First measurements of anthropogenic and natural radionuclides in surface soils (10 cm) of Cote d'Ivoire

被引:2
|
作者
Koua, A. [2 ]
Michel, H. [1 ]
Alabdullah, J. [1 ]
Barci, V. [1 ]
Aka, H. K. [3 ]
Barci-Funel, G. [1 ]
Ardisson, G. [1 ]
机构
[1] Univ Nice, Lab Radiochim Sci Analyt & Envirom, F-06108 Nice, France
[2] Univ Cocody, Lab Phys Nucl & Radioprotect, UFR Sci Struct Matiere & Technol, Abidjan 22, Cote Ivoire
[3] Univ Cocody, Chim Phys Lab, UFR Sci Struct Matiere & Technol, Abidjan 22, Cote Ivoire
关键词
Pu239-240; Cs-137; Cote d'Ivoire; Soil; ACTINIDES; PLUTONIUM; SAMPLES; RATIOS;
D O I
10.1016/j.crci.2008.11.012
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Pu239-240 and Cs-137 activities in soil samples were measured in two sites of the littoral part of Cote d'Ivoire: Abidjan and the classified forest of "la Comoe". Two areas were chosen: a forest and a clearing. The aim of this work is to establish a starting point for nuclear contamination data of a non-nuclear country. Measured soil cores were of 10 cm depth. Cs-137 and Pu239-240 activities, mainly due to weapon nuclear tests in the 1960s, were in the range 0.37-2.3 and 0.023-0.125 Bq kg(-1) respectively. Pu239-240/Cs-137 values were found to be about 0.024-0.19 in agreement with the expected value for nuclear tests. To cite this article: A. Koua et al., C R. Chimie 12 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:850 / 853
页数:4
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