Superiority:
Description White needle crystals or crystalline
Assay ≥99.5%
Loss on Drying ≤0.5%
Residue Ignition ≤0.5%
Specific rotation +175.0°~+185.0°
Clarity of water solution Transparent,colorless,none suspended
PH 5.0~7.0
Melting point 202.0℃~210.0℃
Hydroquinone Negative
Lead ≤10mg/kg
Arsenic ≤2 mg/kg
Mercury ≤1 mg/kg
Methanol ≤2000mg/kg
Aerobic Bacterial Count ≤1000cfu/g
Molds and Yeast Count ≤100 cfu/g
Fecal Coliforms Negative/g
Pseudomonas Aerginosa Negative/g
Details:
Description White needle crystals or crystalline
Assay ≥99.5%
Loss on Drying ≤0.5%
Residue Ignition ≤0.5%
Specific rotation +175.0°~+185.0°
Clarity of water solution Transparent,colorless,none suspended
PH 5.0~7.0
Melting point 202.0℃~210.0℃
Hydroquinone Negative
Lead ≤10mg/kg
Arsenic ≤2 mg/kg
Mercury ≤1 mg/kg
Methanol ≤2000mg/kg
Aerobic Bacterial Count ≤1000cfu/g
Molds and Yeast Count ≤100 cfu/g
Fecal Coliforms Negative/g
Pseudomonas Aerginosa Negative/g