3H activity comparison between FTMC, VNIIM and LNE-LNHB. (March 2016)

• Record Type: Journal Article
• Authors: Cassette, Philippe; Butkus, Paulius; Gudelis, Arunas; Shilnikova, Tatiana
• Is Part Of: Applied radiation and isotopes. Volume 109(2016:Mar.)
• Page Start: 41
• Page End: 43
• Publication Date: 2016-03
• Subjects: Tritium -- Activity comparison -- TDCR -- LSC; Radiology -- Periodicals; Radiation -- Industrial applications -- Periodicals; Nuclear chemistry -- Periodicals; Internet resource; Periodical; 660.298
• DOI: 10.1016/j.apradiso.2015.11.063
• Languages: English
• ISSNs: 0969-8043

Abstract

Abstract: An activity comparison of tritiated water was organized in 2013 between 3 laboratories: FTMC (Lithuania), LNE-LNHB (France) and VNIIM (Russia). The solution was prepared by LNHB and ampoules were sent to the others laboratories. This solution was standardized in terms of activity per unit mass by participant laboratories using the Triple to Double Coincidence Ratio (TDCR) method in liquid scintillation counting (LSC). The tritiated water solution is traceable to the solution prepared by LNHB for the CCRI(II)-K2.H-3 2009 3 H international comparison. Highlights: International comparison of the activity concentration of tritiated water. All laboratories used the Triple to Double Coincidence Ratio method in Liquid Scintillation. Instruments, methods and uncertainty budgets are detailed. The reported results are compatible within the uncertainties but significant differences in the uncertainty evaluation is reported.