Voltammetric determination of tert-Butylhydroquinone in food samples using carbon paste electrode modified with Au nanoparticle and ionic liquid

Document Type : Original Article

Authors

Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran

Abstract

Abstract
Electrochemical determination of tert-Butylhydroquinone was investigated at surface of carbon paste electrode modified with Au nanoparticle and 1-methyl-3-octylimidazolium tetrafluoroborate as sensor. The Au nanoparticle was biosynthesized by Nettles extract and its morphological structure was characterized by TEM method. The modified electrode (carbon paste electrode modified with Au nanoparticle and 1-methyl-3-octylimidazolium tetrafluoroborate) accelerated the oxidation reaction of tert-Butylhydroquinone as food antioxidant. In the optimum condition, the linear dynamic range 5.0 nM-450µM with detection limit 1.0 nM was obtained for determination of tert-Butylhydroquinone. The fabricated sensor of was successfully used for analysis of tert-Butylhydroquinone in food samples.

Keywords: tert-Butylhydroquinone, Au nanoparticle, Biosynthesis, Electrochemical sensor, 1-methyl-3-octylimidazolium tetrafluoroborate

Keywords

References

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Applied Chemistry Today
Volume 15, Issue 55
June 2020
Pages 289-298

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