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Simultaneous determination of 210Pb and 210Po in seafood samples using liquid scintillation counting
Journal of Environmental Radioactivity ( IF 2.3 ) Pub Date : 2021-02-17 , DOI: 10.1016/j.jenvrad.2021.106553
Xiangyin Kong , Liangliang Yin , Yanqin Ji

The measurement of 210Pb and 210Po in seafood samples has attracted tremendous interest because of their radiotoxicity. In this study, a fast and cost-efficient method for the simultaneous determination of 210Pb and 210Po in seafood samples by ultralow-level liquid scintillation counting after separation on a Sr•spec column was developed. The recoveries of 210Pb and 210Po were ~70% and ~85%, respectively. The minimum detectable activity of the proposed method for 210Pb and 210Po was 3.85 Bq/kg and 1.50 Bq/kg, respectively, which is suitable for the determination of 210Pb and 210Po in seafood samples. The radiochemical procedure was validated by measuring 210Pb and 210Po activity concentrations in IAEA-certified reference materials and successfully applied to shrimp and clam samples.



中文翻译:

液体闪烁计数法同时测定海鲜样品中的210 Pb和210 Po

海鲜样品中210 Pb和210 Po的放射毒性引起了人们极大的兴趣。在这项研究中,开发了一种快速且经济高效的方法,通过在Sr•spec色谱柱上分离后进行超低水平液体闪烁计数同时测定海鲜样品中的210 Pb和210 Po。210 Pb和210 Po的回收率分别为〜70%和〜85%。该方法对210 Pb和210 Po的最低可检测活性分别为3.85 Bq / kg和1.50 Bq / kg,适合于测定210 Pb和210宝中海鲜样品。通过测量IAEA认证的参考物质中的210 Pb和210 Po活性浓度来验证放射化学程序,并将其成功应用于虾和蛤样品。

更新日期:2021-02-17
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