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Feed grade DL-Methionine 99% is an essential amino acid used widely in animal nutrition to maximize production performance.
| ITEMS | STANDARD | TEST RESULT |
|---|---|---|
| Appearance | White crystals or crystalline powder | Conforms |
| Assay | 99.0% ~ 101.0% | 99.90% |
| Specific optical rotation | +22.4°~ +24.8° | +23.7° |
| pH value | 5.6~6.1 | 6.0 |
| Loss on drying | ≤ 0.3% | 0.13% |
| Heavy metals(Pb) | ≤15ppm | 5 ppm |
| Residue on ignition | ≤0.40% | 0.03% |
| Chloride (as CL) | ≤0.05% | 0.01% |
| Sulfate (SO4) | ≤0.03% | 0.005% |
| Iron (as Fe) | ≤30ppm | 7ppm |
| Identification | Infrared absorption | Conforms |
Herbpro Biotech