Method and apparatus for determining titration end point and realizing automatic titration analysis by means of vision sensor

Abstract

The invention discloses a method and apparatus for determining a titration end point and realizing automatic titration analysis by means of a vision sensor. The method comprises the following steps: preprocessing a sample, facilitating dosing reaction before titration of the sample, charging a titration indicator agent, charging a standard titration solution, performing the titration, suddenly changing the titration indicator agent and reporting and utilizing a titration result. The apparatus comprises a sample automatic preprocessing system, a preprocessed sample container, a peristaltic pump A, a peristaltic pump B, a peristaltic pump C, a stirrer A, a reagent bottle, a titration indicator agent bottle, a standard titration solution bottle, a vision sensor and a PLC electric control system. The titration end point is detected by virtue of the vision sensor rather than the manual observation, the automatic titration analysis is realized, and the labor cost is zero; moreover, the application range is wide, the detection efficiency is high, the original record information of the detection process is richer, the immediate titration analysis can be realized, the demand for storing the sample can be reduced, and the probability of the error caused by the sample storage can be reduced to zero.

Description

technical field [0001] The invention belongs to the technical field of chemical analysis, and in particular relates to a method and a device for automatic titration analysis by determining the titration end point through a visual sensor. Background technique [0002] In the process of production and life, qualitative and quantitative testing of many substances is usually required, including but not limited to environmental testing, online testing, and substance content testing. Commonly used detection methods include chemical analysis, instrumental analysis, and biological analysis. Detection and analysis play an important role in people's production, life and social management. And chemical analysis is the most basic and most commonly used method of these commonly used detection methods. The analysis based on the chemical reaction of substances is called chemical analysis. Chemical analysis is absolutely quantitative. According to the amount of sample, the amount of reac...

AI Technical Summary

Problems solved by technology

[0007] The advantage of microcoulomb titration analysis is that it realizes the automatic detection of sulfur and chlorine, but the limitation is that the scope of application is only used for the titration detection of sulfur and chlorine, and only a single index can be detected one by one

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