Abstract
New polymer inclusion membranes (PIMs) containing 18-membered crownethers and dialkylnaphthalenesulfonic acid are proposed for Sr2+ and Pb2+removal from nitric acid solutions. The influence of source phasecomposition and stripping agents was characterized and permeabilitycoefficients were calculated. The PIMs are easy to prepare and may be usefulin separation and concentration procedures for these cations from complexmixtures such as nuclear waste. Long-term stability was obtained for atleast several weeks of constant use during which no significant change ofpermeability was observed.
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Lamb, J.D., Nazarenko, A.Y.: Sep. Sci. Technol., in press
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Nazarenko, A.Y., Lamb, J.D. Selective Transport of Lead(II) and Strontium(II) Through a Crown Ether-Based Polymer Inclusion Membrane Containing Dialkylnaphthalenesulfonic Acid. Journal of Inclusion Phenomena 29, 247–258 (1997). https://doi.org/10.1023/A:1007907612714
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DOI: https://doi.org/10.1023/A:1007907612714