Synthesis and Characterization of(NH4)n[LaSb9W21O86M3]·xH2OHeteropoly Complexes

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (6): 799.

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Synthesis and Characterization of(NH₄)n[LaSb₉W₂₁O₈₆M₃]·xH₂OHeteropoly Complexes

LIU Jing-Fu¹, WANG Wei-Qing¹, LIU Shu-Xia¹, ZHAO Ben-Liang¹, GUO Yi-Hang¹, ZHAN Xiao-Peng¹, LIU Ya²

1. Department of Chemistry, Northeast Normal University, Changchun, 130024;
2. Preventive Medical Institute, Baiqiuen Medical University

Received:1993-09-22 Revised:1994-01-06 Online:1994-06-24 Published:1994-06-24

Abstract

Abstract: Ammonium salts of seven new heteropolytungstates, [LaSb₉W₂₁O₈₆M₃]^10-,7- (M=Mn, Co, Ni, Cu, Zn, Cr, Fe)were prepared from[LaSb₉W₂₁O₈₆M₃]^16- and characterized by elemental analysis, visible spectroscopy and electrochemistry.Based on ₁₈₃W NMRspectroscopy of the lanthanum complex, the lanthanide cations occupy the central site in the structure previously demonstrated for the sodium derivative, and the possible binding sites for transition metal cations are discussed.

Key words: Rare earth heteropolycomplex, Heteropolytungstoantimonate, Synthesis

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LIU Jing-Fu, WANG Wei-Qing, LIU Shu-Xia, ZHAO Ben-Liang, GUO Yi-Hang, ZHAN Xiao-Peng, LIU Ya. Synthesis and Characterization of(NH₄)n[LaSb₉W₂₁O₈₆M₃]·xH₂OHeteropoly Complexes[J]. Chem. J. Chinese Universities, 1994, 15(6): 799.

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Synthesis and Characterization of(NH₄)n[LaSb₉W₂₁O₈₆M₃]·xH₂OHeteropoly Complexes

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