CN113654852A - Unmanned aerial vehicle micro-extraction analysis device and method for field analysis - Google Patents
Unmanned aerial vehicle micro-extraction analysis device and method for field analysis Download PDFInfo
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- CN113654852A CN113654852A CN202110903250.6A CN202110903250A CN113654852A CN 113654852 A CN113654852 A CN 113654852A CN 202110903250 A CN202110903250 A CN 202110903250A CN 113654852 A CN113654852 A CN 113654852A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/028—Micro-sized aircraft
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses an unmanned aerial vehicle micro-extraction analysis device for field analysis, which comprises an unmanned aerial vehicle body, an analysis instrument for analysis and identification, and a solid phase adsorption micro-extraction module, wherein the solid phase adsorption micro-extraction module is made of porous materials; the surface of the unmanned aerial vehicle is provided with a mounting groove, and the solid phase adsorption micro-extraction module is inserted in the mounting groove. The invention has the beneficial effects that: carry on the micro-extraction module of solid phase absorption through using unmanned aerial vehicle and sample, the sample is fully adsorbed by the micro-extraction module of solid phase absorption under the drive of air current, thereby make the analysis of volatility and semi-volatile component in fields such as high altitude atmospheric environment become possible, broken through the detection mode that the complex operation of the emergent scene of poisonous harmful volatile component such as analysis pesticide residue, conflagration, the scene of explosion, chemicals leakage, toxin agent pesticide operation scene was consuming time on the traditional technology, this application range who has widened the micro-extraction technique of solid phase greatly, wide market perspective has.
Description
Technical Field
The invention relates to the technical field of enrichment devices and analysis of unmanned aerial vehicles, in particular to an unmanned aerial vehicle micro-extraction analysis device and method for field analysis.
Technical Field
At the emergent scene of poisonous harmful volatile component, for example, atmospheric environment pollutant, the burning product of burning and exploding the scene, poisonous and harmful gas's the place of revealing, pesticide spraying operation remains scene etc. people usually can't the rapid judgement these volatile components to the harm and the influence of health, can't trade and go to the processing, need the professional analysis and detection method urgently, and these compositions of quick identification to corresponding reply operation measure is formulated.
The solid phase micro-extraction technology is one of the most common sample collection and pretreatment modes, is widely applied to the adsorption micro-extraction of volatile components in different fields, and can adsorb and concentrate target components in a liquid phase and a gas phase in a solid phase material. After the sample is enriched, the solid phase adsorption micro-extraction module is combined with other analytical instruments such as chromatography or mass spectrometry to realize desorption and analysis of the sample. Typically, solid phase microextraction techniques are used to collect samples prior to enrichment, for example, collecting an ambient water sample in a sampling bottle, or collecting ambient atmosphere in a gas extraction bag or bottle, which is then inserted into a solid phase microextraction module for enrichment.
However, at present, the solid phase micro-extraction technology is difficult to be used for sample enrichment in high-altitude atmospheric environment. Unmanned aerial vehicle, including fixed wing and rotor unmanned aerial vehicle, have the flexibility and control nature and certain bearing capacity. Therefore, the micro-extraction enrichment and analysis oriented to on-site analysis by using the unmanned aerial vehicle is necessary to meet the requirement of on-site emergency analysis.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a device and a method for unmanned aerial vehicle micro-extraction analysis for field analysis.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an unmanned aerial vehicle micro-extraction analysis device for field analysis comprises an unmanned aerial vehicle body, an analysis instrument for analysis and identification, and a solid phase adsorption micro-extraction module, wherein the solid phase adsorption micro-extraction module is made of a porous material; the surface of the unmanned aerial vehicle is provided with a mounting groove, and the solid phase adsorption micro-extraction module is inserted in the mounting groove.
The porous material is prepared by compounding one or more of polydimethylsiloxane, carbon molecular sieve, polydivinylbenzene and polypropylene.
It should be noted that the porous material can also be made by compounding a surface modified metal material and other adsorption micro-extraction materials.
Further, the invention also provides an analysis method of the unmanned aerial vehicle micro-extraction analysis device for field analysis, which comprises the following steps:
s1, selecting different types of solid phase adsorption micro-extraction modules according to different analysis scenes;
s2, inserting the selected solid phase adsorption micro-extraction module into an installation groove of an unmanned aerial vehicle;
s3, starting the unmanned aerial vehicle and flying to a sample collection point, exposing the solid phase adsorption micro-extraction module in the atmosphere, thereby enriching volatile and semi-volatile components in the atmospheric environment;
s4, the solid phase adsorption micro-extraction module after enriching the sample is taken down and put into an analytical instrument for combined use, and the molecular information of the enriched sample is directly obtained.
