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  • Transfer of uranium and radium to Chinese cabbage from soil containing elevated levels of natural radionuclides
    Smodiš, Borut ...
    The transfer of 238U and 226Ra to Chinese cabbage (Brassica rapa L. subsp. pekinensis (Lour.) Hanelt) was investigated from soils contaminated with uranium-mill tailings (UMT) by means of a pot ... experiment in laboratory-based conditions applying different levels of soil contamination under various growing conditions. Activity concentrations for 226Ra in Chinese cabbage varied from 56-276, 156-502 and 277-877 Bq kg-1 dry mass for 20, 40 and 60 - of UMT content in the soil, respectively, and for 238U from 1.0-2.3 and 2.3-4.7 Bq kg-1 dry mass for 40 and 60 - of UMT content in the soil, respectively. The results showed increased accumulation of 226Ra and low accumulation of 238U in cabbage leaves in more contaminated soil.
    Source: Journal of radioanalytical and nuclear chemistry. - ISSN 0236-5731 (Vol. 306, iss. 3, 2015, str. 685-694)
    Type of material - article, component part
    Publish date - 2015
    Language - english
    COBISS.SI-ID - 28785447
    DOI