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Barium tungstate

Chemical compound From Wikipedia, the free encyclopedia

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Barium tungstate is an inorganic chemical compound of barium and the tungstate anion.

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Synthesis and properties

Barium tungstate can be obtained from the precipitation reaction between barium nitrate and ammonium paratungstate or sodium tungstate.[5][6]

Ba(NO3)2 + Na2WO4 → BaWO4↓ + 2 NaNO3

It is a white solid,[1] which at normal conditions forms tetragonal crystals similar to scheelite, CaWO4. Under pressures above 7 GPa, the compound undergoes transformation to a monoclinic structure similar to fergusonite, YNbO4.[7]

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Uses

Barium tungstate can be used as a frequency shifter in laser technology.[8] It has uses in X-ray photography and as a pigment.[4]

References

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