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Method for cleaning, conditioning, calibrating and/or adjusting amperometric sensor

一种电流传感器、清洁的技术，应用在电流并从测得的电流中推导出该内容物质。领域

Active Publication Date: 2019-12-17
PROMINENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, regulators can only be changed in complex ways, namely by replacing stored chemicals

Method used

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  • Method for cleaning, conditioning, calibrating and/or adjusting amperometric sensor
  • Method for cleaning, conditioning, calibrating and/or adjusting amperometric sensor
  • Method for cleaning, conditioning, calibrating and/or adjusting amperometric sensor

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Embodiment Construction

[0080] figure 1 A schematic representation of a measurement chamber 6 of an amperometric sensor according to the invention is shown with a selectively permeable membrane 1 , a working electrode 2 , a generator electrode 3 and associated reference or return electrodes 4 and 5 . The working electrode 2 and the generator electrode 3 are cylindrical with different diameters, wherein the working electrode with the smaller diameter is formed inside the hollow cylindrical generator electrode. The base surfaces of the working electrode and the generator electrode facing the selectively permeable membrane are flush with each other, wherein the projection of the active surface of the membrane is only on and smaller than the base surface of the working electrode.

[0081] figure 2 A cross-section of a representation of a particular embodiment of an amperometric sensor according to the invention with a selectively permeable membrane 1 , a working electrode 2 and a generator electrode 3,...

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PUM

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Abstract

In order to provide a method for cleaning, conditioning, calibration, adjustment and conditioning of an amperometric sensor of a measuring device for determining a content substance in an electrolyte,with a measuring chamber, sealed by a selectively permeable membrane, containing the electrolyte, in which the working electrode and a reference electrode connected electrically with the working electrode are arranged, wherein the membrane is permeable to the content substance which is to be determined, wherein the determination of the content substance takes place during a measuring interval inthat a voltage is applied between the working electrode and reference electrode, the current which flows via the electrical connection between working electrode and reference electrode is measured andthe content substance deduced from the measured current, said method achieving a comparable or even a better cleaning and conditioning effect than the methods known from the prior art, but for whicha simpler equipment set-up is sufficient, a method is described which is characterised in that a conditioning agent is generated in the measuring device, wherein either an oxidising agent which is reduced at the working electrode or a reducing agent which is oxidised at the working electrode is used as conditioning agent.

Description

technical field [0001] The invention relates to a method for cleaning, adjusting, calibrating and / or adjusting an amperometric sensor of an electrolyte-containing measuring device for determining content substances in a sample, the amperometric sensor having a measuring chamber sealed by a selectively permeable membrane , wherein a working electrode and a working reference electrode electrically connected to the working electrode are disposed, wherein the membrane is permeable to a content substance to be determined. The determination of the substance of content during the measurement interval takes place by applying a voltage between the working electrode and the working reference electrode, measuring the current flowing through the electrical connection between the working electrode and the working reference electrode and deriving from the measured current The content substance is deduced. The invention also relates to the use of current sensors, measuring devices, and regu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/38G01N27/30G01N27/403
CPCG01N27/38G01N27/403G01N27/30G01N27/4163G01N27/44G01N27/4045G01N27/301G01N33/182
Inventor K·科伯特H·舍普夫T·温克勒
Owner PROMINENT
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