Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua

Detalhes bibliográficos
Autor(a) principal: Bravo,Bélgica
Data de Publicação: 2012
Outros Autores: Cárdenas,Betzhy, Chávez,Gerson, Delgado,Nacarid, Cáceres,Ana, Ysambertt,Fredy, Márquez,Nelson
Tipo de documento: Artigo
Idioma: spa
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600024
Resumo: The use of fatty acids (FAs) as amphiphiles is very important because they have a behaving similar to surfactants. The formulation for the preferential partition of these species was studied by varying the amount of salt at constant acid concentration. As the salt concentration increases, a Winsor I→III→II transition is observed for all the systems studied. Furthermore, the electrolyte concentration required to obtain the optimum formulation varies inversely with the chain length of the acid. The partition coefficient of the surfactant allows one to obtain thermodynamic information on the acid transfer process between the phases of the system.
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spelling Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/aguafatty acidsformulation variablespartition coefficientThe use of fatty acids (FAs) as amphiphiles is very important because they have a behaving similar to surfactants. The formulation for the preferential partition of these species was studied by varying the amount of salt at constant acid concentration. As the salt concentration increases, a Winsor I→III→II transition is observed for all the systems studied. Furthermore, the electrolyte concentration required to obtain the optimum formulation varies inversely with the chain length of the acid. The partition coefficient of the surfactant allows one to obtain thermodynamic information on the acid transfer process between the phases of the system.Sociedade Brasileira de Química2012-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600024Química Nova v.35 n.6 2012reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422012000600024info:eu-repo/semantics/openAccessBravo,BélgicaCárdenas,BetzhyChávez,GersonDelgado,NacaridCáceres,AnaYsambertt,FredyMárquez,Nelsonspa2012-07-25T00:00:00Zoai:scielo:S0100-40422012000600024Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2012-07-25T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
title Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
spellingShingle Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
Bravo,Bélgica
fatty acids
formulation variables
partition coefficient
title_short Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
title_full Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
title_fullStr Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
title_full_unstemmed Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
title_sort Estudio del coeficiente de reparto de ácidos carboxílicos grasos en sistemas modificados heptano/agua
author Bravo,Bélgica
author_facet Bravo,Bélgica
Cárdenas,Betzhy
Chávez,Gerson
Delgado,Nacarid
Cáceres,Ana
Ysambertt,Fredy
Márquez,Nelson
author_role author
author2 Cárdenas,Betzhy
Chávez,Gerson
Delgado,Nacarid
Cáceres,Ana
Ysambertt,Fredy
Márquez,Nelson
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Bravo,Bélgica
Cárdenas,Betzhy
Chávez,Gerson
Delgado,Nacarid
Cáceres,Ana
Ysambertt,Fredy
Márquez,Nelson
dc.subject.por.fl_str_mv fatty acids
formulation variables
partition coefficient
topic fatty acids
formulation variables
partition coefficient
description The use of fatty acids (FAs) as amphiphiles is very important because they have a behaving similar to surfactants. The formulation for the preferential partition of these species was studied by varying the amount of salt at constant acid concentration. As the salt concentration increases, a Winsor I→III→II transition is observed for all the systems studied. Furthermore, the electrolyte concentration required to obtain the optimum formulation varies inversely with the chain length of the acid. The partition coefficient of the surfactant allows one to obtain thermodynamic information on the acid transfer process between the phases of the system.
publishDate 2012
dc.date.none.fl_str_mv 2012-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600024
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600024
dc.language.iso.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv 10.1590/S0100-40422012000600024
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.35 n.6 2012
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
_version_ 1750318113560199168

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