CN110208039A - A kind of sampler, quickly heating sampling system and rapid detection method - Google Patents
A kind of sampler, quickly heating sampling system and rapid detection method Download PDFInfo
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- CN110208039A CN110208039A CN201910569258.6A CN201910569258A CN110208039A CN 110208039 A CN110208039 A CN 110208039A CN 201910569258 A CN201910569258 A CN 201910569258A CN 110208039 A CN110208039 A CN 110208039A
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- sampler
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- generation device
- sampling head
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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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
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas
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Abstract
Present disclose provides a kind of samplers, quickly heating sampling system and rapid detection method, quickly heating sampling system includes sampler, charge generation device, mass analyzer, charge generation device is electrically connected to a power source, one end of charge generation device opens up the entrance for receptive liquid, the other end of charge generation device is equipped with the outlet for spraying electrically charged solvent droplets, the outlet of charge generation device is horn-like structure, it is directed toward the entrance of mass analyzer in the outlet of charge generation device, the sampling head direction of sampler intersects with the line between the outlet of charge generation device and the entrance of mass analyzer.Sampler includes sampling head and electrically heated rod, and sampling head is club shaped structure, and one end of sampling head is sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head is connecting pin, and one end of connecting pin and electrically heated rod is detachably connected to.The disclosure can simplify mass spectrometer system, improve the generation rate of electrically charged analyte ions.
Description
Technical field
The disclosure belongs to Mass Spectrometer Method analysis technical field, the free device of thermal desorption being related in mass spectrograph, and in particular to
A kind of sampler, quickly heating sampling system and rapid detection method.
Background technique
Here statement only provides background information related with the disclosure, without necessarily constituting the prior art.
Mass spectral analysis is a kind of analysis method for measuring ion mass-to-charge ratio (mass-charge ratio), the basic principle is that making to try
Each component ionizes in an ion source in sample, generates the electrically charged ion of different charge-mass ratios, the effect of accelerated electric field, shape
At ion beam, into mass analyzer.In the mass analyser, electric and magnetic fields are recycled to make that opposite velocity dispersion occurs,
They are focused respectively and obtains mass spectrogram, so that it is determined that its quality.
Mass spectrograph is using free device, mass analyzer and ion detector as core.Its detection process are as follows: test sample quilt
Free device ionization, obtains electrically charged analyte ions, and mass analyzer is according to the different charge-mass ratios of different analyte ions
(m/z) it distinguishes, final ion detector is handled through computer and drawn according to each signal of the analyte ions of different charge-mass ratios
Mass spectrogram is made.
Understanding according to the disclosed invention people, existing free device includes that charge generates unit, sampling unit, heating unit,
Such as application No. is Chinese patent of CN201210172420.9 etc., sample to be tested is carried out what ionization dissociated by this free device
Process are as follows: sample to be tested is first obtained using sampling unit, recycles sampling unit to be placed into inside heating unit, makes sample to be tested
Thermal desorption generates unit subsequently into charge, generates in conjunction with sample to be tested so that charge generates the electrification solvent that unit generates
Electrically charged analyte ions.However, by the disclosed invention people the study found that this free device, which exists, increases mass spectrum system
Unite the complexity of structure, generation electrically charged analyte ions rate it is slower the problems such as.
Summary of the invention
In order to solve the deficiencies in the prior art, purpose of this disclosure is to provide a kind of sampler, sampling system is quickly heated
And rapid detection method, mass spectrometer system can be simplified, improve the generation rate of electrically charged analyte ions.
To achieve the goals above, the technical solution of the disclosure are as follows:
In a first aspect, a kind of sampler, including sampling head and electrically heated rod, the sampling head is club shaped structure, described to take
One end of sample head is sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head is connecting pin, connecting pin and electrically heated rod
One end is detachably connected to.
Firstly, heating rod is integrated on sampler in the disclosure so that sampler has heat effect, can directly by
Sample to be tested thermal desorption on sampler simplifies mass spectrometer system structure so that the heating unit of free device be omitted.
