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Signal acquisition method for multidimensional titration analysis

A technology of signal acquisition and titration analysis, applied in the fields of analytical chemistry and measurement, can solve the problems of different acquisition signal periods and frequencies, and achieve the effect of improving the detection limit, improving the analysis accuracy, and avoiding collection

Active Publication Date: 2019-12-31
王飞 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the measurement methods, principles, and components of different measurement parameters are different, and the cycle and frequency of the collected signals are also different. Therefore, how to realize the simultaneous detection of the measurement sequence and titration parameters for the same matrix has become a problem that researchers must consider.

Method used

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  • Signal acquisition method for multidimensional titration analysis
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  • Signal acquisition method for multidimensional titration analysis

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Effect test

Embodiment 1

[0047] A signal acquisition method for multi-dimensional titration analysis, such as figure 1 As shown, the multi-dimensional titration analysis signal acquisition system is controlled to obtain a plurality of measurement periods R based on the measurement sequence at time t, and each measurement period R includes a signal acquisition period A and an interval Z.

[0048] Among them, the signal acquisition period A includes the effective acquisition period M of the pH value of the reaction solution t-pH And idle period N t-pH , Effective collection period M t-pH From the acquisition starting point O to the effective signal acquisition completion point P pH The length of time t, the idle period N t-pH Complete point P for effective signal acquisition pH The length of the time t to the end point Q of the collection;

[0049] The effective collection period M including the reagent volume V t-V And idle period N t-V , Effective collection period M t-V From the acquisition startin...

Embodiment 2

[0056] A signal acquisition method for multi-dimensional titration analysis, such as figure 2 As shown, the multi-dimensional titration analysis signal acquisition system is controlled to obtain a plurality of measurement periods R based on the pulse signal f as the measurement sequence, and each measurement period R includes a signal acquisition period A and an interval Z.

[0057] Among them, the signal acquisition period A includes the effective acquisition period M of the pH value of the reaction solution f-pH And idle period N f-pH , Effective collection period M f-pH From the acquisition starting point O to the effective signal acquisition completion point P pH The length of the pulse signal f, the idle period N f-pH Complete point P for effective signal acquisition pH The length of the pulse signal f to the acquisition end point Q;

[0058] The effective collection period M including the reagent volume V f-V And idle period N f-V , Effective collection period M f-V F...

Embodiment 3

[0065] A signal acquisition method for multi-dimensional titration analysis, such as image 3 As shown, the multi-dimensional titration analysis signal acquisition system is controlled to obtain a plurality of measurement periods R based on the pH value of the reaction liquid in the measurement sequence, and each measurement period R includes a signal acquisition period A and an interval period Z.

[0066] Among them, the signal acquisition period A includes the effective acquisition period M of the pH value of the reaction solution pH-pH And idle period N pH-pH , Effective collection period M pH-pH From the acquisition starting point O to the effective signal acquisition completion point P pH PH length of the reaction solution, idle period N pH-pH Complete point P for effective signal acquisition pH The length of the pH value of the reaction solution to the collection end point Q;

[0067] The effective collection period M including the reagent volume V pH-V And idle period N...

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Abstract

The invention discloses a signal acquisition method for multidimensional titration analysis. According to the method, signal acquisition cycles consisting of effective acquisition periods and idle periods and measurement cycles consisting of signal acquisition periods and interval periods are set, so that signal acquisition cycles and measurement cycles of different measurement parameters are unified; the synchronous measurement of the different measurement parameters of the same measurement matrix is realized, so that the multi-dimensional titration analysis of the same measurement matrix becomes possible; the length of the interval periods is set, so that the signal acquisition frequency of the multi-dimensional titration analysis is flexibly adjusted, and the high-frequency acquisitionof a titration signal mutation area and the low-frequency monitoring of a titration signal gentle area are realized; rich information is provided for research on the change and metering of a substancestructure in a reaction solution on the basis of accurate correspondence between measurement sequences and measurement parameter signal acquisition points; synchronous multi-dimensional titration analysis is carried out on the same measurement matrix through the different measurement parameters; an experiment frequency is reduced; and working efficiency is improved.

Description

Technical field [0001] The present invention belongs to the technical field of measurement, in particular to the technical field of analytical chemistry, and more specifically to a signal acquisition method for multidimensional titration analysis. 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 through the comparison between the data, it can provide analysis of different physical quantities for the change process of the material structure in chemical reactions. It is widely used in chemical analysis and is extremely important. Link. [0003] At present, there are three main measurement techniques for titration analysis instruments used in chemical reactions, namely potentiometric titration, temperature titration and spectra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/16
CPCG01N31/16
Inventor 王宇曦高飞钟亚莉王飞田丰张昂李婧奕郭禹
Owner 王飞
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