Synthesis, Characterization and Electrochemical Behaviour of K6SiW11TiO40·16H2O

Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (3): 6-9.

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Synthesis, Characterization and Electrochemical Behaviour of K₆SiW₁₁TiO₄₀·16H₂O

Li Shunyu, Chen Yaguang, Liu Jingfu, Ding Jie

Department of Chemistry, Northeast Normal University, Changchun 130024

Received:1997-09-11 Revised:1998-01-06 Published:1998-06-10 Online:1998-06-10

Abstract

Abstract: The titanium-substituted heteropolytungstosilicate K₆SiW₁₁TiO₄₀·16H₂O(SiW₁₁Ti) was synthesized and characterized by elemental analysis, IR, UV-Vis and ¹⁸³W NMR spectra. Its electrochemical behavior in aqueous solution has been discussed. Its reduction process involves an one-electron reduction of Ti(Ⅳ) and a pair of two electron reduction of W(Ⅵ). It shows a good catalytic activity on the reduction of NO₂^- in weak acid medium.

Key words: titanium tungstosilicate, synthesis, electrochemical behavior

Li Shunyu, Chen Yaguang, Liu Jingfu, Ding Jie . Synthesis, Characterization and Electrochemical Behaviour of K₆SiW₁₁TiO₄₀·16H₂O[J]. Chinese Journal of Applied Chemistry, 1998, 0(3): 6-9.

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Synthesis, Characterization and Electrochemical Behaviour of K₆SiW₁₁TiO₄₀·16H₂O

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