Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Selective Transport of Pb(II) Ion by Acyclic Polyethers Bearing Amide End-Groups

  • Published : 1997.12.20
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Abstract

A series of acyclic polyethers bearing amide end-groups and lipophilic alkyl chains (3-5) were successfully synthesized with quantitative yields. Based upon the transport experiment in a bulk liquid membrane (BLM) system and solvent extraction, a very high selectivity of Pb2+ over other transition metal cations was observed. Measurement of thermodynamic parameters for complexation in methanol at 25 ℃ gave a strong evidence for excellent selective complexation for lead ion over other transition metal ions.

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References

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