Formation of Na0.9Mo6O17 in a solid-phase process. Transformations of a hydrated sodium molybdenum bronze, Na0.23(H2O)0.78MoO3, with heat treatments in a nitrogen atmosphere.
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概要
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The transformations of hydrated sodium molybdenum bronze, Na<SUB>0.23</SUB>(H<SUB>2</SUB>O)<SUB>0.78</SUB>MoO<SUB>3</SUB>, with heat treatments in a nitrogen atmosphere are as follows: Na<SUB>0.23</SUB>(H<SUB>2</SUB>O)<SUB>0.78</SUB>MoO<SUB>3</SUB> (AD) \xrightarrowat 330 K Na<SUB>0.23</SUB>(H<SUB>2</SUB>O)<SUB>0.5</SUB>MoO<SUB>3</SUB> (VD) \xrightarrowat 457 K Na<SUB>0.23</SUB>MoO<SUB>3</SUB> (with VD structure) \xrightarrowat 583 K Na<SUB>0.9</SUB>Mo<SUB>6</SUB>O<SUB>17</SUB> + small amount of other materials \xrightarrowat 800 and 900 Kmeit. This indicates a new and variable formation process of alkali metal molybdenum bronzes. In this process, Na<SUB>0.9</SUB>Mo<SUB>6</SUB>O<SUB>17</SUB> was formed in the solid phase without the formation of any intermediate products. Its formation temperature was about 600 K, which was less than those of the usual preparation methods by about 200 K.
- 公益社団法人 日本化学会の論文
著者
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Hatayama Fumikazu
School of Allied Medical Sciences, Kobe University
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Hatayama Fumikazu
School Of Allied Medical Sciences Kobe University
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Takagi Sadao
Department Of Chemistry Faculty Of Science And Technology Kinki University
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Sotani Noriyuki
College of Liberal Arts, Kobe University
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Eda Kazuo
College of Liberal Arts, Kobe University
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Furusawa Kouichi
Department of Chemistry, Faculty of Science and Technology, Kinki University
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Hatayama Fumikazu
School of Allied Medical Science, Kobe University
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