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Comparison of two techniques for low-level tritium measurement – gas proportional and liquid scintillation counting (CROSBI ID 566259)

Prilog sa skupa u zborniku | izvorni znanstveni rad

Barešić, Jadranka ; Horvatinčić, Nada ; Krajcar Bronić, Ines ; Obelić, Bogomil Comparison of two techniques for low-level tritium measurement – gas proportional and liquid scintillation counting // Third European IRPA Congress, Proceedings, Full papers of poster presentations / IRPA (ur.). Helsinki: STUK, Finland, 2011. str. 1988-1992

Podaci o odgovornosti

Barešić, Jadranka ; Horvatinčić, Nada ; Krajcar Bronić, Ines ; Obelić, Bogomil

engleski

Comparison of two techniques for low-level tritium measurement – gas proportional and liquid scintillation counting

Measurement of low-level tritium activities in natural/non-polluted waters, e.g. in precipitation and groundwater, requires special techniques for water pretreatment and detection of low-level radioactivity. Two methods for low-level tritium measurement have been developed in Zagreb Radiocarbon and Tritium Laboratory: gas proportional counting (GPC) and liquid scintillation counting (LSC). Method of electrolytic enrichment of water samples with tritium followed by measurement by LSC Quantulus 1220 has been developed in 2008. Here we present the comparison of the two measurement techniques. Our Laboratory participated in the intercomparison study organized by the IAEA, TRIC2008. The data evaluation of six samples revealed that all results measured by LSC are accepted, as well as four GPC results, while two GPC results of samples with low tritium activity (<2 TU) are in the warning level.

tritium; measurement techniques; GPC; LSC; enrichment

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Podaci o prilogu

1988-1992.

2011.

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objavljeno

978-952-478-551-8

Podaci o matičnoj publikaciji

Third European IRPA Congress, Proceedings, Full papers of poster presentations

IRPA

Helsinki: STUK, Finland

Podaci o skupu

Nepoznat skup

poster

29.02.1904-29.02.2096

Povezanost rada

Fizika, Geologija, Kemija