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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
13/07/2011 |
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Data da última atualização: |
06/05/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SONG, G.; HAYES, M. H. B.; NOVOTNY, E. H.; SIMPSON, A. J. |
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Afiliação: |
GUIXUE SONG, UNIVERSIDADE DE LIMERICK; MICHAEL H. B. HAYES, UNIVERSIDADE DE LIMERICK; ETELVINO HENRIQUE NOVOTNY, CNPS; ANDRE J. SIMPSON, UNIVERSIDADE DE TORONTO. |
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Título: |
Isolation and fractionation of soil humin using alkaline urea and dimethylsulphoxide plus sulphuric acid. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Naturwissenschaften, v. 98, p. 7-13, 2011. |
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DOI: |
https://doi.org/10.1007/s00114-010-0733-4 |
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Idioma: |
Inglês |
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Conteúdo: |
Humin, the most recalcitrant and abundant organic fraction of soils and of sediments, is a significant contributor to the stable carbon pool in soils and is important for the global carbon budget. It has significant resistance to transformations by microorganisms. Based on the classical operational definition, humin can include any humic-type substance that is not soluble in water at any pH. We demonstrate in this study how sequential exhaustive extractions with 0.1 M sodium hydroxide (NaOH) + 6 M urea, followed by dimethylsulphoxide (DMSO) + 6% (v/v) sulphuric acid (H2SO4) solvent systems, can extract 70–80% of the residual materials remaining after prior exhaustive extractions in neutral and aqueous basic media. Solid-state 13C NMR spectra have shown that the components isolated in the base + urea system were compositionally similar to the humic and fulvic acid fractions isolated at pH 12.6 in the aqueous media. The NMR spectra indicated that the major components isolated in the DMSO + H2SO4 medium had aliphatic hydrocarbon associated with carboxyl functionalities and with lesser amounts of carbohydrate and peptide and minor amounts of lignin-derived components. The major components will have significant contributions from long-chain fatty acids, waxes, to cuticular materials. The isolates in the DMSO + H2SO4 medium were compositionally similar to the organic components that resisted solvation and remained associated with the soil clays. It is concluded that the base + urea system released humic and fulvic acids held by hydrogen bonding or by entrapment within the humin matrix. The recalcitrant humin materials extracted in DMSO + H2SO4 are largely biological molecules (from plants and the soil microbial population) that are likely to be protected from degradation by their hydrophobic moieties and by sorption on the soil clays. Thus, the major components of humin do not satisfy the classical definitions for humic substances which emphasise that these arise from microbial or chemical transformations in soils of the components of organic debris. MenosHumin, the most recalcitrant and abundant organic fraction of soils and of sediments, is a significant contributor to the stable carbon pool in soils and is important for the global carbon budget. It has significant resistance to transformations by microorganisms. Based on the classical operational definition, humin can include any humic-type substance that is not soluble in water at any pH. We demonstrate in this study how sequential exhaustive extractions with 0.1 M sodium hydroxide (NaOH) + 6 M urea, followed by dimethylsulphoxide (DMSO) + 6% (v/v) sulphuric acid (H2SO4) solvent systems, can extract 70–80% of the residual materials remaining after prior exhaustive extractions in neutral and aqueous basic media. Solid-state 13C NMR spectra have shown that the components isolated in the base + urea system were compositionally similar to the humic and fulvic acid fractions isolated at pH 12.6 in the aqueous media. The NMR spectra indicated that the major components isolated in the DMSO + H2SO4 medium had aliphatic hydrocarbon associated with carboxyl functionalities and with lesser amounts of carbohydrate and peptide and minor amounts of lignin-derived components. The major components will have significant contributions from long-chain fatty acids, waxes, to cuticular materials. The isolates in the DMSO + H2SO4 medium were compositionally similar to the organic components that resisted solvation and remained associated with the soil clays. It is concluded that the base + ure... Mostrar Tudo |
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Palavras-Chave: |
Soil humin. |
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Thesaurus Nal: |
soil organic matter. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02719naa a2200193 a 4500
001 1895801
005 2024-05-06
008 2011 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00114-010-0733-4$2DOI
100 1 $aSONG, G.
