Title: Measurement of Low-level Radioactivity in Bone Ash
Authors: PILVIO RiittaLAROSA J.j.MOUCHEL DanielWORDEL RainerBICKEL MichaelALTZITZOGLOU Timotheos
Citation: JOURNAL OF ENVIRONMENTAL RADIOACTIVITY vol. 43 no. 3 p. 343-356
Publisher: ELSEVIER SCI LTD
Publication Year: 1999
JRC N°: JRC15457
ISSN: 0265-931X
URI: http://www.ingentaconnect.com/content/els/0265931x/1999/00000043/00000003/art00064
http://publications.jrc.ec.europa.eu/repository/handle/JRC15457
DOI: 10.1016/S0265-931X(98)00064-2
Type: Articles in Journals
Abstract: Bone is a critical organ for the accumulation of many radionuclides including Sr and the actinides. The National Institute of Standards and Technology has prepared bone ash samples in view of producing a standard reference material. The Institute for Reference Materials and Measurements partecipated in the analysis for the certification of the radionuclide concentrations in the bone ash. This article describes the assaying of the actinides, Sr Pb and Ra activity concentrations. A radiochemical procedure based on extraction chromatography has been developed to separate these radionuclides from the bone ash. The activity concentrations of the actinides, Pb and Ra have been measured using gamma-ray spectrometry and alpha-particle spectrometry and that of Sr using low-level liquid scintillation counting.
JRC Institute:Institute for Reference Materials and Measurements

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