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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
16/05/2005 |
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Data da última atualização: |
12/07/2011 |
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Autoria: |
CARDOSO, D. P.; SILVA, M. L. N.; CURI, N.; SÁFADI, T.; FONSECA, S.; FERREIRA, M. M.; MARTINS, S. G.; MARQUES, J. J. G. de S. e M. |
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Título: |
Erosão hídrica avaliada pela alteração na superfície do solo em sistemas florestais. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Scientia Forestalis, Piracicaba, n. 66, p. 25-37, dez. 2004. |
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Idioma: |
Português |
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Palavras-Chave: |
Mata nativ; Native forest; Perda de solo; Soil losses; Standard-plot. |
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Thesagro: |
Erosão Hídrica; Eucalipto. |
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Thesaurus Nal: |
Eucalyptus; water erosion. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00839naa a2200301 a 4500
001 1286843
005 2011-07-12
008 2004 bl uuuu u00u1 u #d
100 1 $aCARDOSO, D. P.
245 $aErosão hídrica avaliada pela alteração na superfície do solo em sistemas florestais.
260 $c2004
650 $aEucalyptus
650 $awater erosion
650 $aErosão Hídrica
650 $aEucalipto
653 $aMata nativ
653 $aNative forest
653 $aPerda de solo
653 $aSoil losses
653 $aStandard-plot
700 1 $aSILVA, M. L. N.
700 1 $aCURI, N.
700 1 $aSÁFADI, T.
700 1 $aFONSECA, S.
700 1 $aFERREIRA, M. M.
700 1 $aMARTINS, S. G.
700 1 $aMARQUES, J. J. G. de S. e M.
773 $tScientia Forestalis, Piracicaba$gn. 66, p. 25-37, dez. 2004.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste; Embrapa Solos. |
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Data corrente: |
14/11/2017 |
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Data da última atualização: |
21/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
BIANCHI, S. R.; AMARAL, C. D. B. do; SILVA, C. S. da; NOGUEIRA, A. R. de A. |
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Afiliação: |
SILMARA ROSSANA BIANCHI, CNPS; Clarice Dias Britto do Amaral, UFPR; Caroline Santos da Silva, UFSCar; ANA RITA DE ARAUJO NOGUEIRA, CPPSE. |
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Título: |
Determination of selenium in bovine semen by ICP-MS using formic acid for sample preparation. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of the Brazilian Chemical Society, v. 28, n. 12, p. 2357-2364, 2017. |
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DOI: |
http://dx.doi.org/10.21577/0103-5053.20170089 |
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Idioma: |
Inglês |
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Conteúdo: |
Determination of Se by inductively coupled plasma mass spectrometry (ICP-MS) can be difficult due to spectral interferences; however, these interferences can be eliminated by using collision-reaction interface (CRI) technology. A simple and fast procedure for determination of total Se concentration in bovine semen by ICP-MS after sample solubilization with diluted formic acid is here proposed. Formic acid caused an increase of up to 50% in selenium net signals and the maximum gain was obtained at 10% v v-1 formic acid solution. The optimized nebulizer gas flow rates were 1.05 and 0.95 L min-1, and radio frequency applied power were 1.3 and 1.4 kW without and with CRI, respectively. Microwave-assisted acid digestion was also implemented in the preparation of semen sample for comparison of results. No statistical differences between these sample preparation strategies at 95% confidence level (t-test) were observed for 76Se+ , 77Se+ , 78Se+ and 82Se+ without using CRI and 82Se+ with CRI. |
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Palavras-Chave: |
Bovine semen; Cattle fertility. |
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Thesaurus NAL: |
selenium. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/226231/1/Determination-of-selenium-in-bovine-semen-2017.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/166686/1/JBCSsemen2017.pdf
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Marc: |
LEADER 01676naa a2200205 a 4500
001 2134629
005 2021-09-21
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.21577/0103-5053.20170089$2DOI
100 1 $aBIANCHI, S. R.
245 $aDetermination of selenium in bovine semen by ICP-MS using formic acid for sample preparation.$h[electronic resource]
260 $c2017
520 $aDetermination of Se by inductively coupled plasma mass spectrometry (ICP-MS) can be difficult due to spectral interferences; however, these interferences can be eliminated by using collision-reaction interface (CRI) technology. A simple and fast procedure for determination of total Se concentration in bovine semen by ICP-MS after sample solubilization with diluted formic acid is here proposed. Formic acid caused an increase of up to 50% in selenium net signals and the maximum gain was obtained at 10% v v-1 formic acid solution. The optimized nebulizer gas flow rates were 1.05 and 0.95 L min-1, and radio frequency applied power were 1.3 and 1.4 kW without and with CRI, respectively. Microwave-assisted acid digestion was also implemented in the preparation of semen sample for comparison of results. No statistical differences between these sample preparation strategies at 95% confidence level (t-test) were observed for 76Se+ , 77Se+ , 78Se+ and 82Se+ without using CRI and 82Se+ with CRI.
650 $aselenium
653 $aBovine semen
653 $aCattle fertility
700 1 $aAMARAL, C. D. B. do
700 1 $aSILVA, C. S. da
700 1 $aNOGUEIRA, A. R. de A.
773 $tJournal of the Brazilian Chemical Society$gv. 28, n. 12, p. 2357-2364, 2017.
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Embrapa Solos (CNPS) |
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