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Electrical signal acquisition and transmission device for flat plate type working electrode

A technology of working electrode and transmission device, which is applied in the field of electrochemical detection, can solve the problems of no flat-plate working electrode electrical signal acquisition and transmission device, and achieve the effects of low noise, easy operation and less solution

Active Publication Date: 2016-09-21
CHINESE ACAD OF INSPECTION & QUARANTINE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no electrical signal acquisition and transmission device specially used for flat-plate working electrodes at present, and the present invention aims to solve this problem

Method used

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  • Electrical signal acquisition and transmission device for flat plate type working electrode
  • Electrical signal acquisition and transmission device for flat plate type working electrode
  • Electrical signal acquisition and transmission device for flat plate type working electrode

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Embodiment 1

[0028] The electrical signal acquisition and transmission device used for the flat working electrode of the present invention is used to detect the concentration of lead (Pb) ions, and respectively detect the standard solution and sample solution of lead (Pb) ions. The specific detection process is as follows:

[0029] (1) Precisely configure standard working solutions with lead (Pb) concentrations of 40μg / L, 100μg / L, 150μg / L, 300μg / L, 400μg / L, 500μg / L.

[0030] (2) Use Ag / AgCl wire electrode as the reference electrode, Pt wire electrode as the counter electrode, and copper column electrode as the working electrode, respectively insert the corresponding three electrode connectors; at the same time place the plate electrode in the square groove , Constitute a three-electrode system, and connect the device to the electrochemical workstation through a USB transmission line.

[0031] (3) Then drop 15uL of the above 6 standard working solutions on the filter paper area on the surface of t...

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Abstract

The invention belongs to the technical field of electrochemical detection, and aims to provide an electrical signal acquisition and transmission device for a flat plate type working electrode. The electrical signal acquisition and transmission device is simple in structure, easy to operate and high in sensitivity, improves the detection effect, and comprises a base, an interface layer, a transmission layer and a top layer; a data transmission interface slot is formed in the left side of the interface layer; three electrode joint positioning holes are formed in the right side of the interface layer; the transmission layer comprises a printed circuit board; three electrode joint welding holes are respectively formed in the printed circuit board; a data transmission interface element is fixed on the printed circuit board; the top ends of three electrode joints are respectively welded at three welding holes; the lower ends of the three electrode joints respectively penetrate three electrode joint positioning holes in the interface layer; the top ends of the three electrode joints are respectively connected with the data transmission interface element through signal transmission lines; the top layer, the transmission layer, the interface layer and the base are sequentially mounted together from top to bottom; the upper end and the lower end of a spring are respectively mounted in an upper spring fixing slot and a lower spring fixing slot.

Description

Technical field [0001] The invention belongs to the technical field of electrochemical detection, and particularly relates to an electric signal acquisition and transmission device for a flat working electrode. Background technique [0002] The three-electrode system is the main electrochemical conversion component in the electrochemical detection process, which is mainly composed of a working electrode, a reference electrode and an auxiliary electrode (counter electrode). The more common three-electrode systems are various electrolytic cells used in laboratories or research institutes. With the development of electrochemical detection technology, this type of three-electrode system has been unable to meet the current needs of portable detection due to its complex shape, large volume, and high cost. Therefore, the flat working electrode came into being and has been widely used. However, there is currently no electrical signal acquisition and transmission device specifically use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416G01N27/48
CPCG01N27/416G01N27/48
Inventor 付艳玲张庆王宏伟王婉李海玉白桦
Owner CHINESE ACAD OF INSPECTION & QUARANTINE
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