Product Code : 20
Phosphotungstic Acid Synonyms: Phosphowolframic Acid; tungstophosphoric AcidCAS No.: 12501-23-4Chemical Formula: H3PO4*12WO3*xH2OFormula Weight: 2898.17Appearance: Off-White crystalline powderTurning yellow on exposure to lightAssay (with Cinchonine): 65.0% to 70.0%Insoluble Matter: 0.10% maximumChloride (Cl): 0.30% maximumNitrate (NO3): 0.05% maximumSulfate (SO4): 0.20% maximumAmmonium (NH4): 0.05% maximumHeavy Metals (as Pb): 0.05% maximumIron (Fe): 0.02% maximum
