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Determining the 40K radioactivity in rocks using x-ray spectrometry

Pilakouta M., Kallithrakas-Kontos Nikolaos, Nikolaou G.

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URI: http://purl.tuc.gr/dl/dias/E732018D-FB1B-4911-B2F7-00E2AA30D9BF
Year 2017
Type of Item Peer-Reviewed Journal Publication
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Bibliographic Citation M. Pilakouta, N. Kallithrakas-Kontos and G. Nikolaou, "Determining the 40K radioactivity in rocks using x-ray spectrometry," Eur. J. of Phys., vol. 38, no.5, Aug. 2017. doi: 10.1088/1361-6404/aa78ba https://doi.org/10.1088/1361-6404/aa78ba
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Summary

In this paper we propose an experimental method for the determination of potassium-40 (40K) radioactivity in commercial granite samples using x-ray fluorescence (XRF). The method correlates the total potassium concentration (yield) in samples deduced by XRF analysis with the radioactivity of the sample due to the 40K radionuclide. This method can be used in an undergraduate student laboratory. A brief theoretical background and description of the method, as well as some results and their interpretation, are presented.

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