L-Glutamic Acid

L-Glutamic Acid	CP2020	EP11	USP2023
Assay	≥98.5%	98.5-100.5%	98.5-101.5%
PH	/	/	/
Specific rotation[a]D²⁰	+31.5°-+32.5°	+30.5°-+32.5°	+31.5°-+32.5°
Specific rotation[a]D²⁵	/	/	/
Transmittance(T430)	≥98.0%	/	/
Appearance of solution	/	clear colorless	/
Chloride(Cl)	≤0.02%	≤0.02%	≤0.02%
Ammonium(NH4)	≤0.02%	≤0.02%	/
Sulfate(SO4)	≤0.02%	≤0.03%	≤0.02%
Iron(Fe)	≤5PPM	≤10PPM	≤10PPM
Heavy metals(Pb)	≤10PPM	/	/
Arsenic	≤1PPM	/	/
Other amino acids	≤0.50%	/	individual impurities≤0.5% total impurities≤2.0%
Ninhydrin-positive substances	/	conform	/
Loss on drying	≤0.50%	≤0.50%	≤0.10%
Residue on ignition	≤0.10%	≤0.10%	≤0.10%
Endotoxin	conform	conform	conform
Total plate count	≤ 500 CFU/g	≤ 500 CFU/g	≤ 500 CFU/g
Moulds Yeasts	≤ 50 CFU/g	≤ 50 CFU/g	≤ 50 CFU/g