Items of Analysis | Analysis standard | Analysis results | |
Appearance | A white, crystalline, with a sweet taste ,freely soluble in water ,sparingly soluble in alcohol | Qualified | |
Identification | |||
A: Specific optical rotation | +52.5º—+53.3º | +53.0º | |
B: TLC | Complies | Complies | |
C: Chemical test (red precipitate) | Positive | Positive | |
Test | |||
Acidity or alkalinity | 6g sample 0.1mol/L NaOH≤0.15ml | 0.06ml | |
Water | Not more than 1.0% | 0.10% | |
Arsenic | Not more than 1ppm | max 0.25ppm | |
Calcium | Not more than 200ppm | max 50ppm | |
Lead in sugars | Not more than 0.5ppm | max 0.5ppm | |
Chloride | Not more than 125ppm | max 25ppm | |
Sulphates | Not more than 200ppm | max 25ppm | |
Appearance of solution | Solution is clear and not more intensely colored than reference solution | Qualified | |
Barium | Any opalescence in the solution is not more intense than in the standard | Qualified | |
Sulphites | max 15ppmSO2 | max15ppmSO2 | |
Foreign sugars,soluble starch,dextrins | Qualified | Qualified | |
Sulphated ash | 0.1% | 0.01% | |
Pyrogens (TAL 10% solution): | max 0.125Eu/ml | max 0.125Eu/ml | |
Limits of Bacteria | |||
Bacterium | Not more than 800 single/g | max 10 single/g | |
Mildew | Not more than 80 single/g | max10 single/g | |
Coliform | Should not be found | Not found | |
