ESR Study of Oxido-reduction Specificity of Heteropolyacid Salts Catalysts Containing Various Alkali Metals

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (5): 782.

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ESR Study of Oxido-reduction Specificity of Heteropolyacid Salts Catalysts Containing Various Alkali Metals

ZHENG Ying-Guang¹, DONG Feng-Xia¹, WU Tong-Hao², JIA Ji-Fei²

1. Analytical Measurement Center. Jilin University, Changchun, 130023;
2. Department of Chemistry, Jilin University

Received:1994-07-20 Revised:1994-12-10 Online:1995-05-24 Published:1995-05-24

Abstract

Abstract: The oxido-reduction and reduction-reoxidation specificity of heteropolyacid salts containing various kinds of alkali metals used for one-step oxidition of isobutyraldehyde to produce methacrolic acid was studied by ESR method. The effects of alkali and transition metals on oxido-reduction specificity of catalysts were discussed. Oxido-reduction capability of transition metal Cu, V, Mo in catalysts was compared. The effect of the behaviour of easy oxidiation of Cu⁺on catalytic activity was also analyzed.

Key words: Alkali metal, Heteropolyacid salts, Oxido-reduction, ESR

CLC Number:

O641.4

TrendMD:

ZHENG Ying-Guang, DONG Feng-Xia, WU Tong-Hao, JIA Ji-Fei. ESR Study of Oxido-reduction Specificity of Heteropolyacid Salts Catalysts Containing Various Alkali Metals[J]. Chem. J. Chinese Universities, 1995, 16(5): 782.

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ESR Study of Oxido-reduction Specificity of Heteropolyacid Salts Catalysts Containing Various Alkali Metals

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