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Parachloroaniline imprinted polymer membrane electrode, and preparation method and application method thereof

An imprinted polymer, p-chloroaniline technology, applied in the direction of material electrochemical variables, can solve the problems of cumbersome operation, long detection period, low selectivity, etc., and achieve the effect of high sensitivity

Active Publication Date: 2014-09-03
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an imprinted polymer membrane electrode for p-chloroaniline, which solves the defects of low selectivity, cumbersome operation and long detection period when the existing chromatographic analysis technology is used to detect p-chloroaniline

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  • Parachloroaniline imprinted polymer membrane electrode, and preparation method and application method thereof
  • Parachloroaniline imprinted polymer membrane electrode, and preparation method and application method thereof
  • Parachloroaniline imprinted polymer membrane electrode, and preparation method and application method thereof

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preparation example Construction

[0052] The preparation method of the p-chloroaniline imprinted polymer membrane electrode of the present invention is specifically implemented according to the following steps:

[0053] Step 1, prepare graphite electrode,

[0054] Step 1.1, cut the graphite rod into small pieces of 2 to 4 cm, and boil for 30 to 50 minutes in a paraffin solution;

[0055] Step 1.2, cut 5-10cm of copper wire, polish the copper wire at 1 to 3cm at both ends, wind the two copper wires on both ends of the graphite rod, and fix the copper wire and graphite rod together to make Graphite electrode

[0056] In step 1.3, polish the graphite electrode prepared in step 1.2 with weighing paper, and then ultrasonically wash it with absolute ethanol and double distilled water for 5-10 minutes to remove impurities on the electrode surface, and dry it for later use.

[0057] Step 2. Prepare p-chloroaniline imprinted polymer film on graphite electrode:

[0058] Step 2.1: Place the treated graphite electrode in a PBS buff...

Embodiment 1

[0105] The preparation of chloroaniline imprinted polymer membrane electrode is carried out according to the following steps: Step 1, preparation of graphite electrode, first cut the graphite rod into 2cm pieces, and boil it in paraffin solution for 30min; then cut 5cm copper wire, and cut the copper wire into two pieces. The end 1cm is polished clean, two copper wires are respectively wound around the two ends of the graphite rod, and the copper wire and the graphite rod are fixed together to make a graphite electrode; finally the prepared graphite electrode is polished with weighing paper, and then used Anhydrous ethanol and double-distilled water were ultrasonically washed for 5 minutes each to remove impurities on the electrode surface, and dried for later use.

[0106] Step 2. Prepare the p-chloroaniline imprinted polymer film on the graphite electrode: first, place the treated graphite electrode in a PBS buffer solution for deoxygenation for 10 minutes. The PBS buffer soluti...

Embodiment 2

[0111] The preparation of chloroaniline imprinted polymer membrane electrode is carried out according to the following steps: Step 1, preparation of graphite electrode, first cut the graphite rod into 4cm pieces, and boil it in paraffin solution for 50min; then cut a 10cm copper wire, and cut the copper wire into two pieces. The end 2cm is polished clean, two copper wires are respectively wound around the two ends of the graphite rod, and the copper wire and the graphite rod are fixed together to make a graphite electrode; finally the prepared graphite electrode is polished with weighing paper, and then used Anhydrous ethanol and double-distilled water were ultrasonically washed for 10 minutes each to remove impurities on the electrode surface, and dried for later use.

[0112] Step 2. Prepare the p-chloroaniline imprinted polymer film on the graphite electrode: first, place the treated graphite electrode in a PBS buffer solution for deoxygenation for 15 minutes. The PBS buffer so...

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Abstract

The invention discloses a preparation method of a parachloroaniline imprinted polymer membrane electrode. The preparation method comprises the specific steps: 1, preparing a graphite electrode; 2, preparing a parachloroaniline imprinted polymer membrane on the graphite electrode; 3, eluting to prepare the parachloroaniline imprinted polymer membrane electrode. The invention further discloses a method for detecting parachloroaniline by using the parachloroaniline imprinted polymer membrane electrode. The method comprises the specific steps: connecting the prepared graphite electrode with the parachloroaniline imprinted polymer membrane on the surface according to a zero-current potential system; testing a to-be-tested sample solution by using a formula of relation between the zero-current potential EZCP and parachloroaniline concentration. According to the invention, the defects of low sensitivity, complicated operation and long detection period of the prior art when parachloroaniline is detected by using a chromatographic analysis technology are solved.

Description

Technical field [0001] The invention belongs to the technical field of analysis and detection materials, and specifically relates to an imprinted polymer membrane electrode of p-chloroaniline. The invention also relates to a preparation method of the imprinted polymer membrane electrode of p-chloroaniline and the prepared p-chloroaniline imprinted polymerization A method for detecting p-chloroaniline under a zero current potential system with a film electrode. Background technique [0002] P-Chloroaniline (PCA) is a chlorinated aromatic amine compound, which is the main raw material and intermediate for synthetic rubber, chemical reagents, dyes and other chemical products, as well as medicines and pesticides. PCA is widely distributed and accumulated in farmland soil and industrial wastewater. It is toxic when inhaled or in contact with the skin, and has a cluster of poisoning hazards. Once a person is poisoned, it will cause symptoms such as liver swelling, liver pain, and memor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/30G01N27/48
Inventor 马明明赵强苏新科同帜
Owner XI'AN POLYTECHNIC UNIVERSITY
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