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.
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页码：110 / 120
页数：11
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