RADIOACTIVITY ASSESSMENT OF NATURAL RADIONUCLIDES AND 137CS IN COMMONLY CONSUMED FOODS

Milena Živković, D. Nikezic, T. Miladinović, J. Stajic, D. Krstić
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Abstract

The goal of this research is to determine the levels of natural and artificial radioactivity in 13 different samples of commonly consumed foods from Serbian markets. A gamma spectrometry was used to measure the activity concentrations of 226Ra, 232Th, 40K, and 137Cs. The annual whole-body doses from 137Cs and natural radionuclides, due to the consumption of tea for an adult, are in the range of 2.3– 8.5 nSv for 137Cs, 14.1 – 21.7 nSv for 232Ra, 18.4 – 73.6 nSv for 232Th and for 40K 10.4 – 22.9 nSv. These doses are not harmful to the general public’s health.
常见食物中天然放射性核素及铯- 137的放射性评估
这项研究的目的是确定塞尔维亚市场上常见食品的13种不同样品中的天然和人工放射性水平。用伽马能谱法测定了226Ra、232Th、40K和137Cs的活度浓度。成年人每年因饮茶而受到的137Cs和天然放射性核素的全身剂量为:137Cs为2.3 - 8.5 nSv, 232Ra为14.1 - 21.7 nSv, 232Th为18.4 - 73.6 nSv, 40K为10.4 - 22.9 nSv。这些剂量对一般公众的健康没有危害。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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