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Different methods for tritium determination in surface water by LSC
Jovana Nikolov1, Natasa Todorovic, Marija Jankovic
1University of Novi Sad, Faculty of Sciences, Department of Physics, Serbia. jovana.nikolov@df.uns.ac.rs
Summary
Three water sample preparation methods for tritium analysis using liquid scintillation counting showed good agreement. This research helps optimize low-level tritium measurement techniques.
Area of Science:
- Environmental Science
- Nuclear Physics
- Analytical Chemistry
Background:
- Accurate tritium measurement is crucial for environmental monitoring and nuclear research.
- Ultra-low-level tritium analysis requires robust sample preparation techniques.
Purpose of the Study:
- To compare the effectiveness of three distinct water sample preparation methods for tritium analysis.
- To validate these methods using an ultra-low-level background liquid scintillation counter (Quantulus 1220).
Main Methods:
- Electrolytic enrichment of water samples.
- Direct measurement of water samples without enrichment.
- Sample preparation using the Oxidizer 307 method.
- Analysis using a Quantulus 1220 liquid scintillation counter.
Main Results:
- All three tested methods (electrolytic enrichment, direct, Oxidizer 307) yielded results with satisfying agreement for tritium analysis.
- The study determined the optimal measurement time for liquid scintillation counting (LSC) for each preparation method.
Conclusions:
- The evaluated sample preparation methods are suitable for low-level tritium determination in fresh water.
- The findings support the reliable application of these techniques in environmental and nuclear research settings.
