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Infrared study of FeO·OH→Fe2O3 thermal transformation

  • Inorganic and Analytical
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Abstract

Infrared absorption spectroscopy has been applied for the identification of the minerals associated with natural goethite (α-FeO·OH) from Saudi Arabia. The thermal transformation of natural goethite as well as the effects of the presence of the associated minerals on the reaction products were investigated. The results revealed that at 300°C protohematite is formed which at 600°C is slightly crystallized. Further recrystallization and hematite formation takes place at 1000°C. It was also found that the presence of other minerals found in goethite samples has no effect on the reaction products.

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Authors and Affiliations

  1. Girls’ College of Education in Jeddah, Saudi Arabia

    Hajjar Balkees

  2. Middle Eastern Regional Radioisotopic Centre for the Arab Countries, Sh. Malaeb El-Gamaa, Dokki 11321, Cairo, ARE

    M Samira Rabie

Authors
  1. M Samira Rabie
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  2. Hajjar Balkees
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Rabie, M.S., Balkees, H. Infrared study of FeO·OH→Fe2O3 thermal transformation. Formerly: Proceedings (Chemical Sciences) 96, 315–320 (1986). https://doi.org/10.1007/BF02895727

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  • DOI: https://doi.org/10.1007/BF02895727

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