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Thermochemical study of the reactions of acid–base interaction in an aqueous solution of α-aminobutyric acid

  • Chemical Thermodynamics and Thermochemistry
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Abstract

The heat effects of the interaction between a solution of α-aminobutyric acid and solutions of HNO3 and KОН are measured by means of calorimetry in different ranges of рН at 298.15 K and values of ionic strength of 0.25, 0.5, and 0.75 (KNO3). The heat effects of the stepwise dissociation of the amino acid are determined. Standard thermodynamic characteristics (Δr H 0, Δr G 0, and Δr S 0) of the reactions of acid–base interaction in aqueous solutions of α-aminobutyric acid are calculated. The connection between the thermodynamic characteristics of the dissociation of the amino acid and the structure of this compound is considered.

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Authors and Affiliations

  1. Ivanovo State University of Chemistry and Technology, Ivanovo, 153000, Russia

    A. I. Lytkin, V. V. Chernikov, O. N. Krutova, I. A. Skvortsov & A. S. Korchagina

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  1. A. I. Lytkin
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  2. V. V. Chernikov
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  3. O. N. Krutova
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  4. I. A. Skvortsov
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  5. A. S. Korchagina
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Correspondence to A. I. Lytkin.

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Original Russian Text © A.I. Lytkin, V.V. Chernikov, O.N. Krutova, I.A. Skvortsov, A.S. Korchagina, 2017, published in Zhurnal Fizicheskoi Khimii, 2017, Vol. 91, No. 1, pp. 5–9.

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Lytkin, A.I., Chernikov, V.V., Krutova, O.N. et al. Thermochemical study of the reactions of acid–base interaction in an aqueous solution of α-aminobutyric acid. Russ. J. Phys. Chem. 91, 1–5 (2017). https://doi.org/10.1134/S0036024417010174

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  • DOI: https://doi.org/10.1134/S0036024417010174

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