Ácido L-glutámico

Description

White crystals or crystalline powder

Identification(IR)

concordant with the reference  spectrum

assay

98.5~100.5%

PH

3.0~3.5

Specific rotation[a]D20

+31.5°~+32.4°

State of solution

(Transmittance T430)

clear & colorless

≥98.0%

Chloride(Cl)

≤0.02%

Ammonium(NH4)

≤0.02%

Sulfate(SO4)

≤0.02%

Iron(Fe)

≤10ppm

Heavy metals(Pb)

≤10ppm

Arsenic(As)

≤1ppm(As2O3)

Other amino acids

conforms

Loss on drying

≤0.10%

Residue on ignition

≤0.10%

Conclusion

Passed test according to the Standard of AJI92.