Coadsorption of halide anions and 1-adamantanol molecules on a mercury electrodeстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Stenina E.V. ,
Baturina O.A. ,
Sviridova L.N. ,
Damaskin B.B.
Журнал:
Russian Journal of Electrochemistry
Том:
37
Номер:
9
Год издания:
2001
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
931
Последняя страница:
938
DOI:
10.1023/A:1011996210341
Аннотация:
Coadsorption of 1-adamantanol (AdOH) and halide anions (F -, Cl -, Br -) at the Hg/H 2O interface is studied systematically. Experimental results are compared with calculations of these systems within a modified Alekseev-Popov-Kolotyrkin model complemented by a set of two Frumkin isotherms. A satisfactory agreement between experimental data and theoretical conclusions concerning dependences of the phase transition potentials and the adsorption-desorption potentials on the concentrations of supporting electrolyte and organic substances is established. The experimental and calculated potential dependences of the differential capacitance in the phase transition region in the case of the AdOH adsorption from electrolytes containing halide anions are compared. It is shown that the shape of experimental capacitance curves corresponds to either a weak attraction of species of different nature during concurrent adsorption or the absence of lateral interaction between them. Accounting for the contribution made by the energy of the diffuse double layer to the overall energy gain during the adsorption removes seeming contradictions in the interpretation of dependences studied. © 2001 MAIK "Nauka/Interperiodica".
Добавил в систему:
Дамаскин Борис Борисович