Electrical signal acquisition and transmission device for flat working electrode

A technology of working electrode and transmission device, applied in the field of electrochemical detection, can solve the problem of no flat plate-type working electrode electric signal acquisition and transmission device, etc., and achieve the effects of low noise, unified device and easy operation

Active Publication Date: 2018-09-04
CHINESE ACAD OF INSPECTION & QUARANTINE
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  • Abstract
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  • 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 working electrode
  • Electrical signal acquisition and transmission device for flat working electrode
  • Electrical signal acquisition and transmission device for flat working electrode

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Embodiment 1

[0028] Adopt the electrical signal acquisition and transmission device that the present invention is used for plate-type working electrode, detect the concentration of lead (Pb) ion, detect the standard solution and sample solution of lead (Pb) ion respectively, concrete detection process is as follows:

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

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

[0031] (3) then drip the above-mentioned 6 kinds of standard working solutions of 15...

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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, in particular to an electrical signal collection and transmission device for a flat-plate working electrode. Background technique [0002] The three-electrode system is the main electrochemical conversion component in the electrochemical detection process, mainly composed of a working electrode, a reference electrode and an auxiliary electrode (counter electrode). The more common three-electrode system is various electrolytic cells used in laboratories or research institutes. With the development of electrochemical detection technology, this kind of three-electrode system can no longer meet the current needs of portable detection due to factors such as complex shape, large volume, and high cost. Therefore, the planar working electrode emerges at the historic moment and has been widely used. But currently there is no electrical signal collection and transmission device speciall...

Claims

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Application Information

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Patent Type & Authority Patents(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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