Appearance: Off-White to white powder

Assay: NLT 99%

Loss on Drying: NLT 1.0%

Residue on Ignition: NMT 0.1%

Arsenic: NMT 1ppm

Heavy Metals: NMT 10ppm

[Packaging]: 1kg/bag, 5kg/carton, 25Kg /drum

[Storage]: Be preserved in a ventilated and dry place.

[Period of validity]: 2 years