245 $aIsolation and fractionation of soil humin using alkaline urea and dimethylsulphoxide plus sulphuric acid.$h[electronic resource]
260 $c2011
520 $aHumin, the most recalcitrant and abundant organic fraction of soils and of sediments, is a significant contributor to the stable carbon pool in soils and is important for the global carbon budget. It has significant resistance to transformations by microorganisms. Based on the classical operational definition, humin can include any humic-type substance that is not soluble in water at any pH. We demonstrate in this study how sequential exhaustive extractions with 0.1 M sodium hydroxide (NaOH) + 6 M urea, followed by dimethylsulphoxide (DMSO) + 6% (v/v) sulphuric acid (H2SO4) solvent systems, can extract 70–80% of the residual materials remaining after prior exhaustive extractions in neutral and aqueous basic media. Solid-state 13C NMR spectra have shown that the components isolated in the base + urea system were compositionally similar to the humic and fulvic acid fractions isolated at pH 12.6 in the aqueous media. The NMR spectra indicated that the major components isolated in the DMSO + H2SO4 medium had aliphatic hydrocarbon associated with carboxyl functionalities and with lesser amounts of carbohydrate and peptide and minor amounts of lignin-derived components. The major components will have significant contributions from long-chain fatty acids, waxes, to cuticular materials. The isolates in the DMSO + H2SO4 medium were compositionally similar to the organic components that resisted solvation and remained associated with the soil clays. It is concluded that the base + urea system released humic and fulvic acids held by hydrogen bonding or by entrapment within the humin matrix. The recalcitrant humin materials extracted in DMSO + H2SO4 are largely biological molecules (from plants and the soil microbial population) that are likely to be protected from degradation by their hydrophobic moieties and by sorption on the soil clays. Thus, the major components of humin do not satisfy the classical definitions for humic substances which emphasise that these arise from microbial or chemical transformations in soils of the components of organic debris.
650 $asoil organic matter
653 $aSoil humin
700 1 $aHAYES, M. H. B.
700 1 $aNOVOTNY, E. H.
700 1 $aSIMPSON, A. J.
773 $tNaturwissenschaften$gv. 98, p. 7-13, 2011.
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Registro original: |
Embrapa Solos (CNPS) |
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| Registros recuperados : 38 | |
| 23. |  | NOVOTNY, E. H.; BONAGAMBA, T. J.; AZEVEDO, E. R. de; HAYES, M. H. B. Solid-state 13C nuclear magnetic resonance characterisation of humic acids extracted from amazonian dark earths (terra preta de índio). In: WOODS, W. I.; TEIXEIRA, W. G.; LEHMANN, J.; STEINER, C.; WINKLERPRINS, A.; REBELLATO, L. (ed.). Amazonian dark earths: Wim Sombroek's vision. Berlin: Springer, 2009. cap. 21, p. 373-391.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Solos. |
|    |
| 24. | | SIMPSON, A. J.; SONG, G.; SMITH, E.; LAM, B.; NOVOTNY, E. H.; HAYES, M. H. B. Unraveling the structural components of soil humin by use of solution-state nuclear magnetic resonance spectroscopy. Environmental Science & Technology, v. 41, n. 3, p. 876-883, Feb. 2007.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
| Biblioteca(s): Embrapa Solos. |
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| 26. | | MELLIGAN, F.; DUSSAN, K.; AUCCAISE, R.; NOVOTNY, E. H.; LEAHY, E. H.; HAYES, M. H. B.; KWAPINSKI, W. Characterisation of the products from pyrolysis of residues after acid hydrolysis of miscanthus. Bioresource Technology, v. 108, p. 258-263, Mar. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Solos. |
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| 28. | | NOVOTNY, E. H.; VELLOSO, M. H. R.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; SONG, G.; HAYES, M. H. B. Extração seletiva da fração húmica característica das terras pretas de índios. In: ENCONTRO BRASILEIRO DE SUBSTÂNCIAS HÚMICAS, 8., 2009, Pelotas. Matéria orgânica ambiental e sustentabilidade: resumos expandidos. Pelotas: Embrapa Clima Temperado, 2009. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
