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Solvent effect on catalytic properties of the HCI-DMF-1,1,2,2-tetrachloroethane system

  • Physical Chemistry
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Russian Chemical Bulletin Aims and scope

Abstract

Ionization of 2- and 3-nitroanilines was studied in HCl-DMF-1,1,2,2-tetrachloro-ethane (TCE) solutions at 25 °C. The ionization capability of the medium and basicity constants pK i of indicators change depending on the ratio of the components. The numerical values of pK i are found to depend on the analytical composition of the DMF-TCE solvent. The solvent effect on pK i is associated with a change in the solvation of the nonionized form of the indicators.

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Authors and Affiliations

  1. N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 4 ul. Kosygina, 117977, Moscow, Russian Federation

    I. S. Kislina & S. G. Sysoeva

  2. M. V. Lomonosov Moscow State Academy of Fine Chemical Technology, 86 prosy. Vernadskogo, 117571, Moscow, Russian Federation

    O. N. Temkin

Authors
  1. I. S. Kislina
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  2. S. G. Sysoeva
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  3. O. N. Temkin
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Translanted fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1446–1449, June, 1996.

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Kislina, I.S., Sysoeva, S.G. & Temkin, O.N. Solvent effect on catalytic properties of the HCI-DMF-1,1,2,2-tetrachloroethane system. Russ Chem Bull 45, 1376–1379 (1996). https://doi.org/10.1007/BF01434215

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  • DOI: https://doi.org/10.1007/BF01434215

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