Condensed Vanadate-Phosphates
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概要
- 論文の詳細を見る
Glasses of sodium vanadate-phosphates with P/V ratios of 1∼200 were prepared from mixtures of sodium metaphosphate, vanadium (V) oxide and sodium carbonate. Crystals of sodium vanadate-phosphates with P/V ratios of 7, 10 and 50 were also prepared.<BR>During the preparation of the glasses and the crystals, a part of the vanadium(V) is reduced to vanadium(IV). The percentages of vanadium(IV) in relation to the total vanadium increase with an increasing P/V ratio.<BR>From the paper chromatographic analyses of the aqueous solutions of the glasses and the crystals, it may be presumed that the glasses are mainly composed of chain structures such as<BR>……O–P–O–P–O–V–O–P–O–……<BR>and that the crystals contain considerable amounts of a vanadate-phosphate ring as follows:<BR>(<U>Remark: Graphics omitted.</U>)
- 社団法人 日本化学会の論文
著者
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Ohashi S.
Department of Medicine, Fujita Gakuen University School Medicine
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Matsumura Tadashi
Department Of Cardiology Tenri Hospital
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Matsumura Tadashi
Department of Chemistry Faculty of Science Kyushu University
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