Secondly, heating rod and sampling head are directly connected to, so that heating rod is by way of heat transfer directly to sampling head
On sample to be tested heated, and traditional heating unit is separated with sampling unit, and carrying out heat transfer type is heat radiation, heat
The heat transfer efficiency of conduction is higher than the heat transfer efficiency of heat radiation, not only can be reduced heat transfer time, but also can be reduced the loss of heat transfer, reduces function
Consumption.
Third, the sampling end of disclosure sampling head are set as that semicircle is spherical, can make sample more evenly be attached to sampling
The sampling end of head advantageously reduces the thermal desorption time so that the sample for being attached to sampling end be made to be heated evenly.
4th, sampling head is metal material, after detection, it usually needs is cleaned to sampler, cleaning side
Formula is generally calcined, if directly calcining sampler, solution generates damage to electrically heated rod.Disclosure sampling head and heating
Stick removably connects, and can facilitate the cleaning of sampling head, and can continuously be detected by replacing sampling head to sample.
On the other hand, a kind of quickly heating sampling system, including above-mentioned sampler, charge generation device, mass analyzer,
The charge generation device is electrically connected to a power source, and one end of the charge generation device is opened up for receptive liquid
Entrance, the other end of the charge generation device are equipped with the outlet for spraying electrically charged solvent droplets, charge generation device
Outlet be horn-like structure, the entrance of mass analyzer is directed toward in the outlet of charge generation device, and the sampling head of sampler is directed toward
Line between the outlet of charge generation device and the entrance of mass analyzer intersects.
The third aspect, a kind of rapid detection method provide above-mentioned quick heating sampling system, using the sampling head of sampler
It is placed on sample to be tested, sampling head and sample to be tested is subjected to relative motion, so that part sample to be tested is attached to sampling head
Sampling end, by sampler be inserted into quickly heating sampling system in, make sampler sampling head be directed toward with charge generation device
Outlet and mass analyzer entrance between line intersection, to charge generation device be powered, make charge generation device spray
Electrically charged solvent droplets, at the same to the electrically heated rod of sampler be powered, the sample to be tested of sampling head is desorbed, and with it is electrically charged
Solvent droplets combine and generate electrically charged analyte ions, detected into mass analyzer.
The disclosure has the beneficial effect that
1. heating rod is directly integrated on sampler by the disclosure, not only simplifies and prepare mass spectrometer system structure, Er Qiezeng
Add the heat transfer efficiency to sample to be tested, reduces energy consumption.
2. the sampling head of disclosure setting, which not only improves, reduces the thermal desorption time, and be conducive to the cleaning of sampling head and right
Sample is continuously detected.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the structural schematic diagram of the quick heating sampling system of the embodiment of the present disclosure 1；
Fig. 2 is the structural schematic diagram of the sampler of the embodiment of the present disclosure 1；
Fig. 3 is the structural schematic diagram of the quick heating sampling system of the embodiment of the present disclosure 2；
Fig. 4 is the structural schematic diagram of the sampler of the embodiment of the present disclosure 2；
Fig. 5 is the structural schematic diagram for being telescopically connected to part of the embodiment of the present disclosure 2；
Wherein, 1, sampler, 2, charge generation device, 3, mass analyzer, 4, handle, 5, sampling head, 6, ceramic electrical adds
Hot core, 7, multicore cable interface, 8, insulating tube, 9, micro air pump, 10, display screen, 11, sealing cover, 12, handle, 13, first passes
Driving wheel, 14, first connecting rod, the 15, second driving wheel, the 16, second connecting rod, 17, reset spring.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The rate that there are structures is complex in view of existing free device, generates electrically charged analyte ions is slower etc. no
Foot the present disclosure proposes a kind of sampler, quickly heats sampling system and quickly detection side to solve technical problem as above
Method.
A kind of exemplary embodiment of the disclosure provides a kind of sampler, including sampling head and electrically heated rod, described to take
Sample head is club shaped structure, and one end of the sampling head is sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head is connection
One end of end, connecting pin and electrically heated rod is detachably connected to.
Firstly, heating rod is integrated on sampler in the disclosure so that sampler has heat effect, can directly by
Sample to be tested thermal desorption on sampler simplifies mass spectrometer system structure so that the heating unit of free device be omitted.
