Water Science & Technology: Water Supply Vol 1 No 2 pp 1–8 © IWA Publishing 2001
Application of catalytic adsorptive stripping voltammetry in water analysis
A Bobrowski* and J Zarebski**
*
Faculty of Material Engineering and Ceramics, University of Mining and
Metallurgy, Al. Mickiewicza 30, 30-059 Krak-w, Poland
(Email: gcbobrow@cyf-kr.edu.pl)
**
Faculty of Material Engineering and Ceramics, University of Mining and
Metallurgy, Al. Mickiewicza 30, 30-059 Krak-w, Poland
(Email: gcbobrow@cyf-kr.edu.pl)
ABSTRACT
The application of catalytic adsorptive striping voltammetry (CAdSV) for
the determination of the trace elements in water is presented. The CAdSV,
coupling of very efficient adsorptive accumulation of the electroactive
species on the electrode surface with the catalytic reaction, provides a
significant amplification of the analytical response, and consequently a
considerable decrease of the detection limit, as well as an improvement of
the selectivity of the determination. The course of the catalytic reactions
occurring in catalytic systems, which is most frequently applied in CAdSV
analysis, is given. The features and advantages of the CAdSV method and
its exploitation in ultratrace analysis of water samples are discussed.
Numerous examples of the CAdSV systems, which have found application in
the determination of Co, Cr, U, Fe, Mo, Pt, Rh, Ti, W and V, as well as
of some anions and organic substances in various kinds of water, are listed.
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