Results of the EURAMET.RI(II)- S7.Sm-151 supplementary comparison (EURAMET Project 1292)

Bé, Marie-Martine; Cassette, P.; Brondeau, Laurine; Fréchou, C.; Lourenço, Valérie; Altzitzoglou, T.; Pommé, S.; Rožkov, Andrej; Auerbach, Pavel; Sochorová, Jana; Dziel, Tomasz; Dersch, Rainer; Kossert, Karsten; Nähle, O.; Stadelmann, G.; Isnard, Hélène; Krivošík, Matej; Omet́kov́, Jarmila

doi:10.1088/0026-1394/52/1a/06016

Metrologia

2015

DOI: 10.1088/0026-1394/52/1a/06016

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Results of the EURAMET.RI(II)- S7.Sm-151 supplementary comparison (EURAMET Project 1292)

Marie-Martine Bé¹,

P. Cassette²,

Laurine Brondeau³

et al.

Abstract: An international comparison of the activity standardisation of the relatively long-lived gamma-ray emitter 151 Sm has been recently completed. A total of six laboratories measured a solution prepared by CEA/LNHB and CEA/LANIE. Aliquots of the master solution were standardized in terms of activity per mass unit by participant laboratories using 2 different techniques. The results of the comparison can be used as the basis for establishing equivalence among the laboratories. The activity measurements of this com… Show more

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Radionuclide metrology: confidence in radioactivity measurements

Pommé

2022

J Radioanal Nucl Chem

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Radionuclides, whether naturally occurring or artificially produced, are readily detected through their particle and photon emissions following nuclear decay. Radioanalytical techniques use the radiation as a looking glass into the composition of materials, thus providing valuable information to various scientific disciplines. Absolute quantification of the measurand often relies on accurate knowledge of nuclear decay data and detector calibrations traceable to the SI units. Behind the scenes of the radioanalytical world, there is a small community of radionuclide metrologists who provide the vital tools to convert detection rates into activity values. They perform highly accurate primary standardisations of activity to establish the SI-derived unit becquerel for the most relevant radionuclides, and demonstrate international equivalence of their standards through key comparisons. The trustworthiness of their metrological work crucially depends on painstaking scrutiny of their methods and the elaboration of comprehensive uncertainty budgets. Through meticulous methodology, rigorous data analysis, performance of reference measurements, technological innovation, education and training, and organisation of proficiency tests, they help the user community to achieve confidence in measurements for policy support, science, and trade. The author dedicates the George Hevesy Medal Award 2020 to the current and previous generations of radionuclide metrologists who have devoted their professional lives to this noble endeavour.

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Radionuclide metrology: confidence in radioactivity measurements

Pommé

2022

J Radioanal Nucl Chem

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Results of the EURAMET.RI(II)- S7.Sm-151 supplementary comparison (EURAMET Project 1292)

Cited by 1 publication

References 5 publications

Radionuclide metrology: confidence in radioactivity measurements

Radionuclide metrology: confidence in radioactivity measurements

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