Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Journal of the Brazilian Chemical Society (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532008000500022 |
Resumo: | In the present paper a method for the determination of Cu in human hair and water samples by differential pulse anodic stripping voltammetry is presented. It has been proven that pyrrole electropolymerizes in present of Nitroso-R as dopant anion. Nitroso-R doped in polypyrrole film coated on platinum surface then reacts with Cu(II) in neutral pHs giving rise to a complex. This complexation between Nitroso-R and Cu(II) achieves the accumulation of Cu(II) from the sample solutions to the electrode surface at open circuit condition. The resulting electrode with complexed Cu(II) can then transfer to an acetate buffer and subject to anodic stripping voltammetry which promotes the appearance of a peak at +0.08 V. After the evaluation of the analytical performance a calibration graph was constructed from 1.2 to 243.9 ng mL-1 and the detection limit was 0.7 ng mL-1. The method was used for determination of copper ions in water and human hair samples. The results indicate the ability of method for the determination of this ion in real samples. Also, the rapid and convenient regeneration of electrode allows the use of a single modified electrode in multiple analyses. |
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Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-RpolypyrroleNitroso-Rcopperstripping analysisIn the present paper a method for the determination of Cu in human hair and water samples by differential pulse anodic stripping voltammetry is presented. It has been proven that pyrrole electropolymerizes in present of Nitroso-R as dopant anion. Nitroso-R doped in polypyrrole film coated on platinum surface then reacts with Cu(II) in neutral pHs giving rise to a complex. This complexation between Nitroso-R and Cu(II) achieves the accumulation of Cu(II) from the sample solutions to the electrode surface at open circuit condition. The resulting electrode with complexed Cu(II) can then transfer to an acetate buffer and subject to anodic stripping voltammetry which promotes the appearance of a peak at +0.08 V. After the evaluation of the analytical performance a calibration graph was constructed from 1.2 to 243.9 ng mL-1 and the detection limit was 0.7 ng mL-1. The method was used for determination of copper ions in water and human hair samples. The results indicate the ability of method for the determination of this ion in real samples. Also, the rapid and convenient regeneration of electrode allows the use of a single modified electrode in multiple analyses.Sociedade Brasileira de Química2008-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532008000500022Journal of the Brazilian Chemical Society v.19 n.5 2008reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50532008000500022info:eu-repo/semantics/openAccessMohadesi,AlirezaSalmanipour,AshrafMohammadi,Sayed ZiaePourhatami,AliTaher,Mohammad Alieng2008-08-05T00:00:00Zoai:scielo:S0103-50532008000500022Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2008-08-05T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
title |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
spellingShingle |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R Mohadesi,Alireza polypyrrole Nitroso-R copper stripping analysis |
title_short |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
title_full |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
title_fullStr |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
title_full_unstemmed |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
title_sort |
Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R |
author |
Mohadesi,Alireza |
author_facet |
Mohadesi,Alireza Salmanipour,Ashraf Mohammadi,Sayed Ziae Pourhatami,Ali Taher,Mohammad Ali |
author_role |
author |
author2 |
Salmanipour,Ashraf Mohammadi,Sayed Ziae Pourhatami,Ali Taher,Mohammad Ali |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Mohadesi,Alireza Salmanipour,Ashraf Mohammadi,Sayed Ziae Pourhatami,Ali Taher,Mohammad Ali |
dc.subject.por.fl_str_mv |
polypyrrole Nitroso-R copper stripping analysis |
topic |
polypyrrole Nitroso-R copper stripping analysis |
description |
In the present paper a method for the determination of Cu in human hair and water samples by differential pulse anodic stripping voltammetry is presented. It has been proven that pyrrole electropolymerizes in present of Nitroso-R as dopant anion. Nitroso-R doped in polypyrrole film coated on platinum surface then reacts with Cu(II) in neutral pHs giving rise to a complex. This complexation between Nitroso-R and Cu(II) achieves the accumulation of Cu(II) from the sample solutions to the electrode surface at open circuit condition. The resulting electrode with complexed Cu(II) can then transfer to an acetate buffer and subject to anodic stripping voltammetry which promotes the appearance of a peak at +0.08 V. After the evaluation of the analytical performance a calibration graph was constructed from 1.2 to 243.9 ng mL-1 and the detection limit was 0.7 ng mL-1. The method was used for determination of copper ions in water and human hair samples. The results indicate the ability of method for the determination of this ion in real samples. Also, the rapid and convenient regeneration of electrode allows the use of a single modified electrode in multiple analyses. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532008000500022 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532008000500022 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0103-50532008000500022 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
dc.source.none.fl_str_mv |
Journal of the Brazilian Chemical Society v.19 n.5 2008 reponame:Journal of the Brazilian Chemical Society (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Journal of the Brazilian Chemical Society (Online) |
collection |
Journal of the Brazilian Chemical Society (Online) |
repository.name.fl_str_mv |
Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
||office@jbcs.sbq.org.br |
_version_ |
1750318169017286656 |