CAS No.: 56-86-0
Standard: CP,AJI
Specification:
L-Glutamic acid | CP2015 | AJI97 |
Description | White crystals or crystalline powder | White crystals or crystalline powder |
Identification | Conforms | Conform |
Assay | ≥98.5% | 98.5%~100.5% |
pH | --- | 3.0~3.5 |
Transmittance | ≥98.0% | ≥98.0% |
Loss on drying | ≤0.5% | ≤0.10% |
Residue on ignition | ≤0.1% | ≤0.10% |
Chloride | ≤0.02% | ≤0.020% |
Heavy Metals | ≤0.001% | ≤10ppm |
Iron | ≤0.0005% | ≤10ppm |
Sulfate | ≤0.02% | ≤0.020% |
Endotoxin | <20EU/g | --- |
Arsenic | ≤0.0001% | ≤1ppm |
Ammonium | ≤0.02% | ≤0.02% |
Other amino acids | Conforms | Conforms |
Pyrogen | --- | Conforms |
Hydrolyzable substances | --- | --- |
clear and color less | --- | --- |
Specific Rotation | +31.5°~ +32.5° | +31.5°~ +32.4° |