Thermodynamic study of systems with lower critical solution temperatures: H2O + (C2H5)3N,D2O + (C2H5)3N |
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Authors: | Abhai Chand Andrew R. McQuillan David V. Fenby |
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Affiliation: | Department of Chemistry, University of Otago, Dunedin New Zealand |
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Abstract: | Chand, A., McQuillan, A.R. and Fenby, D.V., 1979. Thermodynamic study of systems with lower critical solution temperatures: H2O + (C2H5)3N, D2O + (C2H5)3N. Fluid Phase Equilibria, 2: 263–274.Molar excess enthalpies and molar excess volumes are reported for the systems H2O + (C2H5)3N and D2O + (C2H5)3N at temperatures below and above their lower critical solution temperatures. The molar excess enthalpies are slightly less exothermic for the D2O system. The molar excess volumes of the H2O and D2O systems are within experimental error of one another. Compositions of conjugate solutions estimated from the calorimetric and volumetric measurements agree with those obtained from published liquid—liquid phase diagrams. |
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