Thermal Decomposition of Basic Magnesium Carbonate

DOI Web Site
  • SAWADA Yutaka
    Department of Inorganic Materials, Faculty of Engineering, Tokyo Institute of Technology
  • UEMATSU Keizo
    Department of Inorganic Materials, Faculty of Engineering, Tokyo Institute of Technology
  • MIZUTANI Nobuyasu
    Department of Inorganic Materials, Faculty of Engineering, Tokyo Institute of Technology
  • KATO Masanori
    Department of Inorganic Materials, Faculty of Engineering, Tokyo Institute of Technology

Bibliographic Information

Other Title
  • 塩基性炭酸マグネシウムの熱分解

Description

The thermal decomposition of basic magnesium carbonates, hydromagnesite 4 MgC08mg (OH)21-120 and nesquehonite MgCO3.3 H20, was studied as a function of temperature by a differential thermal gas analysis technique under various partial pressures of carbon dioxide (Pew). The decarbonation was strongly affected byCO2. Only one peak was observed in helium atmosphere for the evolution of carbon dioxide. At higher Pco, (P - coaR.20 atm) three distinct decomposition stages were evident on DTGA curves at approximately 400-500, 520

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1979 (1), 57-64, 1979-01-10

    The Chemical Society of Japan

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