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Appearance
|
A white crystalline powder
|
|
Assay
|
Min 99%
|
|
Specific optical rotation ([α]20/D; 10% in water; on anhydrous substance)
|
-93.5° to -91°
|
|
Insoluble matter
|
Max 0.005%
|
|
Water (H2O)
|
Max 0.5%
|
|
Sulphated ash
|
Max 0.1%
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Sulphate (SO4)
|
Max 0.02%
|
|
D (+) Glucose (C6H12O6)
|
Max 0.5%
|
|
Calcium & magnesium
|
Max 0.005%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Barium (Ba)
|
Passes test
|
|
Copper (Cu)
|
Max 0.0025%
|
|
Lead (Pb)
|
Max 0.00001%
|
|
Zinc (Zn)
|
Max 0.0025%
|