New magnesium cobalt iron double hydroxides with hydrotalcite structure: Synthesis and characterization

I. G. Ryl'Tsova, O. V. Nestroinaya, O. E. Lebedeva, O. A. Vorontsova, N. I. Kosova, I. A. Kurzina

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Series ol layered double hydroxides (LDHs) of the hydrotalcite family simultaneously containing iron and cobalt cations in the positions of triply charged metal ions of the brucite-like sheets, were prepared by coprecipitation of the components from solution in an oxidative medium. The materials prepared have been characterized by X-ray powder diffraction, temperature-programmed reduction (TPR), and temperature-programmed destruction (TPD); their behavior during dehydration-rehydration cycling was studied. The layered double hydroxides were shown to be reducible when heated in flowing hydrogen. Heating to 600°C induced the reduction of cobalt and iron to doubly charged cations, and at temperatures higher than 600°C the reduction yielded the metals. The thermal destruction products of the LDHs prepared are capable of recovering their layered structure when reacted with aqueous sodium carbonate solutions; however, this capability is reduced as the cobalt content in the sample increases.

    Original languageEnglish
    Pages (from-to)1403-1410
    Number of pages8
    JournalRussian Journal of Inorganic Chemistry
    Volume59
    Issue number12
    DOIs
    Publication statusPublished - 1 Jan 2014

    Fingerprint

    hydrotalcite
    Hydroxides
    Cobalt
    Magnesium
    hydroxides
    magnesium
    cobalt
    Iron
    iron
    destruction
    Cations
    synthesis
    Magnesium Hydroxide
    Positive ions
    brucite
    sodium carbonates
    cations
    Coprecipitation
    Dehydration
    dehydration

    ASJC Scopus subject areas

    • Inorganic Chemistry

    Cite this

    Ryl'Tsova, I. G., Nestroinaya, O. V., Lebedeva, O. E., Vorontsova, O. A., Kosova, N. I., & Kurzina, I. A. (2014). New magnesium cobalt iron double hydroxides with hydrotalcite structure: Synthesis and characterization. Russian Journal of Inorganic Chemistry, 59(12), 1403-1410. https://doi.org/10.1134/S0036023614120213

    New magnesium cobalt iron double hydroxides with hydrotalcite structure : Synthesis and characterization. / Ryl'Tsova, I. G.; Nestroinaya, O. V.; Lebedeva, O. E.; Vorontsova, O. A.; Kosova, N. I.; Kurzina, I. A.

    In: Russian Journal of Inorganic Chemistry, Vol. 59, No. 12, 01.01.2014, p. 1403-1410.

    Research output: Contribution to journalArticle

    Ryl'Tsova, IG, Nestroinaya, OV, Lebedeva, OE, Vorontsova, OA, Kosova, NI & Kurzina, IA 2014, 'New magnesium cobalt iron double hydroxides with hydrotalcite structure: Synthesis and characterization', Russian Journal of Inorganic Chemistry, vol. 59, no. 12, pp. 1403-1410. https://doi.org/10.1134/S0036023614120213
    Ryl'Tsova, I. G. ; Nestroinaya, O. V. ; Lebedeva, O. E. ; Vorontsova, O. A. ; Kosova, N. I. ; Kurzina, I. A. / New magnesium cobalt iron double hydroxides with hydrotalcite structure : Synthesis and characterization. In: Russian Journal of Inorganic Chemistry. 2014 ; Vol. 59, No. 12. pp. 1403-1410.
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    AU - Lebedeva, O. E.

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