CN106384707B - A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source - Google Patents
A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source Download PDFInfo
- Publication number
- CN106384707B CN106384707B CN201610946960.6A CN201610946960A CN106384707B CN 106384707 B CN106384707 B CN 106384707B CN 201610946960 A CN201610946960 A CN 201610946960A CN 106384707 B CN106384707 B CN 106384707B
- Authority
- CN
- China
- Prior art keywords
- sample
- ultraviolet lamp
- radio frequency
- vacuum ultraviolet
- ionization source
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/16—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
- H01J49/161—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission using photoionisation, e.g. by laser
- H01J49/162—Direct photo-ionisation, e.g. single photon or multi-photon ionisation
-
- 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
- G01N27/64—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention discloses a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization sources, including ionization source cavity, further include windowless radio frequency vacuum ultraviolet lamp, the inlet end of windowless radio frequency vacuum ultraviolet lamp is connected with the outlet side of mass flow controller E, the inlet end of mass flow controller E is connected with discharge gas memory, windowless radio frequency vacuum ultraviolet lamp is arranged at ionization source cavity top end, and the light-emitting window of windowless radio frequency vacuum ultraviolet lamp stretches to ionization source inside cavity.The invention avoids the pollutions that traditional vacuum ultraviolet lamp carries optical window, effectively raise the stability of mass spectrometer sensitivity.
Description
Technical field
The present invention relates to mass spectrometer fields, and in particular to a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum electricity automatically corrected
From source.
Background technology
Nowadays environment periphery for the survival of mankind is usually there are various volatility, the organic pollution of half volatile, than
Such as garbage burning factory periphery, chemical plant periphery etc..Although the content of some pollutants in the environment is very low, it has poison
Property, irritation and carcinogenicity, cause human body various acute and chronic damages, thus in environment various organic pollutions
Line monitors the close attention for receiving people, and is widely studied.Mass spectrum is with its high sensitivity, universality is good, detection is fast
The characteristics of degree is soon and qualitative, quantitative is accurate is more and more used for quick, the on-line analysis of environmental sample.With 70 eV
The electron impact ionization source of energy（EI）It is common ionization source in on-line mass spectroscopy, each organic matter has under this ionization source
Feature spectrogram, being capable of accurate qualitative analysis.But EI sources generate more fragment peak when ionizing organic matter so that it
Identification of spectrogram is difficult when analyzing complex mixture, constrains its development.
In order to reduce spectrum unscrambling difficulty, Hou Keyong [Chinese invention patents:200610011793.2] and Zheng Peichao [middle promulgateds by the State Council
Bright patent:200810022557.X] use vacuum ultraviolet（VUV）Lamp is had to have as mass spectrum ionization source when measuring organic matter
The molecular ion peak of machine object, simplifies spectrogram, can carry out quick qualitative analysis according to molecular weight.But this there is optical window
Vacuum UV lamp is easily polluted in running hours, optical window, and sensitivity is caused to decline, and long-time service causes quantitative accuracy to become
Difference.
The content of the invention
The invention discloses a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization sources, are substituted with windowless radio frequency vacuum ultraviolet lamp
Traditional pollution for having optical window vacuum UV lamp, avoiding optical window, the effective stability for improving mass spectrometer.
To achieve the above object, the technical scheme is that：
Including ionization source cavity, it is purple to further include windowless radio frequency vacuum for a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source
Outer lamp, the inlet end of windowless radio frequency vacuum ultraviolet lamp are connected with the outlet side of mass flow controller E, mass flow controller E
Inlet end be connected with discharge gas memory, windowless radio frequency vacuum ultraviolet lamp is arranged at ionization source cavity top end, and windowless penetrates
The light-emitting window of frequency vacuum UV lamp stretches to ionization source inside cavity.
Further, Ion Extraction electrode, ion transmission electrode group and pore electrod, institute are provided in the ionization source cavity
Stating ion transmission electrode group includes several pieces of ion transmission electrodes, between Ion Extraction electrode, ion transmission electrode and pore electrod
In parallel, coaxial placement, and between adjacent Ion Extraction electrode and ion transmission electrode, ion transmission electrode and ion transmission
It is separated between electrode, between ion transmission electrode and pore electrod by dead ring；The ionization source cavity and first described
Dead ring both sides offer sample holes, and sample introduction capillary E and sample introduction capillary D are respectively from the ionization source cavity and described first
Interted by aperture into ionization source inside cavity, the sample introduction end of sample introduction capillary E and two three-way electromagnetic valve E the both sides of piece dead ring
A port be connected, another port of two three-way electromagnetic valve E is connected with actual sample source of the gas, the sample introduction end of sample introduction capillary D
It is connected with a port of two three-way electromagnetic valve D, another port of two three-way electromagnetic valve D and the outlet side of mass flow controller D
It is connected, the inlet end of mass flow controller D is connected with standard sample memory.
