Investigation of corrosion inhibition effect of 3-[(2-hydroxy-benzylidene)-amino]-2-thioxo-thiazolidin-4-one on corrosion of mild steel in the acidic medium

被引：107

作者：

Doner, Ali ^{[1
]}

Sahin, Ece Altunbas ^{[1
]}

Kardas, Gulfeza ^{[1
]}

Serindag, Osman ^{[1
,2
]}

机构：

[1] Cukurova Univ, Sci & Letters Fac, Dept Chem, TR-01330 Adana, Turkey

[2] Abdullah Gul Univ, Fac Engn, Dept Chem Engn, Kayseri, Turkey

来源：

CORROSION SCIENCE | 2013年 / 66卷

关键词：

Mild steel; EIS; Polarization; Acid corrosion; SCHIFF-BASE COMPOUNDS; CARBON-STEEL; HCL SOLUTION; ADSORPTION; RHODANINE; IRON; DERIVATIVES; INTERFACE; COPPER;

D O I：

10.1016/j.corsci.2012.09.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion behavior of mild steel (MS) in 0.5 M H2SO4 was studied using 3-[(2-hydroxy-benzylidene)-amino]-2-thioxo-thiazolidin-4-one (HBTT) as inhibitor using the conventional potentiodynamic polarization studies, linear polarization studies (LPR), electrochemical impedance spectroscopy studies (EIS). SEM was utilized for surface characterization. The results showed that HBTT posses excellent inhibition effect towards MS corrosion. The inhibitor molecules were first adsorbed on the MS surface and blocking the reaction sites available for acid attack. Adsorption of inhibitor was found to obey Langmuir isotherm and was more chemical than physical. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：278 / 284

页数：7

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