      "Cr2O3": 1.55,
      "Fe2O3": 0.11,
      "CoO": 0.33,
      "ZnO": 4.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.33
      },
      {
        "material": "silica",
        "amount": 20.8
      },
      {
        "material": "zircopax",
        "amount": 12.13
      },
      {
        "material": "colemanite",
        "amount": 11.12
      },
      {
        "material": "whiting",
        "amount": 7.08
      },
      {
        "material": "kaolin",
        "amount": 5.1
      },
      {
        "material": "talc",
        "amount": 5.06
      },
      {
        "material": "zinc oxide",
        "amount": 4.04
      },
      {
        "material": "bentonite",
        "amount": 2.02
      },
      {
        "material": "chrome oxide",
        "amount": 1.44
      },
      {
        "material": "pearl ash testing",
        "amount": 0.75
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.48
      },
      {
        "material": "total",
        "amount": 100.35
      }
    ]
  },
  {
    "id": "461873",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.36,
      "Al2O3": 12.12,
      "Li2O": 2.19,
      "Na2O": 0.94,
      "K2O": 1.22,
      "MgO": 0.04,
      "CaO": 7.26,
      "SrO": 9.2,
      "TiO2": 0.04,
      "Fe2O3": 0.05,
      "CuO": 2.11,
      "SnO2": 5.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 26.0
      },
      {
        "material": "spodumene",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "strontium carbonate",
        "amount": 12.0
      },
      {
        "material": "whiting",
        "amount": 11.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "461882",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.33,
      "Al2O3": 9.45,
      "B2O3": 5.69,
      "Na2O": 4.06,
      "K2O": 0.69,
      "MgO": 0.94,
      "CaO": 14.31,
      "SrO": 0.03,
      "BaO": 1.6,
      "TiO2": 0.0,
      "FeO": 0.02,
      "Fe2O3": 0.28,
      "CoO": 0.31,
      "CuO": 0.1,
      "ZnO": 1.23,
      "SnO2": 4.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 29.0
      },
      {
        "material": "kaolin e",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 21.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "copper carbonate",
        "amount": 0.15
      },
      {
        "material": "total",
        "amount": 105.65
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "464544",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 63.82,
      "Al2O3": 19.15,
      "Na2O": 1.51,
      "K2O": 5.05,
      "MgO": 3.57,
      "CaO": 5.12,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 1.08,
      "Fe2O3": 0.13,
      "CoO": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 46.27
      },
      {
        "material": "silica",
        "amount": 15.51
      },
      {
        "material": "dolomite",
        "amount": 15.01
      },
      {
        "material": "calcined kaolin",
        "amount": 13.41
      },
      {
        "material": "ep kaolin",
        "amount": 9.81
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.51
      }
    ]
  },
  {
    "id": "465521",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.41,
      "Al2O3": 14.93,
      "Na2O": 1.37,
      "K2O": 4.58,
      "MgO": 0.01,
      "CaO": 9.22,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 7.78,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 45.13
      },
      {
        "material": "silica",
        "amount": 21.43
      },
      {
        "material": "whiting",
        "amount": 16.03
      },
      {
        "material": "ep kaolin",
        "amount": 9.89
      },
      {
        "material": "calcined kaolin",
        "amount": 7.52
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "467268",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.65,
      "Al2O3": 7.27,
      "B2O3": 9.26,
      "Na2O": 2.85,
      "K2O": 1.13,
      "MgO": 5.83,
      "CaO": 7.6,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.28,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 19.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "467270",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.3,
      "Al2O3": 6.9,
      "B2O3": 8.78,
      "Na2O": 2.71,
      "K2O": 1.08,
      "MgO": 5.53,
      "CaO": 7.21,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 5.38,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 19.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "467272",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.27,
      "Al2O3": 6.56,
      "B2O3": 8.36,
      "Na2O": 2.57,
      "K2O": 1.02,
      "MgO": 5.26,
      "CaO": 6.86,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 9.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 19.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "467276",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.53,
      "Al2O3": 6.26,
      "B2O3": 7.97,
      "Na2O": 2.45,
      "K2O": 0.98,
      "MgO": 5.02,
      "CaO": 6.54,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 14.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 19.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "total",
        "amount": 115.0
      }
    ]
  },
  {
    "id": "467277",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.88,
      "Al2O3": 6.19,
      "B2O3": 7.88,
      "Na2O": 2.43,
      "K2O": 0.97,
      "MgO": 4.96,
      "CaO": 7.11,
      "P2O5": 0.54,
      "TiO2": 0.07,
      "Fe2O3": 13.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "gerstley borate",
        "amount": 30.5
      },
      {
        "material": "silica",
        "amount": 29.5
      },
      {
        "material": "minspar 200",
        "amount": 19.8
      },
      {
        "material": "amtalc-c98 talc",
        "amount": 13.8
      },
      {
        "material": "ep kaolin",
        "amount": 6.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 15.0
      },
      {
        "material": "bone ash",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 116.2
      }
    ]
  },
  {
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        "material": "gerstley borate",
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      {
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        "amount": 29.5
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      {
        "material": "minspar 200",
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      {
        "material": "amtalc-c98 talc",
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      {
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "red iron oxide",
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      {
        "material": "bone ash",
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      },
      {
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        "amount": 121.2
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    ]
  },
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      {
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      {
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      {
        "material": "total base recipe",
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      {
        "material": "bone ash",
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      },
      {
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        "amount": 126.2
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    ]
  },
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      {
        "material": "analysis weight",
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        "amount": 3.02
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    ]
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    ]
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    ]
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    "id": "470315",
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        "amount": 471.826
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      {
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    ]
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    ]
  },
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    "id": "470322",
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        "material": "analysis weight",
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      {
        "material": "calculated oxide weight",
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    ]
  },
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    "id": "473561",
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      {
        "material": "calculated oxide weight",
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    ]
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    ]
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      {
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      {
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      {
        "material": "loi",
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    ]
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    "id": "474471",
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    "ingredients": [
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        "material": "barium carbonate",
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      },
      {
        "material": "nepheline syenite a270",
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      {
        "material": "silica",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 101.5
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    ]
  },
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    "id": "474476",
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        "material": "nepheline syenite a270",
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      {
        "material": "talc",
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      },
      {
        "material": "magnesium carbonate",
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      },
      {
        "material": "fusion frit f367",
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      {
        "material": "silica",
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      {
        "material": "ep kaolin - calcined",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
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      },
      {
        "material": "total",
        "amount": 101.0
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    ]
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      {
        "material": "silica",
        "amount": 19.3
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      {
        "material": "ep kaolin",
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      {
        "material": "barium carbonate",
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      },
      {
        "material": "fusion frit f367",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "magnesium carbonate",
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      {
        "material": "talc",
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      {
        "material": "ep kaolin - calcined",
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      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.6
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    ]
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      {
        "material": "silica",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      {
        "material": "zinc oxide",
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      },
      {
        "material": "magnesium carbonate",
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      },
      {
        "material": "whiting",
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        "material": "talc",
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      },
      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 101.4
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    ]
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    "id": "475098",
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      {
        "material": "talc",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "magnesium carbonate",
        "amount": 9.9
      },
      {
        "material": "zinc oxide",
        "amount": 7.5
      },
      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
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    "id": "475104",
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    "ingredients": [
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        "material": "silica",
        "amount": 29.4
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "strontium carbonate",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.3
      },
      {
        "material": "bentonite",
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      },
      {
        "material": "total",
        "amount": 101.7
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    ]
  },
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    "id": "475107",
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    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 30.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.9
      },
      {
        "material": "silica",
        "amount": 21.4
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.1
      },
      {
        "material": "total",
        "amount": 101.4
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    ]
  },
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    "id": "475109",
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      "TiO2": 0.08,
      "Fe2O3": 0.2,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 31.6
      },
      {
        "material": "ep kaolin",
        "amount": 17.5
      },
      {
        "material": "talc",
        "amount": 16.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 14.3
      },
      {
        "material": "fusion frit f367",
        "amount": 10.8
      },
      {
        "material": "silica",
        "amount": 6.7
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 1.7
      },
      {
        "material": "whiting",
        "amount": 0.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
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    "id": "475110",
    "chemical_composition": {
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      "SiO2": 58.9,
      "Al2O3": 12.51,
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      "Na2O": 3.58,
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      "MgO": 5.86,
      "CaO": 0.14,
      "SrO": 12.5,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 1.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 25.1
      },
      {
        "material": "silica",
        "amount": 20.6
      },
      {
        "material": "strontium carbonate",
        "amount": 16.3
      },
      {
        "material": "ep kaolin",
        "amount": 14.8
      },
      {
        "material": "talc",
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      },
      {
        "material": "fusion frit f367",
        "amount": 8.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
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    "id": "478646",
    "chemical_composition": {
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      "SiO2": 51.33,
      "Al2O3": 15.5,
      "B2O3": 5.17,
      "Na2O": 4.71,
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      "MgO": 0.53,
      "CaO": 11.09,
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      "P2O5": 0.07,
      "TiO2": 3.74,
      "FeO": 2.12,
      "Fe2O3": 0.4,
      "CoO": 0.58,
      "ZnO": 1.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 25.0
      },
      {
        "material": "kaolin",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 15.0
      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "forshammar feldspar",
        "amount": 15.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 88.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 88.5
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
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    "id": "480810",
    "chemical_composition": {
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      "Al2O3": 22.32,
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      "K2O": 2.05,
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      "CaO": 6.07,
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      "TiO2": 0.13,
      "Fe2O3": 0.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 33.5
      },
      {
        "material": "ep kaolin",
        "amount": 28.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 15.5
      },
      {
        "material": "fusion frit f367",
        "amount": 13.4
      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "480819",
    "chemical_composition": {
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      "B2O3": 3.09,
      "Na2O": 2.77,
      "K2O": 1.05,
      "MgO": 4.52,
      "CaO": 3.11,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 44.8
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.5
      },
      {
        "material": "ep kaolin",
        "amount": 15.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "fusion frit f367",
        "amount": 7.4
      },
      {
        "material": "whiting",
        "amount": 4.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "480836",
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      "Al2O3": 19.81,
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      "K2O": 2.28,
      "MgO": 9.72,
      "CaO": 6.74,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "CoO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 17.4
      },
      {
        "material": "fusion frit f367",
        "amount": 14.9
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
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      {
        "material": "whiting",
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      },
      {
        "material": "calcined kaolin",
        "amount": 8.2
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.25
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    ]
  },
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    "id": "483598",
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      "SiO2": 60.52,
      "Al2O3": 11.46,
      "B2O3": 1.85,
      "Li2O": 1.89,
      "Na2O": 1.32,
      "MgO": 5.9,
      "CaO": 8.38,
      "SrO": 0.01,
      "BaO": 0.52,
      "TiO2": 0.0,
      "FeO": 0.01,
      "Fe2O3": 2.13,
      "ZnO": 0.4,
      "SnO2": 5.61,
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    "ingredients": [
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        "material": "silica",
        "amount": 33.0
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      {
        "material": "dolomite",
        "amount": 24.0
      },
      {
        "material": "spodumene",
        "amount": 21.0
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      {
        "material": "kaolin",
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      },
      {
        "material": "johnson matthey frit 169",
        "amount": 6.0
      },
      {
        "material": "tin oxide",
        "amount": 5.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
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    ]
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      "Al2O3": 12.4,
      "B2O3": 3.87,
      "Na2O": 4.11,
      "K2O": 1.54,
      "MgO": 1.05,
      "CaO": 9.83,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "ZnO": 3.18,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
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      {
        "material": "silica",
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      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      {
        "material": "talc",
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      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
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    ]
  },
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      "SiO2": 60.8,
      "Al2O3": 11.21,
      "B2O3": 3.49,
      "Na2O": 3.72,
      "K2O": 1.39,
      "MgO": 0.95,
      "CaO": 8.89,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "ZrO2": 6.44,
      "Fe2O3": 0.15,
      "ZnO": 2.88,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
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      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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    "id": "485959",
    "chemical_composition": {
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      "SiO2": 60.56,
      "Al2O3": 11.77,
      "B2O3": 3.67,
      "Na2O": 3.91,
      "K2O": 1.46,
      "MgO": 1.0,
      "CaO": 9.34,
      "P2O5": 0.03,
      "TiO2": 4.58,
      "Fe2O3": 0.65,
      "ZnO": 3.02,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
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      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
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    ]
  },
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    "id": "485961",
    "chemical_composition": {
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      "SiO2": 62.49,
      "Al2O3": 12.15,
      "B2O3": 3.79,
      "Na2O": 4.03,
      "K2O": 1.51,
      "MgO": 1.03,
      "CaO": 9.64,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CuO": 2.01,
      "ZnO": 3.12,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