Secondly, heating rod and sampling head are directly connected to, so that heating rod is by way of heat transfer directly to sampling head
On sample to be tested heated, and traditional heating unit is separated with sampling unit, and carrying out heat transfer type is heat radiation, heat
The heat transfer efficiency of conduction is higher than the heat transfer efficiency of heat radiation, not only can be reduced heat transfer time, but also can be reduced the loss of heat transfer, reduces function
Consumption.
Third, the sampling end of disclosure sampling head are set as that semicircle is spherical, can make sample more evenly be attached to sampling
The sampling end of head advantageously reduces the thermal desorption time so that the sample for being attached to sampling end be made to be heated evenly.
4th, sampling head is metal material, after detection, it usually needs is cleaned to sampler, cleaning side
Formula is generally calcined, if directly calcining sampler, solution generates damage to electrically heated rod.Disclosure sampling head and heating
Stick removably connects, and can facilitate the cleaning of sampling head, and can continuously be detected by replacing sampling head to sample.
In one or more embodiments of the embodiment, the radial section diameter of the sampling head and the diameter of electrically heated rod
It is equal to diameter of section.Further increase heat transfer efficiency.
The connection type removably connected include be threadedly coupled, snap connection and tongue and groove connection etc..
In one or more embodiments of the embodiment, including holding assembly, the holding assembly are column structure, electricity
The other end of heating rod and one end of holding assembly connect, and the radial direction that the radial section diameter of holding assembly is greater than electrically heated rod is cut
Face diameter.Can facilitate hold the sampler, and can holding assembly be attached with mass spectrometer system, to avoid electric heating
Stick heats mass spectrometer system.
In the series embodiment, including insulating tube, the insulating tube are hollow tubular structure, the internal diameter of the insulating tube
Greater than the outer diameter of sampling head, the internal diameter of the insulating tube is greater than the outer diameter of electrically heated rod, and the sampling head and electrically heated rod are all provided with
It sets in insulating tube, one end of insulating tube and one end of holding assembly connect, and are equipped in holding assembly and are telescopically connected to part, electric heating
The other end of stick is connect with part is telescopically connected to.Electric heating element is kept the temperature, energy consumption can be further decreased.
In the series embodiment, the part that is telescopically connected to includes the first driving wheel and first connecting rod, first connection
One end of bar and the other end of electrically heated rod are hinged, and the other end of first connecting rod and the edge of the first driving wheel are hinged.Pass through
It rotates the first driving wheel and drives electrically heated rod to stretch in insulating tube by first connecting rod.
In the series embodiment, the part that is telescopically connected to includes the second driving wheel and the second connecting rod, the holding assembly
Equipped with handle, one end of the handle is hinged on holding assembly by reset spring, one end of second connecting rod and hand
Handle is hinged, and the edge of the other end and the second driving wheel of second connecting rod is hinged, the first driving wheel and the second driving wheel into
The connection of row gear.The second connecting rod is set to drive the rotation of the second driving wheel by pressing handle, then the second driving wheel drives first
Driving wheel rotation facilitates and realizes that sampling head and electrically heated rod are flexible in insulating tube.
In the series embodiment, the other end of insulating tube is equipped with dismountable sealing cover.
In the series embodiment, micro air pump is equipped in the holding assembly, the gas outlet of the micro air pump is to certainly
Wen Guan.Can into insulating tube delivery of carrier gas, the sample to be tested of thermal desorption is delivered to the outlet of charge generation device.
In the series embodiment, the other end of the holding assembly opens up air inlet, the air inlet of the holding assembly with
The air inlet of micro air pump is connected to.
In the series embodiment, the other end of the holding assembly is equipped with multicore cable interface, the multicore cable interface
It is electrically connected with electrically heated rod.Facilitate the carrying of the sampler.
In the series embodiment, the holding assembly is equipped with display screen, and the electrically heated rod is equipped with temperature sensor, described
Temperature signal is transmitted to display screen by temperature sensor.
