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Items | Standard |
Appearance | white crystalline powder |
Assay | 98%-102% |
Moisture | 2% max |
Methanol | 0.1% max |
Specific rotation | 84-87.5° |
Residue on ignition | 0.75 max |
Hydrolysis products | 0.1% max |
Related substances | 0.5% max\u007F |
Heavy metials(as pb) | 10mg/kg max |
Lead | 1mg/kg max |
Particle size | 90% through 100mesh; 95% pass through 80mesh |
Yeast& moulds | 50cfu/g max |
Coliforms, e-coli, s.aureus, salmonella | negative |






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