The oxidation of reduced glyoxal on gold polycrystalline electrodes in acidic solution

The oxidation of adsorbed glyoxal molecules reduced by hydrogen on gold electrodes in acidic solution has been studied. The adsorption of glyoxal on gold decreases the overvoltage for hydrogen evolution and provokes the adsorption and subsequent reaction of hydrogen on and with the glyoxal coverage....

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Bibliographic Details
Published in:Journal of electroanalytical chemistry and interfacial electrochemistry 1990-05, Vol.284 (1), p.97-114
Main Author: González-Velasco, J.
Format: Article
Language:English
Subjects:
Adsorption
Chemistry
Electrochemistry
Exact sciences and technology
General and physical chemistry
Study of interfaces
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Summary:The oxidation of adsorbed glyoxal molecules reduced by hydrogen on gold electrodes in acidic solution has been studied. The adsorption of glyoxal on gold decreases the overvoltage for hydrogen evolution and provokes the adsorption and subsequent reaction of hydrogen on and with the glyoxal coverage. The oxidation mechanism of the reduced glyoxal is studied by means of pseudocapacitance- potential curves.
ISSN:0022-0728
DOI:10.1016/0022-0728(90)87065-R