Ferric ion extraction

From other experiments in which the effects of mass transfer have been analyzed, it appears that the following systems are mass transfer limited uranyl nitrate extraction by TBP, copper extraction by sodium-loaded DEHPA.19 and extraction of zinc and copperfll) chlorides by TIOA.20 Zinc extraction by dithizone in carbon tetrachloride is mass transfer limited at high zinc concentrations but kineticaily controlled at low zinc levels.21 Ferric ion extractions are repoted to be slow because of its sluggish llgand-excbenge kinetics.22 Extraction of ferric chloride by TIOA, for example, is controlled by a slow heterogeneous reaction.21... 

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See also in sourсe #XX -- [ ]

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