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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
17/11/2009 |
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Data da última atualização: |
15/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MATOS, W. O.; MENEZES, E. A.; GONZALEZ, M. H.; COSTA, L. M.; TREVIZAN, L. C.; NOGUEIRA, A. R. de A. |
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Afiliação: |
WLADIANA O. MATOS, UFSCar/SÃO CARLOS, SP; EVELINE A. MENEZES, UFSCar/SÃO CARLOS, SP; MARIO HENRIQUE GONZALEZ, UFSCar/SÃO CARLOS, SP; LETÍCIA M. COSTA, UFMG/BELO HORIZONTE; LILIAN C. TREVIZAN, UFMG/BELO HORIZONTE; ANA RITA DE ARAUJO NOGUEIRA, CPPSE. |
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Título: |
Partial microwave-assisted wet digestion of animal tissue using a baby-bottle sterilizer for analyte determination by inductively coupled plasma optical emission spectrometry. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Spectrochimica Acta Part B: Atomic Spectroscopy, v. 64, n. 6, p. 615-618, june 2009. |
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DOI: |
https://doi.org/10.1016/j.sab.2009.05.005 |
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Idioma: |
Inglês |
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Conteúdo: |
A procedure for partial digestion of bovine tissue is proposed using polytetrafluoroethylene (PTFE) micro-vessels inside a baby-bottle sterilizer under microwave radiation for multi-element determination by inductively coupled plasma optical emission spectrometry (ICP OES). Samples were directly weighed in laboratory-made polytetrafluoroethylene vessels. Nitric acid and hydrogen peroxide were added to the uncovered vessels, which were positioned inside the baby-bottle sterilizer, containing 500 mL of water. The hydrogen peroxide volume was fixed at 100 µL. The system was placed in a domestic microwave oven and partial digestion was carried out for the determination of Ca, Cu, Fe, Mg, Mn and Zn by inductively coupled plasma optical emission spectrometry. The single-vessel approach was used in the entire procedure, to minimize contamination in trace analysis. Better recoveries and lower residual carbon content (RCC) levels were obtained under the conditions established through a 24-1 fractional factorial design: 650 W microwave power, 7 min digestion time, 50 µL nitric acid and 50 mg sample mass. The digestion efficiency was ascertained according to the residual carbon content determined by inductively coupled plasma optical emission spectrometry. The accuracy of the proposed procedure was checked against two certified reference materials. |
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Palavras-Chave: |
Microwave assisted; Multielemental determination. |
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Thesaurus Nal: |
digestion; extraction; meat. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 02245naa a2200253 a 4500
001 1575070
005 2023-03-15
008 2009 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.sab.2009.05.005$2DOI
100 1 $aMATOS, W. O.
245 $aPartial microwave-assisted wet digestion of animal tissue using a baby-bottle sterilizer for analyte determination by inductively coupled plasma optical emission spectrometry.$h[electronic resource]
260 $c2009
520 $aA procedure for partial digestion of bovine tissue is proposed using polytetrafluoroethylene (PTFE) micro-vessels inside a baby-bottle sterilizer under microwave radiation for multi-element determination by inductively coupled plasma optical emission spectrometry (ICP OES). Samples were directly weighed in laboratory-made polytetrafluoroethylene vessels. Nitric acid and hydrogen peroxide were added to the uncovered vessels, which were positioned inside the baby-bottle sterilizer, containing 500 mL of water. The hydrogen peroxide volume was fixed at 100 µL. The system was placed in a domestic microwave oven and partial digestion was carried out for the determination of Ca, Cu, Fe, Mg, Mn and Zn by inductively coupled plasma optical emission spectrometry. The single-vessel approach was used in the entire procedure, to minimize contamination in trace analysis. Better recoveries and lower residual carbon content (RCC) levels were obtained under the conditions established through a 24-1 fractional factorial design: 650 W microwave power, 7 min digestion time, 50 µL nitric acid and 50 mg sample mass. The digestion efficiency was ascertained according to the residual carbon content determined by inductively coupled plasma optical emission spectrometry. The accuracy of the proposed procedure was checked against two certified reference materials.
650 $adigestion
650 $aextraction
650 $ameat
653 $aMicrowave assisted
653 $aMultielemental determination
700 1 $aMENEZES, E. A.
700 1 $aGONZALEZ, M. H.
700 1 $aCOSTA, L. M.
700 1 $aTREVIZAN, L. C.
700 1 $aNOGUEIRA, A. R. de A.
773 $tSpectrochimica Acta Part B: Atomic Spectroscopy$gv. 64, n. 6, p. 615-618, june 2009.
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Embrapa Pecuária Sudeste (CPPSE) |
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