| 项目 Specifications | 标准 Standard | |
|
特性 Characters |
白色或灰黄色结晶性粉末。 A white or pale yellow crystalline powder. |
|
|
鉴别 Identification |
A | Infrared Absorption should be 197nm. |
| B |
Thin-Layer Chromatographic Identification Test<201> |
|
| Related compound A | Not more than 0.5% | |
| Heavy metals | Not more than 0.001% | |
|
咪唑 Imidazole |
Not more than 0.5% | |
|
干燥失重 Loss on drying |
Not more than 0.5% | |
| Residue on ignition | Not more than 0.1% | |
|
含量 Assay |
不得低于98.0%；不得大于102% Not less than 98.0% and not more than 102% |
|
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