Item

Standard

Analysis data

Appearance

White crystalline powder

Conforms

Specific rotation[α]20/D

(C=8 6N HCL )

+16.0 to ~18.5 Degree

+16.8°

Transmittance

Not less than 95%

98.0%

Chloride (Cl)

Not more than 0.020%

0.018%

Ammonium (NH4)

Not more than 0.02%

<0.02%

Sulfate (SO4)

Not more than 0.020%

0.01%

Iron (Fe)

Not more than 10ppm

7ppm

Heavy metal(Pb)

Not more than 10ppm

7ppm

Other Amino Acids

Chromatographically

Not detectable

Conforms

Loss on drying

Not more than 2.0%

0.8%

Residue on ignition(sulfated)

Not more than 0.10%

0.08%

Assay

98.5%~101.5%

99.0%

Remark

Easy moisture-absorbed; store in dry、dark、cool place.