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This article is cited in 1 scientific paper (total in 1 paper)
Nanodisperse oxide compounds of iron formed in the FeSO$_4$ – KOH – H$_2$O – H$_2$O$_2$ system (4.0$\le$ pH$\le $13.0)
D. A. Zherebtsova, V. Sh. Mirasova, D. G. Klescheva, E. V. Polyakovb a South Ural State University (National research university), Chelyabinsk, Russia
b Institute of Solid State Chemistry of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia
Abstract:
The regularities of phase formation during oxidation of aqueous solutions of FeSO$_{4}$ and (or) suspensions of Fe(OH)$_{2}$ at quasi-constant temperature and pH values have been studied for wide intervals of temperature (20 – 85$^\circ$C) and (4.0 – 13.0) of the reaction medium. The produced nanodisperse materials have been examined by X-ray phase analysis, IR spectroscopy, scanning electron microscopy and X-ray fluorescence analysis, as well as by thermogravimetric analysis combined with thermal analysis and mass spectrometric analysis of released gases. The dependences of the phase, chemical and disperse compositions of the formed precipitates on the synthesis parameters have been revealed.
Keywords:
FeSO$_{4}$ solutions, Fe(OH)$_{2}$ suspensions, hydrogen peroxide oxidation, oxide compounds of iron(III).
Received: 02.05.2015 Revised: 13.05.2015
Citation:
D. A. Zherebtsov, V. Sh. Mirasov, D. G. Kleschev, E. V. Polyakov, “Nanodisperse oxide compounds of iron formed in the FeSO$_4$ – KOH – H$_2$O – H$_2$O$_2$ system (4.0$\le$ pH$\le $13.0)”, Nanosystems: Physics, Chemistry, Mathematics, 6:4 (2015), 593–604
Linking options:
https://www.mathnet.ru/eng/nano972 https://www.mathnet.ru/eng/nano/v6/i4/p593
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