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Citation: Wang Li, Zhou Yunshan, Wang Enbo. Conductivity and Magnetic Property of Substituted Tungstosilicate Heteropoly Complexes[J]. Chinese Journal of Applied Chemistry, ;1997, 14(4): 6-9. shu

Conductivity and Magnetic Property of Substituted Tungstosilicate Heteropoly Complexes

1.
Department of Chemistry, Northeast Nornal University, Changchun 130024

Received Date: 28 October 1996
Available Online: 22 April 1997

The substituted tungstosilicate complexes T-Na_mH_n[SiW₉M₃(H₂O)₃O₃₇]·16H₂O (M=Co(Ⅱ), Ni(Ⅱ), V(Ⅴ)) were synthesized and characterized by IR, UV, ICP, TG-DTA, EPR and XPS. The conductivity of co complex was above 1×10^-3 S/cm at room temperature and 1×10^-2 S/cm at 343 K. The magnetic susceptibility data obtained in the range of 75~300 K have fitted with J and g, based on the spin hamiltonian H=-2J_ij·S_i·S_j.
- tungstosilicate heteropoly complex,
- conductivity,
- magnetic susceptibility
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