
TEST ITEMS  | SPECIFICATION | RESULTS | 
| Description | : White Crystalline Powder | White Powder | 
| Identification | : Positive | Positive | 
| Assay(by HPLC) | : 98.0~102.0% | 99.34% | 
| Absorbance(E1cm) | : 465~495 | 482.5 | 
| Melting Point | : 191~195°C | 193.5~195.0°C | 
| Loss On Drying | : 0.5%max | 0.19% | 
| Specific Rotation | : +288°~ +298° | +290.2° | 
| Residue On Ignition | : 0.1%max | 0.03% | 
| Related Substances | : Total:1.5%max | <1.3% | 
| Single:0.5%max | <0.4% | |
| Residue Solvents | : 0.2%max | 0.10% | 
| Heavy Metals | : 20PPm max | <10PPm | 
| Conclusion | The specification conform with enterprise standard. | |

