CN112245972A - Movable desorption device of solid phase micro-extractor - Google Patents
Movable desorption device of solid phase micro-extractor Download PDFInfo
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- CN112245972A CN112245972A CN202011108681.5A CN202011108681A CN112245972A CN 112245972 A CN112245972 A CN 112245972A CN 202011108681 A CN202011108681 A CN 202011108681A CN 112245972 A CN112245972 A CN 112245972A
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- 239000007790 solid phase Substances 0.000 title claims abstract description 56
- 238000003795 desorption Methods 0.000 title claims abstract description 55
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 239000012159 carrier gas Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002912 waste gas Substances 0.000 claims description 8
- 239000000112 cooling gas Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 12
- 238000005070 sampling Methods 0.000 abstract description 8
- 238000004817 gas chromatography Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 231100000597 Sick building syndrome Toxicity 0.000 description 2
- 238000003905 indoor air pollution Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 208000008842 sick building syndrome Diseases 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 206010024264 Lethargy Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000036620 skin dryness Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/20—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the conditioning of the sorbent material
- B01D15/203—Equilibration or regeneration
-
- 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
- G01N1/34—Purifying; Cleaning
-
- 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
- G01N1/40—Concentrating samples
-
- 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
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
-
- 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
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/062—Preparation extracting sample from raw material
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to the technical field of equipment and instruments for detection, and particularly relates to a movable desorption device of a solid-phase micro-extractor. Comprises a shell, a cleaning bin, an air compressor, a display screen, an electric control device and the like. The cleaning bin and the heater are arranged in the shell, and the top of the cleaning bin is provided with a solid phase micro-extractor insertion opening. The air compressor, the filter and the air storage tank are sequentially communicated, the air storage tank is sequentially communicated with the flowmeter, the hot gas circuit electromagnetic valve and the heater through a carrier gas inlet on the shell, and the heater is connected with the cleaning bin. The desorption device provided by the invention realizes rapid batch desorption of the solid phase micro-extractor on the sampling site, reduces the desorption time to be less than 10% of the original desorption time, realizes batch treatment and improves the working efficiency. Meanwhile, the pollution to gas chromatography is reduced, the service life of the solid phase micro-extractor is prolonged, secondary pollution caused by the process of bringing the desorbed sample from a laboratory to a sampling place is avoided, the detection time is shortened, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of equipment and instruments for detection, and particularly relates to a movable desorption device of a solid-phase micro-extractor.
Background
More than 90% of the time a modern spends indoors, indoor air pollution can damage the respiratory system of a human body, causing Sick Building Syndrome (SBS), building related diseases (BRI) and multiple chemical pollutant allergies (MCS). With the acceleration of the urbanization process, the indoor air pollution is increasingly serious. Building decoration materials are one of the main sources of Volatile Organic Compounds (VOCs) in indoor air pollutants, and the released VOCs mainly comprise aldehydes (ketones), aromatic hydrocarbons, terpenes and the like. Gaseous pollutants significantly affect the comfort, health and work efficiency of people. It may cause sensory stimulation to the human body, dry the human body, irritate the eye mucosa, the nasal mucosa, the respiratory tract, the skin and the like; can cause selective damage to vision and retina, and neurasthenia symptoms such as dizziness, headache, debilitation, skin dryness and rupture, memory deterioration, lethargy, etc. can appear after long-term contact with gaseous pollutants. It is therefore necessary to detect gaseous contaminants in indoor air.
The solid phase micro extractor is a novel method for collecting gaseous pollutants. Has the advantages of simplicity, convenience, quickness, wide application range and the like. The solid phase micro-extractor is developed in the last century, and has been widely used for measuring the concentration of solid, liquid and gaseous organic matters at present due to the advantages of no need of solvent, small sampling amount, simple structure, convenient operation and the like. The device comprises an extraction head, a stainless steel inner core, a stainless steel needle tube and a rotating head. The extraction head is a fused quartz fiber coated with a stationary phase extraction coating, one end of the quartz fiber is connected with a stainless steel inner core, and a stainless steel needle tube is sleeved outside the stainless steel inner core to protect the quartz fiber from being broken. The stainless steel inner core extends out from the other end of the needle tube and is connected with a rotating head for being connected with an automatic sample injector, and the extracting head can stretch out and draw back in the needle tube by pushing and pulling the rotating head. However, the disadvantages of this device are: before use, the material must be desorbed and used as soon as possible after desorption.
