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Procaine hydrochloride
| ITEMS | LIMIT |
| Characters | White crystalline powder |
| Identification: A,B,C | Positive reaction |
| Melting range | 153~158 |
| Heavy metals | ≤20ppm |
| Acidity | ≤0.02N NaOH0.5ml |
| Chromatographic purity | Secondary spots≤0.5%,sum≤1.0% |
| Loss on drying | ≤1.0% |
| Residue on ignition | ≤0.15% |
| Assay (C13H20N2O2.HCL) | 99.0~101.0% |
| Bacterial endotoxins | ≤0.6EU/mg |
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