2010
DOI: 10.1590/s0100-40422010000600032
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Desenvolvimento, caracterização e aplicação eletroanalítica de um compósito fluido de adesivo epóxi, grafite e ciclo-hexanona

Abstract: Recebido em 6/10/09; aceito em 25/1/10; publicado na web em 3/5/10 DEVELOPMENT, CHARACTERIZATION AND ELECTROANALYTICAL APPLICATION OF A FLUID COMPOSITE MADE OF EPOXY ADHESIVE, GRAPHITE, AND CICLOHEXANONE. 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 volt… Show more

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Cited by 10 publications
(12 citation statements)
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“…However, such electrode activation provided poor voltammetric responses for Cd, Pb, and Zn using our proposed graphite-composite electrodes. Previous investigations of our research group have verified that the graphite-composite electrodes are not compatible with strong alkaline media [15][16][17][18]. Thus, this may be the explanation for not obtaining well-shaped and sensitive responses for Cd, Pb, and Zn after electrode activation in alkaline solutions.…”
Section: Swasv Determinations Of CD Pb and Znmentioning
confidence: 79%
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“…However, such electrode activation provided poor voltammetric responses for Cd, Pb, and Zn using our proposed graphite-composite electrodes. Previous investigations of our research group have verified that the graphite-composite electrodes are not compatible with strong alkaline media [15][16][17][18]. Thus, this may be the explanation for not obtaining well-shaped and sensitive responses for Cd, Pb, and Zn after electrode activation in alkaline solutions.…”
Section: Swasv Determinations Of CD Pb and Znmentioning
confidence: 79%
“…The production of a fluid graphite-composite using epoxy adhesive, graphite and cyclohexanone was previously described by our research group [15][16][17][18]. Epoxy resin was added to cyclohexanone and magnetically stirred.…”
Section: Working-electrode Preparationmentioning
confidence: 99%
“…30 Neste estudo, as proporções entre adesivo epóxi, grafite e ciclo-hexanona foram otimizadas, respectivamente, em 0,04/0,4/0,56 (m/m). No presente trabalho, os estudos foram direcionados à fração grafite do compósito, onde o objetivo foi identificar a proporção adequada entre grafite modificado com AP (GAP) e grafite puro (GR) para a detecção de H 2 O 2 .…”
Section: Resultados E Discussão Otimização Do Componente Grafite Do Cunclassified
“…Parâmetros voltamétricos para os eletrodos compósito contendo diferentes proporções de grafite modificado com azul da Prússia (GAP) e grafite puro (GR) com os respectivos excessos superficiais (G) de AP no eletrodo Conforme trabalho anterior, 30 uma das vantagens da preparação de compósitos fluidos é a possibilidade de utilização da mesma mistura (adesivo epóxi, grafite e ciclo-hexanona) durante 1 mês, pois o material permanece fluido neste intervalo de tempo (frasco hermeticamente fechado). A cura somente ocorre com a fração de material usada na construção de um sensor.…”
Section: Resultados E Discussão Otimização Do Componente Grafite Do Cunclassified
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