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6. | | TOMASI, J. de C.; DEGENHARDT-GOLDBACH, J.; GRUNENNVALDT, R. L.; MELO, T. O. de; HANSEL, F. A.; QUOIRIN, M. Identificação de metabólitos polares em gemas de erva mate (Ilex paraguariensis). In: SIMPÓSIO INTERNACIONAL SOBRE BIOTECNOLOGIA FLORESTAL PARA AGRICULTURA FAMILIAR, 2015, Foz do Iguaçu. Anais. Colombo: Embrapa Florestas, 2015. p. 125-126. (Embrapa Florestas. Documentos, 280). Resumo. Biblioteca(s): Embrapa Florestas. |
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7. | | TOMASI, J. C.; DEGENHARDT-GOLDBACH, J.; HANSEL, F. A.; GRUNENNVALDT, R. L.; MELO, T. O. de; QUOIRIN, M. Determinação de metabólitos polares de gemas de erva-mate. In: SEMINÁRIO ERVA-MATE XXI: Modernização no cultivo e diversificação do uso da erva-mate, 2016, Curitiba. Anais. Colombo: Embrapa Florestas, 2016. p. 70. (Embrapa Florestas. Documentos, 298). Resumo. Biblioteca(s): Embrapa Florestas. |
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10. | | MELO, T. O.; FRANCISCON, L.; BROWN, G. G.; KOPKA, J.; CUNHA, L.; MARTINEZ-SEIDEL, F.; MADUREIRA, L. A. dos S.; HANSEL, F. A.; TPI Network. Univariate statistical analysis of gaschromatography: mass spectrometry fingerprints analyses. Chemical Date Collections, v. 33, Id 100719, 2021. Date article. Biblioteca(s): Embrapa Florestas. |
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11. | | TOMASI, J. de C.; LIMA, G. G. de; WENDLING, I.; HELM, C. V.; HANSEL, F. A.; GODOY, R. C. B. de; GRUNENNVALDT, R. L.; MELO, T. O. de; TOMAZZOLI, M. M.; DESCHAMPS, C. Effects of different drying methods on the chemical, nutritional and colour of yerba mate (Ilex paraguariensis) leaves. International Journal of Food Engineering, v. 7, n. 7, p. 551-560, 2021. Biblioteca(s): Embrapa Florestas. |
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Registros recuperados : 11 | |
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Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
05/01/2018 |
Data da última atualização: |
05/01/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
MELO, T. O.; MARQUES, F. A.; HANSEL, F. A. |
Afiliação: |
Tamires O. Melo, UFPR; Francisco A. Marques, UFPR; FABRICIO AUGUSTO HANSEL, CNPF. |
Título: |
Pyrolysis-gas chromatography-mass spectrometry Kováts retention index of pyrolysis products of lignocellulosic materials. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Journal of Analytical and Applied Pyrolysis, v. 126, p. 332-336, July 2017. |
DOI: |
10.1016/j.jaap.2017.05.013 |
Idioma: |
Inglês |
Conteúdo: |
Pyrolysis ? gas chromatography ? mass spectrometry (Py-GC?MS) is a common hyphenated analytical technique for the characterisation of lignocellulosic materials, but such natural polymers generate highly complex total ion current pyrograms. Recently, normalised retention time and automated deconvolution of chromatograms have been shown to be a viable method for analyses containing a large number of peak components. However, the use of Kováts retention index (RI) has not been examined in Py-GC?MS for lignocellulosic materials. In this study, we test the use of linear alkane polyethylene pyrolysis products to calibrate the Kováts RI for pyrolysis products of lignocellulosic materials in a Py-GC?MS system. Linear alkane polyethylene pyrolysis products yield a correct Kováts RI, which means the method has the advantages of being able to apply the NIST/EPA/NIH mass spectra library database for peak identification. In addition, using such an approach, Kováts RI of standard compounds calibrated using a GC?MS system may be used for structural certification of unknown pyrolysis products due to the similarities of RI calibration in both systems (GC?MS x Py-GC?MS). |
Palavras-Chave: |
AMDIS; Bio-oil; Bio-óleo; Fast pyrolysis; Pirólise rápida. |
Thesagro: |
Celulose; Lignina; Madeira; Polpa. |
Thesaurus NAL: |
Biofuels; Cellulose; Lignin; Pulp; Wood. |
Categoria do assunto: |
W Química e Física |
Marc: |
LEADER 02074naa a2200325 a 4500 001 2084374 005 2018-01-05 008 2017 bl uuuu u00u1 u #d 024 7 $a10.1016/j.jaap.2017.05.013$2DOI 100 1 $aMELO, T. O. 245 $aPyrolysis-gas chromatography-mass spectrometry Kováts retention index of pyrolysis products of lignocellulosic materials.$h[electronic resource] 260 $c2017 520 $aPyrolysis ? gas chromatography ? mass spectrometry (Py-GC?MS) is a common hyphenated analytical technique for the characterisation of lignocellulosic materials, but such natural polymers generate highly complex total ion current pyrograms. Recently, normalised retention time and automated deconvolution of chromatograms have been shown to be a viable method for analyses containing a large number of peak components. However, the use of Kováts retention index (RI) has not been examined in Py-GC?MS for lignocellulosic materials. In this study, we test the use of linear alkane polyethylene pyrolysis products to calibrate the Kováts RI for pyrolysis products of lignocellulosic materials in a Py-GC?MS system. Linear alkane polyethylene pyrolysis products yield a correct Kováts RI, which means the method has the advantages of being able to apply the NIST/EPA/NIH mass spectra library database for peak identification. In addition, using such an approach, Kováts RI of standard compounds calibrated using a GC?MS system may be used for structural certification of unknown pyrolysis products due to the similarities of RI calibration in both systems (GC?MS x Py-GC?MS). 650 $aBiofuels 650 $aCellulose 650 $aLignin 650 $aPulp 650 $aWood 650 $aCelulose 650 $aLignina 650 $aMadeira 650 $aPolpa 653 $aAMDIS 653 $aBio-oil 653 $aBio-óleo 653 $aFast pyrolysis 653 $aPirólise rápida 700 1 $aMARQUES, F. A. 700 1 $aHANSEL, F. A. 773 $tJournal of Analytical and Applied Pyrolysis$gv. 126, p. 332-336, July 2017.
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