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| Test Items | Specification Range | Test Results |
|---|---|---|
| Appearance | White crystalline powder | White crystalline powder |
| Residue on ignition | 0.10% Max | <0.01% |
| Heavy metals | 5ppm Max | <5ppm |
| Lead (Pb) | 3 ppm Max | <3 ppm |
| Cadmium (Cd) | 1ppm Max | <1ppm |
| Arsenic (As) | 1ppm Max | <1ppm |
| Mercury (Hg) | 0.1 ppm Max | <0.1 ppm |
| Melting point | 108.0 - 110.0ºC | 108.5ºC |
| Water Content | 0.20% Max | 0.15% |
| DMSO Content | Free | Free |
| Mesh size | 60-80 mesh | 60-80 mesh |
| Assay | 99.90% Min | 99.95% |
| Bulk density | ≥0.65g/ml | 0.68 |
| Total plate count | <1000cfu/g | <10cfu/g |
| Yeast / Mold | <100cfu/g | <10cfu/g |
| Coliform | Negative | Negative |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus | Negative | Negative |