Gaseous and particulate organic matter ionization system and ionization method

Abstract

The invention relates to the technical field of experimental instruments, and in particular to a gaseous and particulate organic matter ionization system and an ionization method. A gas path is controlled to allow a mixed sample gas containing gaseous substances and aerosol particles to enter an empty pipe component, and the mixed sample gas is heated and gasified, and then enters an ionization chamber for ionization, and the total sample gas Ct is measured; the gas path is controlled again to allow the mixed sample gas to enter an organic gas remover, leaving only aerosol particles, and the aerosol particles are introduced into a heating component, heated and gasified, and the gasified aerosol particles are transported to an ionization component for ionization, and the aerosol particles Cp are measured. By calculating the difference between Ct and Cp, the gaseous organic matter Cg can be measured, and the gaseous organic matter and the aerosol particles can be effectively separated, thereby alleviating the technical problems of interference of solvents and inorganic salts on the sample gas, difficulty in obtaining complete organic matter molecular structure information, and difficulty in measuring gaseous and particulate organic matter in the prior art.

Description

Technical Field

[0001] The invention relates to the technical field of experimental instruments, and in particular to a gaseous and particulate organic matter ionization system and an ionization method. Background Art

[0002] Volatile organic compounds (VOCs) emitted by humans or nature and their oxidation and degradation in the atmosphere to generate gaseous and particulate organic matter not only affect environmental quality as important pollutants, but can also affect the global climate by changing the condensation nuclei of clouds and fog. Accurate online measurement of gaseous and particulate organic matter is the basis for understanding and controlling particulate pollution. Mass spectrometry is currently an important technology for measuring gaseous and particulate organic matter, and achieving online ionization of gas and particulate matter is the key difficulty in mass spectrometry measurement.

[0003] At present, there are two ways to ionize aerosols: offline and online. The offline method requires the aerosol sample to be enriched and then dissolved. Impurities in the solvent will interfere with the aerosol sample. At the same time, inorganic salts in atmospheric particulate matter will inhibit the ionization efficiency of organic matter. Online ionization technology can overcome the interference of solvents and inorganic salts on samples. The online ionization sources used for aerosol samples are mainly: (1) high-energy electron bombardment source (EI). EI is a hard ionization source. Due to its extremely high energy, it can break molecules, but it is difficult to obtain the ion peak of the molecule. For a typical mixed component such as aerosol, the EI source can only obtain statistical information of a large number of ion fragments; (2) proton transfer chemical ionization source (PTR). This ionization source belongs to soft ionization and can obtain the molecular ions of the substance. However, due to chemical selectivity, this ionization source cannot obtain negative ion information, so the analysis range is limited. Therefore, online measurement of gaseous and particulate organic matter and obtaining complete molecular ion information are currently urgent problems to be solved. Summary of the invention

[0004] The present invention provides a gaseous and particulate organic matter ionization system and ionization method to alleviate the technical problems in the prior art of interference of solvents and inorganic salts on sample gas, difficulty in obtaining complete organic matter molecular structure information and difficulty in accurately measuring gaseous and particulate organic matter online.

[0005] In order to alleviate the above technical problems, the technical solution provided by the present invention is:

[0006] In a first aspect, the present invention provides a gaseous and particulate organic matter ionization system, comprising: an organic gas remover, an empty pipe component, a heating component and an ionization component;

[0007] The organic gas remover is connected in parallel with the empty pipe component and both are connected to a gas source containing gaseous organic matter and aerosol particles; the organic gas remover has an adsorption layer, and the adsorption layer is configured to adsorb gaseous organic matter in the mixed sample gas; the gaseous organic matter and aerosol particles can be selectively connected to the organic gas remover or the empty pipe component;

[0008] The heating component is disposed downstream of the organic gas remover and the empty pipe component, and the heating component is configured to heat gaseous organic matter and / or aerosol particles to gasify the aerosol particles;

[0009] The ionizing element is disposed downstream of the heating element and is used to ionize the gaseous medium into a charged ion state.

[0010] In an alternative embodiment,

[0011] The organic gas remover comprises a tube barrel body;

[0012] The inner wall of the tube barrel body has a cavity, and the adsorption layer is filled in the cavity.

[0013] In an alternative embodiment,

[0014] The organic gas remover also includes an inner barrel;

[0015] The inner barrel is arranged in the tube barrel main body, and the cavity is formed between the outer wall of the inner barrel and the inner wall of the tube barrel main body.

