Preparation and thermal decomposition of indium hydroxide |
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| Authors: | T Sato |
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| Institution: | (1) Faculty of Engineering, Shizuoka University, Hamamatsu, 432-8011 Japan and Queen's University, Department of Materials and Metallurgical Engineering, Kingston, Ontario K7L 3N6, Canada |
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| Abstract: | Summary Indium hydroxides were prepared by the mixing of aqueous indium nitrate solution with sodium or ammonium hydroxide solutions
under various conditions. The thermal decomposition of the resulting materials was examined by thermogravimetry, differential
thermal analysis, X-ray diffraction study and infrared spectroscopy. It has been found that sodium hydroxide solution is more
suitable than the addition of ammonium hydroxide solution to prepare indium hydroxide in well crystallization; the thermal
decomposition of indium hydroxide, in which the composition is In(OH)3·xH2O where x￡2, proceeds according to the following process: In(OH)3·xH2O?cubic In(OH)3?cubic In2O3 |
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| Keywords: | TG DTA indium oxide indium hydroxide preparation and thermal decomposition |
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