Items |
Standards |
Appearance and solubility |
White or almost white, crystalline powder. It has a sweet taste.Freely soluble in water, sparingly soluble in ethanol (96%) |
Identification |
Positive |
Appearance of solution |
The Solution is clear and not more intensely colored than reference solution BY7 |
Specific optical rotation |
+52.5ºto +53.3º |
Assay |
≥99.5% |
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% |