Sodium_metavanadate

Sodium metavanadate

Sodium metavanadate

Chemical compound

Sodium metavanadate is the inorganic compound with the formula NaVO3.[1] It is a yellow, water-soluble salt.

Quick Facts Names, Identifiers ...
Chain of tetrahedral vanadate [VO4]− units, each sharing two corners

Sodium metavanadate is a common precursor to other vanadates. At low pH it converts to sodium decavanadate. It is also precursor to exotic metalates such as [γ-PV2W10O40]5-, [α-PVW11O40]4-, and [β-PV2W10O40]5-.[2]

Minerals

Sodium metavanadate occurs as two minor minerals, metamunirite (anhydrous) and a dihydrate, munirite. Both are very rare, metamunirite is now known only from vanadium- and uranium-bearing sandstone formations of central-western USA and munirite from Pakistan and South Africa.[3]

References

  1. [1]
    Kato, K.; Takayama, E. (1984). "Das Entwässerungsverhalten des Natriummetavanadatdihydrats und die Kristallstruktur des beta-Natriummetavanadats" [The dehydration activity of sodium metavanadate dihydrate and the crystal structure of β-sodium metavanadate]. Acta Crystallogr. B40 (2): 102–105. Bibcode:1984AcCrB..40..102K. doi:10.1107/S0108768184001828.
  2. [2]
    Domaille, Peter J. (2007). "Vanadium(V) Substituted Dodecatungstophosphates". Inorganic Syntheses. Vol. 27. pp. 96–104. doi:10.1002/9780470132586.ch17. ISBN 9780470132586.
  3. [3]
    "Munirite". Mindat.


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