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Standard Enthalpy of Dissolution of Crystalline DL-Valyl-DL-leucin in Water and Aqueous Solutions of KOH

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Abstract

Standard enthalpies of combustion and formation of crystalline DL-valyl-DL-leucine are calculated. The thermal effects of the dissolution of crystalline DL-valyl-DL-leucine in aqueous and potassium hydroxide solutions at 298.15 K are determined via direct calorimetry. Standard enthalpies of formation of the peptide and the products of its dissociation in an aqueous solution are calculated.

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Funding

This work was performed at the Research Institute of Thermodynamics and Kinetics of Chemical Processes, Ivanovo State University of Chemical Technology, as the main part of a State Task, project no. 4.7104.2017/89.

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Authors and Affiliations

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

    A. I. Lytkin, V. V. Chernikov, O. N. Krutova & D. K. Smirnova

Authors
  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. D. K. Smirnova
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Corresponding author

Correspondence to O. N. Krutova.

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Translated by M. Aladina

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Lytkin, A.I., Chernikov, V.V., Krutova, O.N. et al. Standard Enthalpy of Dissolution of Crystalline DL-Valyl-DL-leucin in Water and Aqueous Solutions of KOH. Russ. J. Phys. Chem. 93, 1699–1702 (2019). https://doi.org/10.1134/S0036024419090115

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  • DOI: https://doi.org/10.1134/S0036024419090115

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