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dc.contributor.authorCelis, R.-
dc.contributor.authorKoskinen, W. C.-
dc.contributor.authorHermosín, M.C.-
dc.contributor.authorCornejo, J.-
dc.identifierdoi: 10.1021/jf980618g-
dc.identifierissn: 0021-8561-
dc.identifiere-issn: 1520-5118-
dc.identifier.citationJournal of Agricultural and Food Chemistry 47(2): 776-781 (1999)-
dc.description.abstractSorption-desorption of the azole fungicide triadimefon [1-(4- chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)-2-butanone] on eight soils and a series of single, binary, and ternary model soil colloids was determined using the batch equilibration technique. Regression analysis between Freundlich sorption coefficients (K(f)) and soil properties suggested that both clay and organic C (OC) were important in triadimefon sorption by soils, with increasing importance of clay for soils with high clay and relatively low OC contents. Triadimefon sorption coefficients on soil were not significantly affected by the concentration of electrolyte or the presence of soluble soil material in solution, but they were highly dependent on the soil:solution ratio due to the nonlinearity of triadimefon sorption on soil. Freundlich sorption isotherms slopes were very similar for all soils (0.75 ± 0.02). Desorption did not greatly depend on the concentration at which it was determined and showed higher hysteresis for more sorptive soils. Results of triadimefon sorption on model sorbents supported that both humic acid and montmorillonite-type clay constituents contribute to triadimefon retention by soil colloids.-
dc.publisherAmerican Chemical Society-
dc.titleSorption and desorption of triadimefon by soils and model soil colloids-
dc.description.versionPeer Reviewed-
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