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Some aspects of the electrochemical response of iron hydroxide precipitated on different conducting substrates

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Abstract

The potentiodynamic behaviour of different conducting substrates (Pt, Au and vitreous carbon) covered with iron hydroxide formed by colloidal precipitation in 0.01 M NaOH is investigated in the potential range associated with the electrochemical stability of water at 25° C. The electrochemical characteristics are mainly related to the Fe(OH)2/FeOOH redox couple formed from both thin and thick iron hydroxide layers. The results can be interpreted through the complex reaction pattern already discussed for the electrochemical behaviour of Fe in alkaline solutions.

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Authors and Affiliations

  1. División Electroquímica, Instituto de Investigationes Fisicoquímicas Teóricas y Aplicadas (INIFTA), Sucursal 4, Casilla de Correo 16, 1900, La Plata, Argentina

    V. A. Macagno, J. R. Vilche & A. J. Arvia

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  1. V. A. Macagno
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  2. J. R. Vilche
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  3. A. J. Arvia
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Macagno, V.A., Vilche, J.R. & Arvia, A.J. Some aspects of the electrochemical response of iron hydroxide precipitated on different conducting substrates. J Appl Electrochem 11, 417–422 (1981). https://doi.org/10.1007/BF01132428

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  • DOI: https://doi.org/10.1007/BF01132428

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