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Chromatographic separation of Am and Cm

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Published/Copyright: January 13, 2011
Radiochimica Acta
From the journal Radiochimica Acta Volume 99 Issue 2

Abstract

This paper describes the development of a radioanalytical procedure to separate Am3+ and Cm3+ that relies on chromatography with the TRU® resin available from Eichrom Technologies, Inc. Although the TRU chromatographic materials are not currently recommended for the separation of the trivalent actinides from each other, our work demonstrates their suitability. We explored parameters such as nitric acid concentration, column length, and flow rate; standard chromatographic parameters such as resolution, theoretical plates, and total separation time are reported for each variable. The advantages of the method described herein include use of a commercially available product and no application of an organic solvent during elution. Optimal resolution between the Am3+ and Cm3+ was achieved with the slowest flow rate.

Keywords: Trivalent actinides; Minor actinides; Extraction chromatography; Chromatographic resolution
* Correspondence address: Washington State University, Department of Chemistry, P.O. Box 644630, Pullman, WA 99164-4630, U.S.A.,
Published Online: 2011-01-13
Published in Print: 2011-02

© by Oldenbourg Wissenschaftsverlag, Pullman, WA 99164-4630, Germany

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https://doi.org/10.1524/ract.2011.1801
Keywords for this article
Trivalent actinides; Minor actinides; Extraction chromatography; Chromatographic resolution

Articles in the same Issue

  1. Chromatographic separation of Am and Cm
  2. Sorption of neptunium(V) on Opalinus Clay under aerobic/anaerobic conditions
  3. An integrated study of uranyl mineral dissolution processes: etch pit formation, effects of cations in solution, and secondary precipitation
  4. Gas chromatography of indium in macroscopic and carrier-free amounts using quartz and gold as stationary phases
  5. On the application of electrochemical techniques for the preparation of 57Co source core, encapsulation and quality evaluation for radiometric assay of nuclear fuel rods
  6. Semi-quantitative and quantitative studies on the gamma radiolysis of C5-BTBP
  7. Determining 241Pu in environmental samples: case studies in alpine soils
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