Journal
ELECTROANALYSIS
Volume 22, Issue 2, Pages 209-215Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900251
Keywords
Bi/PANI/GC electrode; Trace analysis; Stripping voltammetry; Thin fims
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Funding
- Environment and Water Industry Development Council (EWI), Singapore
- Nanyang Technological University (NTU), Singapore
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To improve reproducibility, stability and sensitivity, a bismuth (Bi) thin film was coated on glassy carbon (GC) Substrates which surfaces were modified with a porous thin layer of polyaniline (PANI) via multipulse potentiostatic electropolymerization to form Bi/PANI/GC electrodes (Bi/PANI/GCEs). The Bi/PANI/GCEs were used successfully for simultaneous detection and determination of Cd2+ and Pb2+ ions, and various parameters were studied with reference to square wave anodic stripping voltammetric (SWASV) signals. The experimental results depicted that the environment-friendly Bi/PANI/GCEs had the ability to rapidly monitor trace heavy metals even in the presence of surface-active compounds.
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