Solid phase extraction of ions using molecular recognition technology

Abstract
Solid phase extraction (SPE) materials are described that are capable of highly selective separations of trace levels of cations and anions from aqueous solutions. The extraction kinetics are rapid, either small or large volumes of solution can be treated, and large volume reductions can be. achieved. By varying the SPE system, the separations are effective even in the presence of large concentrations of acid, base, or salt. A review is given of the application of SPE technology to a variety of industrial and analytical separations.

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