Items | Standard |
Appearance | White crystalline powder |
Assay (dry basis) | 98.0-101.0% |
Specific optical rotation | + 13.5-+ 15.5° |
Water | 4.5-5.5% |
Reducing sugars | ≤0.2% |
Residue on ignition | ≤0.5% |
Heavy metals | ≤5ppm |
Nickel | ≤1ppm |
Lead | ≤0.5ppm |
Sulfated ash | ≤0.1% |
PH value | 4.5 - 7.0 |
Mesh size | Through 20mesh |
Total plate count | ≤50cfu/g |
Coliform | Negative |
Salmonella | Negative |
Yeast &Mold | ≤10cfu/g |