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Open AccessArticle10.1007/s10967-015-4302-3

A study on possible use of Urtica dioica (common nettle) plants as uranium (234U, 238U) contamination bioindicator near phosphogypsum stockpile

Grzegorz Olszewski,Alicja Boryło,Bogdan Skwarzec-2015-07-25-Journal of Radioanalytical and Nuclear Chemistry
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TL;DRAbstract

The aim of this study was to determine uranium concentrations in common nettle (<i>Urtica dioica</i>) plants and corresponding soils samples which were collected from the area of phosphogypsum stockpile in Wiślinka (northern Poland). The uranium concentrations in roots depended on its concentrations in soils. Calculated BCF and TF values showed that soils characteristics and air deposition affect uranium absorption and that different uranium species have different affinities to <i>U</i>. <i>dioica</i> plants. The values of <sup>234</sup>U/<sup>238</sup>U activity ratio indicate natural origin of these radioisotopes in analyzed plants. Uranium concentration in plants roots is negatively weakly correlated with distance from phosphogypsum stockpile.

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The aim of this study was to determine uranium concentrations in common nettle (<i>Urtica dioica</i>) plants and corresponding soils samples which were collected from the area of phosphogypsum stockpile in Wiślinka (northern Poland). The uranium concentrations in roots depended on its concentrations in soils. Calculated BCF and TF values showed that soils characteristics and air deposition affect uranium absorption and that different uranium species have different affinities to <i>U</i>. <i>dioica</i> plants. The values of <sup>234</sup>U/<sup>238</sup>U activity ratio indicate natural origin of these radioisotopes in analyzed plants. Uranium concentration in plants roots is negatively weakly correlated with distance from phosphogypsum stockpile.

Keywords

PhosphogypsumUrtica dioicaUraniumBioindicatorSoil waterContaminationEnvironmental chemistryEdaphic

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