PRECISE COULOMETRIC COMPLEXOMETRIC TITRATION OF GALLIUM AND INDIUM

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概要

• 論文の詳細を見る

• Gallium(III) and indium(III) were determined precisely by coulometric complexometric titration. The ions were allowed to react with an excess EDTA of known purity, and the excess part of the reagent was back-titrated with zinc ion generated electrolytically from an amalgamated zinc anode. The results of the purity measurements of commercial high-purity gallium and indium metals(both nominally 5-nine) were 99.997 and 99.997%, with standard deviations of 0.003 and 0.009%, respectively. The proposed methods may be applicable to the evaluation of stoichiometric composition of the compound semiconductors such as gallium arsenide, indium phosphide, etc.

• 社団法人日本分析化学会の論文
• 1984-01-05

著者

• Hasegawa Hiromi

  Department Of Biological Science Faculty Of Sciences Nara Women's University

• Hasegawa Hiromi

  Department Of Industrial Chemistry Faculty Of Engineering Science University Of Tokyo

• TANAKA^[○!R] Tatsuhiko

  Department of Industrial Chemistry, Faculty of Engineering, Science University of Tokyo

• OISHI Kazuyoshi

  Department of Industrial Chemistry, Faculty of Engineering, Science University of Tokyo

• YOSHIMORI Takayoshi

  Department of Industrial Chemistry, Faculty of Engineering, Science University of Tokyo

• Tanaka Tatsuhiko

  Department Of Industrial Chemistry Faculty Of Engineering Tokyo University Of Science

• Tanaka^ Tatsuhiko

  Department Of Industrial Chemistry Faculty Of Engineering Science University Of Tokyo

• Oishi Kazuyoshi

  Department Of Industrial Chemistry Faculty Of Engineering Science University Of Tokyo

• Yoshimori Takayoshi

  Department Of Industrial Chemistry Faculty Of Engineering Science University Of Tokyo

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