Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper

Detalhes bibliográficos
Autor(a) principal: Farias, Pércio Augusto Mardini
Data de Publicação: 1993
Outros Autores: Ohara, Aniy K., Takase, Iracema, Ferreira, Sergio Luis Costa, Gold, Jon S.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/8645
Resumo: Texto completo: acesso restrito. p.209–215
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spelling Farias, Pércio Augusto MardiniOhara, Aniy K.Takase, IracemaFerreira, Sergio Luis CostaGold, Jon S.Farias, Pércio Augusto MardiniOhara, Aniy K.Takase, IracemaFerreira, Sergio Luis CostaGold, Jon S.2013-02-22T13:33:29Z19930003-2670http://www.repositorio.ufba.br/ri/handle/ri/8645v. 271, n. 2Texto completo: acesso restrito. p.209–215An electrochemical stripping procedure for trace measurements of vanadium is described in which preconcentration is achieved by the adsorption of a vanadium-2-(2′-thiazolylaloz)-p-cresol complex on a static mercury drop electrode. Cyclic voltammetry was used to characterize the interfacial and redox behavior. Optimum experimental conditions were found to be the use of a stirred acetate buffer (pH 4.2) solution with a 2-(2′-thiazolylazo)-p-cresol concentration of 1.0 × 10−5 M, a preconcentration potential of 0.00 V, a scan rate of 100 mV s−1 and a linear scan mode. The response is linear over the concentration range 5–30 μg V5+ 1−1. For a 5-min preconcentration time, the detection limit is 3.9 nM. Possible interferences by anions and other trace metals were investigated. Sequential determination of copper with vanadium is possible. The method was applied to the analysis of mineral water.Submitted by Suelen Reis (suelen_suzane@hotmail.com) on 2013-02-22T13:33:29Z No. of bitstreams: 1 Farias 01.pdf: 604756 bytes, checksum: 4827c595dc2c04171b42447bd784f0c0 (MD5)Made available in DSpace on 2013-02-22T13:33:29Z (GMT). No. of bitstreams: 1 Farias 01.pdf: 604756 bytes, checksum: 4827c595dc2c04171b42447bd784f0c0 (MD5) Previous issue date: 1993http://dx.doi.org/10.1016/0003-2670(93)80047-Oreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAStripping voltammetryVoltammetryAdsorptionCopperPreconcentrationVanachumWatersAdsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copperAnalytica Chimica Actainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINALFarias 01.pdfFarias 01.pdfapplication/pdf604756https://repositorio.ufba.br/bitstream/ri/8645/1/Farias%2001.pdf4827c595dc2c04171b42447bd784f0c0MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/8645/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXTFarias 01.pdf.txtFarias 01.pdf.txtExtracted texttext/plain22101https://repositorio.ufba.br/bitstream/ri/8645/3/Farias%2001.pdf.txtbb04254e97b818df82fd52d18be010b9MD53ri/86452022-07-05 14:03:43.381oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:43Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
dc.title.alternative.pt_BR.fl_str_mv Analytica Chimica Acta
title Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
spellingShingle Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
Farias, Pércio Augusto Mardini
Stripping voltammetry
Voltammetry
Adsorption
Copper
Preconcentration
Vanachum
Waters
title_short Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
title_full Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
title_fullStr Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
title_full_unstemmed Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
title_sort Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copper
author Farias, Pércio Augusto Mardini
author_facet Farias, Pércio Augusto Mardini
Ohara, Aniy K.
Takase, Iracema
Ferreira, Sergio Luis Costa
Gold, Jon S.
author_role author
author2 Ohara, Aniy K.
Takase, Iracema
Ferreira, Sergio Luis Costa
Gold, Jon S.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Farias, Pércio Augusto Mardini
Ohara, Aniy K.
Takase, Iracema
Ferreira, Sergio Luis Costa
Gold, Jon S.
Farias, Pércio Augusto Mardini
Ohara, Aniy K.
Takase, Iracema
Ferreira, Sergio Luis Costa
Gold, Jon S.
dc.subject.por.fl_str_mv Stripping voltammetry
Voltammetry
Adsorption
Copper
Preconcentration
Vanachum
Waters
topic Stripping voltammetry
Voltammetry
Adsorption
Copper
Preconcentration
Vanachum
Waters
description Texto completo: acesso restrito. p.209–215
publishDate 1993
dc.date.issued.fl_str_mv 1993
dc.date.accessioned.fl_str_mv 2013-02-22T13:33:29Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/8645
dc.identifier.issn.none.fl_str_mv 0003-2670
dc.identifier.number.pt_BR.fl_str_mv v. 271, n. 2
identifier_str_mv 0003-2670
v. 271, n. 2
url http://www.repositorio.ufba.br/ri/handle/ri/8645
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/0003-2670(93)80047-O
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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