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| Registros recuperados : 4 | |
| 4. |  | PEREIRA, A. C. C.; AMARAL SOBRINHO, N. M. B. do; SAMPAIO JUNIOR, J.; OLIVEIRA, J. A.; SANTOS, F. S.; MAZUR, N. Comportamento da Cordia africana Lam. cultivada em solo contaminado por metais pesados e tratado com materiais amenizantes. Ciência Florestal, Santa Maria, v. 23, n. 3, p. 329-336, jul./set. 2013.| Biblioteca(s): Embrapa Florestas. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
15/10/2018 |
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Data da última atualização: |
15/10/2018 |
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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: |
MELO, T. O.; TOMASI, J. D. C.; PIRES, O. A. B.; MARQUES, F. A.; HANSEL, F. A. |
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Afiliação: |
Tamires O. Melo, Bolsista da Embrapa Florestas; Jéssica D. C. Tomasi, Bolsista da Embrapa Florestas; Osmar A. B. Pires, Bolsista da Embrapa Florestas; Francisco A. Marques, UFPR; FABRICIO AUGUSTO HANSEL, CNPF. |
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Título: |
Simultaneous pyrolysis and trimethylsilylation with N-methyl - (trimethylsilyl) trifluoroacetamide for the characterisation of lignocellulosic materials from kraft pulping. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Holzforschung, v. 72, n. 10, p. 851-862, Oct. 2018. |
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DOI: |
doi.org/10.1515/hf-2017-0193 |
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Idioma: |
Inglês |
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Conteúdo: |
Simultaneous pyrolysis and trimethylsilylation (SPyT) with N-methyl-(trimethylsilyl)trifluoroacetamide (MSTFA) was used to characterise lignocellulosic materials from pine and eucalyptus obtained by kraft pulping. This approach protects the carboxyl groups and helps preserve the original structure of phenolic products during analytical pyrolysis, and so that pyrolysis and derivatisation occur simultaneously and the fragments of underivatised compounds are also silylatated. The SPyT products are representative for the structures present in carbohydrates and lignin of the investigated materials. The method is also suited to semi-quantitative evaluation also in terms of detection of condensed lignin structures in pulps and kraft lignins. |
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Palavras-Chave: |
AMDIS; Automated mass spectral deconvolution and identification system; Derivatisation; Espectometria; Kováts retention index; Monomers; Silylation. |
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Thesagro: |
Biomassa; Cromatografia Gasosa. |
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Thesaurus NAL: |
Biomass; Gas chromatography; Mass spectrometry. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
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001 2097343
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008 2018 bl uuuu u00u1 u #d
024 7 $adoi.org/10.1515/hf-2017-0193$2DOI
100 1 $aMELO, T. O.
245 $aSimultaneous pyrolysis and trimethylsilylation with N-methyl - (trimethylsilyl) trifluoroacetamide for the characterisation of lignocellulosic materials from kraft pulping.$h[electronic resource]
260 $c2018
520 $aSimultaneous pyrolysis and trimethylsilylation (SPyT) with N-methyl-(trimethylsilyl)trifluoroacetamide (MSTFA) was used to characterise lignocellulosic materials from pine and eucalyptus obtained by kraft pulping. This approach protects the carboxyl groups and helps preserve the original structure of phenolic products during analytical pyrolysis, and so that pyrolysis and derivatisation occur simultaneously and the fragments of underivatised compounds are also silylatated. The SPyT products are representative for the structures present in carbohydrates and lignin of the investigated materials. The method is also suited to semi-quantitative evaluation also in terms of detection of condensed lignin structures in pulps and kraft lignins.
650 $aBiomass
650 $aGas chromatography
650 $aMass spectrometry
650 $aBiomassa
650 $aCromatografia Gasosa
653 $aAMDIS
653 $aAutomated mass spectral deconvolution and identification system
653 $aDerivatisation
653 $aEspectometria
653 $aKováts retention index
653 $aMonomers
653 $aSilylation
700 1 $aTOMASI, J. D. C.
700 1 $aPIRES, O. A. B.
700 1 $aMARQUES, F. A.
700 1 $aHANSEL, F. A.
773 $tHolzforschung$gv. 72, n. 10, p. 851-862, Oct. 2018.
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Embrapa Florestas (CNPF) |
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