Effect of Different Electrode Materials and Addition of Different Metal Ions on Cr3+Anode Oxidation

Chem. J. Chinese Universities ›› 2004, Vol. 25 ›› Issue (8): 1533.

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Effect of Different Electrode Materials and Addition of Different Metal Ions on Cr³⁺Anode Oxidation

LI Ke-Chang, ZHANG Heng-Bin, CAO Xue-Jing, LIN Hai-Bo

College of Chemistry, Jilin University, Changchun 130023, China

Received:2003-07-17 Online:2004-08-24 Published:2004-08-24

Abstract

Abstract: By measurements of cyclic voltammetry and current efficiency,the anodic oxidation behavior of Cr³⁺ at PbO₂,graphite and Pt electrodes was studied. It is found that PbO₂ is a higher active electrode material for Cr³⁺ oxidation. The effect of addition of Ag⁺,Mn²⁺,Co²⁺ on Cr³⁺ oxidation was also explored. The results indicate that the electrocatalysis of Ag⁺ is very obvious.

Key words: Cr³⁺, Electrooxidation, Eletrocatalysis, Cyclic voltammetry, Current efficiency

CLC Number:

O646

TrendMD:

LI Ke-Chang, ZHANG Heng-Bin, CAO Xue-Jing, LIN Hai-Bo . Effect of Different Electrode Materials and Addition of Different Metal Ions on Cr³⁺Anode Oxidation[J]. Chem. J. Chinese Universities, 2004, 25(8): 1533.

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Effect of Different Electrode Materials and Addition of Different Metal Ions on Cr³⁺Anode Oxidation

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