Specification:
Description: White Crystal or powder
Assay 98.5~101.1%
Optical Rotation: [α]D20 +24°~+26°(C=8 in 6Mol HCL)
Solubility: clear and colorless at 50 mg/ml in H2O
Chloride(Cl) NMT 0.02%
Sulfate(SO4) NMT 0.02%
Ammonium(NH4) NMT 0.02%
Iron(Fe) NMT 10 ppm
PH 5.0~7.0
Heavy Metals NMT 10 ppm
Argenic(As2O3) NMT 1 ppm
Loss on drying: NMT 0.3%
Residue on Ignition: NMT 0.1%
Other Amino Acides: Chromatographically not detectable