Abstract
A method for rapid determination of 226Ra was employed on tailings from a pilot plant project involving Greenland uranium deposits. Attempts to measure 226Ra by alpha spectrometry directly were not successful due to poorly resolved spectra, and it prooved necessary to make use of conventional techniques. The results suggest different behavior of 228Ac and 234Pa during the uranium extraction process. The 226Ra released during processing is immediately concentrated in a material, which may to a minor extent coat the tailings. However, in that form the 226Ra is and remains completely insoluble.
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