L-Serine | 56-45-1
Product Specification:
| Item | Specification (AJI97) |
| Appearance | White crystalline powder |
| Assay, % (on dry matter) | 99.0~101.0 |
| Specific optical rotation | +14.4o~+15.5o |
| Transmittance,% | ≥98.0 |
| pH value | 5.2~6.2 |
| Loss on drying, % | ≤0.2 |
| Heavy metals, % | ≤0.001 |
| Residue on ignition, % | ≤0.1 |
| Chloride,% | ≤0.02 |
| Sulfate,% | ≤0.02 |
| Iron, % | ≤0.001 |
| Arsenic, % | ≤0.0001 |
| Ammonium (as NH+4), % | ≤0.02 |
| Other amino acids | Not detd. |