It should be noted that in step S1, the selected solid-phase adsorption micro-extraction module needs to be activated at a high temperature, where the activation temperature is greater than 20 ℃.
It should be noted that the analysis apparatus includes gas chromatography and liquid chromatography with different chromatographic columns, mass spectrometry apparatus with different ion sources, and different combinations of chromatography-mass spectrometry methods.
The invention has the beneficial effects that: carry on the micro-extraction module of solid phase absorption through using unmanned aerial vehicle and sample, the sample is fully adsorbed by the micro-extraction module of solid phase absorption under the drive of air current, thereby make the analysis of volatility and semi-volatile component in fields such as high altitude atmospheric environment become possible, broken through the detection mode that the complex operation of the emergent scene of poisonous harmful volatile component such as analysis pesticide residue, conflagration, the scene of explosion, chemicals leakage, toxin agent pesticide operation scene was consuming time on the traditional technology, this application range who has widened the micro-extraction technique of solid phase greatly, wide market perspective has.
Drawings
Fig. 1 is a schematic view of a rotary wing unmanned aerial vehicle micro-extraction apparatus of the present invention;
FIG. 2 is a schematic view of a fixed wing drone micro-extraction device of the present invention;
FIG. 3 is a schematic diagram of an unmanned aerial vehicle micro-extraction module coupled analyzer of the present invention;
FIG. 4 is a gas chromatogram of example 1 of the present invention;
FIG. 5 is a mass spectrum of example 1 of the present invention;
FIG. 6 is a mass spectrum of example 2 of the present invention;
FIG. 7 is a mass spectrum of example 3 of the present invention.
Description of reference numerals:
1 unmanned aerial vehicle, 2 solid phase adsorption micro-extraction module, 3 analytical instrument.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
As shown in fig. 1, 2 and 3, the present invention is an apparatus for performing on-site analysis-oriented micro-extraction analysis by using an unmanned aerial vehicle, and the apparatus includes an unmanned aerial vehicle body 1 and an analysis instrument 3 for performing analysis and identification; further, the device also comprises a solid phase adsorption micro-extraction module 2, wherein the solid phase adsorption micro-extraction module 2 is made of porous materials; the surface of unmanned aerial vehicle 1 is equipped with the mounting groove, solid phase adsorbs micro-extraction module 2 peg graft in the mounting groove.
It should be noted that the drones of the present invention may be fixed wing and rotor drones.
Furthermore, the porous material is prepared by compounding one or more of polydimethylsiloxane, carbon molecular sieve, polydivinylbenzene and polypropylene.
In order to aim at different types of solid matters, the porous material can also be prepared by compounding a surface modified metal material and other adsorption micro-extraction materials.
Based on the device, the invention also provides an analysis method of the device for the unmanned aerial vehicle micro-extraction analysis for field analysis, which comprises the following steps:
s1, selecting different types of solid phase adsorption micro-extraction modules according to different analysis scenes;
s2, inserting the selected solid phase adsorption micro-extraction module into an installation groove of an unmanned aerial vehicle;
s3, starting the unmanned aerial vehicle and flying to a sample collection point, exposing the solid phase adsorption micro-extraction module in the atmosphere, thereby enriching volatile and semi-volatile components in the atmospheric environment;
s4, the solid phase adsorption micro-extraction module after enriching the sample is taken down and put into an analytical instrument for combined use, and the molecular information of the enriched sample is directly obtained.
It should be noted that in step S1, the selected solid-phase adsorption micro-extraction module needs to be activated at a high temperature, where the activation temperature is greater than 20 ℃.
As shown in fig. 3, the analysis apparatus 3 includes gas chromatography and liquid chromatography with different chromatographic columns, mass spectrometry apparatus with different ion sources, and different combinations of chromatography-mass spectrometry methods.
Example 1
The device provided by the invention is used for detecting jasmine volatile matters, and the specific method is as follows:
step one, selecting a micro-extraction adsorption module and activating at high temperature;
fixing the solid-phase adsorption micro-extraction module in an installation groove on an unmanned aerial vehicle, starting the unmanned aerial vehicle to convolute under the jasmine tree, and exposing the solid-phase adsorption micro-extraction module in the atmosphere so as to enrich volatile and semi-volatile components of plants in the atmospheric environment;
and step three, combining the solid phase adsorption micro-extraction module after enriching the sample with a gas chromatography mass spectrum to directly obtain the information of the components.
