Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters

Detalhes bibliográficos
Autor(a) principal: Castilho, Ivan N. B.
Data de Publicação: 2012
Outros Autores: Welz, Bernhard, Andrade, Jailson Bittencourt de, Smichowski, Patricia, Shaltout, Abdallah A., Colares, Lígia, Carasek, Eduardo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/15706
Resumo: Texto completo: acesso restrito. p. 689–695
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spelling Castilho, Ivan N. B.Welz, BernhardAndrade, Jailson Bittencourt deSmichowski, PatriciaShaltout, Abdallah A.Colares, LígiaCarasek, EduardoCastilho, Ivan N. B.Welz, BernhardAndrade, Jailson Bittencourt deSmichowski, PatriciaShaltout, Abdallah A.Colares, LígiaCarasek, Eduardo2014-08-26T13:18:20Z20120039-9140http://repositorio.ufba.br/ri/handle/ri/15706v. 88 n. 15Texto completo: acesso restrito. p. 689–695Three different procedures for sample preparation have been compared for the determination of Cu, Mo and Sb in airborne particulate matter (APM) collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GF AAS). Direct solid sample analysis of the ground filters was compared with microwave-assisted acid leaching with aqua regia and ultrasound-assisted extraction also using aqua regia. The main absorption line at 324.754 nm or the secondary line at 216.509 nm was used for the determination of Cu, depending on the analyte content in the samples. The primary absorption line at 313.259 nm was used for Mo and the secondary line at 212.739 nm for Sb determination. The limits of detection (LOD, 3σ) found for the direct solid sampling method, based on ten atomizations of an unused filter were 15 μg g−1 for all three analytes, corresponding to 40 ng m−3 for a typical air volume of 1440 m3 collected over a period of 24 h. The LOD for the other two methods were less than a factor of two inferior, but the total time required for an analysis was significantly longer. The repeatability of the measurements was between 3 and 9% (n = 5), and the results obtained with the three methods did not show any significant difference. The ratio between the three analytes on the filters from areas of intense traffic was found to be around Cu:Mo:Sb ≈ 4:1:1.4, which suggests that the source of all three elements is brake linings, i.e., related to automobile traffic. When the ratio deviated significantly from the above values, the source of contamination was assumed to be of different origin.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-08-26T13:18:20Z No. of bitstreams: 1 Ivan N. B. Castilho.pdf: 640964 bytes, checksum: edb31b9272154c687c42d94bf6df5120 (MD5)Made available in DSpace on 2014-08-26T13:18:20Z (GMT). No. of bitstreams: 1 Ivan N. B. Castilho.pdf: 640964 bytes, checksum: edb31b9272154c687c42d94bf6df5120 (MD5) Previous issue date: 2012http://dx.doi.org/ 10.1016/j.talanta.2011.11.066reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAHigh-resolution continuum source AASTraffic-related elementsGlass fiber filtersDirect solid samplingComparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filtersTalantainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINALIvan N. B. Castilho.pdfIvan N. B. Castilho.pdfapplication/pdf640964https://repositorio.ufba.br/bitstream/ri/15706/1/Ivan%20N.%20B.%20Castilho.pdfedb31b9272154c687c42d94bf6df5120MD51LICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/15706/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52TEXTIvan N. B. 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dc.title.pt_BR.fl_str_mv Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
dc.title.alternative.pt_BR.fl_str_mv Talanta
title Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
spellingShingle Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
Castilho, Ivan N. B.
High-resolution continuum source AAS
Traffic-related elements
Glass fiber filters
Direct solid sampling
title_short Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
title_full Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
title_fullStr Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
title_full_unstemmed Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
title_sort Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters
author Castilho, Ivan N. B.
author_facet Castilho, Ivan N. B.
Welz, Bernhard
Andrade, Jailson Bittencourt de
Smichowski, Patricia
Shaltout, Abdallah A.
Colares, Lígia
Carasek, Eduardo
author_role author
author2 Welz, Bernhard
Andrade, Jailson Bittencourt de
Smichowski, Patricia
Shaltout, Abdallah A.
Colares, Lígia
Carasek, Eduardo
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Castilho, Ivan N. B.
Welz, Bernhard
Andrade, Jailson Bittencourt de
Smichowski, Patricia
Shaltout, Abdallah A.
Colares, Lígia
Carasek, Eduardo
Castilho, Ivan N. B.
Welz, Bernhard
Andrade, Jailson Bittencourt de
Smichowski, Patricia
Shaltout, Abdallah A.
Colares, Lígia
Carasek, Eduardo
dc.subject.por.fl_str_mv High-resolution continuum source AAS
Traffic-related elements
Glass fiber filters
Direct solid sampling
topic High-resolution continuum source AAS
Traffic-related elements
Glass fiber filters
Direct solid sampling
description Texto completo: acesso restrito. p. 689–695
publishDate 2012
dc.date.issued.fl_str_mv 2012
dc.date.accessioned.fl_str_mv 2014-08-26T13:18:20Z
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://repositorio.ufba.br/ri/handle/ri/15706
dc.identifier.issn.none.fl_str_mv 0039-9140
dc.identifier.number.pt_BR.fl_str_mv v. 88 n. 15
identifier_str_mv 0039-9140
v. 88 n. 15
url http://repositorio.ufba.br/ri/handle/ri/15706
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.talanta.2011.11.066
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