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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Synergistic inhibition behaviour of methylbenzyl quaternary imidazoline derivative and iodide ions on mild steel in H
2
SO
4
solutions
Corrosion Science, Volume 51, No. 4, Year 2009
Notification
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Description
The inhibition behaviour of 2-undecyl-1-ethylamino-1-methylbenzyl quaternary imidazoline (2UMQI) and KI on mild steel in 1.0 M H2SO4 solutions was investigated at 25 °C using electrochemical methods. The results indicated that 2UMQI inhibited the corrosion of mild steel and the extent of inhibition increased with 2UMQI concentrations. The inhibition action in the presence of 2UMQI is due to physical adsorption of 2UMQI. A mixed-inhibition mechanism is proposed for the inhibitive effects of 2UMQI. Inhibition efficiency of 2UMQI was enhanced by the addition of iodide ions. In the presence of KI, the potentials of unpolarization, Eu was observed and increased with KI concentration. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Okafor, Peter Chukwuemeka
China, Shenyang
State Key Laboratory for Corrosion and Protection Shenyang
Nigeria, Calabar
University of Calabar
Zheng, Yugui
China, Shenyang
State Key Laboratory for Corrosion and Protection Shenyang
Statistics
Citations: 301
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1016/j.corsci.2009.01.027
ISSN:
0010938X