Grade Standard : Medicine Grade, Tech Grade Purity : 99.5 %
Apperance : White or almost white crystalline powder
Assay : 98.0%-101.0%
LOSS ON DRYING : Not more than 0.5%
MELTING RANGE : 175C - 190C
HEAVY METALS : Not more than 20PPM
Packaging Details : kg/1 bag, or 5kg/1 bag,innermost is seal bag, and the second layer is aluminum foil bag, final layer is the cardboard box, or net weight 25kgs/drum.