| Items | Specifications |
| Appearance | White crystals or crystalline powder |
| Identification | Conforms |
| State Of Solution | ≥98.0% |
| Specific Rotation | +24.8° ~ +25.8° |
| pH | 2.5 ~ 3.5 |
| Chloride(CL) | ≤0.020% |
| Sulfate(SO4) | ≤0.020% |
| Ammonium(NH4) | ≤0.02% |
| Heavy Metals(Pb) | ≤10ppm |
| Iron(Fe) | ≤10ppm |
| Arsenic(As2O3) | ≤1ppm |
| Other Amino Acids | Conforms |
| Loss On Drying | ≤0.20% |
| Residue On Ignition | ≤0.10% |
| Assay | 99~100.5% |
