Article Dans Une Revue Journal of Radioanalytical and Nuclear Chemistry Année : 2019

From Bq cm$^{−3}$ to Bq cm$^{−2}$ (and conversely)—part 1: a useful conversion for autoradiography

Résumé

Autoradiography technique generally provides an image in cps cm−2, the conversion in Bq g−1 remaining a challenge. The Geant4 tool has been used to establish a conversion procedure based on the estimation of a key parameter, the emission fraction FE. The conversion method was applied on three samples containing 3H, 14C and 238U respectively, allowing then to assess the detection efficiency of a digital radioimager, BeaQuant™. Particular attention was paid to matrix effect of contaminated material that could affect the detection efficiency. This article is coupled with a companion paper, providing support to apply the conversion method to decommissioning investigations.
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Dates et versions

hal-04122520 , version 1 (17-02-2025)

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Sophie Billon, Paul Sardini, Sylvain Leblond, Pascal Fichet. From Bq cm$^{−3}$ to Bq cm$^{−2}$ (and conversely)—part 1: a useful conversion for autoradiography. Journal of Radioanalytical and Nuclear Chemistry, 2019, 320 (3), pp.643-654. ⟨10.1007/s10967-019-06521-w⟩. ⟨hal-04122520⟩
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