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dc.contributor.authorFreitas, Patrícia Antônio de Menezes
dc.contributor.authorIha, Koshun
dc.contributor.authorSuárez-Iha, Maria Encarnación Vazquez
dc.date.accessioned2024-10-15T21:07:36Z
dc.date.available2024-10-15T21:07:36Z
dc.date.issued2007
dc.identifier.issn0021-9797
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-33847044809&doi=10.1016%2fj.jcis.2006.11.031&partnerID=40&md5=1a1dc7a2a93e4737b7979a5b713fe690
dc.identifier.urihttps://repositorio.maua.br/handle/MAUA/1169
dc.description.abstractThe kinetics of DPKSH (di-2-pyridylketone salicyloylhydrazone) adsorption onto silica gel has been investigated at (25 ± 1) ° C and pH 1 and 4.7. The kinetics of adsorption of DPKSH is discussed using three kinetic models, the first-order Lagergren model, the pseudo-second-order model, and the intraparticle diffusion model. The adsorption of DPKSH, at pH 1 and 4.7, onto silica gel proceeds according to the pseudo-second-order model and the correlation coefficients were very close to 1. The intraparticle diffusion of DPKSH molecules within the silica gel particles was identified as the rate-limiting step. The parameters of the pseudo-second-order model are qmax, calc = 1.02 × 10-4 and 1.5 × 10-4   g DPKSH/g silica; k2 = 3.01 × 104 and 9.67 × 104   h-1 g silica/g DPKSH, respectively, for pH 1 and 4.7. © 2006 Elsevier Inc. All rights reserved.en
dc.description.sponsorshipCNPq
dc.description.sponsorshipFAPESP
dc.languageInglêspt_BR
dc.publisherAcademic Press Inc.en
dc.relation.ispartofJournal of Colloid and Interface Science
dc.rightsAcesso Restrito
dc.sourceScopusen
dc.subjectAdsorptionen
dc.subjectDPKSHen
dc.subjectKinetic modelsen
dc.subjectSilica gelen
dc.subjectDiffusionen
dc.subjectMolecular structureen
dc.subjectReaction kineticsen
dc.subjectdi 2 pyridylketone salicyloylhydrazoneen
dc.subjecthydrazone derivativeen
dc.subjectsilica gelen
dc.subjectunclassified drugen
dc.subjectDi-2-pyridylketone salicyloylhydrazone (DPKSH)en
dc.subjectIntraparticle diffusionen
dc.subjectarticleen
dc.subjectcorrelation coefficienten
dc.subjectdiffusionen
dc.subjectkineticsen
dc.subjectpHen
dc.subjectpriority journalen
dc.subjectKetonesen
dc.titleKinetic modeling of adsorption of di-2-pyridylketone salicyloylhydrazone on silica gelen
dc.typeArtigo de Periódicopt_BR
dc.identifier.doi10.1016/j.jcis.2006.11.031
dc.description.affiliationInstituto de Química, Universidade de São Paulo, CEP 05513-970 São Paulo, SP, Caixa Postal 26077, Brazil
dc.description.affiliationInstituto Mauá de Tecnologia, Escola de Engenharia Mauá, São Caetano do Sul, SP, Brazil
dc.description.affiliationDepartamento de Química, Instituto Tecnológico de Aeronáutica-CTA, São José dos Campos, SP, Brazil
dc.description.affiliationCentro de Ciências e Humanidades, Universidade Presbiteriana Mackenzie, São Paulo, SP, Brazil
dc.identifier.scopus2-s2.0-33847044809
dc.citation.issue1
dc.citation.epage28
dc.citation.spage24
dc.citation.volume307


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