The formation process of hydrous gallium(III) oxide particles obtained by hydrolysis at elevated temperatures.

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概要

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• Hydrous gallium(III) oxide was produced as monodispersed spherical particles by forced hydrolysis in the presence of sulfate ions, though they partially dissolved and recrystallized. The rate of the reaction degree was empirically expressed under the given conditions as <I>d</I>α⁄<I>dt</I>=1.60α<SUP>2⁄3</SUP>(1−α)<SUP>0.874</SUP>, where α is the reaction degree. Polymeric hydroxo complexes were confirmed to act as precursors of the monodispersed spherical particles, judging from the fractional changes of the monomeric and polymeric species during the hydrolysis. The role of sulfate ions in the formation of hydrous gallium(III) oxide particles was discussed.

• 公益社団法人 日本化学会の論文

著者

• Hamada Shuichi

  Department of Applied Chemistry, Faculty of Science, and Institute of Colloid and Interface Science, Science University of Tokyo

• Kudo Yoshiyuki

  Department of Applied Chemistry, Faculty of Science, and Institute of Colloid and Interface Science, Science University of Tokyo

関連論文

• The formation process of hydrous gallium(III) oxide particles obtained by hydrolysis at elevated temperatures.

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