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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Corrosion inhibition of aluminium in acidic and alkaline media by Sansevieria trifasciata extract
Corrosion Science, Volume 49, No. 3, Year 2007
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Description
The inhibitive action of leaf extracts of Sansevieria trifasciata on aluminium corrosion in 2 M HCl and 2 M KOH solutions was studied using the gasometric technique. The results indicate that the extract functioned as a good inhibitor in both environments and inhibition efficiency increased with concentration. Synergistic effects increased the inhibition efficiency in the presence of halide additives. Temperature studies revealed a decrease in efficiency with rise in temperature and corrosion activation energies increased in the presence of the extract. A mechanism of physical adsorption is proposed for the inhibition behaviour. The adsorption characteristics of the inhibitor were approximated by Freundlich isotherm. © 2006 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Oguzie, Emeka Emmanuel
Nigeria, Owerri
Federal University of Technology, Owerri
Statistics
Citations: 486
Authors: 1
Affiliations: 1
Identifiers
Doi:
10.1016/j.corsci.2006.08.009
ISSN:
0010938X