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| Registros recuperados : 22 | |
| 8. |  | MACHADO, R. C.; AMARAL, C. D. B. do; NOBREGA, J. de A.; NOGUEIRA, A. R. de A. Multielemental determination of As, Bi, Ge, Sb, and Sn in agricultural samples using hydride generation coupled to microwave-induced plasma optical emission spectrometry. Journal of Agricultural and Food Chemistry, v. 65, n. 23, p. 4839-4842, 2017.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 13. | | AMARAL, C. D. B. do; MACHADO, R. C.; BARROS, J. A. V. de A.; VIRGILIO, A.; SCHIAVO, D.; NOGUEIRA, A. R. de A.; NOBREGA, J. de A. Determination of rare earth elements in geological and agricultural samples by ICP-OES. Espectroscopy, v. 32, n. 10, p. 2-6, 2017.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 14. | | AMARAL, C. D. B. do; MACHADO, R. C.; BARROS, J. A. V. de A.; VIRGILIO, A.; SCHIAVO, D.; NOGUEIRA, A. R. de A.; NOBREGA, J. de A. Determination of rare earth elements in geological samples using the agilent SVDV ICP-OES. In: WINTER CONFERENCE ON PLASMA SPECTROCHEMISTRY, 2016, Tucson, Arizona. Proceedings... Tucson, Arizona: Winter Conference on Plasma Spectrochemistry, 2016. 5p.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 15. | | NOGUEIRA, A. R. de A.; MORAES, D. P.; FLORES, E. M. de M.; KRUG, F. J.; KNAPP, G.; NÓBREGA, J. de A.; BARIN, J. S.; MESKO, M. F. Decomposições assistidas por radiação microondas. In: KRUG, F. J. (Ed.). Métodos de preparo de amostras: fundamentos sobre preparo de amostras orgânicas e inorgânicas para análise elementar. Piracicaba, 2008. p. 276-325.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 16. | | AMARAL, C. D. B. do; SCHIAVO, D.; BARROS, J. A. V. de A.; MACHADO, R. C.; NOGUEIRA, A. R. de A.; NOBREGA, J. de A. Characterization of synchronous vertical dual view inductively coupled plasma optical emission spectrometry with application for water analysis. Analytical Letters, v. 49, n. 13, p. 1-7, 2016.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 17. | | AMARAL, C. D. B. do; MACHADO, R. C.; VIRGILIO, A.; SCHIAVO, D.; NOGUEIRA, A. R. de A.; NOBREGA, J. de A. Critical evaluation of internal standardization in ICP tandem mass spectrometry and feasibility of the oxygen reaction for boron determination in plants. In: Journal of Analytical Atomic Spectrometry, v.31, issue 6, p. 1179-1184, 2016| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 18. | | BOSSU, C. M.; CAZO, N. A.; SOUZA, G. B. de; BARIONI JUNIOR, W.; NOBREGA, J. de A.; NOGUEIRA, A. R. de A. Estudo da estabilidade à curto prazo da forrageira Brachiaria brizantha como um candidato a material de referência. In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 4., 2012, São Carlos, SP. Anais... São Carlos: Embrapa Instrumentação: Embrapa Pecuária Sudeste, 2012. p. 104. (Embrapa Instrumentação. Documentos, 56).| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 19. | | RIBEIRO, S. A. O.; SILVA, C. S.; FIALHO, L. L.; NOGUEIRA, A. R. de A.; NÓBREGA, J. de A.; GARCIA, E. E. Estudo do fracionamento de elementos potencialmente tóxicos em infusões de erva-mate verde e tostada. In: ENCONTRO NACIONAL DE QUÍMICA ANALÍTICA, 19., 2018, Caldas Novas, GO; CONGRESSO IBEROAMERICANO DE QUÍMICA ANALÍTICA, 7., Caldas Novas, GO. Anais... Caldas Novas,GO: ENQA; CIAQA, 2018. p.304.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 20. | | MACHADO, R. C.; VIRGILIO, A.; AMARAL, C. D. B. do; SCHIAVO, D.; NOBREGA, J. de A.; NOGUEIRA, A. R. de A. Evaluation of inductively coupled plasma tandem mass spectrometry for determination of as in agricultural inputs with high REE contents. Journal of the Brazilian Chemical Society, v. 27, n. 11, p. 2076-2081, 2016.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 22 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
01/09/2017 |
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Data da última atualização: |
13/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
