{"compilation": {"title": "Solubility data from IUPAC SDS Volume 66 (page ?) - Ammonium dihydrogenphosphate with Diammonium hydrogenphosphate, Potassium dihydrogenphosphate and Water", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Jitka Eysseltov\u00e1", "sources": [{"citation": "Vogel, L.; Figurski, G.; Vohland, P.; Z. Chem. 1983, 23, 331.", "pubtype": "paper", "url": "https://doi.org/10.1002/zfch.19830230904"}], "system": "Ammonium dihydrogenphosphate with Diammonium hydrogenphosphate, Potassium dihydrogenphosphate and Water", "substances": [{"constituent": 1, "name": "Ammonium dihydrogenphosphate", "formula": "NH4H2PO4", "molweight": 115.026, "casrn": "7722-76-1", "inchi": "InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)", "inchikey": "LFVGISIMTYGQHF-UHFFFAOYSA-N", "sample": "No information is given."}, {"constituent": 1, "name": "Diammonium hydrogenphosphate", "formula": "(NH4)2HPO4", "molweight": 132.056, "casrn": "7783-28-0", "inchi": "InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)", "inchikey": "MNNHAPBLZZVQHP-UHFFFAOYSA-N", "sample": "No information is given."}, {"constituent": 1, "name": "Potassium dihydrogenphosphate", "formula": "KH2PO4", "molweight": 136.086, "casrn": "7778-77-0", "inchi": "InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1", "inchikey": "GNSKLFRGEWLPPA-UHFFFAOYSA-M", "sample": "No information is given."}, {"constituent": 2, "name": "Water", "formula": "H2O", "molweight": 18.0153, "casrn": "7732-18-5", "inchi": "InChI=1S/H2O/h1H2", "inchikey": "XLYOFNOQVPJJNP-UHFFFAOYSA-N"}], "method": "The method and apparatus have been described previously [1]. However, plastic stoppers with glass caps were used instead of sealing the vessels.", "reference": {"citation": "Schuberth, H.; Abhandlung der Deutschen Akademie der Wissenschaften zu Berlin, Klasse fur Chemie, Geologie u. Biologie, Jg. Nr. 3 , p. 40 (1960).", "pubtype": "report"}, "dataset": [{"series": 1, "title": "Salt component | Constants: A,\u00a0B/K, C | Median error of smoothing (x)", "points": [{"pntnum": 1, "conditions": [], "data": [{"property": "Equation Coefficient (First)", "number": "3.6422e+01", "significand": "3.6422", "exponent": "1", "sigfigs": "5", "unit": "1"}, {"property": "Equation Coefficient (Second)", "number": "-3.370284e+03", "significand": "-3.370284", "exponent": "3", "sigfigs": "7", "unit": "$\\pu{K-1}$"}, {"property": "Equation Coefficient (Third)", "number": "-4.901e+00", "significand": "-4.901", "exponent": "0", "sigfigs": "4", "unit": "1"}], "supplemental": [{"property": "Error", "number": "1.56e-01", "significand": "1.56", "exponent": "-1", "sigfigs": "3", "unit": "1"}]}, {"pntnum": 2, "conditions": [], "data": [{"property": "Equation Coefficient (First)", "number": "-3.1639e+01", "significand": "-3.1639", "exponent": "1", "sigfigs": "5", "unit": "1"}, {"property": "Equation Coefficient (Second)", "number": "6.97129e+02", "significand": "6.97129", "exponent": "2", "sigfigs": "6", "unit": "$\\pu{K-1}$"}, {"property": "Equation Coefficient (Third)", "number": "4.718e+00", "significand": "4.718", "exponent": "0", "sigfigs": "4", "unit": "1"}], "supplemental": [{"property": "Error", "number": "7.2e-02", "significand": "7.2", "exponent": "-2", "sigfigs": "2", "unit": "1"}]}, {"pntnum": 3, "conditions": [], "data": [{"property": "Equation Coefficient (First)", "number": "-4.810e+00", "significand": "-4.810", "exponent": "0", "sigfigs": "4", "unit": "1"}, {"property": "Equation Coefficient (Second)", "number": "-1.510549e+03", "significand": "-1.510549", "exponent": "3", "sigfigs": "7", "unit": "$\\pu{K-1}$"}, {"property": "Equation Coefficient (Third)", "number": "1.128e+00", "significand": "1.128", "exponent": "0", "sigfigs": "4", "unit": "1"}], "supplemental": [{"property": "Error", "number": "9.4e-02", "significand": "9.4", "exponent": "-2", "sigfigs": "2", "unit": "1"}]}]}]}}