CN106770818A - A kind of drawing-in type impurity absorption pattern SPE column device - Google Patents
A kind of drawing-in type impurity absorption pattern SPE column device Download PDFInfo
- Publication number
- CN106770818A CN106770818A CN201611097813.2A CN201611097813A CN106770818A CN 106770818 A CN106770818 A CN 106770818A CN 201611097813 A CN201611097813 A CN 201611097813A CN 106770818 A CN106770818 A CN 106770818A
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- China
- Prior art keywords
- sieve plate
- column jecket
- needle
- type impurity
- suction tube
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a kind of drawing-in type impurity absorption pattern SPE column device, including column jecket, needle holder, syringe needle and needle cover, the front end of the column jecket is provided with needle holder, screen pack is provided with the needle holder, the needle holder front end is provided with syringe needle, the syringe needle is provided with needle cover, bottom in the column jecket is provided with lower sieve plate, filler is provided with above the lower sieve plate, described filler is set to multi-walled carbon nano-tubes, upper sieve plate is provided with above described filler, the aperture of the upper sieve plate and lower sieve plate is respectively less than the aperture of filler, the column jecket is connected by catheter with suction tube, the piston that can be moved along its axis is provided with the suction tube, piston rod is fixedly connected with the other end of the piston.The present invention can be under conditions of without auxiliary equipment, while purifying the various matrix of various toxin, food-safe and agricultural product are detected, also has the advantages that reasonable in design, easy to operate and use are flexible, it is easy to popularization and application.
Description
Technical field
The present invention relates to safety detection technology field, specially a kind of drawing-in type impurity absorption pattern solid-phase extraction column dress
Put.
Background technology
Solid-phase extraction column, is a kind of sample pre-treatments dress for extracting, separating, concentrate developed from chromatographic column
Put.Nowadays, solid phase extraction techniques have been used extensively in many GBs and industry analysis standard.Solid phase extraction techniques
Based on liquid-solid phase chromatographic theory, sample is enriched with by the way of selective absorption, selective elution, is separated, is purified,
It is that one kind includes liquid phase and solid phase physics extraction process；It can also approx be regarded as a kind of simple chromatographic process.Mainly
Be applied to various food, agricultural and animal products, environmental sample and in biological sample target compound sample pre-treatments.
At present, the method to multicomponent residue detections such as the agricultural chemicals and mycotoxin in agricultural product, feed and food is usual
It is that purified treatment is carried out to sample extracting solution using impurity absorption pattern.General way is first to pass through fluid sample solution
Adsorbent, retains wherein measured matter, then washes away impurity from appropriate strength solvents, and then with a small amount of solvent, wash-out is tested rapidly
Material, so as to complete isolation of purified with concentration.But, this method has the following disadvantages：One is comparatively laborious operating process, is led
Cause inefficiency；Two is existing solid-phase extraction column high cost, and mostly for the net of a certain toxin or a certain matrix
Change, it is impossible to realize the purpose that various toxin or various matrix are purified simultaneously.
The content of the invention
It is an object of the invention to provide a kind of drawing-in type impurity absorption pattern SPE column device, can be without auxiliary
Help under conditions of equipment, while the various matrix of various toxin are purified, and it is simple to operate, using flexible, solve above-mentioned background
Problem proposed in technology.
To achieve the above object, the present invention provides following technical scheme：A kind of drawing-in type impurity absorption pattern SPE
Column device, including column jecket, needle holder, syringe needle and needle cover, the front end of the column jecket are provided with needle holder, are provided with the needle holder
Filter screen, the needle holder front end is provided with syringe needle, and the syringe needle is provided with needle cover, and the bottom in the column jecket is provided with lower sieve plate, institute
State and filler is provided with above lower sieve plate, described filler is set to multi-walled carbon nano-tubes, and upper sieve plate is provided with above described filler, described
The aperture of upper sieve plate and lower sieve plate is respectively less than the aperture of filler, and the column jecket is connected by catheter with suction tube, described to take out
The piston that can be moved along its axis is provided with suction pipe, piston rod is fixedly connected with the other end of the piston.
