Photoelectrochemical investigation of methylene blue immobilised on zirconium phosphate modified carbon paste electrode in flow injection system

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dc.contributor.authorDilgin, Y
dc.contributor.authorDursun, Z
dc.contributor.authorNisli, G
dc.contributor.authorGorton, L
dc.date.accessioned2019-10-27T18:57:29Z
dc.date.available2019-10-27T18:57:29Z
dc.date.issued2005
dc.departmentEge Üniversitesien_US
dc.description.abstractThe adsorption of methylene blue (MB) onto zirconium phosphate (ZrP) was studied and the adsorption capacity value and isotherms were determined. The adsorption capacity of ZrP was increased after being exposed to gas phase n-butyl amine. The adsorbed MB on ZrP was used as a modifier material in carbon paste electrode (MCPE), which in turn was used in voltammetric investigations and flow injection (FI) amperometric determination of ascorbic acid (AA). A quasi-reversible electrode reaction of adsorbed MB was exhibited. A home made flow-through electrochemical cell with a suitable transparent window for irradiation of the electrode surface was constructed and used for amperometric FI studies. The photoamperometric-FI conditions were optimised as 1.5 mL min(-1) flow rate, a 25 cm transmission tubing length, a 100 mu L injection volume, and a constant applied potential of +100 mV versus SCE. The calibration curve for AA was linear over the concentration range from 1.0 x 10(-6) to 4.0 x 10(-5) M. The relative standard deviation of four replicate injections of 3.0 x 10(-5) M AA was 1.2 %. The results obtained for AA determination in pharmaceutical products are in good agreement with those obtained using the procedure involving the reaction between triiodide and AA. (c) 2005 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.aca.2005.04.004
dc.identifier.endpage168en_US
dc.identifier.issn0003-2670
dc.identifier.issn0003-2670en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage162en_US
dc.identifier.urihttps://doi.org/10.1016/j.aca.2005.04.004
dc.identifier.urihttps://hdl.handle.net/11454/37311
dc.identifier.volume542en_US
dc.identifier.wosWOS:000229889400005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofAnalytica Chimica Actaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectflow injection analysisen_US
dc.subjectmodified electrodeen_US
dc.subjectphotoelectrocatalysisen_US
dc.subjectadsorption of methylene blueen_US
dc.subjectascorbic aciden_US
dc.subjectzirconium phosphateen_US
dc.titlePhotoelectrochemical investigation of methylene blue immobilised on zirconium phosphate modified carbon paste electrode in flow injection systemen_US
dc.typeArticleen_US

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