Construction of an anion-selective electrode: Dichromate-selective electrode

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dc.contributor.authorErtueruen, H. Elif Kormali
dc.contributor.authorYılmaz, Mustafa
dc.contributor.authorKılıç, Esma
dc.date.accessioned2020-03-26T17:17:09Z
dc.date.available2020-03-26T17:17:09Z
dc.date.issued2007
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe construction, performance and application of dichromate-selective PVC membrane electrodes based on 5,11,17,23-tetra-tert-butyl-25,27,-bis-(isoniazidylcarbonylmethoxy)-26,28-dihydroxycalix[4]arene are reported in this study. An optimum membrane composition of 2% ionophore, 68.3 mol% plasticizer, 29.7 mol% PVC and 60 mol% lipophilic additive with respect to the ionophere is found for the proposed electrodes. The influences of the plasticizer, polimer, lipophilic additives, pH of test solutions, internal filling solutions and thickness of membrane on the potentiometric response of electrodes are investigated. The electrode exhibits linear response of the dichromate ions in the concentration range of 1.0 x 10(-1) to 1.0 x 10(-7) M with 4.3 x 10(-8) M detection limit at pH 1.0. The slope of the calibration curve is 41.5 +/- 0.2 mV/decade. The proposed electrode shows good selectivity for dichromate ions in presence of some metal cations and anions. The electrode has a response time about 15-20 s and it can be used at least for 14 months with good reproducibility and repeatibility. The redox titrations involving dichromate as a titrant are monitored with the sensor, and iron(II) in pharmaceutical preperations is determined. (c) 2007 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.snb.2007.05.003en_US
dc.identifier.endpage504en_US
dc.identifier.issn0925-4005en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage497en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.snb.2007.05.003
dc.identifier.urihttps://hdl.handle.net/20.500.12395/21287
dc.identifier.volume127en_US
dc.identifier.wosWOS:000251228600028en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE SAen_US
dc.relation.ispartofSENSORS AND ACTUATORS B-CHEMICALen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectdichromateen_US
dc.subjection-selective electrodeen_US
dc.subjectcalix[4]areneen_US
dc.subjectpotentiometryen_US
dc.titleConstruction of an anion-selective electrode: Dichromate-selective electrodeen_US
dc.typeArticleen_US

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