Decomposition of thiosulphate in acidified oxidants.
The Wollack procedure has been used to study the competition between oxidant and acid for the thiosulphate ion. In concentrated hydrochloric acid solutions of iodine, iodate and chloramine-T, polythionates are the chief products, whereas in acid permanganate substantial amounts of other products occur. Both the concentration of the acid and the acid anion affect the course of the reaction in these solutions. Production of polythionate, an acid-decomposition product, suggests that acid decomposition successfully competes with oxidation.
Latimer
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Department of Chemistry University of Utah, Salt Lake City Utah 84112, U.S.A.
Stetcko
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EI