Items

Specification

Appearance:

White crystals or crystalline powder.

Assay:

98.5- 101.5%

Specific rotation:

-33.2 to -35.2

Loss on drying:

Not more than 0.20%

Residue on ignition:

Not more than 0.1%

Heavy metals (Pb):

Not more than 20ppm

Arsenic:

Not more than 1.5ppm

pH value:

5.4-6.0