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|Title:||Characterization of 226Ra activity in low-level slag reference standards|
|Authors:||CARO MARROYO B.; TZIKA FAIDRA; HULT Mikael; LUTTER GUILLAUME; MEJUTO MENDIETA M.; CRESPO M. T.|
|Citation:||JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 304 p. 883–888|
|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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