{"compilation": {"title": "Solubility data from IUPAC SDS Volume 70 (page ?) - Methane with Tetramethylpolycarbonate (TMPC)", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Yuri P. Yampol'skii", "sources": [{"citation": "Pope, D. S.; Feming, G. K.; Koros, W. J.; Macromolecules 23, 2988 (1990).", "pubtype": "paper", "url": "https://doi.org/10.1021/ma00213a029"}], "system": "Methane with Tetramethylpolycarbonate (TMPC)", "substances": [{"constituent": 1, "name": "Methane", "formula": "CH4", "molweight": 16.0425, "casrn": "74-82-8", "inchi": "InChI=1S/CH4/h1H4", "inchikey": "VNWKTOKETHGBQD-UHFFFAOYSA-N", "sample": "$\\ce{CH4}$: purity 99.99%. TMPC: Dow Chemical Co., $\\rho = \\pu{1.08 g mL-1}$, $T_{\\rm{g}}$ = 476 K."}, {"constituent": 2, "name": "Tetramethylpolycarbonate (TMPC)", "formula": null, "molweight": 0.0, "casrn": "38797-88-5"}], "method": "Two methods of conditioning were studied. Conventionally conditioned isotherms were obtained with the samples which had been previously in contact with $\\ce{CO2}$ gas under pressure of 6.21 MPa for 2-3 h with consequent pumping for two days. Exchange conditioning runs a gravimetric technique was used. In two other types of experiments a pressure decay method was applied [1].", "reference": {"citation": "Koros, W. J.; Paul, D. R.; J. Polym. Sci., Polym. Phys. Ed., 1976, 14, 1903.", "pubtype": "paper", "url": "https://doi.org/10.1002/pol.1976.180141014"}, "dataset": [{"series": 1, "title": "Sorption isotherms of methane at 308 K in unconditioned , conventionally conditioned, and exchange-conditioned samples of TMPC (The original data were represented graphically)", "points": [{"pntnum": 1, "conditions": [], "data": [{"property": "Ambient pressure", "number": "4.2e-01", "significand": "4.2", "exponent": "-1", "sigfigs": "2", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "4.82e+00", "significand": "4.82", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 2, "conditions": [], "data": [{"property": "Ambient pressure", "number": "9.3e-01", "significand": "9.3", "exponent": "-1", "sigfigs": "2", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "8.25e+00", "significand": "8.25", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 3, "conditions": [], "data": [{"property": "Ambient pressure", "number": "1.49e+00", "significand": "1.49", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.104e+01", "significand": "1.104", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 4, "conditions": [], "data": [{"property": "Ambient pressure", "number": "2.05e+00", "significand": "2.05", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.320e+01", "significand": "1.320", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 5, "conditions": [], "data": [{"property": "Ambient pressure", "number": "2.60e+00", "significand": "2.60", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.515e+01", "significand": "1.515", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 6, "conditions": [], "data": [{"property": "Ambient pressure", "number": "3.12e+00", "significand": "3.12", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.679e+01", "significand": "1.679", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 7, "conditions": [], "data": [{"property": "Ambient pressure", "number": "3.72e+00", "significand": "3.72", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.852e+01", "significand": "1.852", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 8, "conditions": [], "data": [{"property": "Ambient pressure", "number": "4.31e+00", "significand": "4.31", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "2.004e+01", "significand": "2.004", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 9, "conditions": [], "data": [{"property": "Ambient pressure", "number": "4.94e+00", "significand": "4.94", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "2.145e+01", "significand": "2.145", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 10, "conditions": [], "data": [{"property": "Ambient pressure", "number": "7.2e-01", "significand": "7.2", "exponent": "-1", "sigfigs": "2", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "9.44e+00", "significand": "9.44", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{V_{1}/V_{2}}$"}], "supplemental": []}, {"pntnum": 11, "conditions": [], "data": [{"property": "Ambient pressure", "number": "1.77e+00", "significand": "1.77", "exponent": "0", "sigfigs": "3", "unit": "$\\pu{MPa}$"}, {"property": "Sorption", "number": "1.567e+01", "significand": "1.567", "exponent": "1", "sigfigs": "4", "unit": "$\\pu{V_{1}/V_{2}}$"}], 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