Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada

Detalhes bibliográficos
Autor(a) principal: Moraes,Solange Leite
Data de Publicação: 2002
Outros Autores: Rezende,Maria Olímpia Oliveira, Nakagawa,Lia Emi, Luchini,Luiz Carlos
Tipo de documento: Artigo
Idioma: por
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000200005
Resumo: Pesticide residues are determined by thin layer chromatography (TLC) using the Hill reaction as a detection method. Tomatoes samples without pesticide were fortified with atrazine, diuron, chloroxuron and metribuzin, and were applyed in silica gel plates with the help of a microsyringe. The pesticides were elued with ethyl acetate. There was no need of cleaning up because no interference was noticed. After the revelation of the plates, the diameters of the spots were measure by using a rule. The range of the determined concentration for all the pesticides was from 0.1 to1.0 ng/muL. The results obtained through TLC can be used for semi-quantitative analysis.The results obtained were compared to gas and liquid chromatography, showing good agreement between both techniques.
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spelling Análise de resíduos de pesticidas em tomates por cromatografia em camada delgadatomatoesHill reactionthin layer chromatographyPesticide residues are determined by thin layer chromatography (TLC) using the Hill reaction as a detection method. Tomatoes samples without pesticide were fortified with atrazine, diuron, chloroxuron and metribuzin, and were applyed in silica gel plates with the help of a microsyringe. The pesticides were elued with ethyl acetate. There was no need of cleaning up because no interference was noticed. After the revelation of the plates, the diameters of the spots were measure by using a rule. The range of the determined concentration for all the pesticides was from 0.1 to1.0 ng/muL. The results obtained through TLC can be used for semi-quantitative analysis.The results obtained were compared to gas and liquid chromatography, showing good agreement between both techniques.Sociedade Brasileira de Química2002-05-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000200005Química Nova v.25 n.2 2002reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422002000200005info:eu-repo/semantics/openAccessMoraes,Solange LeiteRezende,Maria Olímpia OliveiraNakagawa,Lia EmiLuchini,Luiz Carlospor2002-07-31T00:00:00Zoai:scielo:S0100-40422002000200005Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2002-07-31T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
title Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
spellingShingle Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
Moraes,Solange Leite
tomatoes
Hill reaction
thin layer chromatography
title_short Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
title_full Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
title_fullStr Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
title_full_unstemmed Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
title_sort Análise de resíduos de pesticidas em tomates por cromatografia em camada delgada
author Moraes,Solange Leite
author_facet Moraes,Solange Leite
Rezende,Maria Olímpia Oliveira
Nakagawa,Lia Emi
Luchini,Luiz Carlos
author_role author
author2 Rezende,Maria Olímpia Oliveira
Nakagawa,Lia Emi
Luchini,Luiz Carlos
author2_role author
author
author
dc.contributor.author.fl_str_mv Moraes,Solange Leite
Rezende,Maria Olímpia Oliveira
Nakagawa,Lia Emi
Luchini,Luiz Carlos
dc.subject.por.fl_str_mv tomatoes
Hill reaction
thin layer chromatography
topic tomatoes
Hill reaction
thin layer chromatography
description Pesticide residues are determined by thin layer chromatography (TLC) using the Hill reaction as a detection method. Tomatoes samples without pesticide were fortified with atrazine, diuron, chloroxuron and metribuzin, and were applyed in silica gel plates with the help of a microsyringe. The pesticides were elued with ethyl acetate. There was no need of cleaning up because no interference was noticed. After the revelation of the plates, the diameters of the spots were measure by using a rule. The range of the determined concentration for all the pesticides was from 0.1 to1.0 ng/muL. The results obtained through TLC can be used for semi-quantitative analysis.The results obtained were compared to gas and liquid chromatography, showing good agreement between both techniques.
publishDate 2002
dc.date.none.fl_str_mv 2002-05-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000200005
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000200005
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv 10.1590/S0100-40422002000200005
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.25 n.2 2002
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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