A comparison of PIXE and neutron activation techniques for thorium and uranium ore analysis

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Date
1980-04
Journal Title
Journal ISSN
Volume Title
Publisher
Australian Atomic Energy Commission
Abstract
Proton induced x-ray emission (PIXE) and neutron activation analysis (NAA) techniques are used to estimate the concentrations of trace quantities of thorium and uranium in powdered rock or ore samples. The accuracy of the two methods is compared in both a carbon matrix and a variety or ore matrices over the concentration range 1 to 10 000 µg g-1. Under the test conditions the PIXE and NAA concentration estimates for any individual sample in this range are found to be the same within a 3o standard error of 9 per cent.
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Keywords
Thorium ores, Uranium ores, X-ray emission analysis, Protons, Neutron activation analysis
Citation
Cohen, D., Duerden, P., Wall, T., & Clayton, E. (1980). A comparison of pixe and neutron activation techniques for thorium and uranium ore analysis (AAEC/E481). Lucas Heights, NSW: Australian Atomic Energy Commission Research Establishment.