Preparation and Characterization of Chromium ( Ⅲ )-Containing α-and β-Tungstosilicates( Ⅱ )

Preparation and Characterization of Chromium ( Ⅲ )-Containing α-and β-Tungstosilicates( Ⅱ )

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摘要 Two new compounds of A- type α-and β-K4.5H2.5[SiW9Cr3(OH2)3O37]·xH2O were synthesized. The two kinds of isomers of α-and β-SiW12-xCrx(x=2, 3) were identified by Second-derivative IR spectroscopy and cyclic voltammetry. The numbers of electrons involved in reductions were obtained by controlled potential electrolyses of the isomers. Two new compounds of A- type α-and β-K4.5H2.5[SiW9Cr3(OH2)3O37]·xH2O were synthesized. The two kinds of isomers of α-and β-SiW12-xCrx(x=2, 3) were identified by Second-derivative IR spectroscopy and cyclic voltammetry. The numbers of electrons involved in reductions were obtained by controlled potential electrolyses of the isomers.

作者 Peng Jun and Qu Lunyu (Department of Chemistry, Northeast Normal University, Changchun)Xu Yihua (Department of Chemistry, Jilin University, Changchun)Peng Weixian and Zhao Yongnian (Department of Physics, Jilin University, Changchun)

出处《Chemical Research in Chinese Universities》 SCIE CAS CSCD 1991年第3期143-147,共5页 高等学校化学研究（英文版）

关键词 Heteropoly complexes Heteropoly acids Heteropoly anions Heteropoly complexes, Heteropoly acids, Heteropoly anions

分类号 O6 [理学—化学]

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Chemical Research in Chinese Universities

1991年第3期

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Preparation and Characterization of Chromium ( Ⅲ )-Containing α-and β-Tungstosilicates( Ⅱ )

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