Electrochemical hydrogen cyanide gas sensor

A gas sensor, hydrogen cyanide technology, applied in the field of sensors, can solve the problems of life safety threats of surrounding people, inaccurate measurement, inconvenient to carry, etc., and achieve the effect of reducing interference gas interference, fast response speed, and maintaining sensitivity

Inactive Publication Date: 2019-04-09
JINGZHOU AERITECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Improper use or leakage of hydrogen cyanide gas will pose a serious threat to the lives of people around
At present, in order to prevent the leakage of hydrogen cyanide gas, gas detection tubes, therma

Method used

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  • Electrochemical hydrogen cyanide gas sensor
  • Electrochemical hydrogen cyanide gas sensor
  • Electrochemical hydrogen cyanide gas sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1, the preparation method of the working electrode: the first nanomaterial with a mass ratio of 1:1 is mixed with polytetrafluoroethylene particles to obtain a mixture, and the mixture is rolled, sprayed or printed on the electrode film to obtain a working electrode. For the electrode, the first nanometer material is silver nanometer material, and the electrode film can be a polytetrafluoroethylene film.

Embodiment 2

[0040] Example 2, the preparation method of the reference electrode: the second nanomaterial with a mass ratio of 5:1 is mixed with polytetrafluoroethylene particles to obtain a mixture, and the mixture is rolled, sprayed or printed on the electrode film to obtain a reference electrode. For the electrode, the second nanometer material is silver nanometer material, and the electrode film can be a polytetrafluoroethylene film.

Embodiment 3

[0041] Example 3, the preparation method of the counter electrode: the third nanomaterial with a mass ratio of 10:1 is mixed with polytetrafluoroethylene particles to obtain a mixture, and the mixture is rolled, sprayed or printed on the electrode film to obtain a counter electrode For the electrodes, the third nanomaterials include at least one of silver nanomaterials and rhodium nanomaterials, and the electrode film can be a polytetrafluoroethylene film.

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PUM

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Abstract

The invention relates to an electrochemical hydrogen cyanide gas sensor. The sensor comprises a shell, electrolyte, as well as a working electrode, a reference electrode and a counter electrode, whichare used for forming an ionic conduction in the electrolyte; each of the working electrode, the reference electrode and the counter electrode comprises an electrode membrane and a mixture adsorbed onthe electrode membrane; the mixture on the working electrode includes a first nanometer material and polytetrafluoroethylene particles; the mixture on the reference electrode includes a second nanometer material and the polytetrafluoroethylene particles; the mixture on the counter electrode includes a third nanometer material and the polytetrafluoroethylene particles; the electrolyte is the propylene carbonate solution; and, the lithium perchlorate and the triethanolamine are dissolved in the propylene carbonate solution. The gas sensor provided by the technical scheme of the invention precisely and quickly measures the concentration of the hydrogen cyanide gas, and monitors the concentration of the hydrogen cyanide gas in real time.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to an electrochemical hydrogen cyanide gas sensor. Background technique [0002] Hydrogen cyanide gas is a colorless, highly toxic gas, widely used in organic chemical industry, electroplating, mining metallurgy, paint, dye, rubber and other industries. Improper use or leakage of hydrogen cyanide gas will pose a serious threat to the lives of people around. At present, in order to prevent the leakage of hydrogen cyanide gas, gas detection tubes, thermal conductivity detectors and gas chromatographs are often used to monitor the concentration of hydrogen cyanide gas, but these devices are not accurate enough, time-consuming and inconvenient to carry. Contents of the invention [0003] In order to accurately and rapidly measure the concentration of hydrogen cyanide gas and monitor the concentration of hydrogen cyanide gas in real time, the invention provides an electrochemical hydr...

Claims

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Application Information

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IPC IPC(8): G01N27/413
CPCG01N27/413
Inventor 陈震
Owner JINGZHOU AERITECH CO LTD
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