Rotating disc electrode study of anodic dissolution or iron in concentrated chloride media |
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| Authors: | Han Cheng Kuo Dieter Landolt |
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| Affiliation: | Energy and Kinetics Department, School of Engineering and Applied Science, University of California, Los Angeles, California 90024, U.S.A.;Materials Department, Swiss Federal Institute of Technology, 1007 Lausanne, Switzerland |
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| Abstract: | The anodic dissolution of iron in concentrated neutral and acid chloride media was investigated by measuring anodic potentionstatic polarization curves on a rotating disc electrode. Well defined mass transport limited current plateaux were observed, the diffusion limiting species being the Fe2+ ion. Experiments performed in binary FeCl2 electrolytes showed that the FeCl2 concentration at the anode at limiting current was equal to the saturation concentration. A semiempirical method for estimating the magnitude of the plateau current in different chloride media is outlined. |
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