セレン及びテルルービスムチオールII錯体の組成

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書誌事項

タイトル別名
  • Composition of selenium- and tellurium-bismuthiol II complexes.
  • セレン及びテルル‐ビスムチオールＩＩ錯体の組成
  • セレン オヨビ テルル ビスムチオール 2 サクタイ ノ ソセイ

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抄録

It has been reported that selenium and tellurium react with bismuthiol II to form 1 : 4 complexes(Se or Te : reagent). In this work the composition of the complexes precipitated from an aqueous phase was also confirmed to be 1 : 4 by elementary analysis. However, it was revealed that the complexes were mixtures of Se(II)- and/or Te(II)-bismuthiol II, and disulfide of the reagent by vapor pressure osmometry. Selenium (IV) and Tellurium(IV) oxidize a part of the reagent to disulfide and are themselves reduced to Se(II) and Te(II), followed by combining with the reagent to from the Se- and Te-bismuthiol II complexes. This reaction is quantitative and the disulfide contained in the precipitate was confirmed by IR spectra. Once large amounts of the precipitates are dissolved in benzene and chloroform, they soon reprecipitate from the organic phase. The precipitates were confirmed to be 2 : 2 complexes by elementary analysis, mass spectra, and gel permeation chromatography.

収録刊行物

  • 分析化学

    分析化学 34 (8), 509-512, 1985

    公益社団法人 日本分析化学会

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