Investigations on the effect of aqueous acetone medium on separation of metal ions on Chelex 100 ion-exchanger.
The use of glycine as a complexing agent in acetone-water medium for the separation of metal ions with Chelex 100 chelating resin has been investigated. The affinity of metal ions for Chelex 100 in the presence of glycine in acetone-water and aqueous medium was determined as a function of acidity and it was established that the presence of acetone is an essential factor in production of differentiation in the selectivity and for consequent separation of a number of mixtures of metal ions [Cu(II)Co(II); Cu(II)Al(III)Pb(II); Cu(II)Ni(II)Co(II); Cu(II)Ni(II)Pb(II)]. The mechanism of the effect of acetone is discussed.
Brajter
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K
Department of Chemistry, Warsaw University, Warsaw Poland.
Miazek
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