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E-Journal of Chemistry
Volume 7, Issue 3, Pages 1090-1094

Influence of Benzotriazole on Corrosion Inhibition of Mild Steel in Citric Acid Medium

P. Matheswaran1 and A. K. Ramasamy2

1Department of Chemistry, Vidyaa Vikas College of Engineering and Technology, Tiruchengode, Namakkal Dt.-637 214, India
2Department of Chemistry, Periyar University, Salem Dt., India

Received 6 November 2009; Accepted 2 January 2010

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Benzotriazole an organic compounds has been studied as corrosion inhibition for mild steel in 1 N citric acid by weight loss method. The result showed that the corrosion inhibition efficiency of the compound was found to be varying with the temperature and acid concentration. Also it was found that the corrosion inhibition behaviour of benzotriazole is better when the concentration of inhibitor is increased. The kinetic treatment of the results shows first order kinetics.