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Investigation on the impact of 222Ra emanation from reference materials and how it influences HRGS measurements with γBEAKERS

Radon-222 emanation ratios were measured in several IAEA reference materials; for IAEA-RGU-1 emanation ratio was found to be very low (ca. 2.2%) and for IAEA-385, IAEA-375, IAEA-434, IAEA-448 this value was much higher (4%-35%). This analysis was conducted for samples encased in γBEAKERS and immersed in clean wax, and the data for both was compared. Read more https://doi.org/10.1016/j.measurement.2021.109893