2006
DOI: 10.1016/j.apsusc.2005.05.067
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Sorption of selenium(IV) and selenium(VI) onto magnetite

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Cited by 156 publications
(117 citation statements)
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“…4,5 Therefore, the mobility and bioavailability of Se has long been a major interest of soil and environment sciences [6][7][8] and an important concern for the safe disposal of HLW. [9][10][11][12][13][14][15][16] 79 Se is a redox-sensitive radionuclide and its solubility is largely controlled by oxidation state, depending on redox conditions. Selenite and selenate prevail as mobile aqueous oxyanions, while the oxidation states 0, -I, and -II prevail as solids with low solubility.…”
Section: ' Introductionmentioning
confidence: 99%
“…4,5 Therefore, the mobility and bioavailability of Se has long been a major interest of soil and environment sciences [6][7][8] and an important concern for the safe disposal of HLW. [9][10][11][12][13][14][15][16] 79 Se is a redox-sensitive radionuclide and its solubility is largely controlled by oxidation state, depending on redox conditions. Selenite and selenate prevail as mobile aqueous oxyanions, while the oxidation states 0, -I, and -II prevail as solids with low solubility.…”
Section: ' Introductionmentioning
confidence: 99%
“…O selenato, além de ser mais comum em solos aerados, é menos retido pelas superfícies coloidais do solo (Goh & Lim, 2004) e, portanto, disponível para as plantas mais facilmente, sendo também considerada a espécie de Se com maior potencial toxicológico. O selenato forma preferencialmente complexo de esfera externa, com uma molécula de água entre o ânion e a superfície do solo; e o selenito, complexo de esfera interna (Martínez et al, 2006 …”
Section: Introductionunclassified
“…Selenate (SeO 4 2-) and selenite (SeO 3 2-) are the inorganic forms of the element with the highest potential for absorption and bioaccumulation by plants. Selenite has a strong interaction with the clay fraction of a large portion of the soils cultivated in tropical and subtropical regions, therefore, less availability when compared to selenate (Yläranta, 1984;Martínez et al, 2006;Li;McGrath;Zhao, 2008). Moreover, after absorption by the roots, selenate presents greater mobility in the xylem, whereas selenite is rapidly assimilated into organic compounds with low mobility (Li;McGrath;Zhao, 2008).…”
Section: Introductionmentioning
confidence: 99%