MACHADO, R. C.; AMARAL, C. D. B. do; NOBREGA, J. de A.; NOGUEIRA, A. R. de A. |
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Afiliação: |
Raquel Cardoso Machado, UFSCAR; Clarice Dias Britto do Amaral, UFPR; Joaquim de Araújo Nobrega, UFSCar; ANA RITA DE ARAUJO NOGUEIRA, CPPSE. |
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Título: |
Multielemental determination of As, Bi, Ge, Sb, and Sn in agricultural samples using hydride generation coupled to microwave-induced plasma optical emission spectrometry. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Agricultural and Food Chemistry, v. 65, n. 23, p. 4839-4842, 2017. |
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DOI: |
10.1021/acs.jafc.7b01448 |
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Idioma: |
Inglês |
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Conteúdo: |
A microwave-induced plasma optical emission spectrometer with N2-based plasma was combined with a multimode sample introduction system (MSIS) for hydride generation (HG) and multielemental determination of As, Bi, Ge, Sb, and Sn in samples of forage, bovine liver, powdered milk, agricultural gypsum, rice, and mineral fertilizer, using a single condition of prereduction and reduction. The accuracy of the developed analytical method was evaluated using certified reference materials of water and mineral fertilizer, and recoveries ranged from 95 to 106%. Addition and recovery experiments were carried out, and the recoveries varied from 85 to 117% for all samples evaluated. The limits of detection for As, Bi, Ge, Sb, and Sn were 0.46, 0.09, 0.19, 0.46, and 5.2 μg/L, respectively, for liquid samples, and 0.18, 0.04, 0.08, 0.19, and 2.1 mg/kg, respectively, for solid samples. The method proposed offers a simple, fast, multielemental, and robust alternative for successful determination of all five analytes in agricultural samples with low operational cost without compromising analytical performance. |
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Palavras-Chave: |
Microwave-induced plasm; Nitrogen plasma; Simultaneous hydride generation. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 01882naa a2200205 a 4500
001 2074823
005 2017-11-13
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1021/acs.jafc.7b01448$2DOI
100 1 $aMACHADO, R. C.
245 $aMultielemental determination of As, Bi, Ge, Sb, and Sn in agricultural samples using hydride generation coupled to microwave-induced plasma optical emission spectrometry.$h[electronic resource]
260 $c2017
520 $aA microwave-induced plasma optical emission spectrometer with N2-based plasma was combined with a multimode sample introduction system (MSIS) for hydride generation (HG) and multielemental determination of As, Bi, Ge, Sb, and Sn in samples of forage, bovine liver, powdered milk, agricultural gypsum, rice, and mineral fertilizer, using a single condition of prereduction and reduction. The accuracy of the developed analytical method was evaluated using certified reference materials of water and mineral fertilizer, and recoveries ranged from 95 to 106%. Addition and recovery experiments were carried out, and the recoveries varied from 85 to 117% for all samples evaluated. The limits of detection for As, Bi, Ge, Sb, and Sn were 0.46, 0.09, 0.19, 0.46, and 5.2 μg/L, respectively, for liquid samples, and 0.18, 0.04, 0.08, 0.19, and 2.1 mg/kg, respectively, for solid samples. The method proposed offers a simple, fast, multielemental, and robust alternative for successful determination of all five analytes in agricultural samples with low operational cost without compromising analytical performance.
653 $aMicrowave-induced plasm
653 $aNitrogen plasma
653 $aSimultaneous hydride generation
700 1 $aAMARAL, C. D. B. do
700 1 $aNOBREGA, J. de A.
700 1 $aNOGUEIRA, A. R. de A.
773 $tJournal of Agricultural and Food Chemistry$gv. 65, n. 23, p. 4839-4842, 2017.
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