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Polymerized reactive brilliant orange K-7R membrane electrode, as well as preparation method and application method thereof

A K-7R, active bright orange technology, applied in the field of analysis and detection materials, can solve the problems of complicated operation and high detection cost of pH meter, and achieve the effect of high reliability

Active Publication Date: 2014-09-10
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of polyactive brilliant orange K-7R membrane electrode, solve the existing pH meter detection cost high, the problem of complicated operation deficiency

Method used

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  • Polymerized reactive brilliant orange K-7R membrane electrode, as well as preparation method and application method thereof
  • Polymerized reactive brilliant orange K-7R membrane electrode, as well as preparation method and application method thereof
  • Polymerized reactive brilliant orange K-7R membrane electrode, as well as preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] To prepare poly-activated brilliant orange K-7R membrane electrode, follow the steps below:

[0092] Step 1, preparing graphite electrodes,

[0093] First, cut the graphite rod into 2cm small pieces, boil in the paraffin solution for 30min; then cut the 5cm copper wire, polish the 1cm ends of the copper wire, wind the two copper wires on the two ends of the graphite rod respectively, and put the Copper wires and graphite rods were fixed together to make a graphite electrode; then the graphite electrode prepared in the previous step was polished with weighing paper, and then ultrasonically washed with absolute ethanol and double distilled water for 5 min to remove impurities on the electrode surface, and then aired Dry and set aside.

[0094] Step 2, prepare polyactive orange K-7R film on graphite electrode:

[0095] First, the graphite electrode treated in step 1 was placed in a B-R buffer solution with a pH of 7 containing activated brilliant orange K-7R monomer. Am...

Embodiment 2

[0109] To prepare poly-activated brilliant orange K-7R membrane electrode, follow the steps below:

[0110] Step 1, preparing graphite electrodes,

[0111] First, cut the graphite rod into 4cm small pieces, boil in paraffin solution for 50min; then cut the 10cm copper wire, polish the two ends of the copper wire about 2cm clean, wind the two copper wires around the two ends of the graphite rod respectively, and Fix the copper wire and graphite rod together to make a graphite electrode; then polish the graphite electrode prepared in the previous step with weighing paper, and then ultrasonically wash it with absolute ethanol and double distilled water for 10 min to remove impurities on the electrode surface, Let dry and set aside.

[0112] Step 2, prepare polyactive orange K-7R film on graphite electrode:

[0113] First, the graphite electrode treated in step 1 was placed in a B-R buffer solution with a pH of 7 containing activated brilliant orange K-7R monomer. Among them, t...

Embodiment 3

[0127] To prepare poly-activated brilliant orange K-7R membrane electrode, follow the steps below:

[0128] Step 1, preparing graphite electrodes,

[0129] First, cut the graphite rod into 3cm small pieces, boil in paraffin solution for 40min; then cut the 7cm copper wire, polish the two ends of the copper wire about 1.5cm clean, wind the two copper wires on the two ends of the graphite rod respectively, and Fix the copper wire and graphite rod together to make a graphite electrode; then polish the graphite electrode prepared in the previous step with weighing paper, and then ultrasonically wash it with absolute ethanol and double distilled water for 8 minutes to remove impurities on the electrode surface , dry for later use.

[0130] Step 2, prepare polyactive orange K-7R film on graphite electrode:

[0131] First, the graphite electrode treated in step 1 was placed in a B-R buffer solution with a pH of 7 containing activated brilliant orange K-7R monomer. Among them, the ...

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Abstract

The invention discloses a polymerized reactive brilliant orange K-7R membrane electrode which structurally comprises a graphite rod and a polymerized reactive brilliant orange K-7R membrane wrapping the surface of the graphite rod, wherein copper wires are connected to two ends of the graphite rod; the copper wires are fixed on the graphite rod through rubber clamps. The invention further discloses a preparation method of the polymerized reactive brilliant orange K-7R membrane electrode. The preparation method specifically comprises the following steps: 1, preparing a graphite electrode, and 2, preparing the polymerized reactive brilliant orange K-7R membrane on the graphite electrode. The problems that a conventional pH meter is high in detection cost and complete to operate are solved. The invention further discloses a method for the pH detection by using the prepared polymerized reactive brilliant orange K-7R membrane graphite electrode. The method specifically comprises the following steps: 1, connecting the prepared polymerized reactive brilliant orange K-7R membrane graphite electrode according to a zero current potential system device, and 2, performing the detection and the calculation on the pH of a sample solution according to a relationship equation, EZCP=a-bM, between the zero current potential EZCP and the concentration of p-chloroaniline.

Description

technical field [0001] The invention belongs to the technical field of analysis and detection materials, and in particular relates to a polyactive bright orange K-7R membrane electrode. The invention also relates to a preparation method of the polyactive brilliant orange K-7R membrane electrode and a method for detecting pH value under a zero current potential system using the prepared polyactive brilliant orange K-7R membrane electrode. Background technique [0002] The main disadvantages of the currently used pH meters are that the operation is cumbersome, the materials of the supporting electrodes are relatively expensive, and after several times of use, the electrolyte in the electrodes needs to be replenished manually, the electrodes are polluted and the reliability is low. Zero current potential is a new type of interface potential sensing technology. It is not necessary for the system to be detected to contain substances with voltammetric response signals. The magnitu...

Claims

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Application Information

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IPC IPC(8): G01N27/30G01N27/48
Inventor 马明明杨家彪苏新科同帜
Owner XI'AN POLYTECHNIC UNIVERSITY
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