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|Type:||Artigo de periódico|
|Title:||Potentiometric Study Using Chemically Modified Silica Gel With Pyridinium As Membrane For Clo4 - Ions|
de Oliveira Neto G.
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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