| Varieties: | General Disease Prevention Medicine |
|---|---|
| Component: | Florfenicol |
| Type: | The First Class |
| Pharmacodynamic Influential Factors: | Repeated Medication |
| Storage Method: | Light Proof |
| Veterinary Reg. No.: | N/A |
| Customization: |
|---|
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Audited Supplier Specification of Oxytetracycline HCL
| Items | Specifications | Results | |
| Characters | Yellow, Crystalline Powder | Conform | |
| Solubility | Freely soluble in water, Sparingly soluble in alcohol | Conform | |
| Identification | A: Thin-layer chromatography results | Conforms | |
| B: Colour reaction with sulfuric acid | Conforms | ||
| C: Give reaction (a) of chlorides | Conforms | ||
| pH | 2.3~2.9 | 2.5 | |
| Specific optical rotation | -188~-200 | -196 | |
| Specific absorbance | 270~290 | 283 | |
| Light | 430nm | ≤0.50 | 0.18 |
| 490nm | ≤0.20 | 0.04 | |
| Related substances (%) | Impurity A | ≤0.5 | 0.26 |
| Impurity B | ≤2.0 | 0.47 | |
| Impurity C | ≤2.0 | 1.7 | |
| Total of impurities D. E and F | ≤2.0 | 0.2 | |
| Disregard limit | ≤0.1 | conform | |
| Heavy metals (ppm) | ≤50 | <50 | |
| Water(%) | ≤2.0 | 1.2 | |
| Sulfated ash(%) | ≤0.5 | 0.24 | |
| Assay (%) | 95.0~102.0 | 98.3 | |
| Methanol(ppm) | ≤3000 | 632 | |
| Conclusion | The results can conforms with BP2018/EP9 | ||
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