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| ITEMS | Quinine sulphate | TEST RESULT |
| DESCRIPTION | A white or almost white powder | Complies |
| SOLUBILITY | Very soluble in water; soluble in ethanol (96%) | Complies |
| MELTING POINT | 233-235 ºC | 234ºC |
| SPECIFIC OPTICAL ROTATION | -223-229° (C=2, 0.1M HCl) | -241º |
| SULPHATED ASH | ≤0.1% | 0.05% |
| BARIUM | This product is 0.2g, dissolved in 10ml water, add dilute sulfuric acid 1ml, 15 minutes, turbidity shall not occur | Complies |
| THE RELATED IMPURITIES | ≤ 1.5% | 0.9% |
| LOSS ON DRYING | 6.0%-10.0% | 8.0% |
| RESIDUE ON IGNITION | ≤ 0.15% | 0.05% |
| PH | pH=2.0-3.0 | 2.5 |
| ASSAY | 99.0%-101.0% | 99.2% |
| TEST CONCLUSION | The product complies with BP2009 and CP2005 standards | |
| Company: | Chongqing Heng-Star Biotechnologies Co., Ltd. |
| Address: | Zhengyang Industrial Park |
| Region: | Chongqing, Chongqing, China |
| Contact Person: | Ms. Wanmin Du |
| Telephone: | 86-23-79426921 |