Adsorption of dicarboxylic ions on polycrystalline gold electrode from solutions at constant cationic strength

Abstract
Studies on the specific adsorption of succinate and maleate anions at polycrystalline gold electrode from solutions at constant cationic strength are reported. The adsorption has been studied by differential capacity – potential measurements. The adsorption can be described by one-constant virial isotherm. The basic parameters of this isotherm are determined. Our experimental results are partly interpreted with the help of the results of the adsorption of dicarboxylic anions on the (210) and (311) faces of gold. Keywords: electrochemistry, adsorption, double layer, gold electrode, dicarboxylic ions.

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