Complaint
Item | Standard |
Appearance | White or almost white, crystalline powder. |
Identification | Positive |
Appearance of solution | The Solution is clear and not more intensely colored than reference solution BY7 |
Assay | ≥99.5% |
Acidity or alkalinity | 6.0g sample 0.1M NaOH≤0.15ml |
Specific optical rotation | +52.5º to +53.3º |
Foreign sugars,soluble starch,dextrins | Qualified |
Sulphites | Maximum 15ppm SO2 |
Chlorides | Maximum 125ppm |
Sulphates | Maximum 200ppm |
Arsenic | Maximum 1ppm |
Barium | Any opalescence in the solution is not more intense than in the standard |
Calcium | Maximum 200ppm |
Lead | Maximum 0.5ppm |
Water | Maximum 1.0% |
Sulphated ash | Maximum 0.1% |
Endotoxin | <1.25Eu/g |
Bacilli | Maximum 1000cfu/g |
Mold | Maximum 100cfu/g |
E.coli | Not available |
