About: Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation

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About: Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The photocatalytic decomposition of indigo-5,5-disulfonic acid (indigocarmine) and indigo-6,6-dicarboxylic acid has been studied using TiO2 suspension and the polychromatic irradiation of a high-pressure Hg arc lamp. The dyestuffs were dissolved in aqueous medium at pH = 10 and photolyzed in a back-flow tubular photoreactor. The reaction products were determined by HPLC, NMR and MS spectroscopy. Two main photoproducts obtained from indigocarmine (2-amino-5-sulfobenzoic acid and isatine-5-sulfonic acid) were detected. The photocatalysis of indigo-6,6-dicarboxylic acid gave aminoterephthalic acid and isatine-6-carboxylic acid as two main products. The quantitative analyses of reaction products were performed with UV/Vis and HPLC using chemical standards. A stoichiometric model and kinetic description of photocatalysis of sulfo and carboxy indigo dyes are suggested. The effect of hydroxide and carbonate anions on the rate of photocatalysis was also studied. The photocatalytic decomposition of indigo-5,5-disulfonic acid (indigocarmine) and indigo-6,6-dicarboxylic acid has been studied using TiO2 suspension and the polychromatic irradiation of a high-pressure Hg arc lamp. The dyestuffs were dissolved in aqueous medium at pH = 10 and photolyzed in a back-flow tubular photoreactor. The reaction products were determined by HPLC, NMR and MS spectroscopy. Two main photoproducts obtained from indigocarmine (2-amino-5-sulfobenzoic acid and isatine-5-sulfonic acid) were detected. The photocatalysis of indigo-6,6-dicarboxylic acid gave aminoterephthalic acid and isatine-6-carboxylic acid as two main products. The quantitative analyses of reaction products were performed with UV/Vis and HPLC using chemical standards. A stoichiometric model and kinetic description of photocatalysis of sulfo and carboxy indigo dyes are suggested. The effect of hydroxide and carbonate anions on the rate of photocatalysis was also studied. (en)
Title	Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation (en)
skos:prefLabel	Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation Photocatalysis of Sulfo and Carboxy Derivatives of Indigo in a TiO2 Slurry with the Use of Polychromatic Irradiation (en)
skos:notation	RIV/67985858:_____/12:00381107!RIV13-GA0-67985858
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GA104/09/0694), S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šolcová, Olga
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 chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	158535
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/12:00381107
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	indigo derivatives; 2-amino-5-sulfobenzoic acid; aminoterephthalic acid; isatine derivatives; kinetic model of heterogeneous photocatalysis (en)
http://linked.open.../riv/klicoveSlovo	2-amino-5-sulfobenzoic acid aminoterephthalic acid indigo derivatives isatine derivatives kinetic model of heterogeneous photocatalysis
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B9E42F9D90DE]
http://linked.open...i/riv/nazevZdroje	Reaction Kinetics Mechanism and Catalysis
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced Photocatalytic Processes - Nanotechnology for Environmental
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	107
http://linked.open...iv/tvurceVysledku	Šolcová, Olga Tichý, L. Hrdina, R. Machalický, O. Tomica, M.
http://linked.open...ain/vavai/riv/wos	000308533000006
issn	1878-5190
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11144-012-0442-4

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