Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2007 |
| Outros Autores: | , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da UFBA |
| Texto Completo: | http://repositorio.ufba.br/ri/handle/ri/14350 |
Resumo: | Texto completo: acesso restrito. p. 77-80 |
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Portugal, Lindomar AndradeFerreira, Hadla S.Santos, Walter Nei Lopes dosFerreira, Sergio Luis CostaPortugal, Lindomar AndradeFerreira, Hadla S.Santos, Walter Nei Lopes dosFerreira, Sergio Luis Costa2014-01-14T11:34:46Z20070026-265Xhttp://repositorio.ufba.br/ri/handle/ri/14350v. 87, n. 1Texto completo: acesso restrito. p. 77-80In this paper is proposed a simultaneous pre-concentration procedure using cloud point extraction for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry. The ligand used is 2-(2-thiazolylazo)-p-cresol (TAC) and the micellar phase is obtained using non-ionic surfactant octylphenoxypolyethoxyethanol (Triton X-114) and centrifugation. The optimization step was performed using two-level factorial design and Doehlert design. A multiple response function was established in order to get experimental conditions for simultaneous extraction of cadmium and lead. The method allows the determination of cadmium and lead with detection limits of 0.077 μg L− 1 and 1.05 μg L− 1 respectively, precision expressed as relative standard deviation (RSD) of 1.5 and 3.3% (n = 10) for cadmium concentrations of 30 μg L− 1 and 50 μg L− 1, respectively, and RSD of 1.8% and 2.7% for lead concentrations of 30 μg L− 1 and 50 μg L− 1, respectively. The accuracy was confirmed by analysis of a certified reference material of natural water. This method was applied for the determination of cadmium and lead in drinking water samples collected in Jaguaquara City, Brazil. Tests of addition/recovery were also performed for some samples and results varied from 95 to 104% for cadmium and 96 to 107% for lead. The cadmium and lead concentrations found in these samples were always lower than the permissible maximum levels stipulated by Brazilian Health Organization.Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2014-01-14T11:34:46Z No. of bitstreams: 1 1-s2.0-S0026265X07000744-main.pdf: 136430 bytes, checksum: ecaf8a80fe9a0841a965cafe9b8dc112 (MD5)Made available in DSpace on 2014-01-14T11:34:46Z (GMT). No. of bitstreams: 1 1-s2.0-S0026265X07000744-main.pdf: 136430 bytes, checksum: ecaf8a80fe9a0841a965cafe9b8dc112 (MD5) Previous issue date: 2007http://dx.doi.org/10.1016/j.microc.2007.05.008reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBASimultaneous pre-concentration procedureDetermination of cadmium leadDrinking water samplesSequential multi-element flame atomic absorption spectrometryCloud point extractionSimultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometryMicrochemical Journalinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINAL1-s2.0-S0026265X07000744-main.pdf1-s2.0-S0026265X07000744-main.pdfapplication/pdf136430https://repositorio.ufba.br/bitstream/ri/14350/1/1-s2.0-S0026265X07000744-main.pdfecaf8a80fe9a0841a965cafe9b8dc112MD51LICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/14350/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52TEXT1-s2.0-S0026265X07000744-main.pdf.txt1-s2.0-S0026265X07000744-main.pdf.txtExtracted texttext/plain18381https://repositorio.ufba.br/bitstream/ri/14350/3/1-s2.0-S0026265X07000744-main.pdf.txtfeda0a57c18a9e7d752f40ad52f299d5MD53ri/143502022-08-08 13:19:56.161oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-08-08T16:19:56Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
| dc.title.pt_BR.fl_str_mv |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| dc.title.alternative.pt_BR.fl_str_mv |
Microchemical Journal |
| title |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| spellingShingle |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry Portugal, Lindomar Andrade Simultaneous pre-concentration procedure Determination of cadmium lead Drinking water samples Sequential multi-element flame atomic absorption spectrometry Cloud point extraction |
| title_short |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| title_full |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| title_fullStr |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| title_full_unstemmed |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| title_sort |
Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry |
| author |
Portugal, Lindomar Andrade |
| author_facet |
Portugal, Lindomar Andrade Ferreira, Hadla S. Santos, Walter Nei Lopes dos Ferreira, Sergio Luis Costa |
| author_role |
author |
| author2 |
Ferreira, Hadla S. Santos, Walter Nei Lopes dos Ferreira, Sergio Luis Costa |
| author2_role |
author author author |
| dc.contributor.author.fl_str_mv |
Portugal, Lindomar Andrade Ferreira, Hadla S. Santos, Walter Nei Lopes dos Ferreira, Sergio Luis Costa Portugal, Lindomar Andrade Ferreira, Hadla S. Santos, Walter Nei Lopes dos Ferreira, Sergio Luis Costa |
| dc.subject.por.fl_str_mv |
Simultaneous pre-concentration procedure Determination of cadmium lead Drinking water samples Sequential multi-element flame atomic absorption spectrometry Cloud point extraction |
| topic |
Simultaneous pre-concentration procedure Determination of cadmium lead Drinking water samples Sequential multi-element flame atomic absorption spectrometry Cloud point extraction |
| description |
Texto completo: acesso restrito. p. 77-80 |
| publishDate |
2007 |
| dc.date.issued.fl_str_mv |
2007 |
| dc.date.accessioned.fl_str_mv |
2014-01-14T11:34:46Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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http://repositorio.ufba.br/ri/handle/ri/14350 |
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0026-265X |
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v. 87, n. 1 |
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0026-265X v. 87, n. 1 |
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http://repositorio.ufba.br/ri/handle/ri/14350 |
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eng |
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http://dx.doi.org/10.1016/j.microc.2007.05.008 |
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