ITEMS | STANDARD |
Appearance | White crystals or crystaler |
Assay | 99.0% min |
Specific Rotation | -1.6 o â -2.6 o |
Residue on ignition | 0.05% max |
Chloride | 0.004% max |
Sulte | 0.02% max |
State of solution | clarification |
Readily oxidizable substance | Qualified |
Fumaric Acid | 1.0% max |
Maleic Acid | 0.05% max |
Heavy metals(as Pb) | 20 ppm max |
Arsenic(As) | 2 ppm max |