Abstract
Forty elements were determined by instrumental neutron activation analysis in a wide range of Australian coals and fly ash to update and extend earlier measurements. The natural radioactivity content of selected samples were analysed by high resolution gamma-ray spectrometry and low level radiochemistry. The results indicated a marked disequilibrium of the232Th decay series in some samples while a general enrichment of210Pb in most fly ash samples disrupted the238U equilibrium.
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Fardy, J.J., McOrist, G.D. & Farrar, Y.J. Neutron activation analysis and radioactivity measurements of Australian coals and fly ashes. Journal of Radioanalytical and Nuclear Chemistry, Articles 133, 217–226 (1989). https://doi.org/10.1007/BF02060494
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DOI: https://doi.org/10.1007/BF02060494