Simulation of coadsorption of inorganic ions and organic molecules on electrodesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Electrode coadsorption of two components, one of which reduces the dense-layer capacitance and the other leaves it unchanged, is examined within the framework of Alekseev-Popov-Kolotyrkin model supplemented by Frumkin isotherm. The adsorption behavior of model systems 0.1 M NaF + n-C4H9OH and 0.1 M NaCl + n-C4H9OH is analyzed, and the results of calculations are compared with experimental data. It is shown that, in choosing the electrical variable for the adsorption of components that reduce the dense-layer capacitance, the preference should be given to the potential drop in the dense layer. It is concluded that the height of anodic maximum in C vs. E curves can serve as a criterion of the lateral interaction between coadsorbed particles at the known parameters of individual adsorption.