Lead detection using micro/nanocrystalline boron-doped diamond by square-wave anodic stripping voltammetry

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dc.contributor.authorArantes, Tatiane M.
dc.contributor.authorSardinha, Andre [UNIFESP]
dc.contributor.authorBaldan, Mauricio R.
dc.contributor.authorCristovan, Fernando H. [UNIFESP]
dc.contributor.authorFerreira, Neidenei G.
dc.contributor.institutionLAS INPE Natl Inst Space Res
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2016-01-24T14:37:58Z
dc.date.available2016-01-24T14:37:58Z
dc.date.issued2014-10-01
dc.description.abstractMonitoring heavy metal ion levels in water is essential for human health and safety. Electroanalytical techniques have presented important features to detect toxic trace heavy metals in the environment due to their high sensitivity associated with their easy operational procedures. Square-wave voltammetry is a powerful electrochemical technique that may be applied to both electrokinetic and analytical measurements, and the analysis of the characteristic parameters of this technique also enables the mechanism and kinetic evaluation of the electrochemical process under study. in this work, we present a complete optimized study on the heavy metal detection using diamond electrodes. It was analyzed the influence of the morphology characteristics as well as the doping level on micro/nanocrystalline boron-doped diamond films by means of square-wave anodic stripping voltammetry (SWASV) technique. the SWASV parameters were optimized for all films, considering that their kinetic response is dependent on the morphology and/or doping level. the films presented reversible results for the Lead [Pb (II)] system studied. the Pb (II) analysis was performed in ammonium acetate buffer at pH 4.5, varying the lead concentration in the range from 1 to 10 mu g L-1. the analytical responses were obtained for the four electrodes. However, the best low limit detection and reproducibility was found for boron doped nanocrystalline diamond electrodes (BDND) doped with 2000 mg L-1 in B/C ratio. (C) 2014 Elsevier B.V. All rights reserved.en
dc.description.affiliationLAS INPE Natl Inst Space Res, BR-12227010 Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUniversidade Federal de São Paulo, Inst Ciencia & Tecnol, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Inst Ciencia & Tecnol, Sao Jose Dos Campos, SP, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIDCNPq: 573797/2008-0
dc.description.sponsorshipIDFAPESP: 2008/57719-9
dc.description.sponsorshipIDFAPESP: 2012/00393-0
dc.format.extent132-140
dc.identifierhttp://dx.doi.org/10.1016/j.talanta.2014.04.074
dc.identifier.citationTalanta. Amsterdam: Elsevier B.V., v. 128, p. 132-140, 2014.
dc.identifier.doi10.1016/j.talanta.2014.04.074
dc.identifier.issn0039-9140
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/38298
dc.identifier.wosWOS:000340689500019
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofTalanta
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.rights.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.subjectBoron-doped diamonden
dc.subjectNanocrystalline diamonden
dc.subjectLeaden
dc.subjectHeavy metalsen
dc.subjectSquare-wave voltammetryen
dc.titleLead detection using micro/nanocrystalline boron-doped diamond by square-wave anodic stripping voltammetryen
dc.typeinfo:eu-repo/semantics/article
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