Journal
JOURNAL OF SAUDI CHEMICAL SOCIETY
Volume 18, Issue 3, Pages 214-219Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jscs.2011.06.013
Keywords
Mass transfer; Corrosion inhibition; Copper nickel alloy; Benzotriazole
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Funding
- Baghdad University, Chemical Engineering Department
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The corrosion inhibition of copper nickel alloy by Benzotriazole (BTA) in 1.5 M HCl has been investigated by weight loss and polarization techniques at different temperatures. Maximum value of inhibitor efficiency was 99.8% for BTA at 35 degrees C and 0.1 M inhibitor concentration, while the lower value was 86.8% at 55 degrees C and 0.02 M inhibitor concentration. The non-linear region of the polarization curve near the corrosion potential can be discussed depending on data of over potential as a function of current densities. These data can be analyzed by suggestion of a mathematical model to take into account the effect of mass transfer on activation process. (C) 2011 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.
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