At present, there is not the special device that carries out the desorption to solid phase micro-extractor in the market, need use gas chromatography in the laboratory in advance to carry out the desorption in the use at present stage, the concrete method is for waiting the solid phase micro-extractor of desorption to insert in gas chromatography's introduction port, this kind of mode can only desorb a solid phase micro-extractor at every turn, work efficiency is low, and still can pollute gas chromatography's introduction port and chromatographic column, and need improve the introduction port temperature in order to reduce the pollution to gas chromatography, can reduce the life-span of solid phase micro-extractor so by a wide margin, carry the in-process that takes the sampling place from the laboratory after the desorption and still can cause secondary pollution.
Disclosure of Invention
The invention aims to provide a movable desorption device of a solid phase micro-extractor, which is used for realizing rapid desorption of the solid phase micro-extractor on a sampling site, eliminating secondary pollution caused in the process of sampling on site after desorption in a laboratory, shortening detection time and improving working efficiency.
The invention provides a movable desorption device of a solid phase micro-extractor, which comprises a shell, a cleaning bin, an air compressor, a filter, an air storage tank, a heater, a cooling fan, a display screen and an electric control device, wherein the shell is provided with a plurality of air outlets; the cleaning bin and the heater are arranged in the shell, the heater is communicated with the cleaning bin, the top of the cleaning bin extends out of the shell, and the top of the cleaning bin is provided with a solid phase micro-extractor insertion hole; the air compressor, the filter and the air storage tank are sequentially communicated, the air storage tank is sequentially communicated with the flowmeter, the hot gas path electromagnetic valve and the heater through a carrier gas inlet on the shell, the heater is connected with desorption pipes in the cleaning bin and at the lower end of an insertion opening of the solid phase micro-extractor through a heating gas path pipeline, the air storage tank is sequentially connected with the flowmeter and the cold gas path electromagnetic valve through the carrier gas inlet on the shell, the cold gas path electromagnetic valve is communicated with desorption pipes in the cleaning bin and at the lower end of the insertion opening of the solid phase micro-extractor through a cooling gas path pipeline, and the cooling gas path pipeline is connected with a cooling waste gas outlet on the shell; the display screen and the electric control device are arranged on the shell of the shell; the display screen and the electric control device are connected with the air compressor, the cold air path electromagnetic valve, the hot air path electromagnetic valve, the heater, the cooling fan and the flow meter through signal lines; the cooling fan is arranged on the shell.
The movable desorption device of the solid phase micro-extractor provided by the invention has the advantages that:
the movable desorption device for the solid phase micro-extractor realizes the rapid batch desorption of the solid phase micro-extractor on the sampling site, reduces the desorption time to be less than 10 percent of the original desorption time, realizes batch treatment and improves the working efficiency. Meanwhile, the pollution to gas chromatography is reduced, the service life of the solid phase micro-extractor is prolonged, secondary pollution caused by the process of bringing the desorbed sample from a laboratory to a sampling place is avoided, the detection time is shortened, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a movable desorption device of a solid phase micro extractor provided by the invention.
Fig. 2 is a schematic structural view of the inside of a cleaning bin of the desorption device of the invention.
In fig. 1, 1 is an air compressor, 2 is a filter system, 3 is a cold air path solenoid valve, 31 is a cooling air path pipeline, 4 is a hot air path solenoid valve, 5 is a heater, 51 is a heating air path pipeline, 6 is a solid phase micro extractor insertion opening, 61 is a desorption pipe, 7 is a cleaning bin, 8 is a cooling fan, 9 is a cooling waste gas outlet, 91 is a cooling waste gas pipeline, 10 is a display screen, 11 is an electric control device, 12 is a flow meter, 13 is a carrier gas inlet, 14 is a gas storage tank, and 15 is a housing.
