Study of Aluminum Corrosion in Chloride and Nitrate Media and its Inhibition by Nitrite

Authors

  • S. N. Afzal University of Dhaka
  • M. A. Ali Shaikh University of Dhaka
  • C. M. Mustafa University of Rajshahi
  • M. Nabi BIT
  • M. Q. Ehsan University of Dhaka
  • A. H. Khan University of Dhaka

DOI:

https://doi.org/10.3126/jncs.v22i0.519

Abstract

Aluminum corrosion has been studied in aqueous chloride and nitrate media. Potentiodynamic method is applied to carry out the individual effect of chloride and nitrate ions on the commercial grade aluminum corrosion. In both chloride and nitrate media the corrosion behavior is affected at pH 4 and 10. The corrosion rate of aluminum increases with the increase of concentrations of chloride and nitrate ions. In both media corrosion behavior is significant at higher pH value due to the instant dissolution of metal ions as complex. The nitrite plays an important role as a corrosion inhibitor in both chloride and nitrate media.

DOI: 10.3126/jncs.v22i0.519

Journal of Nepal Chemical SocietyVol. 22, 2007 pp.26-33

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Author Biographies

S. N. Afzal, University of Dhaka

Department of Chemistry University of Dhaka

M. A. Ali Shaikh, University of Dhaka

Department of Chemistry University of Dhaka

C. M. Mustafa, University of Rajshahi

Department of Applied Chemistry University of Rajshahi Bangaladesh

M. Nabi, BIT

Department of Chemistry BIT Khulna Bangladesh

M. Q. Ehsan, University of Dhaka

Department of Chemistry University of Dhaka

A. H. Khan, University of Dhaka

Department of Chemistry University of Dhaka

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How to Cite

Afzal, S. N., Ali Shaikh, M. A., Mustafa, C. M., Nabi, M., Ehsan, M. Q., & Khan, A. H. (2007). Study of Aluminum Corrosion in Chloride and Nitrate Media and its Inhibition by Nitrite. Journal of Nepal Chemical Society, 22, 26–33. https://doi.org/10.3126/jncs.v22i0.519

Issue

Vol. 22 (2007)

Section

Articles

License

© Journal of Nepal Chemical Society