[0016] In an alternative embodiment,

[0017] The gaseous and particulate organic matter ionization system further includes a first three-way valve;

[0018] The inlet of the first three-way valve is communicated with a gas source, and the two outlets of the first three-way valve are communicated with the organic gas remover and the inlet end of the empty pipe component respectively.

[0019] In an alternative embodiment,

[0020] The gaseous and particulate organic matter ionization system further includes a second three-way valve;

[0021] An outlet of the second three-way valve is communicated with the heating member, and two inlets of the second three-way valve are communicated with the organic gas remover and an outlet of the empty pipe member, respectively.

[0022] In an alternative embodiment,

[0023] The heating member comprises a double-layer sleeve;

[0024] The double-layer casing comprises an inner tube and an outer tube, wherein the inner tube is arranged at the center of the outer tube, and a first cavity is formed between the outer wall of the inner tube and the inner wall of the outer tube, and the auxiliary gas is transported to the ionization component through the first cavity;

[0025] A second chamber is formed in the inner tube, one end of the second chamber is communicated with the outlet of the second three-way valve, and the other end of the second chamber is communicated with the ionization component.

[0026] In an alternative embodiment,

[0027] The heating component also includes a heat-conducting body, a heating element and a thermocouple temperature sensor;

[0028] A cavity for accommodating the double-layer sleeve is arranged in the heat-conducting body, and the heating element and the thermocouple temperature sensor are arranged in the heat-conducting body.

[0029] In an alternative embodiment,

[0030] The ionization component has an ionization chamber, and a side wall of the ionization chamber is connected to a soft X-ray light source.

[0031] In an alternative embodiment,

[0032] The gaseous and particulate organic matter ionization system also includes a mass spectrometer base;

[0033] The mass spectrometer base is provided with a third chamber and an exhaust channel;

[0034] The third chamber is in communication with the ionization chamber, and a side wall of the third chamber is used to connect with a mass spectrometer detector;

[0035] The exhaust channel is connected to an air pump.

[0036] The ionization method provided by the present invention comprises the following steps:

[0037] The mixed sample gas containing gaseous organic matter and aerosol particles passes through the hollow tube component to the heating component, the mixed sample gas is heated by the heating component, the aerosol particles therein are gasified, the gasified aerosol particles and gaseous organic matter enter the ionization component, the ionization component ionizes the gas medium to an ion state, and the Ct of the mixed sample gas is measured;

[0038] The mixed sample gas containing gaseous organic matter and aerosol particles passes through the organic gas remover to remove the gaseous organic matter, and the remaining gas medium containing aerosol particles enters the heating component, and the heating component heats and vaporizes the aerosol particles. The vaporized aerosol particles enter the ionization component, and are ionized to an ion state by the ionization component, and the Cp of the aerosol particles is measured;

[0039] Calculate Cg of gaseous organic matter, Cg = Ct-Cp.

[0040] The beneficial effects of the gaseous and particulate organic matter ionization system of the present invention are analyzed as follows:

[0041] The mixed sample gas containing gaseous organic matter and aerosol particles is introduced into the organic gas remover or the empty pipe component, and the mixed sample gas containing gaseous organic matter and aerosol particles is allowed to enter the empty pipe component by controlling the gas path. The empty pipe component does not perform any processing on the mixed sample gas, and the mixed sample gas containing gaseous organic matter and aerosol particles is heated and gasified, and the mixed sample gas enters the ionization chamber, and is ionized into positively charged cations and negatively charged anions, and the total sample gas Ct is measured; the gas path is controlled again to allow the mixed sample gas containing gaseous organic matter and aerosol particles to enter the organic gas remover. Since the organic gas remover has an adsorption layer that can adsorb gaseous organic matter, the mixed sample gas After passing through the organic gas remover, only aerosol particles are left. The aerosol particles are introduced into the heating component, heated and vaporized, and the vaporized aerosol particles are transported to the ionization component, ionized into positively charged cations and negatively charged anions, and the aerosol particles Cp are measured. By calculating the difference between Ct and Cp, the gaseous organic matter Cg (Cg=Ct-Cp) can be measured, and the gaseous organic matter and aerosol particles can be effectively separated, which alleviates the technical problems in the prior art of interference of solvents and inorganic salts on the sample gas, difficulty in obtaining complete organic molecular structure information, and difficulty in accurate online measurement of gaseous and particulate organic matter. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related technologies, the drawings required for use in the specific embodiments or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0043] Figure 1 A schematic diagram of the overall structure of a gaseous and particulate organic matter ionization system provided in an embodiment of the present invention;

[0044] Figure 2 A schematic structural diagram of an organic gas remover provided in an embodiment of the present invention;

[0045] Figure 3 A schematic diagram of the steps of the ionization method provided in an embodiment of the present invention.

