N-Aminorhodanine as an effective corrosion inhibitor for mild steel in 0.5 M H2SO4

被引：180

作者：

Doner, Ali ^{[1
]}

Kardas, Gulfeza ^{[1
]}

机构：

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

来源：

CORROSION SCIENCE | 2011年 / 53卷 / 12期

关键词：

Mild steel; EIS; Polarization; Acid corrosion; SELF-ASSEMBLED MONOLAYER; SCHIFF-BASE COMPOUNDS; COLD-ROLLED STEEL; HYDROCHLORIC-ACID; SULFURIC-ACID; PURE IRON; ORGANIC-COMPOUNDS; IODIDE-IONS; WEIGHT-LOSS; ADSORPTION;

D O I：

10.1016/j.corsci.2011.08.032

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion inhibition effect of N-aminorhodanine (N-AR) on mild steel (MS) in 0.5 M H2SO4 was studied in both short and long immersion duration using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), linear polarization resistance (LPR), chronoamperometry and hydrogen gas evolution. The surface morphology of MS was examined with scanning electron microscopy (SEM) in absence and presence inhibitor. The inhibitor adsorption process on MS surfaces obeys the Langmuir adsorption isotherm. The results show that NAR is a good inhibitor for MS in the acidic medium. The inhibition efficiency obtained from potentiodynamic polarization, EIS and LPR up to 98% is determined. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：4223 / 4232

页数：10

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