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| 6. |  | AMARAL, J. B. C.; LOPES, F. B.; MAGALHÃES, A. C. M. de; KUJAWA, S.; TANIGUCHI, C. A. K.; TEIXEIRA, A. dos S.; LACERDA, C. F. de; QUEIROZ, T. R. G.; ANDRADE, E. M. de; ARAÚJO, I. C. da S.; NIEDBAŁA, G. Quantifying nutrient content in the leaves of cowpea using remote sensing. Applied Sciences, v. 12, 458, 2022.| Biblioteca(s): Embrapa Agroindústria Tropical. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
10/01/2011 |
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Data da última atualização: |
11/01/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
ASSALIN, M. R.; MORAES, S. G. de; QUEIROZ, S. C. do N. de; FERRACINI, V. L.; DURÁN, N. |
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Afiliação: |
MARCIA REGINA ASSALIN, CNPMA; Sandra G. de Moraes, Instituto de Química - UNICAMP; SONIA CLAUDIA DO N DE QUEIROZ, CNPMA; VERA LUCIA FERRACINI, CNPMA; Nelson Durán, Instituto de Química - UNICAMP. |
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Título: |
Studies on degradation of glyphosate by several oxidative chemical processes: Ozonation, photolysis and heterogeneous photocatalysis. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Journal of Environmental Science and Health, Part B, v. 45, n. 1, p. 89-94, 2010. |
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DOI: |
10.1080/03601230903404598 |
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Idioma: |
Inglês |
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Conteúdo: |
Several different Advanced Oxidation Processes (AOPs) including ozonation at pH 6.5 and 10, photolysis and heterogeneous photocatalysis using TiO2 as semiconductor and dissolved oxygen as electron acceptor were applied to study the degradation of glyphosate (N-phosphonomethyl glycine) in water. The degree of glyphosate degradation, the reactions kinetic and the formation of the major metabolite, aminomethyl phosphonic acid (AMPA), were evaluated. Ozonation at pH 10 resulted in the maximum mineralization of glyphosate. It was observed that under the experimental conditions used in this study the degradation of glyphosate followed the first-order kinetics. The half-life obtained for glyphosate degradation in the O3/pH 10 process was 1.8 minutes. |
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Palavras-Chave: |
Degradação. |
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Thesagro: |
Oxidação. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01428naa a2200205 a 4500
001 1872528
005 2011-01-11
008 2010 bl --- 0-- u #d
024 7 $a10.1080/03601230903404598$2DOI
100 1 $aASSALIN, M. R.
245 $aStudies on degradation of glyphosate by several oxidative chemical processes$bOzonation, photolysis and heterogeneous photocatalysis.
260 $c2010
520 $aSeveral different Advanced Oxidation Processes (AOPs) including ozonation at pH 6.5 and 10, photolysis and heterogeneous photocatalysis using TiO2 as semiconductor and dissolved oxygen as electron acceptor were applied to study the degradation of glyphosate (N-phosphonomethyl glycine) in water. The degree of glyphosate degradation, the reactions kinetic and the formation of the major metabolite, aminomethyl phosphonic acid (AMPA), were evaluated. Ozonation at pH 10 resulted in the maximum mineralization of glyphosate. It was observed that under the experimental conditions used in this study the degradation of glyphosate followed the first-order kinetics. The half-life obtained for glyphosate degradation in the O3/pH 10 process was 1.8 minutes.
650 $aOxidação
653 $aDegradação
700 1 $aMORAES, S. G. de
700 1 $aQUEIROZ, S. C. do N. de
700 1 $aFERRACINI, V. L.
700 1 $aDURÁN, N.
773 $tJournal of Environmental Science and Health, Part B$gv. 45, n. 1, p. 89-94, 2010.
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Embrapa Meio Ambiente (CNPMA) |
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