Item

Standard

Analysis data

Appearance

White crystals or crystalline powder

conforms

Specific Rotation [25/D]

-10.5º to -13.5º

-11.2º

Melting Point (ºC)

193.0-198.0 ºC

193ºC

Sulfate (SO4)

Not more than 0.02%

<0.02%

Heavy Metal(Pb)

Not more than 0.001%

<0.001%

Loss on drying

Not more than 1.0%

0.30%

Residue on ignition(sulfated)

Not more than 0.1%

0.09%

Assay(Dried substance)

Not less than 97.0%

99.0%

Conclusion

The product is according with standard.