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|Title:||Measurement of Low-level Radioactivity in Bone Ash|
|Authors:||PILVIO Riitta; LAROSA J.j.; MOUCHEL Daniel; WORDEL Rainer; BICKEL Michael; ALTZITZOGLOU Timotheos|
|Citation:||JOURNAL OF ENVIRONMENTAL RADIOACTIVITY vol. 43 no. 3 p. 343-356|
|Publisher:||ELSEVIER SCI LTD|
|Type:||Articles in periodicals and books|
|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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