CN205826684U - A kind of elemental analyser stable isotope mass spectrograph combined apparatus - Google Patents
A kind of elemental analyser stable isotope mass spectrograph combined apparatus Download PDFInfo
- Publication number
- CN205826684U CN205826684U CN201620716093.2U CN201620716093U CN205826684U CN 205826684 U CN205826684 U CN 205826684U CN 201620716093 U CN201620716093 U CN 201620716093U CN 205826684 U CN205826684 U CN 205826684U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- stable isotope
- elemental analyser
- tube
- combined apparatus
- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000000155 isotopic effect Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The utility model discloses a kind of elemental analyser stable isotope mass spectrograph combined apparatus, described combined apparatus includes elemental analyser oxidation tube, elemental analyser reduction tube, stable isotope mass spectrograph, gas sample injection device, described gas sample injection device includes that connecting tube, described connecting tube two ends are each provided with attachment means；Being additionally provided with sample feeding pipe in described connecting tube, bottom described sample feeding pipe, the body with connecting tube connects；Described attachment means connects gas outlet and the reduction tube air inlet of oxidation tube respectively, and the gas outlet of described reduction tube injection port mass spectrometric with stable isotope is connected.Combined apparatus simple in construction described in the utility model, reasonable in design, low cost, practical, it is suitable for large-scale promotion.
Description
Technical field
This utility model relates to a kind of analytical tool, particularly to a kind of elemental analyser stable isotope mass spectrograph connection
Use device.
Background technology
Laboratory is for nitrogen oxides, N2And CO2The demarcation of the isotopic ratio of working standard gas, conventional method has
Three kinds: first method is to utilize two-way sampling system to demarcate, with the stable isotope calibrating gas that has certificate for mark
Standard, realizes the demarcation to working standard gas through the most double sample comparative measurements on stable isotope mass spectrograph, but double
Road sampling system is expensive, and some laboratory is not equipped with this system, thus two-way sampling system cannot be used work
Calibrating gas is demarcated；Second method is to demarcate mark for elemental analyser and isotope mass spectrometry combined instrument (EA-IRMS)
Quasi-working gas, is the isotope solid etalon material of certificate, demarcates the steel cylinder gas as working standard gas, including N2
And CO2Deng, but the method has certain limitation, has card isotopic standard material can only demarcate CO2And N2Carbon, nitrogen coordination
Element ratio, it is impossible to demarcate N2The nitrogen isotope ratio of O and NO gas；The third method is with same for minimum gas pre-concentration device
Position element GC-MS, by the concentration by cold-trap of the gas of required demarcation, finally enters stable isotope mass spectrograph and carries out
Measure, for the method staking-out work calibrating gas need known isotopic ratio gas of the same race as its reference gas, but state
In NO and N with accurate nitrogen isotope ratio can be provided currently without a gas companies2O clean gas, therefore for
NO and N2The demarcation of O gas is the most difficult.
Summary of the invention
The purpose of this utility model there are provided a kind of elemental analyser stable isotope mass spectrograph combined apparatus.Institute
State combined apparatus simple in construction, reasonable in design, low cost, simple to operate, it is suitable for large-scale promotion.
In order to realize foregoing invention purpose, this utility model adopts the following technical scheme that
A kind of elemental analyser stable isotope mass spectrograph combined apparatus, divides including elemental analyser oxidation tube, element
Analyzer reduction tube and stable isotope mass spectrograph, it is characterised in that on described combined apparatus, be additionally provided with a gas sampling
Device, described gas sample injection device includes that connecting tube, described connecting tube two ends are each provided with an attachment means；Described connecting tube
On be additionally provided with sample feeding pipe, bottom described sample feeding pipe, the body with connecting tube connects；Described attachment means connection element respectively divides
The gas outlet of analyzer oxidation tube and elemental analyser reduction tube air inlet, the gas outlet of described elemental analyser reduction tube is with steady
The injection port determining isotope mass spectrometer connects.
Being provided with external screw thread outside described sample feeding pipe, be provided with rubber spacer at sample feeding pipe top, described gas sampling fills
Putting the cover type nut also including that a top is provided with injection port, described cover type nut is by being connected rubber with sample feeding pipe outside screw
Glue dottle pin is fixed in cover type nut.Described rubber spacer is fixed by cover type nut, and seal is good.
A firm banking it is provided with outside described connecting tube, between connecting tube two end connection device, described sample feeding pipe
Bottom is fixed on firm banking, and connects with the connecting tube in firm banking.
Described attachment means is made up of screw and packing ring, and described packing ring is fixed on one end of connecting tube, screw central opening,
Being interspersed in outside connecting tube, the end of thread of described screw points to packing ring.
Described connecting tube, screw and packing ring are stainless steel products；Firm banking, sample feeding pipe are copper product.
Beneficial effect: apparatus structure described in the utility model is simple, reasonable in design, low cost, applicable large-scale promotion.Institute
State the two ends of gas sample injection device by screw and packing ring respectively with oxidation tube and reduction tube compact siro spinning technology；Achieve gas first
Body is directly injected into the reduction tube of elemental analyser, utilizes after oxides of nitrogen gas is reduced by hot copper reduction principle in reduction tube and enters
Isotope mass spectrometer, measures oxides of nitrogen gas sample；And the feelings measuring gas external device are lacked at isotope mass spectrometer
Under condition, by the reduction tube in elemental analyser, by N to be calibrated2Or CO2Send into isotope mass spectrometer, measure N2And CO2
The ratio of the nitrogen and carbon isotope ratios of gas.
Accompanying drawing explanation
Fig. 1 is the gas sampling dress of a kind of elemental analyser stable isotope mass spectrograph combined apparatus of the present utility model
The structural representation put.Wherein 1 is connecting tube；2 is firm banking；3 is screw；4 is packing ring；5 is rubber spacer；6 is cap-type
Nut；7 is sample feeding pipe；8 is injection port.
Fig. 2 is the structural representation of a kind of elemental analyser stable isotope mass spectrograph combined apparatus of the present utility model
Figure.Wherein 9 is hot copper；10 is quartz ampoule；11 is O RunddichtringO；12 is gas sample injection device；13 aoxidize for elemental analyser
Pipe；14 is elemental analyser reduction tube.
Detailed description of the invention
Below by specific embodiment, technical scheme described in the utility model is further described in detail, but has
Necessity points out that embodiment is served only for the description to summary of the invention, is not intended that the restriction to this utility model protection domain.
A kind of elemental analyser stable isotope mass spectrograph combined apparatus, including elemental analyser oxidation tube 13, element
Analyser reduction tube 14 and stable isotope mass spectrograph, described combined apparatus is additionally provided with a gas sample injection device 12,
Described gas sample injection device 12 includes that connecting tube 1, described connecting tube 1 two ends are respectively fixedly connected with a packing ring 4, described connecting tube
Being interspersed with a screw 3 outside 1, the end of thread of described screw 3 points to packing ring 4；Described gas sample injection device 12 is by screw 3 He
Packing ring 4 is connected with gas outlet and elemental analyser reduction tube 14 air inlet of elemental analyser oxidation tube 13 respectively；Described gas
Body sampling device 12 also includes that a threaded sample feeding pipe in outside 7 and top are provided with the cover type nut 6 of injection port 8,
Described sample feeding pipe 7 top is provided with rubber spacer 5, described cover type nut 6 by be connected with sample feeding pipe 7 outside screw by rubber every
Pad 5 is fixed in cover type nut 6.Outside described connecting tube 1, between 1 liang of terminal screw 3 of connecting tube, it is provided with a firm banking 2,
The bottom of described sample feeding pipe 7 is fixed on firm banking 2, and connects with the connecting tube 1 in firm banking 2.Described elementary analysis
The gas outlet of instrument reduction tube 14 injection port mass spectrometric with stable isotope is connected.
Described connecting tube 1, screw 3 and packing ring 4 are stainless steel products；Firm banking 2, sample feeding pipe 7, cover type nut 6 are
Copper product.
Claims (6)
1. an elemental analyser stable isotope mass spectrograph combined apparatus, including elemental analyser oxidation tube (13), element
Analyser reduction tube (14) and stable isotope mass spectrograph, it is characterised in that be additionally provided with gas on described combined apparatus and enter
Sampling device (12), described gas sample injection device (12) includes that connecting tube (1), described connecting tube (1) two ends are each provided with a company
Connection device；Being additionally provided with sample feeding pipe (7) in described connecting tube (1), described sample feeding pipe (7) bottom connects with the body of connecting tube (1)
Logical；Gas outlet and the elemental analyser reduction tube (14) of described attachment means connection element analyser oxidation tube (13) respectively enter
QI KOU, the gas outlet injection port mass spectrometric with stable isotope of described elemental analyser reduction tube (14) is connected.
A kind of elemental analyser stable isotope mass spectrograph combined apparatus the most according to claim 1, it is characterised in that
Described sample feeding pipe (7) outside is provided with external screw thread, is provided with rubber spacer (5) at sample feeding pipe (7) top, and described gas sampling fills
Put (12) and also include that a top is provided with the cover type nut (6) of injection port (8), described cover type nut (6) by with sample feeding pipe (7)
Rubber spacer (5) is fixed in cover type nut (6) by outside screw connection.
A kind of elemental analyser stable isotope mass spectrograph combined apparatus the most according to claim 1, it is characterised in that
It is provided with a firm banking (2), described sample feeding pipe between described connecting tube (1) outside, connecting tube (1) two end connection device
(7) bottom is fixed on firm banking (2), and connects with the connecting tube (1) in firm banking (2).
A kind of elemental analyser stable isotope mass spectrograph combined apparatus the most according to claim 3, it is characterised in that
Described firm banking (2), sample feeding pipe (7), cover type nut (6) are copper product.
A kind of elemental analyser stable isotope mass spectrograph combined apparatus the most according to claim 1, it is characterised in that
Described attachment means is made up of screw (3) and packing ring (4), and described packing ring (4) is fixed on one end of connecting tube (1), in screw (3)
Heart opening, is interspersed in connecting tube (1) outside, and the end of thread of described screw (3) points to packing ring (4).
A kind of elemental analyser stable isotope mass spectrograph combined apparatus the most according to claim 5, it is characterised in that
Described connecting tube (1), screw (3) and packing ring (4) are stainless steel products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716093.2U CN205826684U (en) | 2016-07-07 | 2016-07-07 | A kind of elemental analyser stable isotope mass spectrograph combined apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716093.2U CN205826684U (en) | 2016-07-07 | 2016-07-07 | A kind of elemental analyser stable isotope mass spectrograph combined apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826684U true CN205826684U (en) | 2016-12-21 |
Family
ID=57565283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620716093.2U Expired - Fee Related CN205826684U (en) | 2016-07-07 | 2016-07-07 | A kind of elemental analyser stable isotope mass spectrograph combined apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018861A (en) * | 2016-07-07 | 2016-10-12 | 南京师范大学 | Elemental analyzer-stable isotope mass spectrometer combined device and gas isotope ratio detecting method thereof |
-
2016
- 2016-07-07 CN CN201620716093.2U patent/CN205826684U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018861A (en) * | 2016-07-07 | 2016-10-12 | 南京师范大学 | Elemental analyzer-stable isotope mass spectrometer combined device and gas isotope ratio detecting method thereof |
| CN106018861B (en) * | 2016-07-07 | 2018-05-18 | 南京师范大学 | A kind of elemental analyser-stable isotope mass spectrograph combined apparatus and its gas isotope compare value detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101782587B (en) | Instrument system suitable for synchronous on-line detection of adsorption spectrum and fluorescence spectrum | |
| CN201773094U (en) | Improved non-methane total hydrocarbon measurement chromatograph | |
| CN103389349B (en) | Method for detecting content of malachite green and metabolin thereof in aquiculture environment water body | |
| CN202330380U (en) | Gas chromatograph for non-methane hydrocarbon measurement | |
| CN103399096B (en) | Method for detecting content of malachite green and metabolin thereof in sediment of aquaculture environment | |
| CN102520079B (en) | Method for rapidly measuring content of solanesol in tobaccos by using UPLC (Ultra Performance Liquid Chromatography) | |
| CN105987947B (en) | A kind of measurement N2Or CO2The method of the nitrogen or carbon isotope ratio of gas | |
| CN205826684U (en) | A kind of elemental analyser stable isotope mass spectrograph combined apparatus | |
| CN103743844A (en) | Determination method of alcohol content in methanol | |
| CN205080119U (en) | Volatility organic gas on -line monitoring system | |
| CN106018861B (en) | A kind of elemental analyser-stable isotope mass spectrograph combined apparatus and its gas isotope compare value detection method | |
| CN213903428U (en) | Non-methane total hydrocarbon analysis device | |
| CN103954705A (en) | Method for measuring content of allantoin contained in Chinese traditional medicine rhizoma dioscoreae and rhizoma dioscoreae-containing preparation | |
| CN105319284B (en) | A kind of method for combined use of gas-chromatography and ion mobility spectrometry | |
| CN105842328B (en) | The detection method of urocanic acid and its ethyl ester in cosmetics based on ion mobility spectrometry | |
| CN103115978B (en) | Rapid and accurate Vc measuring method for Vc production enterprises | |
| CN106018539B (en) | A kind of measurement N2The method of O or NO gas nitrogen isotope ratio | |
| CN105158372B (en) | Method for determining urocanic acid and ethyl ester thereof in cosmetics | |
| CN103940918A (en) | A method of simultaneously detecting the content of artesunate and the content of dihydroartemisinin in animal blood plasma | |
| CN105806927A (en) | Quick detection method for ionic migration spectrum of 3 types of bromo or chloro salicyloyl anilines in cosmetics | |
| CN103472162B (en) | The method that methane in sewage gas and hydrogen detect simultaneously | |
| CN204116222U (en) | The clamping device of graphite-pipe in a kind of elemental analyser | |
| CN103558313A (en) | Gas chromatography determination device for sulfur hexafluoride decomposition products | |
| CN204789499U (en) | One way autoinjection gas chromatograph | |
| CN111077245B (en) | UPLC characteristic spectrum establishing method and detection method of radix semiaquilegiae medicinal material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |