| TEST ITEMS | SPECIFICATION | RESULTS |
| Description | White or light yellowish crystalline powder | white powder |
| Assay | 97.00%min | 98.52% |
| Loss On Drying | 1.0%max | 0.18% |
| Melting Point | 146~154°C | 149.0~151.0°C |
| Heavy Metals | 10PPm max | <10PPm |
| Residue On Ignition | 0.1%max | 0.05% |
| Conclusion | The specification conform with enterprize standard |