Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques

Detalhes bibliográficos
Autor(a) principal: Osugi,Marly E.
Data de Publicação: 2003
Outros Autores: Carneiro,Patrícia A., Zanoni,Maria Valnice B.
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=S0103-50532003000400025
Resumo: Turquoise blue 15 (AT15) is a reactive dye widely used in the textile industry to color natural fibers. The presence of these dyes in effluent and industrial wastewater is of considerable interest due ecotoxicological and environmental problems. The electrochemical reduction of this dye has been investigated in aqueous solution using cyclic voltammetry, controlled potential electrolysis and cathodic stripping voltammetry. Optimum conditions for dye discoloration by controlled potential electrolysis use an alkaline medium. Using cathodic stripping voltammetry a linear calibration graph was obtained from 5.00x10-8 mol L-1 to 1.00x10-6 mol L-1 of AT15 at pH 4.0, using accumulation times of 180 and 240 s and an accumulation potential of 0.0 V. The proposed method was applied in direct determination of the dye in tap water and in textile industry effluent.
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spelling Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniquesTurquoise Blue 15reduction of phthalocyaninesreactive dyeselectroanalysisTurquoise blue 15 (AT15) is a reactive dye widely used in the textile industry to color natural fibers. The presence of these dyes in effluent and industrial wastewater is of considerable interest due ecotoxicological and environmental problems. The electrochemical reduction of this dye has been investigated in aqueous solution using cyclic voltammetry, controlled potential electrolysis and cathodic stripping voltammetry. Optimum conditions for dye discoloration by controlled potential electrolysis use an alkaline medium. Using cathodic stripping voltammetry a linear calibration graph was obtained from 5.00x10-8 mol L-1 to 1.00x10-6 mol L-1 of AT15 at pH 4.0, using accumulation times of 180 and 240 s and an accumulation potential of 0.0 V. The proposed method was applied in direct determination of the dye in tap water and in textile industry effluent.Sociedade Brasileira de Química2003-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532003000400025Journal of the Brazilian Chemical Society v.14 n.4 2003reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50532003000400025info:eu-repo/semantics/openAccessOsugi,Marly E.Carneiro,Patrícia A.Zanoni,Maria Valnice B.eng2003-09-15T00:00:00Zoai:scielo:S0103-50532003000400025Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2003-09-15T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
title Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
spellingShingle Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
Osugi,Marly E.
Turquoise Blue 15
reduction of phthalocyanines
reactive dyes
electroanalysis
title_short Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
title_full Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
title_fullStr Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
title_full_unstemmed Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
title_sort Determination of the phthalocyanine textile dye, reactive turquoise blue, by electrochemical techniques
author Osugi,Marly E.
author_facet Osugi,Marly E.
Carneiro,Patrícia A.
Zanoni,Maria Valnice B.
author_role author
author2 Carneiro,Patrícia A.
Zanoni,Maria Valnice B.
author2_role author
author
dc.contributor.author.fl_str_mv Osugi,Marly E.
Carneiro,Patrícia A.
Zanoni,Maria Valnice B.
dc.subject.por.fl_str_mv Turquoise Blue 15
reduction of phthalocyanines
reactive dyes
electroanalysis
topic Turquoise Blue 15
reduction of phthalocyanines
reactive dyes
electroanalysis
description Turquoise blue 15 (AT15) is a reactive dye widely used in the textile industry to color natural fibers. The presence of these dyes in effluent and industrial wastewater is of considerable interest due ecotoxicological and environmental problems. The electrochemical reduction of this dye has been investigated in aqueous solution using cyclic voltammetry, controlled potential electrolysis and cathodic stripping voltammetry. Optimum conditions for dye discoloration by controlled potential electrolysis use an alkaline medium. Using cathodic stripping voltammetry a linear calibration graph was obtained from 5.00x10-8 mol L-1 to 1.00x10-6 mol L-1 of AT15 at pH 4.0, using accumulation times of 180 and 240 s and an accumulation potential of 0.0 V. The proposed method was applied in direct determination of the dye in tap water and in textile industry effluent.
publishDate 2003
dc.date.none.fl_str_mv 2003-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532003000400025
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532003000400025
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0103-50532003000400025
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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.14 n.4 2003
reponame:Journal of the Brazilian Chemical Society (Online)
instname:Sociedade Brasileira de Química (SBQ)
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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
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