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Journal of Radioanalytical and Nuclear Chemistry

, Volume 289, Issue 2, pp 461–466 | Cite as

Sequential determination of actinide isotopes and radiostrontium in swipe samples

  • Xiongxin Dai
  • Sheila Kramer-Tremblay
Article

Abstract

Assays of alpha- and beta-emitting radionuclides in swipe samples are often required to monitor the presence of removable surface contamination for radiological protection and control in nuclear facilities. Swipe analysis has also proven to be a very sensitive analytical technique to detect nuclear signatures for safeguard verification purposes. A new sequential method for the determination of actinide isotopes and radiostrontium in swipe samples, which utilizes a streamlined column separation with stacked anion and extraction chromatography resins, has been developed. To validate the separation procedure, spike and blank samples were prepared and analyzed by inductively coupled mass spectrometry (ICP-MS), alpha spectrometry and liquid scintillation (LS) counting. Low detection limits have been achieved for isotopic analysis of Pu (238Pu, 239Pu, 240Pu, 241Pu), U (234U, 235U, 238U), Am (241Am), Cm (242Cm, 243/244Cm) and Sr (90Sr) at ultra-trace concentration levels in swipe samples.

Keywords

Actinide Strontium Swipe ICP-MS Alpha spectrometry Liquid scintillation counting 

Notes

Acknowledgments

This work was supported by the Atomic Energy of Canada Limited (AECL) Nuclear Platform funding. The authors would like to thank Youqing Shi, Roxanne Collins, Michael Ryan and Claire Simister, from the AECL Analytical Chemistry Branch for their assistances on the sample analyses.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  1. 1.Chalk River LaboratoriesAtomic Energy of Canada LimitedChalk RiverCanada

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