Inhibition effects of some organic compounds on zinc corrosion in 3.5% NaCl

被引：0

作者：

Branzoi, Viorel ^{[1
]}

Pruna, Alina ^{[1
]}

Branzoi, Florina ^{[2
]}

机构：

[1] Univ Politehn Bucuresti, Dept Phys Chem & Electrochem, Bucharest 010737, Romania

[2] Inst Phys Chem Bucharest, Bucharest 060022, Romania

来源：

REVISTA DE CHIMIE | 2008年 / 59卷 / 05期

关键词：

zinc; polarization; electrochemical impedance spectroscopy; inhibition;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The inhibition of zinc corrosion in 3.5% NaCl solution by some organic compounds (sodium dodecylsulphate (SDS), sodium dodecylbenzosulphonate (SDBS) and sodium 1,4-bis(2-etylhexyl) sulphosuccinate (AOT)) was investigated. The inhibition efficiencies were determined by polarization measurements of the zinc electrode in the solution. Electrochemical impedance spectroscopy (EIS) was also used for electrochemical studies of zinc electrode in this medium. The results showed that the used surfactants inhibit the cathodic reaction of hydrogen evolution and at low anodic overvoltage the corrosion process is under activation control, while at high anodic overvoltage the process is under diffusion control.

引用

页码：540 / 543

页数：4

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