Voltammetric Behaviour of Cu-NTA and Pb-NTA on a Mercury Iridiun Microelectrode Coated with Agarose | Zendy

M I Portela | Zendy; Sofia Capelo | Zendy; José Paulo Pinheiro | Zendy

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Voltammetric Behaviour of Cu-NTA and Pb-NTA on a Mercury Iridiun Microelectrode Coated with Agarose

Author(s) -

M I Portela,

Sofia Capelo,

José Paulo Pinheiro

Publication year - 2004

Publication title -

portugaliae electrochimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.252

H-Index - 27

eISSN - 1647-1571

pISSN - 0872-1904

DOI - 10.4152/pea.200401043

Subject(s) - agarose , microelectrode , mercury (programming language) , chemistry , materials science , chromatography , electrode , computer science , programming language

The complexation of nitriloacetic acid (NTA) with copper and lead was studied by square wave stripping voltammetry (SWSV) using a mercury iridium microelectrode as the working electrode. The results show that NTA interfere with the measurements, but if the mercury iridium microelectrode is coated with different concentrations of agarose (0.75%, 1.5% and 15% w/v) this interference is greatly minimized. The best results were obtained with 1.5% agarose.

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