Identification ：
Appearance ：
Appearance of solution:
Specific Optical Rotation ：
Ninhydrin-positive substances:
Sulphates ：
Ammonium ：
Iron ：
Heavy Metals ：
Loss on drying ：
Sulphated ash ：
Assay ： |
Conforms to EP5
A white, crystalline powder or
colourless crystals
Clear and not more intensely coloured
than reference solution BY 6
+5.5° ～ +7.0°
Conforms to EP5
≤300ppm
≤200ppm
≤20ppm
≤10ppm
8.0% ～ 12.0%
≤0.10%
98.5% ～ 101.0%, on dry |
