Studies on Synthesis, Thermal Stability, Reducibility of Heteropolymolybdate with Center Atom P, As

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (1): 72.

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Studies on Synthesis, Thermal Stability, Reducibility of Heteropolymolybdate with Center Atom P, As

Wang Guo-jia, Hu Ji, Yang Hong-mao, Wu Tong-hao, Jiang Yu-zi, Zhen Kai-ji

Deprtment of Chemistry, Jilin University, Changchun, 130023

Received:1988-12-30 Online:1991-01-24 Published:1991-01-24

Abstract

Abstract: Four heteropolymolybdates with (XMo₁₂O₄₀)^3-anion of different center atom(X=P, As) have been synthesized, among them (NH₄)₃AsMo₁₂O₄₀and K₃AsMo₁₂O₄₀synthesized by improved method. The structure, thermal stability and reducibility of each compound were examined by means of FTIR, XRD, TG-DTA, ESR, TPR, and so on. It is found that thermal stability decreases and reducibility increases when the center atom Pchanges into As.

Key words: Heteropolymolybdate, Synthesis, Thermal stability, Reducibility

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Wang Guo-jia, Hu Ji, Yang Hong-mao, Wu Tong-hao, Jiang Yu-zi, Zhen Kai-ji . Studies on Synthesis, Thermal Stability, Reducibility of Heteropolymolybdate with Center Atom P, As[J]. Chem. J. Chinese Universities, 1991, 12(1): 72.

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Studies on Synthesis, Thermal Stability, Reducibility of Heteropolymolybdate with Center Atom P, As

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