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The kinetics of pentoxyl oxidation by hypochlorite ions

  • Chemical Kinetics and Catalysis
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Abstract

The kinetics of pentoxyl (I) oxidation in aqueous media under the action of hypochlorite ions was studied at pH 8.8 and 273–298 K. The order of the reaction with respect to both participants was found to be one. The temperature dependence of the reaction rate obeyed the Arrhenius law. The reaction activation parameters were found to be E a=11.08 kJ/mol, ΔH ≠=8.73 kJ/mol, ΔS ≠=−200.70 J/(mol K), and ΔG ≠=66.88 kJ/mol. Reaction stoichiometry was studied, the chemical characteristics of the process considered, and a mechanism of the oxidative transformation of I under the action of OCl− suggested.

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Authors and Affiliations

  1. Vitebsk State Medical University, Vitebsk, Belarus

    V. P. Kheidorov & O. A. Zyabkina

  2. Sechenov Medical Academy, Moscow, Russia

    Yu. A. Ershov

Authors
  1. V. P. Kheidorov
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  2. Yu. A. Ershov
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  3. O. A. Zyabkina
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Original Russian Text © V.P. Kheidorov, Yu.A. Ershov, O.A. Zyabkina, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 3, pp. 432–435.

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Kheidorov, V.P., Ershov, Y.A. & Zyabkina, O.A. The kinetics of pentoxyl oxidation by hypochlorite ions. Russ. J. Phys. Chem. 80, 353–356 (2006). https://doi.org/10.1134/S0036024406030083

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  • DOI: https://doi.org/10.1134/S0036024406030083

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