NILE CHEMICALS

TUNGSTEN  (IV) OXIDE 

SPECIFICATION
( Tungsten trioxide )  
WO3     M.W.   231.85  
Maximum Limits of Impurities :  
Chloride (Cl) 0.05%
Sulphate ( SO4 ) 0.01%
Lead ( Pb ) 0.001%
Calcium ( Ca ) 0.03%
Iron ( Fe ) 0.002%
Loss on ignition ( 700OC ) 1%

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