| ITEM |
STANDARD |
| Assay.% |
98.5-101.5 (Hplc) |
|
Identification a |
Conform (Ir) |
| Identification b
(Ratio:a245/a262) |
0.63-0.67 (Uv) |
| Melting Range ℃ |
128-131 |
| Loss On Drying % |
=< 0.5 (Silica Gel Drier) |
| Residue On Ignition % |
=< 0.1( High Temperature Ignition) |
| Heavy Metals，% |
=<0.003 (Colorimetry) |
| Readily Carbonizable Substances |
Conform (Colorimetry) |
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