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Title: Extraction of lutetium (III) from aqueous solutions by employing a single fibre supported liquid membrane
Authors: Trtic-Petrovic, Tatjana M.
Kumric, Ksenija R.
Dorđevic, Jelena S.
Vladisavljevic, Goran T.
Keywords: Di (2-ethylhexyl) phosphoric acid
Lu (III)
Radiopharmaceutical
Supported liquid membrane extraction
Issue Date: 2010
Publisher: © Wiley
Citation: TRTIC-PETROVIC, T. ... et al, 2010. Extraction of lutetium (III) from aqueous solutions by employing a single fibre supported liquid membrane. Journal of Separation Science, 33, (13), pp. 2002-2009.
Abstract: Transport behaviour of Lu(III) across a polypropylene hollow fibre-supported liquid membrane containing di(2-ethylhexyl)phosphoric acid (DEHPA) in dihexyl ether as a carrier has been studied. The donor phase was LuCl3 in the buffer solution consisting of 0.2 M sodium acetate at pH 2.5–5.0. A miniaturised system with a single hollow fibre has been operated in a batch mode. The concentration of Lu(III) was determined by indirect voltammetric method using Zn–EDTA complex. The effect of pH and volume of the donor phase, DEHPA concentration in the organic (liquid membrane) phase, the time of extraction and the content of the acceptor phase on the Lu(III) extraction and stripping behaviour was investigated. The results were discussed in terms of the pertraction and removal efficiency, the memory effect and the mean flux of Lu(III). The optimal conditions for the removal of 177Lu(III) from labelled 177Lu-radiopharmaceuticals were discussed and identified. The removal efficiency of Lu(III) greater than 99% was achieved at pH of the donor phase between 3.5 and 5.0 using DEHPA concentration in the organic phase of 0.47 M and the ratio of the donor to the acceptor phase of 182.
Description: This is the pre-peer reviewed version of the following article: TRTIC-PETROVIC, T. ... et al, 2010. Extraction of lutetium (III) from aqueous solutions by employing a single fibre supported liquid membrane. Journal of Separation Science, 33, (13), 2002-2009. Which has been published in final form at; http://onlinelibrary.wiley.com/doi/10.1002/jssc.201000042/abstract
Version: Submitted for publication
DOI: 10.1002/jssc.201000042
URI: https://dspace.lboro.ac.uk/2134/6637
Publisher Link: http://dx.doi.org/10.1002/jssc.201000042
ISSN: 1615-9306
Appears in Collections:Published Articles (Chemical Engineering)

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