Title: 226Ra and 228Ra Determination in Mineral Waters - Comparison of Methods
Authors: VASILE MirelaBENEDIK LjudmilaALTZITZOGLOU TimotheosSPASOVA YanaWAETJEN UweGONZALEZ DE ORDUNA RaquelHULT MikaelBEYERMANN M.MIHALCEA I.
Citation: APPLIED RADIATION AND ISOTOPES vol. 68 no. 7-8 p. 1236-1239
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2010
JRC Publication N°: JRC55121
ISSN: 0969-8043
URI: www.elsevier.com/locate/apradiso
http://publications.jrc.ec.europa.eu/repository/handle/JRC55121
DOI: 10.1016/j.apradiso.2009.11.018
Type: Contributions to Conferences
Abstract: A comparison of different radiochemical separation procedures and measurement techniques used to determine the activity concentration of 226Ra and 228Ra in water is made with respect to accuracy, detection limits and turn-around time. Radium-226 activity concentration was determined by the radon emanation technique, alpha-particle and gamma-ray spectrometry. To determine the 228Ra activity concentration, four different techniques were used: low-level liquid scintillation counting, low-level proportional counting, alpha-particle and low-level gamma-ray spectrometry.
JRC Institute:Institute for Reference Materials and Measurements

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