Integrated ion sensor

A sensor and integrated technology, applied in the field of ion sensors, can solve the problems of inconvenient operation, extra use, inaccurate values, etc., and achieve the effect of easy operation

Inactive Publication Date: 2010-03-24
MIDDLELAND SENSING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, these integrated ion sensors are a reference electrode. Although the advantages of reducing the volume of the reference electrode and being directly connected to the sensing box body 50, an additional working electrode mus

Method used

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Examples

Experimental program
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Example Embodiment

[0056] Please see figure 1 As shown, it is an embodiment of the integrated ion sensor of the present invention, in which a working electrode group 20 and a reference electrode group 30 are respectively provided on two surfaces of a substrate 10;

[0057] The working electrode set 20 includes an ion selective electrode 21, a wire 22, and a barrier layer 23. The ion selective electrode 21 is disposed on a surface of the substrate 10, and the proximal end 221 of the wire 22 is connected to the ion The selective electrode 21 is connected via a connecting wire 24. In this embodiment, the wire 22 is electrically connected to the ion selective electrode 21 by a connecting wire 24, and the distal end 222 of the wire 22 can extend into a detector (Not shown in the figure) to be used in combination, and the ion selective electrode 21 is partly in contact with the outside (it can be in contact with the test liquid during use), and the reaction signal with the test liquid is from the ion sel...

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Abstract

The invention provides an integrated ion sensor which is characterized in that a working electrode assembly and a reference electrode assembly are arranged on the surface of a substrate, wherein, theworking electrode assembly comprises an ion-selective electrode (ISE) arranged on the surface of the substrate, a lead electrically connected with the ISE, and a blocking layer covering part of the ISE and lead; and the reference electrode assembly comprises a reference electrode arranged on the surface of the substrate, a lead electrically connected with the reference electrode, a blocking layercovering part of the lead, and an enclosing body arranged on the surface of the substrate, wherein, the enclosing body is provided with an exchanging interface for liquids to flow into the enclosing body and filled with electrolytes. By arranging the reference electrode and the working electrode on the same substrate at the same time, the integrated ion sensor becomes more user-friendly.

Description

technical field [0001] The invention relates to an ion sensor, in particular to an integrated ion sensor in which a working electrode and a reference electrode are arranged on a substrate to reduce space and facilitate operator use. Background technique [0002] Potentiometric analysis is a method of measuring the potential generated by the dissociated ions in the test solution to determine the ion concentration of the test solution to distinguish properties such as pH. The measurement of the potential needs two electrodes, one is the electrode that provides the reference for the measurement potential, which is generally called the reference electrode (or reference electrode). The stable potential measured by the instrument, commonly used reference electrodes are calomel electrodes and silver-silver chloride electrodes, but because the silver-silver chloride electrodes can be used in systems higher than 60 ° C, the use range is wider than that of calomel electrodes , and be...

Claims

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Application Information

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IPC IPC(8): G01N27/49G01N27/414
Inventor 萧夐马国栋
Owner MIDDLELAND SENSING TECH
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