[0046] icon:

[0047] 100-organic gas remover; 110-tube barrel body; 120-adsorption layer; 130-inner barrel; 200-empty tube component; 300-heating component; 310-double-layer sleeve; 311-inner tube; 312-outer tube; 313-first empty chamber; 314-second empty chamber; 320-heat-conducting body; 330-heating element; 340-thermocouple temperature sensor; 400-ionization component; 410-ionization chamber; 420-soft X-ray light source; 500-mass spectrometer base; 510-exhaust channel; 520-third empty chamber; 600-vacuum pump; 700-first three-way valve; 800-second three-way valve; 900-mass spectrometer detector. DETAILED DESCRIPTION

[0048] Currently, when studying gaseous and particulate organic matter, the solvents and inorganic salts in the sample gas will interfere with aerosol ionization, and it is difficult to obtain complete organic molecular structure information and to perform accurate online measurement of gaseous and particulate organic matter.

[0049] In view of this, the present embodiment provides a gaseous and particulate organic matter ionization system, including: an organic gas remover 100, an empty pipe component 200, a heating component 300 and an ionization component 400; the organic gas remover 100 and the empty pipe component 200 are connected in parallel and are both connected to a gas source containing gaseous organic matter and aerosol particles; the organic gas remover 100 has an adsorption layer 120, and the adsorption layer 120 is configured to be able to adsorb gaseous organic matter in the mixed sample gas; the gaseous organic matter and the aerosol particles can be selectively connected to the organic gas remover 100 or the empty pipe component 200; the heating component 300 is arranged downstream of the organic gas remover 100 and the empty pipe component 200, and the heating component 300 is configured to be able to heat the gaseous organic matter and / or aerosol particles to vaporize the aerosol particles; the ionization component 400 is arranged downstream of the heating component 300, and is used to ionize the gaseous medium to a charged ion state.

[0050] The mixed sample gas containing gaseous organic matter and aerosol particles is introduced into the organic gas remover 100 or the empty pipe component 200, and the mixed sample gas containing gaseous organic matter and aerosol particles is allowed to enter the empty pipe component 200 by controlling the gas path. The empty pipe component 200 does not perform any treatment on the mixed sample gas. The mixed sample gas containing gaseous organic matter and aerosol particles is heated and gasified, and then enters the ionization chamber 410, where it is ionized into positively charged cations and negatively charged anions, and the total sample gas Ct is measured. The gas path is controlled again to allow the mixed sample gas containing gaseous organic matter and aerosol particles to enter the organic gas remover 100. Since the organic gas remover 100 has an adsorption layer 12 capable of adsorbing gaseous organic matter, the mixed sample gas Ct is measured. 0, so after the mixed sample gas passes through the organic gas remover 100, only aerosol particles are left, and the aerosol particles are introduced into the heating component 300, the aerosol particles are heated and vaporized, and the vaporized aerosol particles are transported to the ionization component 400, ionized into positively charged cations and negatively charged anions, and the aerosol particles Cp are measured, and the gaseous organic matter Cg (Cg = Ct-Cp) can be measured by calculating the difference between Ct and Cp, and the gaseous organic matter and aerosol particles can be effectively separated, which alleviates the technical problems in the prior art of interference of solvents and inorganic salts on the sample gas, difficulty in obtaining complete organic molecular structure information, and difficulty in accurate online measurement of gaseous and particulate organic matter.

[0051] Regarding the shape and structure of the organic gas remover 100, in detail:

[0052] like Figure 1 and Figure 2 As shown, the organic gas remover 100 includes an adsorption layer 120, a tube barrel body 110 and an inner barrel 130. The inner barrel 130 can be set as a hollow barrel with a mesh with holes. The inner barrel 130 is connected to a mixed sample gas containing gaseous organic matter and aerosol particles. The inner wall of the tube barrel body 110 and the outer wall of the inner barrel 130 form a cavity. The adsorption layer 120 is filled in the cavity. The adsorption layer 120 can be set as activated carbon. The activated carbon is used to absorb gaseous organic matter. When the mixed sample gas containing gaseous organic matter and aerosol particles flows through the inner barrel 130, since the diffusion rate of gas molecules is greater than that of aerosol particles, the gaseous organic matter will be adsorbed by the activated carbon, and the aerosol particles will not be affected.

