NILE CHEMICALS
SODIUM FLUORIDE |
|
NaF M.W. 41.99 | |
Minimum assay ( precipitation titration ) | 98.5% |
Maximum Limits of Impurities : | |
Substances insoluble in water | 0.1% |
Free alkali ( as NaOH ) | 0.1% |
Free acid ( as HF ) | 0.2% |
Chloride ( CI ) | 0.01% |
Hexafluorosilicate ( SiF6 ) | 0.2% |
Sulphate ( SO4 ) | 0.02% |
Heavy metals ( as Pb ) | 0.002% |
Iron ( Fe ) | 0.005% |
Loss on drying ( 105OC ) | 0.5% |