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dc.contributor.authorLorencetti, Lilian L.-
dc.contributor.authorGushikem, Yoshitaka-
dc.contributor.authorKubota, Lauro T.-
dc.contributor.authorde Oliveira Neto, Graciliano-
dc.contributor.authorFernandes, João Roberto-
dc.identifier.citationMikrochimica Acta, v. 117, n. 3-4, p. 239-244, 1995.-
dc.description.abstractA potentiometric sensor for the perchlorate anion was developed by mixing chemically modified silicagel with pyridinium perchlorate, with an epoxy polymer and graphite. The electrode showed Nernstian response between 1.0 × 10-2 and 1.0 × 10-3M perchlorate concentrations. The electrode showed high selectivity to this ion at solutions pH between 5.5 and 8.0. The presence of IO4 -, NO3 -,Br-, IO3 -, Cl- and SO4 2- ions in the solutions, had only small interference in the electrode response in the range mentioned. © 1995 Springer-Verlag.en
dc.subjectmodified silica gel-
dc.subjectperchlorate analysis-
dc.subjectperchlorate selective electrode-
dc.subjectpyridinium ion-
dc.titlePotentiometric study using chemically modified silica gel with pyridinium as membrane for ClO4 - ionsen
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationInstituto de Quimica Unicamp, CP 6154, Campinas, SP, 13081-970-
dc.description.affiliationDepartamento de Quimica Faculdade de Ciencias, Unesp, Bauru, SP, 17033-360-
dc.description.affiliationUnespDepartamento de Quimica Faculdade de Ciencias, Unesp, Bauru, SP, 17033-360-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofMikrochimica Acta-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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