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Electrode comparison test method and multifunctional test device

A test method and detection device technology, applied in the direction of measuring devices, electrochemical variables of materials, material analysis through electromagnetic means, etc., can solve problems such as unusable, large electrode size, etc.

Active Publication Date: 2018-10-16
SHANGHAI GUOQIANG BIOCHEMICAL ENG EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Due to the small geometric size and compact structure of micro bioreactors, conventional electrodes cannot be used due to their large size, and new electrodes are required for detection

Method used

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  • Electrode comparison test method and multifunctional test device

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Embodiment Construction

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0044]In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one".

[0045] In one embo...

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Abstract

The invention records an electrode comparison testing method and a multifunctional testing device. The method includes the steps of putting detected electrodes and a standard electrode as the parallel comparison reference into the same reactor, setting the comparison testing conditions in the reactor according to preset detection items, observing and recording the detected electrodes and the standard electrode, and judging the performance of the detected electrodes according to the data, wherein the detected electrodes at least comprise a miniature pH electrode, a miniature dissolved oxygen electrode, a non-contact type pH detecting system and a non-contact type dissolved oxygen detecting device. The detection items at least comprise the detection of the performance of the miniature pH electrode at different temperatures and under different pH value conditions, the detection of the performance of the miniature DO electrode at different temperatures and under different dissolved oxygen concentration conditions, the detection of the performance of the miniature DO electrode at different temperatures and under different Ph value conditions, the detection of the performance of the miniature pH electrode at different temperatures and under different dissolved oxygen concentration conditions, and the detection of the performance of all the detected electrodes in all states under the different inner pressure conditions of the reactor.

Description

technical field [0001] The invention relates to a method and equipment for testing the performance of an electrode used in a microorganism culture process, in particular to a method for testing the performance of an electrode through a control test method and a matching testing device. Background technique [0002] In the process of microbial cultivation, the acidity and alkalinity pH of the culture medium and the dissolved oxygen concentration DO in the culture medium are important parameters in the process of microbial cultivation. In the general cultivation process, mature pH and DO electrodes have been widely used and recognized. [0003] Among them, the DO electrode is also called DO dissolved oxygen electrode. Applying the principle of polarography, platinum (Pt) is used as the cathode, Ag / AgCl is used as the anode, and the electrolyte is 0.1M potassium chloride (KCl). Consumed at the cathode through the permeable membrane, the amount of oxygen permeating the membran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30
CPCG01N27/30G01N27/302
Inventor 张明唐寅杭海峰曾良平王伟飞周珍李英英李佳瑞庄英萍张嗣良
Owner SHANGHAI GUOQIANG BIOCHEMICAL ENG EQUIP CO LTD
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