Further, the two three-way electromagnetic valves E, two three-way electromagnetic valve D, mass flow controller E and mass flow controller D
It is connected with computer control system, the computer control system is for two three-way electromagnetic valve E of control, two three-way electromagnetic valve D, quality stream
The break-make and flow of amount controller E and mass flow controller D.
Further, radio-frequency coil is provided in the windowless radio frequency vacuum ultraviolet lamp, the radio-frequency coil is used to generate
The radio-frequency voltage of ultra-high frequency makes the gas ionization that discharge gas memory is imported in windowless radio frequency vacuum ultraviolet lamp, so as to generate
Photon.
Further, Ion Extraction electrode, ion transmission electrode and pore electrod are stainless steel plate type electrode, and the ion draws
Go out on electrode and pore electrod and be loaded with DC voltage, between adjacent Ion Extraction electrode and ion transmission electrode, ion transmission
The identical resistance of resistance value is both provided between electrode and ion transmission electrode, between ion transmission electrode and pore electrod to be used to divide
Pressure.
Further, several pieces of ion transmission electrode thickness, internal diameter and outer diameter all same.
Further, sample introduction capillary E and sample introduction capillary D is the capillary of length and internal diameter all same.
The method that above-described windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source continuously monitors, including following step
Suddenly：
S1. sample introduction capillary E and sample introduction capillary D alternatings sample introduction, sample introduction capillary D institute is into for standard sample, institute
State sample introduction capillary E into the actual sample for monitoring, it is a cycle that inspection, which has surveyed an actual sample and standard sample, into
Sample capillary E into actual sample signal strength calculate formula be：
（I）
Formula（I）In, ANIt is the real output signal intensity of n-th monitoring cycle actual sample；
B1It is the signal strength of the 1st monitoring cycle standard sample；
BNIt is the signal strength of n-th monitoring cycle standard sample；
AnIt is that n-th monitoring cycle actual sample detects signal strength in mass spectrogram；
S2. the A for calculating acquisition is utilizedN, bring the calibration curve equation of actual sample into, calculate each cycle actual sample
Concentration CN。
The method of more than continuous monitoring, passes through formula（I）The signal strength of actual sample is calibrated automatically, this is automatic
Calibration process is calculated by mass spectrum Continuous Monitoring Software.
The change in signal strength trend B of mass spectrum Continuous Monitoring Software while outputting standard sampleNAfter being corrected with actual sample
Concentration variation tendency CN, and the actual sample mass spectrogram and standard sample mass spectrogram of each cycle acquisition, storage can be preserved
In two different files.
The windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source of the present invention, by using windowless radio frequency vacuum ultraviolet lamp, due to
The pollution that traditional vacuum ultraviolet lamp carries optical window is avoided, effectively raises the stability of mass spectrometer sensitivity, and is used
Long lifespan.In addition, the method being monitored by the windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source of the present invention, can periodically be passed through
Standard sample is corrected the signal strength of instrument, further ensures that mass spectrometer is run steadily in the long term so that long-term continuous
The quantitative accuracy of monitoring greatly improves, and has broad application prospects in the continuous monitoring field of environmental contaminants.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the change in signal strength curve of three months continuous monitorings of benzene standard sample in embodiment.
