Items

Standard

Analysis data

Appearance

White to off-white crystalline powder

conforms

Transmittance

Not less than 98.0%

98.5%

Chloride(Cl)

Not more than 0.02%

conforms

Heavy Metals (Pb)

Not more than 10PPM

conforms

Arsenic(As₂O₃)

Not more than 2PPM

conforms

Other amino acids

Chromatographically

Not detectable

conforms

Loss on Drying

Not more than 0.20%

0.15%

Residue on Ignition (Sulfated)

Not more than 0.10%

0.08%

Assay

98.0 to 101.0%

99%

PH

5.0 to 6.5

6.0