Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant

Detalhes bibliográficos
Autor(a) principal: Gaujac, Alain
Data de Publicação: 2008
Outros Autores: Emídio, Elissandro Soares, Navickiene, Sandro, Ferreira, Sergio Luis Costa, Dórea, Haroldo Silveira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/6084
Resumo: Acesso restrito: Texto completo. p. 99-104.
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spelling Gaujac, AlainEmídio, Elissandro SoaresNavickiene, SandroFerreira, Sergio Luis CostaDórea, Haroldo SilveiraGaujac, AlainEmídio, Elissandro SoaresNavickiene, SandroFerreira, Sergio Luis CostaDórea, Haroldo Silveira2012-06-06T17:17:05Z20080021-9673http://www.repositorio.ufba.br/ri/handle/ri/6084v. 1203, n. 1Acesso restrito: Texto completo. p. 99-104.A method based on solid-phase microextraction (SPME) and gas chromatography with flame ionization detection (GC-FID) has been optimized for the determination of benzene, toluene, ethylbenzene and xylenes (BTEX) in water released from a waste treatment plant. The extraction step was optimized using fractional factorial and centralcomposite designs including the following experimental factors: saline concentration; extraction time; desorption time; agitation velocity; headspace volume. A multiple function was used to describe the experimental conditions for simultaneous extraction of the compounds. The procedure, based on direct SPME at 50 ◦C, using a polydimethylsiloxane fiber, showed good linearity (r > 0.997 over a concentration range 2–200 gL−1) and repeatability (relative standard deviation (RSD) < 4.23%) for all compounds, with limits of detection ranging from 0.05 to 0.28 gL−1, and limits of quantification ranging from 0.14 to 0.84 gL−1. Concentrations of the target compounds in these sampleswere between 145.8 and 1891 gL−1.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-06-06T17:17:04Z No. of bitstreams: 1 __ac.els-cdn.com_S002196...2667f469d5e8f28ea0b7052bfaf08.pdf: 344799 bytes, checksum: 56147a43e3763e1f4839dc0777dfce2f (MD5)Made available in DSpace on 2012-06-06T17:17:05Z (GMT). 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dc.title.pt_BR.fl_str_mv Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
dc.title.alternative.pt_BR.fl_str_mv Journal of Chromatography A
title Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
spellingShingle Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
Gaujac, Alain
Factorial design
Central composite design
Solid-phase microextraction
Effluent
BTEX
GC-FID
title_short Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
title_full Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
title_fullStr Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
title_full_unstemmed Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
title_sort Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant
author Gaujac, Alain
author_facet Gaujac, Alain
Emídio, Elissandro Soares
Navickiene, Sandro
Ferreira, Sergio Luis Costa
Dórea, Haroldo Silveira
author_role author
author2 Emídio, Elissandro Soares
Navickiene, Sandro
Ferreira, Sergio Luis Costa
Dórea, Haroldo Silveira
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Gaujac, Alain
Emídio, Elissandro Soares
Navickiene, Sandro
Ferreira, Sergio Luis Costa
Dórea, Haroldo Silveira
Gaujac, Alain
Emídio, Elissandro Soares
Navickiene, Sandro
Ferreira, Sergio Luis Costa
Dórea, Haroldo Silveira
dc.subject.por.fl_str_mv Factorial design
Central composite design
Solid-phase microextraction
Effluent
BTEX
GC-FID
topic Factorial design
Central composite design
Solid-phase microextraction
Effluent
BTEX
GC-FID
description Acesso restrito: Texto completo. p. 99-104.
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2012-06-06T17:17:05Z
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/6084
dc.identifier.issn.none.fl_str_mv 0021-9673
dc.identifier.number.pt_BR.fl_str_mv v. 1203, n. 1
identifier_str_mv 0021-9673
v. 1203, n. 1
url http://www.repositorio.ufba.br/ri/handle/ri/6084
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/j.chroma.2008.06.022
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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instname_str Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
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