CN205340221U - Autophragm carbon nanotube solid -phase extraction pillar - Google Patents
Autophragm carbon nanotube solid -phase extraction pillar Download PDFInfo
- Publication number
- CN205340221U CN205340221U CN201620087142.0U CN201620087142U CN205340221U CN 205340221 U CN205340221 U CN 205340221U CN 201620087142 U CN201620087142 U CN 201620087142U CN 205340221 U CN205340221 U CN 205340221U
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- China
- Prior art keywords
- phase extraction
- tubing string
- dust cap
- mouth
- pipe
- Prior art date
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- Expired - Fee Related
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- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 2
- 239000002041 carbon nanotube Substances 0.000 title abstract 2
- 229910021393 carbon nanotube Inorganic materials 0.000 title abstract 2
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 6
- 239000002109 single walled nanotube Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 239000002071 nanotube Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012491 analyte Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004460 liquid liquid chromatography Methods 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000001172 liquid--solid extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an autophragm carbon nanotube solid -phase extraction pillar, including the tubular column, top -down is equipped with upper screen deck in the tubular column, autophragm nanotube packing layer and lower sieve, the bottom of tubular column be equipped with with the communicating column cap of tubular column, the mouth of pipe department at tubular column top is equipped with the shield, the connection can be dismantled for the mouth of pipe to the shield, the shield is articulated with orificial one side, the orificial position of tubular column that the shield corresponds is equipped with the annular groove, mouth of pipe department is equipped with shield fixed knot and constructs, it uses in adverse circumstances to be fit for the solid -phase extraction pillar, the purity of solid -phase extraction thing has been improved, improve the accuracy of liquid chromatogram analysis.
Description
Technical field
This utility model relates to Solid-Phase Extraction field, particularly to a kind of SWCN solid phase extraction column.
Background technology
Solid-Phase Extraction (Solid-PhaseExtraction, SPE) is a kind of Sample Pretreatment Technique Used that the eighties grows up mid-term, liquid-solid extraction and liquid chromatography technology combine and develop, be mainly used in the separation of sample, purification and concentration.The response rate of analyte can be improved compared with traditional liquid-liquid extraction method, more effectively analyte is separated with interfering component, reduce sample pretreatment process, simple to operate, save time, laborsaving.It is widely applied to the fields such as medicine, food, environment, commodity inspection, chemical industry.At present, in sample analysis, pretreatment is a highly important step.The effect of sample pretreatment directly affects analyzes the whether accurate of result.Solid-Phase Extraction is the principle adopting selective absorption to separate with the liquid chromatograph of selective elution.More common way is to make fluid sample pass through adsorption stuffing, retain target components therein, select the solvent washing of suitable intensity to remove interfering component again, then by a small amount of good solvent eluting target components, thus reaching sharp separation, the purpose purifying and concentrating；Also can be selected for selective absorption interfering component, and allow target components flow out；Or simultaneously adsorptive hindrance component and target components, re-use suitable solvent selectivity eluting target components.General Solid-Phase Extraction adopts following operation: activation loading drip washing eluting.
But in ordinary test room, all can not reach the cleanliness levels of clean room, air exists substantial amounts of pollutant.The pollution of the pollutant (such as dust, metal organic pollution etc.) that solid-phase extraction column is easily subject in air when extracting target components, so that separate, the purity of target components that purifies is affected, this will result directly in the degree of accuracy of final liquid chromatographic detection.Therefore existing small column for solid phase extraction processing is improved by necessity further, to realize improving Solid phase extraction separation, purifying the effect of target components, reduces the pollution to extract of the pollutant in air.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of SWCN solid phase extraction column, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, this utility model provides following technical scheme: a kind of SWCN solid phase extraction column, including tubing string, upper sieve plate, single-walled nanotube packing layer and lower sieve plate it is provided with from top to bottom in described tubing string, the bottom of tubing string is provided with the stigma communicated with tubing string, the mouth of pipe place at tubing string top is provided with dust cap, dust cap removably connects relative to the mouth of pipe, dust cap is hinged with the side of the mouth of pipe, the position of the tubing string mouth of pipe that dust cap is corresponding is provided with annular groove, and mouth of pipe place is provided with dust cap fixed structure.
