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Mécanisme des réactions du chlorite et du dioxyde de chlore. 3. La dismutation du chlorite

1985/04/01 by Guy Schmitz, Henri Rooze
Environmental Science · #Advanced oxidation water treatment #Chemical Analysis and Environmental Impact #Water Treatment and Disinfection

paper · pdf · doi:10.1139/v85-162

openalex publication_date 1985/04/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Abstract

The disproportionation of chlorite was studied in 0.01 to 1 M perchloric acid solutions at 25 °C and an ionic strength of 1 M. The results suggest at least three reaction paths. The first is catalysed by Cl − ions, the second gives a second-order rate law, and the third is catalysed by iron. Its rate law is[Formula: see text]This can be interpreted by the reversible reaction [Formula: see text] followed by two rate-determining reactions Fe 2+ + HClO 2 → products, [Formula: see text] From this study and the former, made with added ortho-tolidine, we conclude that the second-order reaction proceeds by a radical chain mechanism.

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