TG-DTA-MS of Indium Acetate.

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  • SAWADA Yutaka
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo Institute of Polytechnics
  • SHIGARAKI Taro
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo Institute of Polytechnics
  • SEKI Shigeyuki
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo Institute of Polytechnics
  • OGAWA Makoto
    Department of Industrial Chemistry, Faculty of Engineering, Tokyo Institute of Polytechnics
  • SENDA Tetsuya
    Rigaku Co., Ltd.
  • NISHIDE Toshikazu
    Department of Industrial Chemistry, College of Engineering, Nihon University
  • MATSUSHITA Jun-ichi
    Department of Applied Chemistry, School of Engineering, Tokai University

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抄録

Indium acetate, a promising material for producing indium oxide films (Indium-Tin-Oxide transparent conductive films) by a dip coating, was synthesized and analyzed. The process of oxide formation in nitrogen and helium atmosphere was investigated by so-called TG-DTA-MS, i.e., thermogravimetry (TG) and differential thermal analysis (DTA) coupled with Evolved Gas Analysis (EGA) by mass spectrometry (MS) operated simultaneously. The thermal decomposition proceeded by gas evolution of water vapor and acetic acid followed by gas evolution of acetone and carbon dioxide at the higher temperature. The process in air atmosphere terminated at slightly earlier with an exothermic mass loss accompanying a rapid evolution of acetone, water vapor, and carbon dioxide; the evolved heat by combustion of acetone seemed to accelerate the thermal decomposition. The formula for indium acetate was estimated to be InOH (CH3COO)2 (basic acetate) by which the above reactions were explained satisfactorily.

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  • 質量分析

    質量分析 46 (4), 292-295, 1998

    一般社団法人 日本質量分析学会

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