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| Items of Analysis | Standard of Analysis | Test Results |
| Appearance | White or almost white crystalline powder | Conform |
| Solubility | Freely soluble in water, sparingly soluble in alcohol | Conform |
| Identification | A-Melting Point: 170-174℃ B-IR: As per BP |
171.5-172.5℃ Positive |
| pH | 6.0-8.0 | 7.1 |
| Appearance of solution | Solution S is clear and not more intensely colored than reference solution BY7 | Conforms to RSBY7 |
| Heavy metals | ≤10ppm | <10ppm |
| Hydrazine & Related Substances | Any secondary spot: ≤0.2% Hydrazine spot: ≤0.05% |
<2% <0.05% |
| Loss on drying | ≤0.50% | 0.12% |
| Sulphated ash | ≤0.1% | 0.05% |
| Assay | 99.0%-101.0% | 99.7% |
| Conclusion | Conforms to BP2015 standard | |
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