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Thermal and structure analysis of FeSO4·H2O-BaO2 mixtures

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Abstract

Investigations on the thermal decomposition of FeSO4·H2O-BaO2 mixtures were carried out under isothermal conditions by using simultaneously solid electrolyte cell (EMF-method). Evoked interactions producing oxygen in the temperature range 553-673 K were established by means of a solid electrolyte oxygen analyzer. Based on Mössbauer spectroscopy data and X-ray analysis it was proved that these reactions were associated with the release of oxygen from barium peroxide, oxidation of ferrosulphate-monohydrate to FeOHSO4, and formation of barium ferrites such as BaFe2O4 and BaFe12O19.

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Authors and Affiliations

  1. Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev St, Block 107, 1113, Sofia, Bulgaria

    V. Petkova

  2. University of Chemical Technology and Metallurgy, 8 St. Kl. Ohridski Blvd, 1756, Sofia, Bulgaria

    Y. Pelovski

Authors
  1. V. Petkova
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  2. Y. Pelovski
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Petkova, V., Pelovski, Y. Thermal and structure analysis of FeSO4·H2O-BaO2 mixtures. Journal of Thermal Analysis and Calorimetry 72, 981–989 (2003). https://doi.org/10.1023/A:1025042920887

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  • DOI: https://doi.org/10.1023/A:1025042920887

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