Sorption and preconcentration of metal ions in ethanol solution with a silica gel surface chemically modified with benzimidazole

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dc.contributor.authorDias, N. L.
dc.contributor.authorGushikem, Y.
dc.contributor.authorPolito, W. L.
dc.contributor.authorMoreira, J. C.
dc.contributor.authorEhirim, E. O.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.date.accessioned2014-05-20T15:27:48Z
dc.date.available2014-05-20T15:27:48Z
dc.date.issued1995-11-01
dc.description.abstractThe adsorption isotherms of MCl(2) (M = Mn, Ni, Cu, Zn and Cd) and FeCl3 by silica gel chemically modified with benzimidazole molecules (= SI(CH2)(3)-NC7H5N) were studied in ethanol solution at 298 K. A column made of modified silica was used to adsorb and preconcentrate the above metal ions from ethanol solution. Elution was done with 0.1 M hydrochloric acid in an ethanol/water mixture having a mole fraction of water of 0.8. The material was applied in the preconcentration of metal ions from commercial ethanol normally used as engine fuel.en
dc.description.affiliationUNICAMP,INST QUIM,BR-13081970 CAMPINAS,SP,BRAZIL
dc.description.affiliationUSP,INST QUIM,BR-13560250 SAO CARLOS,SP,BRAZIL
dc.description.affiliationUNESP,INST QUIM,BR-14800 ARARAQUARA,SP,BRAZIL
dc.description.affiliationUNIV FED SAO CARLOS,DEPT ENGN QUIM,BR-13560905 SAO CARLOS,SP,BRAZIL
dc.description.affiliationUnespUNESP,INST QUIM,BR-14800 ARARAQUARA,SP,BRAZIL
dc.format.extent1625-1630
dc.identifierhttp://dx.doi.org/10.1016/0039-9140(95)01621-X
dc.identifier.citationTalanta. Amsterdam: Elsevier B.V., v. 42, n. 11, p. 1625-1630, 1995.
dc.identifier.doi10.1016/0039-9140(95)01621-X
dc.identifier.issn0039-9140
dc.identifier.urihttp://hdl.handle.net/11449/37728
dc.identifier.wosWOS:A1995TK41600006
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofTalanta
dc.relation.ispartofjcr4.244
dc.relation.ispartofsjr1,186
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectbenzimidazolept
dc.subjectpreconcentration of heavy metalspt
dc.subjectadsorption isothermspt
dc.subjectsilica gel functionalizedpt
dc.titleSorption and preconcentration of metal ions in ethanol solution with a silica gel surface chemically modified with benzimidazoleen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.

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