Abstract
Abstract The analysis of the natural radioactivity of archaeological artefacts for thermoluminescence (TL) dating is now realized in the CRIAA TL laboratory (Bordeaux) by low background gamma spectrometry. An original calibration procedure allows the non-destructive measurements of natural radioelement contents (K, U and Th) and the control of the equilibrium state of the U series (loss of 222 Rn, ratio of activities 238 U/ 226 Ra). An intercomparison of analytical methods has shown the excellent potentialities of the gamma spectrometry. The low detection limits and the easy implementation make this method particularly suitable to determine the annual dose for TL dating.
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Schedule a callMore From: International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements
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