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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yang, Die Wang, Liang Chen, Zuliang Megharaj, Mallavarapu Naidu, Ravi |
| Copyright Year | 2014 |
| Abstract | We report on a glassy carbon electrode modified with bismuth nanoparticles (NanoBiE) for the simultaneous determination Pb2+ and Cd2+ by anodic stripping voltammetry. Operational parameters such as bismuth nanoparticles labelling amount, deposition potential, deposition time and stripping parameters were optimized with respect to the determination of Pb2+ and Cd2+ in 0.1 M acetate buffer solution (pH 4.5). The NanoBiE gives well-defined, reproducible and sharp stripping peaks. The peak current response increases linearly with the metal concentration in a range of 5.0–60.0 μg L−1, with a detection limit of 0.8 and 0.4 μg L−1 for Pb2+ and Cd2+, respectively. The morphology and composition of the modified electrode before and after voltammetric measurements were analysed by scanning electron microscopy and energy dispersive X-ray analysis. The NanoBiE was successfully applied to analysis of Pb2+ and Cd2+ in real water samples and the method was validated by ICP-MS technique, suggesting that the electrode can be considered as an interesting alternative to the bismuth film electrode for possible use in electrochemical studies and electroanalysis. Figure A bismuth nanoparticles modified glassy carbon electrode (NanoBiE) was developed for the simultaneous determination of Pb2+ and Cd2+. The NanoBiE exhibited very high sensitivity and selectivity over trace heavy metal ions in the solution. |
| Starting Page | 1199 |
| Ending Page | 1206 |
| Page Count | 8 |
| File Format | |
| ISSN | 00263672 |
| Journal | Microchimica Acta |
| Volume Number | 181 |
| Issue Number | 11-12 |
| e-ISSN | 14365073 |
| Language | English |
| Publisher | Springer Vienna |
| Publisher Date | 2014-04-01 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bismuth nanoparticles Voltammetry Glassy carbon electrode Heavy metals Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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