Simultaneous analysis of 137Cs, 90Sr, 238Pu and 239+240Pu in Brazilian seawater

被引：0
|
作者：
R. C. L. Figueira
E. S. B. G. Saraiva
I. I. L. Cunha
机构：
[1] Universidade Cruzeiro do Sul – UNICSUL,
[2] Oceanographic Institute – IO-USP,undefined
[3] Radiochemistry Division – Instituto de Pesquisas Energéticas e Nucleares,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2001年 / 248卷
关键词：
Radionuclide; Plutonium; Seawater Sample; Minimum Detectable Concentration; 137Cs Level;
D O I：
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中图分类号：
学科分类号：
摘要：
Methodologies for simultaneous analysis of 137Cs, 90Sr, 238Pu and 239+240Pu were developed and applied to seawater samples. 137Cs levels in Brazilian coastal seawater ranged from 0.12 to 4.7 Bq·m-3, for 90Sr from 2.0 to 8.6 Bq·m-3, for 239+240Pu from 0.8 to 4.5 mBq·m-3 and for 238Pu it was of 1.9 mBq·m-3. The artificial radioactivity levels in Brazilian seawater are typical values due to fallout deposition.
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页码：801 / 804
页数：3
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