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dc.contributor.authorPustková, Petra
dc.contributor.authorKlika, Zdeněk
dc.contributor.authorPreclíková, J.
dc.contributor.authorGrygar, T. M.
dc.date.accessioned2011-04-13T08:06:10Z
dc.date.available2011-04-13T08:06:10Z
dc.date.issued2011
dc.identifier.citationClay Minerals . 2011, vol. 46, no. 1, p. 93-103.en
dc.identifier.issn0009-8558
dc.identifier.issn1471-8030
dc.identifier.urihttp://hdl.handle.net/10084/84500
dc.description.abstractThe aggregation of three cationic dyes (CD), crystal violet (CV), Nile blue (NB) and rhodamine B (RB) in aqueous solution was studied by visible absorption spectrophotometry and compared with methylene blue (MB). The distribution of the dye species (monomers, dimers, trimers, and tetramers) in aqueous solutions with different concentrations of dye was calculated using equilibrium stepwise aggregation constants Kn. These cationic dyes were intercalated into montmorillonite (SAz-1) and its reduced charge form (RC-SAz(210)) prepared by heating lithium montmorillonite (Li/SAz-1) at 210ºC. The fluorescence of fully saturated CD/SAz and low-CD loaded CD/RC-SAz(210) complexes was studied. Visible absorption spectra of CD aqueous solutions and visible absorption spectra and X-ray diffraction patterns (d001) of the CD/SAz and CD/RCSAz(210) solid complexes were obtained and evaluated. Large fluorescence intensities were found for CV/RC-SAz(210) and NB/RC-SAz(210) complexes in the same way as for the complex of methylene blue with reduced-charge montmorillonite MB/RCM(210) described previously.en
dc.format.extent1021696 bytescs
dc.format.mimetypeapplication/pdfcs
dc.language.isoenen
dc.publisherMineralogical Societyen
dc.relation.ispartofseriesClay Mineralsen
dc.relation.urihttp://dx.doi.org/10.1180/claymin.2011.046.1.93en
dc.subjectcationic dyeen
dc.subjectcrystal violeten
dc.subjectnile blueen
dc.subjectrhodamine ben
dc.subjectreduced-charge montmorilloniteen
dc.subjectvisible spectrophotometryen
dc.subjectfluorescenceen
dc.titleEnhanced fluorescence of selected cationic dyes adsorbed on reduced-charge montmorilloniteen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.doi10.1180/claymin.2011.046.1.93
dc.rights.accessopenAccess
dc.type.versionsubmittedVersion
dc.identifier.wos000288539700007


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