Quantitative approach in iron oxides and oxihydroxides by vibrational analysis

A. F. Betancur, F. R. Pérez, M. del M. Correa, C. A. Barrero

    Research output: Contribution to journalArticlepeer-review

    20 Scopus citations

    Abstract

    Four different mixtures of goethite, hematite and magnetite in different mass fraction percentage, were prepared. Raman and infrared spectroscopic measurements were carried out. For both sets of spectrum, mathematical relationships between the Raman and Infrared fraction, as obtained from the characteristic bands of each phase, and the respective mass fraction, were established. In most cases, linear relationships were obtained. A problem sample was used in order to estimate their respective relative phase abundances obtaining better results from the Raman spectroscopy measurements.

    Original languageEnglish
    Pages (from-to)269-275
    Number of pages7
    JournalOptica Pura y Aplicada
    Volume45
    Issue number3
    DOIs
    StatePublished - 2012

    Keywords

    • Infrared spectroscopy
    • Iron oxides
    • Quantitative analysis
    • Raman spectroscopy

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