The choice of organic reagent in reversed-phase systems for dynamic solid phase extraction of rare earth elements
Keywords:
sorption of REE complexes, acetylacetone, 1-phenyl-3-methyl-4-benzoylpyrazol-5-one, thenoyltrifluoroacetone, pivaloyltrifluoroacetone, hexadecylsilica, hyper cross-linked polystyrene, polyvinylidene difluoride, activated carbon, non-porous carbon.
Abstract
The sorption of various beta-diketones (acetylacetone, 1-phenyl-3-methyl-4-benzoylpyrazol-5-one,
thenoyltrifluoroacetone, pivaloyltrifluoroacetone) – reagents forming stable complexes with rare earth
elements (REE), – was studied on different low-polarity sorbents (hexadecylsilica, hyper cross-linked
polystyrene, polyvinylidene difluoride, activated carbon, non-porous carbon) in dynamic conditions. Reagent
distribution coefficients and dynamic capacity of sorbents for each reagent were evaluated. The elution of
reagents was studied. The comparative evaluation of modified and impregnated sorbents was carried out.
Recommendations on the choice of reagent for dynamic solid phase extraction of rare earth elements in
reserved-phase system were given
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2.Knap M., Kilian K., Pyrzynska K. On-line enrichment system for manganese
determination in water samples using FAAS// Talanta. 2007. V. 71. P. 406-410.
3.Holubova S., Moos M., Sommer L. Simultaneous determination of the metal traces by
ICP-MS in environmental waters using SPE preconcentration on different polymeric
sorbents// Chemical Papers. 2012. V. 10. P. 899–906.
4.Camel V. Solid phase extraction of trace elements// Spectrochimica Acta Part B. 2003.
V. 58. P. 1177-1233.
5.Jin J., Jiang Z. Determination of trace rare earth elements in environmental samples by
low temperature electrothermal vaporization inductively coupled plasma mass
spectrometry after synergistic extraction with dimethylheptyl methyl phosphate and 1-
phenyl-3-methyl-4-benzoyl-pyrazolone-5 // Analytica Chimica Acta. 2007. V. 594.
P. 61-68.
6.Woo C., Wagner W.F., Sands D.E. Synergistic solvent extraction of rare earths by
mixture of thenoyltrifluoroacetone and acetylacetone// J. Inorg. Nucl. Chem. 1971. V. 36.
P. 899-903.
7.Alstad J., Augustson J.H., Farbu K. Solvent extraction of rare earth metal ions with
thenoyltrifluoroacetone in carbon tetrachloride// J. Inorg. Nucl. Chem. 1974. V. 33.
P. 2661-2666.
8.Bahramifar N., Yamini Y. On-line preconcentration of some rare earth elements in
seawater samples using C18-cartrige modified with 1-(2-pyridylazo) 2-naphtol (PAN) prior
to simultaneous determination by inductively coupled plasma optical emission
spectrometry (ICP-OES) // Analytica Chimica Acta. 2005. V 540. P. 325-332.
9.Benkhedda K., Dimitrova B., Infante H.G. et al. Simultaneous on-line preconcentration
and determination of Pt, Rh and Pd in urine, serum and road dust by flow-injection
combined with inductively coupled plasma time-of-flight mass spectrometry // J. Anal. At.
Spectrom. 2003. V 18. P. 1019–1025.
10. Soylak M., Elci L., Akkaya Y. et al. On-line preconcentration system for
determination of lead in water and sediment samples by flow injection-flame atomic
absorption spectrometry // Analytical Letters. 2002. V. 35 (3). P. 487–499.
11. Madrakian T., Afkhami A., Esmaeili A. Spectrophotometric determination of
bismuth in water samples after preconcentration of its thiourea-bromide ternary complex
on activated carbon// Talanta. 2003. V 60. P. 831–838.
12. Modeling for Preparative Chromatography. G. Guiochon, B. Lin. Academic Press,
2003. P. 85. 342 p.
Published
2019-11-18
How to Cite
Arkhipova, A. A., Statkus, M. A., Tikhomirova, T. I., & Tsysin, G. I. (2019). The choice of organic reagent in reversed-phase systems for dynamic solid phase extraction of rare earth elements. Sorbtsionnye I Khromatograficheskie Protsessy, 14(2). Retrieved from https://journals.vsu.ru/sorpchrom/article/view/1463
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