About: Mössbauer study of transformation of Fe cations during thermal treatment of glauconite in air

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Thermal decomposition of glauconite in air was studied by optical microscopy, thermal analysis, X-ray diffraction, and Mössbauer spectroscopy. The glauconite structure keeps preserved during thermal treatment up to 800 °C; however, simultaneously, a progressive transformation of Fe2+ and Fe3+ ions in glauconite structure and water leaving the crystal structure are both observed inducing the symmetry lowering of the iron octahedral positions. The destruction of glauconite structure begins after heating at 900 °C and becomes more intensive with an increase in the treatment temperature. Simultaneously, with the glauconite structure destruction, iron leaving the glauconite structure oxidizes to gama-Fe2O3, which transforms to alfa-Fe2O3. Thermal decomposition of glauconite in air was studied by optical microscopy, thermal analysis, X-ray diffraction, and Mössbauer spectroscopy. The glauconite structure keeps preserved during thermal treatment up to 800 °C; however, simultaneously, a progressive transformation of Fe2+ and Fe3+ ions in glauconite structure and water leaving the crystal structure are both observed inducing the symmetry lowering of the iron octahedral positions. The destruction of glauconite structure begins after heating at 900 °C and becomes more intensive with an increase in the treatment temperature. Simultaneously, with the glauconite structure destruction, iron leaving the glauconite structure oxidizes to gama-Fe2O3, which transforms to alfa-Fe2O3. (en)
Title	Mössbauer study of transformation of Fe cations during thermal treatment of glauconite in air Mössbauer study of transformation of Fe cations during thermal treatment of glauconite in air (en)
skos:prefLabel	Mössbauer study of transformation of Fe cations during thermal treatment of glauconite in air Mössbauer study of transformation of Fe cations during thermal treatment of glauconite in air (en)
skos:notation	RIV/61989592:15310/12:33141905!RIV13-MSM-15310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0512), P(GA106/08/1440), P(GA205/08/0869)
http://linked.open...iv/cisloPeriodika	DEC
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mašláň, Miroslav Kašlík, Josef Kovářová, Eva
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	151870
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/12:33141905
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	glauconite, thermal decomposition, magnemite, Mössbauer spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	thermal decomposition Mössbauer spectroscopy glauconite magnemite
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[887E669B9786]
http://linked.open...i/riv/nazevZdroje	AIP Conference Proceedings
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials Iron and iron oxide nanoparticles with applications in the magnetic separation processes Clay minerals as host matrices for functional nanostructures
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	1489
http://linked.open...iv/tvurceVysledku	Mašláň, Miroslav Martinec, P. Kovářová, Eva Kašlík, Josef Scucka, J.
http://linked.open...ain/vavai/riv/wos	000311909900020
issn	0094-243X
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4759486
http://localhost/t...ganizacniJednotka	15310

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