TRITIUM DETERMINATION FROM WINE SAMPLES USING LIQUID SCINTILLATION COUNTING
National Research and Development Institute for Cryogenics and Isotopic Technologies - ICSI Rm. Valcea, Uzinei Street no. 4, PO Box Râureni 7, 240050, Râmnicu Vâlcea, Romania
*Corresponding author: Irina Vagner, E-mail: irina.vagner@icsi.ro
Received 07 December 2020 Received in revised form 26 February 2021 Accepted 05 March 2021 Available online 16 April 2021Abstract
Tritium measurement from aqueous fraction of the wines of known vineyard can be a useful tool in reconstruction of the tritium activity in different areas and makes possible to date the time of the harvest of the grapes. The goal of this study was to develop a suitable method for purification of the aqueous phase from the wine samples, obtained from different type of wines, in order to determine tritium activity concentration using liquid scintillation counting. In this work the influence of the purification method applied to the aqueous samples resulted from wine distillation was assessed by deuterium and tritium measurements, content of organic carbon, pH and conductivity. The most reliable purification method used for wine aqueous fractions, according with the results obtained for pH, and total organic carbon content is chemical treatment followed by lyophilization.
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Tritium measurement, liquid scintillation counting, wine
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Keywords
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Tritium
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liquid
scintillation
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