Detailed Description
The structure of the desorption device of the movable solid phase micro-extractor is shown in figure 1, and the desorption device comprises a shell 15, a cleaning bin 7, an air compressor 1, a filter 2, an air storage tank 14, a heater 5, a cooling fan 8, a display screen 10 and an electric control device 11; the cleaning bin 7 and the heater 5 are arranged in the shell 15, the heater 5 is communicated with the cleaning bin 7, the top of the cleaning bin 7 extends out of the shell 15, and the top of the cleaning bin 7 is provided with a solid phase micro-extractor insertion opening 6; the air compressor 1, the filter 2 and the air storage tank 14 are sequentially communicated, the air storage tank 14 is sequentially communicated with a flowmeter 12, a hot gas path electromagnetic valve 4 and a heater 5 through a carrier gas inlet 13 on a shell 15, the heater is connected with a desorption pipe 61 in the cleaning bin 7 and at the lower end of an insertion opening of the solid phase micro-extractor through a heating gas path pipeline 51, the air storage tank is sequentially connected with the flowmeter and a cold gas path electromagnetic valve through the carrier gas inlet on the shell, the cold gas path electromagnetic valve 3 is communicated with a desorption pipe 61 in the cleaning bin 7 and at the lower end of the insertion opening of the solid phase micro-extractor through a cooling gas path pipeline 31, and the cooling gas path pipeline 31 is connected with a cooling waste gas outlet 9 on; the display screen 10 and the electric control device 11 are connected with the air compressor 1, the cold air path electromagnetic valve 3, the hot air path electromagnetic valve 4, the heater 5, the cooling fan 8 and the flowmeter 12 through signal lines; the cooling fan 8 is mounted on the housing 15.
The following describes the present invention in detail with reference to the accompanying drawings.
The movable desorption device of the solid phase micro-extractor has the working process as follows:
the air purification device is firstly opened, then the solid phase micro-extractor is arranged on the solid phase micro-extractor insertion opening 6 of the desorption device of the solid phase micro-extractor through the quick joint of the air path, and the number of the solid phase micro-extractors can be arranged according to actual requirements. The cleaning bin 7 can simultaneously desorb a plurality of solid phase micro extractors, different solid phase micro extractors are connected with different desorption pipes 61, and all desorption pipes 61 are respectively connected with the heating gas pipeline 51 and the cooling gas pipeline 31. A joint connected with a polytetrafluoroethylene spacer is arranged between the upper end part of the desorption pipe 61 and the solid-phase micro-extractor, the joint is made of inert materials, the adsorption pipe is sealed by high-temperature-resistant materials inside the joint, the solid-phase micro-extractor can be quickly plugged and pulled out, no tool is needed, and hands are not scalded. And opening a power switch of the desorption device of the solid phase micro-extractor. Set up desorption procedure on display screen 10, include: desorption temperature, desorption time and desorption times. The set desorption temperature, desorption time and desorption times are sent to the electric control device 11 through signal lines, and the electric control device 11 controls the actions of the air compressor 1, the cold air path electromagnetic valve 3, the hot air path electromagnetic valve 4, the heater 5, the cooling fan 8, the flowmeter 12 and the like to perform desorption of the solid phase micro-extractor. After the desorption procedure is finished, the heater 5 automatically stops heating, the cooling procedure is started, the cold air path electromagnetic valve 3 is started, the cooling waste gas in the desorption pipe 61 is discharged out of the cleaning bin 7 from the cooling waste gas outlet 9 on the shell 15 through the cooling waste gas pipeline 91 through the cooling air path pipeline 31, and when the temperature in the cleaning bin 7 displayed on the display screen 10 is reduced to the room temperature, the desorption procedure of the solid phase micro-extractor is finished.
