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Title of Journal: J Radioanal Nucl Chem

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Abbravation: Journal of Radioanalytical and Nuclear Chemistry

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Springer Netherlands

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Solid phase microextraction sampling of high explosive residues in the presence of radionuclides and radionuclide surrogate metals

Authors: M. C. Duff, S. L. Crump, R. J. Ray, W. E. Cotham, S. LaMont, D. Beals, K. Mount, R. D. Koons, J. Leggitt,

Publish Date: 2007/10/13
Volume: 275, Issue:3, Pages: 579-593
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The Federal Bureau of Investigation (FBI) Laboratory currently does not have on site facilities for handling radioactive evidentiary materials and there are no established FBI methods or procedures for decontaminating high explosive (HE) evidence while maintaining evidentiary value. One experimental method for the isolation of HE residue involves using solid phase microextraction (SPME) fibers to remove residue of interest. Due to their high affinity for organics, SPME fibers should have little affinity for most metals. However, no studies have measured the affinity of radionuclides for SPME fibers. The focus of this research was to examine the affinity of dissolved radionuclide (239/240Pu, 238U, 237Np, 85Sr, 133Ba, 137Cs, 60Co and 226Ra) and stable radionuclide surrogate metals (Sr, Co, Ir, Re, Ni, Ba, Cs, Nb, Ru, and Nd) for SPME fibers at the exposure conditions that favor the uptake of HE residues. Our results from radiochemical and mass spectrometric analyses indicate these metals have little measurable affinity for these SPME fibers during conditions that are conducive to HE residue uptake with subsequent analysis by liquid or gas phase chromatography with mass spectrometric detection.



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Other Papers In This Journal:

  1. Solid phase microextraction sampling of high explosive residues in the presence of radionuclides and radionuclide surrogate metals
  2. Comparative study of inorganic elements determination in whole blood from Crioula breed horse by EDXRF and NAA analytical techniques
  3. Terrestrial gamma dose rate in Pahang state Malaysia
  4. PIXE analysis for bioaccumulation studies of trace elements
  5. Radioactive impact of a bauxite beneficiation plant in the Itea Gulf (Gulf of Corinth
  6. Quantitative analysis of neodymium
  7. Modified TTA method for the determination of plutonium
  8. Application of radiometric method for element migration determination from plastic packaging to food
  9. Study of Doppler broadening of gamma-ray spectra in 14-MeV neutron activation analysis
  10. Radiological assessment of pharmaceutical clays
  11. The operator dose assessment of landmine detection systems using the neutron backscattering method
  12. Alpha and gamma radiolysis of nuclear solvent extraction ligands used for An(III) and Ln(III) separations
  13. Rapid separation of actinides and radiostrontium in vegetation samples
  14. Kinetics for extraction of zirconium and hafnium in DIBK-P350 system
  15. Source injection distribution functions for alarm algorithm testing
  16. Description and application of a novel glucagon-like peptide-1 (GLP-1) radioimmunoassay
  17. Simultaneous determination and uptake assessment of selected radionuclides in plants grown in substrate contaminated with U-mill tailings
  18. Instrumental neutron activation analysis of hafnium in zirconium metal using internal standardization
  19. Radionuclides in redistributed sediments and ash from the Las Conchas fire in Northern New Mexico
  20. Neutron activation analysis of air-filters collected in Spokane
  21. Rapid method for determination of plutonium

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