Journal
CORROSION SCIENCE
Volume 65, Issue -, Pages 94-103Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.08.002
Keywords
Acid solutions; Steel; Polarization; Weight loss; Acid inhibition
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Four environmentally friendly corrosion inhibitors were derived from vanillin and were evaluated gravimetrically and electrochemically as corrosion inhibitors for carbon steel in 1 M HCl. The inhibition efficiencies of these inhibitors were depending on their concentration and the chemical structures. The adsorption of these inhibitors was found to obey Langmuir adsorption model. Polarization measurements showed the mixed type behavior of these inhibitors, which inhibits the cathodic and anodic parts of the corrosion reaction in 1 M HCl. (C) 2012 Elsevier Ltd. All rights reserved.
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