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Low-temperature stages in the mechanochemical synthesis of gamma-lithium monoaluminate

机译:机械化学合成γ-单铝酸锂的低温阶段

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摘要

Low-temperature (< 500A degrees C) stages in the synthesis of gamma-lithium monoaluminate through heat treatment of a mechanically activated mixture of aluminum hydroxide and lithium carbonate have been studied by thermogravimetry and differential scanning calorimetry in combination with mass spectrometry. The results demonstrate that heating the mixture to above 80-100A degrees C is accompanied by the release of not only water (resulting from the decomposition of X-ray amorphous aluminum hydroxide) but also carbon dioxide. The carbon dioxide originates from the reaction of the lithium carbonate with the products of X-ray amorphous aluminum hydroxide thermolysis.
机译:通过热重分析和差示扫描量热法结合质谱法,研究了通过热处理机械活化的氢氧化铝和碳酸锂的混合物来合成γ-单铝酸盐的低温阶段(<500A摄氏度)。结果表明,将混合物加热至高于80-100A的温度不仅会释放水(由于X射线无定形氢氧化铝的分解而产生),还会释放二氧化碳。二氧化碳源自碳酸锂与X射线无定形氢氧化铝热解产物的反应。

著录项

  • 来源
    《Inorganic materials》 |2017年第1期|77-80|共4页
  • 作者单位

    Russian Acad Sci, Inst Solid State Chem & Mechanochem, Siberian Branch, Ul Kutateladze 18, Novosibirsk 630128, Russia;

    Russian Acad Sci, Inst Solid State Chem & Mechanochem, Siberian Branch, Ul Kutateladze 18, Novosibirsk 630128, Russia;

    Russian Acad Sci, Inst Solid State Chem & Mechanochem, Siberian Branch, Ul Kutateladze 18, Novosibirsk 630128, Russia;

    Russian Acad Sci, Inst Solid State Chem & Mechanochem, Siberian Branch, Ul Kutateladze 18, Novosibirsk 630128, Russia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    mechanochemical synthesis; low-temperature stage; gas evolution;

    机译:机械化学合成低温阶段析气;

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