Quantitative description of the oscillatory behavior of the iodate-sulfite-thiourea system in CSTR

Gyula Rábai, Zsuzsa V. Nagy, Mihály T. Beck

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Abstract

In a limited range of concentration of the reactants, oscillatory changes of pH and iodide ion concentration are observed in the iodate - sulfite - thiourea system in a CSTR. These changes can be quantitatively described by the simultaneous solution of four empirical rate laws of the corresponding sub-systems (iodate-hydrogen sulfite, iodate-iodide, iodine-hydrogen sulfite, and iodine-thiourea), considering two equilibria (sulfite-hydrogen ion and iodine-iodide).

Original languageEnglish
Pages (from-to)23-29
Number of pages7
JournalReaction Kinetics and Catalysis Letters
Volume33
Issue number1
DOIs
Publication statusPublished - Mar 1 1987

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ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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