Aerosol real-time measuring ion migration mass spectrograph

A technology of ion mobility mass spectrometry and ion mobility, applied in the field of aerosol time-measurement ion mobility mass spectrometer, to achieve the effect of reasonable design, convenient use and high sensitivity

Inactive Publication Date: 2004-01-14
ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Instrumentation for rapid and continuous monitoring of aerosols is not yet available

Method used

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  • Aerosol real-time measuring ion migration mass spectrograph
  • Aerosol real-time measuring ion migration mass spectrograph

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] see figure 1 , the present invention includes an aerosol particle sampler 1, a vaporization chamber 2 and an ion mobility mass spectrometer 3, the right side of the three-stage impact aerosol particle sampler 1 is a vaporization chamber 2, and the vaporization chamber 2 is composed of a spherical adapter 4 and an ion mobility mass spectrometer 3 connected. The horizontal position of the upper end of the sampler 3 is an air inlet 5 connected to the atmosphere, and the lower air suction port 6 is connected to a continuously adjustable micro-sampling pump with a pumping speed of 1-18L / min. Large particles (such as sand and stones) in the air pass through the air inlet. After the filter net in 5 is filtered out, it enters the sampler and is equipped with a three-stage nozzle 7. The sampling paper tape 8 is mounted on the roller shaft 9, fixed under each nozzle by a fixed bracket 10, and another nozzle controlled by a stepping motor The roller shaft 11 is transferred to the...

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Abstract

The invention relates to an ion transferring mass analyzer for measuring gasoloid in spot, including a gasoloid particle sampling instrument, evapouration chamber and ion transferring mass analyzer, characterized by that the evapouration chamber is located on the right of the third-level striking type gasoloid particle sampling instrument, and the evapouration chamber is connected to the ion transferring mass analyzer with sphere switch. The invention can be used to monitor the gasoloid continuously.

Description

technical field [0001] The invention relates to a mass spectrometer for measuring ion mobility, specifically a mass spectrometer for measuring ion mobility in aerosol. Background technique [0002] Aerosols are particulate matter suspended in the air, which can be solid or liquid. The particle size range is 10 -3 ~10 2 um. Human beings have aerosols when they have living and production activities. Even if there is no production activities, there will be "natural" aerosols produced by volcanic eruptions, extraterrestrial particle clouds and various biological natural phenomena. The presence of aerosols is beneficial and harmful. The aerosols produced by human unrestrained production activities have seriously polluted human living space. According to research, human health is directly related to aerosols. Various respiratory diseases, cardiovascular diseases, asthma, pulmonary failure, lung cancer, etc., have caused premature death in adults. Polluted air has a greater i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/72H01J49/26
Inventor 李海洋阚瑞峰
Owner ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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