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Appearance
|
White or almost white crystalline powder
|
|
Specific optical rotation ([α]20/D; 10% in water; on dried substance)
|
+54.4 to +55.9°
|
|
Sulphated ash
|
Max 0.5%
|
|
Water (by KF)
|
4.5 - 5.5%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Copper (Cu)
|
Max 0.0025%
|
|
Lead (Pb)
|
Max 0.00005%
|
|
Zinc (Zn)
|
Max 0.0025%
|
|
Loss on drying (at 80°C ; 2 hrs)
|
Max 0.5%
|
|
Matter extractable with ethanol
|
Max 0.4%
|