Mebendazole: New and efficient corrosion inhibitor for mild steel in acid medium

被引：228

作者：

Ahamad, Ishtiaque ^{[1
]}

Quraishi, M. A. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Inst Technol, Dept Appl Chem, Varanasi 221005, Uttar Pradesh, India

来源：

CORROSION SCIENCE | 2010年 / 52卷 / 02期

关键词：

Mild steel; Acid solutions; Polarization; Weight loss; Adsorption; IMPEDANCE SPECTROSCOPY; TRIAZOLE DERIVATIVES; ADSORPTION; BEHAVIOR; DRUGS; INTERFACE; THIOUREA; SURFACE; COPPER;

D O I：

10.1016/j.corsci.2009.10.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The inhibition performance of mebendazole, a drug, on mild steel in molar hydrochloric acid solution was studied by weight loss and electrochemical methods. The maximum inhibition efficiency 96.2% was observed in presence of 2.54 x 10(-4) M inhibitor. Polarization measurements showed that the inhibitor is mixed type. Data obtained from EIS studies were analyzed to model inhibition process through appropriate equivalent circuit models. The results obtained from the different methods are in good agreement. The various thermodynamic parameters of dissolution and adsorption processes were evaluated in order to elaborate adsorption mechanism. Adsorption of inhibitor obeyed Langmuir adsorption isotherm model. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：651 / 656

页数：6

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