Electrochemical Behavior of Mild Steel in Dimethyl Sulfoxide Containing Hydrochloric Acid

 

R.B. Rastogi,* M.M. Singh, K. Singh and J.L. Maurya

Department of Applied Chemistry, Institute of Technology, Banaras Hindu University, Varanasi-221005, India

 

DOI: 10.4152/pea.201006359

 

Abstract

The corrosion behavior of mild steel in dimethyl sulfoxide containing various concentrations, i.e., 0.001, 0.005, 0.010, 0.015  and 0.020 M of hydrochloric acid has been studied in presence of 0.1 M tetra ethyl ammonium chloride as supporting electrolyte by applying electrochemical techniques. The results of these experiments have been supplemented by surface analysis of the samples exposed to corrosive solution under different experimental conditions. The electrochemical investigation was done potentiostatically by varying the concentration of HCl in DMSO and the experimental temperature as well.

Keywords: elecrochemical behavior, mild steel, DMSO-HCl mixture.

 

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* Corresponding author. E-mail address: rashmi.apc@itbhu.ac.in

Received 23 November 2009; accepted 7 December 2010