Sodium Tungstate Dihydrate

Product Description

Solubility in water, WO3 Basis	<= 4.90 lb/gal (25C)
Lead as Pb	<= 0.002% wt.
Moisture	<= 10.0 - 11.3%
Insoluble Matter	<= 0.02% wt.
Iron	<= 0.01% wt.
WO3	>= 69.00% wt.
Alkalinity	<= 0.10% wt. (Na2CO3)
Chloride	<= 0.03% wt.
Sulfate	<= 0.02% wt.
pH	8.0 - 10.0 (aqueous solutions)
Na2WO4 x 2H2O	>= 99.00% wt.
Heavy metals (as Pb)	<= 0.01% wt.
Notes	Used as a source os soluble tungsten for corrosion and fire inhibition, catalysts, ceramics, colors, and inks.
Class	Unclassified
Function	Dyes and colors, Anti-Corrosive
Industry	Industrial, Anti-Corrosives

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