Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0003-2670(01)01396-4
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dc.titleDifferential pulse voltammetric determination of trace Te(IV) at a poly(3,3′-diaminobenzidine) film modified gold electrode in flow systems
dc.contributor.authorKhoo, S.B.
dc.contributor.authorYe, R.
dc.date.accessioned2014-10-16T08:26:03Z
dc.date.available2014-10-16T08:26:03Z
dc.date.issued2002-02-25
dc.identifier.citationKhoo, S.B., Ye, R. (2002-02-25). Differential pulse voltammetric determination of trace Te(IV) at a poly(3,3′-diaminobenzidine) film modified gold electrode in flow systems. Analytica Chimica Acta 453 (2) : 209-220. ScholarBank@NUS Repository. https://doi.org/10.1016/S0003-2670(01)01396-4
dc.identifier.issn00032670
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93588
dc.description.abstractElectropolymerization of 3,3′-diaminobenzidine on a gold surface gave an adherent, stable film of poly(3,3′-diaminobenzidine) (PDAB). This polymer film retained the complexational functionalities of its monomer, demonstrating preconcentration abilities for several ions, including Se(IV) and Te(IV). In particular, in this work, continuous flow and flow injection methods were developed for the sensitive and selective determination of Te(IV). The optimized method for the continuous flow mode had a detection limit of 5.6 × 10-9 moll-1 for 10min preconcentration. Typical relative standard deviations for six consecutive determinations were 1.82 and 2.56% for Te(IV) concentrations of 1.0 × 10-6 and 5.0 × 10-8 moll-1, respectively (10min preconcentration). The method was applied to the determination of Te(IV) in real samples. © 2002 Elsevier Science B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0003-2670(01)01396-4
dc.sourceScopus
dc.subjectDifferential pulse anodic voltammetry
dc.subjectFlow methods
dc.subjectGold electrode
dc.subjectMedium exchange
dc.subjectPoly(3,3′-diaminobenzidine) film
dc.subjectTrace tellurium determination
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/S0003-2670(01)01396-4
dc.description.sourcetitleAnalytica Chimica Acta
dc.description.volume453
dc.description.issue2
dc.description.page209-220
dc.description.codenACACA
dc.identifier.isiut000173946300006
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