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Microchimica Acta

, Volume 157, Issue 1–2, pp 13–19 | Cite as

Separation and preconcentration of La3+, Ce3+ and Y3+ using calix[4]resorcinarene impregnated on polymeric support

  • Cem Gok
  • Serap Seyhan
  • Melek Merdivan
  • Muruvvet Yurdakoc
Original Paper

Abstract.

A procedure is proposed for separation and preconcentration of lanthanium, cerium and yttrium using octacarboxymethyl-C-methylcalix [4]resorcinarene impregnated onto a polymeric matrix, Amberlite XAD-16. The optimization process was carried out using 23 factorial design and three variables (pH, concentration of metal ion, sorption flow rate) were regarded as factors. For Ce3+ extraction, the variance analysis revealed that pH and concentration of Ce3+ was statistically significant. However, for La3+ and Y3+ pH was significant only. The precision of the method (%RSD) was 2.27 for La3+, 1.97 for Ce3+ and 2.01 for Y3+ at 1 µg mL−1 for ten replicate analyses. The preconcentration factors of La3+, Ce3+ and Y3+ were 125, 83 and 100 respectively. The robustness of this procedure is demonstrated by the recovery achieved for determination of La3+, Ce3+ and Y3+ in the presence of several cations. The procedure was satisfactorily applied to the separation of La3+, Ce3+ and Y3+ from each other and also from common actinides such as UO2 2+ and Th4+ by sequential acidic elution system.

Key words: Lanthanides; yttrium; preconcentration; resorcinarene; impregnation; Amberlite XAD-16. 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Cem Gok
    • 1
  • Serap Seyhan
    • 1
  • Melek Merdivan
    • 1
  • Muruvvet Yurdakoc
    • 1
  1. 1.Chemistry Department, Faculty of Science and ArtsDokuz Eylul UniversityIzmirTurkey

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