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A tube-excited X-ray fluorescence spectrometer for use in small-diameter boreholes

  • Advances in Instrumentation and Sofware for Radioanalytical Techniques
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Abstract

A portable in-situ x-ray fluorescence analytical system that uses an x-ray tube excitation source and a cooled Si(Li) spectrometer for detecting characteristic emission x rays has been developed for use in small-diameter wells and boreholes. The 15-watt, iron-anode x-ray tube operates up to 30 kV. Three wells at the Sandia National Laboratory Chemical Waste Landfill, lined with 76 μ thick polyethylene, were logged specifically for Cr contamination. Detection limits below 50 ppm were achieved with counting intervals of 600 seconds and with the Si(Li) detector operating at 450-eV resolution (full width at half maximum [FWHM] for the Mn K-alpha x ray).

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References

  1. “Field Portable X-Ray Fluorescence,” U. S. EPA Quality Assurance Technical Information Bulletin, Vol. 1, No. 4, May, 1991.

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Authors and Affiliations

  1. Pacific Northwest Laboratory, 99352, Richland, Washington, (USA)

    J. H. Reeves, R. J. Arthur, R. L. Brodzinski & C. L. Shepard

Authors
  1. J. H. Reeves
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  2. R. J. Arthur
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  3. R. L. Brodzinski
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  4. C. L. Shepard
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Reeves, J.H., Arthur, R.J., Brodzinski, R.L. et al. A tube-excited X-ray fluorescence spectrometer for use in small-diameter boreholes. Journal of Radioanalytical and Nuclear Chemistry, Articles 193, 93–98 (1995). https://doi.org/10.1007/BF02041921

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  • DOI: https://doi.org/10.1007/BF02041921

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