双甘氨肽

Item Standard Analysis data State of solution (Transmittance) Clear and colorless Not less than 95.0% Conforms 98.2% Chloride (Cl) Not more than 0.020% 0.01% Ammonium (NH4) Not more than 0.02% <0.02% Sulfate (SO4) Not more than 0.020% 0.005% Iron (Fe) Not more than 30ppm 8ppm Heavy metal(Pb) Not more than 10ppm 9ppm Arsenic(As2O3) Not more than 1ppm <1ppm Other amino acids Chromatographically Not detectable Conforms Loss on drying Not more than 0.20% 0.13% Residue on ignition(sulfated) Not more than 0.15% 0.11% Assay 98.5 to100.5% 99.0%