About: Solubility of Ferrate(VI) in NaOH-KOH Mixtures at Different Temperatures

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The solubility of potassium ferrate(VI) (K2FeO4) was measured in a mixture solution containing various molar ratios of KOH and NaOH at a total concentration of 14 M from (10 to 60) degrees C. The solubility of K2FeO4 decreased necause of the presence of K+ in the solution mixture. The solubility (S) was expressed as log S = 5.830 - 2019/T - 5.845X(K+)(0.5) + 1.595X(K+) + 724X(K+)(0.5)/T (sigma = 0.024), where XK+ is the mole fraction of K+ in the solution mixture and T is in Kelvin. A comparison of the values of S* in different alkali metal hydroxide solutions showed that the solubility of K2FeO4 was diminished in KOH and CsOH and similarly in LiOH and NaOH solutions. The solubility product constant (K-sp), calculated from the solubility measurements, was given as log K-sp = 18.10 - 6055/T - 17.535X(K+)(0.5) + 4.785X(K+) + 2171X(K+)(0.5)/T (sigma = 0.061). The heat of dissolution (Delta H-diss) decreased linearly with an increase in the mole fraction of K+ ions. The significance of the solubility The solubility of potassium ferrate(VI) (K2FeO4) was measured in a mixture solution containing various molar ratios of KOH and NaOH at a total concentration of 14 M from (10 to 60) degrees C. The solubility of K2FeO4 decreased necause of the presence of K+ in the solution mixture. The solubility (S) was expressed as log S = 5.830 - 2019/T - 5.845X(K+)(0.5) + 1.595X(K+) + 724X(K+)(0.5)/T (sigma = 0.024), where XK+ is the mole fraction of K+ in the solution mixture and T is in Kelvin. A comparison of the values of S* in different alkali metal hydroxide solutions showed that the solubility of K2FeO4 was diminished in KOH and CsOH and similarly in LiOH and NaOH solutions. The solubility product constant (K-sp), calculated from the solubility measurements, was given as log K-sp = 18.10 - 6055/T - 17.535X(K+)(0.5) + 4.785X(K+) + 2171X(K+)(0.5)/T (sigma = 0.061). The heat of dissolution (Delta H-diss) decreased linearly with an increase in the mole fraction of K+ ions. The significance of the solubility (en)
Title	Solubility of Ferrate(VI) in NaOH-KOH Mixtures at Different Temperatures Solubility of Ferrate(VI) in NaOH-KOH Mixtures at Different Temperatures (en)
skos:prefLabel	Solubility of Ferrate(VI) in NaOH-KOH Mixtures at Different Temperatures Solubility of Ferrate(VI) in NaOH-KOH Mixtures at Different Temperatures (en)
skos:notation	RIV/60461373:22310/10:00023698!RIV11-MSM-22310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137301)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Mácová, Zuzana 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	288518
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/10:00023698
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	POTASSIUM FERRATE(VI); WASTE-WATER; OXIDATION; FE(VI) (en)
http://linked.open.../riv/klicoveSlovo	WASTE-WATER OXIDATION FE(VI) POTASSIUM FERRATE(VI)
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[AFAE35BBEA46]
http://linked.open...i/riv/nazevZdroje	Journal of Chemical Engineering Data
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Bouzek, Karel Mácová, Zuzana Sharma, Virender Millero, Frank
http://linked.open...ain/vavai/riv/wos	000285216300031
http://linked.open...n/vavai/riv/zamer	Catalytic processes in chemistry and chemical technology
issn	0021-9568
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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