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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
16/12/2013 |
Data da última atualização: |
12/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
AMARAL, C. D. B.; DIONISIO, A. G. G.; SANTOS, M. C.; DONATI, G. L.; NÓBREGA, J. A.; NOGUEIRA, A. R. de A. |
Afiliação: |
CLARICE D. B. AMARAL, Federal University of São Carlos; AMALIA G. G. DIONISIO, Federal University of São Carlos; MIRIAN C. SANTOS, São Paulo State University; GEORGE L. DONATI, Federal University of São Carlos; JOAQUIM A. NOBREGA, Federal University of São Carlos; ANA RITA DE ARAUJO NOGUEIRA, CPPSE. |
Título: |
Evaluation of sample preparation procedures and krypton as an interference standard probe for arsenic speciation by HPLC-ICP-QMS. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Journal Analitical Atomic Spectrometry, v. 28, p. 1303-1310, 2013. |
DOI: |
https://doi.org/10.1039/C3JA50099C |
Idioma: |
Inglês |
Conteúdo: |
Different conditions of extraction using water, a methanol?water mixture and nitric acid solutions were evaluated for speciation of As(III), As(V), DMA and MMA in plant samples that previously received As(V) after being sown and emergence was investigated. Microwave-assisted extraction (MAE) using diluted nitric acid solutions was also performed for arsenic extraction from chicken feed samples. The separation and determination of arsenic species were performed using HPLC-ICP-MS. The interference standard method (IFS) using 83Kr+ as the IFS probe was employed to minimize spectral interferences caused by polyatomic species, such as 40Ar35Cl+. The extraction procedures tested presented adequate extraction efficiencies (90%), and the four arsenic species evaluated were found in plant samples. Extractions with diluted nitric acid solution at 90 °C were the most efficient strategy, with quantitative recoveries for all four As species in plant tissues. On the other hand, the methanol?water mixture was the solvent with the lowest extraction efficiency (50?60%). For chicken feed samples, MAE at 100 °C for 30 min resulted in an extraction efficiency of 97% and only As(V) was found, without any species interconversion. The IFS method contributed to improving precision and limits of detection and quantification for all tested extraction procedures. Significant improvements on accuracy were obtained by applying the IFS method and recoveries between 77 and 94%, and 82 and 93% were obtained for plant extracts and chicken feed samples, respectively. MenosDifferent conditions of extraction using water, a methanol?water mixture and nitric acid solutions were evaluated for speciation of As(III), As(V), DMA and MMA in plant samples that previously received As(V) after being sown and emergence was investigated. Microwave-assisted extraction (MAE) using diluted nitric acid solutions was also performed for arsenic extraction from chicken feed samples. The separation and determination of arsenic species were performed using HPLC-ICP-MS. The interference standard method (IFS) using 83Kr+ as the IFS probe was employed to minimize spectral interferences caused by polyatomic species, such as 40Ar35Cl+. The extraction procedures tested presented adequate extraction efficiencies (90%), and the four arsenic species evaluated were found in plant samples. Extractions with diluted nitric acid solution at 90 °C were the most efficient strategy, with quantitative recoveries for all four As species in plant tissues. On the other hand, the methanol?water mixture was the solvent with the lowest extraction efficiency (50?60%). For chicken feed samples, MAE at 100 °C for 30 min resulted in an extraction efficiency of 97% and only As(V) was found, without any species interconversion. The IFS method contributed to improving precision and limits of detection and quantification for all tested extraction procedures. Significant improvements on accuracy were obtained by applying the IFS method and recoveries between 77 and 94%, and 82 and 93% were obtaine... Mostrar Tudo |
Palavras-Chave: |
Arsenic specition; HPLC ICP QMS; Sample preparation. |
Thesaurus Nal: |
krypton. |
Categoria do assunto: |
W Química e Física |
Marc: |
LEADER 02349naa a2200241 a 4500 001 1974047 005 2023-05-12 008 2013 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1039/C3JA50099C$2DOI 100 1 $aAMARAL, C. D. B. 245 $aEvaluation of sample preparation procedures and krypton as an interference standard probe for arsenic speciation by HPLC-ICP-QMS.$h[electronic resource] 260 $c2013 520 $aDifferent conditions of extraction using water, a methanol?water mixture and nitric acid solutions were evaluated for speciation of As(III), As(V), DMA and MMA in plant samples that previously received As(V) after being sown and emergence was investigated. Microwave-assisted extraction (MAE) using diluted nitric acid solutions was also performed for arsenic extraction from chicken feed samples. The separation and determination of arsenic species were performed using HPLC-ICP-MS. The interference standard method (IFS) using 83Kr+ as the IFS probe was employed to minimize spectral interferences caused by polyatomic species, such as 40Ar35Cl+. The extraction procedures tested presented adequate extraction efficiencies (90%), and the four arsenic species evaluated were found in plant samples. Extractions with diluted nitric acid solution at 90 °C were the most efficient strategy, with quantitative recoveries for all four As species in plant tissues. On the other hand, the methanol?water mixture was the solvent with the lowest extraction efficiency (50?60%). For chicken feed samples, MAE at 100 °C for 30 min resulted in an extraction efficiency of 97% and only As(V) was found, without any species interconversion. The IFS method contributed to improving precision and limits of detection and quantification for all tested extraction procedures. Significant improvements on accuracy were obtained by applying the IFS method and recoveries between 77 and 94%, and 82 and 93% were obtained for plant extracts and chicken feed samples, respectively. 650 $akrypton 653 $aArsenic specition 653 $aHPLC ICP QMS 653 $aSample preparation 700 1 $aDIONISIO, A. G. G. 700 1 $aSANTOS, M. C. 700 1 $aDONATI, G. L. 700 1 $aNÓBREGA, J. A. 700 1 $aNOGUEIRA, A. R. de A. 773 $tJournal Analitical Atomic Spectrometry$gv. 28, p. 1303-1310, 2013.
