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Product Specifications
| Product Name:DL-Serine | Factory Standard |
| Assay | 98.5%～101.5% |
| PH | / |
| Specific rotation[a]D20 | -0.05°～+0.05° |
| Specific rotation[a]D25 | / |
| Transmittance(T430) | ≥98.0% |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | / |
| Sulfate(SO4) | / |
| Iron(Fe) | / |
| Heavy metals(Pb) | / |
| Arsenic | / |
| Related substances | / |
| Other amino acids | / |
| Ninhydrin-positive substances | / |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
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