The effects of unequal approach of the methanol dipoles to the surfaces of mercury and the gallium group metalsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Emets V.V. ,
Damaskin B.B. ,
Kazarinov V.E.
Журнал:
Russian Journal of Electrochemistry
Том:
33
Номер:
9
Год издания:
1997
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
1025
Последняя страница:
1032
Аннотация:
The differential capacitance curves and potentials of zero charge are measured on Hg electrodes in methanol solutions of a surface-inactive electrolyte. The structure of the electrical double layer in methanol is compared for Hg and the gallium subgroup metals (GSM). Physical and chemisorption components of the cumulative parameters that characterize the specificity of contact of GSM with methanol, as compared with that of mercury, are determined. The effect of the unequal distance of the solvent dipoles’ closest approach to the mercury and GSM surfaces is shown to be well pronounced in methanol, just as in water, in addition to the effects of different chemisorption interaction of the metals with the solvent molecules. The difference in the solvent dipoles’ closest approach to the mercury and GSM surfaces, ΔdphysM-Hg, is shown to depend but weakly, in the absence of the metal/solvent chemisorption interaction, on the solvent nature. This makes it possible to allow for ΔdphysM-Hg in other solvents too, where this quantity is virtually impossible to measure. © 1997 MAИK Hayκa/Interperiodica Publishing.
Добавил в систему:
Дамаскин Борис Борисович