| ≥1 piece |
| Item | Standard |
| Description: | White crystaline and fine powder,odorless and with light sweet taste |
| Identification: | Conform |
| Solubility: | Conform |
| Clarity and color: | Conform |
| Appearance: | White powder |
| Assay: | 98%~101.5% |
| Reducing sugars: | Conform |
| Acidity: | 0.2ml max |
| Volatile materials: | 0.3% max |
| Melting point: | 164~169 |
| Loss on drying: | 0.3% max |
| Reducing sugar: | Near Zero |
| Specific Rotation: | 137°~145° |
| Arsenic: | 1ppm max |
| Chloride: | 0.007% max |
| Sulphate: | 0.01% max |
| Apparent density: | 0.4-0.5 g/ml |
| Size Crystals: | Max 50% 60micra |
| 30%~60%60-150micra | |
| 10%~25%150mircra | |
| Sorbierite: | Not detected. |
| Microbiological tests: | Not detected. |
| Enterobacterium: | Not detected. |
| Facultative Pathogenics: | Not detected. |
| Pyrogen: | Free |