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http://dx.doi.org/10.12925/jkocs.2014.31.1.66

Electrochemical Characterization of Stainless Steel in Ethanolamine Solution Containing an Alkyl Group using Cyclic Voltammetry  

Park, Keun-Ho (Dept. of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.31, no.1, 2014 , pp. 66-73 More about this Journal
Abstract
In this work, the current-voltage curves for stainless steel in the ethanolamine solution containing alkyl group were measured using the conventional three electrodes of cyclic voltammetry. Stainless steel as working electrode, Ag/AgCl electrode as reference electrode and Pt wire as counter electrode were used respectively. As a result, the C-V characteristics of stainless steel were to be for an irreversible process due to the oxidation current from cyclic voltammogram, using N-ethylethanolamine and N,N-dimethylethanolamine solutions. Effective diffusivity of corrosion inhibitors was decreased with increasing concentration. It was found from SEM images of the metal that the electrolyte (specific name ?)(0.5 N) as corrosion inhibitor was added into a N, N-diethylethanolamine solution ($1.0{\times}10^{-3}M$) containing copper and nickel, the corrosion inhibiting effect was enhanced.
Keywords
stainless steel; C-V characterization; N,N-dimethylethanolamine; diffusion coefficient(D); oxidation current;
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Times Cited By KSCI : 2  (Citation Analysis)
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