Abstract
A chelating ion exchanger has been synthesized in which an o-hydroxypropio-phenoneoxime group is attached chemically to the benzene ring of a divinylbenzene resin. On a short column of such resin, copper(II) is selectively adsorbed from pH 3.5 acetate solution or from pH 5 tartrate solution and can be subsequently eluted sharply by 0.1 M hydrochloric acid. Molybdenum(VI) is sorbed selectively from 0.1 N sulfuric acid solution and is eluted in a narrow band by aqueous sodium hydroxide. Numerous rapid column-chromatographic separations are reported using the resin, including some used in the analysis of NBS standard samples.
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