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izvor podataka: crosbi

Development of a reference material for analysing naturally occurring radioactive material from the steel industry (CROSBI ID 285113)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Braysher, E ; Russel, B ; Collins, SM ; van Es, EM ; Shearman, R ; Dal Molin, F ; Read, D ; Anagnostakis, M ; Arndt, R ; Bednar, A et al. Development of a reference material for analysing naturally occurring radioactive material from the steel industry // Analytica chimica acta, 1141 (2021), 221-229. doi: 10.1016/j.aca.2020.10.053

Podaci o odgovornosti

Braysher, E ; Russel, B ; Collins, SM ; van Es, EM ; Shearman, R ; Dal Molin, F ; Read, D ; Anagnostakis, M ; Arndt, R ; Bednar, A ; Bituh, Tomislav ; Bolivar, JP ; Cobb, J ; Dehbi, N ; Di Pasquale, S ; Gasco, C ; Gilligan, C ; Jovanovič, P ; Lawton, A ; Lees, AMJ ; Lences, A ; Mitchell, L ; Mitsios, I ; Petrinec, Branko ; Rawcliffe, J ; Shyti, M ; Suarez-Navarro, JA ; Suursoo, S ; Toth-Bodrogi, E ; Vaasma, T ; Verheyen, L ; Westmoreland, J ; de With, G

engleski

Development of a reference material for analysing naturally occurring radioactive material from the steel industry

Accurate measurement of naturally occurring radionuclides in blast furnace slag, a by-product of the steel industry, is required for compliance with building regulations where it is often used as an ingredient in cement. A matrix reference blast furnace slag material has been developed to support traceability in these measurements. Raw material provided by a commercial producer underwent stability and homogeneity testing, as well as characterisation of matrix constituents, to provide a final candidate reference material. The radionuclide content was then determined during a comparison exercise that included 23 laboratories from 14 countries. Participants determined the activity per unit mass for 226Ra, 232Th and 40K using a range of techniques. The consensus values obtained from the power-moderated mean of the reported participant results were used as indicative activity per unit mass values for the three radionuclides: A0(226Ra) = 106.3 (34) Bq/kg-1, A0(232Th) = 130.0 (48) Bq/kg- 1 and A0(40K) = 161 (11) Bq/kg-1 (where the number in parentheses is the numerical value of the combined standard uncertainty referred to the corresponding last digits of the quoted result). This exercise helps to address the current shortage of NORM industry reference materials, putting in place infrastructure for production of further reference materials.

Reference material ; Naturally occurring radioactive material ; Inter-laboratory comparison ; Steel industry

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Podaci o izdanju

1141

2021.

221-229

objavljeno

0003-2670

1873-4324

10.1016/j.aca.2020.10.053

Povezanost rada

Fizika, Interdisciplinarne prirodne znanosti, Javno zdravstvo i zdravstvena zaštita

Poveznice
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