Analytical and Bioanalytical Chemistry

, Volume 396, Issue 3, pp 1365–1369 | Cite as

Stripping analysis of heavy metals in tap water using the bismuth film electrode

  • Núria Serrano
  • José Manuel Díaz-Cruz
  • Cristina Ariño
  • Miquel Esteban
Technical Note

Abstract

A commercially available screen-printed carbon electrode coated with an ex situ deposited bismuth film (BiSPCE) has been applied to the determination of Pb(II) and Zn(II) ions in tap water (Barcelona water distribution network) by means of stripping voltammetry (SV) and stripping chronopotentiometry (SCP). A good reproducibility of the measurements and a satisfactory agreement between SV and SCP data were observed for both heavy metal ions. Although, in principle, the procedure could be also suited to the determination of Cd(II), this species was not detected. The results were also consistent with the routine ICP-OES measurements of the water distribution company, thus confirming the potential usefulness of such BiSPCE disposable devices for the analysis of heavy metals in natural waters.

Figure

DPASV measurements of Pb(II)-Cd(II)-Zn(II) system in 0.01 mol L-1 KNO3 on bismuth film coated screen-printed carbon electrode (BiSPCE

Keywords

Bismuth film screen-printed carbon electrode Ex situ deposition Constant-current stripping chronopotentiometry Stripping voltammetry Heavy metals in tap water 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Núria Serrano
    • 1
  • José Manuel Díaz-Cruz
    • 1
  • Cristina Ariño
    • 1
  • Miquel Esteban
    • 1
  1. 1.Departament de Química Analítica. Facultat de QuímicaUniversitat de BarcelonaBarcelonaSpain

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