imazaquin sorption in surface and subsurface soil samples sorção do imazaquin em amostras de solos superficiais e subsuperficiais

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ID: 245252
2006
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Ranked #58 of 193 articles by views in proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006

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Abstract
The objective of this work was to study the sorption and desorption of imazaquin, in surface and subsurface soil samples from Brazil. Sorption and desorption steps were carried out using batch equilibration and high performance liquid chromatography analytical routines. The value of Kf,ads was positively correlated with clay content, and negatively correlated with pH of supernatant. Samples from Typic Haplustox, clayey soil profile having high clay content, provided higher Kf,ads values, and negative correlation with organic carbon, silt content, cation exchange capacity and pH.
O objetivo deste trabalho foi estudar a sorção e dessorção do herbicida imazaquin em amostras de solos brasileiros, superficiais e subsuperficiais. Para os ensaios de sorção e dessorção, utilizou-se metodologia de equilíbrio de partição e quantificação por cromatografia líquida de alto desempenho. Os valores de Kf,ads foram positivamente correlacionados com os teores de argila, e negativamente correlacionados com o pH do sobrenadante. Para as amostras do Latossolo Vermelho férrico textura argilosa, maiores teores de argila acarretaram maiores valores de Kf,ads, e a correlação com carbono orgânico, silte, capacidade de troca catiônica e pH foi negativa.
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oliveira2006pesquisaimazaquin Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Maurílio Fernandes de Oliveira;Hélio Teixeira Prates;Derli Prudente Santanna;Rubem Silvério de Oliveira Júnior
Journal proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006
Year 2006
DOI
10.1590/S0100-204X2006000300013
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2006000300013
Keywords
desorption retention oxisol sustentabilidade

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