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Electrochemical determination of methyl parathion at a Pd/MWCNTs-modified electrode

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Abstract

Palladium nanoparticles supported on MWCNTs (Pd/MWCNTs) were successfully prepared by a simple ethylene glycol reduction method in an oil bath. An electrochemical sensor based on Pd/MWCNTs nanocomposite-modified glassy carbon electrode was fabricated for the determination of methyl parathion by differential pulse voltammetry measurement. A highly linear response to methyl parathion in the concentration ranging from 0.10 μg mL−1 to 14 μg mL−1 was observed, and a detection limit of 0.05 μg mL−1 was obtained with the calculation based on signal/noise = 3. The present work provides a simple and rapid approach to the detection of methyl parathion.

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Acknowledgements

The authors would like to acknowledge Ministry of Science and Technology of China (2008AA06Z311) for financial support.

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Authors and Affiliations

  1. Nano Science Research Center, School of Chemistry and Chemical Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, People’s Republic of China

    Biao Huang, Wei-De Zhang, Cai-Hong Chen & Yu-**ang Yu

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  1. Biao Huang
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  2. Wei-De Zhang
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  3. Cai-Hong Chen
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  4. Yu-**ang Yu
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Correspondence to Wei-De Zhang.

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Huang, B., Zhang, WD., Chen, CH. et al. Electrochemical determination of methyl parathion at a Pd/MWCNTs-modified electrode. Microchim Acta 171, 57–62 (2010). https://doi.org/10.1007/s00604-010-0408-z

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  • DOI: https://doi.org/10.1007/s00604-010-0408-z

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