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Standardization of tritiated water by two improved methods
D Stanga1, I Moreau, P Cassette
1National Institute of R&D for Physics and Nuclear Engineering Horia Hulubei IFIN-HH, P.O.Box MG-6, Bucharest-Magurele, R-077125, Romania. doru@ifin.nipne.ro
Summary
Two improved methods for standardizing tritiated water, liquid scintillation counting and internal gas proportional counting, yielded consistent results with less than 0.6% uncertainty. Both techniques are equally suitable for accurate tritium measurement.
Area of Science:
- Radiochemistry
- Metrology
Background:
- Accurate standardization of tritiated water is crucial for various scientific applications.
- Existing methods require rigorous validation for reliable quantification.
Purpose of the Study:
- To standardize tritiated water using two improved measurement techniques.
- To compare the accuracy and consistency of these methods.
Main Methods:
- Liquid scintillation counting utilizing the triple to double coincidence ratio method.
- Internal gas proportional counting coupled with a tritium generator for water reduction.
Main Results:
- Both methods achieved measurement uncertainties below 0.6%.
- Results from both techniques were in excellent agreement, within the established uncertainties.
Conclusions:
- The developed methods provide reliable standardization of tritiated water.
- Both liquid scintillation counting and internal gas proportional counting are equally effective for this purpose.