About: Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The thermal decomposition of solid samples of iron(VI) oxides, K2FeO4 0.088 H2O (1) and BaFeO4 0.25H2O (2) in inert atmosphere has been examined using simultaneous thermogravimetry and differential thermal analysis (TG/DTA), in combination with in situ analysis of the evolved gases by online coupled mass spectrometer (EGA?MS). The final decomposition products were characterized by 57Fe Mossbauer spectroscopy. Water molecules were released first, followed by a distinct decomposition step with endothermic DTA peak of 1 and 2 at 273 and 248 1C, respectively, corresponding to the evolution of molecular oxygen as confirmed by EGA?MS. The released amounts of O2 were determined as 0.42 and 0.52 mol pro formula of 1 and 2, respectively. The decomposition product of K2FeO4 at 250 1C was determined as Fe(III) species in the form of KFeO2. Formation of an amorphous mixture of superoxide, peroxide, and oxide of potassium may be other products of the thermal conversion of iron(VI) oxide 1 to account for The thermal decomposition of solid samples of iron(VI) oxides, K2FeO4 0.088 H2O (1) and BaFeO4 0.25H2O (2) in inert atmosphere has been examined using simultaneous thermogravimetry and differential thermal analysis (TG/DTA), in combination with in situ analysis of the evolved gases by online coupled mass spectrometer (EGA?MS). The final decomposition products were characterized by 57Fe Mossbauer spectroscopy. Water molecules were released first, followed by a distinct decomposition step with endothermic DTA peak of 1 and 2 at 273 and 248 1C, respectively, corresponding to the evolution of molecular oxygen as confirmed by EGA?MS. The released amounts of O2 were determined as 0.42 and 0.52 mol pro formula of 1 and 2, respectively. The decomposition product of K2FeO4 at 250 1C was determined as Fe(III) species in the form of KFeO2. Formation of an amorphous mixture of superoxide, peroxide, and oxide of potassium may be other products of the thermal conversion of iron(VI) oxide 1 to account for (en)
Title	Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere (en)
skos:prefLabel	Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere (en)
skos:notation	RIV/61989592:15310/06:00003411!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), Z(MSM6198959218)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zbořil, Radek
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	503737
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00003411
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Iron(VI) oxides; K2FeO4; BaFeO4; O2 evolution; Thermogravimetry (TG); Differential thermal analysis (DTA); Evolved gas analysis (EGA); Mass spectroscopy (MS); Mössbauer spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	Differential thermal analysis (DTA) Thermogravimetry (TG) Mössbauer spectroscopy BaFeO4 Evolved gas analysis (EGA) Iron(VI) oxides K2FeO4 Mass spectroscopy (MS) O2 evolution
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[CC927AF61C8D]
http://linked.open...i/riv/nazevZdroje	Journal of Solid State Chemistry
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (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	179
http://linked.open...iv/tvurceVysledku	Sharma, Virender K. Zbořil, Radek Madarász, János Homonnay, Zoltán Pokol, György
http://linked.open...n/vavai/riv/zamer	Komplexní sloučeniny a oxidy přechodných kovů s využitím v bioaplikacích a nanotechnologiích
issn	0022-4596
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere Thermal decomposition of iron(VI) oxides, K2FeO4 and BaFeO4, in an inert atmosphere

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