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Levamisole Phosphate
| ITEMS | LIMIT |
| Characters | A white or almost white crystalline powder |
| Specific optical rotation | -95°~ -105° |
| Identification | Positive |
| Appearance of solution | Meets the requirements |
| Acidity | pH 3.0 ~ 4.5 |
| Related substances | Individual impurity ≤0.5% |
| Total impurities ≤1.0% | |
| Heavy Metals | ≤0.002% |
| Loss on drying | ≤0.4% |
| Assay | 98.5% ~ 101.0% |
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