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Effect of precipitation conditions on the phase composition, particle morphology, and properties of iron(III,II) hydroxide precipitates

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Abstract

The phase composition and particle shape of amorphous iron hydroxide-iron oxide precipitates were correlated with the oxidation state of iron in the starting solution, Fe2O3 : FeO ratio, and precipitation procedure (coprecipitation or successive precipitation) using Mössbauer spectroscopy, atomic absorption, lowtemperature nitrogen BET, and electron microscopy data. A correlation was established between the amount of iron(II) in the starting solution, the amount of the metastable phase γ-Fe2O3 in the precipitate, particle shape, and the activity of the final heat-treatment products—α-Fe2O3 and mixed oxides of iron.

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Authors and Affiliations

  1. Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, pr. akademika Palladina 32/34, 252142, Kiev, Ukraine

    A. G. Belous, E. V. Pashkova, V. A. Elshanskii & V. P. Ivanitskii

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  1. A. G. Belous
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  2. E. V. Pashkova
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  3. V. A. Elshanskii
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  4. V. P. Ivanitskii
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Belous, A.G., Pashkova, E.V., Elshanskii, V.A. et al. Effect of precipitation conditions on the phase composition, particle morphology, and properties of iron(III,II) hydroxide precipitates. Inorg Mater 36, 343–351 (2000). https://doi.org/10.1007/BF02758080

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  • DOI: https://doi.org/10.1007/BF02758080

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