Crystalline phase content quantitative analysis system and method

A quantitative analysis, crystal phase technology, applied in the direction of analyzing materials, using radiation for material analysis, and using wave/particle radiation for material analysis, etc. and other problems to achieve the effect of reducing manual intervention

Active Publication Date: 2021-04-16
苏州青云瑞晶生物科技有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

During the implementation of this technology, experienced technicians need to spend a lot of energy and time on data processing. In the process of data processing, human factors have a great influence on the results.
At the same time, since there is no other feasible method, its accuracy cannot be cross-validated
Moreover, for many samples with unknown crystal phases, the powder X-ray diffraction technique cannot determine the content of each phase

Method used

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  • Crystalline phase content quantitative analysis system and method
  • Crystalline phase content quantitative analysis system and method
  • Crystalline phase content quantitative analysis system and method

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Embodiment

[0038] The crystal phase content quantitative analysis system of this embodiment mainly includes two parts: a global strategy module and a data collection and processing module;

[0039] The global strategy module completes the global scan for the sample; it is responsible for locating and estimating the size of the particles in the selected area of ​​the sample, and statistically classifying the particle size. Particles, path planning for data collection of the filtered particles, and global strategy planning such as parameter settings for data to be collected on each particle;

[0040] The data collection and processing module is responsible for collecting the three-dimensional electron diffraction data of the target particles, and processing the obtained data in real time, so as to obtain the unit cell parameters and symmetry information of the particles, which are used to judge the crystal phase information of the particles. This module adopts an adaptive Dynamic analysis ...

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Abstract

The invention discloses a crystalline phase content quantitative analysis system and method. The system mainly comprises a global strategy module and a data collecting and processing module. The global strategy module completes global scanning for the sample, is responsible for positioning and size estimation of particles in a selected area in the sample, performs statistics on particle sizes, screens the particles in the selected area according to the particle sizes according to statistical data and detection time or the number of detection particles inputted by a user, and plans a path for data collection according to the screened particles and the like. The data collecting and processing module is responsible for collecting and processing three-dimensional electron diffraction data of target particles in real time to obtain particle unit cell parameters and symmetry information. The invention also comprises a crystalline phase content quantitative analysis method. By means of the system and the method, the sample with the unknown crystalline phase can be detected, manual intervention can be greatly reduced, the low-content crystalline phase in the sample can be detected, and accurate crystalline phase information is provided for a user.

Description

technical field [0001] The invention relates to a quantitative analysis system and method for crystal phase content. Background technique [0002] The detection of crystalline phase content in samples is crucial for many application scenarios, such as mineral mining and detection, chemical industry, pharmaceutical industry, etc. The detection of crystal phase content is different from the detection of elements. Element detection can be obtained by energy spectrum, chromatography and many other methods. But the definition of crystal phase includes the kind of atoms and the arrangement of atoms. That is to say, substances in different crystal phases can be composed of different elements, or can be composed of one or the same combination of elements, but the arrangement of atoms is different. [0003] Powder X-ray diffraction is currently the main method for the detection of crystal phase content. Through the X-ray diffractometer, the diffraction data of the sample is colle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04G01N23/20058
Inventor 刘磊峰云一峰古宇
Owner 苏州青云瑞晶生物科技有限公司
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