| Items | Specifications |
| Appearance | A fine, white powder or almost white powder |
| Assay (dry Basis, %) | 99% min |
| Substances soluble in water | 0.24% max |
| Loss on drying | 0.5% max |
| Residue on ignition | 0.2% max |
| Heavy metals | 0.0015 max |
| pH | 5.5-7.5 |
| Assay%(calculated with the dried substance) | The content of alpha-cellulose: 97%~102% |
| Arsenic | 3mg/Kg max |
