title: Stripping analysis of heavy metals in tap water using the bismuth film electrode.
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.
authors: Departament de Química Analítica. Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain. nuria.serrano@ub.edu
authors: Núria
authors: N
authors: Serrano
authors: José Manuel
authors: JM
authors: Díaz-Cruz
authors: Cristina
authors: C
authors: Ariño
authors: Miquel
authors: M
authors: Esteban
mesh_terms: D001729:Bismuth / Q000737:chemistry*; D002104:Cadmium / Q000032:analysis; D004563:Electrochemistry / Q000379:methods*; D004566:Electrodes; D004784:Environmental Monitoring / Q000379:methods; D007854:Lead / Q000032:analysis; D019216:Metals, Heavy / Q000032:analysis*; D015203:Reproducibility of Results; D014867:Water / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D019216:Metals, Heavy; D014874:Water Pollutants, Chemical; D002104:Cadmium; D014867:Water; D007854:Lead; D015032:Zinc; D001729:Bismuth