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Structural characterization of chitosan-smectite nanocomposite and its application in the development of a novel potentiometric monohydrogen phosphate-selective sensor

ArticleAçık Erişim

Özet

Chitosan-smectite biocomposite was prepared by intercalation of protonated chitosan molecules into the interlayer space of smectite in monolayer arrangement through cation exchange mechanism and the obtained biocomposite was successfully used as an electroactive component in the structure of a PVC membrane potentiometric sensor for the direct and highly selective determination of monohydrogen phosphate ions. The comparative elemental, structural, thermal and morphological analysis of starting-smectite, neat chitosan and chitosan-smectite were investigated by utilizing EDX, XRD, ATR-FTIR, TG/DTG/DTA, SEM and surface area measurement techniques. The optimum membrane composition, detection limit, response time, pH working range and repeatability of the proposed electrode were determined. © 2017 Elsevier Ltd

Anahtar Kelimeler

ChitosanClayCompositeMonohydrogen phosphatePotentiometric sensorChitinComposite materialsPotentiometers (electric measuring instruments)Potentiometric sensorsCation-exchange mechanismElectroactive componentsMembrane compositionMorphological analysisProtonated chitosanSelective determinationStructural characterizationSurface area measurement
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Tam Kayıt
AlanDeğerDil
dc.contributor.authorTopcu, Cihan
dc.contributor.authorCaglar, Bulent
dc.contributor.authorOnder, Ahmet
dc.contributor.authorColdur, Fatih
dc.contributor.authorCaglar, Sema
dc.contributor.authorGuner, Eda Keles
dc.contributor.authorCubuk, Osman
dc.contributor.authorTabak, Ahmet
dc.date.accessioned2026-10-18T20:29:07.301532097Z
dc.date.available2026-10-18T20:29:07.301532097Z
dc.date.issued2018
dc.description.abstractChitosan-smectite biocomposite was prepared by intercalation of protonated chitosan molecules into the interlayer space of smectite in monolayer arrangement through cation exchange mechanism and the obtained biocomposite was successfully used as an electroactive component in the structure of a PVC membrane potentiometric sensor for the direct and highly selective determination of monohydrogen phosphate ions. The comparative elemental, structural, thermal and morphological analysis of starting-smectite, neat chitosan and chitosan-smectite were investigated by utilizing EDX, XRD, ATR-FTIR, TG/DTG/DTA, SEM and surface area measurement techniques. The optimum membrane composition, detection limit, response time, pH working range and repeatability of the proposed electrode were determined. © 2017 Elsevier Ltd
dc.identifier.doi10.1016/j.materresbull.2017.09.068
dc.identifier.eissn1873-4227
dc.identifier.endpage299
dc.identifier.issn0025-5408
dc.identifier.scopus2-s2.0-85032683837
dc.identifier.startpage288
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/14317
dc.identifier.volume98
dc.identifier.wosWOS:000418221900041
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofMaterials Research Bulletin
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectChitosan
dc.subjectClay
dc.subjectComposite
dc.subjectMonohydrogen phosphate
dc.subjectPotentiometric sensor
dc.subjectChitin
dc.subjectComposite materials
dc.subjectPotentiometers (electric measuring instruments)
dc.subjectPotentiometric sensors
dc.subjectCation-exchange mechanism
dc.subjectElectroactive components
dc.subjectMembrane composition
dc.subjectMorphological analysis
dc.subjectProtonated chitosan
dc.subjectSelective determination
dc.subjectStructural characterization
dc.subjectSurface area measurement
dc.titleStructural characterization of chitosan-smectite nanocomposite and its application in the development of a novel potentiometric monohydrogen phosphate-selective sensor
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus56
rdl.citation.wos48
rdl.oa.statusgreen
rdl.source.indexSCOPUS
rdl.source.indexWOS
rdl.wos.indexScience Citation Index Expanded (SCI-EXPANDED)