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    ]
  },
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    "id": "485962",
    "chemical_composition": {
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      "SiO2": 63.33,
      "Al2O3": 12.31,
      "B2O3": 3.84,
      "Na2O": 4.09,
      "K2O": 1.53,
      "MgO": 1.04,
      "CaO": 9.77,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CuO": 0.68,
      "ZnO": 3.16,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "485963",
    "chemical_composition": {
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      "SiO2": 63.72,
      "Al2O3": 12.39,
      "B2O3": 3.86,
      "Na2O": 4.11,
      "K2O": 1.54,
      "MgO": 1.05,
      "CaO": 9.83,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CoO": 0.07,
      "ZnO": 3.18,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
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      {
        "material": "silica",
        "amount": 21.0
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      {
        "material": "ferro frit 3134",
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      {
        "material": "ep kaolin",
        "amount": 13.0
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      {
        "material": "whiting",
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      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.1
      },
      {
        "material": "total",
        "amount": 101.1
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    ]
  },
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    "id": "485964",
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      "SiO2": 63.34,
      "Al2O3": 12.32,
      "B2O3": 3.84,
      "Na2O": 4.09,
      "K2O": 1.53,
      "MgO": 1.04,
      "CaO": 9.77,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CoO": 0.66,
      "ZnO": 3.16,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
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      {
        "material": "silica",
        "amount": 21.0
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      {
        "material": "ferro frit 3134",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      {
        "material": "talc",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
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    ]
  },
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    "id": "485965",
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      "Na2O": 4.08,
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      "MgO": 1.04,
      "CaO": 9.74,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "MnO2": 0.91,
      "Fe2O3": 0.16,
      "ZnO": 3.15,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
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      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
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      {
        "material": "ep kaolin",
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      {
        "material": "whiting",
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      {
        "material": "talc",
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      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
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    ]
  },
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    "id": "485966",
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      "CaO": 9.57,
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      "TiO2": 0.05,
      "MnO2": 2.69,
      "Fe2O3": 0.16,
      "ZnO": 3.09,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.0
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    ]
  },
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    "id": "485967",
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      "K2O": 1.51,
      "MgO": 1.03,
      "CaO": 9.64,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 2.13,
      "ZnO": 3.12,
      "LOI": 0.0
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    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
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    ]
  },
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    "id": "485968",
    "chemical_composition": {
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      "SiO2": 57.93,
      "Al2O3": 11.26,
      "B2O3": 3.51,
      "Na2O": 3.74,
      "K2O": 1.4,
      "MgO": 0.95,
      "CaO": 8.93,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 9.3,
      "ZnO": 2.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
  {
    "id": "486005",
    "chemical_composition": {
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      "SiO2": 62.91,
      "Al2O3": 12.23,
      "B2O3": 3.81,
      "Na2O": 4.06,
      "K2O": 1.52,
      "MgO": 1.03,
      "CaO": 9.7,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.16,
      "CoO": 0.33,
      "CuO": 1.01,
      "ZnO": 3.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "486012",
    "chemical_composition": {
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      "SiO2": 62.61,
      "Al2O3": 12.17,
      "B2O3": 3.8,
      "Na2O": 4.04,
      "K2O": 1.51,
      "MgO": 1.03,
      "CaO": 9.66,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "MnO2": 1.81,
      "Fe2O3": 0.16,
      "ZnO": 3.12,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
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    ]
  },
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    "id": "486021",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.13,
      "Al2O3": 11.69,
      "B2O3": 3.64,
      "Na2O": 3.88,
      "K2O": 1.45,
      "MgO": 0.99,
      "CaO": 9.27,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 5.85,
      "ZnO": 3.0,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "minspar 200",
        "amount": 34.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ferro frit 3134",
        "amount": 16.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "talc",
        "amount": 3.0
      },
      {
        "material": "zinc oxide",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 6.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
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    "id": "488779",
    "chemical_composition": {
      "Amt.": 0.0,
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      "Al2O3": 10.46,
      "B2O3": 2.95,
      "Na2O": 3.37,
      "K2O": 2.13,
      "MgO": 2.31,
      "CaO": 7.26,
      "P2O5": 0.01,
      "TiO2": 0.01,
      "Fe2O3": 0.56,
      "ZnO": 2.25,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 29.9
      },
      {
        "material": "dolomite",
        "amount": 9.8
      },
      {
        "material": "colemanite",
        "amount": 5.4
      },
      {
        "material": "whiting",
        "amount": 2.8
      },
      {
        "material": "ep kaolin",
        "amount": 2.2
      },
      {
        "material": "zinc oxide",
        "amount": 2.1
      },
      {
        "material": "total base recipe",
        "amount": 100.2
      },
      {
        "material": "iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 51.41,
      "Al2O3": 17.25,
      "Li2O": 0.39,
      "Na2O": 5.8,
      "K2O": 2.78,
      "MgO": 0.09,
      "CaO": 0.44,
      "SrO": 13.55,
      "TiO2": 4.99,
      "Fe2O3": 0.15,
      "CuO": 3.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 19.7
      },
      {
        "material": "ball clay",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 7.5
      },
      {
        "material": "spodumene",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.2
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.2
      },
      {
        "material": "specific gravity",
        "amount": 140.0
      }
    ]
  },
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    "id": "490158",
    "chemical_composition": {
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      "SiO2": 51.04,
      "Al2O3": 17.52,
      "Li2O": 0.51,
      "Na2O": 5.56,
      "K2O": 2.67,
      "MgO": 0.14,
      "CaO": 0.44,
      "SrO": 14.14,
      "TiO2": 4.75,
      "Fe2O3": 0.23,
      "CuO": 2.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 55.69
      },
      {
        "material": "strontium carbonate",
        "amount": 20.14
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 8.3
      },
      {
        "material": "silica",
        "amount": 7.11
      },
      {
        "material": "spodumene",
        "amount": 6.39
      },
      {
        "material": "bentonite",
        "amount": 2.36
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "copper carbonate",
        "amount": 4.65
      },
      {
        "material": "titanium dioxide",
        "amount": 4.65
      },
      {
        "material": "total",
        "amount": 109.29
      },
      {
        "material": "hold (min) total 1 68 870 0 12",
        "amount": 28.0
      },
      {
        "material": "celsius fahrenheit total 20",
        "amount": 2.0
      }
    ]
  },
  {
    "id": "490497",
    "chemical_composition": {
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      "SiO2": 61.76,
      "Al2O3": 7.07,
      "B2O3": 6.97,
      "Na2O": 7.23,
      "K2O": 1.96,
      "MgO": 0.95,
      "CaO": 9.04,
      "SrO": 0.04,
      "BaO": 1.96,
      "TiO2": 0.01,
      "FeO": 0.03,
      "Fe2O3": 0.1,
      "CuO": 1.36,
      "ZnO": 1.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "forshammar feldspar",
        "amount": 44.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 16.0
      },
      {
        "material": "whiting",
        "amount": 12.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
      }
    ]
  },
  {
    "id": "491275",
    "chemical_composition": {
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      "SiO2": 54.04,
      "Al2O3": 11.22,
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      "Na2O": 3.64,
      "K2O": 2.21,
      "MgO": 0.02,
      "CaO": 0.25,
      "SrO": 20.03,
      "BaO": 0.68,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.33,
      "FeO": 0.01,
      "Fe2O3": 0.16,
      "ZnO": 0.52,
      "SnO2": 4.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.0
      },
      {
        "material": "strontium carbonate",
        "amount": 26.0
      },
      {
        "material": "nepheline syenite norwegian",
        "amount": 23.0
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 8.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
  {
    "id": "491276",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.24,
      "Al2O3": 10.21,
      "B2O3": 2.09,
      "Na2O": 3.23,
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      "MgO": 0.01,
      "CaO": 0.21,
      "SrO": 0.01,
      "BaO": 27.61,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Cr2O3": 0.33,
      "FeO": 0.01,
      "Fe2O3": 0.15,
      "ZnO": 0.45,
      "SnO2": 4.35,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 32.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "nepheline syenite norwegian",
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      },
      {
        "material": "ep kaolin",
        "amount": 12.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 7.0
      },
      {
        "material": "tin oxide",
        "amount": 4.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.3
      },
      {
        "material": "total",
        "amount": 101.3
      }
    ]
  },
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    "id": "498636",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.27,
      "Al2O3": 13.74,
      "B2O3": 10.86,
      "Na2O": 4.85,
      "K2O": 1.78,
      "MgO": 1.49,
      "CaO": 8.63,
      "SrO": 0.11,
      "TiO2": 0.13,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 37.3
      },
      {
        "material": "gillespie borate",
        "amount": 21.7
      },
      {
        "material": "ferro frit 3195",
        "amount": 20.6
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.2
      },
      {
        "material": "silica",
        "amount": 8.7
      },
      {
        "material": "talc",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "500300",
    "chemical_composition": {
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      "SiO2": 48.12,
      "Al2O3": 16.57,
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      "Na2O": 4.03,
      "K2O": 1.92,
      "MgO": 0.12,
      "CaO": 4.17,
      "SrO": 16.3,
      "P2O5": 0.04,
      "TiO2": 4.91,
      "Fe2O3": 0.26,
      "CuO": 3.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 38.27
      },
      {
        "material": "strontium carbonate",
        "amount": 22.2
      },
      {
        "material": "ep kaolin",
        "amount": 13.06
      },
      {
        "material": "silica",
        "amount": 11.62
      },
      {
        "material": "whiting",
        "amount": 6.53
      },
      {
        "material": "spodumene",
        "amount": 5.22
      },
      {
        "material": "bentonite",
        "amount": 3.08
      },
      {
        "material": "total base recipe",
        "amount": 99.98
      },
      {
        "material": "copper carbonate",
        "amount": 4.65
      },
      {
        "material": "titanium dioxide",
        "amount": 4.65
      },
      {
        "material": "total",
        "amount": 109.28
      },
      {
        "material": "hold (min) total 1 68 870 0 12",
        "amount": 28.0
      },
      {
        "material": "celsius fahrenheit total 20",
        "amount": 2.0
      }
    ]
  },
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    "id": "500315",
    "chemical_composition": {
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      "K2O": 1.97,
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      "CaO": 7.4,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 1.11,
      "Fe2O3": 0.19,
      "CoO": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 26.26
      },
      {
        "material": "dolomite",
        "amount": 19.51
      },
      {
        "material": "silica",
        "amount": 15.38
      },
      {
        "material": "nepheline syenite a270",
        "amount": 13.1
      },
      {
        "material": "calcined kaolin",
        "amount": 10.26
      },
      {
        "material": "ep kaolin",
        "amount": 10.26
      },
      {
        "material": "magnesium carbonate",
        "amount": 4.87
      },
      {
        "material": "whiting",
        "amount": 0.37
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.01
      }
    ]
  },
  {
    "id": "501913",
    "chemical_composition": {
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      "SiO2": 72.88,
      "Al2O3": 10.4,
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      "Na2O": 3.22,
      "K2O": 1.21,
      "MgO": 5.1,
      "CaO": 3.49,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 43.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.8
      },
      {
        "material": "ep kaolin",
        "amount": 11.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 9.7
      },
      {
        "material": "fusion frit f367",
        "amount": 8.3
      },
      {
        "material": "whiting",
        "amount": 5.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "504772",
    "chemical_composition": {
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      "SiO2": 48.49,
      "Al2O3": 16.47,
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      "Na2O": 6.65,
      "K2O": 2.44,
      "MgO": 10.72,
      "CaO": 7.45,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 41.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 16.2
      },
      {
        "material": "whiting",
        "amount": 10.9
      },
      {
        "material": "ep kaolin",
        "amount": 10.5
      },
      {
        "material": "silica",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.25
      }
    ]
  },
  {
    "id": "504773",
    "chemical_composition": {
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      "SiO2": 70.84,
      "Al2O3": 9.37,
      "B2O3": 4.18,
      "Na2O": 3.78,
      "K2O": 1.38,
      "MgO": 6.08,
      "CaO": 4.2,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 40.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 25.3
      },
      {
        "material": "magnesium carbonate",
        "amount": 11.5
      },
      {
        "material": "fusion frit f367",
        "amount": 9.9
      },
      {
        "material": "whiting",
        "amount": 6.6
      },
      {
        "material": "ep kaolin",
        "amount": 6.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "504929",
    "chemical_composition": {
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      "SiO2": 54.14,
      "Al2O3": 13.94,
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      "Li2O": 1.0,
      "Na2O": 3.72,
      "K2O": 1.62,
      "MgO": 0.36,
      "CaO": 10.81,
      "SrO": 6.15,
      "P2O5": 0.03,
      "TiO2": 0.03,
      "Fe2O3": 0.19,
      "CuO": 5.64,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 29.02
      },
      {
        "material": "silica",
        "amount": 19.45
      },
      {
        "material": "whiting",
        "amount": 14.58
      },
      {
        "material": "spodumene",
        "amount": 11.46
      },
      {
        "material": "gerstley borate",
        "amount": 8.02
      },
      {
        "material": "strontium carbonate",
        "amount": 8.0
      },
      {
        "material": "ep kaolin",
        "amount": 6.07
      },
      {
        "material": "total base recipe",
        "amount": 96.6
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.6
      }
    ]
  },
  {
    "id": "506216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.47,
      "Al2O3": 15.58,
      "B2O3": 6.93,
      "Na2O": 6.28,
      "K2O": 2.3,
      "MgO": 10.13,
      "CaO": 7.06,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.6
      },
      {
        "material": "magnesium carbonate",
        "amount": 18.0
      },
      {
        "material": "fusion frit f367",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 10.4
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "506219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.44,
      "Al2O3": 14.64,
      "B2O3": 6.51,
      "Na2O": 5.9,
      "K2O": 2.16,
      "MgO": 9.54,
      "CaO": 6.59,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 37.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 17.1
      },
      {
        "material": "fusion frit f367",
        "amount": 14.6
      },
      {
        "material": "silica",
        "amount": 11.5
      },
      {
        "material": "whiting",
        "amount": 9.8
      },
      {
        "material": "ep kaolin",
        "amount": 9.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "506220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.35,
      "Al2O3": 13.69,
      "B2O3": 6.1,
      "Na2O": 5.53,
      "K2O": 2.03,
      "MgO": 8.89,
      "CaO": 6.19,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.5
      },
      {
        "material": "silica",
        "amount": 16.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 16.1
      },
      {
        "material": "fusion frit f367",
        "amount": 13.8
      },
      {
        "material": "whiting",
        "amount": 9.3
      },
      {
        "material": "ep kaolin",
        "amount": 8.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "506221",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.03,
      "Al2O3": 12.82,
      "B2O3": 5.74,
      "Na2O": 5.18,
      "K2O": 1.9,
      "MgO": 8.32,
      "CaO": 5.81,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 33.5
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 15.2
      },
      {
        "material": "fusion frit f367",
        "amount": 13.1
      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "ep kaolin",
        "amount": 8.4
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "506222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.84,
      "Al2O3": 11.93,
      "B2O3": 5.34,
      "Na2O": 4.81,
      "K2O": 1.76,
      "MgO": 7.76,
      "CaO": 5.36,
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      {
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      {
        "material": "total base recipe",
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      {
        "material": "total base recipe",
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        "material": "ep kaolin",
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        "material": "magnesium carbonate",
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        "material": "total base recipe",
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      {
        "material": "total base recipe",
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      {
        "material": "cobalt oxide",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
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      {
        "material": "total",
        "amount": 102.0
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    ]
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      "TiO2": 0.13,
      "Fe2O3": 0.3,
      "ZnO": 6.75,
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    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.52
      },
      {
        "material": "ep kaolin",
        "amount": 30.38
      },
      {
        "material": "silica",
        "amount": 12.58
      },
      {
        "material": "dolomite",
        "amount": 10.93
      },
      {
