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Type: Artigo de periódico
Title: Potentiometric Study Using Chemically Modified Silica Gel With Pyridinium As Membrane For Clo4 - Ions
Author: Lorencetti L.L.
Gushikem Y.
Kubota L.T.
de Oliveira Neto G.
Fernandes J.R.
Abstract: A 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.
Editor: Springer-Verlag
Rights: fechado
Identifier DOI: 10.1007/BF01244893
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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