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Title: A review of the TAEA proficiency test on natural and anthropogenic radionuclides activities in black tea
Authors: Yeltepe, Emin
Şahin, Namık Kemal
Aslan, Nazife
Hult, Mikael
Özçayan, Gülten
Wershofen, Herbert
Yücel, Ülkü
Keywords: Radioactivity in tea powder
Çay tozunda radyoaktivite
Environmental gamma ray spectrometry
Gama spektrometri
Radioactivity proficiency test
Radyoaktivite yeterlilik testi
226Ra, 40K, 90Sr measurements
226Ra, 40K, 90Sr ölçümleri
Issue Date: Apr-2018
Publisher: Elsevier B.V.
Citation: Yeltepe, E., Şahin, N.K., Aslan, N., Hult, M, Özçayan, G., Wershofen, H. ve Yücel, Ü. (2017). Applied Radiation and Isotopes. Volume 134, April 2018, pages 40-44.
Abstract: A proficiency test amongst 15 Turkish laboratories with participation of 5 non-Turkish laboratories was organized to determine the 137Cs, 40K and 90Sr massic activities in black tea powder samples. The bulk material, consisting of tea produced in 2014, was mixed with contaminated tea that was withdrawn from the market after the Chernobyl accident. Nineteen laboratories reported 41 results. The evaluation of the results was based on the accuracy and precision criteria adopted by the IAEA Proficiency Testing Group and resulted in 49% acceptable results, 19% acceptable with warning and 32% were found to be not acceptable.
ISSN: 0969-8043
Appears in Collections:Makale 2010-2019 yılları

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