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Registros recuperados : 273 | |
83. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | NOVOTNY, E. H.; KNICKER, H.; MARTIN NETO, L.; AZEREDO, R. B. V.; HAYES, M. H. B. Effect of residual vanadyl ions on the spectroscopic analysis of humic acids: a multivariate approach. European Journal of Soil Science, Oxford, v. 59, n. 3, p. 439-444, Jun. 2008. Biblioteca(s): Embrapa Solos. |
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89. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SONG, G.; NOVOTNY, E. H.; AZEVEDO, E. R. de; BONAGAMBA, T. J. Composition of the humin fraction and coarse char of Terra Preta de Índios soils by NMR, multivariate curve resolution and scanning electron microscopy. In: ANNUAL INTERNATIONAL MEETING OF THE INTERNATIONAL BIOCHAR INITIATIVE, 2., 2008, Newcastle. Biochar, sustainability and security in a changing climate. Newcastle: International Biochar Initiative, 2008. p. 27-28. Ref. B21. Biblioteca(s): Embrapa Solos. |
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100. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CRUZ, J. C.; PEREIRA FILHO, I. A.; ALVARENGA, R. C.; COELHO, A. M.; NOVOTNY, E. H. Cultura brasileira do milho. Revista Brasileira de Agropecuária, São Paulo, v. 3, n. 17, p. 16, [2002]. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registros recuperados : 273 | |
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Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
07/02/2011 |
Data da última atualização: |
29/03/2022 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
FREITAS, J. C. C.; HONORATO, H. D. A.; NOVOTNY, E. H.; BONAGAMBA, T. J. |
Afiliação: |
Universidade Federal do Espírito Santo; Universidade Federal do Espírito Santo; ETELVINO HENRIQUE NOVOTNY, CNPS; Universidade de São Paulo. |
Título: |
Solid-state 13C NMR studies of activated carbons prepared from biomass using different chemical agents. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
In: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Progressing from Terra Preta de Índios to the whole world: anais. Rio de Janeiro: Embrapa, 2010. |
Idioma: |
Inglês |
Conteúdo: |
Activated carbons are largely employed in several chemical and physical processes nowadays, including water treatment, catalysis, gas storage and others [1]. The surface properties of the porous carbons are determinant for most of such applications. Oxygenated functional groups present at the edges of the aromatic lamellae are known to influence decisively the surface chemistry of these materials [2]. In this work, solid-state 13 C nuclear magnetic resonance (NMR) spectroscopy was used for the analysis of a series of activated carbons prepared from a lignocellulosic precursor, using different chemical activating agents. |
Palavras-Chave: |
Activated carbons; NMR. |
Thesaurus NAL: |
biomass. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/26458/1/091.pdf
|
Marc: |
LEADER 01297nam a2200181 a 4500 001 1875886 005 2022-03-29 008 2010 bl uuuu u00u1 u #d 100 1 $aFREITAS, J. C. C. 245 $aSolid-state 13C NMR studies of activated carbons prepared from biomass using different chemical agents.$h[electronic resource] 260 $aIn: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Progressing from Terra Preta de Índios to the whole world: anais. Rio de Janeiro: Embrapa$c2010 520 $aActivated carbons are largely employed in several chemical and physical processes nowadays, including water treatment, catalysis, gas storage and others [1]. The surface properties of the porous carbons are determinant for most of such applications. Oxygenated functional groups present at the edges of the aromatic lamellae are known to influence decisively the surface chemistry of these materials [2]. In this work, solid-state 13 C nuclear magnetic resonance (NMR) spectroscopy was used for the analysis of a series of activated carbons prepared from a lignocellulosic precursor, using different chemical activating agents. 650 $abiomass 653 $aActivated carbons 653 $aNMR 700 1 $aHONORATO, H. D. A. 700 1 $aNOVOTNY, E. H. 700 1 $aBONAGAMBA, T. J.
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