|  |
| 29. | | KWAPINSKIK, W.; WOLFRAM, P.; BYRNE, C.; MELLIGAN, F.; NOVOTNY, E. H.; LEAHY, J. J.; HAYES, M. H. B. Properties of biochar produced from Miscanthus x giganteus and its influence the growth of maize (Zea mays L.). In: MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY, 15., 2010, Tenerife. Proceedings... Tenerife: IHSS, 2010. v. 1, p. 95-98.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 30. | | NOVOTNY, E. H.; ROMEIRO, G. A.; FIGUEIREDO, M. K. K.; ROCHA, J. D.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; HAYES, M. H. B. 13C-MMR spectroscopy evaluation of different pyrolysis feedstock. In: ANNUAL INTERNATIONAL MEETING OF THE INTERNATIONAL BIOCHAR INITIATIVE, 2., 2008, Newcastle. Abstracts... Newcastle: IBI, 2008, p. 16.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroenergia. |
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| 31. | | NOVOTNY, E. H.; ROMEIRO, G. A.; FIGUEIREDO, M. K. K.; ROCHA, J. D.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; HAYES, M. H. B. 13C-NMR spectroscopy evaluation of different pyrolysis feedstock. 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. 26. Ref. B18.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 32. | | KWAPINSKI, W.; BYRNE, C. M. P.; KRYACHKO, E.; WOLFRAM, P.; ADLEY, C.; LEAHY, J. J.; NOVOTNY, E. H.; HAYES, M. H. B. Biochar from biomass and waste. Waste Biomass Valorization, v. 1, p. 177-89, 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 4 |
| Biblioteca(s): Embrapa Solos. |
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| 33. | | HAYES, M. H. B.; HAVERTY, D.; BYRNE, C. M. P.; MELLIGAN, F. J.; NOVOTNY, E. H.; WOLFRAM, P.; LEAHY, J. J.; KWAPINSKI, W. Biochar from biorefinery residuals. 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.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 34. | | FERREIRA, J. A.; SIMÕES, M. L.; MILORI, D. M. B. P.; MARTIN NETO, L.; HAYES, M. H. B.; MAO, J.; SCHMIDT-ROHR, K. Caracterização Espectroscópica da Matéria Orgânica do Solo. São Carlos, SP: Embrapa Instrumentação Agropecuária, 2004. 3 p. (Embrapa Instrumentação Agropecuária. Circular Técnica, 24).| Biblioteca(s): Embrapa Instrumentação. |
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| 35. | | BYRNE, C. M. P.; HAYES, M. H. B.; KUMAR, R.; NOVOTNY, E. H.; LANIGAN, G.; RICHARDS, K. G.; FAY, D.; SIMPSON, A. J. Compositional changes in the hydrophobic acids fraction of drainage water from different land management practices. Water Research, v. 44, n. 15, p. 4379-4390, Aug. 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Solos. |
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| 36. | | HAYES, M. H. B.; BYRNE, C. M. P.; KWAPINSKI, W.; WOLFRAM, P.; MELLIGAN, F. J.; NOVOTNY, E. H.; LEAHY, J. J. Development of a biochar classification system based on plant growth effects. 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.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 37. | | NOVOTNY, E. H.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; CUNHA, T. J. F.; MADARI, B. E.; BENITES, V. de M.; HAYES, M. H. B. Studies of the compositions of humic acids from Amazonian Dark Earth soils. Environmental Science & Technology, v. 41, n. 2, p. 400-405, jan. 2007.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Semiárido; Embrapa Solos. |
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| 38. | | NOVOTNY, E. H.; HAYES, M. H. B.; MADARI, B. E.; BONAGAMBA, T. J.; AZEVEDO, E. R. de; SOUZA, A. A. de; SONG, G.; NOGUEIRA, C. M.; MANGRICH, A. S. Lessons from the Terra Preta de Índios of the Amazon region for the utilisation of charcoal for soil amendment. Journal of the Brazilian Chemical Society, v. 20, n. 6, p. 1003-1010, 2009.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Solos. |
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| Registros recuperados : 38 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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