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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
05/01/2018 |
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Data da última atualização: |
05/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MELO, T. O.; MARQUES, F. A.; HANSEL, F. A. |
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Afiliação: |
Tamires O. Melo, UFPR; Francisco A. Marques, UFPR; FABRICIO AUGUSTO HANSEL, CNPF. |
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Título: |
Pyrolysis-gas chromatography-mass spectrometry Kováts retention index of pyrolysis products of lignocellulosic materials. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Analytical and Applied Pyrolysis, v. 126, p. 332-336, July 2017. |
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DOI: |
10.1016/j.jaap.2017.05.013 |
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Idioma: |
Inglês |
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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). |
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Palavras-Chave: |
AMDIS; Bio-oil; Bio-óleo; Fast pyrolysis; Pirólise rápida. |
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Thesagro: |
Celulose; Lignina; Madeira; Polpa. |
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Thesaurus Nal: |
Biofuels; Cellulose; Lignin; Pulp; Wood. |
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Categoria do assunto: |
W Química e Física |
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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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| 5. |  | AMARAL, J. A. T. do; CORDEIRO, A. T.; RENA, A. B. Efeitos do Alumínio, Nitrato e Amônio sobre a composição de metabólitos nitrogenados e de carboidratos em Stylosanthes guianensis e S. Macrocephala. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 2, p. 313-320, fev. 2000. Título em inglês: Effects of aluminum, nitrate and ammonium of the metabolic nitrogened composition and of carboidrates in Stylosanthes guianensis and S. Macrocephala.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 6. | | AMARAL, J. A. T. do; RENA, A. B.; AMARAL, J. F. T. do. Crescimento vegetativo sazonal do cafeeiro e sua relação com fotoperíodo, frutificação, resistência estomática e fotossíntese. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 41, n. 3, p. 377-384, mar. 2006 Título em inglês: Seasonal vegetative growth of the coffee plant and its relationship with the photoperiod, fructification, stomatic resistance and photosynthesis.| Biblioteca(s): Embrapa Unidades Centrais. |
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