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An extraterrestrial celestial body atmospheric composition and isotope measuring instrument and measuring method

A measuring instrument and isotope technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of difficult adjustment, easy disturbance, high quality, etc., to achieve accurate measurement results, safe and reliable data, and strong adaptability.

Active Publication Date: 2018-09-14
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of mass spectrometer has the disadvantages of large mass, difficult adjustment, and easy to be disturbed, so it is not suitable for carrying on extraterrestrial celestial body detectors
[0004] At present, there are a variety of testing methods for different gas compositions and isotopes, but there is a lack of an instrument and method that can be applied to other celestial bodies other than the earth and can simultaneously measure the contents and isotopes of various gases

Method used

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  • An extraterrestrial celestial body atmospheric composition and isotope measuring instrument and measuring method

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Experimental program
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Effect test

Embodiment 1

[0044] Such as figure 1 As shown, an extraterrestrial celestial body atmospheric composition and isotope measuring instrument, the measuring instrument includes a gas collection chamber 1, a gas processing chamber 2, a quadrupole mass spectrometer 3, and a high vacuum pump 4;

[0045] The gas collection chamber 1 is used to collect and store the atmosphere of extraterrestrial objects to be measured;

[0046] The gas processing chamber 2 is equipped with a heating device on the periphery. The gas inlet of the gas processing chamber 2 is connected to the gas collection chamber 2. The gas processing chamber 2 processes the atmosphere of the extraterrestrial object to be measured, and prepares for the measurement of gas elements and isotopes;

[0047] The quadrupole mass spectrometer 3 is connected to the gas outlet of the gas processing chamber 2, and the atmosphere of the extraterrestrial body to be measured after the gas processing chamber 2 is processed is tested, and the comp...

Embodiment 2

[0054] A method for measuring the atmospheric composition and isotopes of an extraterrestrial celestial body. The measuring method is measured using the measuring instrument described in Example 1. The method can accurately measure the content of active gases in the gas to be measured, (note: generally speaking , the active gas content is much higher than that of the rare gas, and then according to the properties of the quadrupole mass spectrometer, the active gas is preferentially ionized, so in the process of testing the active gas, it is not necessary to remove the rare gas) The method includes the following steps:

[0055] 1) Vacuum maintenance: Open the third valve and the ninth valve, turn on the high vacuum pump, make the gas processing chamber and the quadrupole mass spectrometer be in a vacuum state, then close the third valve and the ninth valve, and the gas in the atmosphere of the extraterrestrial object to be measured Preparation for element and isotope measurement...

Embodiment 3

[0067] A method for measuring the atmospheric composition and isotopes of an extraterrestrial celestial body, the measuring method is measured using the measuring instrument described in Example 1, the method can accurately measure the content of the inert gas in the gas to be measured, and the method for measuring the content of the inert gas Include the following steps:

[0068] 1) Vacuum maintenance: Open the third valve and the ninth valve, turn on the high vacuum pump, make the gas processing chamber and the quadrupole mass spectrometer be in a vacuum state, then close the third valve and the ninth valve, and the gas in the atmosphere of the extraterrestrial object to be measured Preparation for element and isotope measurement;

[0069] 2) Collect the atmosphere of the extraterrestrial body to be measured: open the first valve, the atmosphere of the extraterrestrial body to be measured enters the gas collection room, then close the first valve, open the second valve, the ...

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Abstract

The invention mainly belongs to the technical field of atmosphere composition measurement and in particular relates to a measuring instrument and a measuring method for extraterrestrial celestial body atmosphere compositions and isotopes. The measuring instrument disclosed by the invention comprises a gas collection chamber, a gas treatment chamber, a quadrupole mass spectrometer and a high vacuum pump, wherein the gas collection chamber is used for collecting and storing to-be-measured extraterrestrial celestial body atmosphere; a heating device is arranged at the periphery of the gas treatment chamber, and a temperature and pressure sensing device is arranged inside the gas treatment chamber; the gas treatment chamber is used for treating the to-be-measured extraterrestrial celestial body atmosphere and making a preparation for gas elements and isotopes; the quadrupole mass spectrometer is used for testing the to-be-measured extraterrestrial celestial body atmosphere treated by the gas treatment chamber and measuring the composition and isotope content of the to-be-measured extraterrestrial celestial body atmosphere; and the high vacuum pump is connected with the gas treatment chamber and the quadrupole mass spectrometer and is used for maintaining a high vacuum environment. The measuring instrument has low weight in a range capable of being borne by the conventional space load, and high-precision accurate and reliable experimental data can be tested by the measuring instrument.

Description

technical field [0001] The invention mainly belongs to the technical field of atmospheric composition measurement, and in particular relates to an extraterrestrial celestial body atmospheric composition and isotope measuring instrument and measurement method. Background technique [0002] Although the existing gas content and isotope measurements are very mature, the analysis of gas content and isotope measurements is often done on different platforms because the two measurements are based on different methods. [0003] The gas content is generally measured by chemical methods, which require the use of different chemical reagents, specific chemical reaction conditions, complex chemical reaction processes, skilled operating procedures, etc. for different molecules. However, these conditions are currently difficult to achieve on extraterrestrial bodies. The measurement method of gas isotopes is mainly based on magnet mass spectrometry. This kind of mass spectrometer has the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/62
CPCG01N27/62
Inventor 刘子恒贺怀宇苏菲
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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