Determination of Tertiary Butylhydroquinone Based on IL porous Carbon Modified Glassy Carbon Electrode

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Determination of Tertiary Butylhydroquinone Based on IL porous Carbon Modified Glassy Carbon Electrode

- Determination of Tertiary Butylhydroquinone Based on IL porous Carbon Modified Glassy Carbon Electrode
- Vol. 35, Issue 6, Pages: 762-764(2016)
- 作者机构：
  
  1. 华东石油技师学院
  2. 东南大学化学化工学院
- 作者简介：
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Determination of Tertiary Butylhydroquinone Based on IL porous Carbon Modified Glassy Carbon Electrode. [J]. 35(6):762-764(2016)
DOI：

Determination of Tertiary Butylhydroquinone Based on IL porous Carbon Modified Glassy Carbon Electrode. [J]. 35(6):762-764(2016) DOI：

摘要

制备了多孔碳固载离子液体纳米材料修饰玻碳电极（GCE），用于抗氧化剂叔丁基对苯二酚(TBHQ)的检测研究。不同电极上的交流阻抗结果表明，经过多孔碳固载离子液体修饰后的玻碳电极阻抗显著减小。多孔碳固载离子液体修饰后电极的氧化峰电流为41.93 μA，比修饰前增大约5.5倍，说明多孔碳固载离子液体可显著提高电极的导电性，促进电极表面的电子转移，提高检测灵敏度。用时间~电流曲线测得TBHQ的线性范围为1.00 ~120.00 μg/mL，检出限为0.16 μg/mL。

Abstract

Novel IL-porous carbons modified glassy carbon electrode(GCE) was prepared for the detection of tertiary butylhydroquinone(TBHQ).The results of electrochemical impedance spectroscopy showed that the electron transfer resistance(Rct) of the IL-porous carbon/GCE was much smaller than that of the bare GCE.For the detection of 8.00 μg/mL TBHQ,the oxidation peak current at the IL-porous carbon/GCE was 41.93 μA,which was about 5.5 times of that at the bare GCE.This indicated that IL-porous carbon could increase the conductivity of the electrode,improve the electron transfer and the detection sensitivity.Therefore,the presence of IL-porous carbon on the electrode surface could enhance the detection sensitivity.Depending on the amperometrici-time curve,the calibration curve for TBHQ determination demonstrated a linear response in the range of 1.00-120.00 μg/mL with a detection a limit of 0.16 μg/mL．

关键词

多孔碳固载离子液体修饰电极叔丁基对苯二酚(TBHQ)油脂

Keywords

IL-porous carbonmodified electrodetertiary butylhydroquinone(TBHQ)oil

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Related Institution

College of Chemistry and Chemical Engineering，Yan’an University，Yan’an

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Liuzhou Institutes for Food and Drug Control

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