Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure

Detalhes bibliográficos
Autor(a) principal: Teixeira, Leonardo Sena Gomes
Data de Publicação: 2009
Outros Autores: Chaves, Thaise J., Guimarães, Paulo R. B., Pontes, Luiz Antônio Magalhães, Teixeira, Josanaide Sant'Ana Ribeiro
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/13207
Resumo: Texto completo: acesso restrito. p. 29-32
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spelling Teixeira, Leonardo Sena GomesChaves, Thaise J.Guimarães, Paulo R. B.Pontes, Luiz Antônio MagalhãesTeixeira, Josanaide Sant'Ana RibeiroTeixeira, Leonardo Sena GomesChaves, Thaise J.Guimarães, Paulo R. B.Pontes, Luiz Antônio MagalhãesTeixeira, Josanaide Sant'Ana Ribeiro2013-10-14T12:28:30Z20090003-2670http://www.repositorio.ufba.br/ri/handle/ri/13207v. 640, n. 1-2Texto completo: acesso restrito. p. 29-32This paper proposes an alternative analytical method using energy dispersive X-ray fluorescence (EDXRF) to determine chloride and sulfate ions in ethanol fuel samples after precipitation procedure. The preconcentration methodology involved the precipitation of the analytes as silver chloride and barium sulfate followed by filtration through a paper filter, which demonstrated to be a convenient substrate for EDXRF measurements. The elements were determined directly on the filters using silver and barium lines for the indirect determination of chloride and sulfate ions, respectively. The precisions calculated from 20 consecutive measurements and defined as the coefficient of variation of standard solutions containing 1.0 μg mL−1 of Cl− and SO42− were 7.3% and 5.9%, respectively. The limits of detection (LOD), defined as the analyte concentration that gives a response equivalent to three times the standard deviation of the blank (n = 10), were found to be 25 μg L−1 and 30 μg L−1 for Cl− and SO42−, respectively. The proposed method was applied to chloride and sulfate ions determination in hydrated ethanol fuel samples collected from different gas stations.Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2013-10-14T12:28:30Z No. of bitstreams: 1 1-s2.0-S0003267009004413-main.pdf: 480379 bytes, checksum: 4a4144c02845b08a7d04428b0d766a1f (MD5)Made available in DSpace on 2013-10-14T12:28:30Z (GMT). No. of bitstreams: 1 1-s2.0-S0003267009004413-main.pdf: 480379 bytes, checksum: 4a4144c02845b08a7d04428b0d766a1f (MD5) Previous issue date: 2009http://dx.doi.org/10.1016/j.aca.2009.03.032reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAEthanol fuelEnergy dispersive X-ray fluorescenceChlorideSulfatePrecipitationIndirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedureAnalytica Chimica Actainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01enginfo:eu-repo/semantics/openAccessORIGINAL1-s2.0-S0003267009004413-main.pdf1-s2.0-S0003267009004413-main.pdfapplication/pdf480379https://repositorio.ufba.br/bitstream/ri/13207/1/1-s2.0-S0003267009004413-main.pdf4a4144c02845b08a7d04428b0d766a1fMD51LICENSElicense.txtlicense.txttext/plain1365https://repositorio.ufba.br/bitstream/ri/13207/2/license.txt5371a150bdc863f78dcf39281543bd86MD52TEXT1-s2.0-S0003267009004413-main.pdf.txt1-s2.0-S0003267009004413-main.pdf.txtExtracted texttext/plain21418https://repositorio.ufba.br/bitstream/ri/13207/3/1-s2.0-S0003267009004413-main.pdf.txt732371d8e7c5d689722404c26fe17ffbMD53ri/132072022-07-05 14:02:54.717oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:02:54Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
dc.title.alternative.pt_BR.fl_str_mv Analytica Chimica Acta
title Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
spellingShingle Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
Teixeira, Leonardo Sena Gomes
Ethanol fuel
Energy dispersive X-ray fluorescence
Chloride
Sulfate
Precipitation
title_short Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
title_full Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
title_fullStr Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
title_full_unstemmed Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
title_sort Indirect determination of chloride and sulfate ions in ethanol fuel by X-ray fluorescence after a precipitation procedure
author Teixeira, Leonardo Sena Gomes
author_facet Teixeira, Leonardo Sena Gomes
Chaves, Thaise J.
Guimarães, Paulo R. B.
Pontes, Luiz Antônio Magalhães
Teixeira, Josanaide Sant'Ana Ribeiro
author_role author
author2 Chaves, Thaise J.
Guimarães, Paulo R. B.
Pontes, Luiz Antônio Magalhães
Teixeira, Josanaide Sant'Ana Ribeiro
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Teixeira, Leonardo Sena Gomes
Chaves, Thaise J.
Guimarães, Paulo R. B.
Pontes, Luiz Antônio Magalhães
Teixeira, Josanaide Sant'Ana Ribeiro
Teixeira, Leonardo Sena Gomes
Chaves, Thaise J.
Guimarães, Paulo R. B.
Pontes, Luiz Antônio Magalhães
Teixeira, Josanaide Sant'Ana Ribeiro
dc.subject.por.fl_str_mv Ethanol fuel
Energy dispersive X-ray fluorescence
Chloride
Sulfate
Precipitation
topic Ethanol fuel
Energy dispersive X-ray fluorescence
Chloride
Sulfate
Precipitation
description Texto completo: acesso restrito. p. 29-32
publishDate 2009
dc.date.issued.fl_str_mv 2009
dc.date.accessioned.fl_str_mv 2013-10-14T12:28:30Z
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/13207
dc.identifier.issn.none.fl_str_mv 0003-2670
dc.identifier.number.pt_BR.fl_str_mv v. 640, n. 1-2
identifier_str_mv 0003-2670
v. 640, n. 1-2
url http://www.repositorio.ufba.br/ri/handle/ri/13207
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.aca.2009.03.032
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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instacron:UFBA
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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