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Preparation method of CoAl-LDH/PANI modified electrode

A technology for modifying electrodes, TX-100, is applied in the fields of electrochemical variables of materials, material analysis by electromagnetic means, instruments, etc., which can solve the problems of affecting electrical conductivity and electrochemical catalytic performance, instability, and large size of polyaniline. To achieve the effect of improving adsorption and capture capacity, uniform size, and improved electrical conductivity

Active Publication Date: 2020-07-17
青岛鸿硅高沃新材料科技有限公司
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Problems solved by technology

However, the polyaniline prepared by the traditional synthesis method is often large in size and unstable in the application process, which affects its electrical conductivity and electrochemical catalytic performance.

Method used

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  • Preparation method of CoAl-LDH/PANI modified electrode
  • Preparation method of CoAl-LDH/PANI modified electrode
  • Preparation method of CoAl-LDH/PANI modified electrode

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Embodiment Construction

[0053] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

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Abstract

The invention discloses a preparation method of a CoAl-LDH / PANI modified electrode. The method comprises the following specific steps of S1, preparing hydrotalcite-like LDH: preparing a mixed salt microemulsion A and an alkali microemulsion B by taking hydrophobic ionic liquids BmimPF6 and TX-100 and a water microemulsion system as media, and preparing three CoAl-LDH samples by adopting a double-microemulsion coprecipitation method according to different water contents in the microemulsions, S2, preparation of polyaniline PANI: preparing the PANI by adopting a double-microemulsion method, S3,preparation of CoAl-LDH / PANI, and S4, preparation of the CoAl-LDH / PANI modified electrode. The invention discloses a preparation method of a CoAl-LDH / PANI modified electrode, preparation of the modified electrode is carried out, the electrochemical activity of the electrode is improved, and simultaneous determination of pesticides carbaryl and isoprocarb by the CoAl-LDH / PANI modified electrode isrealized.

Description

technical field [0001] The invention relates to the field of preparation of modified electrodes, in particular to a preparation method of a CoAl-LDH / PANI modified electrode. Background technique [0002] Carbaryl and Isoprocarb both belong to carbamate pesticides and are widely used in the control of agricultural pests. However, due to pesticide residues, carbamate substances entering the human body can cause adverse reactions such as headache, vomiting, diarrhea, urinary incontinence, bronchospasm and dyspnea, and even threaten human life. Therefore, it is urgent to establish a fast, sensitive and selective detection method. Currently commonly used analytical techniques include gas chromatography / mass spectrometry, high performance liquid chromatography / mass spectrometry and fluorescent bioprobes. Although they have high sensitivity, selectivity and accuracy for the determination of pesticides, these methods have the disadvantages of expensive instruments and sample pretre...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/30B82Y40/00C08G73/02
CPCG01N27/308B82Y40/00C08G73/0266Y02E60/13
Inventor 詹天荣臧昊丁桂艳王璐解万翠王磊
Owner 青岛鸿硅高沃新材料科技有限公司
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