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Product Specifications
| L-Norvaline | Factory Standard |
| Assay | 98.5～101.0% |
| PH | |
| Specific rotation[a]D20 | +23.0°～+25.0° |
| Specific rotation[a]D25 | |
| Transmittance(T430) | |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | |
| Sulfate(SO4) | ≤0.02% |
| Iron(Fe) | |
| Heavy metals(Pb) | ≤10ppm |
| Arsenic | |
| Other amino acids | |
| Ninhydrin-positive substances | |
| Loss on drying | ≤0.50% |
| Residue on ignition | ≤0.10% |
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