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Product Specifications
| L-Hydroxyproline | AJI92 |
| Assay | 98.5～101.0% |
| PH | 5.0～6.5 |
| Specific rotation[a]D20 | -74.0°～-77.0° |
| Specific rotation[a]D25 | / |
| Transmittance(T430) | ≥95% |
| Chloride(Cl) | ≤0.02% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(SO4) | ≤0.02% |
| Iron(Fe) | ≤10ppm |
| Heavy metals(Pb) | ≤10ppm |
| Arsenic | ≤1ppm |
| Other amino acids | / |
| Ninhydrin-positive substances | / |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
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