The another embodiment of the disclosure provides a kind of quickly heating sampling system, including above-mentioned sampler, charge
Generation device, mass analyzer,
The charge generation device is electrically connected to a power source, and one end of the charge generation device is opened up for receptive liquid
Entrance, the other end of the charge generation device are equipped with the outlet for spraying electrically charged solvent droplets, charge generation device
Outlet be horn-like structure, the entrance of mass analyzer is directed toward in the outlet of charge generation device, and the sampling head of sampler is directed toward
Line between the outlet of charge generation device and the entrance of mass analyzer intersects.
Embodiment there is provided a kind of rapid detection methods in the third of the disclosure, provide above-mentioned quick heating sample introduction system
System, is placed on sample to be tested using the sampling head of sampler, sampling head and sample to be tested is carried out relative motion, so that part
Sample to be tested is attached to the sampling end of sampling head, and sampler is inserted into quickly heating sampling system, the sampling of sampler is made
Head is directed toward to intersect with the line between the outlet of charge generation device and the entrance of mass analyzer, logical to charge generation device
Electricity makes charge generation device spray electrically charged solvent droplets, while being powered to the electrically heated rod of sampler, make sampling head to
Sample desorption, and electrically charged analyte ions are generated in conjunction with electrically charged solvent droplets, it is detected into mass analyzer.
In order to enable those skilled in the art can clearly understand the technical solution of the disclosure, below with reference to tool
The technical solution of the disclosure is described in detail in the embodiment of body.
Embodiment 1
A kind of quickly heating sampling system, as shown in Figure 1, including sampler 1, charge generation device 2, mass analyzer 3.
Sampler, as shown in Fig. 2, including handle 4, sampling head 5 and ceramic electric heating core 6.Sampling head 5 is club shaped structure,
One end of sampling head 5 is sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head 5 is connecting pin, ceramic electric heating core 6
For club shaped structure, connecting pin and one end of ceramic electric heating core 6 are detachably connected to.The outer diameter and ceramic electrical of sampling head 5
The outer diameter of heating core 6 is equal.Handle 4 is column structure.The other end of ceramic electric heating core 6 is connect with one end of handle 4.Handle
4 other end is equipped with multicore cable interface 7, and multicore cable interface 7 is electrically connected with ceramic electric heating core 6.Ceramic electric heating
Temperature sensor is equipped in core 6, temperature sensor is electrically connected with multicore cable interface 7.
Charge generation device 2 and the quickly power electric connection of heating sampling system, one end of charge generation device 2 opens up use
In the entrance of receptive liquid, the other end of charge generation device 2 is equipped with the outlet for spraying electrically charged solvent droplets, charge
The outlet of generation device 2 is horn-like structure, and the entrance of mass analyzer is directed toward in the outlet of charge generation device, and charge generates dress
The side wall for setting 2 outlet, which is equipped with, enters through-hole for sampling head 5.
The detection method of sampling system is quickly heated using the embodiment are as follows:
The sampling head of sampler is placed on sample to be tested, rotation or mobile sampler are attached to sample to be tested and take
Sampler is inserted into quickly heating sampling system, sampling head is made to be inserted into going out for charge generation device by the sampling end of sample head
In the through-hole of mouth, it is powered to charge generation device, so that charge generation device is sprayed electrically charged solvent droplets, while to sampler
Electrically heated rod be powered, the sample to be tested of sampling head be desorbed, and generation is electrically charged divides with electrically charged solvent droplets ining conjunction with
Object ion is analysed, is detected into mass analyzer.
The sampler of the present embodiment is without adding carrier gas.
Embodiment 2
A kind of quickly heating sampling system, as shown in figure 3, including sampler 1, charge generation device 2, mass analyzer 3.
