A5025922693- Electrochemical Analysis and Applications
- Analytical chemistry methods development
- Analytical Chemistry and Sensors
- Molecular Sensors and Ion Detection
Entomological Society of Brazil
2017
Universidade Estadual de Londrina
2017
This paper describes the development of an electrochemical sensor highly selective to Pb2 + ions based on drop-coated glassy carbon electrode (GCE) with a suspension ion imprinted polymer (IIP) loaded 1-(2-pyridylazo)-2-naphthol (PAN) (IIP-PAN) and multi-walled nanotubes (MWCNT). The has been characterized by SEM TGA. method is open-circuit preconcentration onto modified in 0.05 mol L− 1 Tris-HCl buffer solution at pH 6.0 during 20 min. reduction was than performed closed circuit − 1.2 V 60...
A new ion-selective imprinted polymer based on poly(methacrylic acid) loaded with 1-(2-pyridylazo)-2-naphthol (PAN) (IIP/PAN) has been synthesized, characterized and evaluated for the preconcentration of Pb<sup>2+</sup> on-line determination by flame atomic absorption spectrometry.