NILE CHEMICALS

AMMONIUM  IODIDE

SPECIFICATION

NH4I     M.W.  144.94  
Minimum assay 99.5%
pH  ( 5%  solution ) 4.5 - 6.5
Max. Limits of Impurities :  
Chloride and bromide ( as Cl ) 0.005%
Sulphate ( SO4 ) 0.002%
Iodate ( IO3 ) 0.0005%
Phosphate ( PO4 ) 0.001%
Silicate ( SiO2 ) 0.0005%
Lead ( Pb ) 0.0001%
Copper ( Cu ) 0.0001%
Iron ( Fe ) 0.0002%
Calcium ( Ca ) 0.001%
Barium ( Ba ) 0.002%
Loss on drying  ( 105OC ) 0.05%
Residue on ignition 0.02%
   

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