Co-adsorption of surfactants and propyl gallate on the hydrophilic oxide surfaces

被引：6

作者：

Drach, Mateusz ^{[1
]}

Jablonski, Jerzy ^{[2
]}

Narkiewicz-Michalek, Jolanta ^{[1
]}

Szymula, Marta ^{[2
]}

机构：

[1] Marie Curie Sklodowska Univ, Dept Theoret Chem, PL-20031 Lublin, Poland

[2] Marie Curie Sklodowska Univ, Dept Radiochem & Colloid Chem, PL-20031 Lublin, Poland

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 17期

关键词：

Adsolubilisation; Surfactant adsorption; Aggregation; Antioxidant; ELECTROCHEMICAL OXIDATION; SILICA SURFACE; ASCORBIC-ACID; ADSORPTION; INTERFACE;

D O I：

10.1016/j.apsusc.2009.12.136

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Propyl gallate (PG) adsolubilisation in the cationic, anionic and nonionic surfactant micelles formed in the bulk solution and at the silica/solution interface has been investigated. It was found that in the absence of surfactant, propyl gallate does not adsorb on the silica surface from aqueous solution. However, in the presence of hexyltrimethylammonium bromide ( CTAB), its uptake by silica significantly increases. Alumina is quite an effective adsorbent for SDS and propyl gallate and does not adsorb nonionic TX-100. The addition of PG promotes adsorption of SDS and TX-100. (C) 2010 Elsevier B. V. All rights reserved.

引用

页码：5444 / 5448

页数：5

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