Item

Standard

Analysis data

State of solution
(Transmittance)

Clear and colorless
Not less than 95.0%

Conforms
99.3%

Chloride (Cl)

Not more than 0.020%

<0.020%

Ammonium (NH4)

Not more than 0.02%

<0.020%

Sulfate (SO4)

Not more than 0.020%

<0.020%

Iron (Fe)

Not more than 30ppm

<30ppm

Heavy metal(Pb)

Not more than 10ppm

<10ppm

Arsenic(As2O3)

Not more than 1ppm

<1ppm

Other amino acids

Chromatographically
Not detectable

Conforms

Loss on drying

Not more than 0.20%

0.18%

Residue on ignition(sulfated)

Not more than 0.15%

0.08%

Assay

98.5 to100.5%

99.74%

Conclusion

The product is according with standard.