Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
Threshold Potential in Oscillatory Behaviour of Fe in Phosphoric Acid Solution Containing Hydrogen Peroxide
Akimitsu IshiharaShukuji Asakura
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1993 Volume 42 Issue 9 Pages 564-568

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Abstract

The autonomous oscillation of the electrode potential of iron immersed in oxidative solution has been studied by many workers. In this paper, the mechanism of this phenomenon in phosphoric acid solutions containing hydrogen peroxide was analysed by appling the pulsed current to the oscillatory systems. The threshold potential required to activate the passive surface of iron was found. It was confirmed that this threshold potential was the same as the Flade potential.

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© Japan Society of Corrosion Engineering
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