        "material": "whiting",
        "amount": 7.73
      },
      {
        "material": "zinc oxide",
        "amount": 5.86
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "510361",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.42,
      "Al2O3": 8.3,
      "B2O3": 5.44,
      "Na2O": 4.04,
      "K2O": 1.05,
      "MgO": 0.39,
      "CaO": 10.16,
      "SrO": 0.03,
      "BaO": 1.53,
      "P2O5": 0.05,
      "TiO2": 3.1,
      "FeO": 1.35,
      "Fe2O3": 0.5,
      "CoO": 0.46,
      "ZnO": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "odenwalder clay",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
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      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "cobalt oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 35.62,
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      "MgO": 0.56,
      "CaO": 3.18,
      "BaO": 27.96,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.18,
      "CoO": 0.36,
      "CuO": 0.73,
      "ZnO": 4.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.67
      },
      {
        "material": "barium carbonate",
        "amount": 31.75
      },
      {
        "material": "gerstley borate",
        "amount": 13.57
      },
      {
        "material": "ep kaolin",
        "amount": 10.11
      },
      {
        "material": "zinc oxide",
        "amount": 4.0
      },
      {
        "material": "silica",
        "amount": 0.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
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    "id": "510911",
    "chemical_composition": {
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      "SiO2": 46.12,
      "Al2O3": 18.78,
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      "Na2O": 4.07,
      "K2O": 4.14,
      "MgO": 13.42,
      "CaO": 2.91,
      "P2O5": 0.07,
      "TiO2": 0.09,
      "Fe2O3": 0.26,
      "ZnO": 6.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 22.75
      },
      {
        "material": "magnesium carbonate",
        "amount": 22.18
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.12
      },
      {
        "material": "ep kaolin",
        "amount": 17.3
      },
      {
        "material": "gerstley borate",
        "amount": 11.37
      },
      {
        "material": "zinc oxide",
        "amount": 5.28
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "510949",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.77,
      "Al2O3": 17.91,
      "Li2O": 1.79,
      "Na2O": 5.18,
      "K2O": 2.47,
      "MgO": 17.71,
      "CaO": 6.32,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "ZnO": 9.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 38.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 28.6
      },
      {
        "material": "ep kaolin",
        "amount": 12.8
      },
      {
        "material": "whiting",
        "amount": 8.4
      },
      {
        "material": "zinc oxide",
        "amount": 7.4
      },
      {
        "material": "lithium carbonate",
        "amount": 3.4
      },
      {
        "material": "silica",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "510957",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 46.81,
      "Al2O3": 19.09,
      "Na2O": 4.14,
      "K2O": 2.01,
      "MgO": 12.55,
      "CaO": 4.52,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.23,
      "CuO": 1.77,
      "ZnO": 8.71,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 33.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 21.95
      },
      {
        "material": "ep kaolin",
        "amount": 21.85
      },
      {
        "material": "silica",
        "amount": 9.25
      },
      {
        "material": "zinc oxide",
        "amount": 7.3
      },
      {
        "material": "whiting",
        "amount": 6.45
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
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    "id": "510958",
    "chemical_composition": {
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      "SiO2": 38.77,
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      "Li2O": 1.79,
      "Na2O": 5.18,
      "K2O": 2.47,
      "MgO": 17.71,
      "CaO": 6.32,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 0.17,
      "ZnO": 9.57,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 38.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 28.6
      },
      {
        "material": "ep kaolin",
        "amount": 12.8
      },
      {
        "material": "whiting",
        "amount": 8.4
      },
      {
        "material": "zinc oxide",
        "amount": 7.4
      },
      {
        "material": "lithium carbonate",
        "amount": 3.4
      },
      {
        "material": "silica",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "510959",
    "chemical_composition": {
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      "SiO2": 40.85,
      "Al2O3": 18.24,
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      "K2O": 2.35,
      "MgO": 16.32,
      "CaO": 5.83,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.18,
      "CuO": 0.49,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 37.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 26.9
      },
      {
        "material": "ep kaolin",
        "amount": 15.1
      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "zinc oxide",
        "amount": 7.4
      },
      {
        "material": "silica",
        "amount": 3.0
      },
      {
        "material": "lithium carbonate",
        "amount": 2.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 0.6
      },
      {
        "material": "total",
        "amount": 100.6
      }
    ]
  },
  {
    "id": "510960",
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      "SiO2": 42.89,
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      "K2O": 2.23,
      "MgO": 15.04,
      "CaO": 5.36,
      "P2O5": 0.06,
      "TiO2": 0.08,
      "Fe2O3": 0.2,
      "CuO": 0.96,
      "ZnO": 9.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 25.3
      },
      {
        "material": "ep kaolin",
        "amount": 17.3
      },
      {
        "material": "whiting",
        "amount": 7.4
      },
      {
        "material": "zinc oxide",
        "amount": 7.4
      },
      {
        "material": "silica",
        "amount": 5.1
      },
      {
        "material": "lithium carbonate",
        "amount": 1.7
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.2
      },
      {
        "material": "total",
        "amount": 101.2
      }
    ]
  },
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    "id": "510961",
    "chemical_composition": {
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      "SiO2": 44.96,
      "Al2O3": 18.82,
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      "K2O": 2.12,
      "MgO": 13.76,
      "CaO": 4.92,
      "P2O5": 0.06,
      "TiO2": 0.09,
      "Fe2O3": 0.22,
      "CuO": 1.33,
      "ZnO": 8.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 34.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 23.6
      },
      {
        "material": "ep kaolin",
        "amount": 19.6
      },
      {
        "material": "zinc oxide",
        "amount": 7.3
      },
      {
        "material": "silica",
        "amount": 7.2
      },
      {
        "material": "whiting",
        "amount": 6.9
      },
      {
        "material": "lithium carbonate",
        "amount": 0.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 101.7
      }
    ]
  },
  {
    "id": "510962",
    "chemical_composition": {
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      "K2O": 2.01,
      "MgO": 12.59,
      "CaO": 4.56,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.23,
      "CuO": 1.77,
      "ZnO": 8.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 33.2
      },
      {
        "material": "magnesium carbonate",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 21.8
      },
      {
        "material": "silica",
        "amount": 9.2
      },
      {
        "material": "zinc oxide",
        "amount": 7.3
      },
      {
        "material": "whiting",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.3
      },
      {
        "material": "total",
        "amount": 102.3
      }
    ]
  },
  {
    "id": "510968",
    "chemical_composition": {
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      "SiO2": 51.16,
      "Al2O3": 16.96,
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      "Li2O": 1.39,
      "Na2O": 4.21,
      "K2O": 1.12,
      "MgO": 0.04,
      "CaO": 11.71,
      "SrO": 8.77,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "510969",
    "chemical_composition": {
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      "SiO2": 50.9,
      "Al2O3": 16.87,
      "B2O3": 4.36,
      "Li2O": 1.38,
      "Na2O": 4.19,
      "K2O": 1.11,
      "MgO": 0.04,
      "CaO": 11.65,
      "SrO": 8.72,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Cr2O3": 0.25,
      "Fe2O3": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "510970",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.64,
      "Al2O3": 16.79,
      "B2O3": 4.34,
      "Li2O": 1.37,
      "Na2O": 4.17,
      "K2O": 1.1,
      "MgO": 0.04,
      "CaO": 11.59,
      "SrO": 8.68,
      "P2O5": 0.04,
      "TiO2": 0.07,
      "Cr2O3": 0.49,
      "Fe2O3": 0.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "510971",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.38,
      "Al2O3": 16.7,
      "B2O3": 4.32,
      "Li2O": 1.37,
      "Na2O": 4.15,
      "K2O": 1.1,
      "MgO": 0.04,
      "CaO": 11.53,
      "SrO": 8.64,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Cr2O3": 0.73,
      "Fe2O3": 0.93,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "iron chromate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "510972",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.03,
      "Al2O3": 16.58,
      "B2O3": 4.29,
      "Li2O": 1.36,
      "Na2O": 4.12,
      "K2O": 1.09,
      "MgO": 0.04,
      "CaO": 11.45,
      "SrO": 8.58,
      "P2O5": 0.04,
      "TiO2": 2.27,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "510973",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.78,
      "Al2O3": 16.5,
      "B2O3": 4.27,
      "Li2O": 1.35,
      "Na2O": 4.1,
      "K2O": 1.09,
      "MgO": 0.04,
      "CaO": 11.4,
      "SrO": 8.53,
      "P2O5": 0.04,
      "TiO2": 2.25,
      "Cr2O3": 0.24,
      "Fe2O3": 0.41,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.5
      }
    ]
  },
  {
    "id": "510974",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.54,
      "Al2O3": 16.42,
      "B2O3": 4.25,
      "Li2O": 1.34,
      "Na2O": 4.08,
      "K2O": 1.08,
      "MgO": 0.04,
      "CaO": 11.34,
      "SrO": 8.49,
      "P2O5": 0.04,
      "TiO2": 2.24,
      "Cr2O3": 0.48,
      "Fe2O3": 0.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "iron chromate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "510975",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.29,
      "Al2O3": 16.34,
      "B2O3": 4.23,
      "Li2O": 1.34,
      "Na2O": 4.06,
      "K2O": 1.08,
      "MgO": 0.04,
      "CaO": 11.28,
      "SrO": 8.45,
      "P2O5": 0.04,
      "TiO2": 2.23,
      "Cr2O3": 0.72,
      "Fe2O3": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "iron chromate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
  {
    "id": "510976",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.95,
      "Al2O3": 16.23,
      "B2O3": 4.2,
      "Li2O": 1.33,
      "Na2O": 4.03,
      "K2O": 1.07,
      "MgO": 0.04,
      "CaO": 11.21,
      "SrO": 8.39,
      "P2O5": 0.04,
      "TiO2": 4.37,
      "Fe2O3": 0.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
  {
    "id": "510980",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.92,
      "Al2O3": 15.88,
      "B2O3": 4.11,
      "Li2O": 1.3,
      "Na2O": 3.95,
      "K2O": 1.05,
      "MgO": 0.04,
      "CaO": 10.97,
      "SrO": 8.21,
      "P2O5": 0.04,
      "TiO2": 6.39,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "510981",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.69,
      "Al2O3": 15.81,
      "B2O3": 4.09,
      "Li2O": 1.29,
      "Na2O": 3.93,
      "K2O": 1.04,
      "MgO": 0.04,
      "CaO": 10.92,
      "SrO": 8.17,
      "P2O5": 0.04,
      "TiO2": 6.36,
      "Cr2O3": 0.23,
      "Fe2O3": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 106.5
      }
    ]
  },
  {
    "id": "510982",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.47,
      "Al2O3": 15.73,
      "B2O3": 4.07,
      "Li2O": 1.29,
      "Na2O": 3.91,
      "K2O": 1.04,
      "MgO": 0.04,
      "CaO": 10.87,
      "SrO": 8.14,
      "P2O5": 0.04,
      "TiO2": 6.33,
      "Cr2O3": 0.46,
      "Fe2O3": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "iron chromate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "510983",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.24,
      "Al2O3": 15.66,
      "B2O3": 4.05,
      "Li2O": 1.28,
      "Na2O": 3.89,
      "K2O": 1.03,
      "MgO": 0.04,
      "CaO": 10.82,
      "SrO": 8.1,
      "P2O5": 0.04,
      "TiO2": 6.3,
      "Cr2O3": 0.69,
      "Fe2O3": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite",
        "amount": 20.4
      },
      {
        "material": "ferro frit 3134",
        "amount": 17.1
      },
      {
        "material": "ep kaolin",
        "amount": 15.4
      },
      {
        "material": "spodumene",
        "amount": 15.4
      },
      {
        "material": "whiting",
        "amount": 12.3
      },
      {
        "material": "strontium carbonate",
        "amount": 11.1
      },
      {
        "material": "silica",
        "amount": 8.3
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "iron chromate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 107.5
      }
    ]
  },
  {
    "id": "513572",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.35,
      "Al2O3": 16.96,
      "B2O3": 5.79,
      "Na2O": 7.04,
      "K2O": 2.86,
      "MgO": 0.78,
      "CaO": 12.47,
      "BaO": 4.86,
      "P2O5": 0.05,
      "TiO2": 0.06,
      "Fe2O3": 0.2,
      "ZnO": 5.59,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 41.16
      },
      {
        "material": "gerstley borate",
        "amount": 18.6
      },
      {
        "material": "whiting",
        "amount": 12.16
      },
      {
        "material": "minspar 200",
        "amount": 8.74
      },
      {
        "material": "ep kaolin",
        "amount": 8.23
      },
      {
        "material": "barium carbonate",
        "amount": 5.39
      },
      {
        "material": "zinc oxide",
        "amount": 4.81
      },
      {
        "material": "soda ash",
        "amount": 0.91
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "514161",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.46,
      "Al2O3": 14.76,
      "B2O3": 2.37,
      "Li2O": 1.0,
      "Na2O": 1.29,
      "K2O": 1.26,
      "MgO": 6.21,
      "CaO": 15.91,
      "BaO": 8.87,
      "P2O5": 2.25,
      "TiO2": 0.56,
      "Fe2O3": 2.04,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "dolomite",
        "amount": 21.74
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 20.87
      },
      {
        "material": "redart",
        "amount": 20.0
      },
      {
        "material": "spodumene",
        "amount": 10.43
      },
      {
        "material": "barium carbonate",
        "amount": 9.57
      },
      {
        "material": "ferro frit 3134",
        "amount": 8.7
      },
      {
        "material": "bone ash",
        "amount": 4.35
      },
      {
        "material": "whiting",
        "amount": 4.35
      },
      {
        "material": "total base recipe",
        "amount": 100.01
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.01
      }
    ]
  },
  {
    "id": "515569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.09,
      "Al2O3": 12.05,
      "B2O3": 3.02,
      "Na2O": 3.91,
      "K2O": 3.32,
      "MgO": 0.74,
      "CaO": 12.73,
      "SrO": 0.02,
      "BaO": 0.85,
      "P2O5": 0.1,
      "TiO2": 0.51,
      "FeO": 2.96,
      "Fe2O3": 0.05,
      "ZnO": 0.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "odenwalder clay",
        "amount": 40.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 30.0
      },
      {
        "material": "whiting",
        "amount": 20.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "516090",
    "chemical_composition": {
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      "SiO2": 58.48,
      "Al2O3": 6.33,
      "B2O3": 1.71,
      "Na2O": 4.84,
      "K2O": 4.35,
      "MgO": 0.03,
      "CaO": 2.11,
      "SrO": 0.03,
      "BaO": 0.0,
      "P2O5": 0.02,
      "TiO2": 0.01,
      "ZrO2": 0.04,
      "MnO": 0.0,
      "Fe2O3": 6.03,
      "ZnO": 16.02,
      "PbO": 0.0,
      "As2O3": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "potash feldspar 2024 (crecer) testing",
        "amount": 34.5
      },
      {
        "material": "silica",
        "amount": 34.0
      },
      {
        "material": "zinc oxide",
        "amount": 16.5
      },
      {
        "material": "frita 174 - 2024/crecer testing",
        "amount": 9.0
      },
      {
        "material": "soda ash",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 40.0
      }
    ]
  },
  {
    "id": "518359",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 64.0,
      "Al2O3": 11.1,
      "B2O3": 3.02,
      "Na2O": 5.01,
      "K2O": 1.53,
      "MgO": 0.48,
      "CaO": 10.18,
      "SrO": 0.04,
      "BaO": 0.06,
      "P2O5": 0.03,
      "TiO2": 0.07,
      "ZrO2": 0.07,
      "MnO": 0.01,
      "Fe2O3": 0.27,
      "CuO": 4.11,
      "ZnO": 0.02,
      "PbO": 0.0,
      "As2O3": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar 2024 (crecer) testing",
        "amount": 48.0
      },
      {
        "material": "silica",
        "amount": 16.5
      },
      {
        "material": "frita 174 - 2024/crecer testing",
        "amount": 15.0
      },
      {
        "material": "whiting 2024 (crecer) testing",
        "amount": 10.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 8.0
      },
      {
        "material": "dolomita crecer 2024 testing",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 104.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "523938",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.65,
      "Al2O3": 19.96,
      "B2O3": 3.26,
      "Li2O": 0.6,
      "Na2O": 3.67,
      "K2O": 1.53,
      "MgO": 5.05,
      "CaO": 10.61,
      "SrO": 0.05,
      "BaO": 0.37,
      "P2O5": 0.05,
      "TiO2": 0.18,
      "ZrO2": 0.06,
      "MnO": 0.07,
      "Fe2O3": 5.8,
      "ZnO": 0.07,
      "PbO": 0.02,
      "CeO2": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "esmalte tp q92 / 2024 - crecer testing",
        "amount": 24.5
      },
      {
        "material": "spodumene (crecer) 2024 testing",
        "amount": 24.0
      },
      {
        "material": "dolomita crecer 2024 testing",
        "amount": 22.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 22.0
      },
      {
        "material": "potash feldspar 2024 (crecer) testing",
        "amount": 4.0
      },
      {
        "material": "fa 210 /2024 - crecer testing",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "529831",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.36,
      "Al2O3": 12.16,
      "B2O3": 9.87,
      "Na2O": 2.5,
      "K2O": 0.06,
      "MgO": 1.93,
      "CaO": 11.86,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "dolomite",
        "amount": 8.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "529842",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.95,
      "Al2O3": 11.93,
      "B2O3": 9.69,
      "Na2O": 2.45,
      "K2O": 0.06,
      "MgO": 2.32,
      "CaO": 10.34,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3195",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "wollastonite",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 4.0
      },
      {
        "material": "talc",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 98.0
      }
    ]
  },
  {
    "id": "529843",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.68,
      "Al2O3": 19.35,
      "B2O3": 0.42,
      "Na2O": 10.12,
      "K2O": 4.01,
      "MgO": 0.03,
      "CaO": 7.23,
      "TiO2": 0.05,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "531453",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.35,
      "Al2O3": 15.09,
      "B2O3": 3.12,
      "Li2O": 2.85,
      "Na2O": 2.84,
      "K2O": 2.17,
      "MgO": 0.48,
      "CaO": 8.19,
      "P2O5": 0.06,
      "TiO2": 6.48,
      "Fe2O3": 0.26,
      "NiO": 2.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 13.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 11.0
      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "531454",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.75,
      "Al2O3": 14.66,
      "B2O3": 3.03,
      "Li2O": 2.77,
      "Na2O": 2.76,
      "K2O": 2.11,
      "MgO": 0.46,
      "CaO": 7.96,
      "P2O5": 0.06,
      "TiO2": 6.3,
      "Fe2O3": 5.13,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 13.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 111.0
      }
    ]
  },
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      "Li2O": 2.83,
      "Na2O": 2.82,
      "K2O": 2.16,
      "MgO": 0.47,
      "CaO": 8.14,
      "P2O5": 0.06,
      "TiO2": 6.44,
      "Fe2O3": 0.25,
      "CuO": 2.71,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
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      },
