Specific rotation[a]D20°

+20.7°~+21.4°

State of solution

Clear and colorless

(Tranamittance)

≥98.0%

Chloride(Cl)

19.12 to 19.51%

Ammonium(NH4)????????????????????

≤0.02%

Sulfate(SO4)????????????????????????????

≤0.020%

Iron(Fe)?????????????????????????????

≤10PPm

Heavy metals(Pb)?????????? ????????

≤10PPm

Arsenic(As2O3)?????????????????????

≤1PPm

Other amio acids

Chromatographically not detectable

Loss on drying??????????????????????

≤0.40%

Residue on ignition (Sulfated)???????????????????????????

≤0.10%

Assay??????????????????????????????????

99.0～100.5%