质量标准
Test Items Standard
Appearance White fine crystals
Assay 98.0 to 101.0%
Specific Rotation [α]20/D
Chloride (Cl)Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on DryingNot more than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%
