|
Appearance
|
White crystalline powder
|
|
Assay
|
Min 99%
|
|
Melting point
|
165 - 169° C
|
|
Specific optical rotation ([α]20/D)
|
+23° to +25°
|
|
Loss on drying (at 105°C)
|
Max 0.05%
|
|
Insoluble matter
|
Max 0.01%
|
|
Acidity (as CH3COOH)
|
Max 0.005%
|
|
Sulphated ash
|
Max 0.02%
|
|
Chloride (Cl)
|
Max 0.001%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Calcium (Ca)
|
Max 0.001%
|
|
Copper (Cu)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
Reducing sugars (as glucose)
|
Max 0.05%
|
|
Substance darkened by H2SO4
|
Passes test
|
|
D (-)-Sorbite (GC)
|
Max 1%
|