Gibbs energies of interaction of the CH2 and CHOH groups from freezing point data for aqueous binary mixtures of D-mannitol,myo-inositol,and cyclohexanol |
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| Authors: | Jan J Spitzer Ian R Tasker Robert H Wood |
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| Institution: | (1) Department of Chemistry, University of Lethbridge, T1K 3M4 Lethbridge, Alberta, Canada;(2) Energy Resources-O.S.R.D., Alberta Research Council, T6G 2C2 Edmonton, Alberta, Canada;(3) Department of Chemistry, University of Delaware, 19711 Newark, DE |
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| Abstract: | Freezing temperatures of dilute aqueous solutions of D-mannitol, myo-inositol, D-mannitol + myo-inositol, D-mannitol + cyclohexanol, and myo-inositol + cyclohexanol have been measured over the concentration range 0.1 to 1.0 mol-kg–1. These data yield pairwise molecular Gibbs energies of interaction which have been corrected to 25°C and treated according to the Savage-Wood additivity principle to give pairwise functional group Gibbs energies of interaction for CH2/CH2, CH2/COOH, and CHOH/CHOH. Anomalous behavior of some systems is discussed in terms of the interactions. |
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| Keywords: | Freezing points aqueous solutions D-mannitol myo-inositol cyclohexanol group interactions |
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