China Amino Acid L-Hydroxyproline 99% Purity, Find details about China Amino Acid, Pharmaceutical Intermediate from Amino Acid L-Hydroxyproline 99% Purity
| Analytical Items | Standard |
| Appearance | White crystals or crystalline powder |
| Identification | Confirms to the IR Spectrum stanard |
| Specific rotation | -74.0°~-77.0° |
| pH | 5.0~6.5 |
| Transmittance | ≥95.0% |
| Loss on drying | ≤0.20% |
| Residue on ignition | ≤0.10% |
| Chloride | ≤0.02% |
| Sulfate | ≤0.02% |
| Ammonium | ≤0.02% |
| Iron | ≤10PPm |
| Heavy metals | ≤10PPm |
| Arsenic | ≤1PPm |
| Other amino acids | Confirms to the standard |
| Assay | 98.5%~101.0% |