[0053] The inner barrel 130 and the tube barrel body 110 can be independently arranged, that is, the inner barrel 130 is inserted into the tube barrel body 110 . The inner barrel 130 and the tube barrel body 110 can also be manufactured as a whole, that is, the inner barrel 130 and the adsorption layer 120 are hollowed out inside the cylindrical tube barrel body 110 .

[0054] Regarding the shape and structure of the hollow tube member 200, in detail:

[0055] like Figure 1As shown, the empty pipe component 200 is connected to a mixed sample gas containing gaseous organic matter and aerosol particles, and the empty pipe component 200 is connected in parallel with the organic gas remover 100. The mixed sample gas containing gaseous organic matter and aerosol particles can enter the empty pipe component 200, and can also enter the organic gas remover 100. The empty pipe component 200 does not process the mixed sample gas.

[0056] Regarding the shape and structure of the heating member 300, in detail:

[0057] like Figure 1 As shown, the heating component 300 includes a double-layer sleeve 310, a heat-conducting body 320, a heating element 330 and a thermocouple temperature sensor 340. The double-layer sleeve 310 is provided with an outer tube 312 and an inner tube 311. The gas path is controlled to allow a mixed sample gas containing gaseous organic matter and aerosol particles to pass into the organic gas remover 100. After the mixed sample gas passes through the organic gas remover 100, the gaseous organic matter is adsorbed by the activated carbon in the adsorption layer 120, leaving the sample gas containing aerosol particles to enter the organic gas remover 100. The second chamber 314 formed inside the inner tube 311 is provided with auxiliary gas in the first chamber 313. The auxiliary gas can be set as nitrogen. The heating element 330 located inside the heat-conducting body 320 transfers heat to the auxiliary gas in the first chamber 313 through the heat-conducting body 320. The heat-conducting body 320 can be set as an aluminum cylinder. The heating element 330 heats the aerosol particles in the second chamber 314 by heating the auxiliary gas and gasifies the aerosol particles. The internal thermocouple temperature sensor 340 can monitor the temperature in real time, and then adjust the heating temperature of the heating element 330 to a desired value; the gas path is controlled to allow the mixed sample gas containing gaseous organic matter and aerosol particles to pass into the empty tube component 200, and the mixed sample gas passing through the empty tube component 200 is not processed, and then passes into the second chamber 314 formed by the inner tube 311, and an auxiliary gas is passed into the first chamber 313, and the auxiliary gas can be set to nitrogen. The heating element 330 located inside the heat-conducting body 320 transfers heat to the auxiliary gas in the first chamber 313 through the heat-conducting body 320, and the heat-conducting body 320 can be set to an aluminum cylinder. The mixed sample gas containing gaseous organic matter and aerosol particles in the second chamber 314 is heated by heating the auxiliary gas, and the aerosol particles therein are gasified. The thermocouple temperature sensor 340 located inside the heat-conducting body 320 can monitor the temperature in real time, and then adjust the heating temperature of the heating element 330 to a desired value.

[0058] In addition, the double-layer sleeve 310 can be provided separately and inserted into the heat-conducting body 320, or it can be manufactured together with the heat-conducting body 320 and form a whole with the heat-conducting body 320.

[0059] Regarding the shapes and structures of the first three-way valve 700 and the second three-way valve 800, in detail:

[0060] like Figure 1 As shown, a mixed sample gas containing gaseous organic matter and aerosol particles is introduced into the inlet of the first three-way valve 700, and the mixed sample gas is introduced into the organic gas remover 100 or the empty tube component 200 through the outlet of the first three-way valve 700. The sample gas containing aerosol particles after passing through the organic gas remover 100 enters the second three-way valve 800 through the inlet of the second three-way valve 800, and enters the second air chamber 314 through the outlet of the second three-way valve 800; the mixed sample gas passing through the empty tube component 200 enters the second three-way valve 800 through the inlet of the second three-way valve 800, and enters the second air chamber 314 through the outlet of the second three-way valve 800.

