Cd(II) extraction in PEG-based two-phase aqueous systems in the presence of iodide ions. Analysis of PEG-rich solid phases

Central European Journal of Chemistry

Volumn 5, Issue 1, 2007, Pages 291-302

  Bulgariu, Laura ^a   Bulgariu, Dumitru ^b   Sârghie, Ioan ^a   Măluṭan, Theodor ^a  

^a GHEORGHE ASACHI TECHNICAL UNIVERSITY OF IASI   (Romania)

^b ALEXANDRU IOAN CUZA UNIVERSITY OF IASI   (Romania)

Author keywords

Aqueous two phase system; Cd(II) extraction; Iodide ions; IR spectrometry; Optical microscopy; PEG extraction; Solidified PEG rich phases

Indexed keywords

EID: 33846706461     PISSN: 18951066     EISSN: 16443624     Source Type: Journal    
DOI: 10.2478/s11532-006-0048-7     Document Type: Article

References (17)

1. A.E. Visser, S.T. Griffin, C.C. Ingenito, D.H. Hartman, J.G. Huddleston and R.D. Rogers: "Aqueous biphasic systems as a novel environmentally benign separation technology for metal ion removal", Metal Sep. Technol. Beyond, (2000), pp. 119-130.
2. R.D. Rogers, A.H. Bond and C.B. Bauer: "Metal Ion Separation in Aqueous Polyethylene Glycol-Based Aqueous Biphasic Systems", Sep. Sci. Technol., Vol. 28(5), (1993), pp. 1091-1126.
3. J.G. Huddleston, H.D. Willauer, S.T. Griffin and R.D. Rogers: "Aqueous Polymeric Solutions as Environmentally Benign Liquid/ Liquid Extraction Media", Ind. Eng. Chem. Res., Vol. 38, (1999), pp. 2523-2539.
4. R.D. Rogers, A. H. Bond, C.B. Bauer, J. Zhang and S.T. Griffin: "Metal ion separation in polyethylene glycol-based aqueous biphasic systems: Correlation of partition behaviour with available thermodynamic hydration data", J. Chromatogr. B, Vol. 680, (1996), pp. 221-229.
5. M. Shibukawa, N. Nakayama, T. Hayashi, D. Shibuya, Y. Endo and S. Kawamura: "Extraction behaviour of metal ions in aqueous polyethylene glycol - sodium sulphate systems in presence of iodide and thiocyanate ions", Anal. Chim. Acta, Vol. 427, (2001), pp. 293-300.
6. T.A. Graber, B.A. Andrews and J.A. Asenjo: "Model for the partition of metal ions in an aqueous two-phase system", J. Chromatogr. B, Vol. 743, (2000), pp. 57-64.
7. R.D. Rogers, A.H. Bond and C.B. Bauer: "Polyethylene glycol-based aqueous biphasic system for liquid/liquid extraction of environmentally toxic heavy metal", Solv. Extr. in Proc. Ind., Vol. 3, (1993), pp. 1641-1648.
8. R.D. Rogers, S.T. Griffin: "Partitioning of mercury in aqueous biphasic systems and on ABEC ™ resins", J. Chromatogr. B, Vol. 711, (1998), pp. 277-283.
9. L. Bulgariu and D. Bulgariu: "Hg(II) extraction in a PEG-based aqueous two-phase system in the presence of halide ions. I. Liquid phase analysis", Central Europ. J. Chem., Vol. 4(2), (2006), pp. 246-257.
10. I. Sarghie: Metode de separare in chimia analitica, Gh. Asachi, Iasi, 2001.
11. N. Perescu: Chimia extractiei cu solventi si aplicatii, Academiei R.S.R, Bucharest, 1985.
12. E. Jercan: Metode de separare in chimia analitica, Tehnica, Bucharest, 1983.
13. L. Bulgariu and I. Sarghie: "The Cd(II) extraction in polyethylene glycol-based aqueous two-phase systems in presence of iodide ions. I. The preliminary results", Anal. St. Univ "Al. I. Cuza", Vol. XIII, (2005), pp. 27-34.
14. J.A. Dean: Analytical Chemistry Handbook, McGrow-Hill Inc., New York, 1995.
15. H. Kitano, K. Ichikawa, M. Ide, M. Fukada and W. Mizuno: "Fourier Transform Infrared Study of the State of Water Molecules Sorbed to Poly(ethylene glycol) Films", Langmuir, Vol. 17, (2001), pp. 1889-1895.
16. H. Cabezas Jr.: "Theory of phase formation in aqueous two-phase systems", J. Chromatogr. B, Vol. 680, (1996), pp. 3-30.
17. K.P. Ananthapadmanabhan and E.D. Goddar: "Aqueous Biphasic Formation in Polethylene Oxide - Inorganic Salt Systems", Langmuir, Vol. 3, (1987), pp. 25-31.