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Adsorption of n-butanol on Pb-Ga in aqueous solutions: Effect of metal on the adsorption of organic compounds in the absence of metal-water chemisorption interactionстатья
Информация о цитировании статьи получена из
Web of Science,
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Emets V.V., Damaskin B.B.
- Журнал: Russian Journal of Electrochemistry
- Том: 40
- Номер: 8
- Год издания: 2004
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 843
- Последняя страница: 848
- DOI: 10.1023/B:RUEL.0000037950.61865.36
- Аннотация: The potential dependence of the differential capacitance is measured by an ac bridge at 420 Hz and 32°C at Pb-Ga/H 2O interface in 0.05 M Na 2SO 4 solutions containing n-butanol in different concentrations. Adsorption parameters for n-butanol are determined using a regression analysis and compared with those for Hg, Tl-Ga, and Bi-Ga. As follows from this comparison, though there is no chemisorption interaction between these metals and water, the energy of n-butanol adsorption at these metals depends on the metal nature. The Pb-Ga data fit a common correlation dependence of the electronic capacitance of different electrodes (C m -1) phys on the energy of the n-butanol molecules adsorption thereon in the absence of a metal-water chemisorption interaction. This finding evidences that the dependence of the energy parameters for the adsorption of organic compounds on the metals’ electronic properties, when characterized by (C m -1) phys, is of general nature.
- Добавил в систему: Дамаскин Борис Борисович