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Study of the double layer at the Hg/aqueous KCl interface at high temperatures

✍ Scribed by L.B. Kriksunov; O.A. Semenikhin; L.V. Bunakova

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
750 KB
Volume
38
Category
Article
ISSN
0013-4686

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✦ Synopsis

The differential capacity-potential relations for the mercury electrode in diluted aqueous KC1 solutions at the temperatures from ambient to 300Β°C were obtained. The values of zero charge potential of mercury at different temperatures were derived as the potential of the capacitance minimum. It was found that the pzc values, not corrected for the thermodiffusion potential drop, shift towards more positive potentials with the rise in temperature. The integral capacity and the charge of the electrode were calculated. Temperature dependencies of these parameters and also of the capacity of the Helmholtz layer are discussed. The $-potential values are calculated by Gouy-Chapman theory.

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