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https://dspace.ffh.bg.ac.rs/handle/123456789/1038| Title: | The influence of cathodic pretreatment on the kinetics of hydroxide ion oxidation on polycrystalline gold electrode | Authors: | Abu-Rabi, Andjela Jašin, Danijela Mentus, Slavko |
Keywords: | Gold electrode;Gold oxide;Hydroxide ion oxidation;Rotating disc electrode;Voltammetry | Issue Date: | 15-Feb-2007 | Journal: | Journal of Electroanalytical Chemistry | Abstract: | The electrochemical oxidation of the hydroxide ion was studied on a gold rotating disc electrode (RDE), in aqueous NaOH solutions in the presence of lithium perchlorate as a supporting electrolyte. By potentiodynamic polarization within the limits -1.6 V and +1.6 V vs. SCE, it was demonstrated that the overvoltage of the OH- ion oxidation reaction may be significantly reduced with a 5 min long delay at the vertex cathodic potential of -1.6 V. This finding was explained in terms of the type of gold oxide formed on the gold surface under different experimental conditions. © 2006 Elsevier B.V. All rights reserved. |
URI: | https://dspace.ffh.bg.ac.rs/handle/123456789/1038 | ISSN: | 1572-6657 | DOI: | 10.1016/j.jelechem.2006.09.009 |
| Appears in Collections: | Journal Article |
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