Adsorption of long-chain aliphatic amines-components of corrosion inhibitorsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Stenina E.V.,
Sviridova L.N. ,
Damaskin B.B. ,
Nefedkin S.I. ,
Frolova N.V.
Журнал:
Russian Journal of Electrochemistry
Том:
43
Номер:
11
Год издания:
2007
Издательство:
Maik Nauka/Interperiodica Publishing
Местоположение издательства:
Russian Federation
Первая страница:
1229
Последняя страница:
1233
DOI:
10.1134/S102319350711002X
Аннотация:
Adsorption of certain long-chain aliphatic amines with 6-18 carbon atoms is studied on a stationary mercury drop electrode using the impedance method. It is found that adsorption of amines with C 6-C 12 results in the formation of an adsorption layer with the limiting capacitance of about 5 μF/cm 2. In the case of amines with C 14-C 16, the limiting capacitance is approximately 0.5-0.7 μF/cm 2. The most probable reason for such abrupt decrease in the adsorption layer capacitance is the formation of condensed layers of adsorbate molecules at the electrode surface. The adsorption parameters are calculated for hexylamine. The surface activity is estimated for amines with 10-14 carbon atoms in their chains. © 2007 Pleiades Publishing, Ltd.
Добавил в систему:
Дамаскин Борис Борисович