詳細(xì)說(shuō)明Appearance White crystalline powder
Specific rotation[α]20/D
(C=8 6N HCl) +28.0 to ~30.0Degree
Transmittance Not less than 98.0%
Chloride (Cl) Not more than 0.020%
Ammonium (NH4) Not more than 0.02%
Sulfate (SO4) Not more than 0.030%
Iron (Fe) Not more than 10ppm
Heavy metal(Pb) Not more than 10ppm
Arsenic(As2O3) Not more than 1ppm
Other Amino Acids Chromatographically
Not detectable
Water Not more than 5.0%
Residue on ignition(sulfated) Not more than 0.20%
Assay 98.5%~101.0%
PH 6.0 to 7.5