Phosphotungstic Acid Hydrate, Reagent, 500g

Phosphotungstic Acid Hydrate, Reagent, 500g
For Research & Development
Not for drug, human, animal, or food use

Specifications:
Appearance (Color) White to pale yellow
Appearance (Form) Crystalline powder
Assay (with Cinchonine) 65.0% to 75.0%
Insoluble Matter <0.02%
Chloride (Cl) <0.03%
Ammonium (NH4) <0.005%
Sulfate (SO4) <0.02%
Nitrate (NO3) <0.01%
Heavy Metals (as Pb) <0.005%
Iron (Fe) <0.002%

CAS: 12501-23-4

FORMULA: H₃PO₄•12WO₃•xH₂O