[0061] Regarding the shape and structure of the ionization member 400, in detail:

[0062] like Figure 1 As shown, the ionization component 400 includes an ionization chamber 410. The vaporized aerosol particles or the vaporized aerosol particles and gaseous organic matter passing through the second chamber 314 enter the ionization chamber 410 and are ionized into molecular ions by photons emitted by the soft X-ray light source 420 in the ionization chamber 410. The ionization chamber 410 can be set to 316L stainless steel material.

[0063] Regarding the shape and structure of the mass spectrometer base 500, in detail:

[0064] like Figure 1 As shown, the mass spectrometer base 500 includes a third chamber 520 and an exhaust channel 510. The mass spectrometer base 500 can be set as a sealed cover made of stainless steel. The sample gas passing through the ionization chamber 410 is ionized into molecular ions. The vacuum pump 600 connected to the exhaust channel 510 can drive the ion sample into the third chamber 520, adjust the flow rate of the ions entering the mass spectrometer detector 900, and extract excess gas at the same time.

[0065] In the optional scheme of this embodiment, it is more preferred to control the gas path so that the mixed sample gas containing gaseous organic matter and aerosol particles passes through the first three-way valve 700 into the organic gas remover 100, the adsorption layer 120 containing activated carbon adsorbs the gaseous organic matter, and the sample gas containing aerosol particles passes through the second three-way valve 800 into the second chamber 314, the auxiliary gas passes through the first chamber 313 into the ionization chamber 410, and the auxiliary gas in the first chamber 313 is heated by the heating element 330 to heat and vaporize the aerosol particles, and the vaporized aerosol particles and the auxiliary gas enter the ionization chamber 410, and the high-energy photons emitted by the soft X-ray light source 420 ionize the organic molecules into positively charged cations and negatively charged anions, and the charged ions are introduced into the third chamber 520, and under the action of the vacuum pump 600, the ions can enter The mass spectrometer detector 900 controls the gas path so that the mixed sample gas containing gaseous organic matter and aerosol particles enters the empty tube component 200 through the first three-way valve 700. The empty tube component 200 does not process the mixed sample gas. The mixed sample gas enters the second chamber 314 through the second three-way valve 800. The auxiliary gas enters the ionization chamber 410 through the first chamber 313. The auxiliary gas in the first chamber 313 is heated by the heating element 330 to heat and vaporize the aerosol particles. The vaporized aerosol particles, gaseous organic matter and auxiliary gas enter the ionization chamber 410 together. The high-energy photons emitted by the soft X-ray light source 420 will ionize the organic molecules into positively charged cations and negatively charged anions. The charged ions are introduced into the third chamber 520. Under the action of the vacuum pump 600, the ions can enter the mass spectrometer detector 900 for detection.

[0066] This embodiment clearly provides an ionization method, comprising the following steps:

[0067] like Figure 3 As shown, S1: a mixed sample gas containing gaseous organic matter and aerosol particles passes through the empty pipe component 200 to the heating component 300, the mixed sample gas is heated by the heating component 300, the aerosol particles therein are gasified, the gasified aerosol particles and gaseous organic matter enter the ionization component 400, the ionization component 400 ionizes the gas medium to an ion state, and the Ct of the mixed sample gas is measured;

[0068] S2: After the mixed sample gas containing gaseous organic matter and aerosol particles passes through the organic gas remover 100, the gaseous organic matter is removed, and the remaining gas medium containing aerosol particles enters the heating component 300, the heating component 300 heats and gasifies the aerosol particles, and the gasified aerosol particles enter the ionization component 400, and are ionized to an ion state by the ionization component 400, and the Cp of the aerosol particles is measured;

[0069] S3: Calculate Cg of gaseous organic matter, Cg = Ct - Cp.

