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Journal of Materials Science

, Volume 29, Issue 9, pp 2474–2480 | Cite as

Structural properties of precipitates formed by hydrolysis of Fe3+ ions in aqueous solutions containing NO 3 and Cl ions

  • M. Gotić
  • S. Popović
  • N. Ljubešić
  • S. Musić
Papers

Abstract

The structural properties of precipitates formed by hydrolysis of Fe3+ ions in aqueous solutions, containing N0 3 and Cl ions, were investigated. The reactions of hydrolysis were performed in glass autoclaves at 120 °C. X-ray diffraction showed that α-FeOOH and α-Fe2O3 were present in hydrolytical products formed in solutions containing N0 3 ions, while β-FeOOH and α-Fe2O3 were typical hydrolytical products in solutions containing Cl ions. In the mixed Fe(N03)3+FeCl3 solutions, the phase composition of the hydrolytical products was determined by the concentration of the dominant Fe(III)-salt. Fourier transform infrared spectroscopy and Mössbauer spectroscopy were also used for the structural characterizations of the hydrolytical products. Transmission electron microscopy showed a diversity of shapes of the particles, which depended strongly on the experimental conditions. All types of particle, observed by transmission electron microscopy, were interpreted.

Keywords

Polymer Spectroscopy Electron Microscopy Hydrolysis Fourier 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • M. Gotić
    • 1
  • S. Popović
    • 1
    • 2
  • N. Ljubešić
    • 1
  • S. Musić
    • 1
  1. 1.Ruder Bošković InstituteZagrebCroatia
  2. 2.Department of Physics, Faculty of ScienceUniversity of ZagrebZagrebCroatia

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