Multi-unit inspection full-automatic solidification point analytical method

An analysis method, fully automatic technology, applied in the direction of analyzing materials, material analysis through optical means, material inspection products, etc., can solve the problems of complex analysis steps, long analysis cycle, cumbersome, etc., to shorten the analysis time and improve the analysis accuracy , the effect of saving human resources

Inactive Publication Date: 2010-06-16
郭建民
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This test method is a typical conditional test method. The analysis process is basically a manual operation, and the result is judged by human vision. The determination of the freezing point of a sample needs at least 5 times from heating to 50±1°C and th

Method used

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  • Multi-unit inspection full-automatic solidification point analytical method
  • Multi-unit inspection full-automatic solidification point analytical method
  • Multi-unit inspection full-automatic solidification point analytical method

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A multi-unit patrol inspection automatic condensation point analysis method, the operation steps are as follows:

[0025] a. Divide the sample into relatively independent multiple identical detection units, and in the same external environment, blow the controlled dry air to the surface of a detection unit that is cooling the sample every 1°C, and use an optical detector to check the unit The movement of the sample surface; when the liquid sample is clear, the incident beam is reflected on the bottom mirror, and the reflected beam is absorbed by the black surface of the measurement chamber, and the optical detector can only detect a weak light intensity; with the temperature of the sample , crystallization will appear in the sample, and the scattered light generated by the crystallization will be significantly enhanced and will be detected by the optical detector. The analyzer will determine that the sample has crystallization and reduce the cooling speed; when the sample t

Embodiment 2

[0042] A multi-unit patrol inspection automatic condensation point analysis method, the operation steps are as follows:

[0043] a. Divide the sample into relatively independent multiple identical detection units, and in the same external environment, blow the controlled dry air to the surface of a detection unit that is cooling the sample every 1°C, and use an optical detector to check the unit The movement of the sample surface; when the liquid sample is clear, the incident beam is reflected on the bottom mirror, and the reflected beam is absorbed by the black surface of the measurement chamber, and the optical detector can only detect a weak light intensity; with the temperature of the sample , crystallization will appear in the sample, and the scattered light generated by the crystallization will be significantly enhanced and will be detected by the optical detector. The analyzer will determine that the sample has crystallization and reduce the cooling speed; when the sample t

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PUM

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Abstract

The invention relates to a multi-unit inspection full-automatic condensation point analytical method which comprises the following steps: a sample is divided into a plurality of identical detection units which are relatively independent from one another; every other one DEG C, controlled dry air is blown to the surface of the sample one detection unit is cooling; an optical detector is used to exam the movement of the surface of the sample on the detection unit; a detection system detects the next detection unit, when temperature of the sample drops by another one DEG C, the controlled dry air is once again blown to the surface of the sample; the optical detection system detects scattering light intensity of the surface of the sample prior to gas pulse and in the process of gas pulse; the work process is repeated until no obvious changes of the scattering light intensity of the surface of the sample prior to gas pulse and in the process of gas pulse, which is detected by the optical detection system take place; then an analyzer determines that the sample is completely solidified, at the moment, temperature of the sample is the solidification point. With the method of the invention adopted, the previous manual chemical laboratory analysis process is completely replaced, as a result, analysis time is shortened from 1.5-2 hours to 20-30mins; in addition, analysis accuracy is improved, repeatability is improved from previous 2 DEG C to the existing 1 DEG C, reproducibility is improved from 4 DEG C to 2 DEG C, so that work efficiency is improved and human resource is saved.

Description

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Claims

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Application Information

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Owner 郭建民
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