Enthalpy characteristics of the dissolution and solvation of crystalline L-proline in water-ethanol mixtures at 298.15 K |
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| Authors: | V. N. Vandyshev N. A. Litova |
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| Affiliation: | 1. Krestov Institute of Solution Chemistry, Ivanovo, 153045, Russia
2. Ivanovo State University of Chemistry and Technology, Ivanovo, 153000, Russia
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| Abstract: | Heats of solution of L-proline in water-ethanol mixtures at ethanol mole fractions in the range 0.00 < X EtOH < 0.70 are measured at 298.15 K via calorimetry. Standard enthalpies of solution of proline in water and water-alcohol mixtures are calculated and analyzed. Enthalpy coefficients of pair and triple acid-alcohol interactions in water at low alcohol concentrations are calculated in terms of the McMillan-Mayer theory. The obtained enthalpy characteristics are compared to those for previously investigated proline-containing water-alcohol systems. |
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