Impedance of a passive iron electrode in a solution containing a reducing agent |
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| Authors: | A?L?Klyuev Email author" target="_blank">Z?A?RotenbergEmail author V?V?Batrakov |
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| Institution: | (1) Moscow State Pedagogical University, ul. Malaya Pirogovskaya 1, 119882 Moscow, Russia;(2) Frumkin Institute of Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, 119071 Moscow, Russia |
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| Abstract: | Frequency dependences of impedance of a passive iron electrode in 0.5 M Na2SO4 solutions with and without 0.01 M K4Fe(CN)6] are obtained by a pulsed method and the Fourier transform. At 1–1000 Hz, the results in 0.5 M Na2SO4 satisfactorily agree with our previous results obtained by a lock-in method. With the Fe(CN)6]4- ions present, the impedance decreases faster at lower frequencies. The impedance of the oxide film/solution interface relaxes longer the film impedance. These conclusions are similar to those obtained earlier.Translated from Elektrokhimiya, Vol. 41, No. 1, 2005, pp. 97–101.Original Russian Text Copyright © 2005 by Klyuev, Rotenberg, Batrakov.To the Centennial of B.N. Kabanov. |
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| Keywords: | impedance passive iron electrode |
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