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http://dx.doi.org/10.12925/jkocs.2011.28.1.8

Electrochemistry Characterization of Metal Using Corrosion Inhibitors Containing Amide Functional Group  

Park, Keun-Ho (Dept. of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.28, no.1, 2011 , pp. 48-56 More about this Journal
Abstract
In this study, we investigated the C-V diagrams and metal surface related to the electrochemistry characterization of metal(nickel, SUS-304). We determined electrochemical measurement by using cyclic voltammetry with a three-electrode system. A measuring range was reduced from initial potential to -1350mV, continuously oxidized to 1650 mV and measured to the initial point. The scan rate were 50, 100, 150, 200 and 250 mV/s. As a result, the C-V characterization of metal using N,N-dimethylacetamide and N,N-dimethylformamide inhibitors appeared irreversible process caused by the oxidation current from the cyclic voltammogram. After adding organic corrosion inhibitors, adsorption film constituted, and the passive phenomena happened. According to the results by cyclic voltammetry method, it was revealed that the addition of inhibitors containing amide functional group enhances the corrosion resistance properties.
Keywords
organic corrosion inhiditor; C-V characterization; potentiostat. metal; oxidation current;
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Times Cited By KSCI : 6  (Citation Analysis)
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