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ADSORPTION KINETICS OF ELECTRODE PROCESSES AND THE MECHANISM OF KOLBE ELECTROSYNTHESIS. PART II: THE ROLE OF ADSORPTION IN PROCESSES TAKING PLACE DURING ELECTROLYSIS OF CARBOXYLIC ACID SALTSстатья
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 февраля 2018 г.
- Авторы: Vassiliev Yu B., Grinberg V.A.
- Журнал: Journal of Electroanalytical Chemistry
- Том: 336
- Номер: 1-2
- Год издания: 1992
- Издательство: Elsevier Sequoia
- Местоположение издательства: Switzerland
- Первая страница: 281
- Последняя страница: 307
- Аннотация: The kinetics of anodic processes taking place during the electrolysis of carboxylic acids in aqueous and non-aqueous solutions on platinum electrodes was studied over a broad potential range. Direct comparison of adsorption and kinetic studies conducted under the same conditions made it possible to draw conclusions on the role of adsorption in the processes taking place on the electrodes. At low potentials in aqueous solutions, the carboxylic acid is shown to undergo destructive oxidation via its alkyl group through a stage of chemisorption, the mechanism of which is analogous to that of electro-oxidation of hydrocarbons on platinum. In aqueous and most non-aqueous solvents, solvent oxidation precedes carboxylic acid anion discharge. The transition from solvent discharge to discharge of the carboxylic acid anion becomes possible owing to an increase in anion adsorption with increasing potential and to the displacement of the solvent molecules from the electrode surface by the adsorbed anions.
- Добавил в систему: Гринберг Виталий Аркадьевич