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Citation: LIU Yang, LIU Hong-Tao, XIA Xi. Electrochemical Behavior of Vanadium Compounds at Carbon Paste Electrode(CPE)[J]. Chinese Journal of Applied Chemistry, ;2001, 18(12): 987-990. shu

Electrochemical Behavior of Vanadium Compounds at Carbon Paste Electrode(CPE)

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

Received Date: 29 March 2001
Available Online: 30 August 2001

The electrochemical behavior of V₂O₃, V₂O₅ and NH₄VO₃ at carbon paste electrode(CPE) in H₂SO₄ solution were investigated by cyclic voltammetry. The results showed that for vanadium(Ⅲ) compound there appeared two reduction peaks but three oxidation peaks in cyclic voltammograms in different H₂SO₄ concentration solutions, while for two vanadium(Ⅴ) compounds there were four reduction peaks and four oxidation peaks, quite close to each other. The corresponding redox peaks were reasonably analyzed and the reaction mechanism has been discussed briefly.
- carbon paste electrode,
- cyclic voltammetry,
- redox,
- reaction mechanism
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