XPS study of adsorption of 2-mercaptobenzothiazole on a brass surface

被引：50

作者：

Kazansky, Leonid P. ^{[1
]}

Pronin, Yuri E. ^{[1
]}

Arkhipushkin, Ivan A. ^{[1
]}

机构：

[1] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 117091, Russia

来源：

CORROSION SCIENCE | 2014年 / 89卷

关键词：

Brass; XPS; COPPER CORROSION-INHIBITOR; BORATE BUFFER SOLUTIONS; X-RAY PHOTOELECTRON; CU-XZN ALLOYS; ELECTROCHEMICAL-BEHAVIOR; BENZOTRIAZOLE DERIVATIVES; ELECTRON-SPECTROSCOPY; SODIUM-CHLORIDE; ALPHA-BRASS; BETA-BRASS;

D O I：

10.1016/j.corsci.2014.07.055

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The surface of brass (Cu80/Zn20) exposed in water and different aqueous solutions and 2-mercaptobenzothiazole (MBT) is studied by XPS. The leaching of zinc (dezincification) is observed in pure water and in borate solutions. On the contrary, if brass is exposed in 0.5 M NaCl or Na2SO4 solutions copper is removed from the surface layer leaving brass surface covered by oxidized zinc, thus "decuprification" occurs. Exposure of brass in 0.05 mmol/l MBT solution reduces results oxide growth and forms mix complex CuZnMBT layer, which thickness increases with time. Adding 0.5 M NaCl to this solution does not remove copper from the surface. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：21 / 29

页数：9

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