Journal of Chemistry

Journal of Chemistry / 2010 / Article

Open Access

Volume 7 |Article ID 453694 | https://doi.org/10.1155/2010/453694

P. R. Vijayalakshmi, R. Rajalakshmi, S. Subhashini, "Inhibitory Action of Borassus Flabellifer Linn. (Palmyra Palm) Shell Extract on Corrosion of Mild Steel in Acidic Media", Journal of Chemistry, vol. 7, Article ID 453694, 11 pages, 2010. https://doi.org/10.1155/2010/453694

Inhibitory Action of Borassus Flabellifer Linn. (Palmyra Palm) Shell Extract on Corrosion of Mild Steel in Acidic Media

Received11 Nov 2009
Accepted05 Jan 2010

Abstract

The inhibitory effect of extract obtained from destructive distillation of palmyra palm (Borassus flabellifer Linn.) shell on the corrosion of mild steel in 0.5 M H2SO4 and 1 M HCl was investigated using weight loss and electrochemical measurement techniques. The results show that the inhibition efficiency increases with increase of palmyra palm shell extract concentration. The maximum inhibition efficiency in 0.5 M H2SO4 and 1 M HCl was found to be 97.65% and 98.11% for a period of 24 h with 3%v/v concentration of the inhibitor respectively. Thermodynamic parameters were evaluated from temperature studies. Results were fitted into suitable adsorption isotherms. Electrochemical measurements infer that the extract acted through mixed mode of inhibition. Efforts were made to analyze the effectiveness of shell extract of palmyra palm in industrial processes.

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.

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