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Vol. 26 No. 23 (2014)

Copyright (c) 2014 Yuechun Qiao1, Jing Li1, Yao Sun1, Quanmin Li1

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Application of Bismuth Film/Nichrome Electrode for Electrocatalytic Reduction of 4-Nitrophenol

https://doi.org/10.14233/ajchem.2014.16777
Yuechun Qiao1
1School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan Province, P.R. China 2Henan Mechanical and Electrical Engineering College, Xinxiang 453002, Henan Province, P.R. China *Corresponding authors: E-mail: qych168@126.com; mercury6068@hotmail.com
Jing Li1
1School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan Province, P.R. China 2Henan Mechanical and Electrical Engineering College, Xinxiang 453002, Henan Province, P.R. China *Corresponding authors: E-mail: qych168@126.com; mercury6068@hotmail.com
Yao Sun1
1School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan Province, P.R. China 2Henan Mechanical and Electrical Engineering College, Xinxiang 453002, Henan Province, P.R. China *Corresponding authors: E-mail: qych168@126.com; mercury6068@hotmail.com
Quanmin Li1
1School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan Province, P.R. China 2Henan Mechanical and Electrical Engineering College, Xinxiang 453002, Henan Province, P.R. China *Corresponding authors: E-mail: qych168@126.com; mercury6068@hotmail.com

Corresponding Author(s) : Yuechun Qiao1

Asian Journal of Chemistry, Vol. 26 No. 23 (2014)

Abstract

In this paper, the inexpensive and versatile nichrome was adopted as a substrate to fabricate the bismuth film/nichrome electrode (BNCE). The bismuth film/nichrome electrode was used as the working electrode to investigate the reduction behavior of 4-nitrophenol by cyclic voltammetry and differential pulse voltammetry. The results revealed that bismuth film/nichrome electrode exhibited a sensitive electrochemical response to 4-nitrophenol in pH 5 CH3COOH-CH3COONa solution and 4-nitrophenol reduction was observed at -0.466 V vs. SCE in one well-defined irreversible peak. The calibration curve with two slopes was obtained in the concentration range of 5 × 10-8 mol/L to 3 × 10-5 mol/L. The detection limit of this method was 5.97 × 10-9 mol/L (S/N = 11). This method had the advantages of low cost, negligible toxicity and high sensitivity. It was successfully applied to determine 4-nitrophenol in lake water sample, with recoveries ranging from 97.5 to 102.1 %.

Keywords

Bismuth film electrode Nichrome substrate Differential-pulse voltammetry 4-Nitrophenol.
Qiao1, Y., Li1, J., Sun1, Y., & Li1, Q. (2014). Application of Bismuth Film/Nichrome Electrode for Electrocatalytic Reduction of 4-Nitrophenol. Asian Journal of Chemistry, 26(23), 7949–7953. https://doi.org/10.14233/ajchem.2014.16777
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