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dc.contributor.authorFilik, Hayati
dc.contributor.authorYanaz, Zeynep
dc.contributor.authorApak, Resat
dc.date.accessioned2021-03-03T13:18:08Z
dc.date.available2021-03-03T13:18:08Z
dc.date.issued2010
dc.identifier.citationYanaz Z., Filik H., Apak R., "Development of an optical fibre reflectance sensor for lead detection based on immobilised arsenazo III", SENSORS AND ACTUATORS B-CHEMICAL, cilt.147, sa.1, ss.15-22, 2010
dc.identifier.issn0925-4005
dc.identifier.otherav_333827cc-4f69-4fd7-bf9c-56a3584c69d6
dc.identifier.othervv_1032021
dc.identifier.urihttp://hdl.handle.net/20.500.12627/38712
dc.identifier.urihttps://doi.org/10.1016/j.snb.2009.12.024
dc.description.abstractA fibre-optic sensor based on the use of 2,7-bis(2-arsenophenylazo) 1,8-dihydroxynaphthalene-3,6-disulphonic acid, commonly called Arsenazo III (ASA III) immobilized onto XAD-16, has been developed for the rapid reflectance spectrometric determination of lead (II). The measurements were carried out at a wavelength of 664.6 nm since it yielded the largest divergence different in reflectance spectra before and after reaction with the analyte element. The sensor was found to have an optimum response at pH 5.0 with respective measurement repeatability and probe-to-probe reproducibility of 0.23% and 2.3%. The dynamic working response of Pb(II) was found within the concentration range of 0.2-20.7 ppm, with a LOD of 0.01 ppm. The tolerance limits of coexisting ions were also investigated. The sensor can easily be regenerated by immersion in 0.1 mol/L HNO3. The proposed sensor was applied to the determination of Pb(II) in commercial gasoline after wet ashing of sample with satisfactory results. (c) 2010 Elsevier B.V. All rights reserved.
dc.language.isoeng
dc.subjectFizikokimya
dc.subjectElektrokimya
dc.subjectTemel Bilimler
dc.subjectMühendislik ve Teknoloji
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectAnalitik Kimya
dc.subjectMühendislik
dc.subjectALETLER & GÖSTERİM
dc.subjectELEKTROKİMYA
dc.subjectTemel Bilimler (SCI)
dc.subjectKimya
dc.subjectKİMYA, ANALİTİK
dc.titleDevelopment of an optical fibre reflectance sensor for lead detection based on immobilised arsenazo III
dc.typeMakale
dc.relation.journalSENSORS AND ACTUATORS B-CHEMICAL
dc.contributor.departmentİstanbul Üniversitesi , ,
dc.identifier.volume147
dc.identifier.issue1
dc.identifier.startpage15
dc.identifier.endpage22
dc.contributor.firstauthorID15470


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