Bulletin of the Chinese Ceramic Society, Volume. 42, Issue 8, 3005(2023)

Electrochemical Sensor Based on Nano-ZnO-C Composite Materials for Determination of Hydroquinone

LOU Tongfang1、*, XU Hongjie2, PAN Jimin3, ZHANG Yan4, and LEI Honghong5
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
  • 4[in Chinese]
  • 5[in Chinese]
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    Hydroquinone(HQ) was mainly used in the industrial field as a stabilizing agent and antioxygen. The residue of hydroquinone in industrial wastewater was seriously harmful to human body and environment. Therefore, it is of great significance to establish a simple and accurate method for the detection of hydroquinone for food safety and environmental monitoring. In this paper, a nano-zinc oxide-high purity graphite/glass carbon (ZnO-C/GC) composite electrochemical sensor was prepared. The experimental materials were simple and low cost. The structural characteristics, surface characteristics and conductivity of nano-ZnO-C composites material were analyzed by atomic force microscope (AFM), field emission scanning electron microscope (SEM), X-ray diffraction (XRD) and electrochemical AC impedance (EIS). Hydroquinone by cyclic voltammetry (CV) was used to realize the detection of hydroquinone by nano-ZnO-C/GC composite electrochemical sensor. The electrocatalytic mechanism of hydroquinone was explored. The electrochemical sensor has good stability and accuracy for the detection of hydroquinone, a wide linear range, and a detection limit of 1.0 × 10-8 mol/L.

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    LOU Tongfang, XU Hongjie, PAN Jimin, ZHANG Yan, LEI Honghong. Electrochemical Sensor Based on Nano-ZnO-C Composite Materials for Determination of Hydroquinone[J]. Bulletin of the Chinese Ceramic Society, 2023, 42(8): 3005

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    Paper Information

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    Received: May. 14, 2023

    Accepted: --

    Published Online: Nov. 1, 2023

    The Author Email: Tongfang LOU (loutongfang88@163.com)

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