Abstract
Characteristics of electroreduction of Cr3+ and Cr2+ ions on the dropping mercury (literature data) and indium cathodes are analyzed as a function of pH of the medium. A hypothesis that polymeric hydroxocompounds of chromium, which are present in different aggregate states, represent the main or partial reactants in the \( Cr\left( {III} \right)\xrightarrow{{ + e}}Cr\left( {II} \right)\xrightarrow{{ + 2e}}Cr \) stages is additionally substantiated.
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Original Russian Text © V.N. Korshunov, V.A. Safonov, L.N. Vykhodtseva, 2008, published in Elektrokhimiya, 2008, Vol. 44, No. 3, pp. 275–285.
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Korshunov, V.N., Safonov, V.A. & Vykhodtseva, L.N. Structural features of the electrode/solution interface at the reduction of Cr3+(aq) cations on liquid mercury and solid indium electrodes in acidic media. Russ J Electrochem 44, 255–264 (2008). https://doi.org/10.1134/S1023193508030014
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DOI: https://doi.org/10.1134/S1023193508030014