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

  Barker Reinvents the Possible

Phosphoric Acid, Reagent A.C.S.

Assay: ≥85.0%
H3PO4
MAXIMUM ALLOWABLE  
Color (APHA): 10
Insoluble matter: 0.001%
Chloride (Cl): 3 ppm
Nitrate (NO3): 5 ppm
Sulfate (SO4): 0.003%
Volatile acids (as CH3COOH): 0.001%
Antimony (Sb): 0.002%
Calcium (Ca): 0.002%
Magnesium (Mg): 0.002%
Potassium (K): 0.005%
Sodium (Na): 0.025%
Arsenic (As): 1 ppm
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.003%
Manganese (Mn): 0.5 ppm
Reducing substances: Passes test