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Adsorption of p-toluenesulphonate anions at the polycrystalline gold-solution interface

✍ Scribed by Piotr Skołuda; Edward Dutkiewicz

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
485 KB
Volume
37
Category
Article
ISSN
0013-4686

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✦ Synopsis

A&m&-The adsorption ofp-toluenesulphonate anions on polycrystalline gold from mized solutions at constant ionic strength has been studied by measuring the differential capacity. The adsorption can be fitted by a Frumkin isotherm (with a value of 6.5 for the A parameter) and a Langmuir isotherm. The standard Gibbs energy of adsorption is a linear function of the surface charge. Tire inner-layer capacity is analysed into its components. The results obtained have been compared with the data for p-tohamesulphonate anions adsorption on the Hg electrode.

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