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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
03/10/2003 |
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Data da última atualização: |
03/10/2003 |
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Autoria: |
SOUZA, Z. M. de; ALVES, M. C. |
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Título: |
Movimento de água e resistência á penetração em um latossolo vermelho distráfico de cerrado, sob diferentes usos e manejos. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Revista Brasileira de Engenharia Agrícola e Ambiental, v.7, n.1, p.18-23, 2003. |
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Idioma: |
Português |
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Palavras-Chave: |
Condutividade hidraulica do solo saturado; Hydraulic conductivity of saturated soil; Infiltração de água no solo; Water infiltration in soil. |
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Thesagro: |
Manejo do Solo. |
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Thesaurus Nal: |
soil management. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00715naa a2200193 a 4500
001 1272827
005 2003-10-03
008 2003 bl uuuu u00u1 u #d
100 1 $aSOUZA, Z. M. de
245 $aMovimento de água e resistência á penetração em um latossolo vermelho distráfico de cerrado, sob diferentes usos e manejos.
260 $c2003
650 $asoil management
650 $aManejo do Solo
653 $aCondutividade hidraulica do solo saturado
653 $aHydraulic conductivity of saturated soil
653 $aInfiltração de água no solo
653 $aWater infiltration in soil
700 1 $aALVES, M. C.
773 $tRevista Brasileira de Engenharia Agrícola e Ambiental$gv.7, n.1, p.18-23, 2003.
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Registro original: |
Embrapa Algodão (CNPA) |
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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: |
04/10/2010 |
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Data da última atualização: |
30/06/2023 |
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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: |
PEREIRA, C. D.; GARCIA, E. E.; SILVA, F. V.; NOGUEIRA, A. R. de A.; NOBREGA, J. A. |
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Afiliação: |
CATARINIE D. PEREIRA,, UFSCar/SÃO CARLOS, SP; EDIVALDO E. GARCIA, UNIV. ESTADUAL DE MARINGÁ,MARINGÁ,PR.; FERNANDO V. SILVA, NESTLÉ DO BRASIL/SÃO PAULO; ANA RITA DE ARAUJO NOGUEIRA, CPPSE; JOAQUIM A. NOBREGA, UFSCar/SÃO CARLOS, SP. |
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Título: |
Behaviour of arsenic and selenium in an ICP-QMS with collision and reaction interface. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Journal of Analytical Atomic Spectrometry, |
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Idioma: |
Português |
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Conteúdo: |
The performance of a collision reaction interface (CRI) for minimization of spectral interferences on analytical signals of 75As+ and 76Se+, 77Se+, 78Se+, 80Se+ and 82Se+ isotopes was evaluated by using H2 and He gases introduced through the sampler or skimmer cones of an inductively coupled plasma quadrupole mass spectrometer (ICP-QMS). Different gas flow rates were tested employing reference solutions prepared either in hydrochloric acid or in water soluble tertiary amines (CFA-C) media as carbon source. A hydrogen gas flow rate at 60 mL min1 introduced through skimmer cone was effective for minimizing polyatomic interferences on 75As+ and Se isotopes, except for 80Se+. The use of He introduced through sampler or skimmer cones had a minor effect on the minimization of interferences when compared to the use of H2 gas. Moreover, it was observed that the gas introduction through the sampler cone had no effect on interferences when using gas flow rates up to 80 mL min1 for both gases evaluated. Based on these results, it can be recommended to use H2 gas introduced through skimmer cone of the CRI for correcting polyatomic interferences on 75As+ and Se isotopes in matrixes containing up to 2% v v1 chloride. |
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Palavras-Chave: |
ICP-QMS. |
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Thesaurus NAL: |
arsenic; selenium. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 01798naa a2200205 a 4500
001 1863510
005 2023-06-30
008 2010 bl uuuu u00u1 u #d
100 1 $aPEREIRA, C. D.
245 $aBehaviour of arsenic and selenium in an ICP-QMS with collision and reaction interface.$h[electronic resource]
260 $c2010
520 $aThe performance of a collision reaction interface (CRI) for minimization of spectral interferences on analytical signals of 75As+ and 76Se+, 77Se+, 78Se+, 80Se+ and 82Se+ isotopes was evaluated by using H2 and He gases introduced through the sampler or skimmer cones of an inductively coupled plasma quadrupole mass spectrometer (ICP-QMS). Different gas flow rates were tested employing reference solutions prepared either in hydrochloric acid or in water soluble tertiary amines (CFA-C) media as carbon source. A hydrogen gas flow rate at 60 mL min1 introduced through skimmer cone was effective for minimizing polyatomic interferences on 75As+ and Se isotopes, except for 80Se+. The use of He introduced through sampler or skimmer cones had a minor effect on the minimization of interferences when compared to the use of H2 gas. Moreover, it was observed that the gas introduction through the sampler cone had no effect on interferences when using gas flow rates up to 80 mL min1 for both gases evaluated. Based on these results, it can be recommended to use H2 gas introduced through skimmer cone of the CRI for correcting polyatomic interferences on 75As+ and Se isotopes in matrixes containing up to 2% v v1 chloride.
650 $aarsenic
650 $aselenium
653 $aICP-QMS
700 1 $aGARCIA, E. E.
700 1 $aSILVA, F. V.
700 1 $aNOGUEIRA, A. R. de A.
700 1 $aNOBREGA, J. A.
773 $tJournal of Analytical Atomic Spectrometry
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Embrapa Pecuária Sudeste (CPPSE) |
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