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Citation: MI Chang-Huan, XIA Xi, ZHANG Xiao-Gang. Redox Characteristics of Mn(Ⅲ)/Mn(Ⅱ) on Pt Electrode in Acid Solution[J]. Chinese Journal of Applied Chemistry, ;2003, 20(2): 183-185. shu

Redox Characteristics of Mn(Ⅲ)/Mn(Ⅱ) on Pt Electrode in Acid Solution

1.
Institute of Applied Chemistry, Xinjiang University, Urumqi 830046

Corresponding author: ZHANG Xiao-Gang,
Received Date: 9 July 2002
Available Online: 23 September 2002
Fund Project: 国家自然科学基金(29963002)资助项目 (29963002)

The electrochemical behavior of Mn (Ⅲ)/Mn(Ⅱ)ion-pair on platinum electrode in acid media were studied by cyclic voltammetry.It was demonstrated that the redox process of Mn(Ⅲ)/Mn(Ⅱ) pair was a simple pseudo-reversible one-electron reaction between Mn(Ⅲ) and Mn(Ⅱ).The electrochemical kinetics of the redox reaction on static Pt electrode was a mass transfer controlled one.The calculated diffusion coefficient of Mn(Ⅱ) was 1.48×10^-6 cm²/s.
- Mn(Ⅲ)/Mn(Ⅱ) ion pair,
- redox flow cell,
- diffusion coefficient,
- cyclic voltammetry,
- potential step method
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