Application of polygold/acetylene black composite film modified glassy carbon electrode in detecting hydroquinone

A technology of glassy carbon electrode and hydroquinone, which is applied in the application field of polygold/acetylene black composite film modified glassy carbon electrode in the detection of hydroquinone, which can solve the problem of needing large analytical instruments, cumbersome steps, high price, etc. problem, to achieve the effect of improving the linear range, low cost and good stability

Inactive Publication Date: 2018-12-21
XINYANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods usually require pretreatment of the sample, the steps are cumbersome and time-consuming, and most of them require large-scale analytical instruments, which are expensive and cannot meet the requirements of rapid on-site determination

Method used

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  • Application of polygold/acetylene black composite film modified glassy carbon electrode in detecting hydroquinone
  • Application of polygold/acetylene black composite film modified glassy carbon electrode in detecting hydroquinone
  • Application of polygold/acetylene black composite film modified glassy carbon electrode in detecting hydroquinone

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Embodiment 1

[0027] The preparation method of polygold / acetylene black composite film modified glassy carbon electrode comprises the following steps:

[0028] 1) Ultrasonic dispersion of acetylene black into double distilled water to obtain acetylene black suspension; the content of acetylene black in the acetylene black suspension is 1mg / mL;

[0029] 2) The polished glassy carbon electrode with an effective diameter of 3 mm was ultrasonically cleaned in absolute ethanol and double-distilled water, and then rinsed with double-distilled water, and the suspension of acetylene black was dropped on the surface of the glassy carbon electrode, and placed in The acetylene black modified glassy carbon electrode ACET / GCE was obtained by drying under infrared light; the polished glassy carbon electrode was first polished by sandpaper and then polished to a mirror surface with 0.3 mm and 0.05 mm of alumina powder and suede in turn; each The dropwise amount of acetylene black suspension on the glassy ...

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Abstract

The invention discloses a preparation method of a polygold / acetylene black composite film modified glassy carbon electrode, and discloses an application of a polygold / acetylene black composite film modified glassy carbon electrode in detecting hydroquinone at the same time. In the application of the polygold / acetylene black composite film modified glassy carbon electrode in detecting hydroquinone,the glassy carbon electrode modified by the acetylene black / nanogold composite material is a working electrode, which significantly improves the sensitivity and linear range of the analysis method, and has advantages of good stability, easy preparation, low cost, good reproducibility and the like.

Description

technical field [0001] The invention specifically relates to the application of polygold / acetylene black composite film modified glassy carbon electrode in detecting hydroquinone. Background technique [0002] Hydroquinone (HQ) is an important phenolic compound, which is widely used in photographic developer, synthetic dye, polymerization inhibitor, inhibitor, rubber antioxidant and food antioxidant in daily production and life. However, hydroquinone is difficult to degrade and has toxicity, which has caused serious pollution to the environment. Therefore, it is of great significance to establish a rapid and sensitive detection method for hydroquinone. [0003] At present, the determination methods of hydroquinone mainly include high performance liquid chromatography, spectrophotometry, chemiluminescence and electrochemical methods. These methods usually require sample pretreatment, the steps are cumbersome and time-consuming, and most of them require large-scale analytica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/30G01N27/413G01N27/48
CPCG01N27/301G01N27/413G01N27/48
Inventor 师赛鸽朱祥龙许春萱芦洋杜仁乐
Owner XINYANG NORMAL UNIVERSITY
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