Item

Standard

Analysis data

Appearance

Off-white or white powder

conforms

Specific rotation[α]20/D

-8.0° to -11.0 °

-9°

Solubility

Soluble in water

conforms

Identification

IR

conforms

Loss on drying

Not more than 0.50%

0.11%

Residue on ignition(sulfated)

Not more than 0.50%

0.10%

Assay

98.0 to102.0%

99.5%

Inspector:

陈君    王明芳

Manager:

彭秀明

Conclusion

The product is according with standard.