About: The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture

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About: The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The electrochemical synthesis of ferrate(VI) was studied in a molten salt environment as a function of temperature (170 - 200 ºC). A eutectic NaOH KOH melt was selected as the most appropriate system for this purpose. Cyclic voltammetry was used to characterize the processes taking place on the stationary iron electrode. The anodic current peaks corresponding to the ferrate(VI) production as well as cathodic current peaks corresponding to the ferrate(VI) reduction appeared to be strongly dependent on the temperature at which the experiment was performed. Ferrate(VI) formation by anodic oxidation of the iron electrode in the molten electrolyte during the batch electrolysis was confirmed for the first time by visible and Mössbauer spectroscopy. The maximum current efficiency of Fe(VI) formation reached during galvanostatic batch electrolysis has attained 72 %. It was reached at the temperature of 170 ºC. The electrochemical synthesis of ferrate(VI) was studied in a molten salt environment as a function of temperature (170 - 200 ºC). A eutectic NaOH KOH melt was selected as the most appropriate system for this purpose. Cyclic voltammetry was used to characterize the processes taking place on the stationary iron electrode. The anodic current peaks corresponding to the ferrate(VI) production as well as cathodic current peaks corresponding to the ferrate(VI) reduction appeared to be strongly dependent on the temperature at which the experiment was performed. Ferrate(VI) formation by anodic oxidation of the iron electrode in the molten electrolyte during the batch electrolysis was confirmed for the first time by visible and Mössbauer spectroscopy. The maximum current efficiency of Fe(VI) formation reached during galvanostatic batch electrolysis has attained 72 %. It was reached at the temperature of 170 ºC. (en) V rámci této práce byla studována elektrochemická syntéza železanů v prostředí eutektické taveniny směsi hydroxidu sodného a draselného. K charakterizaci dějů probíhajících na povrchu elektrod byla použita cyklická voltametrie. Vznik železanu byl potvrzen spektrofotometricky a pomocí Moessbauerovy spektroskopie. Účinnost syntézy je silně závislá na použité pracovní teplotě. (cs)
Title	The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture (en) Studium tvorby železanu(VI) v tavenine Na/K hydroxidu cyklickou voltametrií (cs)
skos:prefLabel	The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture The cyclic voltammetric study of ferrate(VI) formation in a molten Na/K hydroxide mixture (en) Studium tvorby železanu(VI) v tavenine Na/K hydroxidu cyklickou voltametrií (cs)
skos:notation	RIV/60461373:22310/08:00020336!RIV09-MSM-22310___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	54
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Bouzek, Karel
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	361841
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/08:00020336
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	: Ferrate(VI); hydroxide melt; electrochemical synthesis; UV-Vis spectroscopy; anodic oxidation (en)
http://linked.open.../riv/klicoveSlovo	electrochemical synthesis hydroxide melt anodic oxidation UV-Vis spectroscopy : Ferrate(VI)
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[3E34BA43302F]
http://linked.open...i/riv/nazevZdroje	Electrochimica Acta
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Bouzek, Karel Híveš, Ján Sitek, J. Benová, Michaela Sharma, V.K..
http://linked.open...ain/vavai/riv/wos	000263282400008
issn	0013-4686
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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