Item

Standard

Analysis data

Appearance

White powder

conforms

Specific rotation[α]20/D
(C=2 in water)

+64±3 °

+64.6 °

Transmittance

Not less than 95.0%

96.8%

Melting Point

123-129 ℃

124.5 ℃ 

Arsenic(As2O3)

Not more than 2ppm

conforms

Loss on drying

Not more than 0.50%

0.36%

Residue on ignition

Not more than 0.30%

0.21%

Assay

98.0to102.0%

99.1%

Inspector:

陈小梅   彭秀明

   Manager:

陈书娟

Conclusion

The product is according with standard.