Specification
Chloride: ≤0.01%
Sulfate: ≤0.01%
Ammonium: ≤0.02%
Heavy Metals (as Pb): ≤10ppm
Arsenic (as Ar): ≤1ppm
Readily Carbonizable Substances: No Color Develops
Loss on Drying : ≤0.20%
Residue on Ignition: ≤0.10%
Assay (dry): 98.5 -101.0%
pH: 4.1 - 5.6