Abstract
A direct nondestructive method of analysis for241Am utilizing photon counting and self-absorption correction factors is presented. The method gives favorable agreement for samples analyzed by radiochemical separation procedures and alpha particle spectrometry. The comparison was made over a range of approximately five orders of magnitude of241Am concentrations. The method is reliable and relatively simple. Sensitivity for a ∼5-g sample and a counting intervals of 60 000 s is ∼0.2 pCi/g with an uncertainty of ±22%, which decreases to ±11% for increased counting intervals of 150 000 s and an increased sample size of ∼20 g.
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Larsen, I.L., Lee, S.Y. Nondestructive photon analysis of241Am in soils and sediment utilizing slef-absorption corrections. J. Radioanal. Chem. 79, 165–169 (1983). https://doi.org/10.1007/BF02518864
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DOI: https://doi.org/10.1007/BF02518864