Preferably, described dust cap fixed structure includes locating piece and right angle rack latch, and locating piece is provided on dust cap, and locating piece is provided with draw-in groove, and described right angle rack latch is rotationally connected relative to tubing string.
Preferably, being provided with cone shape baffle plate in described stigma, the sidewall of baffle plate is equidistantly provided with crack.
Preferably, the lateral wall of described tubing string is provided with antiskid particles.
Preferably, it is filled with rubber layer in described groove.
Above technical scheme is adopted to provide the benefit that: the solid phase extraction column of this utility model structure, small column for solid phase extraction processing is provided with a dust cap near the longitudinal end relative with stigma, before sample adds, can be taken out from the mouth of pipe by dust cap, join after in pillar until sample, place dust cap.Thus preventing sample when evacuation processes, the impurity in pillar extraneous air enters column jecket internal contamination sample from post mouth.And this simple in construction, is suitable for solid phase extraction column and uses in adverse circumstances, improve the purity of Solid-Phase Extraction thing, improve the degree of accuracy of liquid-phase chromatographic analysis.
Dust cap fixed structure, conveniently dust cap is positioned, prevent it from opening, being provided with cone shape baffle plate in stigma, the sidewall of baffle plate is equidistantly provided with crack, it is ensured that the sealing at stigma place, prevent liquid to be detected from spilling from stigma, being filled with rubber layer in groove and ensure sealing, the lateral wall of tubing string is provided with antiskid particles, tubing string of conveniently taking.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation at tubing string mouth of pipe place；
Fig. 3 is the upward view at stigma place.
Wherein, 1--upper sieve plate, 2--single-walled nanotube packing layer, sieve plate, 4--stigma, 5--dust cap, 6--annular groove, 7--locating piece, 8--draw-in groove, 9--right angle rack latch, 10--antiskid particles, 11-baffle plate, 12--rubber layer, 13--tubing string under 3--.
Detailed description of the invention
Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 and Fig. 3 show detailed description of the invention of the present utility model: a kind of SWCN solid phase extraction column, including tubing string 13, upper sieve plate 1, single-walled nanotube packing layer 2 and lower sieve plate 3 it is provided with from top to bottom in described tubing string 13, the bottom of tubing string 13 is provided with the stigma 4 communicated with tubing string 13, the mouth of pipe place at tubing string 13 top is provided with dust cap 5, dust cap 5 removably connects relative to the mouth of pipe, dust cap 5 is hinged with the side of the mouth of pipe, the position of tubing string 13 mouth of pipe of dust cap 5 correspondence is provided with annular groove 6, and mouth of pipe place is provided with dust cap 5 fixed structure.
Dust cap 5 fixed structure includes locating piece 7 and right angle rack latch 9, locating piece 7 is provided on dust cap 5, locating piece 7 is provided with draw-in groove 8, described right angle rack latch 9 is rotationally connected relative to tubing string 13, cone shape baffle plate 11 it is provided with in stigma 4, the sidewall of baffle plate 11 is equidistantly provided with crack, and the lateral wall of tubing string 13 is provided with antiskid particles 10, is filled with rubber layer 12 in groove.
Solid phase extraction column is a kind of device being easily separated for target compound or component, purify and being enriched with in liquid phase chromatography detection method, generally adopts plastics or glass to make.Its one end is charge door, and sample is put into from charge door；The other end is external diameter is the standard stigma of 4mm.Stigma inserts in the through hole of vacuum tank case lid, and vacuum tank connects vacuum pump.When vacuum pump has extracted the air in vacuum tank, to form negative pressure at stigma place.And the air extractors such as vacuum pump can be connected, to form negative pressure at stigma place.Sample passes through Solid-Phase Extraction (Solid-PhaseExtraction, SPE) filler, utilizes adsorption stuffing the target components in sample to be adsorbed, separates with the target components of sample and interfering component, then utilize elution, reach to separate and be enriched with the purpose of target components.