In figure, 1- discharge gas memories, 2- mass flow controllers E, 3- is windowless radio frequency vacuum ultraviolet lamp, 4- radio frequency lines
Circle, 5- Ion Extraction electrodes, two three-way electromagnetic valve D, 8- mass flow controller D, 9- standard sample of 6- sample introduction capillaries D, 7- are deposited
Reservoir, 10- ion transmission electrodes, 11- ionization source cavitys, 12- pore electrods, 13- ions, 14- vacuum-ultraviolet lights, 15- dead rings,
Two three-way electromagnetic valve E of 16- sample introduction capillaries E, 17-.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source, including ionization source cavity 11 and windowless radio frequency
Vacuum UV lamp 3, the inlet end of windowless radio frequency vacuum ultraviolet lamp 3 are connected with the outlet side of mass flow controller E2, quality stream
The inlet end of amount controller E2 is connected with discharge gas memory 1, and windowless radio frequency vacuum ultraviolet lamp 3 is fixed on by CF35 flanges
11 top of ionization source cavity, and the light-emitting window of windowless radio frequency vacuum ultraviolet lamp 3 is stretched to inside ionization source cavity 11, is sent
Vacuum-ultraviolet light 14 is located inside ionization source cavity 11, and the windowless radio frequency vacuum ultraviolet lamp 3 of the present embodiment uses EUV-X-L 627
RF Powered Flow Lamp, are the discharge lamp of radio-frequency drive, and no optical window is provided in windowless radio frequency vacuum ultraviolet lamp 3 and penetrates
Frequency coil 4, the radio-frequency voltage that radio-frequency coil 4 is used to generate ultra-high frequency make discharge gas memory 1 import windowless radio frequency vacuum
Gas ionization in ultraviolet lamp 3, so as to generate photon, luminous flux 1015 Photons/second.
Wherein, Ion Extraction electrode 5, ion transmission electrode group and pore electrod 12, ion are provided in ionization source cavity 11
Transmission electrode group includes 4 pieces of ion transmission electrodes 10, is between Ion Extraction electrode 5, ion transmission electrode 10 and pore electrod 12
Parallel, coaxial placement, and between adjacent Ion Extraction electrode 5 and ion transmission electrode 10, ion transmission electrode 10 and ion
It is separated between transmission electrode 10, between ion transmission electrode 10 and pore electrod 12 by dead ring 15；11 He of ionization source cavity
First dead ring both sides offers sample holes, and sample introduction capillary E16 and sample introduction capillary D6 are respectively from the ionization source cavity
11 and the both sides of first dead ring interted by aperture into inside ionization source cavity 11, sample introduction capillary E16 into
Sample end is connected with a port of two three-way electromagnetic valve E17, another port and the actual sample source of the gas phase of two three-way electromagnetic valve E17
Even, the sample introduction end of sample introduction capillary D6 is connected with a port of two three-way electromagnetic valve D7, another port of two three-way electromagnetic valve D7
It is connected with the outlet side of mass flow controller D8, the inlet end of mass flow controller D8 is connected with standard sample memory 9,
The separated sample introduction of actual sample and standard sample to be measured can be realized by sample introduction capillary E16 and sample introduction capillary D6.
To realize automatically controlling for sample introduction, two three-way electromagnetic valve E17, two three-way electromagnetic valve D7, mass flow controller E2 and matter
Amount flow controller D8 is connected with computer control system, and computer control system is powered for two three-way electromagnetic valve E17 of control, two
The break-make and flow of magnet valve D7, mass flow controller E2 and mass flow controller D8.
Ion Extraction electrode 5, ion transmission electrode 10 and pore electrod 12 are stainless steel plate type electrode, and 4 pieces of ion transmission are electric
10 thickness of pole, internal diameter and outer diameter all same, are loaded with DC voltage on Ion Extraction electrode 5 and pore electrod 12, it is adjacent from
Between sub- extraction electrode 5 and ion transmission electrode 10, between ion transmission electrode 10 and ion transmission electrode 10, ion transmission electricity
The identical resistance of resistance value is welded between pole 10 and pore electrod 12 to be used to divide.
The sample introduction capillary E16 and sample introduction capillary D6 of the present embodiment are the capillary of length and internal diameter all same, to protect
Mass spectrometer sample size is identical when demonstrate,proving two-way independent sample introduction, and the pressure in ionization source cavity 11 is consistent.
Above-mentioned windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source can continuously monitor sample, the side continuously monitored
Method comprises the following steps：
S1. windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source is connected with mass spectrum, sample introduction capillary E16 and sample introduction capillary
D6 replaces sample introduction, sample introduction capillary D6 institute into for standard sample, the sample introduction capillary E16 into the actual sample for monitoring
Product, it is a cycle that inspection, which has surveyed an actual sample and standard sample, sample introduction capillary E16 into actual sample signal
Strength calculation formula is：
（I）
Formula（I）In, ANIt is the real output signal intensity of n-th monitoring cycle actual sample；
B1It is the signal strength of the 1st monitoring cycle standard sample；
BNIt is the signal strength of n-th monitoring cycle standard sample；
AnIt is that n-th monitoring cycle actual sample detects signal strength in mass spectrogram；
S2. the A for calculating acquisition is utilizedN, bring the calibration curve equation of sample into, calculate the dense of each cycle actual sample
Spend CN。
The method of more than continuous monitoring, passes through formula（I）The signal strength of actual sample is calibrated automatically, this is automatic
Calibration process is calculated by mass spectrum Continuous Monitoring Software so that the quantitative accuracy of continuous monitoring greatly improves.
By the above method be applied to environmental contaminants continuous monitoring when by windowless radio frequency vacuum ultraviolet lamp mass spectrum electricity
It is connected from source with mass spectrum, first by the way that standard curve is made to the monitoring of standard sample, obtains the calibration curve equation of sample.It opens
Begin operation mass spectrometer when, treat that vacuum degree reaches requirement, by DC voltage load on Ion Extraction electrode 5 and pore electrod 12 it
On, for controlling the mass flow controller E2's of discharge gas to be in opening state always, to maintain windowless radio frequency vacuum purple
Outer 3 continuous discharge of lamp generates photon, makes ionized sample molecule, generates ion 13.
After continuous monitoring starts, mono- roads of sample introduction capillary D6 is first made to work, that is, open two three-way electromagnetic valve D7 and quality stream
Amount controller D8 closes two three-way electromagnetic valve E17, standard sample is made to be passed through ionization source cavity 11, first to get standard samples week
Then phase signal strength values B1 makes mono- roads of sample introduction capillary E16 work, that is, open two three-way electromagnetic valve E17, closes mass flow control
Device D8 processed and two three-way electromagnetic valve D7, makes actual sample to be measured be passed through ionization source cavity 11, can obtain period 1 actual sample
Detection intensity, substitute into formula（I）The reality output intensity A 1 of actual sample can be obtained, A1 is substituted into the standard of actual sample
Curvilinear equation can calculate the concentration C 1 of actual sample, while B1 and C1 values are exported, respectively drafting pattern.It is then switched off two
Three-way electromagnetic valve E17 opens two three-way electromagnetic valve D7, so can obtain the concentration variation tendency and standard sample of target contaminant repeatedly
The variation trends of the variation trends of product, wherein standard sample can be used for the assessment of ionization source long-time stability.
Windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source in the present embodiment and time of-flight mass spectrometer are combined, for rubbish
The continuous monitoring of chlorobenzene in rubbish incineration flue gas.In experimentation, discharge gas selects high-purity Krypton, the photon energy sent
For 10.6 eV, mass flow controller E2 flow velocitys are arranged to 11.5 ml/min, and Ion Extraction electrode 5 adds respectively with pore electrod 12
The DC voltage of 17 V and 13V are carried, standard sample selects the benzene standard sample of 1 ppmv, sample introduction capillary D6 and sample introduction capillary
This two-way capillary sample inlet time of E16 is 15 min.
The monitoring process of above-mentioned chlorobenzene, continuous operation three months, obtains the concentration of target contaminant chlorobenzene in incineration flue gas
The change in signal strength trend of variation tendency and standard sample benzene, the change in signal strength trend of standard sample benzene as shown in Fig. 2,
Three middle of the month incinerators are closed 4 times, and except this 4 stages of this, b, c, d, the strength fluctuation of standard sample benzene is smaller, relative standard
Deviation is 9.71%.
This is windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source, by using windowless radio frequency vacuum ultraviolet lamp, due to avoiding
Traditional vacuum ultraviolet lamp carries the pollution of optical window, effectively raises the stability of mass spectrometer sensitivity, and service life is long.
In addition, the method being monitored by the windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source of the present invention, can periodically be passed through standard sample
Product are corrected the signal strength of instrument, further ensure that mass spectrometer is run steadily in the long term so that continuous monitoring
Quantitative accuracy greatly improves.
Claims (5)
1. a kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source, including ionization source cavity, it is characterised in that：Further include windowless penetrate
Frequency vacuum UV lamp（3）, windowless radio frequency vacuum ultraviolet lamp（3）Inlet end and mass flow controller E（2）Outlet side phase
Even, mass flow controller E（2）Inlet end and discharge gas memory（1）It is connected, windowless radio frequency vacuum ultraviolet lamp（3）If
It is placed in ionization source cavity（11）Top, and windowless radio frequency vacuum ultraviolet lamp（3）Light-emitting window stretch to ionization source cavity（11）It is interior
Portion；
The ionization source cavity（11）Inside it is provided with Ion Extraction electrode（5）, ion transmission electrode group and pore electrod（12）, it is described
Ion transmission electrode group includes several pieces of ion transmission electrodes（10）, Ion Extraction electrode（5）, ion transmission electrode（10）And hole
Electrode（12）Between in parallel, coaxial placement, and adjacent Ion Extraction electrode（5）With ion transmission electrode（10）Between, from
Sub- transmission electrode（10）With ion transmission electrode（10）Between, ion transmission electrode（10）With pore electrod（12）Between by exhausted
Edge ring（15）It separates；
The ionization source cavity（11）Sample holes, sample introduction capillary E are offered with first dead ring both sides（16）With sample introduction hair
Tubule D（6）Respectively from the ionization source cavity（11）With first dead ring（15）Both sides entrance is interted by aperture
Ionization source cavity（11）Inside, sample introduction capillary E（16）Sample introduction end and two three-way electromagnetic valve E（17）A port be connected, two
Three-way electromagnetic valve E（17）Another port be connected with actual sample source of the gas, sample introduction capillary D（6）Sample introduction end and two energization magnetic
Valve D（7）A port be connected, two three-way electromagnetic valve D（7）Another port and mass flow controller D（8）Outlet side phase
Even, mass flow controller D（8）Inlet end and standard sample memory（9）It is connected；
The two three-way electromagnetic valves E（17）, two three-way electromagnetic valve D（7）, mass flow controller E（2）With mass flow controller D（8）
It is connected with computer control system, the computer control system is for two three-way electromagnetic valve E of control（17）, two three-way electromagnetic valve D
（7）, mass flow controller E（2）With mass flow controller D（8）Break-make and flow；
The windowless radio frequency vacuum ultraviolet lamp（3）Inside it is provided with radio-frequency coil（4）, the radio-frequency coil（4）For generating superelevation
The radio-frequency voltage of frequency makes discharge gas memory（1）Import windowless radio frequency vacuum ultraviolet lamp（3）In gas ionization, so as to produce
Third contact of a total solar or lunar eclipse.
2. windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source according to claim 1, it is characterised in that：
Ion Extraction electrode（5）, ion transmission electrode（10）And pore electrod（12）For stainless steel plate type electrode, the Ion Extraction
Electrode（5）And pore electrod（12）On be loaded with DC voltage, adjacent Ion Extraction electrode（5）With ion transmission electrode（10）It
Between, ion transmission electrode（10）With ion transmission electrode（10）Between, ion transmission electrode（10）With pore electrod（12）Between
The identical resistance of resistance value is provided with for dividing.
3. windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source according to claim 1, it is characterised in that：
Several pieces of ion transmission electrodes（10）Thickness, internal diameter and outer diameter all same.
4. windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source according to claim 1, it is characterised in that：
Sample introduction capillary E（16）With sample introduction capillary D（6）For the capillary of length and internal diameter all same.
5. using as the windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source of claim 1 ~ 4 any one of them continuously monitors
Method, it is characterised in that comprise the following steps：
S1. windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source is connected with mass spectrum, sample introduction capillary E（16）With sample introduction capillary D
（6）Alternately sample introduction, the sample introduction capillary D（6）Institute is into for standard sample, the sample introduction capillary E（16）Into for monitoring
Actual sample, inspection have surveyed an actual sample and standard sample as a cycle, sample introduction capillary E（16）Into actual sample
The signal strength of product calculates formula：
（I）
Formula（I）In, ANIt is the real output signal intensity of n-th monitoring cycle actual sample；
B1It is the signal strength of the 1st monitoring cycle standard sample；
BNIt is the signal strength of n-th monitoring cycle standard sample；
AnIt is that n-th monitoring cycle actual sample detects signal strength in mass spectrogram；
S2. the A for calculating acquisition is utilizedN, bring the calibration curve equation of sample into, calculate the concentration C of each cycle actual sampleN。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946960.6A CN106384707B (en) | 2016-10-26 | 2016-10-26 | A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946960.6A CN106384707B (en) | 2016-10-26 | 2016-10-26 | A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106384707A CN106384707A (en) | 2017-02-08 |
| CN106384707B true CN106384707B (en) | 2018-05-25 |
Family
ID=57958371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946960.6A Active CN106384707B (en) | 2016-10-26 | 2016-10-26 | A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106384707B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884168B (en) * | 2017-12-06 | 2021-11-05 | 中国科学院大连化学物理研究所 | Device and method for real-time online analysis of catalytic reaction process |
| CN113964015A (en) * | 2021-10-27 | 2022-01-21 | 广西电网有限责任公司电力科学研究院 | Device for external standard quantification of time-of-flight mass spectrum |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596192A (en) * | 1995-04-28 | 1997-01-21 | Shimadzu Corporation | Mass spectrometric apparatus for use with a liquid chromatograph |
| CN101063673A (en) * | 2006-04-26 | 2007-10-31 | 中国科学院大连化学物理研究所 | Vacuumeultraviolet lamp ionization device in time-of-flight mass spectrometer |
| CN103163209A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院大连化学物理研究所 | Mass spectrum method of gas sample in on-line continuous monitoring |
| CN103854952A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院大连化学物理研究所 | Mass spectrum vacuum ultraviolet ionization source based on optical-window-free gas discharge lamp |
| CN206272659U (en) * | 2016-12-26 | 2017-06-20 | 湖北工程学院 | Network resource scheduling device and system |
-
2016
- 2016-10-26 CN CN201610946960.6A patent/CN106384707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596192A (en) * | 1995-04-28 | 1997-01-21 | Shimadzu Corporation | Mass spectrometric apparatus for use with a liquid chromatograph |
| CN101063673A (en) * | 2006-04-26 | 2007-10-31 | 中国科学院大连化学物理研究所 | Vacuumeultraviolet lamp ionization device in time-of-flight mass spectrometer |
| CN103163209A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院大连化学物理研究所 | Mass spectrum method of gas sample in on-line continuous monitoring |
| CN103854952A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院大连化学物理研究所 | Mass spectrum vacuum ultraviolet ionization source based on optical-window-free gas discharge lamp |
| CN206272659U (en) * | 2016-12-26 | 2017-06-20 | 湖北工程学院 | Network resource scheduling device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106384707A (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5393979A (en) | Photo-ionization detector for detecting volatile organic gases | |
| Zurynková et al. | Trace determination of antimony by hydride generation atomic absorption spectrometry with analyte preconcentration/atomization in a dielectric barrier discharge atomizer | |
| US10777401B2 (en) | Use of an ionizing device, device and method for ionizing a gaseous substance and device and method for analyzing a gaseous ionized substance | |
| CN102117728B (en) | Mass spectrum VUV (Vacuum Ultraviolet) photoionization source device for in-source collision induced dissociation | |
| CN109755097B (en) | Quadrupole mass spectrometer and use method thereof | |
| Sun et al. | Real-time monitoring of trace-level VOCs by an ultrasensitive lamp-based VUV photoionization mass spectrometer | |
| CN201993338U (en) | Sweeping type film inlet-cushion chamber device with fast online enrichment of mass spectra | |
| CN106384707B (en) | A kind of windowless radio frequency vacuum ultraviolet lamp mass spectrum ionization source | |
| JP2007213934A (en) | Mass spectroscope and mass spectrometry | |
| CN109243964B (en) | Dielectric barrier discharge ion source, analysis instrument and ionization method | |
| CN104364641B (en) | The quantization of the analyte in serum and other bio-matrixes | |
| DE102006050136A1 (en) | Method and device for generating positive and / or negative ionized gas analytes for gas analysis | |
| CN109904056A (en) | A kind of chemi-ionization based on atmospherical discharges-VUV single-photon ionization composite ionization source device | |
| CN206271659U (en) | A kind of windowless mass spectrum ionization source | |
| Drees et al. | Stepwise optimization of a Flexible Microtube Plasma (FµTP) as an ionization source for Ion Mobility Spectrometry | |
| US20080142699A1 (en) | Analytical Apparatus | |
| CN109900773A (en) | A method of composition of air in accurate quickly analysis submarine | |
| JP2010513898A (en) | Detection device | |
| JP2010513899A (en) | Detection device and preconcentrator | |
| Yang et al. | Ultrasensitive detection of volatile aldehydes with chemi-ionization-coupled time-of-flight mass spectrometry | |
| JP2008535170A5 (en) | ||
| Kumai et al. | Excitation temperature measurement in liquid electrode plasma | |
| CN109887829A (en) | A kind of ionization source device detected simultaneously based on VUV lamp negative ions | |
| WO2023083082A1 (en) | Photoionization ion source having compact structure, and photoionization time-of-flight mass spectrometer | |
| CN108088891A (en) | A kind of ion mobility spectrometry and operating method for being disposed vertically VUV radio-frequency lamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |