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Calculation of the composition of the organic phase of the H2O-HNO3-tri-n-butylphosphate system

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Abstract

This paper presents a model of the formation of hydrated and solvated ionic pair, nonhydrated monosolvate HNO3 · TBP (tri-n-butylphosphate), hydrated disolvate HNO3 · 2TBP, and semisolvate 2HNO3 · TBP, to which an unlimited number of HNO3 molecules can be added. The equilibrium was calculated using mole fractions. To calculate the mole fraction of free (not bonded to solvates) water, we suggested an equation containing four parameters, three of which are determined from the data for the independent TBP-H2O-diluent system.

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Authors and Affiliations

  1. Mendeleev Russian Chemical Technological University, Moscow, Russia

    A. V. Ochkin, D. Yu. Gladilov & S. Yu. Nekhaevskii

Authors
  1. A. V. Ochkin
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  2. D. Yu. Gladilov
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  3. S. Yu. Nekhaevskii
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Correspondence to A. V. Ochkin.

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Original Russian Text © A.V. Ochkin, D.Yu. Gladilov, S.Yu. Nekhaevskii, 2009, published in Zhurnal Fizicheskoi Khimii, 2009, Vol. 83, No. 10, pp. 1988–1991.

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Ochkin, A.V., Gladilov, D.Y. & Nekhaevskii, S.Y. Calculation of the composition of the organic phase of the H2O-HNO3-tri-n-butylphosphate system. Russ. J. Phys. Chem. 83, 1802–1806 (2009). https://doi.org/10.1134/S0036024409100318

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  • DOI: https://doi.org/10.1134/S0036024409100318

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