Natural radioactivity in Brazilian bottled mineral waters and consequent doses

被引：0
|
作者：
de Oliveira, J [1 ]
Mazzilli, BP [1 ]
de Costa, P [1 ]
Tanigava, PA [1 ]
机构：
[1] IPEN, Dept Radioprot Ambiental, Sao Paulo, Brazil
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2001年 / 249卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The natural activity concentration levels of (226)Ra, (228)Ra and (210)Pb were analyzed in 17 brands of bottled mineral waters commercially available in the Southeast region of Brazil. Concentrations up to 647 m.Bq.l(-1) and 741 mBq.l(-1) were observed for (226)Ra and (228)Ra, whereas (210)Pb concentrations reached 85 mBq.l(-1). Average committed effective doses of 1.3.10(-2) mSv.y(-1) for (226)Ra, 3.4.10(-2) mSv.y(-1) for (228)Ra and 9.4.10(-3) mSv.y(-1) for (210)Pb were estimated for the ingestion of these waters. A collective dose of 90 manSv was evaluated, considering the annual production of the bottled mineral waters analyzed in this study.
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页码：173 / 176
页数：4
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