Reduction of triple-charged chromium ions on indium cathode in alkaline sulfate solutionsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The problem of how the surface coverage of an indium electrode with chromium adatoms formed during the discharge of Cr(III) ions affects electrolytic evolution of hydrogen in alkaline solutions is studied using linear and cyclic voltametry. The method used permits stating that, in alkalinized media, the chromium deposition abruptly decelerates due to the formation of a hydroxide film on the electrode surface. Based on the results obtained, it is assumed that this film consists of mixed Cr(III)- and Cr(II)-containing hydroxo compounds (of the chromite type) and coadsorbed Cr-n clusters formed in the course of electrolysis.