In the removable solid phase micro-extractor detachment device, the solid phase micro-extractor insertion opening 6 can be provided with a polytetrafluoroethylene spacer, the diameter of the polytetrafluoroethylene spacer can be 10mm, the thickness of the polytetrafluoroethylene spacer can be 3mm, and the polytetrafluoroethylene spacer can be detached so as to enable the solid phase micro-extractor insertion opening 6 to be in sealing connection with the top of the detachment pipe 61 in the cleaning bin 7 and ensure the sealing performance of the cleaning bin 7. The solid phase micro-extractor insertion openings 6 can be multiple, 12 in one embodiment of the invention, as shown in fig. 1.
In the movable solid phase micro-extractor desorption device, a display screen for editing a desorption program is a color touch screen. Color touch screens are manufactured by Wilon, Inc. under the product designation MT6071IP (7 inches).
In the removable solid phase micro-extractor detachment device of the invention, the heating temperature of the heater 5 can maintain the temperature in the cleaning bin 7 at 50-200 ℃. The cleaning bin 7 is connected with the heater 5 and the cold air path electromagnetic valve 3 in a sealing way. The heater 5 adopts a PTC high-temperature heating sheet, the power is 150W, and the voltage is 220V.
In the removable solid phase micro-extractor detachment device, the flow meter 12 is hermetically connected with the hot gas path electromagnetic valve 4, the cold gas path electromagnetic valve 3 and the carrier gas inlet 13, the flow rate of the flow meter 12 is 50-500 ml/min, and the diameter of the carrier gas inlet 13 is 6 mm. Carrier gas air inlet 13 and gas holder 14 sealing connection, gas holder 14 and filtration system 2 sealing connection, the gas holder volume is 3L, filtration system 2 and air compressor machine 1 sealing connection, and the filling has gaseous pollutant purifying material in filtration system 2, and purifying material's particle size is 5 mm.
In the removable solid phase micro-extractor desorption device of the present invention, the electric control device 11 can use the electric control part switch to set the desorption time of the solid phase micro-extractor within the range of 1 to 120 min. The electric control device can use the electric control part switch to set the desorption times of the solid phase micro-extractor in the range of 1 to 20 times.
In the removable solid phase micro extractor detachment device of the invention, the cold gas circuit electromagnetic valve 3 and the hot gas circuit electromagnetic valve 4 are produced by Kammer (Kammer fluid technology (Shanghai) Co., Ltd.) and have the product model number DN 20; the filter used was manufactured by Suzhou Ronggao (Suzhou Ronggao purification engineering Co., Ltd.) with a product model number of H13; the flow meter used was manufactured by MKS (universal instruments in usa) with product model number GE50a 013102; the electric control device used is manufactured by Siemens (Siemens ag, Germany) and has a product model number of S7-200 SMART PLC.
The foregoing is merely exemplary and illustrative of the present invention, and modifications or additions may be made to the described embodiments by persons skilled in the art or in the alternative thereto without departing from the scope of the invention as defined by the appended claims.
