[Know Tungsten] Calcium Tungstate 14

Calcium tungstate is also called artificial scheelite, chemical formula is CaWO4, they have same composition but different function. Tungsten scheelite is original mineral without processing, calcium tungstate is chemical products of tungstate.

[Know Tungsten] Tungstate 24

Tungstate consists of wolframate radical or poly tungsten acid radical. Ammonium ions, alkali metals, alkaline earth metals and many heavy metal cations can form tungstates. Apart from alkali metal, ammonium and magnesium salts, most tungstate is insoluble in water.

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