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Electrodeposition of mercury film on electrodes modified with clay minerals

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Abstract

A new type of carbon paste electrode modified with clay mineral and covered with a mercury film is presented in this work. Electrodeposition of the mercury film was performed on the carbon paste electrode modified with montmorillonite. The mercury film was deposited by both electrodeposition in situ and a preliminary electrodeposition. The pre-deposited film of mercury showed to be suitable for anodic stripping voltammetry. An open-circuit sorption of Cd, Pb, and Cu with subsequent anodic stripping voltammetry exhibited higher current responses of metals. Besides the enhanced sensitivity superior separation of the current responses during a simultaneous stripping of metals is expected to be achieved by means of the newly prepared electrode.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Sciences, University of Ostrava, CZ-701 03, Ostrava, Czech Republic

    Z. Navrátilová

  2. Institute of Georacs, Academy of Sciences of the Czech Republic, CZ-708 00, Ostrava, Czech Republic

    L. Vaculíková

Authors
  1. Z. Navrátilová
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  2. L. Vaculíková
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Navrátilová, Z., Vaculíková, L. Electrodeposition of mercury film on electrodes modified with clay minerals. Chem. Pap. 60, 348–352 (2006). https://doi.org/10.2478/s11696-006-0063-3

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  • DOI: https://doi.org/10.2478/s11696-006-0063-3

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