Item

Standard

Analysis data

Appearance

White  powder

Conforms

Specific rotation[α]20/D

+27.0 ±1

+26.6°

Arsenic(As2O3)

Not more than 1ppm

Conforms

Chloride (Cl)

Not more than 0.03%

0.018%

Loss on drying

Not more than 7.0%

2.0%

Residue on ignition(sulfated)

Not more than 0.1%

0.07%

Assay

98.0% to 102.0%

99.0%

pH

5.5 to 7.0

6.3

Inspector:

陈君   胡月

Manager:

彭秀明

Conclusion

The product according with the specifications