Oxidation of Acetonitrile‐Based Electrolyte Solutions at High Potentials: An In Situ Fourier Transform Infrared Spectroscopy Study
- 1 December 1993
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 140 (12) , 3390-3395
- https://doi.org/10.1149/1.2221100
Abstract
The oxidation of and solutions containing was studied on platinum and glassy carbon electrodes by in situ Fourier transform infrared spectroscopy. Both the solvent and the solute are unstable at potentials positive to ca. 2.2 V vs. SCE. The main oxidation product is . Other products detected are: acetamide , , and an unspecified “nitrogen oxide” . Carbon dioxide is formed via a reaction of acetonitrile with trace water as substantiated by the occurrence of an isotopic shift of the stretching vibration when using . The rate of the formation is increased by the presence of perchlorate anions and the Pt surface.Keywords
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