Assessment of corrosion inhibitive behavior of 2-aminothiophenol derivatives on carbon steel in 1 M HCl

被引：28

作者：

Kabel, Khalid I. ^{[1
]}

Zakaria, Khaled ^{[2
]}

Abbas, Mohammed A. ^{[1
]}

Khamis, E. A. ^{[1
]}

机构：

[1] Egyptian Petr Res Inst, Petr Applicat Dept, Nasr City, Cairo, Egypt

[2] Egyptian Petr Res Inst, Anal & Evaluat Dept, Nasr City, Cairo, Egypt

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 23卷

关键词：

Acid solutions; Carbon steel; Polarization; EIS; Acid inhibition; QUANTUM-CHEMICAL CALCULATIONS; HYDROCHLORIC-ACID SOLUTION; MILD-STEEL; SCHIFF-BASE; ORGANIC-COMPOUNDS; BENZIMIDAZOLE; SURFACTANTS; ADSORPTION; COMPLEX;

D O I：

10.1016/j.jiec.2014.07.042

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The inhibition effect of three newly synthesized 2-aminothiophenol derivatives on the corrosion of carbon steel in 1 M HCl was investigated using electrochemical measurements and quantum chemical calculations. The experimental results suggest that these compounds are efficient corrosion inhibitors and the inhibition efficiencies increase with increasing their concentrations. The efficiencies obtained from EIS measurements were in good agreement with those obtained from the polarization measurements. Polarization measurements show that these inhibitors act as mixed-type inhibitors. The adsorption of these inhibitors was found to obey Langmuir adsorption model. The computed quantum chemical properties show good correlation with experimental inhibition efficiencies. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：57 / 66

页数：10

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