|
Specific rotation
|
+21.3-+27.0°
|
|
Heavy metals
|
≤10ppm
|
|
Loss on drying
|
≤0.5%
|
|
Residue on ignition
|
≤0.20%
|
|
assay
|
98.5-101.0%
|
|
pH
|
2.0-2.8
|
