Item
|
Standard
|
Analysis data
|
Appearance
|
Off-white crystalline powder
|
Conforms
|
Specific Rotation [20/D]
(C=1 in H2O)
|
+30.0 ° to +33.0°
|
+31.3°
|
Loss on drying
|
Not more than 0.50%
|
0.25%
|
Residue on ignition(sulfated)
|
Not more than 0.10%
|
0.08%
|
Assay
|
98.5 to101%
|
99.35%
|
PH
|
5.0 to 7.0
|
5.9
|