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Appl Radiat Isot. 2013 Jan;71(1):51-6. doi: 10.1016/j.apradiso.2012.09.015. Epub 2012 Oct 4.

Different methods for tritium determination in surface water by LSC.

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1
University of Novi Sad, Faculty of Sciences, Department of Physics, Serbia. jovana.nikolov@df.uns.ac.rs

Abstract

The main aim of this paper was to compare different methods of preparing water samples for tritium analysis by ultra-low-level background liquid scintillation counter, Quantulus 1220. Three methods of sample preparation for low-level tritium measurement have been implemented in the Nuclear Physics Laboratory in Novi Sad: electrolytic enrichment, direct method without electrolytic enrichment and sample Oxidizer 307 method. The examined fresh water samples were rainfall collected during 6 months and water from a stream in the Vinča nuclear research center collected over 3 months. The obtained results using these three methods showed satisfying agreement. The appropriate measuring time by LSC for each sample prepared according to different methods has been determined.

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