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Abstract

 

This article in SSSAJ

  1. Vol. 47 No. 3, p. 486-490
     
    Received: June 1, 1982
    Accepted: Jan 14, 1983


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doi:10.2136/sssaj1983.03615995004700030018x

Evaluation of an Automated Assay System to Measure Soil Radionuclides by L X-Ray and Gamma-Ray Spectrometry1

  1. J. W. Nyhan,
  2. B. J. Drennon and
  3. J. M. Crowell2

Abstract

Abstract

An automated radionuclide assay system was evaluated for performing soil radioassays using L x-ray and gamma-ray spectrometry. Wet chemistry assay procedures were shown to be considerably more time consuming than similar analyses of soils on this radionuclide assay system. The detection limits of 241Am and Pu were determined, as well as the reproducibility of radionuclide assay results. The L x-ray spectrometric measurements were compared with radiochemical analysis on several tuff samples. The assay system's intrinsic germanium detector was found to respond linearly to varying low concentrations of 241Am and Pu, both of which were easily detected in the presence of elevated concentrations of 137Cs.

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