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Issue 15, 1973
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Reactions of sodium oxide with the oxides VO2, V2O3, VO, and vanadium metal

Abstract

The reactions of sodium oxide with vanadium metal and its lower oxides are described for different molar ratios of reactants. All reaction products are identified by powder X-ray crystallography and the reaction temperature determined by differential thermal analysis.

No ternary oxides containing vanadium in the 4+ state were formed in the reactions of sodium oxide with vanadium dioxide; an equimolar mixture gave NaVO2 and Na3VO4. The ternary oxide NaVO2 was prepared by the reaction of vanadium(III) oxide with sodium oxide in equimolar proportions, but sodium orthovanadate Na3VO4 was formed at higher sodium oxide concentrations. This product was also formed from reactions of the monoxide and vanadium metal with sodium oxide.

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Article type: Paper
DOI: 10.1039/DT9730001517
J. Chem. Soc., Dalton Trans., 1973, 1517-1519

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    Reactions of sodium oxide with the oxides VO2, V2O3, VO, and vanadium metal

    M. G. Barker and A. J. Hooper, J. Chem. Soc., Dalton Trans., 1973, 1517
    DOI: 10.1039/DT9730001517

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