| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Yellow to yellow-green powder | Conforms |
| PH | 3.5~4.5 | 4.2 |
| Water | 5.0%~9.0% | 8.6% |
| Residue on ignition | ≤0.5% | 0.03% |
| Heavy metals | ≤20ppm | <20ppm |
| Epimer | ≤1.5% | 0.6% |
| Related substances |
Any single impurity ≤1.5% | 0.5% |
| Total impurities ≤5.0% | 2.6% | |
| Purity | ≥95.0% | 97.4% |
| Conclusion: The Product Conforms to Enterprise Standard. |
||
