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Ionic molecular interactions in solutions of alkali metal iodides in N-methylpyrrolidone at 298.15 K according to calorimetry and densimetry data

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Abstract

The heat capacity and density of the ternary solutions of NaI–KI–N-methylpyrrolidone (MP), NaI–RbI–MP, KI–RbI–MP, and KI–BaI2–MP at 298.15 K were studied by calorimetry and densimetry. The changes in the heat capacity and volume during the formation of the ternary systems from binary solutions were calculated and discussed. Ion association was found to dominate during the mixing of electrolyte solutions of this type in MP, with ion resolvation occasionally producing a significant effect on ion association.

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Authors and Affiliations

  1. Novomoskovsk Institute, Mendeleev University of Chemical Technology of Russia, Novomoskovsk, Russia

    A. N. Novikov & L. Yu. Rassokhina

Authors
  1. A. N. Novikov
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  2. L. Yu. Rassokhina
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Correspondence to A. N. Novikov.

Additional information

Original Russian Text © A.N. Novikov, L.Yu. Rassokhina, 2015, published in Zhurnal Fizicheskoi Khimii, 2015, Vol. 89, No. 12, pp. 1881–1883.

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Novikov, A.N., Rassokhina, L.Y. Ionic molecular interactions in solutions of alkali metal iodides in N-methylpyrrolidone at 298.15 K according to calorimetry and densimetry data. Russ. J. Phys. Chem. 89, 2226–2228 (2015). https://doi.org/10.1134/S0036024415120213

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  • DOI: https://doi.org/10.1134/S0036024415120213

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