Claims (1)
1. A movable desorption device of a solid phase micro-extractor is characterized by comprising a shell, a cleaning bin, an air compressor, a filter, an air storage tank, a heater, a cooling fan, a display screen and an electric control device; the cleaning bin and the heater are arranged in the shell, the heater is communicated with the cleaning bin, the top of the cleaning bin extends out of the shell, and the top of the cleaning bin is provided with a solid phase micro-extractor insertion hole; the air compressor, the filter and the air storage tank are sequentially communicated, the air storage tank is sequentially communicated with the flowmeter, the hot gas path electromagnetic valve and the heater through a carrier gas inlet on the shell, the heater is connected with desorption pipes in the cleaning bin and at the lower end of an insertion opening of the solid phase micro-extractor through a heating gas path pipeline, the air storage tank is sequentially connected with the flowmeter and the cold gas path electromagnetic valve through the carrier gas inlet on the shell, the cold gas path electromagnetic valve is communicated with desorption pipes in the cleaning bin and at the lower end of the insertion opening of the solid phase micro-extractor through a cooling gas path pipeline, and the cooling gas path pipeline is connected with a cooling waste gas outlet on the shell; the display screen and the electric control device are arranged on the shell of the shell; the display screen and the electric control device are connected with the air compressor, the cold air path electromagnetic valve, the hot air path electromagnetic valve, the heater, the cooling fan and the flow meter through signal lines; the cooling fan is arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108681.5A CN112245972A (en) | 2020-10-16 | 2020-10-16 | Movable desorption device of solid phase micro-extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108681.5A CN112245972A (en) | 2020-10-16 | 2020-10-16 | Movable desorption device of solid phase micro-extractor |
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| Publication Number | Publication Date |
|---|---|
| CN112245972A true CN112245972A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011108681.5A Pending CN112245972A (en) | 2020-10-16 | 2020-10-16 | Movable desorption device of solid phase micro-extractor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0483613A1 (en) * | 1990-10-29 | 1992-05-06 | Eberhard Gerstel | Method and apparatus for the qualitative and/or quantitative monitoring of liquid raw materials |
| CN1500540A (en) * | 2002-11-15 | 2004-06-02 | 中国科学院大连化学物理研究所 | Capillary solid phase microextraction device and extracting method |
| CN1628889A (en) * | 2003-12-18 | 2005-06-22 | 中国科学院大连化学物理研究所 | On-line solid phase micro-extraction method in capillary column and apparatus therefor |
| CN1647756A (en) * | 2005-01-26 | 2005-08-03 | 浙江大学 | Respiration detecting method and its device for diagnosing early lung cancer |
| CN104458999A (en) * | 2014-12-26 | 2015-03-25 | 力合科技（湖南）股份有限公司 | Automatic organism analyzer |
| CN107091767A (en) * | 2017-04-19 | 2017-08-25 | 青岛贞正分析仪器有限公司 | A kind of water pollutant SPME sampling thermal desorption method and device |
| KR101995207B1 (en) * | 2018-10-02 | 2019-10-17 | 주식회사 효림 | Multi-contaminated soil remediation system by in situ thermal desorption for high temperature heat injection and extraction and oxidation and washing of organic acid |
| CN213760597U (en) * | 2020-10-16 | 2021-07-23 | 清华大学 | Movable desorption device of solid phase micro-extractor |
-
2020
- 2020-10-16 CN CN202011108681.5A patent/CN112245972A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0483613A1 (en) * | 1990-10-29 | 1992-05-06 | Eberhard Gerstel | Method and apparatus for the qualitative and/or quantitative monitoring of liquid raw materials |
| CN1500540A (en) * | 2002-11-15 | 2004-06-02 | 中国科学院大连化学物理研究所 | Capillary solid phase microextraction device and extracting method |
| CN1628889A (en) * | 2003-12-18 | 2005-06-22 | 中国科学院大连化学物理研究所 | On-line solid phase micro-extraction method in capillary column and apparatus therefor |
| CN1647756A (en) * | 2005-01-26 | 2005-08-03 | 浙江大学 | Respiration detecting method and its device for diagnosing early lung cancer |
| CN104458999A (en) * | 2014-12-26 | 2015-03-25 | 力合科技（湖南）股份有限公司 | Automatic organism analyzer |
| CN107091767A (en) * | 2017-04-19 | 2017-08-25 | 青岛贞正分析仪器有限公司 | A kind of water pollutant SPME sampling thermal desorption method and device |
| KR101995207B1 (en) * | 2018-10-02 | 2019-10-17 | 주식회사 효림 | Multi-contaminated soil remediation system by in situ thermal desorption for high temperature heat injection and extraction and oxidation and washing of organic acid |
| CN213760597U (en) * | 2020-10-16 | 2021-07-23 | 清华大学 | Movable desorption device of solid phase micro-extractor |
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