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The Enthalpies of Solution of L-cysteine, L-serine and L-asparagine in Aqueous Solutions of Some Alcohols at 298.15 K

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Abstract

Heats of solution, Δsol H m , of L-cysteine, L-serine and L-asparagine amino acids have been measured at different concentrations of aqueous ethanol, propanol and 2-propanol at 298.15 K using solvation calorimetry. These data are compared with the results reported earlier for L-alanine in ethanol. The enthalpic coefficients, h xy , of the solute-organic cosolvent pair interaction in water have been obtained from the McMillan-Mayer approach and the data have been interpreted in terms of various interactions and changes in solvent structure.

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Authors and Affiliations

  1. Laboratory of Thermodynamics of Solutions of Non-electrolytes and Biologically Active Substances, Institute of Solution Chemistry, Russian Academy of Sciences, 1 Akademicheskaya Street, 153045, Ivanovo, Russian Federation

    Valentin G. Badelin & Igor N. Mezhevoi

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  1. Valentin G. Badelin
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  2. Igor N. Mezhevoi
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Correspondence to Igor N. Mezhevoi.

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Badelin, V.G., Mezhevoi, I.N. The Enthalpies of Solution of L-cysteine, L-serine and L-asparagine in Aqueous Solutions of Some Alcohols at 298.15 K. J Solution Chem 38, 1217–1223 (2009). https://doi.org/10.1007/s10953-009-9441-0

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  • DOI: https://doi.org/10.1007/s10953-009-9441-0

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