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Reduction of indium at the dropping mercury electrode in non-complexing media

✍ Scribed by J.N. Gaur; D.S. Jain

Publisher: Elsevier Science
Year: 1966
Tongue: English
Weight: 313 KB
Volume: 11
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(66)80079-8

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✦ Synopsis

The reduction of indium at the dropping mercury electrode in sodium nitrate and sodium perchlorate solutions has been studied. The reduction is diffusion controlled but the process is not reversible. The kinetic parameters a and k, have been calculated by Gelling's method. The k, was found to be of the order of l-25 x 10-8cm/s, showing that the reduction is a quasi-reversible process. The effect of temperature and concentration of the supporting electrolyte on kinetic parameters have been investigated. The apparent heat of activation AH, has been calculated. As the temperature increases or the concentration of the supporting electrolyte decreases, the reduction proceeds towards more reversible side.

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