Desenvolvimento, caracterização e aplicação eletroanalítica de um compósito fluido de adesivo epóxi, grafite e ciclo-hexanona Development, characterization and electroanalytical application of a fluid composite made of epoxy adhesive, graphite, and ciclohexanone

• Published in: Química nova Vol. 33; no. 6; pp. 1398 - 1402
• Main Authors: Rodrigo Amorim Bezerra da Silva, Adriano César Rabelo, Otávio Luiz Bottecchia, Rodrigo Alejandro Abarza Muñoz, Eduardo Mathias Richter
• Format: Journal Article
• Language: English
• Published: Sociedade Brasileira de Química 01.01.2010
• Subjects: alternative fabrication method; fluid graphite-epoxy composite; Prussian blue modified electrode
• ISSN: 0100-4042; 1678-7064
• DOI: 10.1590/S0100-40422010000600032

A fluid conducting composite material prepared from graphite powder, commercial epoxy resin Araldite®, and cyclohexanone has been developed. The composition was optimized considering the mechanical properties as conductivity and adhesiveness using response surface methodology. This work employed cyclic voltammetry and amperometry to investigate the characteristics of such composite electrodes without and with the insertion of Prussian blue in the electrode body (bulk modified electrode). The composite electrodes were also successfully used for the amperometric detection of hydrogen peroxide at 0.0V vs Ag/AgCl.