In situ synthesis, electrochemical and quantum chemical analysis of an amino acid-derived ionic liquid inhibitor for corrosion protection of mild steel in 1M HCl solution

被引：227

作者：

Kowsari, E. ^{[1
]}

Arman, S. Y. ^{[2
,3
]}

Shahini, M. H. ^{[2
]}

Zandi, H. ^{[4
]}

Ehsani, A. ^{[5
]}

Naderi, R. ^{[6
]}

PourghasemiHanza, A. ^{[2
]}

Mehdipour, M. ^{[2
]}

机构：

[1] Amirkabir Univ Technol, Dept Chem, POB 159163-4311, Tehran, Iran

[2] Amirkabir Univ Technol, Min & Met Engn Dept, POB 15875-4413, Tehran, Iran

[3] Iranian Classificat Soc, Mat & Equipment, POB 15896-75951, Tehran, Iran

[4] Islamic Azad Univ, Dept Chem, Yadegar e Imam Khomeini RAH, Shahre Rey Branch, Tehran, Iran

[5] Univ Qom, Fac Sci, Dept Chem, Qom, Iran

[6] Univ Tehran, Coll Engn, Sch Met & Mat Engn, POB 11155-4563, Tehran, Iran

来源：

CORROSION SCIENCE | 2016年 / 112卷

关键词：

Mild steel; EIS; Polarization; SEM; Acid corrosion; SULFURIC-ACID; STAINLESS-STEEL; THEORETICAL EVALUATION; COPPER CORROSION; AZOLE COMPOUNDS; BASIS-SET; M H2SO4; ALUMINUM; DERIVATIVES; MEDIA;

D O I：

10.1016/j.corsci.2016.07.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, an amino acid-derived ionic liquid inhibitor, namely tetra-n-butyl ammonium methioninate, was synthesized and the role this inhibitor for corrosion protection of mild steel exposed to 1.0 M HCl was investigated using electrochemical, quantum and surface analysis. By taking advantage of potentiodynamic polarization, the inhibitory action of tetra-n-butyl ammonium methioninate was found to be mainly mixed-type with dominant anodic inhibition. The effectiveness of the inhibitor was also indicated using electrochemical impedance spectroscopy (EIS). Moreover, to provide further insight into the mechanism of inhibition, electrochemical noise (EN) and quantum chemical calculations of the inhibitor were performed. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：73 / 85

页数：13

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