供应 D谷氨酰胺
Item
Standard
Analysis data
Appearance
White or off white crystalline powder
White crystal powder
Specific Rotation
(C=4,H2O)
-6.3°-
-7.3°
-6.5°
Chloride(Cl)
Not more than 0.02%
conforms
Heavy metals(Pb)
Not more than 10ppm
conforms
Loss on drying
Not more than 0.30%
0.10%
Residue on ignition (Sulfated)
Not more than 0.20%
0.09%
Assay
98.5% to
101.5%
99.2%