Structure of Electrical Double Layer at Gold Electrode
in Cyanide Solution

N. A. Rogozhnikov^z

Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences,
ul. Kutateladze 18, Novosibirsk, 630128 Russia

Received May 14, 2008

Abstract—The potential distribution in electrical double layer is calculated, basing on the data on the electrode
charge and cyanide-ion adsorption at the gold electrode. It is shown that the integral capacitances of regions in
the dense layer are not unambiguous functions of the electrode potential or charge per se, but depend also on
the amount of specifically adsorbed ions . A function is proposed for the describing of the dependence of
the dense layer integral capacitances.

Key words: electrical double layer, adsorption, gold electrode, cyanide-ion

DOI: 10.1134/S1023193509070027

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