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Citation: Jin Shixiong, Zang Hua, Wang Lan, Ma Zhiguang, Geng Dan. THE ANODIC FORMATION OF FERRATE ION IN CONCENTRATED ALKALI SOLUTIONS[J]. Chinese Journal of Applied Chemistry, ;1988, 5(3): 86-88. shu

THE ANODIC FORMATION OF FERRATE ION IN CONCENTRATED ALKALI SOLUTIONS

1.
Department of Chemistry, Nakai University, Tianjin

Received Date: 21 March 1987
Available Online: 25 May 1987

The kinetic data related to the anodic formation of FeO₄^2- and oxygen evolution on iron and mild steel electrodes in concentrated alkaline solution were obtained by measuring the rate of O₂ evolution. It is found that the two reactions Proceed simutaneously and two tafel regions can be separated. At low current density σψ/σlgi=2,303 RT/(I+β)F, i.e. 0.040V (β=0.5) and the reaction ordor with resPecet to α_OH- is 4 for FeO₄^2- anodic formation and 2 for O₂ evolution. At high current density σψ/σlgi=2.303 RT/βF, i.e. 0.120V and the reaction ordor is 2 and 1 for both reactions, resPectively. A mechanism for the two reactions is ProPosed.
- Anodic kinetics,
- Ferrate ion,
- Oxygen evolution
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