Data processing method for multi-dimensional titration analysis and application of data processing method

Abstract

The invention discloses a data processing method for multi-dimensional titration analysis. According to the method, one or more measurement sequence parameters are set, so that the measurement benchmark of the titration analysis is expanded; one or more titration parameters are set, so that the synchronous measurement of multiple titration methods can be realized; original titration curves are constructed through the titration data; on the basis of the drift correction of the measurement sequence and titration data, the multiple original titration curves are unified at the same original pointof the same coordinate system, so that a corrected titration curve is obtained; the comparison of the multiple original titration curves in the same coordinate system is achieved; and therefore, the synchronous analysis of the measurement data of the different titration methods and the comparative analysis of the different measurement data are achieved. Furthermore, the invention also discloses application of the data processing method for the multi-dimensional titration analysis to the substance structure characterization and measurement of reaction solutions. With the data processing methodapplied, the comparative analysis of measurement data in different test processes can be realized.

Description

technical field [0001] The invention belongs to the field of measurement technology, in particular to the field of analytical chemometrics, and more specifically to a data processing method for multidimensional titration analysis and its application. Background technique [0002] In titration chemical analysis, the change and measurement of the substance structure in the reaction solution is an extremely important basic work in chemical analysis. Using different measurement methods to obtain different measurement data for the same measurement target, and by comparing the data, it can provide analysis of different physical quantities for the change process of the material structure in the chemical reaction, which is widely used and extremely important in chemical analysis. link. [0003] At present, there are three main measurement techniques for titration analysis instruments used in chemical reactions, namely potentiometric titration, temperature titration and spectroscopi...

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Problems solved by technology

[0005] However, even for the simultaneous titration of the same sample, the measurement results of different titration methods cannot be directly compared with the measurement data. There are two essential problems that limit the simultaneous analysis of the measurement data: one is that the measurement sequence drift of different titration methods is different, When performing multi-dimensional simultaneous titration, there are systematic errors caused by reading errors in the measurement sequence reference; second, different titration methods have different sensitivities and detection limits, so the titration data of different titration parameters under the same coordinates will also have different results. However, there is a drift in the baseline range between different titration data baselines. Therefore, the same data correction method cannot be used in the data processing process, so that the real comparison of different experimental data cannot be achieved.

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