You are in the accessibility menu

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/33715
Full metadata record
DC FieldValueLanguage
dc.contributor.authorSantos, TCR-
dc.contributor.authorRocha, Julio Cesar-
dc.contributor.authorAlonso, R. M.-
dc.contributor.authorMartinez, E.-
dc.contributor.authorIbanez, C.-
dc.contributor.authorBarcelo, D.-
dc.date.accessioned2014-05-20T15:22:48Z-
dc.date.accessioned2016-10-25T17:56:35Z-
dc.date.available2014-05-20T15:22:48Z-
dc.date.available2016-10-25T17:56:35Z-
dc.date.issued1998-11-15-
dc.identifierhttp://dx.doi.org/10.1021/es980212k-
dc.identifier.citationEnvironmental Science & Technology. Washington: Amer Chemical Soc, v. 32, n. 22, p. 3479-3484, 1998.-
dc.identifier.issn0013-936X-
dc.identifier.urihttp://hdl.handle.net/11449/33715-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/33715-
dc.description.abstractPropanil and its major degradation product, 3,4-dichloroaniline (DCA), were monitored in surface water and soil samples from two rice fields of the Ebre Delta area (Tarragona, Spain) following agricultural application. On-line solid-phase extraction (SPE) (water) and Soxhlet extraction (soil) followed by liquid chromatography/diode array detection (LC/DAD) were used for the trace determination of both compounds. Unequivocal confirmation/identification was conducted by using liquid chromatography/atmospheric pressure chemical ionization-mass spectrometry, LC/APCI/MS (using negative and positive ionization modes). Concentrations of the herbicide propanil in water samples varied from 1.9 to 55.9 mu g/L. Propanil degraded very rapidly to DCA, and high concentrations of this product were found, varying from 16.5 to 470 mu g/L in water and 119 +/- 22 mu g/kg in soil samples. No detectable DCA (<0.001%) was found in the applied pesticide formulation, indicating that DCA formation took place after propanil application. These field results compared favorably with laboratory experiments showing that humic interactions had a strong influence on the pesticide degradation. The half-lifes under real conditions for propanil and DCA, calculated using a first-order decay, were 1.2 and 1.6 days, respectively.en
dc.format.extent3479-3484-
dc.language.isoeng-
dc.publisherAmer Chemical Soc-
dc.sourceWeb of Science-
dc.titleRapid degradation of propanil in rice crop fieldsen
dc.typeoutro-
dc.contributor.institutionCSIC-
dc.contributor.institutionUniversidade Federal do Maranhão (UFMA)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionSoc Espanola Ornitol BIRDLIFE-
dc.description.affiliationCSIC, Cid, Dept Environm Chem, ES-08034 Barcelona, Spain-
dc.description.affiliationFed Univ Maranhao, Dept Chem, BR-65080040 Sao Luis, MA, Brazil-
dc.description.affiliationUNESP, Div Analyt Chem, IQ, BR-14800400 Araraquara, SP, Brazil-
dc.description.affiliationSoc Espanola Ornitol BIRDLIFE, Deltebre Tarragona 43580, Spain-
dc.description.affiliationUnespUNESP, Div Analyt Chem, IQ, BR-14800400 Araraquara, SP, Brazil-
dc.identifier.doi10.1021/es980212k-
dc.identifier.wosWOS:000076986800005-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofEnvironmental Science & Technology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

There are no files associated with this item.
 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.