Influence of nonionic surfactants and water activity on to adsorption of 6-thioguanine at the mercury/chlorates(VII) interface

The mixed adsorption layers of 6-thioguanine-TritonX-100 and 6-thioguanine-Tween 80 formed at the electrode/chlorate(VII) interface are discussed. The systems were characterized by measurements of differential capacity, zero charge potential, and surface tension at this potential. It was found that...

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Bibliographic Details
Published in:Adsorption : journal of the International Adsorption Society 2019-04, Vol.25 (3), p.251-256
Main Authors: Nosal-Wiercińska, Agnieszka, Kaliszczak, Waldemar, Drapsa, Anna, Grochowski, Mariusz, Wiśniewska, Małgorzata, Klepka, Tomasz
Format: Article
Language:English
Subjects:
Adsorption
Chemistry
Chemistry and Materials Science
Chlorates
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Mercury (metal)
Micelles
Surface tension
Surfaces and Interfaces
Thin Films
Water activity
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Summary:The mixed adsorption layers of 6-thioguanine-TritonX-100 and 6-thioguanine-Tween 80 formed at the electrode/chlorate(VII) interface are discussed. The systems were characterized by measurements of differential capacity, zero charge potential, and surface tension at this potential. It was found that 6-thioguanine dominates in the formation of adsorption equilibria of the studied mixture. Competitive adsorption between 6-thioguanine-Triton X-100 and 6-thioguanine-Tween 80, ClO ions or mixed micelles cannot be excluded.
ISSN:0929-5607
1572-8757
DOI:10.1007/s10450-018-9997-3