Measurement of 240Pu/239Pu isotopic ratios in soils from the Marshall Islands using ICP-MS

被引：142
作者：
Muramatsu, Y
Hamilton, T
Uchida, S
Tagami, K
Yoshida, S
Robison, W
机构：
[1] Natl Inst Radiol Sci, Environm & Toxicol Res Grp, Inage Ku, Chiba 2638555, Japan
[2] Lawrence Livermore Natl Lab, Hlth & Ecol Assessment Div, Livermore, CA 94551 USA
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 2001年 / 278卷 / 1-3期
关键词：
plutonium; Pu-240/Pu-239; ratio; ICP-MS; Marshall Islands; soil;
D O I：
10.1016/S0048-9697(01)00644-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Nuclear weapons tests conducted by the United States in the Marshall Islands produced significant quantities of regional or tropospheric fallout contamination. Here we report on some preliminary inductively coupled plasma-mass spectrometry (ICP-MS) measurements of plutonium isolated from seven composite soil samples collected from Bikini, Enewetak and Rongelap Atolls in the northern Marshall Islands. These data show that Pu-240/Pu-239 isotopic signatures in surface soils from the Marshall Island vary significantly and could potentially be used to help quantify the range and extent of fallout deposition (and associated impacts) from specific weapons tests. Cs-137 and Co-60 were also determined on the same set of soil samples for comparative purposes. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：151 / 159
页数：9
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