[0070] In the optional scheme of this embodiment, it is more preferred that a mixed sample gas containing gaseous organic matter and aerosol particles is passed into the heating component 300 through the empty pipe component 200 by controlling the gas path, and enters the ionization component 400 after being heated by the heating component 300, and the gas is ionized to an ion state by the ionization component 400, and the mixed sample gas Ct is measured, and the mixed sample gas containing gaseous organic matter and aerosol particles is passed into the organic gas remover 100 by controlling the gas path, and the sample gas after the gaseous organic matter is removed by the organic gas remover 100 is passed into the ionization component 400, and the aerosol particles Cp is measured after the ionization component 400 is ionized to an ion state, and the difference between Ct and Cp is calculated to obtain Cg.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gaseous and particulate organic matter ionization system, characterized in that: include: An organic gas remover (100), an empty pipe component (200), a heating component (300), and an ionization component (400); The organic gas remover (100) is connected in parallel with the empty pipe component (200) and both are connected to a gas source containing gaseous organic matter and aerosol particles; The organic gas remover (100) comprises an adsorption layer (120), wherein the adsorption layer (120) is configured to be able to adsorb gaseous organic matter in the mixed sample gas; Gaseous organic matter and aerosol particles can be selectively connected to the organic gas remover (100) or the empty pipe member (200); The heating component (300) is disposed downstream of the organic gas remover (100) and the empty pipe component (200), and the heating component (300) is configured to heat gaseous organic matter and / or aerosol particles to gasify the aerosol particles; The ionization component (400) is arranged downstream of the heating component (300) and is used to ionize the gaseous medium into a charged ion state; The adsorption layer (120) is activated carbon; The organic gas remover (100) comprises a tube barrel body (110); The inner wall of the tube barrel body (110) has a cavity, and the adsorption layer (120) is filled in the cavity; The organic gas remover (100) further includes an inner barrel (130); The inner barrel (130) is arranged in the tube barrel body (110), and the cavity is formed between the outer wall of the inner barrel (130) and the inner wall of the tube barrel body (110); The ionization component (400) has an ionization chamber (410), and a side wall of the ionization chamber (410) is connected to a soft X-ray light source (420); The system also includes a first three-way valve (700); The inlet of the first three-way valve (700) is connected to the gas source, and the two outlets of the first three-way valve (700) are respectively connected to the inlet ends of the organic gas remover (100) and the empty pipe component (200); Also comprising a second three-way valve (800); The outlet of the second three-way valve (800) is in communication with the heating member (300), and the two inlets of the second three-way valve (800) are in communication with the outlets of the organic gas remover (100) and the empty pipe member (200), respectively; The gas path is controlled so that the mixed sample gas containing gaseous organic matter and aerosol particles passes through the first three-way valve (700) and enters the organic gas remover (100). The adsorption layer (120) containing activated carbon adsorbs the gaseous organic matter, leaving the sample gas containing aerosol particles to pass through the second three-way valve (800) and enter the second chamber (314). The auxiliary gas passes through the first chamber (313) and enters the ionization chamber (410). The auxiliary gas in the first chamber (313) is heated by the heating element (330) to heat and vaporize the aerosol particles. The vaporized aerosol particles and the auxiliary gas enter the ionization chamber (410). The high-energy photons emitted by the soft X-ray light source (420) ionize the organic molecules into positively charged cations and negatively charged anions. The charged ions are introduced into the third chamber (520). Under the action of the vacuum pump (600), the ions can enter the mass spectrometer detector (900). ; Controlling the gas path so that a mixed sample gas containing gaseous organic matter and aerosol particles enters the empty tube component (200) through the first three-way valve (700); the empty tube component (200) does not process the mixed sample gas; the mixed sample gas enters the second empty chamber (314) through the second three-way valve (800); the auxiliary gas enters the ionization chamber (410) through the first empty chamber (313); the auxiliary gas in the first empty chamber (313) is heated by the heating element (330) to heat and gasify the aerosol particles; the gasified aerosol particles, gaseous organic matter and auxiliary gas enter the ionization chamber (410) together; the high-energy photons emitted by the soft X-ray light source (420) ionize the organic molecules into positively charged cations and negatively charged anions; the charged ions are introduced into the third empty chamber (520); under the action of the vacuum pump (600), the ions can enter the mass spectrometer detector (900) for detection; The heating component (300) comprises a double-layer sleeve (310); The double-layer casing (310) comprises an inner tube (311) and an outer tube (312), wherein the inner tube (311) is arranged at the center of the outer tube (312), and a first chamber (313) is formed between the outer wall of the inner tube (311) and the inner wall of the outer tube (312), and the auxiliary gas is transported to the ionization component (400) through the first chamber (313); A second chamber (314) is formed in the inner tube (311), one end of