Application of Cation Exchange for the Separation of Metals in Mixed Solvent Media

Abstract

The use of ethanol and methanol separately in admixture with hydrochloric acid for the selective elution of cations on the ionexchange
resin Dowex 50 x 8-200 H+ form is investigated. The distribution co-efficient of metal ions were measured in ethanolwater-
hydrochloric acid and methanol-water-hydrochloric acid mixtures. By applying distribution co-efficient data the metals from the
mixtures have been separated one after another with different compositions of ethanol-water-hydrochloric acid and methanol-water -
hydrochloric acid solutions. The average recovery for all separations was within 97%-99% and the standard deviation for all data was
 2.5%. The developed analytical methodology can be applied for the separation and quantification of metal ions from natural water.