A combined electrochemical and theoretical study into the effect of 2-((thiazole-2-ylimino)methyl)phenol as a corrosion inhibitor for mild steel in a highly acidic environment

被引：235

作者：

Yilmaz, Nurdane ^{[1
]}

Fitoz, Alper ^{[3
]}

Ergun, Umit ^{[2
]}

Emregul, Kaan C. ^{[3
]}

机构：

[1] Kastamonu Univ, Fac Educ, Kastamonu, Turkey

[2] Duzce Univ, Dept Chem, Konuralp Duzce, Turkey

[3] Ankara Univ, Fac Sci, Dept Chem, TR-06100 Ankara, Turkey

来源：

CORROSION SCIENCE | 2016年 / 111卷

关键词：

Mild steel; Corrosion inhibitor; EIS; Polarization; SEM; DFT; SCHIFF-BASE COMPOUNDS; 1 M HCL; 0.5 M H2SO4; HYDROCHLORIC-ACID; SULFURIC-ACID; CARBON-STEEL; BENZIMIDAZOLE DERIVATIVES; MEDIA; ADSORPTION; BEHAVIOR;

D O I：

10.1016/j.corsci.2016.05.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

2-((Thiazole-2-ylimino)methyl)phenol (THYMP) was studied as a corrosion inhibitor for the protection of mild steel in 2 M HCl solution by means of weight loss, polarization, electrochemical impedance spectroscopy and scanning electron microscopy. The potential of zero charge (E-pzc), was also determined for evaluation of the adsorption mechanism. Quantum chemical parameters such as highest occupied molecular orbital energy (E-Homo), lowest unoccupied molecular orbital energy (E-Lumo), energy gap (Delta E), dipole moment (mu) etc. were calculated using density functional theory (DFT) at B3LYP/6-31G(d,p) level. Theoretical and experimental results were in fairly good agreement. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：110 / 120

页数：11

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