Title: Characterization of 226Ra activity in low-level slag reference standards
Authors: CARO MARROYO B.TZIKA FAIDRAHULT MikaelLUTTER GUILLAUMEMEJUTO MENDIETA M.CRESPO M. T.
Citation: JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 304 p. 883–888
Publisher: SPRINGER
Publication Year: 2015
JRC N°: JRC92248
ISSN: 0236-5731
URI: http://rd.springer.com/article/10.1007%2Fs10967-014-3851-1
http://publications.jrc.ec.europa.eu/repository/handle/JRC92248
DOI: 10.1007/s10967-014-3851-1
Type: Articles in periodicals and books
Abstract: Within the EURAMET European Metrology Research Programme project IND04 named MetroMetal, several different reference standards have been developed for the metallurgical industry. This paper describes the characterisation of low-levels of 226Ra in samples of slag. The activity was determined through spiking with a known amount of solution containing 226Ra to a previously characterised slag material. The measurements were performed at both 225 m underground and aboveground. The total (spiked + natural) massic activity of 226Ra obtained from the gamma-ray spectrometry measurements was (126.3 ± 5.6) Bq/kg. A comparison of the different measurements and studies of the distribution of radon-daughters in the samples is presented.
JRC Directorate:Health, Consumers and Reference Materials

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