|
Appearance
|
White crystalline powder
|
|
Assay
|
Min. 99.7%
|
|
Specific optical rotation ([α]20/D)
|
+12.0° to +12.8°
|
|
Sulphated ash
|
Max. 0.01%
|
|
Chloride (Cl)
|
Max. 0.0005%
|
|
Sulphate (SO4)
|
Max. 0.0005%
|
|
Heavy metal (as Pb)
|
Max. 0.0005%
|
|
Iron (Fe)
|
Max. 0.0005%
|
|
Calcium (Ca)
|
Max. 0.002%
|