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Precipitation phenomena in FeCl3-NaH2PO2 aqueous solutions at 245°C

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Abstract

Precipitation phenomena in aqueous solutions containing FeCl3 and NaH2PO2 in varying concentrations have been studied at 245 °C. The composition and the morphology of the resulting particles depended strongly on the concentration ratios of the reacting ions. In the presence of small amounts of NaH2PO2 only hematite formed of different particle shapes. An increased addition of hypophosphite ions had two effects: first, anions of phosphorus were incorporated in the solids and, second, ferric ions were reduced to ferrous ions giving a variety of products.

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Author notes

  1. S. Kratohvil & E. Matijević

    Present address: Department of Chemistry and Institute of Colloid and Surface Science, Clarkson University, Potsdam, NY

  2. M. Ozaki

    Present address: Yokohama City University, Yokohama, Japan

Authors and Affiliations

  1. Department of Chemistry and Institute of Colloid and Surface Science, Clarkson University, Potsdam, NY

    M. Ozaki

Authors
  1. S. Kratohvil
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  2. E. Matijević
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  3. M. Ozaki
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Additional information

Supported by the Electric Power Research Institute, Contract RP-966-2.

On leave from Yokohama City University, Japan.

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Kratohvil, S., Matijević, E. & Ozaki, M. Precipitation phenomena in FeCl3-NaH2PO2 aqueous solutions at 245°C. Colloid & Polymer Sci 262, 804–810 (1984). https://doi.org/10.1007/BF01451711

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  • DOI: https://doi.org/10.1007/BF01451711

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