Glyphosate determination in soil, water and vegetables using DPV optimized by response surface methodology.

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorTeófilo, Reinaldo Francisco-
Autor(es): dc.creatorReis, Efraim Lázaro-
Autor(es): dc.creatorReis, Cesar-
Autor(es): dc.creatorSilva, Gilmare Antônia da-
Autor(es): dc.creatorPaiva, José Fernando de-
Autor(es): dc.creatorKubota, Lauro Tatsuo-
Data de aceite: dc.date.accessioned2025-08-21T16:01:19Z-
Data de disponibilização: dc.date.available2025-08-21T16:01:19Z-
Data de envio: dc.date.issued2017-05-31-
Data de envio: dc.date.issued2017-05-31-
Data de envio: dc.date.issued2008-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/7834-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1030184-
Descrição: dc.descriptionA voltammetric procedure optimized by experimental design for glyphosate determination in soil, water and vegetable samples is described. The voltammetry experiments were performed using a hanging mercury drop electrode (HMDE). The DPV variables involved in the optimization process were: voltage step, pulse amplitude, pulse interval, voltage step time and concentration of the supporting electrolyte. A full 25 factorial design was chosen to evaluate these effects. From the results obtained by the factorial design the three most important factors were determined. These variables were evaluated with a central composite design. Under the optimized conditions, the operational range was from 0.050 to 100.0 mg dm-3 and the detection and quantification limits were 14 and 48 μg dm-3, respectively. The optimized method was successfully applied to glyphosate determination in soil, water and vegetables after purifying with an ion exchange resin and derivation.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsTodo o conteúdo do periódico Portugaliae Electrochimica Acta, exceto onde identificado, está sob uma licença Creative Commons que permite copiar, distribuir e transmitir o trabalho desde que sejam citados o autor e o licenciante. Não permite o uso para fins comerciais. Fonte: Portugaliae Electrochimica Acta <http://www.scielo.mec.pt/scielo.php?script=sci_serial&pid=0872-1904&lng=en>. Acesso em: 21 nov. 2019.-
Palavras-chave: dc.subjectGlyphosate-
Palavras-chave: dc.subjectVoltammetry-
Palavras-chave: dc.subjectExperimental design-
Título: dc.titleGlyphosate determination in soil, water and vegetables using DPV optimized by response surface methodology.-
Aparece nas coleções:Repositório Institucional - UFOP

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