Spectroscopic characterization of chrysotile asbestos from different regions

Mira Ristić; Ilona Czakó-Nagy; Svetozar Musić; Attila Vértes

doi:10.1016/j.molstruc.2010.10.005

Spectroscopic characterization of chrysotile asbestos from different regions

Mira Ristić, Ilona Czakó-Nagy, Svetozar Musić, Attila Vértes

Eötvös Loránd University

Research output: Contribution to journal › Article

24 Citations (Scopus)

Abstract

Chrysotile asbestos from different geographic regions was characterized by ⁵⁷Fe Mössbauer and FT-IR spectroscopies, and FE-SEM coupled with EDS. Mössbauer spectra showed incorporation of Fe(II) and Fe(III) into the crystal structure of chrysotile. The Fe(II)/Fe(III) ratios were calculated. The Fe(II) occupied the octahedral Mg(II) positions. Broadening of Mössbauer lines corresponding to the Fe(III) doublet indicated a possible presence of Fe(III) in tetrahedral and octahedral positions. In all samples magnetite (Fe_3-xO₄) was found as associated mineral. Changes in the FT-IR spectra of chrysotiles were assigned to structural incorporation of metal ions, such as iron or aluminium ions. The morphology of chrysotile asbestos was inspected by FE-SEM.

Original language	English
Pages (from-to)	120-126
Number of pages	7
Journal	Journal of Molecular Structure
Volume	993
Issue number	1-3
DOIs	https://doi.org/10.1016/j.molstruc.2010.10.005
Publication status	Published - May 3 2011

Keywords

Chrysotile asbestos
Electron microscopy
FT-IR
Fe Mössbauer

ASJC Scopus subject areas

Analytical Chemistry
Spectroscopy
Organic Chemistry
Inorganic Chemistry

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Ristić, M., Czakó-Nagy, I., Musić, S., & Vértes, A. (2011). Spectroscopic characterization of chrysotile asbestos from different regions. Journal of Molecular Structure, 993(1-3), 120-126. https://doi.org/10.1016/j.molstruc.2010.10.005

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title = "Spectroscopic characterization of chrysotile asbestos from different regions",

abstract = "Chrysotile asbestos from different geographic regions was characterized by 57Fe M{\"o}ssbauer and FT-IR spectroscopies, and FE-SEM coupled with EDS. M{\"o}ssbauer spectra showed incorporation of Fe(II) and Fe(III) into the crystal structure of chrysotile. The Fe(II)/Fe(III) ratios were calculated. The Fe(II) occupied the octahedral Mg(II) positions. Broadening of M{\"o}ssbauer lines corresponding to the Fe(III) doublet indicated a possible presence of Fe(III) in tetrahedral and octahedral positions. In all samples magnetite (Fe3-xO4) was found as associated mineral. Changes in the FT-IR spectra of chrysotiles were assigned to structural incorporation of metal ions, such as iron or aluminium ions. The morphology of chrysotile asbestos was inspected by FE-SEM.",

keywords = "Chrysotile asbestos, Electron microscopy, FT-IR, Fe M{\"o}ssbauer",

author = "Mira Risti{\'c} and Ilona Czak{\'o}-Nagy and Svetozar Musi{\'c} and Attila V{\'e}rtes",

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AU - Ristić, Mira

AU - Czakó-Nagy, Ilona

AU - Musić, Svetozar

AU - Vértes, Attila

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N2 - Chrysotile asbestos from different geographic regions was characterized by 57Fe Mössbauer and FT-IR spectroscopies, and FE-SEM coupled with EDS. Mössbauer spectra showed incorporation of Fe(II) and Fe(III) into the crystal structure of chrysotile. The Fe(II)/Fe(III) ratios were calculated. The Fe(II) occupied the octahedral Mg(II) positions. Broadening of Mössbauer lines corresponding to the Fe(III) doublet indicated a possible presence of Fe(III) in tetrahedral and octahedral positions. In all samples magnetite (Fe3-xO4) was found as associated mineral. Changes in the FT-IR spectra of chrysotiles were assigned to structural incorporation of metal ions, such as iron or aluminium ions. The morphology of chrysotile asbestos was inspected by FE-SEM.

AB - Chrysotile asbestos from different geographic regions was characterized by 57Fe Mössbauer and FT-IR spectroscopies, and FE-SEM coupled with EDS. Mössbauer spectra showed incorporation of Fe(II) and Fe(III) into the crystal structure of chrysotile. The Fe(II)/Fe(III) ratios were calculated. The Fe(II) occupied the octahedral Mg(II) positions. Broadening of Mössbauer lines corresponding to the Fe(III) doublet indicated a possible presence of Fe(III) in tetrahedral and octahedral positions. In all samples magnetite (Fe3-xO4) was found as associated mineral. Changes in the FT-IR spectra of chrysotiles were assigned to structural incorporation of metal ions, such as iron or aluminium ions. The morphology of chrysotile asbestos was inspected by FE-SEM.

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KW - FT-IR

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