Chemometrics of the distribution and origin of 226Ra, 228Ra, 40K and 137Cs in plants near the West Macedonia Lignite Center (Greece)

被引：0
|
作者：
L. I. Tsikritzis
机构：
[1] Technological Education Institute (TEI) of West Macedonia,
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2005年 / 264卷
关键词：
Physical Chemistry; Inorganic Chemistry; Lignite; Unpolluted Area; 228Ra Concentration;
D O I：
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中图分类号：
学科分类号：
摘要：
The distribution and origin of 40K, 226Ra, 228Ra and 137Cs has been investigated in trees, mosses and lichens in the basin of the West Macedonia Lignite Centre. In tree leaves 137Cs is negligible, while the 226Ra and 228Ra concentrations are affected by the fly ash particles. Concerning 226Ra and 228Ra values of mosses and lichens, which are systematically larger than those of unpolluted areas, the application of chemometrics proved that they originate mainly from the lignite fly ash.
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页码：651 / 656
页数：5
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