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The adsorption of formate and acetate ions on mercury electrodes from constant ionic strength solutions

✍ Scribed by Ernesto R. Gonzalez; Artur J. Motheo

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
538 KB
Volume
34
Category
Article
ISSN
0013-4686

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✦ Synopsis

The adsorption of formate and acetate ions on mercury electrodes was studied at 25Β°C from constant ionic strength solutions of composition XM HCQQNa+(O.S-x) M NaF and rcM CH,CQQNa + (0.5 -K) M NaF, respectively. The adsorption characteristics of the two anions are compared with previous results in single salt solutions. In both cases, the adsorbed charges are low and the characteristics of the inner layer suggest that the anions are adsorbed with the participation of the solvent. A virial isotherm with a second virial coefficient of 0.7 nm2/ion was found to describe adequately the behaviour of both anions.

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