The ratio of lead-210 to polonium-210 in U.K. diet
作者： J SMITHBRIGGS , E BRADLEY , M POTTER
DOI: 10.1016/0048-9697(86)90260-3
关键词: Radionuclide 、 Polonium 、 Sugar 、 Disequilibrium 、 Effective dose (radiation) 、 Chemistry 、 Food group 、 Ingestion 、 Mineralogy 、 Animal science 、 Secular equilibrium 、 Environmental engineering 、 Waste Management and Disposal 、 Pollution 、 Environmental chemistry
摘要: The levels of the natural radionuclides, 210Pb and 210Po, in U.K. diet have been measured previously. However, earlier measurements, samples were sufficiently aged for 210Po to attained secular equilibrium. In order determine extent disequilibrium between these radionuclides fresh food, measurements made on recently collected dietary samples. Disequilibrium has observed five food groups. activity per unit mass was found be greater than that bread, cereals, sugar preserves, whereas opposite true eggs beverages. When account is taken consumption rates, however, total intakes from groups are approximately same. -annual effective dose equivalents ingestion re-estimated at 41 12 μSv, respectively.
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