Abstract
The following paper covers a comparison of two new systems to traditional TEVA® resin systems for the analytical separation of actinides by immobilized liquid–liquid extraction using Aliquat-336. The new systems are using expanded polytetrafluroethane (ePTFE) membrane or polyacrylonitrile (PAN) fibers as the solid support. The systems are compared in two ways. First in how much Aliquat-336 they contain with the Vs, ratio of volume of Aliquat-336 to volume of polymeric support, being 0.158, 0.483, and 0.590 for the TEVA® resin, PAN fibers, and the ePTFE systems, respectively. The second comparison is in their performance capacity of extraction of uranyl chloride anion complex. The fiber and resins systems show similar capacities, and the membrane system being an order of magnitude less than the other systems. A cost comparison demonstrates the savings advantages of using a fiber based support compared with resin and membrane support systems.
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Acknowledgment
The authors are grateful to Dr. Matt Kipper of Colorado State University for his assistance in guiding to publication of this work and in continued support of the authors.
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Dauner, J., Workman, S. Comparison of TEVA® resin beads, PAN fibers, and ePTFE membranes as a solid support for Aliquat-336 in immobilized liquid extraction chromatography for separation of actinides. J Radioanal Nucl Chem 292, 967–972 (2012). https://doi.org/10.1007/s10967-012-1676-3
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DOI: https://doi.org/10.1007/s10967-012-1676-3