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Citation: Yan Chuanwei, Lin Xiangqin. Electrochemical and Spectroelectrochemical Studies on the Electrooxidation of(OEP)Co(Ⅱ)in the Presence of Bromide Anions[J]. Chinese Journal of Applied Chemistry, ;1996, 13(3): 20-24. shu

Electrochemical and Spectroelectrochemical Studies on the Electrooxidation of(OEP)Co(Ⅱ)in the Presence of Bromide Anions

1.
National Analytical Research Center of Electrochemistry and Spectroscopy, Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 21 August 1995
Available Online: 30 November 1995

The investigation of the electrooxidation processes of(OEP)Co(Ⅱ)was carried out utilizing cyclic voltammetry(CV),electrochemical CV titration and in-situ thin-layer UV-Visible spectroelectrochemistry in 1,2-dichloroethane solution.It was indicated that Br can coordinate axially with(OEP)Co(Ⅱ)and three one-electron oxidation steps lead(OEP) Co(Ⅱ)to the formation of five-or six-dentate coodination species.The formation constants of these species were estimated.The electrooxidation mechanism of(OEP)Co(Ⅱ)in the presence of Br^- anions was given.
- bromide anion,
- eobaltous oetaethylporphyrin,
- electrooxidation,
- electrochemistry,
- spectroelectrochemistry
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