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Determination of129I in ambient air by inductively coupled plasma mass spectrometry (ICP/MS)

  • Non-Radiometric Methods for Determination of Long-lived Radionuclides
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Abstract

The detection of129I by Inductively Coupled Plasma Mass Spectrometry (ICP/MS) in environmental samples can be used to determine anthropogenic release of this long-lived radionuclide, which is a definitive indicator of certain nuclear activities. By using selective precipitation techniques with on-line ICP/MS detection, low levels of129I can be detected. The major interference for the ICP/MS detection of129I is due the presence of natural129Xe found in water samples at a concentration of about 1 ng/ml. This work will demonstrate a instrument detection of less than 50 fg129I from environmental air samples and shows promise for a rugged ICP/MS technique to monitor129I levels in ambient air for nonproliferation monitoring purposes.

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Authors and Affiliations

  1. Pacific Northwest National Laboratory, MS P8-08, P. O. Box 999, 99352, Richland, WA, USA

    O. T. Farmer III, C. J. Barinaga & D. W. Koppenaal

Authors
  1. O. T. Farmer III
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  2. C. J. Barinaga
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  3. D. W. Koppenaal
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Farmer, O.T., Barinaga, C.J. & Koppenaal, D.W. Determination of129I in ambient air by inductively coupled plasma mass spectrometry (ICP/MS). J Radioanal Nucl Chem 234, 153–158 (1998). https://doi.org/10.1007/BF02389764

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  • DOI: https://doi.org/10.1007/BF02389764

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