Modified electrode voltammetric sensors for trace metals in environmental samples
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Journal of the Brazilian Chemical Society
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Nafion –modified mercury thin film electrodes have been investigated for the analysis of trace
metals in environmental samples of waters and effluent by batch injection analysis with square
wave anodic stripping voltammetry. The method, involving injection over the detector electrode of
untreated samples of volume of the order of 50 microlitres has fast response, blocking and fouling
of the electrode is minimum as shown by studies with surface-active components. Comparison is
made between glassy carbon substrate electrodes and carbon fibre microelectrode array substrates,
the latter leading to a small sensitivity enhancement. Application to analysis of river water and
industrial effluent for labile zinc, cadmium, lead and copper ions is demonstrated in collected samples
and after acid digestion.
Como referenciar
BRETT, C.M.A.; FUNGARO, D.A. Modified electrode voltammetric sensors for trace metals in environmental samples. Journal of the Brazilian Chemical Society, v. 11, n. 3, p. 298-303, 2000. DOI: 10.1590/S0103-50532000000300017. Disponível em: http://repositorio.ipen.br/handle/123456789/7189. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.