Items
|
Standard
|
Analysis data
|
Appearance
|
White crystals or crystalline powder
|
Conforms
|
Specific Rotation[20/D]
£¨C=1 in H2O£©
|
-0.05º to +0.05º
|
0º
|
Water(KF)
|
Not more than 1.0%
|
0.52%
|
Loss on Drying
|
Not more than 0.50%
|
0.32%
|
PH
|
5~7
|
5.28
|
Purity (HPLC)
|
Not less than 98.0%
|
99.30%
|