| Test Item | Specification |
| Appearance | White to off-white Powder |
| Identification by IR | Conforms To Reference |
| Assay | 99.0% - 101.0% |
| Solubility (1% in 4% NaOH) | Clear,Colorless to Slightly Yellow Solution |
| Ammonium （NH4） | ≤200 ppm |
| Sulfated ash | ≤0.1% |
| Heavy metal(Pb) | ≤10ppm |
| Loss on drying | ≤0.5% |
| Iron(Fe) | ≤10ppm |
| Non-Animal origin | To Pass |
| Conclusion | The results conform with EP8.0 standard. |