About: Protonation of methylene blue and its intercalation into montmorillonite.

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About: Protonation of methylene blue and its intercalation into montmorillonite. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The protonation of methylene blue (MB) was studied in variously acid aqueous solutions using Vis spectrophotometry. The cations of MB present in acid aqueous solutions, i.e. MB+, (MB+)n and MBH2+, were intercalated into Ca-montmorillonite (SAz-1). Adsorbed amounts of dye were evaluated by Vis spectrophotometry at two wavelengths; at 675 nm (monomeric form MB+) and at 748 nm (protonated form MBH2+). By this way two independent measurements of equilibrium dye concentration in acid aqueous solutions were obtained and used for the evaluation of the adsorbed amount of methylene blue into SAz-1. Adsorption curves determined in acid aqueous solutions consist of two separated steps whereas the adsorption curve determined in neutral aqueous solution has only one step. Intercalated MB/SAz-1 samples were studied using X-ray powder diffraction method and SEM. It was found that the first step of adsorption curve relates to ion exchange of MB cations with interlayer Ca2+ cations and the second one relates to MB ad The protonation of methylene blue (MB) was studied in variously acid aqueous solutions using Vis spectrophotometry. The cations of MB present in acid aqueous solutions, i.e. MB+, (MB+)n and MBH2+, were intercalated into Ca-montmorillonite (SAz-1). Adsorbed amounts of dye were evaluated by Vis spectrophotometry at two wavelengths; at 675 nm (monomeric form MB+) and at 748 nm (protonated form MBH2+). By this way two independent measurements of equilibrium dye concentration in acid aqueous solutions were obtained and used for the evaluation of the adsorbed amount of methylene blue into SAz-1. Adsorption curves determined in acid aqueous solutions consist of two separated steps whereas the adsorption curve determined in neutral aqueous solution has only one step. Intercalated MB/SAz-1 samples were studied using X-ray powder diffraction method and SEM. It was found that the first step of adsorption curve relates to ion exchange of MB cations with interlayer Ca2+ cations and the second one relates to MB ad (en)
Title	Protonation of methylene blue and its intercalation into montmorillonite. Protonation of methylene blue and its intercalation into montmorillonite. (en)
skos:prefLabel	Protonation of methylene blue and its intercalation into montmorillonite. Protonation of methylene blue and its intercalation into montmorillonite. (en)
skos:notation	RIV/61989100:27360/09:00022145!RIV10-MSM-27360___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/08/0869), Z(MSM6198910016)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Klika, Zdeněk Horáková, Petra
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	337316
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/09:00022145
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Protonated methylene blue; Intercalation; Montmorillonite (en)
http://linked.open.../riv/klicoveSlovo	Intercalation Montmorillonite Protonated methylene blue
http://linked.open...ontrolniKodProRIV	[0AA16CAB1808]
http://linked.open...v/mistoKonaniAkce	Smolenice
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	International doctoral seminar
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Clay minerals as host matrices for functional nanostructures
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Klika, Zdeněk Pustková, Petra Dudová, M.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-05-17 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	978-80-8096-088-9
http://localhost/t...ganizacniJednotka	27360

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