Sampler, as shown in figure 4, including handle 4, sampling head 5, insulating tube 8 and ceramic electric heating core 6.Sampling head 5 is stick
Shape structure, one end of sampling head 5 are sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head 5 is connecting pin, ceramic electrical
Heating core 6 is club shaped structure, and connecting pin and one end of ceramic electric heating core 6 are detachably connected to.The outer diameter of sampling head 5 and
The outer diameter of ceramic electric heating core 6 is equal.Insulating tube 8 is hollow tubular structure, and the internal diameter of insulating tube 8 is greater than the outer of sampling head 5
The outer diameter of diameter and ceramic electric heating core 6, sampling head 5 and ceramic electric heating core 6 are arranged in insulating tube 8.Handle 4 is column knot
Structure.One end of insulating tube 8 is connect with one end of handle 4, is equipped in handle 4 and is telescopically connected to part, the other end of ceramic electric heating core 6
It is connect with part is telescopically connected to.Handle 4 is equipped with control and is telescopically connected to the flexible handle 12 of part.The other end of insulating tube 8 is equipped with removable
The sealing cover 11 unloaded.
It is telescopically connected to part, as shown in figure 5, including the first driving wheel 13, first connecting rod 14, the second driving wheel 15 and second
Connecting rod 16, one end of first connecting rod 14 and the other end of ceramic electric heating core 6 are hinged, the other end of first connecting rod 14 with
The edge of first driving wheel 13 is hinged.One end of handle 12 is hinged on handle 4 by reset spring 17, the second connecting rod 16
One end and handle 12 are hinged, and the other end of the second connecting rod 16 and the edge of the second driving wheel 15 are hinged, the first driving wheel 13 and
Second driving wheel 15 carries out gear connection.
The hollow cavity of gas outlet alignment insulating tube 8 in handle 4 equipped with micro air pump 9.The other end of handle 4 opens up air inlet
Mouth and multicore cable interface 7.The air inlet of handle 4 is connected to the air inlet of micro air pump 9.Multicore cable interface 7 and ceramic electrical
Heating core 6 is electrically connected.Temperature sensor is equipped in ceramic electric heating core 6, handle 4 is equipped with display screen 10, temperature sensor
It is electrically connected with multicore cable interface 7.Meanwhile temperature signal is transmitted to display screen 10 by temperature sensor.
Charge generation device 2 and the quickly power electric connection of heating sampling system, one end of charge generation device 2 opens up use
In the entrance of receptive liquid, the other end of charge generation device 2 is equipped with the outlet for spraying electrically charged solvent droplets, charge
The outlet of generation device 2 is horn-like structure, and the entrance of mass analyzer is directed toward in the outlet of charge generation device.Handle 4 is equipped with
Control the switch of ceramic electric heating core 6.Handle 4 is equipped with the switch of control micro air pump 9.
The detection method of sampling system is quickly heated using the embodiment are as follows:
The sampling head of sampler is placed on sample to be tested, rotation or mobile sampler are attached to sample to be tested and take
The sampling end of sample head, by sampler be inserted into quickly heating sampling system in, make sampling head be directed toward with charge generation device go out
Line intersection between mouth and the entrance of mass analyzer, is powered to charge generation device, makes the sprinkling electrification of charge generation device
Solvent droplets of lotus, while being powered to the electrically heated rod of sampler, are desorbed the sample to be tested of sampling head, and with it is electrically charged molten
Agent drop, which combines, generates electrically charged analyte ions, detects into mass analyzer.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of sampler, characterized in that including sampling head and electrically heated rod, the sampling head is club shaped structure, the sampling
One end of head is sampling end, and sampling end is that semicircle is spherical, and the other end of sampling head is connecting pin, the one of connecting pin and electrically heated rod
End is detachably connected to.
2. sampler as described in claim 1, characterized in that the radial section diameter of the sampling head and the diameter of electrically heated rod
It is equal to diameter of section.
3. sampler as described in claim 1, characterized in that including holding assembly, the holding assembly is column structure, electricity
The other end of heating rod and one end of holding assembly connect, and the radial direction that the radial section diameter of holding assembly is greater than electrically heated rod is cut
Face diameter.
4. sampler as claimed in claim 3, characterized in that including insulating tube, the insulating tube is hollow tubular structure,
The internal diameter of the insulating tube is greater than the outer diameter of sampling head, and the internal diameter of the insulating tube is greater than the outer diameter of electrically heated rod, the sampling
Head and electrically heated rod are arranged in insulating tube, and one end of insulating tube and one end of holding assembly connect, and are equipped in holding assembly
It is telescopically connected to part, the other end of electrically heated rod is connect with part is telescopically connected to.
