Item | Specification |
Appearance | White or light brown powder |
Assay/% | 98.5%min |
Specific Rotation [α]D20ºC | -26.00 - -29.00 |
Loss on drying | 1.0% max |
Residue on ignition | 0.5% max |
Heavy metals (Pb) | 20 ppm max |
As | 2 ppm max |
Shelf life | 3 years |