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Method for detecting concentration of resorcinol in solution

A technique for resorcinol and quinone, which is applied in the field of detecting the concentration of resorcinol in solution, can solve the problems of inability to meet rapid detection, large consumption of reagents, long analysis time, etc., achieves good thermochemical stability, improves Detection sensitivity, simple preparation effect

Active Publication Date: 2017-01-04
广西恒沁检测科技有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the methods for determining resorcinol mainly include spectrophotometry, high performance liquid chromatography, thin layer chromatography, micellar electrokinetic chromatography, and capillary electrophoresis. Although these techniques are widely used, the instruments used are expensive and The consumption of reagents is large and the analysis time is long, which cannot meet the needs of on-site rapid detection

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  • Method for detecting concentration of resorcinol in solution
  • Method for detecting concentration of resorcinol in solution

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Embodiment 1

[0030] A method for detecting the concentration of resorcinol in a solution, using a three-electrode system to detect the resorcinol in the solution to be tested by cyclic voltammetry, and obtaining the concentration of resorcinol in the solution to be tested according to the linear equation of resorcinol Concentration, the working electrode in the three-electrode system is modified by aminated graphene quantum dots, and the working electrode is a glassy carbon electrode.

[0031] The method for detecting the concentration of resorcinol in the solution, the specific operation of the modification treatment of aminated graphene quantum dots is as follows: the working electrode is immersed in a solution containing 2 mg / mL aminated graphene quantum dots, and taken out after scanning by cyclic voltammetry , dried in an infrared drying oven,

[0032] Among them, the scan parameters are: initial potential 0V, highest potential 1V, lowest point 0V, final potential 0V, scan rate 0.1V / s...

Embodiment 2

[0043] On the basis of embodiment 1, the method for the described detection solution resorcinol concentration, after the working electrode is pretreated, before the aminated graphene quantum dot modification treatment, first undergo the following treatment:

[0044] First prepare an electrolyte solution containing 10mM zirconium oxychloride and 0.3M potassium chloride with magnetized water, then immerse the pretreated working electrode in the electrolyte solution to electrodeposit a layer of nano-zirconia layer; Voltammetric method deposits 8-10 laps at -1.1V ~ +0.7V and then washes with ultrapure water;

[0045] Grind Phytophthora and propolis into powder respectively and pass through a 200-mesh sieve to obtain Phytophthora powder and propolis powder, mix Phytophthora powder with fumed white carbon black, propolis powder and magnetized water according to the mass ratio of 2:2:1:1000, The dispersion was obtained by ultrasonic dispersion, and 10 μL of the dispersion was drop-co...

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Abstract

The invention discloses a method for detecting the concentration of resorcinol in solution. The resorcinol in the to-be-detected solution is detected by three-electrode systems by the aid cyclic voltammetry, the concentration of the resorcinol in the to-be-detected solution is acquired according to linear equations of the resorcinol, and working electrodes of the three-electrode systems are modified and treated by the aid of aminated graphene quantum dots and are glassy carbon electrodes. The method has the advantages that the method is easy to implement and high in sensitivity, the concentration of the resorcinol can be quickly detected by the aid of the method, and the resorcinol in the mixed sample solution can be identified in a high-sensitivity manner by the aid of the method.

Description

technical field [0001] The invention relates to the technical field of resorcinol detection. More specifically, the present invention relates to a method for detecting the concentration of resorcinol in a solution by using cyclic voltammetry based on electrochemical sensing modified by aminated graphene quantum dots. Background technique [0002] Resorcinol is an important chemical raw material, mainly used as an organic intermediate in industries such as medicine, food, dyes, plastics, and rubber. At the same time, resorcinol is also an environmental pollutant with moderate toxicity, can irritate the skin and mucous membranes, and can be quickly absorbed by the skin to generate methemoglobin, causing cyanosis, lethargy and fatal kidney damage, and it is difficult to degrade under natural conditions. It is harmful to the human body and the environment, and has been listed as an environmental pollutant by many national environmental protection organizations. Therefore, it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/48
CPCG01N27/48
Inventor 肖琦黄珊冯萌萌卢双燕黄初升苏炜何英姿
Owner 广西恒沁检测科技有限公司
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