Description
Ammonium Sulfate, Granular AR (ACS). Assay ((NH4)2SO4): min. 99. 0 %. Chloride (Cl): max. 5 ppm. Heavy Metals (as Pb): max. 5 ppm. Insoluble Matter: max. 0. 005 %. Iron (Fe): max. 5 ppm. Nitrate (NO3): max. 0. 001 %. pH of 5% Solution at 25 [degree]C 5. 0 – 6. 0. Phosphate (PO4): max.