Automatic titration device for analysis instrument

A technology of automatic titration and titration tank, which is applied in the direction of chemical analysis by titration method, can solve the problems of damage to devices in the titration tank, easy residual waste liquid, complicated process, etc., and achieve low production and assembly costs, simple liquid inlet and discharge process, The effect of low system cost
CN102455332AInactive Publication Date: 2012-05-16GUILIN OUBO INSTR TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
GUILIN OUBO INSTR TECH
Publication Date
2012-05-16
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a small automatic titration device applied to an analysis instrument. The automatic titration device comprises a titration pool of which the bottom is provided with a unique liquid inlet and outlet opening, an electromagnetic stirring mechanism with a central through hole, an inlet and outlet liquid metering system, a fastening mechanism, a titration endpoint monitoring device and a control and calculation unit. The device can be applied to photometric titration and potentiometric titration, is easy to install and has relatively low cost. The invention also provides a method for titrating by using the automatic titration device and calculating the volume of consumed titrated liquid.
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Description

Technical field

[0001] The invention relates to a titration device of an analytical instrument, in particular to an automatic titration device. Background technique

[0002] Titration is a method of adding a standard solution to the analyzed solution gradually, and determining the reaction end point and analyzing the composition of the solution based on the color, precipitation or conductivity changes caused by the test component, titrant, and reaction product during the titration process. . According to different principles for determining the end point of titration, titration can be divided into photometric titration, potentiometric titration, coulometric titration, etc.; according to different reaction principles, it can be divided into acid-base, redox, precipitation or complexometric titration.

[0003] A fully automatic titration device usually includes a titration cell, a liquid inlet and discharge metering system, a mixing and homogenizing device, a titration endpoint dete...

Claims

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