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Multi-element analyses of earthworms for radioecology and ecotoxicology
Published online by Cambridge University Press: 17 June 2005
Earthworms and their growth media were analyzed for 33 elements, including radionuclide related elements such as Cs, Sr and U, in order to obtain basic information on the transfer parameters of the elements. The earthworms analyzed were Eisenia foetida fed in the laboratory by using cotton linters or leaf litter. The concentrations and transfer factors (TFs) of the elements were determined. Relatively high TFs were observed for Na, Mg, P, K, Ca, Co, Ni, Cu, Zn, Rb, Mo and Cd. The TFs for Al, Sc, Ti, Y, Nb and lanthanide elements were low. The TFs of alkaline elements, K, Rb and Cs, decrease with atomic number. The TFs of Cs were 0.16 for both media. Multi-element analyses could provide much information on the concentration and transfer of elements for earthworms which are one candidate reference organism for environmental radiation protection studies.
- Research Article
- Radioprotection , Volume 40 , Issue S1 , May 2005 , pp. S491 - S495
- © EDP Sciences, 2005