Mono- and dicationic benzothiazolic quaternary ammonium bromides as mild steel corrosion inhibitors. Part III: Influence of the temperature on the inhibition process

被引：75

作者：

Popova, A. ^{[1
]}

Christov, M. ^{[1
]}

Vasilev, A. ^{[2
]}

机构：

[1] Univ Chem Technol & Met, Dept Phys Chem, BU-1756 Sofia, Bulgaria

[2] Univ Sofia, Fac Chem, BU-1126 Sofia, Bulgaria

来源：

CORROSION SCIENCE | 2015年 / 94卷

关键词：

Mild steel; EIS; Polarisation; Acid corrosion; Acid inhibition; N-CONTAINING HETEROCYCLES; ACID-MEDIA; FREQUENCY DISPERSION; ADSORPTION; IMPEDANCE; BEHAVIOR; IRON; HCL; DERIVATIVES; EIS;

D O I：

10.1016/j.corsci.2015.01.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of the temperature on the inhibitive properties of seven mono- and dicationic quaternary ammonium bromides on mild steel was investigated in 1 M HCl and 1 M H2SO4. Impedance, polarisation resistance and polarisation curves methods were used. Two adequate structural models of the interface metal/1 M HCl + inhibitor.were proposed to describe the processes in different temperature ranges. The values of the models' parameters were determined. The influence of the temperature on the inhibitor efficiency was studied as well. The apparent activation energy was found using two independent methods. Conclusions were made about the inhibitors' adsorption type. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：70 / 78

页数：9

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