About: Mesoporous iron–manganese oxides for sulphur mustard and soman degradation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Substituted iron(III)–manganese(III, IV) oxides, ammonio-jarosite and birnessite, were prepared by a homogeneous hydrolysis of potassium permanganate and iron(III) sulphate with 2-chloroacetamide and urea, respectively. Synthesised oxides were characterised using Brunauer–Emmett–Teller (BET) surface area and Barrett–Joiner–Halenda porosity (BJH), X-ray diffraction (XRD), infrared spectroscopy (IR), Raman spectroscopy and scanning electron microscopy (SEM). The oxides were taken for an experimental evaluation of their reactivity against sulphur mustard (HD) and soman (GD). When ammonio-jarosite formation is suppressed by adding urea to the reaction mixture, the reaction products are mixtures of goethite, schwertmannite and ferrihydrite, and their degradation activity against soman considerably increases. The best activities for the degradation of sulphur mustard (97.9% in 64 min) and soman (97.9% in 64 min) were observed for FeMn_75 with 32.6 wt.% Fe (36.8 wt.% Mn) and FeMn_37U with 60.8 wt.% Fe (10.1 wt.% Mn) samples, respectively. Substituted iron(III)–manganese(III, IV) oxides, ammonio-jarosite and birnessite, were prepared by a homogeneous hydrolysis of potassium permanganate and iron(III) sulphate with 2-chloroacetamide and urea, respectively. Synthesised oxides were characterised using Brunauer–Emmett–Teller (BET) surface area and Barrett–Joiner–Halenda porosity (BJH), X-ray diffraction (XRD), infrared spectroscopy (IR), Raman spectroscopy and scanning electron microscopy (SEM). The oxides were taken for an experimental evaluation of their reactivity against sulphur mustard (HD) and soman (GD). When ammonio-jarosite formation is suppressed by adding urea to the reaction mixture, the reaction products are mixtures of goethite, schwertmannite and ferrihydrite, and their degradation activity against soman considerably increases. The best activities for the degradation of sulphur mustard (97.9% in 64 min) and soman (97.9% in 64 min) were observed for FeMn_75 with 32.6 wt.% Fe (36.8 wt.% Mn) and FeMn_37U with 60.8 wt.% Fe (10.1 wt.% Mn) samples, respectively. (en)
Title	Mesoporous iron–manganese oxides for sulphur mustard and soman degradation Mesoporous iron–manganese oxides for sulphur mustard and soman degradation (en)
skos:prefLabel	Mesoporous iron–manganese oxides for sulphur mustard and soman degradation Mesoporous iron–manganese oxides for sulphur mustard and soman degradation (en)
skos:notation	RIV/61388980:_____/12:00382564!RIV13-GA0-61388980
http://linked.open...avai/predkladatel	Ústav anorganické chemie AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP106/12/1116)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Grygar, Tomáš Bludská, Jana Štengl, Václav
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	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	149564
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/12:00382564
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanostructures; chemical synthesis; microstructure; surface poroperties (en)
http://linked.open.../riv/klicoveSlovo	microstructure surface poroperties nanostructures chemical synthesis
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[1FC81927A7A8]
http://linked.open...i/riv/nazevZdroje	Materials Research Bulletin
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanocrystalline metal oxides for safe and fast degradation of organophosphorus pesticides
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	47
http://linked.open...iv/tvurceVysledku	Matys Grygar, Tomáš Bludská, Jana Štengl, Václav Němec, T. Opluštil, F.
http://linked.open...ain/vavai/riv/wos	000313851200059
issn	0025-5408
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.materresbull.2012.09.015
is http://linked.open...avai/riv/vysledek of	Mesoporous iron–manganese oxides for sulphur mustard and soman degradation

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