5. sampler as claimed in claim 4, characterized in that the part that is telescopically connected to includes the first driving wheel and the first connection
Bar, one end of the first connecting rod and the other end of electrically heated rod are hinged, the other end of first connecting rod and the first driving wheel
Edge it is hinged；
Preferably, the part that is telescopically connected to includes the second driving wheel and the second connecting rod, and the holding assembly is equipped with handle, described
One end of handle is hinged on holding assembly by reset spring, and one end of second connecting rod and handle are hinged, and described
The other end of two connecting rods and the edge of the second driving wheel are hinged, and the first driving wheel and the second driving wheel carry out gear connection.
6. sampler as claimed in claim 4, characterized in that the other end of insulating tube is equipped with dismountable sealing cover.
7. sampler as claimed in claim 4, characterized in that be equipped with micro air pump, the miniature gas in the holding assembly
The gas outlet of pump is directed at insulating tube；
Preferably, the other end of the holding assembly opens up air inlet, the air inlet of the holding assembly and micro air pump into
Port connection.
8. sampler as claimed in claim 3, characterized in that the other end of the holding assembly is equipped with multicore cable interface,
The multicore cable interface is electrically connected with electrically heated rod；
Or, the holding assembly is equipped with display screen, the electrically heated rod is equipped with temperature sensor, and the temperature sensor is by temperature
Signal is transmitted to display screen.
9. a kind of quickly heating sampling system, characterized in that generated including any sampler of claim 1~8, charge
Device, mass analyzer,
The charge generation device is electrically connected to a power source, and one end of the charge generation device opens up entering for receptive liquid
Mouthful, the other end of the charge generation device is equipped with the outlet for spraying electrically charged solvent droplets, charge generation device
Outlet is horn-like structure, and the entrance of mass analyzer is directed toward in the outlet of charge generation device, the sampling head of sampler be directed toward with
Line intersection between the outlet of charge generation device and the entrance of mass analyzer.
10. a kind of rapid detection method, characterized in that quick heating sampling system as claimed in claim 9 is provided, using sampling
The sampling head of device is placed on sample to be tested, sampling head and sample to be tested is carried out relative motion, so that part sample to be tested is attached
Sampling head sampling end, by sampler be inserted into quickly heating sampling system in, make sampler sampling head be directed toward with electricity
Line intersection between the outlet of lotus generation device and the entrance of mass analyzer, is powered to charge generation device, produces charge
Generating apparatus sprays electrically charged solvent droplets, while being powered to the electrically heated rod of sampler, and the sample to be tested of sampling head is desorbed,
And electrically charged analyte ions are generated in conjunction with electrically charged solvent droplets, it is detected into mass analyzer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022041539A1 (en) * | 2020-08-28 | 2022-03-03 | 广州禾信仪器股份有限公司 | Liquid drop sample detection system, heating device, and heating assembly |
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| CN201262584Y (en) * | 2008-09-26 | 2009-06-24 | 合肥皖仪科技有限公司 | Rapid gun-sucking device |
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| CN102969217A (en) * | 2011-08-31 | 2013-03-13 | 谢建台 | Thermal desorption ionization device, mass spectrometry system and mass spectrometry method |
| CN104133388A (en) * | 2014-07-04 | 2014-11-05 | 北京航空航天大学 | Multifunctional-sampler control device and control method thereof |
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| CN208254892U (en) * | 2018-06-06 | 2018-12-18 | 青岛海纳光电环保有限公司 | Integral type dust sampling instrument |
| CN109632454A (en) * | 2018-11-23 | 2019-04-16 | 黑龙江大学 | A kind of rapid evaporation electric spray ion source and analysis method |
| CN109884115A (en) * | 2019-03-15 | 2019-06-14 | 东南大学 | The measuring method of soil body horizontal thermal conductivity factor in situ |
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| WO2022041539A1 (en) * | 2020-08-28 | 2022-03-03 | 广州禾信仪器股份有限公司 | Liquid drop sample detection system, heating device, and heating assembly |
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