|
|
Properties |
Specifications |
|
Appearance |
White crystal powder |
|
Identification |
Positive reaction |
|
Assay |
98.0% min |
|
Melting point |
187-192℃ |
|
PH |
6.8-7.4 |
|
Loss on drying |
0.1% max |
|
Arsenic |
3ppm max |
|
Heavy metal(Pb) |
0.001% max |
|
Fluoride |
0.001%max |
|
Specific optical rotation |
+95- +97℃ |
|
Oxalate |
Meet requirements | |
|
