D-Glutamic acid

Item
Standard

Appearance
White powder

Specific rotation[α]20/D

(C=10 in 2N HCl)
-31.0 to -32.2 Degree

State of solution

(Transmittance)
Not less than 95.0%

Chloride (Cl)
Not more than 0.10%

Heavy metal(Pb)
Not more than 10ppm

Arsenic(As2O3)
Not more than 2ppm

Loss on drying
Not more than 0.20%

Residue on ignition(sulfated)
Not more than 0.20%

Assay
98.0 to101.0%