Nonequilibrium processes in reactions of hot tritium atoms with cooled solid targets. Attenuation of the flow of tritium atoms in adsorption layers of alkyltrimethylammonium bromidesстатья
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Дата последнего поиска статьи во внешних источниках: 4 февраля 2014 г.
Авторы:
Tyasto Z.A. ,
Mikhalina E.V. ,
Chernysheva M.G. ,
Badun G.A.
Журнал:
Radiochemistry
Том:
49
Номер:
2
Год издания:
2007
Издательство:
Pleiades Publishing, Inc.
Местоположение издательства:
New York, USA
Первая страница:
182
Последняя страница:
185
DOI:
10.1134/S1066362207020166
Аннотация:
The permeability for atomic tritium of adsorption layers of aqueous solutions of alkyltrimethylammonium bromides RN(CH3)3Br differing in the length of the hydrocarbon radical R (C12H 25, C14H29, C16H33) was studied. The change in the radioactivity of alanine present in the examined solutions was used as the measure of the attenuation of the flow of reactive tritium atoms. The formation of an adsorption monolayer of surfactant molecules on the liquid-gas phase boundary caused the radioactivity of alanine to decrease by a factor of 6.5 (R = C12H25) to 8 (R = C 16H33) relative to the experiment with a straight alanine solution. A correlation between the structure of the adsorbed layers of alkyltrimethylammonium bromides and their permeability to atomic tritium is discussed. © 2007 Pleiades Publishing, Inc.
Добавил в систему:
Бадун Геннадий Александрович