Items

Spec.

Appearance:

White crystalline powder 

Transmittance:

Not less than 95.0%

Chloride (Cl):

Not more than 0.02%

Sulfate (SO4):

Not more than 0.02%

Iron (Fe):

Not more than 0.003%

Heavy Metals (Pb):

Not more than 0.001%

Arsenic (As2O3):

Not more than 0.0001%

Loss in Drying:

Not more than 0.2%

Residue on Ignition (sulfate ash):

Not more than 0.1%

Other Amino Acid:

Not detected by TLC 

Assay (on dried basis):

98.0% to 100.5%