About: Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Using a device for thermogravimetric analysis, a dynamic study of thermally induced solid-state transformations of FeC2O42H2O in the atmosphere allowing full participation of gaseous products (CO, CO2, H2O) in the reaction system was carried out. Solid phases formed at various temperatures between 25 and 640 uC were identified and characterized using 57Fe Mossbauer spectroscopy, TG and XRD. Up to 230 uC, evolution of two molecules of the water of crystallization takes place. Superparamagnetic nanoparticles of magnetite (Fe3O4) are formed as the primary product of the decomposition of FeC2O4, together with gaseous CO and CO2. In the next stage above 380 uC, the crystallization of magnetite is accompanied by a reduction of the remaining ferrous oxalate to iron carbide (Fe3C) by carbon monoxide. Thermally induced conversion of iron carbide into a-Fe and carbon is expected between 400 and 535 uC as the major chemical process. In the last reaction step, above 535 uC, magnetite is reduced to wüstite (Fe Using a device for thermogravimetric analysis, a dynamic study of thermally induced solid-state transformations of FeC2O42H2O in the atmosphere allowing full participation of gaseous products (CO, CO2, H2O) in the reaction system was carried out. Solid phases formed at various temperatures between 25 and 640 uC were identified and characterized using 57Fe Mossbauer spectroscopy, TG and XRD. Up to 230 uC, evolution of two molecules of the water of crystallization takes place. Superparamagnetic nanoparticles of magnetite (Fe3O4) are formed as the primary product of the decomposition of FeC2O4, together with gaseous CO and CO2. In the next stage above 380 uC, the crystallization of magnetite is accompanied by a reduction of the remaining ferrous oxalate to iron carbide (Fe3C) by carbon monoxide. Thermally induced conversion of iron carbide into a-Fe and carbon is expected between 400 and 535 uC as the major chemical process. In the last reaction step, above 535 uC, magnetite is reduced to wüstite (Fe (en)
Title	Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases (en)
skos:prefLabel	Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases (en)
skos:notation	RIV/61989592:15310/06:00003406!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), Z(AV0Z20410507), Z(MSM6198959218)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Heřmánek, Martin Schneeweiss, Oldřich Zbořil, Radek Mašláň, Miroslav Machala, Libor
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	503728
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00003406
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hydrous ferrous oxalate; oxide nanoparticles; crystal-structure; Mossbauer-spectroscopy; nanoparticles powders; magnetic-properties; carbon nanotubes; decomposition; precursor; diffraction (en)
http://linked.open.../riv/klicoveSlovo	magnetic-properties carbon nanotubes decomposition crystal-structure precursor oxide nanoparticles diffraction Hydrous ferrous oxalate Mossbauer-spectroscopy nanoparticles powders
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F5A6FF08DE62]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Chemistry
http://linked.open...in/vavai/riv/obor	JK
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	16
http://linked.open...iv/tvurceVysledku	Heřmánek, Martin Schneeweiss, Oldřich Zbořil, Radek Mašláň, Miroslav Machala, Libor
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Komplexní sloučeniny a oxidy přechodných kovů s využitím v bioaplikacích a nanotechnologiích
issn	0959-9428
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases Thermal behaviour of iron(II) oxalate dihydrate in the atmosphere of its conversion gases

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