期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 274, 期 1, 页码 27-38出版社
SPRINGER
DOI: 10.1007/s10967-006-6889-x
关键词
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Research data on concentration and transportation of Sr-90 in cutivate soils and its migration in undisturbed from Leczna- Wlodawa Lake District are presented. 90Sr analysis was based on yttrium path. A special attention was paid to the precision in excluding of Th and U radioisotopes and their daughters using solid- liquid extraction ( on Dovex ionite), and Pb by PbI2 precipitation. The obtained results revealed various contamination of studied soils by 90Sr although its concentration did not exceed 10 Bq/ kg in the most samples. The highest concentration was noticed in upper 20 cm layers in both types of soils. Vertical migration rate of 90Sr, calculated from compartment model, was below 1 cm/ yr for the most researched soils.
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