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Description
CAS#: 7783-20-2 | Formula: (NH4)2SO4 | Specifications: Absorbance (1M in H2O) @ 260 nm 0.039 Max, Absorbance (1M in H2O) @ 280 nm 0.030 Max, Al 5 ppm Max, As 0.2 ppm Max, Assay 99.5 % - Min, Ba 5 ppm Max, Bi 5 ppm Max, Ca 10 ppm Max, Cd 1 ppm Max, Chloride 0.0005 % Max, Co 5 ppm Max, Cr 5 ppm Max, Cu 5 ppm Max, Fe 2 ppm Max, Insoluble Matter 0.005 % Max, K 50 ppm Max, Li 5 ppm Max, Loss on drying @ 110 C (%) 0.1 % Max, Mg 5 ppm Max, Mn 5 ppm Max, Mo 5 ppm Max, Na 50 ppm Max, Ni 5 ppm Max, Nitrate 0.001 % Max, Pb 2 ppm Max, pH (1M in water @ 20 C) 5.0 - 6.0 pH, Phosphate 0.0005 % Max, Residue on ignition 0.01 % Max, Sr 5 ppm Max, Zn 1 ppm Max