the second chamber (314) is communicated with the outlet of the second three-way valve (800), and the other end of the second chamber (314) is communicated with the ionization member (400); The heating component (300) further comprises a heat-conducting body (320), a heating element (330) and a thermocouple temperature sensor (340); A cavity for accommodating the double-layer sleeve (310) is provided in the heat-conducting body (320), and the heating element (330) and the thermocouple temperature sensor (340) are arranged in the heat-conducting body (320); The gas path is controlled so that a mixed sample gas containing gaseous organic matter and aerosol particles is passed into the organic gas remover (100). The gaseous organic matter in the mixed sample gas passing through the organic gas remover (100) is adsorbed by the activated carbon in the adsorption layer (120), and the sample gas containing aerosol particles is left to enter the second chamber (314) formed inside the inner tube (311). Auxiliary gas is passed into the first chamber (313), and the auxiliary gas can be set as nitrogen. The heating element (330) located inside the heat-conducting body (320) transfers heat to the auxiliary gas in the first chamber (313) through the heat-conducting body (320). The heat-conducting body (320) can be set as an aluminum cylinder. The heating element (330) heats the aerosol particles in the second chamber (314) by heating the auxiliary gas, and gasifies the aerosol particles. The thermocouple temperature sensor (340) located inside the heat-conducting body (320) can monitor the temperature in real time, and then the heating element (330) can be set to the temperature of the auxiliary gas in the first chamber (313). 0) to a desired value; controlling the gas path so that a mixed sample gas containing gaseous organic matter and aerosol particles is passed into the empty tube component (200); the mixed sample gas passing through the empty tube component (200) is not processed and then passed into a second empty chamber (314) formed inside the inner tube (311); an auxiliary gas is passed into the first empty chamber (313); the auxiliary gas can be set to nitrogen; a heating element (330) located inside the heat-conducting body (320) transfers heat to the auxiliary gas in the first empty chamber (313) through the heat-conducting body (320); the heat-conducting body can be set to an aluminum cylinder; the mixed sample gas containing gaseous organic matter and aerosol particles in the second empty chamber (314) is heated by heating the auxiliary gas, and the aerosol particles therein are gasified; a thermocouple temperature sensor (340) located inside the heat-conducting body (320) can monitor the temperature in real time, and the heating temperature of the heating element (330) can be adjusted to a desired value; Also included is a mass spectrometer base (500); The mass spectrometer base (500) is provided with a third chamber (520) and an exhaust channel (510); The third chamber (520) is in communication with the ionization chamber (410), and a side wall of the third chamber (520) is used to connect with a mass spectrometer detector (900); The exhaust channel (510) is connected to the air pump (600); The ionization method using a gaseous and particulate organic matter ionization system comprises the following steps: A mixed sample gas containing gaseous organic matter and aerosol particles passes through an empty pipe component (200) to a heating component (300), the mixed sample gas is heated by the heating component (300), the aerosol particles therein are gasified, the gasified aerosol particles and gaseous organic matter enter an ionization component (400), the ionization component (400) ionizes the gas medium to an ion state, and the Ct of the mixed sample gas is measured; A mixed sample gas containing gaseous organic matter and aerosol particles passes through an organic gas remover (100) to remove the gaseous organic matter, and the remaining gas medium containing aerosol particles enters a heating component (300). The heating component (300) heats and gasifies the aerosol particles. The gasified aerosol particles enter an ionization component (400) and are ionized to an ion state by the ionization component (400), and the Cp of the aerosol particles is measured. Calculate Cg of gaseous organic matter, Cg = Ct-Cp; The system introduces a mixed sample gas containing gaseous organic matter and aerosol particles into an organic gas remover (100) or an empty pipe component (200), controls the gas path so that the mixed sample gas containing gaseous organic matter and aerosol particles enters the empty pipe component (200), and the empty pipe component (200) does not perform any treatment on the mixed sample gas. The mixed sample gas containing gaseous organic matter and aerosol particles is heated and gasified, and then enters an ionization chamber (410), where it is ionized into positively charged cations and negatively charged anions, and the total sample gas Ct is measured. The gas path is controlled again so that the mixed sample gas containing gaseous organic matter and aerosol particles enters the empty pipe component (200), and the mixed sample gas enters the ionization chamber (410). The mixed sample gas enters the organic gas remover (100). Since the organic gas remover (100) has an adsorption layer (120) that can adsorb gaseous organic matter, after the mixed sample gas passes through the organic gas remover (100), only aerosol particles are left. The aerosol particles are introduced into the heating component (300), and the aerosol particles are heated and vaporized. The vaporized aerosol particles are transported to the ionization component (400), ionized into positively charged cations and negatively charged anions, and the aerosol particles Cp are measured. By calculating the difference between Ct and Cp, the gaseous organic matter Cg can be measured.

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