An electrochemical sensor based on CuO nanoparticle for simultaneous determination of hydrazine and bisphenol A |
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Authors: | Nader Teymoori Jahan Bakhsh Raoof Mohammad A Khalilzadeh Reza Ojani |
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Institution: | 1.Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry,University of Mazandaran,Babolsar,Iran;2.Department of Chemistry, Qaemshahr Branch,Islamic Azad University,Qaemshahr,Iran |
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Abstract: | In the present research, the direct electrochemical oxidation of hydrazine in the presence of bisphenol A was investigated at a copper oxide nanoparticles/ionic liquid/carbon paste electrode (CuO NPs/IL/CPE). The combination of the good conductive 1-hexyl-3-methylimidazolium hexafluorophosphate and CuO nanoparticles resulted in an electrode with attractive properties for the determination of hydrazine in the presence of bisphenol A. The linear dynamic ranges were obtained in the ranges of 0.05–150 and 0.2–175 µM with the detection limits (3sb/m) 0.03 and 0.1 µM for HY and BPA, respectively. High stability, sensitivity, selectivity and reproducibility, fast response, the ease of preparation, and surface renewal made the sensor well suitable for the determination of hydrazine in the presence of bisphenol A, which are important pollutants in the environment. Finally, this new sensor was used for the determination of HY and BPA in some water samples such as river water and wastewater. |
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