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Determination of zinc and cadmium with characterized Electrodes of carbon and polyurethane modified by a bismuth film

Bernardelli, Jossy Karla Brasil ; Lapolli, Flávio Rubens ; Cruz, Carlos Marcus Gomes da Silva ; Floriano, João Batista

Materials research (São Carlos, São Paulo, Brazil), 2011-09, Vol.14 (3), p.366-371 [Periódico revisado por pares]

ABM, ABC, ABPol

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Título:
Determination of zinc and cadmium with characterized Electrodes of carbon and polyurethane modified by a bismuth film
Autor: Bernardelli, Jossy Karla Brasil ; Lapolli, Flávio Rubens ; Cruz, Carlos Marcus Gomes da Silva ; Floriano, João Batista
Assuntos: Anodic stripping ; Bismuth ; bismuth film ; Cadmium ; Carbon ; Electrodes ; ENGINEERING, CHEMICAL ; MATERIALS SCIENCE, MULTIDISCIPLINARY ; METALLURGY & METALLURGICAL ENGINEERING ; metals ; modified electrode ; Polyurethane resins ; Voltammetry ; Zinc
É parte de: Materials research (São Carlos, São Paulo, Brazil), 2011-09, Vol.14 (3), p.366-371
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: This study aims to use electrodes modified with bismuth films for the determination of zinc and cadmium. The film was electrodeposited ex situ on a composite carbon electrode with polyurethane and 2% metallic bismuth (2BiE) and on a carbon bar electrode (CBE). The electrodes were characterized by scanning electron microscopy and energy dispersive spectroscopy. Through differential pulse anodic stripping voltammetry, the electrodes 2BiE and CBE containing bismuth films showed a limit of detection (LOD) of 5.56 x 10 super(-5) and 3.07 x 10 super(-5) g.L super(-1) for cadmium and 1.24 x 10 super(-4) and 1.53 x 10 super(-4) g.L super(-1) for zinc, respectively. The presence of a bismuth film increased the sensitivity of both electrodes.
Editor: ABM, ABC, ABPol
Idioma: Inglês;Português;Espanhol

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Determination of zinc and cadmium with characterized Electrodes of carbon and polyurethane modified by a bismuth film

Bernardelli, Jossy Karla Brasil ; Lapolli, Flávio Rubens ; Cruz, Carlos Marcus Gomes da Silva ; Floriano, João Batista

ABM, ABC, ABPol

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