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Registros recuperados : 15 | |
4. | | GROMBONI, C. F.; MATOS, W. O.; DONATI, G. L.; NEVES, E. A.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. Avaliação de alternativas para o tratamento de resíduo contendo cromo hexavalente. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE QUÍMICA, 29., 2006, Águas de Lindóia, SP. Anais... Águas de Lindóia: SBQ, 2006. 1 CD-ROM.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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5. | | GROMBONI, C. F.; MATOS, W. O.; DONATI, G. L.; NEVES, E. A.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. Avaliação de alternativas para o tratamento de resíduos contendo cromo Hexavalente. In: SIMPÓSIO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA PECUÁRIA SUDESTE, 2006, São Carlos, SP. Anais... São Carlos: Embrapa Pecuária Sudeste, 2006. (Documentos / Embrapa Pecuária Sudeste; 62).Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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8. | | ROSINI, F.; DONATI, G. L.; NASCENTES, C. C.; ARRUDA, M. A. Z.; NOGUEIRA, A. R. de A.; NÓBREGA, J. A. Espectrometria de absorção atômica com forno tubular na chama e aerossol térmico (TS_FF_AAS): comportamento dos elementos selênio e cobalto. In: CONGRESSO DE PÓS GRADUAÇÃO DA UNIVERSIDADE FEDERAL DE SÃO CARLOS, 3., 2005, São Carlos. Anais... São Carlos: UFSCar, 2005. v. 1. p. 1561-1562.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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9. | | DONATI, G. L.; NASCENTES, C. C.; NOGUEIRA, A. R. de A.; ARRUDA, M. A. Z.; NÓBREGA, J. A. Determinação de cobalto em amostras biológicas por espectrometria de absorção atômica com forno tubular na chama e aerossol térmico (TS-FF-AAS). In: ENCONTRO NACIONAL DE QUÍMICA ANALÍTICA, 13.; CONGRESSO ÍBERO - AMERICANO DE QUÍMICA ANALÍTICA, 2005, Niterói, RJ. Anais... Niterói: BENQ, 2005. 1 CD-ROM.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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10. | | AMARAL, C. D. B.; PESSOA, A. G. G.; SANTOS, M. C.; DONATI, G. L.; NÓBREGA, J. A.; NOGUEIRA, A. R. de A. Avaliação de diferentes preparos de amostra para especiação de arsênio em tecido vegetal por HPLC-ICP-MS com o emprego de padronização interna com espécie poliatômica. In: ENCONTRO NACIONAL DE QUÍMICA ANALÍTICA, 16., 2011, Campos de Jordão. Anais... Campos de Jordão: SBQ, 2011.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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13. | | MARCANO DE HIGUERA, J.; SILVA, A. B. S. da; HENRIQUE, W.; ESTEVES, S. N.; BARIONI JUNIOR, W.; DONATI, G. L.; NOGUEIRA, A. R. de A. Effect of genetic crossing and nutritional management on the mineral composition of carcass, blood, leather, and viscera of sheep. Biological Trace Element Research, jan. 2021. p.4133-4144.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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14. | | PESSOA, A. G. G.; AMARAL, C. D. do; SANTOS, M. C. dos; DONATI, G. L.; NÓBREGA, J. A.; NOGUEIRA, A. R. de A. Emprego de extração assistida por radiação micro-ondas e padrão de interferência para especiação de arsênio por HPLC-ICP-MS. In: ENCONTRO NACIONAL DE QUÍMICA ANALÍTICA, 16., 2011, Campos de Jordão. Anais... Campos de Jordão: SBQ, 2011.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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15. | | MACHADO, R. C.; SILVA, A. B. S. da; ANDRADE, D. F. de; PINHEIRO, F. C.; WILLIAMS, C. B.; DONATI, G. L.; NOGUEIRA, A. R. de A.; PEREIRA FILHO, E. R. Alternative approaches applied to inductively coupled plasma techniques: multi-flow and two-flow calibration. Journal of the Brazilian Chemical Society, v.32, n.4, 2021. p.842-851.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Pecuária Sudeste. |
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Registros recuperados : 15 | |
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