Kinetics of armco iron dissolution in an anhydrous methanol and hydrochloric acid solution |
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| Authors: | S Sternberg V Brânzoi |
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| Affiliation: | Department of Physical Chemistry and Electrochemical Technology, Cal. Grivi?ei 132, Polytechnic Institute Bucharest, Romania |
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| Abstract: | The polarization behaviour of Armco iron in anhydrous solutions of CH3OH+HCl and CH3OH+HCl+LiCl was studied by the potentiostatic method. The following reaction orders were found for the anodic process: Za(Cl?) = 1.7 –1.82 and Za(H+) = 0. The following mechanism of dissolution is proposed: Fe+Cl? ? FeCl?ads, FeCl?ads+Cl? → FeCl2+2e (rate-determining step), FeCl2?FeP2+ + 2Cl?. |
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