High purity inorganic chemicals for the pharmaceutical, aerospace, R&D, and electronic industries.

  Barker Reinvents the Possible

Phosphotungstic Acid, Reagent Grade



Assay: ≥80.0%
Assay(as WO3): 80.0% min.
Insoluble Matter: 0.02% max.
Sodium (Na): 0.01% max.
Nitrate (NO3): 0.004% max.
Sulfate (SO4): 0.005% max.
Chloride (Cl) : 0.002% max.
Iron (Fe): 0.003% max.
Ammonia (NH3): 0.005% max.
Heavy Metals: 0.004% max.