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- Title
Facile and Simultaneous Stripping Determination of Zinc, Cadmium and Lead on Disposable Multiwalled Carbon Nanotubes Modified Screen-Printed Electrode.
- Authors
Fu, Liang; Li, Xueling; Yu, Jianshuan; Ye, Jianshan
- Abstract
Screen-printed electrodes (SPEs) are cheap and disposable. But their application for heavy metal detection is limited due to the low sensitivity and poor selectivity. Here we report the ultrasensitive and simultaneous determination of Zn2+, Cd2+ and Pb2+ on a multiwalled carbon nanotubes and Nafion composite modified SPE with in situ plated bismuth film (MWCNTs/NA/Bi/SPE). The linear curves range from 0.5-100 µg L−1 for Zn2+ and 0.5-80 µg L−1 for Cd2+. Uniquely, the linear curve for Pb2+ ranges from 0.05-100 µg L−1 with a detection limit of 0.01 µg L−1. The practical application was verified in real samples with satisfactory results.
- Publication
Electroanalysis, 2013, Vol 25, Issue 2, p567
- ISSN
1040-0397
- Publication type
Article
- DOI
10.1002/elan.201200248