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Atropine
| ITEMS | LIMIT | RESULTS |
| APPEARANCE | COLORLESS CRYSTALS OR WHITE CRYSTALLINE POWDER,ODORLESS, | WHITE CRYSTALLINE POWDER,ODORLESS |
| IDENTIFICATION | ||
| INFRARED ABSORPTION | CONFORMS WITH THE SPECTRUM OF RS | CONFORMS WITH RS |
| THE REACTION OF SULPHATES | SHOULD BE POSITIVE | POSITIVE |
| INSPECTION | ||
| MELTING TEMPERATURE | NOT LESS THAN 187 | 193 |
| OPTICAL ROTATION | -0.60°~ +0.05° | +0.001° |
| ACIDITY | NOT MORE THAN 0.30ML | 0.15ML |
| WATER CONTENT | NOT MORE THAN 4.0% | 3.09% |
| RESIDUE ON IGNITION | NOT MORE THAN 0.2% | 0.05% |
| RESIDUAL SOLVENT IMPURITIES | ||
| ACETONE | NOT MORE THAN 0.25% | 0.001% |
| OTHER ALKALOIDS | MEETS THE REQUIREMENTS | MEETS THE REQUIREMENTS |
| ASSAY | 98.5%~101.0% CALCULATED ON THE DRIED BASIS | 100.3% |
| CONCLUSION: CONFORM TO USP32 | ||
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