CN206349332U - Transference tube - Google Patents
Transference tube Download PDFInfo
- Publication number
- CN206349332U CN206349332U CN201621476775.7U CN201621476775U CN206349332U CN 206349332 U CN206349332 U CN 206349332U CN 201621476775 U CN201621476775 U CN 201621476775U CN 206349332 U CN206349332 U CN 206349332U
- Authority
- CN
- China
- Prior art keywords
- absolute value
- current potential
- ion gate
- migration
- ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005012 migration Effects 0.000 claims abstract description 114
- 238000013508 migration Methods 0.000 claims abstract description 114
- 230000005684 electric field Effects 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 238000011017 operating method Methods 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 description 152
- 238000001871 ion mobility spectroscopy Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005036 potential barrier Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009791 electrochemical migration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002575 chemical warfare agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a kind of transference tube and its operating method.Transference tube includes the ion gate in inner space and internally positioned space；Inner space includes ionized region and migration area with current potential absolute value V1.The ion gate set between ionized region and migration area includes the first ion gate grid with current potential absolute value V2 and the second ion gate grid with current potential absolute value V3.Migration area at least includes the first migration region electrode with current potential absolute value V4 and the second migration region electrode with current potential absolute value V5.When the ion gate is opened, form the potential well of ion between the first ion gate grid and the first migration region electrode to compress the cluster ion for entering migration area.
Description
Technical field
The present invention relates to transference tube technical field, more particularly to transference tube.
Background technology
Ion mobility spectrometry (IMS) turns into based on live trace detection technology more ripe on molecular level.Ion transfer
Core component in spectrometer is transference tube.In migration tube, sample molecule is taken by force in the presence of ionization source by proton
Take, the metastable product ion of the generation such as electron attachment, electron exchange can produce corresponding product ion.Product ion leads to
The control for crossing ion gate is migrated into migration area in batch within the intimate same time.These product ions are in air pressure ring
In the steady electric field in border, they macroscopically will appear as because of the acceleration by electric field and the collision deceleration of neutral fluxes qi leel
Obtain a constant average speed.Because different product ions its charge-mass ratio, geometric configuration are different with collision cross-section, because
And obtain average speed it is also different, so by one section of electric field after they be just separated, successively reach detector so that
Complete to be detected.
Have the advantages that sensitivity is high, analyze speed is fast, price is low due to ionic migration spectrometer, it is simple in construction, portable etc.
And it is widely used in the fields such as explosive detection, drugs examination and chemical warfare agent early warning.But, resolution capability is relatively low always
It is to perplex one of bottleneck of ion mobility spectrometry application and development.
The content of the invention
According to an aspect of the present invention there is provided a kind of transference tube, including inner space and internally positioned space
The ion gate opened and closed；Inner space includes ionized region and migration area with current potential absolute value V1, and material is by electricity
Enter transference tube from area one end, be ionized in ionized region, driven by electric field enter migration area afterwards；
Wherein, the ion gate set between ionized region and migration area includes the first ion gate grid with current potential absolute value V2
With the second ion gate grid with current potential absolute value V3, the first ion gate grid and the second ion gate grid are parallel to each other, by insulation
Piece is spaced apart and transference tube is divided into the ionized region and migration area；Migration area at least includes having current potential absolute value V4
First migration region electrode and with current potential absolute value V5 second migration region electrode, second migration region electrode than the first migration area
Electrode is away from the second ion gate grid；
Wherein, when the ion gate is opened, the first ion gate grid and first migration region electrode between formed by from
The potential well of the ion of change is so as to the cluster ion compression to entering migration area.
In one embodiment, when the ion gate is opened, the current potential absolute value V2 ＞ first of the first ion gate grid
The current potential that current potential absolute value V3 >=second of current potential absolute value V4 ＞ the second ion gate grid of migration region electrode migrates region electrode is exhausted
To value V5.
In one embodiment, when the ion gate is opened, keep the first ion gate grid current potential absolute value V2 and
The current potential absolute value V1 of ionized region is constant, and the second ion gate grid are applied with reverse pulse potential so that the second ion gate grid electricity
Position absolute value V2 reduces a pulse potential absolute value.
In one embodiment, when the ion gate is opened, migration area include first migration region electrode and second
The current potential absolute value for migrating the electrode of region electrode keeps identical in the case of being closed with the ion gate.
In one embodiment, in the case where the ion gate is remained turned-off, transference tube is arranged so that ionization
The current potential absolute value V2 ＞ of current potential absolute value V3 ＞ the first ion gate grid of the ion gate grid of the current potential absolute value V1 in area >=second
The current potential absolute value V4 ＞ second of one migration region electrode migrate the current potential absolute value V5 of region electrode.
In one embodiment, in the case where the ion gate is remained turned-off, the current potential absolute value of the second ion gate grid
V3 is higher 7~30 volts than the current potential absolute value V2 of the first ion gate grid, and the current potential absolute value V3 and electricity of the second ion gate grid
Difference from the current potential absolute value V1 in area is not higher than 50 volts.
Brief description of the drawings
Fig. 1 is the schematic diagram of the transference tube of one embodiment of the invention；
Fig. 2 is use Simion softwares to legacy migration pipe institute established model figure；
Fig. 3 is runs 10000 example institutes to being built migration tube model using Simion softwares under normal working practices
The ion mobility spectrometry of acquisition；
Fig. 4 is transports using Simion softwares to being built migration tube model under mode of operation according to an embodiment of the invention
The ion mobility spectrometry that 10000 examples of row are obtained.
Embodiment
Although the present invention allows various modifications and interchangeable form, the side that its specific embodiment passes through example
Formula is shown in the drawings, and will be described herein in detail.It should be appreciated, however, that the accompanying drawing enclosed and detailed description
Disclosed concrete form is not to limit the invention to, but on the contrary, is to be fallen into cover by appended claims
All modifications, equivalents and alternative forms in the spirit and scope of the present invention of restriction.Accompanying drawing is in order to illustrate, thus
Draw not to scale.
Conventional transference tube is mainly made up of ionized region 11, migration area 30 and the part of detector three, such as Fig. 1.Wherein,
Ionized region 11 is separated with migration area 30 using ion gate.Migration area 30 and detector are then separated using ion gate.Ion gate is usual
It is spaced apart using two or perhaps door grid in close proximity is formed, and is separated between two door grid by insulating trip.Door grid
It can be between the door grid of filament formation, two door grid plus insulating trip.
In Fig. 1, Vi is ionization area voltage, and Vg1 is the voltage of first gate electrode, and Vg2 is second ion gate grid electricity
The voltage of pole, while the voltage of second ion gate gate electrode is that (i.e. migration area 30 is most for the starting terminal voltage of migration area 30 again
High voltage), while each electrode voltage on migration area 30 is obtained by electric resistance partial pressure, body shell and collection extremely zero potential.
In the case that ion gate is closed, the absolute value of each electrode voltage is respectively | Vi |=V1, | Vg1 |=V2, | Vg2 |=V3, | Vd1 |
=V4, | Vd2 | its height relation of=V5 is as follows：V1 ＞ V3 ＞ V2 ＞ V4 ＞ V5, wherein V4 is with V5 pressure differences in 75V or so.Obviously
When ion gate is closed, there is an electric field opposite with the direction of an electric field of migration area 30 between two ion gate gate electrodes, ion can not
Pass through.
In conventional transference tube, the moment opened in ion gate, Vg1 will be applied in one with original polarity of voltage
Identical pulse, amplitude is Δ V, now：(V2+ Δ V) ＞ V3 ＞ V4 ＞ V5.Moment, two ion gate grid are opened in ion gate
Interelectrode reversed electric field is repaired, and ion is allowed through.
Under the mode of operation of conventional transference tube, the cluster ion of migration area 30 is entered in ion gate opening time
The difference of the location of each ion and current potential is so as to obtain the flight that different flying speeds are caused during due to original state
Time is different, spectral peak halfwidth broadening is most caused at last, so as to reduce ionic migration spectrometer resolution ratio.
In an embodiment according to the present invention there is provided a kind of transference tube, including inner space and internally positioned sky
Between the ion gate opened and closed；Inner space includes ionized region 11 and migration area 30 with current potential absolute value V1, thing
Matter enters transference tube by the one end of ionized region 11, is ionized in ionized region 11, is driven afterwards by electric field into migration area 30.Electricity
There are current potential absolute value V2 the first ion gate grid and absolute with current potential from the ion gate set between area 11 and migration area 30
Value V3 the second ion gate grid, the first ion gate grid and the second ion gate grid are parallel to each other, be spaced apart by insulating trip and will be from
Sub- migration tube is divided into the ionized region 11 and migration area 30；Migration area 30 at least includes having the first of current potential absolute value V4 to move
Move region electrode 31 and the second migration region electrode 32 with current potential absolute value V5, the second migration region electrode 32 to the first migration area electricity
Pole 31 is away from the second ion gate grid.According to the present embodiment, when the ion gate is opened, moved in the first ion gate grid and first
The potential well for the ion being ionized is formed between the shifting electrode of area 30 to compress the cluster ion for entering migration area 30.
In the present embodiment, when the ion gate is opened, the current potential absolute value V2 ＞ first of the first ion gate grid are moved
Current potential absolute value V3 >=second for moving current potential absolute value V4 ＞ the second ion gate grid of region electrode 31 migrates the current potential of region electrode 32
Absolute value V5, i.e. V2 ＞ V4 ＞ V3 >=V5.Wherein, the reverse electricity between the voltage V3 of second grid and the voltage V2 of first grid
Voltage amplitude 7V~30V of field, and second grid differs not higher than 50V with the current potential of ionized region 11.
Thus, it is possible to ensure can there are enough ions to enter migration area 30 when ion gate is opened, to ensure mobility spectrometer
Sensitivity；On the other hand, it can also be ensured that revealed at closing time without ion.Also, ion gate will be in the second ion when opening
Potential barrier is formed between door and the second migration electrode, the ion into migration area 30 that takes the lead in will be slowed down to realize to cluster ion by potential barrier
Compression, ion gate close after migration electric field recover again to cluster ion accelerate.
Embodiments in accordance with the present invention, in the limited opening time of the ion gate, initial position is close to ion gate
The cluster ion of second grid (forward) takes the lead in entering migration area, and cluster ion will be by ion door system (i.e. first grid and second
Door grid) deceleration that taken the lead in the potential well formed between region electrode (the first and second migration region electrodes) is migrated preceding two-stage, and it is initial
Enter migration area after the cluster ion of position rearward, and to enter migration area cluster ion compared with taking the lead in short or do not subtract deceleration time in potential well
Speed, so as to realize the compression to entering the total cluster ion in migration area, and then improves the resolution ratio of migration tube.
According to the present embodiment, when the ion gate is opened, the current potential absolute value V2 of the first ion gate grid can be kept
Current potential absolute value V1 with ionized region 11 is constant, the second ion gate grid is applied with reverse pulse potential so that the second ion gate
Grid current potential absolute value V2 reduces a pulse potential absolute value.That is, the first ion fence gate Vg1 jump will be applied in the prior art
Dynamic voltage is applied to the second ion fence gate Vg2, and voltage pulse is reversely, at the same maintain the first ion fence gate voltage Vg1=V2 and
Ionization area voltage Vi=V1.
According to the present embodiment, in transference tube, in the case where the ion gate is remained turned-off, transference tube is set
It is set to the electricity of current potential absolute value V3 ＞ the first ion gate grid for the ion gate grid of current potential absolute value V1 >=second for causing ionized region 11
Position absolute value V2 ＞ first migrate the current potential absolute value V5 of the migration region electrodes 32 of current potential absolute value V4 ＞ second of region electrode 31,
That is, V1 >=V3 ＞ V2 ＞ V4 ＞ V5.According to the present embodiment, when the ion gate is opened, including the first migration region electrode 31
Keep identical in the case of being closed with the ion gate with current potential absolute value V4, V5 of the electrode of the second migration region electrode 32.Migration
The current potential absolute value of other electrodes in area 30 can keep identical in the case of being closed with the ion gate.Specifically, in a reality
Apply in example, in transference tube, in the case where the ion gate is remained turned-off, the current potential absolute value V3 ratios of the second ion gate grid
The current potential absolute value V2 of first ion gate grid is high 7~30 volts, and the current potential absolute value V3 and ionized region of the second ion gate grid
11 current potential absolute value V1 difference is not higher than 50 volts.
Transference tube according to embodiments of the present invention is moved compared to the transference tube of conventional structure of the prior art
5~10% or so can be improved by moving the resolution ratio of pipe.
Embodiments of the invention also provide it is a kind of operate transference tube method, wherein transference tube inner space with
And the ion gate opened and closed in internally positioned space；Inner space includes the He of ionized region 11 with current potential absolute value V1
Migration area 30, material enters transference tube by the one end of ionized region 11, is ionized in ionized region 11, drives entrance by electric field afterwards
Migration area 30；Wherein, the ion gate set between ionized region 11 and migration area 30 has current potential absolute value V2 the first ion gate
Grid and the second ion gate grid with current potential absolute value V3, the first ion gate grid and the second ion gate grid are parallel to each other, by exhausted
Embolium is spaced apart and transference tube is divided into the ionized region 11 and migration area 30；Migration area 30 at least includes having current potential
Absolute value V4 the first migration region electrode 31 and the second migration region electrode 32 with current potential absolute value V5, the second migration region electrode
32 to the first migration region electrodes 31 are away from the second ion gate grid；Wherein, methods described includes, when the ion gate is opened,
The potential well for the ion being ionized is formed so as to entering migration area 30 between the first ion gate grid and the first migration region electrode 31
Cluster ion compression.
Method, when the ion gate is opened, keeps the current potential of the first ion gate grid according to an embodiment of the invention
The current potential absolute value V1 of absolute value V2 and ionized region 11 is constant, and the second ion gate grid are applied with reverse pulse potential so that the
Two ion gate grid current potential absolute value V2 reduce a pulse potential absolute value, so that the current potential absolute value V2 ＞ of the first ion gate grid
Current potential absolute value V3 >=second of current potential absolute value V4 ＞ the second ion gate grid of first migration region electrode 31 migrates region electrode 32
Current potential absolute value V5, i.e. V2 ＞ V4 ＞ V3 >=V5.Wherein, between the voltage V3 of second grid and the voltage V2 of first grid
Voltage amplitude 7V~30V of reversed electric field, and second grid differs not higher than 50V with the current potential of ionized region 11.
According to the method for the present embodiment, when the ion gate is opened, keep migration area 30 includes the first migration area
The current potential absolute value of the electrode of the migration region electrode 32 of electrode 31 and second is identical in the case of being closed with the ion gate.
According to the method for the present embodiment, in the case where the ion gate is remained turned-off, transference tube is operated so that electricity
From the current potential absolute value V2 of current potential absolute value V3 ＞ the first ion gate grid of the ion gate grid of current potential absolute value V1 >=second in area 11
The current potential absolute value V4 ＞ second of the migration region electrodes 31 of ＞ first migrate the current potential absolute value V5 of region electrode 32 i.e., V1 >=V3 ＞ V2
＞ V4 ＞ V5.
Be given below the specific example of a transference tube, and its resolution ratio testing result.
Fig. 2 uses such as Simion softwares institute established model for the structure and size according to conventional migration tube, wherein migrating
The length of area 30 is that the voltage between 88mm, two ion gate grid of ion gate is set to 20V, and spacing is set to 0.5mm, migration area
30 electric-field intensity are set to 260V/cm.
Under the usual manner that ion gate is opened, when ion gate is closed, V3 ＞ V2 have one between two ion gate gate electrodes
The individual electric field opposite with the direction of an electric field of migration area 30, ion can not pass through.The moment opened in ion gate, first gate electrode
Vg1 will be applied in one with original polarity of voltage identical pulse, and amplitude is Δ V, now：(V2+ Δ V) ＞ V3, two ions
Reversed electric field between door grid is changed, and ion is allowed through.Cluster ion is under the positive field effect of ion gate, into migration
Area 30, and ion gate grid are passed through under the opposite direction collisions of the weak electric field of migration area 30 and migration air-flow, reach Faraday plate and simultaneously received
Collection.
Fig. 3 is the migration spectrum that 10000 examples of operation are obtained using Simion under conventional ion gate working condition
Figure, wherein setting ion gate opening time as 200us, the cycle is 43ms.The migration spectrum a width of 0.475ms of half-peak is obtained, peak position is
23.8ms, resolution ratio is 50.075.
Under the premise of Simion Suo Jian transference tubes mechanism is not changed, Simion running software conditions are adjusted, will be original
The beat voltage for being applied to the first ion fence gate Vg1 is applied to the second ion fence gate Vg2, and voltage pulse is reversely, maintains simultaneously
First ion fence gate voltage Vg1=V2 and ionization area voltage Vi=V1.At closing time, have one between two ion gate gate electrodes of V2 ＜ V3
The individual electric field opposite with the direction of an electric field of migration area 30, ion can not pass through；When ion gate is opened, V2 ＞ V4 ＞ V3 >=V5, ion
Reversed electric field between door is changed, and ion is allowed through, and ion is reached behind migration area 30, due to the second ion fence gate voltage V3
Less than the first migration electrode voltage V4, reaching the cluster ion of migration area 30 will be compressed in the presence of reversed electric field.Ion
After door is closed, migrate electric field and recover normal, cluster ion is at the uniform velocity migrated and by farad in the presence of migration electric field and migration air-flow
Disk is received.Fig. 4 is moving that 10000 examples of operation after ion gate unfolding mode is changed by this programme using Simion are obtained
Spectrogram is moved, wherein setting ion gate opening time as 200us, the cycle is 43ms.Obtain the migration spectrum a width of 0.440ms of half-peak, peak
Position is 23.8ms, and resolution ratio is 54.071.
Adjust the ion gate of legacy migration pipe on the premise of migration tube structure is not changed according to this programme from the point of view of calculating
After unfolding mode, migration spectrum half-peak breadth is down to 0.440ms by 0.475ms.Ion gate unfolding mode is to entering migration area after adjustment
30 cluster ion has certain compression effectiveness, and migration tube resolution ratio improves 8% or so.(effect portion：1. change small, it is real
It is now simple；2. compression, is not only potential barrier, but potential well)
Although some embodiments of this overall inventional idea are shown and illustrated, those of ordinary skill in the art will manage
Solution, in the case of without departing substantially from the principle of this overall inventional idea and spirit, can make a change to these embodiments, of the invention
Scope is limited with claim and their equivalent.
Claims (6)
1. a kind of transference tube, includes the ion gate opened and closed in inner space and internally positioned space；It is internal
Space includes the ionized region with current potential absolute value V1 and the migration area separated with ionized region by ion gate, and material is by ionizing
Area one end enters transference tube, is ionized in ionized region, is driven by electric field enter migration area afterwards；
Wherein, the ion gate set between ionized region and migration area includes the first ion gate grid and tool with current potential absolute value V2
There are current potential absolute value V3 the second ion gate grid, the first ion gate grid and the second ion gate grid are parallel to each other, by between insulating trip
Separate and transference tube is divided into the ionized region and migration area；Migration area at least includes the with current potential absolute value V4
One migration region electrode and the second migration region electrode with current potential absolute value V5, the second migration region electrode is than the first migration region electrode
Away from the second ion gate grid；
Wherein, when the ion gate is opened, form what is be ionized between the first ion gate grid and the first migration region electrode
The potential well of ion is so as to the cluster ion compression to entering migration area.
2. transference tube as claimed in claim 1, wherein, when the ion gate is opened, the electricity of the first ion gate grid
Position absolute value V2 is more than the current potential absolute value V4 of the first migration region electrode, and the current potential absolute value V4 of the first migration region electrode is more than the
The current potential absolute value V3 of two ion gate grid, the current potential absolute value V3 of the second ion gate grid is more than or equal to the second migration region electrode
Current potential absolute value V5.
3. transference tube as claimed in claim 2, wherein, when the ion gate is opened, keep the first ion gate grid
Current potential absolute value V2 and ionized region current potential absolute value V1 it is constant, reverse pulse potential is applied to the second ion gate grid, made
Obtain the second ion gate grid current potential absolute value V2 and reduce a pulse potential absolute value.
4. transference tube as claimed in claim 2, wherein, when the ion gate is opened, migration area includes first
The current potential absolute value for migrating the electrode of region electrode and the second migration region electrode keeps identical in the case of being closed with the ion gate.
5. transference tube as claimed in claim 1, wherein, in the case where the ion gate is remained turned-off, Ion transfer
Pipe is arranged so that the current potential absolute value V1 of ionized region is more than or equal to the current potential absolute value V3 of the second ion gate grid, the second ion
The current potential absolute value V3 of door grid is more than the current potential absolute value V2 of the first ion gate grid, and the current potential absolute value V2 of the first ion gate grid is big
In the current potential absolute value V4 of the first migration region electrode, the current potential absolute value V4 of the first migration region electrode is more than the second migration region electrode
Current potential absolute value V5.
6. transference tube as claimed in claim 5, wherein, in the case where the ion gate is remained turned-off, the second ion
The current potential absolute value V3 of door grid is higher 7~30 volts than the current potential absolute value V2 of the first ion gate grid, and the second ion gate grid
The current potential absolute value V1 of current potential absolute value V3 and ionized region difference is not higher than 50 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476775.7U CN206349332U (en) | 2016-12-29 | 2016-12-29 | Transference tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476775.7U CN206349332U (en) | 2016-12-29 | 2016-12-29 | Transference tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349332U true CN206349332U (en) | 2017-07-21 |
Family
ID=59319895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476775.7U Active CN206349332U (en) | 2016-12-29 | 2016-12-29 | Transference tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206349332U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783508A (en) * | 2016-12-29 | 2017-05-31 | 同方威视技术股份有限公司 | The method of transference tube and operation transference tube |
| WO2019129290A1 (en) * | 2017-12-31 | 2019-07-04 | 宁波华仪宁创智能科技有限公司 | Ion separation apparatus and method for ambient ionization mass spectrometry |
| CN110491765A (en) * | 2018-11-25 | 2019-11-22 | 中国科学院大连化学物理研究所 | A kind of control method of ion mobility spectrometry intermediate ion door |
| CN112262315A (en) * | 2018-04-04 | 2021-01-22 | 汉诺威戈特弗里德威廉莱布尼茨大学 | Ion mobility spectrometer and method for analyzing a sample by ion mobility spectrometry |
-
2016
- 2016-12-29 CN CN201621476775.7U patent/CN206349332U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783508A (en) * | 2016-12-29 | 2017-05-31 | 同方威视技术股份有限公司 | The method of transference tube and operation transference tube |
| US10535509B2 (en) | 2016-12-29 | 2020-01-14 | Nuctech Company Limited | Ion migration tube and method of operating the same |
| WO2019129290A1 (en) * | 2017-12-31 | 2019-07-04 | 宁波华仪宁创智能科技有限公司 | Ion separation apparatus and method for ambient ionization mass spectrometry |
| CN112262315A (en) * | 2018-04-04 | 2021-01-22 | 汉诺威戈特弗里德威廉莱布尼茨大学 | Ion mobility spectrometer and method for analyzing a sample by ion mobility spectrometry |
| CN110491765A (en) * | 2018-11-25 | 2019-11-22 | 中国科学院大连化学物理研究所 | A kind of control method of ion mobility spectrometry intermediate ion door |
| CN110491765B (en) * | 2018-11-25 | 2020-06-19 | 中国科学院大连化学物理研究所 | Control method of ion gate in ion mobility spectrometry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206349332U (en) | Transference tube | |
| CN102903598B (en) | Method for improving traditional ion transference tube sensitivity | |
| EP3739616B1 (en) | Triple quadrupole mass spectrometry coupled to trapped ion mobility separation | |
| CN106783508B (en) | The method of transference tube and operation transference tube | |
| CN105225916B (en) | Realize that single tube ionic migration spectrometer detects negative ions high voltage power supply and method simultaneously | |
| CA2915502C (en) | Dual polarity spark ion source | |
| US20130264475A1 (en) | Selective ionization using high frequency filtering of reactive ions | |
| CN104576287A (en) | Ion source system and mass spectrometer for atmospheric pressure interface | |
| CN1238715C (en) | Storing type photo-ionisation ion migration mass spectrum | |
| CN107219294A (en) | It is a kind of to improve ionic migration spectrometer resolution ratio and the method for sensitivity | |
| CN110073208A (en) | Mass spectrometer | |
| CN108027344A (en) | Ion-mobility spectrometer | |
| CN103956316B (en) | A kind of power supply for ion mobility spectrometry single tube and detection method | |
| CN104934287A (en) | Low field difference ion migration spectrometer and substance detection method thereof | |
| CN105428200B (en) | Drift time ion mobility spectrometry apparatus | |
| CN105470096A (en) | Ion funnel and mass spectrometric detection system | |
| CN110828279B (en) | Two-dimensional separation ion migration tube | |
| CN206595227U (en) | A kind of Proton-Transfer Reactions ion gun for ion mobility spectrometry | |
| CN102903599B (en) | The transference tube of application surface desorption atmospheric chemical ionization technology | |
| CN104091750B (en) | Pulsed ion trap transference tube with carrier gas and transference gas | |
| CN203950782U (en) | A kind of pulse ion trap migration tube with carrier gas and migration gas | |
| RU2585249C2 (en) | Method of controlling duration of passed ion pack (impulse) through bradbury-nielsen gate | |
| CN103646844B (en) | High-Field unsymmetric ion migration tube | |
| CN109884157B (en) | Novel positive and negative ion fast switching's ion detector | |
| CN112951699B (en) | Separation method of ion mobility spectrometry overlapping peaks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Qingjun Inventor after: Li Xianghua Inventor after: Ma Qiufeng Inventor after: Li Yuanjing Inventor after: Zhao Ziran Inventor after: Zhu Weiping Inventor after: Qian Hongwei Inventor after: Zhu Cheng Inventor after: Li Jianguang Inventor after: Zhang Hongmei Inventor after: He Huishao Inventor before: Zhang Qingjun Inventor before: Li Yuanjing Inventor before: Zhao Ziran Inventor before: Zhu Weiping Inventor before: He Huishao Inventor before: Li Xianghua Inventor before: Ma Qiufeng |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180510 Address after: 100084 Beijing city Haidian District Shuangqing Road with Party building A block 2 layer Co-patentee after: Beijing Entry-exit Inspection and Quarantine Bureau, the People's Republic of China Patentee after: Nuctech Company Limited Co-patentee after: Tsinghua University Address before: 100084 Beijing city Haidian District Shuangqing Road with Party building A block 2 layer Co-patentee before: Tsinghua University Patentee before: Nuctech Company Limited |
|
| TR01 | Transfer of patent right |