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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/26296
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dc.contributor.authorSilva, Aline Santana da-
dc.contributor.authorPezza, Leonardo-
dc.contributor.authorPezza, Helena Redigolo-
dc.date.accessioned2014-05-20T14:21:01Z-
dc.date.accessioned2016-10-25T17:41:50Z-
dc.date.available2014-05-20T14:21:01Z-
dc.date.available2016-10-25T17:41:50Z-
dc.date.issued2012-01-01-
dc.identifierhttp://dx.doi.org/10.1590/S0100-40422012000100021-
dc.identifier.citationQuímica Nova. Sociedade Brasileira de Química, v. 35, n. 1, p. 114-118, 2012.-
dc.identifier.issn0100-4042-
dc.identifier.urihttp://hdl.handle.net/11449/26296-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/26296-
dc.description.abstractA flow injection spectrophotometric procedure for the determination of glyphosate in commercial formulations of herbicides is proposed. The determination is based on the reaction of glyphosate and p-dimethylaminocinnamaldehyde, in acid medium, yielding a colored compound (l máx = 495 nm). Under optimal conditions, Beer's law is obeyed in a concentration range 40-640 mg mL-1 with a correlation coefficient of 0.9996. The detection limit was 8.60 mg mL-1 for glyphosate. The method was successfully applied for the determination of glyphosate in commercial formulations of herbicides. Recovery of glyphosate from various commercial samples of herbicides range from 91.0 to 110%.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.format.extent114-118-
dc.language.isopor-
dc.publisherSociedade Brasileira de Química-
dc.sourceSciELO-
dc.subjectglyphosateen
dc.subjectherbicidesen
dc.subjectflow injection analysisen
dc.titleDeterminação espectrofotométrica por injeção em fluxo de glifosato em formulações comerciais de herbicidaspt
dc.title.alternativeFlow-injection spectrophotometric determination of glyphosate in commercial formulations of herbicidesen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniversidade Estadual Paulista Instituto de Química de Araraquara-
dc.description.affiliationUnespUniversidade Estadual Paulista Instituto de Química de Araraquara-
dc.identifier.doi10.1590/S0100-40422012000100021-
dc.identifier.scieloS0100-40422012000100021-
dc.identifier.wosWOS:000300963000021-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS0100-40422012000100021.pdf-
dc.relation.ispartofQuímica Nova-
dc.identifier.orcid0000-0003-0197-7369pt
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