Distribution of radionuclides 137Cs and 90Sr in different fractions of flour and whole wheat kernels

被引：0
|
作者：
Werteker, M [1 ]
Friedrich, M [1 ]
Schonhofer, F [1 ]
机构：
[1] Bundesamt & Forshungszentrum Landwirtschaft, A-1226 Vienna, Austria
来源：
BODENKULTUR | 1997年 / 48卷 / 03期
关键词：
Chernobyl; isotopes; cereals; flour; actual situation;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The activity of Sr-90 in cereals has diminished to 0,31 Bq/kg, or similar like before the accident of Chernobyl and the one of Cs-137 has decreased to less than 0,16 Bq/kg in 1995. These traces are usually detected by gamma-spectrometry and the application of measuring times of up to 200.000 sec. The level of Sr-90-activity is mainly influenced by the traces of the bomb-fallout in the 50(th) and 60(th). The concentration of Sr-90 in the flour fractions and in bran is correlated directly with the ash-content (r = 0,92).
引用
收藏
页码：159 / 163
页数：5
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