Item

Standard

Analysis data

Appearance

White powder

conforms

Specific rotation[α]20/D

+23.0 to +27.0 Degree

+25.1º

State of solution
(Transmittance)

Clear and colorless not less than 95.0%

96.0%

Chloride (Cl)

Not more than 0.10%

0.04%

Ammonium (NH4)

Not more than 0.10%

0.10%

Heavy metal(Pb)

Not more than 20ppm

<20ppm

Arsenic(As2O3)

Not more than 1ppm

<1ppm

Other Amino Acids

Chromatographically
Not detectable

conforms

Loss on drying

Not more than 5.0%

4.11%

Residue on ignition(sulfated)

Not more than 0.20%

0.15%

Assay

98.5% to 101.0%

99.0%

Inspector:

陈君  张洪芳

Manager:

李玲惠

Conclusion

The product is according with standard.