Test Items Standard
Appearance White fine crystals
Assay 98.0 to 101.0%
SpecificRotation [α]20/D
Meltingpoint
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Notmore than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%