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dc.creatorIlić, Milica
dc.creatorPetkovska, Menka
dc.creatorSeidel-Morgenstern, Andreas
dc.date.accessioned2021-03-10T11:05:14Z
dc.date.available2021-03-10T11:05:14Z
dc.date.issued2009
dc.identifier.issn0021-9673
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/1430
dc.description.abstractIn this work adsorption equilibria of binary mixtures are quantified analyzing the nonlinear frequency response of a chromatographic column. Local partial derivatives of an isotherm model can be estimated for certain steady-states from the low frequency asymptotes of the corresponding frequency response functions (FRFs). The required FRFs correspond to two different compounds and the type of the imposed inlet concentration changes, e.g. periodical inlet concentration changes of only one compound or of both of them. For an accurate determination of isotherm parameters, it is necessary to approach as close as possible the low frequency asymptotic behaviour of these functions. Based on principles valid for the FRFs Corresponding to the adsorption of a single solute, frequencies needed to reach the low frequency asymptotes of the functions of interest for estimating competitive isotherms are defined in this paper. The relation between the accuracy of the isotherm parameters determined and numbers and types of periodical inlet concentration changes and steady-states analyzed is also evaluated.en
dc.publisherElsevier, Amsterdam
dc.rightsrestrictedAccess
dc.sourceJournal of Chromatography A
dc.subjectAdsorption isothermsen
dc.subjectBinary mixtureen
dc.subjectLiquid chromatographyen
dc.subjectNonlinear frequency responseen
dc.subjectHarmonic analysisen
dc.subjectHigher order frequency response functionsen
dc.subjectNumerical analysisen
dc.titleDetermination of competitive adsorption isotherms applying the nonlinear frequency response method Part I. Theoretical analysisen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage6107
dc.citation.issue33
dc.citation.other1216(33): 6098-6107
dc.citation.rankaM21
dc.citation.spage6098
dc.citation.volume1216
dc.identifier.doi10.1016/j.chroma.2009.06.053
dc.identifier.pmid19586632
dc.identifier.scopus2-s2.0-67650736190
dc.identifier.wos000268907000003
dc.type.versionpublishedVersion


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