State of solution
(Transmittance) Not less than 95.0%
Chloride (Cl) Not more than0.10%
Heavy metal(Pb) Not more than 10ppm
Arsenic(As2O3) Not more than 2ppm
Other amino acids Chromatographically
not detectable
Loss on drying Not more than 0.20%
Residue on ignition(sulfated) Not more than 0.20%
Assay 98.0 to101.0%