Studies on 1:12 Molybdoarsenate Heteroly Anion Film Chemically Modified Electrode

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (7): 1028.

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Studies on 1:12 Molybdoarsenate Heteroly Anion Film Chemically Modified Electrode

CHEN Ling-Yin

Test & Analysis Center, Anhui Normal University, Wuhu, 241000

Received:1995-01-16 Revised:1995-04-28 Online:1995-07-24 Published:1995-07-24

Abstract

Abstract: Amonolayer of 1:12 molybdoarsenate acid (AsMo₁₂) was modified on a glassy carbon electrode (GCE) by electrochemical or dip coating method in a solution containing 1. 33×10^-5mol/Lmolybdoarsenate, 0.30 mol/L sulfuric acid -20% acetone. Cyclic voltam-metry was used to study the electrochemical behavior of AsMo₁₂and AsMo₁₂film modified electrode. It is confirmed that AsMo₁₂can be strongly adsorbed on the surface of GCE. On the other hand, the autocatalytic reduction of AsMo₁₂and the electrocatalytic reduction of the AsMo₁₂film modified electrode for iodate anion (IO₃^-) in 0. 30 mol/Lsulfuric acid -20% acetone is described.

Key words: Molybdoarsenate, Chemically modified electrode, Arsenic, Electrocatalysis, Io-date

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CHEN Ling-Yin . Studies on 1:12 Molybdoarsenate Heteroly Anion Film Chemically Modified Electrode[J]. Chem. J. Chinese Universities, 1995, 16(7): 1028.

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Studies on 1:12 Molybdoarsenate Heteroly Anion Film Chemically Modified Electrode

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