|
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% |