Corrosion inhibition of mild steel in acidic solution by some oxo-triazole derivatives

被引：313

作者：

Tao, Zhihua ^{[1
]}

Zhang, Shengtao ^{[1
]}

Li, Weihua ^{[2
]}

Hou, Baorong ^{[2
]}

机构：

[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China

[2] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China

来源：

CORROSION SCIENCE | 2009年 / 51卷 / 11期

关键词：

Electrochemical calculation; SEM; Weight loss; Kinetic parameters; Acid corrosion; ELECTROCHEMICAL DC; SCHIFF-BASES; ADSORPTION; ALUMINUM; BEHAVIOR; ZN; AC; IMPEDANCE; THIOUREA; SURFACE;

D O I：

10.1016/j.corsci.2009.06.042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The oxo-triazole derivative (DTP) was synthesized and its inhibiting action on the corrosion of mild steel in sulphuric acid was investigated by means of weight loss, potentiodynamic polarization, EIS and SEM. The results revealed that DTP was an excellent inhibitor and the inhibition efficiencies obtained from weight loss experiment and electrochemical experiment were in good agreement. Potentiodynamic polarization studies clearly revealed that DTP acted essentially as the mixed-type inhibitor. Thermodynamic and kinetic parameters were obtained from weight loss of the different experimental temperatures, which suggested that at different temperatures (298-333 K) the adsorption of DTP on metal surface obeyed Langmuir adsorption isotherm model. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2588 / 2595

页数：8

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