Complaint
Test Items | Specification |
Assay | ≥98.5% |
Characteristic | White sheet or crystalline powder |
Specific rotation[a]D | +21.0°~ +25.0° |
Identification | The infrared absorption spectrum of the product is consistent with the control map (spectral set 444) |
PH | 5.6~6.1 |
Transmittance | ≥98.0% |
Chloride | ≤0.02% |
Sulfate | ≤0.02% |
Ammonium | ≤0.02% |
Other amino acids | ≤0.5% |
Loss on drying | ≤0.2% |
Residue on ignition | ≤0.1% |
Iron | ≤0.0015% |
Heavy metals(as Pb) | ≤10ppm |
Arsenic | ≤0.0001% |
Bacterial endotoxins | ≤25 EU/g |
