Oxidation process induced by 2-mercaptopyrimidine at a mercury electrode

被引：1

作者：

Calzón, JAG ^{[1
]}

Alvarez, JLM ^{[1
]}

Fonseca, JML ^{[1
]}

机构：

[1] Univ Oviedo, Dept Quim Fis & Analit, E-33071 Oviedo, Spain

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2005年 / 290卷 / 02期

关键词：

2-mercaptopyrimidine; mercury electrode; voltammetric techniques; adsorption;

D O I：

10.1016/j.jcis.2005.04.070

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：

The oxidation process induced by 2-mercaptopyrimidine (RSH) at a hanging mercury drop electrode was studied in aqueous media by normal and cyclic voltammetry. The results indicate the formation of a weakly adsorbed HgSR complex according to the reaction Hg + RSH -> HgSR + e(-) + H+. When the surface excess of HgSR is high, a two-dimensional condensation takes place if the potential is positive enough, as proved by phase-sensitive ac and cyclic voltammetry. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：498 / 504

页数：7

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