Synthesis and Properties of Rare Earth Molybdosilicic Heteropoly Blues Substituted by Cobalt

Abstract

Abstract: Rare earth molybdosilicic heteropoly blues substituted by cobalt, Ln₂H₂[SiMo₁₁Co·(H₂O)O₃₉]·nH₂O(Ln=La, Ce, Pr, Nd, Sm, Gd) have been prepared and systematically characterized by IR, UV, CV, TG DTA, XPS, ²⁹SiNMR, polarography and magnetic susceptibility. Based on the experimental results, it is reported that the reduced products(heteropoly blues) slightly change their structures compared with unreduced compounds. Co²⁺and Ln³⁺do not change in the reduced processes.

Key words: Rare earth molybdosilicic blues substituted by cobalt, Synthesis, Property

CLC Number:

O611.4

TrendMD:

LIU Jie, Wang-En-Bo, WANG Zuo-Ping, HU Chang-Wen. Synthesis and Properties of Rare Earth Molybdosilicic Heteropoly Blues Substituted by Cobalt[J]. Chem. J. Chinese Universities, 1998, 19(8): 1200.

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Synthesis and Properties of Rare Earth Molybdosilicic Heteropoly Blues Substituted by Cobalt

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