Appearance White crystalline solid
Identification Passes test A, B,C
Oxalate Passes test
Assay 98.0% min
Specific rotation [a]D25 +95.0°~ + 98.0°
Lead (mg/kg) 2 max
Loss on drying 0.25% max
pH value 5.5~8.0
Arsenic (mg/kg) 3 max
Mercury (mg/kg) 1 max
