{"compilation": {"title": "Solubility data from IUPAC SDS Volume 70 (page ?) - Methane with Polystyrene (PS)", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Yuri P. Yampol'skii", "sources": [{"citation": "Lundberg, J. L.; Wilk, B. M.; Huyett, M. J.; Ind. Eng. Chem. Fundam. 2, 37-43 (1963).", "pubtype": "paper", "url": "https://doi.org/10.1021/i160005a008"}, {"citation": "Lundberg, J. L.; Mooney, E. J.; Rogers, C. E.; J. Polym. Sci. A: Polym. Chem. 7, 947-962 (1969).", "pubtype": "paper", "url": "https://doi.org/10.1002/pol.1969.160070517"}], "system": "Methane with Polystyrene (PS)", "substances": [{"constituent": 1, "name": "Methane", "formula": "CH4", "molweight": 16.0425, "casrn": "74-82-8", "inchi": "InChI=1S/CH4/h1H4", "inchikey": "VNWKTOKETHGBQD-UHFFFAOYSA-N", "sample": "PS had $M_{\\rm{w}}$ = 500 000.<br/>Purity of methane was >99.0%."}, {"constituent": 2, "name": "Polystyrene (PS)", "formula": "(C8H8)n", "molweight": 104.149, "casrn": "9003-53-6", "inchi": "InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2", "inchikey": "PPBRXRYQALVLMV-UHFFFAOYSA-N"}], "method": "The method of 'interval' sorption was used. Pressure decrease due to sorption in a closed system of known volume was measured with a pressure transducer. Polymer samples were put between two discs of sintered glass. 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