The chromatogram of the detection result of this example is shown in FIG. 4, which shows that a large amount of volatile components in jasmine were detected. Wherein the component with retention time of 11.7 min in chromatogram is linalool which is characteristic component of flos Jasmini sambac, and mass spectrum is shown in FIG. 5. The data indicate that the device successfully detected the aroma components of jasmine in the air.
Example 2
The device of the invention is used for detecting the combustion products of the benzene solution, and the specific method is as follows:
step one, selecting a micro-extraction adsorption module and activating at high temperature;
fixing the solid phase adsorption micro-extraction module in a mounting groove on an unmanned aerial vehicle, starting the unmanned aerial vehicle to circle in benzene-burning atmosphere, and exposing the solid phase adsorption micro-extraction module in the atmosphere so as to enrich volatile and semi-volatile components in benzene burning in the atmospheric environment;
and step three, combining the solid phase adsorption micro-extraction module after enriching the sample with an electron ionization mass spectrum to directly obtain the information of the components.
The mass spectrum of the detection result of the embodiment is shown in FIG. 6, wherein m/z 78 is the molecular ion peak of benzene, m/ z 91 and 105 are the mass spectrum peaks of the benzene combustion product, and m/z 51 and 55 are the mass spectrum peaks of the benzene fragment ion, and the data shows that the device detects the benzene component in the air.
Example 3
The volatile matter of the bromobenzene leaked in the air is detected by using the device of the invention, and the specific method comprises the following steps:
step one, selecting a micro-extraction adsorption module and activating at high temperature;
fixing the solid-phase adsorption micro-extraction module in a mounting groove on an unmanned aerial vehicle, starting the unmanned aerial vehicle to circle in the atmosphere containing bromobenzene volatile matters, and exposing the solid-phase adsorption micro-extraction module in the atmosphere so as to enrich the volatile components of bromobenzene leaked in the atmospheric environment;
and step three, combining the solid phase adsorption micro-extraction module after enriching the sample with an electron ionization mass spectrum to directly obtain the information of the components.
The mass spectrum of the detection result of the embodiment is shown in FIG. 7, the result shows that m/z 158 in the spectrum is the mass spectrum peak of bromobenzene and isotope thereof, and m/ z 77, 78 and 52 are the mass spectrum peak of bromobenzene fragment ions, and the data shows that the device detects bromobenzene in air.
Various modifications may be made by those skilled in the art based on the above teachings and concepts, and all such modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (6)
1. The device for unmanned aerial vehicle micro-extraction analysis for field analysis comprises an unmanned aerial vehicle body and an analysis instrument for analysis and identification, and is characterized by further comprising a solid phase adsorption micro-extraction module, wherein the solid phase adsorption micro-extraction module is made of a porous material; the surface of the unmanned aerial vehicle is provided with a mounting groove, and the solid phase adsorption micro-extraction module is inserted in the mounting groove.
2. The apparatus for unmanned aerial vehicle micro-extraction analysis oriented to on-site analysis of claim 1, wherein the porous material is made of one or more of polydimethylsiloxane, carbon molecular sieve, polydivinylbenzene and polypropylene.
3. The apparatus for unmanned aerial vehicle micro-extraction analysis oriented to field analysis of claim 1, wherein the porous material can also be made by compounding surface modified metal material and other adsorption micro-extraction material.
4. An analysis method using the apparatus for unmanned aerial vehicle micro-extraction analysis for field analysis of claim 1, the method comprising the steps of:
s1, selecting different types of solid phase adsorption micro-extraction modules according to different analysis scenes;
s2, inserting the selected solid phase adsorption micro-extraction module into an installation groove of an unmanned aerial vehicle;
s3, starting the unmanned aerial vehicle and flying to a sample collection point, exposing the solid phase adsorption micro-extraction module in the atmosphere, thereby enriching volatile and semi-volatile components in the atmospheric environment;
s4, the solid phase adsorption micro-extraction module after enriching the sample is taken down and put into an analytical instrument for combined use, and the molecular information of the enriched sample is directly obtained.
5. The method of claim 4, wherein the selected solid phase adsorption micro-extraction module is activated at a high temperature, which is greater than 20 degrees C, in step S1.
6. The analysis method of the unmanned aerial vehicle micro-extraction analysis device for on-site analysis according to claim 4, wherein the analysis instrument comprises gas chromatography, liquid chromatography with different chromatographic columns, mass spectrometry instrument with different ion sources, and chromatography-mass spectrometry method with different combinations.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI848379B (en) * | 2022-05-08 | 2024-07-11 | 財團法人工業技術研究院 | Environmental monitoring system connecting to a mobile vehicle |
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