Preparation and Behaviour of Cobalt Hexacyanoferrate Film Electrode

Abstract

Abstract: The very stable cobalt hexacyanoferrate film electrodes (CHCF/GC) were prepared, which can undergo successively over 10000 cycles of potential sweep between -1. 0 V and + 0. 9 V(vs SCE). Various factors which affect the voltammetry of CHCF film electrodes and the charge transport process of the electrodes are discussed. The size of the hydrated cations, the concentration of electrolyte and the swelling property of the film in the solvent have significant effects on voltammetry of CHCF film electrodes. Electrocatalysis of CHCF film electrode to Fe³⁺/Fe²⁺is also discussed.

Key words: Cobalt hexacyanoferrate, Modified electrode, Voltammetry

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Wang Guang-qing, Gao Zhi-qiang, Zhao Zao-fan . Preparation and Behaviour of Cobalt Hexacyanoferrate Film Electrode[J]. Chem. J. Chinese Universities, 1991, 12(2): 243.

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Preparation and Behaviour of Cobalt Hexacyanoferrate Film Electrode

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