Appearance: Off-white crystalline powder

Assay: 98.0% ~ 102.0%

Loss on drying: 0.5%max

Melting point: 145¡æ~ 155¡æ

Single impurity: 0.1 %max

Total impurities: 0.2 % max

Residue on ignition: 0.2% max

Package: 25kg/fibre drum