Specifications
l-glutamic acidCAS No. : 56-86-0
FEMA No.: 3285
EC No.: 200-293-7
l-glutamic acid
DETAILED DELIVERY SPECIFICATIONS
Specific rotation[]20D: +31.5 ~ +32.5
State of solution(transmittance): Clear and colorless 98.0% min.
Chloride[cl]: 0.020% max.
Ammonium [NH4]: 0.02% max.
Sulfate[SO4]: 0.020% max.
Iron[Fe]: 10ppm max.
Heavy metals [Pb]: 10ppm max.
Arsenic[As2O3]: 1ppm max.
Other amino acids: Conforms
Loss on drying: 0.10% max.
Residue on ignition[sulfated]: 0.10% max.
Assay: 98.5% min.
PH: 3.0 ~ 3.5