Item | Standard | Result |
Characters | white powder | Complies |
Assay | 99.9%min | 99.95% |
Water solubility | clear | clear |
Melting point | 132-135deg.C | 132.9-134.1deg.C |
Residue on ignition | 0.02% max | 0.018% |
Chloride | 0.001% max | Pass test |
Sulphate | 0.005% max | Pass test |
Heavy Metal | 5.0ppm max | Pass test |