L-Aspartic Acid is used as medicine of cardiopulmonary, hepatic function accelerator, eliminating fatigue agent.
L-Aspartic Acid
Item | Standard | Result |
Appearance | White crystals or crystalline powder | Conforms |
Specific rotation | +24.8~+25.8° | +25.3° |
State of solution (Transmittance) | ≥98.0% | 99.2% |
Chloride (CL) | ≤0.020% | 0.020% |
Ammonium (NH4) | ≤0.020% | 0.020% |
Sulfate (SO4) | ≤0.020% | 0.020% |
Iron (Fe) | ≤10ppm | 10ppm |
Heavy metals (Pb) | ≤10ppm | 10ppm |
Arsenic (As2O3) | ≤1ppm | 1ppm |
Other Amino Acids | Conforms | Conforms |
Loss on drying | ≤0.20% | 0.16% |
Residue on ignition (Sulfated) | ≤0.10% | 0.07% |
Assay | 99.0~100.5% | 99.5% |
PH | 2.5~3.5 | 3.1 |
L-Aspartic Acid
