Transfer factors of 226Ra, 232Th and 40K from soil to pasture-grass in the northeastern of Turkey

被引：21
|
作者：
Cengiz, Gulcin Bilgici [1 ]
机构：
[1] Kafkas Univ, Fac Arts & Sci, Dept Phys, TR-36100 Kars, Turkey
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2019年 / 319卷 / 01期
关键词：
Natural radionuclides; Activity concentration; Soil-to-plant transfer factor; Pasture-grass; PLANT TRANSFER-FACTORS; NATURAL RADIONUCLIDES; RADIOACTIVITY; SAMPLES;
D O I：
10.1007/s10967-018-6337-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The uptake of natural radioactivity by pasture-grass collected from seven different grasslands of Digor was calculated. The activities of Ra-226, Th-232 and K-40 in pasture-grass were in the range of 21.8 +/- 6.3-49.6 +/- 13.4, 51.9 +/- 13.2-127.7 +/- 23.8 and 309.5 +/- 33.5-807.3 +/- 64.4Bqkg(-1), respectively. The soil to pasture-grass transfer factors were evaluated and determined to be in the range from 0.26 +/- 0.13 to 0.69 +/- 0.34, 0.64 +/- 0.27 to 1.99 +/- 0.40 and 0.64 +/- 0.014 to 1.40 +/- 0.032 for Ra-226, Th-232 and K-40, respectively. The distribution of Ra-226 and Th-232 in different parts of pasture-grass indicated a decreasing tendency in order of root>stem>leaf. K-40 mainly accumulated in stem of pasture-grass and is followed by declining trend stem>leaf>root.
引用
收藏
页码：83 / 89
页数：7
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