Natural radionuclides in Greek raisins

被引:1
作者
Xarchoulakos, Dimitrios C. [1 ]
机构
[1] Greek Atom Energy Commiss, Environm Radioact Monitoring Unit, Athens 15341, Greece
关键词
Food analysis; Food Composition; Uranium isotopes; 210Po; 210Pb; Greek raisins; Alpha spectrometry; VITIS-VINIFERA L; DEPLETED URANIUM; IN-VIVO; PO-210; POLONIUM; PB-210; RADIOACTIVITY; DISEQUILIBRIUM; CONSUMPTION; VEGETABLES;
D O I
10.1016/j.jfca.2023.105142
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A radiological evaluation of 238U, 234U, 210Pb, and 210Po in Greek raisins was performed. A wide range of activity concentrations was determined, while in most cases there is a disequilibrium in 234U/238U and 210Po/210Pb fractions. The radiological effect due to raisins consumption was found negligible compared with other food-stuffs. Uranium isotopes were separated by extraction chromatography and electrodeposited on stainless steel plates. 210Po was spontaneously deposited on nickel plates. 210Pb was indirectly determined by alpha spec-trometry through the ingrowth of 210Po. The radioactive sources were measured by alpha spectrometry.
引用
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页数:7
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