Item Standard

State of solution

(Transmittance) Clear

and colorless Not

less than 95.0% Chloride

(Cl) Not

more than 0.020% Ammonium

(NH4) Not

more than 0.02% Iron (Fe)

Not more than 30ppm

Heavy metal(Pb)

Not more than 10ppm

Arsenic(As2O3) Not

more than 1ppm Other

amino acids Chromatographically

Not detectable

Loss on drying

Not more than 0.20%

Residue on ignition(sulfated) Not

more than 0.15% Assay

98.5 to100.5%