Excess molar enthalpies of (methanol + 1-propanol) + oxane or 1,4-dioxane mixtures at the temperature 298.15 K |
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| Affiliation: | 1. College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, Jiangsu 225300, People’s Republic of China;2. Jiangsu Yahong Meditech Co, Ltd, Taizhou, Jiangsu 225002, People’s Republic of China;3. College of Chemistry & Chemical Engineering, YangZhou University, YangZhou, Jiangsu 225002, People’s Republic of China;1. Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;2. Department of Chemistry, College of Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;3. Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;4. Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan |
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| Abstract: | Experimental excess molar enthalpies HmE at the temperature 298.15 K and atmospheric pressure in a flow microcalorimeter are reported for the ternary mixtures: {x1CH3OH+x2C2H5OH+(1−x1−x2)C5H10O} and {x1CH3OH+x2C2H5OH+(1−x1−x2)C4H8O2}. The results have been correlated by means of a polynomial equation and used to construct constant excess enthalpy contours. Further, the results have been compared with those calculated from a UNIQUAC associated-solution model taking into consideration the molecular association of like alcohols, solvation between unlike alcohols and alcohols with oxane (tetrahydropyran) or 1,4-dioxane using only binary information. |
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