Abstract
An analytical method for monitoring the Fe2+ concentration during liquid-phase sulfite oxidation catalyzed by iron ions is described. The concentration conditions under which the Fe(III)/Fe(II) ratio is uniquely related to the rate constant of the reaction SO −.5 + Fe2+ are found by computer analysis. The experimental and calculated Fe(III)/Fe(II) ratio data are in agreement at \(k_{(SO_5^{ - \cdot } + Fe^{2 + } )} = 3.2 \times 10^6 1mol^{ - 1} s^{ - 1} \). This is one of the three rate constant values known from the literature, which differ by a factor greater than 70.
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Original Russian Text © O.A. Travina, A.N. Ermakov, Yu.N. Kozlov, A.P. Purmal, 2006, published in Kinetika i Kataliz, 2006, Vol. 47, No. 3, pp. 347–352.
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Travina, O.A., Ermakov, A.N., Kozlov, Y.N. et al. The absolute value of the rate constant of the liquid-phase reaction SO −.5 + Fe(II). Kinet Catal 47, 341–346 (2006). https://doi.org/10.1134/S0023158406030037
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DOI: https://doi.org/10.1134/S0023158406030037