Abstract
Abstract The synthesis of a monoarylphosphinic acid-diarylphosphine oxide extractant system supported on macroporous polystyrene beads is reported. The bifunctional resin was used in separate zinc and copper(I1) ion extraction studies. Results wth both metals show an excellent extent of extraction under low loading conditions and solution pH of 1–2; at equivalent meta1:resin concentrations, the resin absorbs 50% of the metalin solution. Comparison with lower absorption values reported in the literature for similar systems suggests the possibility of a synergisticextraction due to cooperation between the acid and oxide moieties.
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