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X-ray photoelectron spectra of magnetite nanopowders after chromium(VI) sorption from aqueous solutions

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Abstract

Fe3O4 nanopowders prepared by three different procedures (vapor-phase synthesis, chemical precipitation from aqueous solutions, and laser evaporation) have been characterized by X-ray photoelectron spectroscopy before and after chromium(VI) sorption from aqueous solutions. The results demonstrate that, during sorption, the chromium is concentrated in the magnetite at a level of several atomic percent, and its oxidation state is 3+. The mechanism of chromium sorption on magnetite particles is discussed.

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Authors and Affiliations

  1. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Pervomaiskaya ul. 91, Yekaterinburg, 620990, Russia

    M. V. Kuznetsov, O. D. Linnikov & I. V. Rodina

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  1. M. V. Kuznetsov
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  2. O. D. Linnikov
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  3. I. V. Rodina
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Correspondence to M. V. Kuznetsov.

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Original Russian Text © M.V. Kuznetsov, O.D. Linnikov, I.V. Rodina, 2012, published in Neorganicheskie Materialy, 2012, Vol. 48, No. 2, pp. 213–219.

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Kuznetsov, M.V., Linnikov, O.D. & Rodina, I.V. X-ray photoelectron spectra of magnetite nanopowders after chromium(VI) sorption from aqueous solutions. Inorg Mater 48, 169–175 (2012). https://doi.org/10.1134/S0020168512020148

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  • DOI: https://doi.org/10.1134/S0020168512020148

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