      {
        "material": "gerstley borate",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 110.0
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    ]
  },
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      "Li2O": 2.84,
      "Na2O": 2.84,
      "K2O": 2.17,
      "MgO": 0.48,
      "CaO": 8.18,
      "P2O5": 0.06,
      "TiO2": 6.47,
      "Fe2O3": 0.26,
      "NiO": 1.37,
      "CuO": 0.88,
      "LOI": 0.0
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    "ingredients": [
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        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
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      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "copper carbonate",
        "amount": 1.3
      },
      {
        "material": "black nickel oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 108.6
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    ]
  },
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    "id": "531896",
    "chemical_composition": {
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      "K2O": 2.15,
      "MgO": 0.47,
      "CaO": 8.12,
      "P2O5": 0.06,
      "TiO2": 6.42,
      "Fe2O3": 1.95,
      "NiO": 1.36,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      {
        "material": "gerstley borate",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "red iron oxide",
        "amount": 1.7
      },
      {
        "material": "black nickel oxide",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
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    "id": "531898",
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      "Na2O": 2.81,
      "K2O": 2.15,
      "MgO": 0.47,
      "CaO": 8.1,
      "P2O5": 0.06,
      "TiO2": 6.4,
      "Fe2O3": 1.94,
      "NiO": 0.73,
      "CuO": 0.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
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      },
      {
        "material": "gerstley borate",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "red iron oxide",
        "amount": 1.7
      },
      {
        "material": "copper carbonate",
        "amount": 1.3
      },
      {
        "material": "black nickel oxide",
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      },
      {
        "material": "total",
        "amount": 109.7
      }
    ]
  },
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    "id": "531900",
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      "Li2O": 2.81,
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      "K2O": 2.14,
      "MgO": 0.47,
      "CaO": 8.08,
      "P2O5": 0.06,
      "TiO2": 6.39,
      "Fe2O3": 1.94,
      "CuO": 1.81,
      "LOI": 0.0
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    "ingredients": [
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        "material": "cornwall stone",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "silica",
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      {
        "material": "gerstley borate",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "copper carbonate",
        "amount": 2.7
      },
      {
        "material": "red iron oxide",
        "amount": 1.7
      },
      {
        "material": "total",
        "amount": 110.4
      }
    ]
  },
  {
    "id": "531901",
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      "SiO2": 55.2,
      "Al2O3": 14.78,
      "B2O3": 3.06,
      "Li2O": 2.79,
      "Na2O": 2.78,
      "K2O": 2.13,
      "MgO": 0.47,
      "CaO": 8.03,
      "P2O5": 0.06,
      "TiO2": 6.35,
      "Fe2O3": 3.5,
      "CuO": 0.87,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "cornwall stone",
        "amount": 33.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.5
      },
      {
        "material": "silica",
        "amount": 13.1
      },
      {
        "material": "gerstley borate",
        "amount": 11.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "whiting",
        "amount": 8.8
      },
      {
        "material": "lithium carbonate",
        "amount": 6.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.3
      },
      {
        "material": "copper carbonate",
        "amount": 1.3
      },
      {
        "material": "total",
        "amount": 110.6
      }
    ]
  },
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    "id": "532123",
    "chemical_composition": {
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      "SiO2": 42.37,
      "Al2O3": 13.11,
      "Na2O": 0.53,
      "K2O": 7.94,
      "MgO": 0.04,
      "CaO": 5.66,
      "BaO": 16.8,
      "TiO2": 2.29,
      "Fe2O3": 0.17,
      "CoO": 0.34,
      "CuO": 2.09,
      "ZnO": 8.65,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 51.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 9.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 103.5
      }
    ]
  },
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    "id": "532127",
    "chemical_composition": {
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      "SiO2": 54.14,
      "Al2O3": 18.31,
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      "MgO": 1.22,
      "CaO": 4.68,
      "TiO2": 4.72,
      "Fe2O3": 0.53,
      "ZnO": 5.02,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 73.0
      },
      {
        "material": "silica",
        "amount": 7.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "533907",
    "chemical_composition": {
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      "SiO2": 55.22,
      "Al2O3": 20.4,
      "Na2O": 5.42,
      "K2O": 3.52,
      "MgO": 4.11,
      "CaO": 8.47,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.11,
      "ZnO": 2.7,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 21.22
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.78
      },
      {
        "material": "dolomite",
        "amount": 16.24
      },
      {
        "material": "calcined kaolin",
        "amount": 15.02
      },
      {
        "material": "silica",
        "amount": 10.61
      },
      {
        "material": "ep kaolin",
        "amount": 7.51
      },
      {
        "material": "soda ash",
        "amount": 4.23
      },
      {
        "material": "whiting",
        "amount": 4.04
      },
      {
        "material": "zinc oxide",
        "amount": 2.35
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "533931",
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      "SiO2": 51.7,
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      "Na2O": 4.39,
      "K2O": 3.15,
      "MgO": 4.48,
      "CaO": 8.49,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "ZrO2": 9.31,
      "Fe2O3": 0.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 37.97
      },
      {
        "material": "dolomite",
        "amount": 20.26
      },
      {
        "material": "custer feldspar",
        "amount": 12.66
      },
      {
        "material": "ep kaolin",
        "amount": 10.13
      },
      {
        "material": "calcined kaolin",
        "amount": 6.33
      },
      {
        "material": "silica",
        "amount": 6.33
      },
      {
        "material": "whiting",
        "amount": 3.79
      },
      {
        "material": "bentonite",
        "amount": 2.53
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 13.92
      },
      {
        "material": "total",
        "amount": 113.92
      }
    ]
  },
  {
    "id": "535181",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 261.295
      },
      {
        "material": "calculated oxide weight",
        "amount": 261.034
      },
      {
        "material": "loi",
        "amount": 0.1
      }
    ]
  },
  {
    "id": "535259",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 394.858
      },
      {
        "material": "calculated oxide weight",
        "amount": 394.266
      },
      {
        "material": "loi",
        "amount": 0.15
      }
    ]
  },
  {
    "id": "535265",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 408.902
      },
      {
        "material": "calculated oxide weight",
        "amount": 408.329
      },
      {
        "material": "loi",
        "amount": 0.14
      }
    ]
  },
  {
    "id": "535433",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 161.401
      },
      {
        "material": "calculated oxide weight",
        "amount": 161.337
      },
      {
        "material": "loi",
        "amount": 0.04
      }
    ]
  },
  {
    "id": "535443",
    "chemical_composition": {},
    "ingredients": [
      {
        "material": "analysis weight",
        "amount": 168.567
      },
      {
        "material": "calculated oxide weight",
        "amount": 168.18
      },
      {
        "material": "loi",
        "amount": 0.23
      }
    ]
  },
  {
    "id": "537066",
    "chemical_composition": {
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      "SiO2": 58.82,
      "Al2O3": 10.56,
      "B2O3": 2.37,
      "Li2O": 0.9,
      "Na2O": 3.52,
      "K2O": 1.51,
      "MgO": 1.58,
      "CaO": 9.87,
      "P2O5": 0.05,
      "TiO2": 0.01,
      "ZrO2": 6.75,
      "MnO2": 0.01,
      "Fe2O3": 0.13,
      "ZnO": 3.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 29.5
      },
      {
        "material": "silica",
        "amount": 27.1
      },
      {
        "material": "spodumene - canadian",
        "amount": 12.4
      },
      {
        "material": "whiting",
        "amount": 11.2
      },
      {
        "material": "gerstley borate",
        "amount": 8.8
      },
      {
        "material": "dolomite",
        "amount": 5.6
      },
      {
        "material": "zinc oxide",
        "amount": 3.9
      },
      {
        "material": "total base recipe",
        "amount": 98.5
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "bentonite",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "537077",
    "chemical_composition": {
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      "SiO2": 54.17,
      "Al2O3": 13.78,
      "Na2O": 2.6,
      "K2O": 4.38,
      "MgO": 0.06,
      "CaO": 10.46,
      "TiO2": 5.75,
      "Fe2O3": 0.84,
      "ZnO": 7.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "wollastonite",
        "amount": 24.0
      },
      {
        "material": "ball clay",
        "amount": 20.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 109.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "537086",
    "chemical_composition": {
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      "SiO2": 44.78,
      "Al2O3": 13.59,
      "Na2O": 6.62,
      "K2O": 0.1,
      "MgO": 0.03,
      "CaO": 6.27,
      "BaO": 17.27,
      "TiO2": 0.11,
      "Fe2O3": 0.11,
      "ZnO": 11.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 50.0
      },
      {
        "material": "barium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "537087",
    "chemical_composition": {
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      "SiO2": 56.96,
      "Al2O3": 10.29,
      "B2O3": 5.15,
      "Na2O": 1.96,
      "K2O": 4.06,
      "MgO": 5.88,
      "CaO": 8.43,
      "P2O5": 0.04,
      "TiO2": 4.01,
      "ZrO2": 3.04,
      "Fe2O3": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 35.0
      },
      {
        "material": "gerstley borate",
        "amount": 17.0
      },
      {
        "material": "silica",
        "amount": 12.0
      },
      {
        "material": "talc",
        "amount": 11.0
      },
      {
        "material": "ep kaolin",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.5
      },
      {
        "material": "total base recipe",
        "amount": 92.5
      },
      {
        "material": "zircopax",
        "amount": 4.0
      },
      {
        "material": "titanium dioxide",
        "amount": 3.5
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "537088",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.02,
      "Al2O3": 16.64,
      "Na2O": 2.09,
      "K2O": 2.76,
      "MgO": 0.21,
      "CaO": 17.45,
      "TiO2": 0.35,
      "Fe2O3": 0.47,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 50.0
      },
      {
        "material": "whiting",
        "amount": 25.0
      },
      {
        "material": "ball clay",
        "amount": 23.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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      "MgO": 0.08,
      "CaO": 11.05,
      "TiO2": 3.2,
      "Fe2O3": 0.6,
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      "LOI": 0.0
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    "ingredients": [
      {
        "material": "soda feldspar",
        "amount": 45.0
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      {
        "material": "ball clay",
        "amount": 25.0
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      {
        "material": "whiting",
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      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "total",
        "amount": 103.0
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    ]
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      "MgO": 4.85,
      "CaO": 12.86,
      "P2O5": 1.6,
      "TiO2": 0.13,
      "Fe2O3": 0.17,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 35.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "whiting",
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      {
        "material": "talc",
        "amount": 13.6
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "bone ash",
        "amount": 3.4
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 62.99,
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      "K2O": 0.84,
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      "CaO": 21.06,
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      "TiO2": 0.07,
      "Fe2O3": 0.17,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 37.2
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 14.9
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.1
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    ]
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    "chemical_composition": {
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      "SiO2": 55.77,
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      "K2O": 3.62,
      "MgO": 0.04,
      "CaO": 9.65,
      "P2O5": 0.01,
      "TiO2": 10.77,
      "Fe2O3": 0.13,
      "ZnO": 10.75,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "wollastonite",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "titanium dioxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
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    "id": "537094",
    "chemical_composition": {
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      "SiO2": 59.73,
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      "Li2O": 4.07,
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      "K2O": 0.04,
      "MgO": 2.9,
      "CaO": 14.97,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.09,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "spodumene",
        "amount": 49.77
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      {
        "material": "wollastonite",
        "amount": 30.33
      },
      {
        "material": "ep kaolin",
        "amount": 11.02
      },
      {
        "material": "talc",
        "amount": 8.88
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "537504",
    "chemical_composition": {
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      "SiO2": 61.39,
      "Al2O3": 10.55,
      "B2O3": 4.27,
      "Na2O": 2.47,
      "K2O": 1.94,
      "MgO": 0.02,
      "CaO": 12.78,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "ZrO2": 6.29,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 20.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "ferro frit 3134",
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      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "zircopax",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
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    "id": "537507",
    "chemical_composition": {
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      "SiO2": 48.05,
      "Al2O3": 15.99,
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      "Na2O": 3.24,
      "K2O": 4.49,
      "MgO": 0.22,
      "CaO": 10.67,
      "P2O5": 0.0,
      "TiO2": 5.78,
      "Fe2O3": 0.81,
      "ZnO": 9.61,
      "LOI": 0.0
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    "ingredients": [
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        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "total",
        "amount": 104.0
      }
    ]
  },
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    "id": "537511",
    "chemical_composition": {
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      "SiO2": 50.19,
      "Al2O3": 16.7,
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      "Na2O": 3.38,
      "K2O": 4.69,
      "MgO": 0.23,
      "CaO": 11.15,
      "P2O5": 0.0,
      "TiO2": 2.24,
      "Fe2O3": 0.18,
      "ZnO": 10.04,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "titanium dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "537514",
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      "SiO2": 49.1,
      "Al2O3": 16.34,
      "B2O3": 1.17,
      "Na2O": 3.31,
      "K2O": 4.59,
      "MgO": 0.22,
      "CaO": 10.91,
      "P2O5": 0.0,
      "TiO2": 3.94,
      "Fe2O3": 0.61,
      "ZnO": 9.82,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "537516",
    "chemical_composition": {
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      "SiO2": 47.54,
      "Al2O3": 15.82,
      "B2O3": 1.13,
      "Na2O": 3.21,
      "K2O": 4.44,
      "MgO": 0.21,
      "CaO": 10.56,
      "P2O5": 0.0,
      "TiO2": 6.67,
      "Fe2O3": 0.91,
      "ZnO": 9.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 16.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
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    "id": "537529",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.1,
      "Al2O3": 1.87,
      "B2O3": 1.34,
      "Li2O": 2.06,
      "Na2O": 7.71,
      "K2O": 1.19,
      "CaO": 3.18,
      "MnO2": 1.76,
      "ZnO": 22.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "zinc oxide",
        "amount": 22.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "537535",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.91,
      "Al2O3": 2.54,
      "B2O3": 1.81,
      "Na2O": 10.47,
      "K2O": 1.62,
      "CaO": 4.32,
      "CuO": 1.89,
      "ZnO": 29.43,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 70.0
      },
      {
        "material": "zinc oxide",
        "amount": 30.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "537537",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 51.93,
      "Al2O3": 4.14,
      "B2O3": 1.24,
      "Na2O": 7.6,
      "K2O": 2.52,
      "CaO": 3.0,
      "Fe2O3": 3.59,
      "CuO": 2.42,
      "ZnO": 23.54,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "custer feldspar",
        "amount": 15.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 4.0
      },
      {
        "material": "red iron oxide",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "537538",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.81,
      "Al2O3": 2.14,
      "B2O3": 1.53,
      "Na2O": 8.82,
      "K2O": 1.37,
      "CaO": 3.64,
      "MnO2": 3.3,
      "CuO": 1.83,
      "ZnO": 26.56,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 61.0
      },
      {
        "material": "zinc oxide",
        "amount": 28.0
      },
      {
        "material": "silica",
        "amount": 11.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "537551",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 20.65,
      "Al2O3": 12.74,
      "Na2O": 0.09,
      "K2O": 0.24,
      "MgO": 0.08,
      "CaO": 0.09,
      "P2O5": 0.06,
      "TiO2": 0.26,
      "MnO2": 61.75,
      "Fe2O3": 0.35,
      "CuO": 3.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 48.0
      },
      {
        "material": "ep kaolin",
        "amount": 15.0
      },
      {
        "material": "ball clay",
        "amount": 12.0
      },
      {
        "material": "black copper oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 77.5
      }
    ]
  },
  {
    "id": "537557",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 4.48,
      "Al2O3": 3.81,
      "MnO2": 82.25,
      "CuO": 9.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "manganese dioxide",
        "amount": 10.0
      },
      {
        "material": "cmc gum",
        "amount": 1.0
      },
      {
        "material": "black copper oxide",
        "amount": 1.0
      },
      {
        "material": "kaolin",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 13.0
      }
    ]
  },
  {
    "id": "537569",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.75,
      "Al2O3": 18.72,
      "B2O3": 0.4,
      "Na2O": 9.79,
      "K2O": 3.88,
      "MgO": 0.03,
      "CaO": 6.99,
      "TiO2": 0.05,
      "Fe2O3": 0.11,
      "CuO": 3.29,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "537570",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.44,
      "Al2O3": 17.63,
      "B2O3": 0.38,
      "Na2O": 9.22,
      "K2O": 3.65,
      "MgO": 0.03,
      "CaO": 6.58,
      "TiO2": 0.05,
      "MnO2": 2.51,
      "Fe2O3": 2.84,
      "CoO": 1.82,
      "CuO": 1.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "537575",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.85,
      "Al2O3": 19.38,
      "Na2O": 8.24,
      "K2O": 3.82,
      "MgO": 1.48,
      "CaO": 2.25,
      "MnO2": 2.7,
      "FeO": 0.81,
      "Fe2O3": 2.79,
      "CoO": 1.96,
      "CuO": 0.52,
      "ZnO": 6.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 75.0
      },
      {
        "material": "dolomite",
        "amount": 6.0
      },
      {
        "material": "zinc oxide",
        "amount": 6.0
      },
      {
        "material": "total base recipe",
        "amount": 87.0
      },
      {
        "material": "bentonite",
        "amount": 5.0
      },
      {
        "material": "black iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "black copper oxide",
        "amount": 0.5
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "537578",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 43.17,
      "Al2O3": 20.34,
      "Li2O": 4.1,
      "Na2O": 6.15,
      "K2O": 2.86,
      "MgO": 0.08,
      "CaO": 5.9,
      "P2O5": 4.27,
      "TiO2": 0.24,
      "Fe2O3": 12.89,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 61.5
      },
      {
        "material": "tile #6 kaolin",
        "amount": 17.5
      },
      {
        "material": "bone ash",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 10.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 14.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
  {
    "id": "537579",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.56,
      "Al2O3": 11.29,
      "B2O3": 0.91,
      "Li2O": 2.53,
      "Na2O": 2.41,
      "K2O": 2.98,
      "MgO": 1.95,
      "CaO": 9.39,
      "P2O5": 0.0,
      "TiO2": 0.11,
      "Fe2O3": 10.88,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "cornwall stone",
        "amount": 61.0
      },
      {
        "material": "whiting",
        "amount": 8.0
      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "lithium carbonate",
        "amount": 5.5
      },
      {
        "material": "silica",
        "amount": 5.5
      },
      {
        "material": "gerstley borate",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "537581",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.87,
      "Al2O3": 10.31,
      "B2O3": 5.55,
      "Na2O": 3.15,
      "K2O": 2.13,
      "MgO": 1.55,
      "CaO": 6.96,
      "P2O5": 0.04,
      "TiO2": 0.06,
      "Fe2O3": 8.21,
      "CoO": 1.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 26.0
      },
      {
        "material": "silica",
        "amount": 26.0
      },
      {
        "material": "custer feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 17.0
      },
      {
        "material": "talc",
        "amount": 5.0
      },
      {
        "material": "whiting",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 9.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 113.0
      }
    ]
  },
  {
    "id": "537584",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.01,
      "Al2O3": 15.25,
      "Na2O": 2.58,
      "K2O": 3.48,
      "MgO": 3.59,
      "CaO": 10.59,
      "P2O5": 0.09,
      "TiO2": 0.28,
      "Fe2O3": 4.15,
      "CoO": 1.99,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "alberta slip",
        "amount": 85.0
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "537587",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.67,
      "Al2O3": 20.58,
      "Li2O": 2.03,
      "Na2O": 5.96,
      "K2O": 2.84,
      "MgO": 0.03,
      "CaO": 7.22,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "MnO2": 2.76,
      "Fe2O3": 0.19,
      "CoO": 2.0,
      "CuO": 0.68,
      "ZnO": 10.92,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 53.9
      },
      {
        "material": "ep kaolin",
        "amount": 17.9
      },
      {
        "material": "whiting",
        "amount": 11.7
      },
      {
        "material": "zinc oxide",
        "amount": 10.3
      },
      {
        "material": "lithium carbonate",
        "amount": 4.7
      },
      {
        "material": "silica",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "537588",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.9,
      "Al2O3": 12.77,
      "Na2O": 1.12,
      "K2O": 3.67,
      "MgO": 0.07,
      "CaO": 17.87,
      "P2O5": 0.01,
      "TiO2": 0.22,
      "MnO2": 2.51,
      "Fe2O3": 3.03,
      "CoO": 1.82,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 38.0
      },
      {
        "material": "custer feldspar",
        "amount": 36.0
      },
      {
        "material": "ball clay",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "red iron oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 109.0
      }
    ]
  },
  {
    "id": "537595",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.22,
      "Al2O3": 10.28,
      "B2O3": 5.03,
      "Li2O": 2.66,
      "Na2O": 1.85,
      "K2O": 2.33,
      "MgO": 2.19,
      "CaO": 7.08,
      "P2O5": 0.02,
      "TiO2": 0.24,
      "ZrO2": 6.35,
      "Fe2O3": 3.02,
      "SnO2": 4.72,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "albany slip discontinued",
        "amount": 56.1
      },
      {
        "material": "gerstley borate",
        "amount": 18.7
      },
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 9.4
      },
      {
        "material": "silica",
        "amount": 9.4
      },
      {
        "material": "lithium carbonate",
        "amount": 6.5
      },
      {
        "material": "total base recipe",
        "amount": 100.1
      },
      {
        "material": "superpax",
        "amount": 9.4
      },
      {
        "material": "tin oxide",
        "amount": 4.7
      },
      {
        "material": "total",
        "amount": 114.2
      }
    ]
  },
  {
    "id": "537598",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.87,
      "Al2O3": 13.54,
      "B2O3": 7.68,
      "Na2O": 5.93,
      "K2O": 1.23,
      "MgO": 0.02,
      "CaO": 6.7,
      "P2O5": 0.05,
      "TiO2": 6.14,
      "Fe2O3": 0.83,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 35.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 7.0
      },
      {
        "material": "total",
        "amount": 107.0
      }
    ]
  },
  {
    "id": "537600",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.33,
      "Al2O3": 2.28,
      "B2O3": 1.19,
      "Na2O": 6.97,
      "K2O": 1.1,
      "MgO": 0.06,
      "CaO": 2.87,
      "TiO2": 8.02,
      "Fe2O3": 0.11,
      "ZnO": 25.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 45.0
      },
      {
        "material": "zinc oxide",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "total base recipe",
        "amount": 89.0
      },
      {
        "material": "titanium dioxide",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "537606",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.41,
      "Al2O3": 14.62,
      "Li2O": 0.46,
      "Na2O": 5.75,
      "K2O": 2.68,
      "MgO": 3.77,
      "CaO": 9.18,
      "ZrO2": 9.6,
      "Fe2O3": 1.85,
      "ZnO": 6.67,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 58.0
      },
      {
        "material": "dolomite",
        "amount": 18.0
      },
      {
        "material": "zircopax",
        "amount": 15.0
      },
      {
        "material": "petalite",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 7.0
      },
      {
        "material": "zinc oxide",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 115.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 117.0
      }
    ]
  },
  {
    "id": "537613",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.52,
      "Al2O3": 18.97,
      "B2O3": 0.41,
      "Na2O": 9.92,
      "K2O": 3.93,
      "MgO": 0.03,
      "CaO": 7.08,
      "TiO2": 0.05,
      "Fe2O3": 2.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 70.0
      },
      {
        "material": "ferro frit 3110",
        "amount": 15.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "537620",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.81,
      "Al2O3": 14.0,
      "Na2O": 3.83,
      "K2O": 2.93,
      "MgO": 0.11,
      "CaO": 11.68,
      "TiO2": 4.04,
      "Fe2O3": 0.23,
      "NiO": 2.47,
      "ZnO": 7.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "minspar 200",
        "amount": 46.0
      },
      {
        "material": "cornwall stone",
        "amount": 23.0
      },
      {
        "material": "whiting",
        "amount": 19.0
      },
      {
        "material": "zinc oxide",
        "amount": 8.0
      },
      {
        "material": "ball clay",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "bentonite",
        "amount": 3.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "537632",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.1,
      "Al2O3": 1.87,
      "B2O3": 1.34,
      "Li2O": 2.06,
      "Na2O": 7.71,
      "K2O": 1.19,
      "CaO": 3.18,
      "MnO2": 1.76,
      "ZnO": 22.78,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3110",
        "amount": 50.0
      },
      {
        "material": "silica",
        "amount": 22.5
      },
      {
        "material": "zinc oxide",
        "amount": 22.5
      },
      {
        "material": "lithium carbonate",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "537636",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.93,
      "Al2O3": 16.63,
      "Li2O": 0.41,
      "Na2O": 6.27,
      "K2O": 2.99,
      "MgO": 0.04,
      "CaO": 0.26,
      "SrO": 14.01,
      "TiO2": 5.09,
      "Fe2O3": 0.15,
      "CuO": 3.21,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "strontium carbonate",
        "amount": 20.0
      },
      {
        "material": "ball clay",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "lithium carbonate",
        "amount": 1.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "titanium dioxide",
        "amount": 5.0
      },
      {
        "material": "total",
        "amount": 110.0
      }
    ]
  },
  {
    "id": "537855",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.69,
      "Al2O3": 22.87,
      "Na2O": 3.94,
      "K2O": 3.56,
      "MgO": 4.81,
      "CaO": 6.95,
      "P2O5": 0.02,
      "TiO2": 0.04,
      "Fe2O3": 0.11,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 28.98
      },
      {
        "material": "dolomite",
        "amount": 19.51
      },
      {
        "material": "calcined kaolin",
        "amount": 16.1
      },
      {
        "material": "g-200 feldspar",
        "amount": 16.1
      },
      {
        "material": "silica",
        "amount": 10.73
      },
      {
        "material": "ep kaolin",
        "amount": 8.59
      },
      {
        "material": "total",
        "amount": 100.01
      }
    ]
  },
  {
    "id": "543923",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 60.89,
      "Al2O3": 9.18,
      "Na2O": 1.28,
      "K2O": 4.08,
      "MgO": 0.05,
      "CaO": 8.94,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.15,
      "CuO": 3.26,
      "ZnO": 12.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "copper carbonate",
        "amount": 5.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "543934",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 59.72,
      "Al2O3": 9.0,
      "Na2O": 1.25,
      "K2O": 4.01,
      "MgO": 0.05,
      "CaO": 8.77,
      "P2O5": 0.01,
      "TiO2": 0.02,
      "Fe2O3": 0.15,
      "CuO": 5.11,
      "ZnO": 11.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 40.0
      },
      {
        "material": "silica",
        "amount": 20.0
      },
      {
        "material": "wollastonite",
        "amount": 18.0
      },
      {
        "material": "zinc oxide",
        "amount": 12.0
      },
      {
        "material": "ep kaolin",
        "amount": 5.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "copper carbonate",
        "amount": 8.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "544946",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 49.74,
      "Al2O3": 16.66,
      "B2O3": 1.19,
      "Na2O": 3.49,
      "K2O": 4.71,
      "MgO": 0.21,
      "CaO": 11.63,
      "P2O5": 0.0,
      "TiO2": 2.0,
      "Fe2O3": 0.4,
      "ZnO": 9.97,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "544948",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 45.88,
      "Al2O3": 15.36,
      "B2O3": 1.1,
      "Na2O": 3.22,
      "K2O": 4.34,
      "MgO": 0.19,
      "CaO": 10.72,
      "P2O5": 0.0,
      "TiO2": 7.37,
      "Fe2O3": 0.97,
      "CuO": 1.64,
      "ZnO": 9.2,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "custer feldspar",
        "amount": 30.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.0
      },
      {
        "material": "whiting",
        "amount": 17.0
      },
      {
        "material": "grolleg kaolin",
        "amount": 14.0
      },
      {
        "material": "zinc oxide",
        "amount": 9.0
      },
      {
        "material": "silica",
        "amount": 5.0
      },
      {
        "material": "gerstley borate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 99.0
      },
      {
        "material": "rutile",
        "amount": 8.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.5
      },
      {
        "material": "total",
        "amount": 109.5
      }
    ]
  },
  {
    "id": "545459",
    "chemical_composition": {
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      "CaO": 11.16,
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      "BaO": 1.54,
      "TiO2": 2.09,
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      "Fe2O3": 0.51,
      "CuO": 4.2,
      "ZnO": 1.19,
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    "ingredients": [
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        "material": "forshammar feldspar",
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      },
      {
        "material": "johnson matthey frit 169",
        "amount": 19.0
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      {
        "material": "ball clay",
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      {
        "material": "whiting",
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      },
      {
        "material": "kaolin e",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 4.0
      },
      {
        "material": "rutile",
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      },
      {
        "material": "total",
        "amount": 106.0
      },
      {
        "material": "celsius fahrenheit total 8",
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      }
    ]
  },
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      {
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      {
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      },
      {
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      {
        "material": "total base recipe",
        "amount": 83.0
      },
      {
        "material": "black copper oxide",
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      {
        "material": "rutile",
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      },
      {
        "material": "total",
        "amount": 89.0
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    ]
  },
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    "ingredients": [
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        "material": "custer feldspar",
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      {
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      },
      {
        "material": "gerstley borate",
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      },
      {
        "material": "barium carbonate",
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      },
      {
        "material": "tennessee ball clay",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 106.0
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    ]
  },
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    "id": "549329",
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        "material": "analysis weight",
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      {
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        "material": "loi",
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    ]
  },
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    "ingredients": [
      {
        "material": "analysis weight",
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      {
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      {
        "material": "loi",
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    ]
  },
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    "id": "549558",
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        "material": "calculated oxide weight",
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      },
      {
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        "amount": 1.77
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    ]
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    "id": "549628",
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      "CaO": 9.55,
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      "TiO2": 0.11,
      "Fe2O3": 2.41,
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    "ingredients": [
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        "material": "minspar 200",
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      {
        "material": "ep kaolin",
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      {
        "material": "dolomite",
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      {
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      {
        "material": "spodumene",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
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      {
        "material": "bentonite",
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      },
      {
        "material": "red iron oxide",
        "amount": 1.95
      },
      {
        "material": "total",
        "amount": 104.01
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    ]
  },
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    "id": "549684",
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      "CuO": 3.14,
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        "material": "nepheline syenite",
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      },
      {
        "material": "silica",
        "amount": 22.0
      },
      {
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      {
        "material": "kaolin e",
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      {
        "material": "whiting",
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      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black copper oxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 103.0
      },
      {
        "material": "celsius fahrenheit total 8",
        "amount": 38.0
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    ]
  },
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    "id": "552086",
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    "ingredients": [
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        "material": "helmer kaolin",
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      {
        "material": "custer feldspar",
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      {
        "material": "silica",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "552783",
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      "CaO": 7.84,
      "P2O5": 0.04,
      "TiO2": 7.18,
      "Fe2O3": 0.18,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "silica",
        "amount": 14.0
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "gerstley borate",
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      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
        "amount": 88.0
      },
      {
        "material": "titanium dioxide",
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      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 97.0
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    ]
  },
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    "id": "552802",
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      "TiO2": 7.26,
      "Fe2O3": 0.18,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      {
        "material": "silica",
        "amount": 14.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "gerstley borate",
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      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
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      },
      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
        "amount": 6.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 95.5
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    ]
  },
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    "id": "552805",
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      "TiO2": 5.55,
      "Fe2O3": 0.23,
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "gerstley borate",
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      },
      {
        "material": "whiting",
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      },
      {
        "material": "lithium carbonate",
        "amount": 6.0
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      {
        "material": "total base recipe",
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      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 87.0
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    ]
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    "id": "552807",
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      "CuO": 3.06,
      "LOI": 0.0
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    "ingredients": [
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        "material": "ferro frit 3124",
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      },
      {
        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "wollastonite",
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      },
      {
        "material": "grolleg kaolin",
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      },
      {
        "material": "dolomite",
        "amount": 7.0
      },
      {
        "material": "total base recipe",
        "amount": 107.0
      },
      {
        "material": "copper carbonate",
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      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "552808",
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      "CaO": 7.58,
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      "TiO2": 0.08,
      "Fe2O3": 0.2,
      "CuO": 0.72,
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
        "amount": 11.7
      },
      {
        "material": "zinc oxide",
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      },
      {
        "material": "lithium carbonate",
        "amount": 4.7
      },
      {
        "material": "silica",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "552815",
    "chemical_composition": {
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      "Al2O3": 19.66,
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      "Na2O": 9.22,
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      "MgO": 5.33,
      "CaO": 8.48,
      "P2O5": 0.01,
      "TiO2": 0.14,
      "Fe2O3": 0.21,
      "NiO": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
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      },
      {
        "material": "gerstley borate",
        "amount": 5.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "nickel carbonate",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
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    "id": "552822",
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      "Li2O": 0.8,
      "Na2O": 3.51,
      "K2O": 1.2,
      "MgO": 2.98,
      "CaO": 10.9,
      "P2O5": 3.34,
      "TiO2": 0.08,
      "Fe2O3": 11.36,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "bone ash",
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      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "total",
        "amount": 114.0
      }
    ]
  },
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    "id": "552825",
    "chemical_composition": {
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      "SiO2": 50.69,
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      "Li2O": 0.81,
      "Na2O": 3.58,
      "K2O": 1.22,
      "MgO": 3.03,
      "CaO": 11.1,
      "P2O5": 3.4,
      "TiO2": 1.88,
      "Fe2O3": 7.96,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
        "amount": 21.6
      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 7.9
      },
      {
        "material": "whiting",
        "amount": 7.9
      },
      {
        "material": "magnesium carbonate",
        "amount": 6.3
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 8.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 112.0
      }
    ]
  },
  {
    "id": "552827",
    "chemical_composition": {
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      "SiO2": 48.84,
      "Al2O3": 13.33,
      "B2O3": 2.41,
      "Li2O": 0.78,
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      "K2O": 1.17,
      "MgO": 2.92,
      "CaO": 10.69,
      "P2O5": 3.27,
      "TiO2": 1.81,
      "Fe2O3": 11.33,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 23.6
      },
      {
        "material": "silica",
        "amount": 21.7
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "ferro frit 3134",
        "amount": 11.0
      },
      {
        "material": "bone ash",
        "amount": 7.9
      },
      {
        "material": "whiting",
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      },
      {
        "material": "magnesium carbonate",
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      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 12.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 116.0
      }
    ]
  },
  {
    "id": "552832",
    "chemical_composition": {
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      "Al2O3": 21.01,
      "Li2O": 4.24,
      "Na2O": 6.35,
      "K2O": 2.96,
      "MgO": 0.08,
      "CaO": 6.1,
      "P2O5": 4.41,
      "TiO2": 0.24,
      "Fe2O3": 10.02,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 61.5
      },
      {
        "material": "tile #6 kaolin",
        "amount": 17.5
      },
      {
        "material": "bone ash",
        "amount": 10.5
      },
      {
        "material": "lithium carbonate",
        "amount": 10.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.5
      },
      {
        "material": "total",
        "amount": 110.5
      }
    ]
  },
  {
    "id": "552833",
    "chemical_composition": {
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      "SiO2": 54.62,
      "Al2O3": 11.4,
      "B2O3": 2.47,
      "Na2O": 2.31,
      "K2O": 1.0,
      "MgO": 5.3,
      "CaO": 8.86,
      "P2O5": 3.21,
      "TiO2": 0.08,
      "Fe2O3": 10.74,
      "LOI": 0.0
    },
    "ingredients": [
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        "material": "silica",
        "amount": 25.0
      },
      {
        "material": "ep kaolin",
        "amount": 16.7
      },
      {
        "material": "nepheline syenite a270",
        "amount": 16.7
      },
      {
        "material": "dolomite",
        "amount": 8.3
      },
      {
        "material": "gerstley borate",
        "amount": 8.3
      },
      {
        "material": "talc",
        "amount": 8.3
      },
      {
        "material": "bone ash",
        "amount": 6.7
      },
      {
        "material": "total base recipe",
        "amount": 90.0
      },
      {
        "material": "red iron oxide",
        "amount": 10.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "552834",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.59,
      "Al2O3": 11.37,
      "B2O3": 2.48,
      "Na2O": 2.31,
      "K2O": 1.0,
      "MgO": 5.32,
      "CaO": 9.89,
      "P2O5": 3.98,
      "TiO2": 0.08,
      "Fe2O3": 8.98,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 27.27
      },
      {
        "material": "ep kaolin",
        "amount": 18.18
      },
      {
        "material": "nepheline syenite a270",
        "amount": 18.18
      },
      {
        "material": "bone ash",
        "amount": 9.09
      },
      {
        "material": "dolomite",
        "amount": 9.09
      },
      {
        "material": "gerstley borate",
        "amount": 9.09
      },
      {
        "material": "talc",
        "amount": 9.09
      },
      {
        "material": "total base recipe",
        "amount": 99.99
      },
      {
        "material": "red iron oxide",
        "amount": 9.09
      },
      {
        "material": "total",
        "amount": 109.08
      }
    ]
  },
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    "id": "553222",
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      "Amt.": 0.0,
      "SiO2": 49.8,
      "Al2O3": 10.12,
      "B2O3": 1.98,
      "Li2O": 0.72,
      "Na2O": 2.94,
      "K2O": 1.46,
      "MgO": 2.52,
      "CaO": 9.39,
      "P2O5": 4.04,
      "TiO2": 1.63,
      "Fe2O3": 15.4,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kona f-4 feldspar discontinued",
        "amount": 33.6
      },
      {
        "material": "silica",
        "amount": 23.7
      },
      {
        "material": "ep kaolin",
        "amount": 12.5
      },
      {
        "material": "bone ash",
        "amount": 10.7
      },
      {
        "material": "ferro frit 3134",
        "amount": 9.8
      },
      {
        "material": "magnesium carbonate",
        "amount": 5.9
      },
      {
        "material": "whiting",
        "amount": 3.8
      },
      {
        "material": "lithium carbonate",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 102.0
      },
      {
        "material": "red iron oxide",
        "amount": 18.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 122.0
      }
    ]
  },
  {
    "id": "553227",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 58.98,
      "Al2O3": 10.33,
      "B2O3": 6.02,
      "Na2O": 2.85,
      "K2O": 2.56,
      "MgO": 3.25,
      "CaO": 9.49,
      "P2O5": 0.05,
      "TiO2": 4.82,
      "Fe2O3": 1.09,
      "CoO": 0.55,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 30.0
      },
      {
        "material": "ep kaolin",
        "amount": 20.0
      },
      {
        "material": "g200 hp feldspar, g200hp discontinued",
        "amount": 20.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talc",
        "amount": 11.5
      },
      {
        "material": "wollastonite",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 110.0
      },
      {
        "material": "rutile",
        "amount": 6.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 117.5
      }
    ]
  },
  {
    "id": "553231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.18,
      "Al2O3": 9.46,
      "B2O3": 2.76,
      "Na2O": 1.99,
      "K2O": 0.83,
      "MgO": 0.38,
      "CaO": 20.77,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.17,
      "CuO": 1.34,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "wollastonite",
        "amount": 37.2
      },
      {
        "material": "silica",
        "amount": 23.5
      },
      {
        "material": "ep kaolin",
        "amount": 14.9
      },
      {
        "material": "nepheline syenite a270",
        "amount": 14.5
      },
      {
        "material": "gerstley borate",
        "amount": 9.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "553233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 54.57,
      "Al2O3": 14.15,
      "B2O3": 10.32,
      "Na2O": 4.62,
      "K2O": 0.12,
      "MgO": 0.04,
      "CaO": 8.9,
      "P2O5": 0.09,
      "TiO2": 4.57,
      "Fe2O3": 0.76,
      "CoO": 1.86,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "ferro frit 3134",
        "amount": 46.0
      },
      {
        "material": "ep kaolin",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 18.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 5.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 108.0
      }
    ]
  },
  {
    "id": "553234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 48.12,
      "Al2O3": 19.59,
      "Na2O": 8.98,
      "K2O": 3.48,
      "MgO": 5.12,
      "CaO": 7.35,
      "TiO2": 0.14,
      "MnO2": 2.01,
      "FeO": 0.6,
      "Fe2O3": 1.71,
      "CoO": 2.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 93.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 4.0
      },
      {
        "material": "black iron oxide",
        "amount": 2.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "553236",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 47.48,
      "Al2O3": 19.33,
      "Na2O": 8.86,
      "K2O": 3.43,
      "MgO": 5.06,
      "CaO": 7.25,
      "TiO2": 0.14,
      "MnO2": 2.97,
      "FeO": 0.89,
      "Fe2O3": 2.44,
      "CoO": 2.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 60.0
      },
      {
        "material": "dolomite",
        "amount": 20.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 10.0
      },
      {
        "material": "soda ash",
        "amount": 3.0
      },
      {
        "material": "total base recipe",
        "amount": 93.0
      },
      {
        "material": "black iron oxide",
        "amount": 3.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 3.0
      },
      {
        "material": "manganese dioxide",
        "amount": 3.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "553241",
    "chemical_composition": {
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      "SiO2": 50.06,
      "Al2O3": 16.65,
      "B2O3": 3.25,
      "Li2O": 1.97,
      "Na2O": 5.78,
      "K2O": 2.56,
      "MgO": 0.45,
      "CaO": 9.36,
      "SrO": 4.25,
      "P2O5": 0.04,
      "TiO2": 4.9,
      "Cr2O3": 0.27,
      "Fe2O3": 0.46,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 42.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "gerstley borate",
        "amount": 10.0
      },
      {
        "material": "silica",
        "amount": 10.0
      },
      {
        "material": "whiting",
        "amount": 10.0
      },
      {
        "material": "strontium carbonate",
        "amount": 5.0
      },
      {
        "material": "lithium carbonate",
        "amount": 4.0
      },
      {
        "material": "total base recipe",
        "amount": 91.0
      },
      {
        "material": "titanium dioxide",
        "amount": 4.0
      },
      {
        "material": "iron chromate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 95.5
      }
    ]
  },
  {
    "id": "553246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.24,
      "Al2O3": 11.9,
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      "K2O": 1.73,
      "MgO": 0.02,
      "CaO": 6.26,
      "P2O5": 0.03,
      "TiO2": 3.36,
      "Fe2O3": 0.47,
      "CoO": 0.61,
      "ZnO": 9.73,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 3.8
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 104.8
      }
    ]
  },
  {
    "id": "553247",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 61.3,
      "Al2O3": 11.72,
      "Na2O": 3.59,
      "K2O": 1.71,
      "MgO": 0.02,
      "CaO": 6.17,
      "P2O5": 0.02,
      "TiO2": 3.49,
      "Fe2O3": 0.48,
      "NiO": 1.92,
      "ZnO": 9.58,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "rutile",
        "amount": 4.0
      },
      {
        "material": "green nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "553250",
    "chemical_composition": {
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      "SiO2": 64.73,
      "Al2O3": 12.38,
      "Na2O": 3.8,
      "K2O": 1.8,
      "MgO": 0.02,
      "CaO": 6.51,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.59,
      "ZnO": 10.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 36.0
      },
      {
        "material": "silica",
        "amount": 31.0
      },
      {
        "material": "wollastonite",
        "amount": 13.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "zinc oxide",
        "amount": 10.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "553252",
    "chemical_composition": {
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      "SiO2": 58.74,
      "Al2O3": 21.65,
      "B2O3": 1.24,
      "Li2O": 1.12,
      "Na2O": 7.02,
      "K2O": 3.26,
      "MgO": 0.24,
      "CaO": 3.77,
      "P2O5": 0.0,
      "TiO2": 1.9,
      "Fe2O3": 0.42,
      "CoO": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 64.8
      },
      {
        "material": "spodumene",
        "amount": 13.9
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 7.4
      },
      {
        "material": "silica",
        "amount": 4.7
      },
      {
        "material": "gerstley borate",
        "amount": 4.6
      },
      {
        "material": "whiting",
        "amount": 4.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 2.0
      },
      {
        "material": "rutile",
        "amount": 2.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 105.0
      }
    ]
  },
  {
    "id": "553823",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.77,
      "Al2O3": 20.67,
      "B2O3": 4.21,
      "Li2O": 0.38,
      "Na2O": 4.41,
      "K2O": 2.35,
      "MgO": 5.93,
      "CaO": 8.64,
      "SrO": 0.02,
      "BaO": 1.18,
      "TiO2": 0.0,
      "FeO": 0.02,
      "Fe2O3": 0.49,
      "ZnO": 0.91,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "kaolin e",
        "amount": 35.0
      },
      {
        "material": "forshammar feldspar",
        "amount": 25.0
      },
      {
        "material": "dolomite",
        "amount": 23.0
      },
      {
        "material": "johnson matthey frit 169",
        "amount": 13.0
      },
      {
        "material": "spodumene",
        "amount": 4.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "557121",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.92,
      "Al2O3": 13.75,
      "Na2O": 2.2,
      "K2O": 1.94,
      "MgO": 1.16,
      "CaO": 2.44,
      "SrO": 0.07,
      "BaO": 0.13,
      "P2O5": 0.15,
      "TiO2": 0.76,
      "ZrO2": 0.03,
      "Cr2O3": 0.01,
      "MnO": 0.04,
      "MnO2": 17.46,
      "Fe2O3": 2.92,
      "CoO": 0.01,
      "NiO": 0.01,
      "CuO": 0.0,
      "ZnO": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 30.0
      },
      {
        "material": "nefelina sienita - 2024/ crecer testing",
        "amount": 21.0
      },
      {
        "material": "manganese dioxide",
        "amount": 19.0
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 17.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "557160",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.77,
      "Al2O3": 13.85,
      "Na2O": 2.32,
      "K2O": 1.8,
      "MgO": 1.22,
      "CaO": 2.45,
      "SrO": 0.02,
      "BaO": 0.1,
      "P2O5": 0.1,
      "TiO2": 0.95,
      "ZrO2": 0.01,
      "Cr2O3": 0.01,
      "MnO": 0.04,
      "MnO2": 17.01,
      "Fe2O3": 3.34,
      "CoO": 0.01,
      "NiO": 0.0,
      "CuO": 0.01,
      "ZnO": 0.0,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 28.0
      },
      {
        "material": "nefelina sienita - 2024/ crecer testing",
        "amount": 21.0
      },
      {
        "material": "manganese dioxide",
        "amount": 18.5
      },
      {
        "material": "caolin imerys - 2024/crecer testing",
        "amount": 14.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 1.5
      },
      {
        "material": "titanium dioxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "559954",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 53.83,
      "Al2O3": 9.57,
      "B2O3": 1.42,
      "Li2O": 0.18,
      "Na2O": 2.66,
      "K2O": 1.54,
      "MgO": 5.67,
      "CaO": 10.05,
      "SrO": 0.1,
      "BaO": 0.03,
      "P2O5": 5.82,
      "TiO2": 0.83,
      "ZrO2": 0.07,
      "Cr2O3": 0.02,
      "MnO": 0.07,
      "Fe2O3": 8.09,
      "CoO": 0.01,
      "NiO": 0.02,
      "CuO": 0.0,
      "ZnO": 0.02,
      "PbO": 0.02,
      "CeO2": 0.01,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "caolín patagónico - 2024/crecer",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 18.5
      },
      {
        "material": "talco chino - 2024/crecer testing",
        "amount": 12.5
      },
      {
        "material": "fa 210 /2024 - crecer testing",
        "amount": 12.0
      },
      {
        "material": "spodumene (crecer) 2024 testing",
        "amount": 8.0
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "yellow iron oxide",
        "amount": 5.4
      },
      {
        "material": "total",
        "amount": 105.4
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "568107",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 31.98,
      "Al2O3": 7.58,
      "Na2O": 2.12,
      "K2O": 3.33,
      "MgO": 8.94,
      "CaO": 16.61,
      "SrO": 0.58,
      "BaO": 0.14,
      "P2O5": 1.0,
      "TiO2": 5.02,
      "ZrO2": 0.21,
      "Cr2O3": 0.11,
      "MnO": 0.28,
      "Fe2O3": 21.92,
      "CoO": 0.04,
      "NiO": 0.11,
      "CuO": 0.01,
      "ZnO": 0.03,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "total",
        "amount": 100.0
      },
      {
        "material": "celsius fahrenheit total 11",
        "amount": 51.0
      }
    ]
  },
  {
    "id": "568110",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 44.2,
      "Al2O3": 14.0,
      "Na2O": 2.35,
      "K2O": 1.66,
      "MgO": 2.66,
      "CaO": 12.76,
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        "amount": 100.0
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      {
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      {
        "material": "total",
        "amount": 101.0
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    ]
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      {
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        "amount": 24.0
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      {
        "material": "total base recipe",
        "amount": 100.0
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        "amount": 100.0
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "bentonite",
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        "material": "total base recipe",
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      {
        "material": "bentonite",
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        "material": "total",
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        "material": "fusion frit f367",
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "bentonite",
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      {
        "material": "total base recipe",
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        "material": "bentonite",
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        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "bentonite",
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    ]
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      {
        "material": "total base recipe",
        "amount": 100.0
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      {
        "material": "bentonite",
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        "material": "total",
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    ]
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        "material": "ep kaolin",
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        "material": "fusion frit f367",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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        "material": "fusion frit f367",
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      {
        "material": "total",
        "amount": 100.0
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    ]
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        "material": "nepheline syenite a270",
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        "material": "silica",
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        "material": "fusion frit f367",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      },
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        "material": "ep kaolin",
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        "material": "fusion frit f367",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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        "material": "nepheline syenite a270",
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      },
      {
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        "material": "ep kaolin",
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      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "593105",
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      },
      {
        "material": "nepheline syenite a270",
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        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "593107",
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    "ingredients": [
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        "material": "silica",
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      {
        "material": "nepheline syenite a270",
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      {
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593108",
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      "CaO": 8.94,
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      "TiO2": 0.05,
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    "ingredients": [
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        "material": "silica",
        "amount": 42.3
      },
      {
        "material": "nepheline syenite a270",
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      {
        "material": "whiting",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593109",
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      "K2O": 1.27,
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      "TiO2": 0.05,
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      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 45.8
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      {
        "material": "nepheline syenite a270",
        "amount": 23.3
      },
      {
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        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593110",
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      "CaO": 7.87,
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      "LOI": 0.0
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    "ingredients": [
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      {
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "593111",
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      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite a270",
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        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite a270",
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        "material": "whiting",
        "amount": 22.1
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      },
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        "material": "fusion frit f367",
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      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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    "id": "593113",
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        "amount": 35.1
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      {
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        "amount": 20.2
      },
      {
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      {
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      {
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      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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      {
        "material": "ep kaolin - calcined",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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        "material": "ep kaolin - calcined",
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      {
        "material": "total",
        "amount": 100.0
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    ]
  },
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        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
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    ]
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    "ingredients": [
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        "material": "silica",
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      {
        "material": "nepheline syenite a270",
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      {
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      {
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      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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        "material": "silica",
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      },
      {
        "material": "nepheline syenite a270",
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        "material": "fusion frit f367",
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      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "ingredients": [
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        "material": "silica",
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      },
      {
        "material": "nepheline syenite a270",
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        "material": "ep kaolin",
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      {
        "material": "fusion frit f367",
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      },
      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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        "material": "silica",
        "amount": 45.2
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      {
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      {
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      {
        "material": "ep kaolin - calcined",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
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      },
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593124",
    "chemical_composition": {
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      {
        "material": "ep kaolin",
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      {
        "material": "silica",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593126",
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        "material": "nepheline syenite a270",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593127",
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    "ingredients": [
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        "material": "nepheline syenite a270",
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      {
        "material": "silica",
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      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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        "material": "silica",
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      },
      {
        "material": "nepheline syenite a270",
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      },
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        "material": "ep kaolin",
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      },
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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        "material": "silica",
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      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      {
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        "material": "ep kaolin - calcined",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593130",
    "chemical_composition": {
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        "material": "silica",
        "amount": 35.3
      },
      {
        "material": "nepheline syenite a270",
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      },
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        "material": "ep kaolin",
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      },
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593131",
    "chemical_composition": {
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    "ingredients": [
      {
        "material": "silica",
        "amount": 39.0
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
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      },
      {
        "material": "ep kaolin - calcined",
        "amount": 6.1
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593132",
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    "ingredients": [
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        "material": "silica",
        "amount": 42.4
      },
      {
        "material": "nepheline syenite a270",
        "amount": 21.3
      },
      {
        "material": "ep kaolin",
        "amount": 13.5
      },
      {
        "material": "whiting",
        "amount": 12.1
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.8
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593134",
    "chemical_composition": {
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      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "LOI": 0.0
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    "ingredients": [
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        "material": "silica",
        "amount": 45.1
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.3
      },
      {
        "material": "ep kaolin",
        "amount": 12.9
      },
      {
        "material": "whiting",
        "amount": 11.5
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 5.5
      },
      {
        "material": "fusion frit f367",
        "amount": 4.7
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593136",
    "chemical_composition": {
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    "ingredients": [
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        "material": "silica",
        "amount": 51.3
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.9
      },
      {
        "material": "whiting",
        "amount": 12.2
      },
      {
        "material": "ep kaolin",
        "amount": 10.7
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
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    "id": "593383",
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      "CaO": 7.45,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.18,
      "CoO": 0.19,
      "LOI": 0.0
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    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 41.5
      },
      {
        "material": "magnesium carbonate",
        "amount": 18.85
      },
      {
        "material": "fusion frit f367",
        "amount": 16.16
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      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
        "amount": 10.47
      },
      {
        "material": "silica",
        "amount": 1.9
      },
      {
        "material": "total base recipe",
        "amount": 99.75
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.0
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    ]
  },
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      "CoO": 0.19,
      "LOI": 0.0
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    "ingredients": [
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        "material": "nepheline syenite a270",
        "amount": 40.97
      },
      {
        "material": "magnesium carbonate",
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      },
      {
        "material": "fusion frit f367",
        "amount": 15.84
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      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
        "amount": 10.35
      },
      {
        "material": "calcined kaolin",
        "amount": 2.04
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      {
        "material": "silica",
        "amount": 1.42
      },
      {
        "material": "total base recipe",
        "amount": 99.75
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "chemical_composition": {
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      "SiO2": 48.34,
      "Al2O3": 18.15,
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      "Na2O": 6.41,
      "K2O": 2.36,
      "MgO": 10.22,
      "CaO": 7.09,
      "P2O5": 0.03,
      "TiO2": 0.05,
      "Fe2O3": 0.17,
      "CoO": 0.19,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 40.45
      },
      {
        "material": "magnesium carbonate",
        "amount": 18.1
      },
      {
        "material": "fusion frit f367",
        "amount": 15.51
      },
      {
        "material": "whiting",
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      {
        "material": "ep kaolin",
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      },
      {
        "material": "calcined kaolin",
        "amount": 4.09
      },
      {
        "material": "silica",
        "amount": 0.95
      },
      {
        "material": "total base recipe",
        "amount": 99.74
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 100.99
      }
    ]
  },
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      "CaO": 6.92,
      "P2O5": 0.03,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.93
      },
      {
        "material": "magnesium carbonate",
        "amount": 17.73
      },
      {
        "material": "fusion frit f367",
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      },
      {
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      {
        "material": "ep kaolin",
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      {
        "material": "calcined kaolin",
        "amount": 6.13
      },
      {
        "material": "silica",
        "amount": 0.47
      },
      {
        "material": "total base recipe",
        "amount": 99.75
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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      "TiO2": 0.04,
      "Fe2O3": 0.17,
      "CoO": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 39.4
      },
      {
        "material": "magnesium carbonate",
        "amount": 17.36
      },
      {
        "material": "fusion frit f367",
        "amount": 14.86
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "whiting",
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      {
        "material": "calcined kaolin",
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      },
      {
        "material": "total base recipe",
        "amount": 99.76
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.25
      },
      {
        "material": "total",
        "amount": 101.01
      }
    ]
  },
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    "id": "596193",
    "chemical_composition": {
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      "SiO2": 33.01,
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      "MgO": 0.02,
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      "BaO": 44.61,
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    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596194",
    "chemical_composition": {
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      "SiO2": 33.13,
      "Al2O3": 11.69,
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      "CaO": 0.14,
      "BaO": 44.76,
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    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "596195",
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      "BaO": 44.93,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
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    "id": "596197",
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    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "596199",
    "chemical_composition": {
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      "Na2O": 3.9,
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      "MgO": 0.02,
      "CaO": 0.14,
      "BaO": 44.84,
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      "TiO2": 0.05,
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      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 50.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 26.0
      },
      {
        "material": "ep kaolin",
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      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
        "amount": 3.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
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    "id": "596201",
    "chemical_composition": {
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      "SiO2": 50.53,
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      "CaO": 0.11,
      "BaO": 32.42,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "596202",
    "chemical_composition": {
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      "SiO2": 50.7,
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      "BaO": 32.53,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "CuO": 0.7,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "596203",
    "chemical_composition": {
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      "SiO2": 50.71,
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      "Na2O": 2.94,
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      "MgO": 0.04,
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      "BaO": 32.54,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "CoO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "596204",
    "chemical_composition": {
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      "SiO2": 50.5,
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      "Na2O": 2.92,
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      "MgO": 0.04,
      "CaO": 0.11,
      "BaO": 32.4,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Fe2O3": 0.12,
      "NiO": 1.09,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "596205",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.78,
      "Al2O3": 8.73,
      "B2O3": 2.98,
      "Na2O": 2.94,
      "K2O": 1.11,
      "MgO": 0.04,
      "CaO": 0.11,
      "BaO": 32.58,
      "P2O5": 0.02,
      "TiO2": 0.03,
      "Cr2O3": 0.55,
      "Fe2O3": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "barium carbonate",
        "amount": 38.4
      },
      {
        "material": "silica",
        "amount": 26.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.2
      },
      {
        "material": "ep kaolin",
        "amount": 8.1
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "bentonite",
        "amount": 1.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596207",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.64,
      "Al2O3": 9.49,
      "B2O3": 3.3,
      "Na2O": 3.2,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "CuO": 0.65,
      "ZnO": 24.23,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596208",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.51,
      "Al2O3": 9.47,
      "B2O3": 3.29,
      "Na2O": 3.19,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "MnO2": 0.88,
      "Fe2O3": 0.1,
      "ZnO": 24.17,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596209",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.46,
      "Al2O3": 9.46,
      "B2O3": 3.29,
      "Na2O": 3.19,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 1.05,
      "ZnO": 24.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596210",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.43,
      "Al2O3": 9.46,
      "B2O3": 3.28,
      "Na2O": 3.18,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Fe2O3": 0.1,
      "NiO": 1.01,
      "ZnO": 24.14,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596211",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 57.72,
      "Al2O3": 9.5,
      "B2O3": 3.3,
      "Na2O": 3.2,
      "K2O": 1.21,
      "MgO": 0.02,
      "CaO": 0.11,
      "P2O5": 0.03,
      "TiO2": 0.04,
      "Cr2O3": 0.51,
      "Fe2O3": 0.1,
      "ZnO": 24.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 33.5
      },
      {
        "material": "zinc oxide",
        "amount": 24.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 24.0
      },
      {
        "material": "ep kaolin",
