{
    "Metadata": {
        "version": "0.0.1",
        "last-modification": "06/05/2014"
    },
    "Basis": [
        {
            "label": "H2O",
            "molar_mass": 18.015 // g/mol

        },
        {
            "label": "HO[-]",
            "molar_mass": 1.008,
            "activity": {
                "a": 10.65,
                "b": 0
            }
        },
        {
            "label": "Ca[2+]",
            "molar_mass": 40.078,
            "activity": {
                "a": 4.86,
                "b": 0.15
            }
        },
        {
            "label": "SiO(HO)3[-]",
            "molar_mass": 95.008,
            "activity": {
                "a": 10.65,
                "b":  0.00
            }
        },
        {
            "label": "SO4[2-]",
            "molar_mass": 96.063,
            "activity": {
                "a":  5.31,
                "b": -0.07
            }
        },
        {
            "label": "HCO3[-]",
            "molar_mass": 61.016,
            "activity": {
                "a": 5.40,
                "b": 0.00
            }
        },
        {
            "label": "Na[+]",
            "molar_mass": 22.99,
            "activity": {
                "a": 4.32,
                "b": 0.06
            }
        },
        {
            "label": "Cl[+]",
            "molar_mass": 35.453,
            "activity": {
                "a": 3.71,
                "b": 0.01
            }
        }
    ],
    "Aqueous": [
        {
            "label": "H[+]",
            "composition": "H2O, - HO[-]",
            "log_k": 13.9995,
            "activity": {
                "a": 9.00,
                "b": 0.00
            }
        },
        {
            "label": "Si(OH)4",
            "composition": "SiO(HO)3[-], H2O, - HO[-]",
            "log_k": 4.8595
        },
        {
            "label": "SiO2(OH)2[2-]",
            "composition": "SiO(HO)3[-], - H2O, + HO[-]",
            "log_k": 0.1005,
            "activity": {
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "CaSO4(aq)",
            "composition": "Ca[2+], SO4[2-]",
            "log_k": -2.3
        },
        {
            "label": "CaOH[+]",
            "composition": "Ca[2+], HO[-]",
            "log_k": -1.2195,
            "activity":{
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "CO3[2-]",
            "composition": "HCO3[-], - H2O, HO[-]",
            "log_k": -3.6706,
            "activity": {
                "a": 5.40,
                "b": 0.00
            }
        },
        {
            "label": "CO2(aq)",
            "composition": "HCO3[-], - HO[-]",
            "log_k": 7.6476
        },
        {
            "label": "CaCO3(aq)",
            "composition": "Ca[2+], HCO3[-], HO[-], -H2O",
            "log_k": -6.8947
        },
        {
            "label": "CaHCO3[+]",
            "composition": "Ca[2+], HCO3[-]",
            "log_k": -1.1057,
            "activity": {
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "CaSiO(HO)3[+]",
            "composition": "Ca[2+], SiO(HO)3[-]",
            "log_k": -1.2,
            "activity": {
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "CaSiO2(HO)2(aq)",
            "composition": "Ca[2+], SiO(HO)3[-], HO[-], - H2O",
            "log_k": -4.4995
        },
        {
            "label": "NaOH(aq)",
            "composition": "Na[+], HO[-]",
            "log_k": 0.1805
        },
        {
            "label": "NaSO4[-]",
            "composition": "Na[+], SO4[2-]",
            "log_k": -0.7,
            "activity": {
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "NaCO3[-]",
            "composition": "Na[+], HO[-], HCO3[-], - H2O",
            "log_k": -4.9405,
            "activity": {
                "a": 4.00,
                "b": 0.00
            }
        },
        {
            "label": "NaHCO3(aq)",
            "composition": "Na[+], HCO3[-]",
            "log_k": 0.25
        }
    ],
    "Minerals": [
        {
            "label": "Portlandite",
            "composition": "Ca[2+], 2 HO[-]",
            "log_k": -5.1995
        },
        {
            "label": "SiO2,am",
            "composition": "SiO(HO)3[-], - H2O, - HO[-]",
            "log_k": 1.476
        },
        {
            "label": "CSH,jennite",
            "composition": "1.6667 Ca[2+], 2.3334 HO[-], SiO(HO)3[-], -0.5567 H2O",
            "log_k": -13.17
        },
        {
            "label": "CSH,tobermorite",
            "composition": "0.8333 Ca[2+], 0.6666 HO[-], SiO(HO)3[-], -0.5 H2O",
            "log_k": -8.00
        },
        {
            "label": "Calcite",
            "composition": "Ca[2+], HCO3[-], HO[-], -H2O",
            "log_k": -12.1505
        },
        {
            "label": "Gypsum",
            "composition": "Ca[2+], SO4[2-], 2 H2O",
            "log_k": -4.5809
        }
    ]
}