The solid phase extraction column of this utility model structure, small column for solid phase extraction processing is provided with a dust cap near the longitudinal end relative with stigma, before sample adds, can be taken out from the mouth of pipe by dust cap, join after in pillar until sample, place dust cap.Thus preventing sample when evacuation processes, the impurity in pillar extraneous air enters column jecket internal contamination sample from post mouth.And this simple in construction, is suitable for solid phase extraction column and uses in adverse circumstances, improve the purity of Solid-Phase Extraction thing, improve the degree of accuracy of liquid-phase chromatographic analysis.
Dust cap fixed structure, conveniently dust cap is positioned, prevent it from opening, being provided with cone shape baffle plate in stigma, the sidewall of baffle plate is equidistantly provided with crack, it is ensured that the sealing at stigma place, prevent liquid to be detected from spilling from stigma, being filled with rubber layer in groove and ensure sealing, the lateral wall of tubing string is provided with antiskid particles, tubing string of conveniently taking.
Above-described is only preferred implementation of the present utility model; it should be pointed out that, for the person of ordinary skill of the art, under the premise creating design without departing from this utility model; can also making some deformation and improvement, these broadly fall into protection domain of the present utility model.
Claims (5)
1. a SWCN solid phase extraction column, including tubing string, it is characterized in that, being provided with upper sieve plate, single-walled nanotube packing layer and lower sieve plate in described tubing string from top to bottom, the bottom of tubing string is provided with the stigma communicated with tubing string, and the mouth of pipe place at tubing string top is provided with dust cap, dust cap removably connects relative to the mouth of pipe, dust cap is hinged with the side of the mouth of pipe, and the position of the tubing string mouth of pipe that dust cap is corresponding is provided with annular groove, and mouth of pipe place is provided with dust cap fixed structure.
2. SWCN solid phase extraction column according to claim 1, it is characterized in that, described dust cap fixed structure includes locating piece and right angle rack latch, and locating piece is provided on dust cap, locating piece is provided with draw-in groove, and described right angle rack latch is rotationally connected relative to tubing string.
3. SWCN solid phase extraction column according to claim 1, it is characterised in that being provided with cone shape baffle plate in described stigma, the sidewall of baffle plate is equidistantly provided with crack.
4. SWCN solid phase extraction column according to claim 1, it is characterised in that the lateral wall of described tubing string is provided with antiskid particles.
5. SWCN solid phase extraction column according to claim 1, it is characterised in that be filled with rubber layer in described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087142.0U CN205340221U (en) | 2016-01-29 | 2016-01-29 | Autophragm carbon nanotube solid -phase extraction pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087142.0U CN205340221U (en) | 2016-01-29 | 2016-01-29 | Autophragm carbon nanotube solid -phase extraction pillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205340221U true CN205340221U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087142.0U Expired - Fee Related CN205340221U (en) | 2016-01-29 | 2016-01-29 | Autophragm carbon nanotube solid -phase extraction pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205340221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490100A (en) * | 2018-02-25 | 2018-09-04 | 云南民族大学 | A kind of small column system of microwave chromatography pre-treatment |
-
2016
- 2016-01-29 CN CN201620087142.0U patent/CN205340221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490100A (en) * | 2018-02-25 | 2018-09-04 | 云南民族大学 | A kind of small column system of microwave chromatography pre-treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160712 Address after: 410007 No. 161, Sha Tong Road, Yuhua District, Hunan, Changsha Patentee after: China Certification & inspection group Hunan Co., Ltd. Address before: 401, room 20, building 122, 410000 Xin Pu, Tianxin District, Changsha, Hunan Patentee before: He Mengqiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |