Abstract
Gold(III) is strongly retained on DEAE-cellulose columns from acetic acid-hydrochloric acid mixtures. The distribution coefficients of gold(III) on DEAE-cellulose are given as functions of both acetic acid and hydrochloric acid concentrations. The adsorption becomes enhanced to a great extent in the mixed acid media as compared with those in aqueous hydrochloric acid media, reaching a distribution coefficient of 500 in acetic acid−0.5 M hydrochloric acid (9:1). The ion-exchange system allows separation of gold(III) from large quantities of many other metals on a short column. Results of the separation and determination of gold in an anode slime consisting of a complicated matrix are included.
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