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°  |