4.6 Article

Fast Electrochemical Determination of Imidacloprid at an Activated Glassy Carbon Electrode

Journal

JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 161, Issue 1, Pages B9-B13

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.026401jes

Keywords

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Funding

  1. National Natural Science Foundation of China [21103092]
  2. Fundamental Research Funds for the Central Universities [30920130111003]
  3. Qing Lan Project
  4. Science and Technology Support Plan of Jiangsu Province, China [BE2011835]
  5. PAPD of Jiangsu Province, China [BE2011835]
  6. Excellent Plan Foundation of NUST
  7. Department of Education of Jiangsu Province
  8. [NCET-12-0629]

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A fast and sensitive method for the determination of Imidacloprid (IMI) based on a simply pretreated glassy carbon electrode (GCE) has been developed. The easy activation at 2.0 V for only 30s of GCE leads to obvious catalytic property to IMI. The electrocatalytic properties and the electron-transfer kinetics of the activated GCE were investigated by cyclic voltammetry, differential pulse voltammetry and electrochemical impedance spectroscopy. The reduction mechanism of IMI was put forward and the limit of detection (LoD) was estimated to be about 0.61 mu M. (C) 2013 The Electrochemical Society.

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