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| Registros recuperados : 174 | |
| Registros recuperados : 174 | |
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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: |
04/07/2013 |
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Data da última atualização: |
05/07/2013 |
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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: |
BOLZÓN DE MUÑIZ, G. I; CARNEIRO, M. E.; NISGOSKI, S.; RAMIREZ, M. G. L.; MAGALHAES, W. L. E. |
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Afiliação: |
GRACIELA INÊS BOLZÓN DE MUÑIZ, UFPR; MAYARA ELITA CARNEIRO, UFPR; SILVANA NISGOSKI, UFPR;, UFPR; MARÍA GUADALUPE LOMELI RAMIREZ, UNIVERSIDAD DE GUADALAJARA; WASHINGTON LUIZ ESTEVES MAGALHAES, CNPF. |
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Título: |
SEM and NIR characterization of four forest species charcoal. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Wood Science and Technology, v. 47, p. 815-823, 2013. |
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DOI: |
DOI 10.1007/s00226-013-0539-6 |
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Idioma: |
Inglês |
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Conteúdo: |
This paper characterizes wood and charcoal made from Hymenaea au- rea, Mimosa scabrella, Tabebuia capitata and Eucalyptus alba by scanning electron microscopy and near infrared for the purpose of developing a technique to identify the source of charcoal samples. Ten test samples were prepared for each species, oriented in transverse, radial and tangential section. Samples were carbonized in a muffle furnace with a final temperature of 450 °C and a heating rate of 1.66 °C/min. The microscopic structures of the wood and charcoal samples were verified by scanning electron microscopy, and spectra were obtained with a spectrophotometer, equipped with an integrating sphere and operating in transmittance mode. The spectra of the wood samples present characteristic bands of lignocellulosic material, while the spectra of the charcoal samples show small or nil absorption in the near- infrared region. The near-infrared spectroscopy technique was efficient in dis- criminating the four species studied. |
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Palavras-Chave: |
Espécie florestal; NIR; SEM. |
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Thesagro: |
Carvão Vegetal. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01666naa a2200229 a 4500
001 1961404
005 2013-07-05
008 2013 bl uuuu u00u1 u #d
024 7 $aDOI 10.1007/s00226-013-0539-6$2DOI
100 1 $aBOLZÓN DE MUÑIZ, G. I
245 $aSEM and NIR characterization of four forest species charcoal.$h[electronic resource]
260 $c2013
520 $aThis paper characterizes wood and charcoal made from Hymenaea au- rea, Mimosa scabrella, Tabebuia capitata and Eucalyptus alba by scanning electron microscopy and near infrared for the purpose of developing a technique to identify the source of charcoal samples. Ten test samples were prepared for each species, oriented in transverse, radial and tangential section. Samples were carbonized in a muffle furnace with a final temperature of 450 °C and a heating rate of 1.66 °C/min. The microscopic structures of the wood and charcoal samples were verified by scanning electron microscopy, and spectra were obtained with a spectrophotometer, equipped with an integrating sphere and operating in transmittance mode. The spectra of the wood samples present characteristic bands of lignocellulosic material, while the spectra of the charcoal samples show small or nil absorption in the near- infrared region. The near-infrared spectroscopy technique was efficient in dis- criminating the four species studied.
650 $aCarvão Vegetal
653 $aEspécie florestal
653 $aNIR
653 $aSEM
700 1 $aCARNEIRO, M. E.
700 1 $aNISGOSKI, S.
700 1 $aRAMIREZ, M. G. L.
700 1 $aMAGALHAES, W. L. E.
773 $tWood Science and Technology$gv. 47, p. 815-823, 2013.
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