        "amount": 10.0
      },
      {
        "material": "fusion frit f367",
        "amount": 8.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "596212",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.61,
      "Al2O3": 17.35,
      "B2O3": 4.3,
      "Na2O": 4.27,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 0.17,
      "SrO": 33.13,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "CoO": 0.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 900.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 901.0
      }
    ]
  },
  {
    "id": "596213",
    "chemical_composition": {
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      "Al2O3": 17.33,
      "B2O3": 4.3,
      "Na2O": 4.26,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 0.17,
      "SrO": 33.08,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "MnO2": 0.23,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
        "amount": 85.5
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 900.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 902.0
      }
    ]
  },
  {
    "id": "596214",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.54,
      "Al2O3": 17.32,
      "B2O3": 4.3,
      "Na2O": 4.26,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 0.17,
      "SrO": 33.07,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.22,
      "NiO": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
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      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 900.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 902.0
      }
    ]
  },
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    "id": "596215",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.59,
      "Al2O3": 17.34,
      "B2O3": 4.3,
      "Na2O": 4.26,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 0.17,
      "SrO": 33.11,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Cr2O3": 0.13,
      "Fe2O3": 0.22,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
        "amount": 85.5
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 900.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 901.0
      }
    ]
  },
  {
    "id": "596216",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 38.54,
      "Al2O3": 17.32,
      "B2O3": 4.3,
      "Na2O": 4.26,
      "K2O": 1.66,
      "MgO": 0.03,
      "CaO": 0.17,
      "SrO": 33.07,
      "P2O5": 0.07,
      "TiO2": 0.1,
      "Fe2O3": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 360.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 247.5
      },
      {
        "material": "ep kaolin",
        "amount": 198.0
      },
      {
        "material": "fusion frit f367",
        "amount": 85.5
      },
      {
        "material": "silica",
        "amount": 9.0
      },
      {
        "material": "total base recipe",
        "amount": 900.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 902.0
      }
    ]
  },
  {
    "id": "596218",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.86,
      "Al2O3": 12.17,
      "B2O3": 3.04,
      "Na2O": 3.0,
      "K2O": 1.17,
      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.27,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "CuO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.4
      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596219",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 56.19,
      "Al2O3": 12.24,
      "B2O3": 3.06,
      "Na2O": 3.02,
      "K2O": 1.17,
      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.4,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "CoO": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
        "amount": 20.4
      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "596220",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.65,
      "Al2O3": 12.12,
      "B2O3": 3.03,
      "Na2O": 2.99,
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      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.18,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "MnO2": 1.45,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
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    "id": "596221",
    "chemical_composition": {
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      "SiO2": 56.47,
      "Al2O3": 12.3,
      "B2O3": 3.08,
      "Na2O": 3.03,
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      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.52,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "596222",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 55.53,
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      "B2O3": 3.02,
      "Na2O": 2.98,
      "K2O": 1.16,
      "MgO": 0.02,
      "CaO": 0.12,
      "SrO": 23.13,
      "P2O5": 0.05,
      "TiO2": 0.07,
      "Fe2O3": 0.16,
      "NiO": 1.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "strontium carbonate",
        "amount": 29.7
      },
      {
        "material": "silica",
        "amount": 26.5
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 16.3
      },
      {
        "material": "fusion frit f367",
        "amount": 7.1
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
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    "id": "596226",
    "chemical_composition": {
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      "SiO2": 63.09,
      "Al2O3": 13.02,
      "B2O3": 4.17,
      "Na2O": 4.29,
      "K2O": 1.65,
      "MgO": 12.71,
      "CaO": 0.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "CuO": 0.69,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596227",
    "chemical_composition": {
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      "SiO2": 63.18,
      "Al2O3": 13.04,
      "B2O3": 4.18,
      "Na2O": 4.3,
      "K2O": 1.65,
      "MgO": 12.73,
      "CaO": 0.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Cr2O3": 0.54,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "596228",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.88,
      "Al2O3": 12.98,
      "B2O3": 4.16,
      "Na2O": 4.28,
      "K2O": 1.64,
      "MgO": 12.67,
      "CaO": 0.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 1.15,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596229",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.93,
      "Al2O3": 12.99,
      "B2O3": 4.16,
      "Na2O": 4.28,
      "K2O": 1.65,
      "MgO": 12.68,
      "CaO": 0.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "MnO2": 0.93,
      "Fe2O3": 0.13,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596230",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 62.85,
      "Al2O3": 12.97,
      "B2O3": 4.16,
      "Na2O": 4.28,
      "K2O": 1.64,
      "MgO": 12.66,
      "CaO": 0.15,
      "P2O5": 0.04,
      "TiO2": 0.05,
      "Fe2O3": 0.13,
      "NiO": 1.07,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 30.7
      },
      {
        "material": "talc",
        "amount": 24.1
      },
      {
        "material": "silica",
        "amount": 13.5
      },
      {
        "material": "ep kaolin",
        "amount": 13.0
      },
      {
        "material": "fusion frit f367",
        "amount": 10.1
      },
      {
        "material": "magnesium carbonate",
        "amount": 8.6
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596231",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.63,
      "Al2O3": 20.33,
      "B2O3": 5.15,
      "Na2O": 5.01,
      "K2O": 1.94,
      "MgO": 14.54,
      "CaO": 1.19,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "CuO": 0.75,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596232",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.82,
      "Al2O3": 20.41,
      "B2O3": 5.17,
      "Na2O": 5.03,
      "K2O": 1.95,
      "MgO": 14.6,
      "CaO": 1.19,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "CoO": 0.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 0.5
      },
      {
        "material": "total",
        "amount": 100.5
      }
    ]
  },
  {
    "id": "596233",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.45,
      "Al2O3": 20.26,
      "B2O3": 5.13,
      "Na2O": 4.99,
      "K2O": 1.94,
      "MgO": 14.49,
      "CaO": 1.18,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 1.37,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596234",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.5,
      "Al2O3": 20.28,
      "B2O3": 5.14,
      "Na2O": 5.0,
      "K2O": 1.94,
      "MgO": 14.5,
      "CaO": 1.18,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "MnO2": 1.01,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "596235",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 50.42,
      "Al2O3": 20.25,
      "B2O3": 5.13,
      "Na2O": 4.99,
      "K2O": 1.94,
      "MgO": 14.48,
      "CaO": 1.18,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "NiO": 1.16,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "nepheline syenite a270",
        "amount": 32.5
      },
      {
        "material": "ep kaolin",
        "amount": 22.0
      },
      {
        "material": "magnesium carbonate",
        "amount": 20.0
      },
      {
        "material": "fusion frit f367",
        "amount": 11.5
      },
      {
        "material": "talc",
        "amount": 9.0
      },
      {
        "material": "ep kaolin - calcined",
        "amount": 3.5
      },
      {
        "material": "whiting",
        "amount": 1.5
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
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    "id": "596237",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.61,
      "Al2O3": 18.9,
      "B2O3": 4.32,
      "Na2O": 4.16,
      "K2O": 1.63,
      "MgO": 0.04,
      "CaO": 17.77,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "CoO": 0.12,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
        "amount": 69.0
      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "cobalt carbonate",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 601.0
      }
    ]
  },
  {
    "id": "596238",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.57,
      "Al2O3": 18.88,
      "B2O3": 4.31,
      "Na2O": 4.16,
      "K2O": 1.63,
      "MgO": 0.04,
      "CaO": 17.76,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Cr2O3": 0.2,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
        "amount": 69.0
      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "chrome oxide",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 601.0
      }
    ]
  },
  {
    "id": "596239",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.48,
      "Al2O3": 18.85,
      "B2O3": 4.31,
      "Na2O": 4.15,
      "K2O": 1.62,
      "MgO": 0.04,
      "CaO": 17.73,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.63,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
        "amount": 69.0
      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "red iron oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 602.0
      }
    ]
  },
  {
    "id": "596240",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 52.49,
      "Al2O3": 18.86,
      "B2O3": 4.31,
      "Na2O": 4.15,
      "K2O": 1.62,
      "MgO": 0.04,
      "CaO": 17.73,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "MnO2": 0.34,
      "Fe2O3": 0.26,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
        "amount": 69.0
      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "manganese dioxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 602.0
      }
    ]
  },
  {
    "id": "596241",
    "chemical_composition": {
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      "SiO2": 52.47,
      "Al2O3": 18.85,
      "B2O3": 4.31,
      "Na2O": 4.15,
      "K2O": 1.62,
      "MgO": 0.04,
      "CaO": 17.72,
      "P2O5": 0.08,
      "TiO2": 0.12,
      "Fe2O3": 0.26,
      "NiO": 0.39,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "whiting",
        "amount": 159.0
      },
      {
        "material": "nepheline syenite a270",
        "amount": 159.0
      },
      {
        "material": "ep kaolin",
        "amount": 156.0
      },
      {
        "material": "silica",
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      },
      {
        "material": "fusion frit f367",
        "amount": 57.0
      },
      {
        "material": "total base recipe",
        "amount": 600.0
      },
      {
        "material": "black nickel oxide",
        "amount": 2.0
      },
      {
        "material": "total",
        "amount": 602.0
      }
    ]
  },
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    "id": "596243",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.61,
      "Al2O3": 12.93,
      "B2O3": 2.96,
      "Na2O": 2.84,
      "K2O": 1.11,
      "MgO": 0.03,
      "CaO": 12.14,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "CuO": 1.08,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.2
      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "copper carbonate",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596245",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.81,
      "Al2O3": 12.97,
      "B2O3": 2.96,
      "Na2O": 2.85,
      "K2O": 1.11,
      "MgO": 0.03,
      "CaO": 12.17,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Cr2O3": 0.78,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "chrome oxide",
        "amount": 0.7
      },
      {
        "material": "total",
        "amount": 100.7
      }
    ]
  },
  {
    "id": "596246",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.27,
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      "B2O3": 2.94,
      "Na2O": 2.83,
      "K2O": 1.11,
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      "CaO": 12.08,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 1.76,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
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      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "red iron oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596247",
    "chemical_composition": {
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      "SiO2": 66.36,
      "Al2O3": 12.88,
      "B2O3": 2.94,
      "Na2O": 2.83,
      "K2O": 1.11,
      "MgO": 0.03,
      "CaO": 12.09,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "MnO2": 1.45,
      "Fe2O3": 0.18,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.2
      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "manganese dioxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596248",
    "chemical_composition": {
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      "SiO2": 66.21,
      "Al2O3": 12.85,
      "B2O3": 2.94,
      "Na2O": 2.83,
      "K2O": 1.1,
      "MgO": 0.03,
      "CaO": 12.07,
      "P2O5": 0.05,
      "TiO2": 0.08,
      "Fe2O3": 0.18,
      "NiO": 1.66,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "silica",
        "amount": 35.8
      },
      {
        "material": "whiting",
        "amount": 19.2
      },
      {
        "material": "nepheline syenite a270",
        "amount": 19.2
      },
      {
        "material": "ep kaolin",
        "amount": 18.9
      },
      {
        "material": "fusion frit f367",
        "amount": 6.9
      },
      {
        "material": "total base recipe",
        "amount": 100.0
      },
      {
        "material": "black nickel oxide",
        "amount": 1.5
      },
      {
        "material": "total",
        "amount": 101.5
      }
    ]
  },
  {
    "id": "596532",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.61,
      "Al2O3": 25.02,
      "B2O3": 0.44,
      "Na2O": 1.0,
      "K2O": 3.27,
      "MgO": 0.16,
      "CaO": 1.75,
      "P2O5": 0.04,
      "TiO2": 0.22,
      "Fe2O3": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 22.0
      },
      {
        "material": "silica",
        "amount": 19.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 97.0
      },
      {
        "material": "pyrophyllite",
        "amount": 2.0
      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 102.0
      }
    ]
  },
  {
    "id": "596670",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 69.13,
      "Al2O3": 23.75,
      "B2O3": 0.42,
      "Na2O": 0.97,
      "K2O": 3.17,
      "MgO": 0.16,
      "CaO": 1.68,
      "P2O5": 0.04,
      "TiO2": 0.21,
      "Fe2O3": 0.47,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "silica",
        "amount": 23.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 22.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 101.0
      },
      {
        "material": "pyrax pyrophllite",
        "amount": 2.0
      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 106.0
      }
    ]
  },
  {
    "id": "596672",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 68.51,
      "Al2O3": 24.3,
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      "Na2O": 0.97,
      "K2O": 3.16,
      "MgO": 0.16,
      "CaO": 1.73,
      "P2O5": 0.04,
      "TiO2": 0.22,
      "Fe2O3": 0.48,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 21.0
      },
      {
        "material": "silica",
        "amount": 21.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 98.0
      },
      {
        "material": "pyrax pyrophllite",
        "amount": 2.0
      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 103.0
      }
    ]
  },
  {
    "id": "596673",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 67.12,
      "Al2O3": 25.22,
      "B2O3": 0.44,
      "Na2O": 1.05,
      "K2O": 3.46,
      "MgO": 0.17,
      "CaO": 1.78,
      "P2O5": 0.04,
      "TiO2": 0.22,
      "Fe2O3": 0.49,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 23.0
      },
      {
        "material": "silica",
        "amount": 17.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 96.0
      },
      {
        "material": "pyrax pyrophllite",
        "amount": 2.0
      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 101.0
      }
    ]
  },
  {
    "id": "596675",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 66.4,
      "Al2O3": 25.7,
      "B2O3": 0.45,
      "Na2O": 1.1,
      "K2O": 3.61,
      "MgO": 0.17,
      "CaO": 1.81,
      "P2O5": 0.04,
      "TiO2": 0.23,
      "Fe2O3": 0.5,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "grolleg kaolin",
        "amount": 25.0
      },
      {
        "material": "g-200 feldspar",
        "amount": 24.0
      },
      {
        "material": "silica",
        "amount": 15.0
      },
      {
        "material": "ep kaolin",
        "amount": 14.0
      },
      {
        "material": "kentucky om #4 ball clay",
        "amount": 12.0
      },
      {
        "material": "ferro frit 3124",
        "amount": 3.0
      },
      {
        "material": "wollastonite",
        "amount": 2.0
      },
      {
        "material": "total base recipe",
        "amount": 95.0
      },
      {
        "material": "pyrax pyrophllite",
        "amount": 2.0
      },
      {
        "material": "molochite",
        "amount": 2.0
      },
      {
        "material": "veegum t",
        "amount": 1.0
      },
      {
        "material": "total",
        "amount": 100.0
      }
    ]
  },
  {
    "id": "596676",
    "chemical_composition": {
      "Amt.": 0.0,
      "SiO2": 65.67,
      "Al2O3": 26.18,
      "B2O3": 0.45,
      "Na2O": 1.14,
      "K2O": 3.77,
      "MgO": 0.17,
      "CaO": 1.84,
      "P2O5": 0.04,
      "TiO2": 0.23,
      "Fe2O3": 0.51,
      "LOI": 0.0
    },
    "ingredients": [
      {
        "material": "g-200 feldspar",
        "amount": 25.0
      },
      {
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        "material": "kentucky om #4 ball clay",
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      {
        "material": "ferro frit 3124",
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      {
        "material": "pyrax pyrophllite",
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        "material": "molochite",
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        "material": "veegum t",
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      {
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        "amount": 99.0
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    "id": "596677",
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      {
        "material": "nepheline syenite a270",
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      {
        "material": "custer feldspar",
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        "material": "total",
        "amount": 115.0
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      {
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    "id": "611148",
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        "material": "nepheline syenite norwegian",
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        "material": "wollastonite",
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      {
        "material": "zinc oxide",
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        "material": "kaolin e",
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        "material": "talc",
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        "material": "copper carbonate",
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      },
      {
        "material": "titanium dioxide",
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      },
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        "material": "total",
        "amount": 113.0
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]