Distribution characteristics of rare earth elements in plants from a rare earth ore area |
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| Authors: | Z Y Zhang Y Q Wang F L Li H Q Xiao Z F Chai |
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| Institution: | (1) Institute of High Energy Physics and Laboratory of Nuclear Analytical Techniques, Chinese Academy of Science, P. O. Box 2732, Beijing, 100080, P.R. China |
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| Abstract: | The contents of eight rare earth elements (La, Ce, Nd, Sm, Eu, Tb, Yb and Lu) in various plant species taken from a rare earth ore area were determined by instrumental neutron activation analysis. For a given plant, the REE patterns in root, leaf and host soil are different from each other. The REE distribution characteristics in roots of various species are very similar and resemble those in the surface water. The results of this study suggest that there is no significant fractionation between the REEs during their uptake by the plant roots from soil solution. However, the variation of the relative abundance of individual REE occurs in the process of transportation and deposition of REEs in plants. |
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