Preferably, the column jecket and suction tube are made by high purity polypropylene material.
Preferably, the upper sieve plate and lower sieve plate are made by high-molecular polythene material, and upper sieve plate and lower sieve
Plate and column jecket interference fit.
Preferably, the outer peripheral face of the piston is resisted against on the inwall of column jecket.
Preferably, the catheter is with column jecket and suction tube and is detachably connected.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention can simultaneously purify the various matrix of various toxin by setting multi-wall carbon nano-tube tube packing, reduce cost,
Improve operating efficiency.
2nd, the present invention can effectively prevent sorbing material to be mixed into scavenging solution by setting upper sieve plate, lower sieve plate and screen pack,
Can be under conditions of without auxiliary equipment, food-safe and agricultural product are detected that reasonable in design is easy to operate.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure：1- column jeckets, 2- needle holders, 3- syringe needles, 4- needle covers, 5- screen packs, sieve plate under 6-, 7- fillers, 8- upper sieve plates,
9- pistons, 10- piston rods, 11- suction tubes, 12- catheters.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, the present invention provides a kind of drawing-in type impurity absorption pattern solid-phase extraction column device technique scheme：It is a kind of
Drawing-in type impurity absorption pattern SPE column device, including column jecket 1, needle holder 2, syringe needle 3 and needle cover 4, the column jecket 1 and take out
Suction pipe 11 is made by high purity polypropylene material, and the front end of the column jecket 1 is provided with needle holder 2, the needle holder 2 and is provided with
Screen pack 5, to contaminant filter larger in sample to be clean, the front end of the needle holder 2 is provided with syringe needle 3, and the syringe needle 3 is provided with
Needle cover 4, the needle cover 4 can play a protective role to syringe needle 3, and the bottom in the column jecket 1 is provided with lower sieve plate 6, the lower sieve plate 6
Top is provided with filler 7, and described filler 7 is set to multi-walled carbon nano-tubes, for purifying the various matrix of various toxin, described filler simultaneously
7 top is provided with upper sieve plate 8, and the upper sieve plate 8 and lower sieve plate 6 are made by high-molecular polythene material, and upper sieve plate 8
With lower sieve plate 6 and the interference fit of column jecket 1, the aperture of the upper sieve plate 8 and lower sieve plate 6 is respectively less than the aperture of filler 7, can effectively prevent
Only sorbing material is mixed into scavenging solution, can be under conditions of without auxiliary equipment, and food-safe and agricultural product are detected,
The column jecket 1 is connected by catheter 12 with suction tube 11, and the piston that can be moved along its axis is provided with the suction tube 11
9, the outer peripheral face of the piston 9 is resisted against on the inwall of suction tube 11, and piston is fixedly connected with the other end of the piston 9
Bar 10, the catheter 12 is and is detachably connected with column jecket 1 and suction tube 11.
Operation principle：First needle cover 4 is removed, then syringe needle 3 is inserted vertically into the extract solution of sample to be clean, then,
Be displaced outwardly with piston 9 by pulling out piston rod 10, then negative pressure formed in column jecket 1 so that sample extracting solution according to
It is secondary to be entered into column jecket 1 by syringe needle 3, needle holder 2, lower sieve plate 6, filler 7 and upper sieve plate 8, you can be purified liquid, and only
Liquid after change is entered into suction tube 11 by catheter 12, finally, column jecket 1 and catheter 12 is disassembled to come, and will lead
Liquid pipe 12 is inserted into connecing liquid container, then promotes piston rod 10 so that the scavenging solution in suction tube 11 is in malleation and the work of gravity
Entered under in connecing liquid container, it is final to realize to sample extracting solution fast purification and separate purpose.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of drawing-in type impurity absorption pattern SPE column device, including column jecket（1）, needle holder（2）, syringe needle（3）And pin
Lid（4）, it is characterised in that：The column jecket（1）Front end be provided with needle holder（2）, the needle holder（2）Inside it is provided with screen pack（5）,
The needle holder（2）Front end is provided with syringe needle（3）, the syringe needle（3）It is provided with needle cover（4）, the column jecket（1）Interior bottom is provided with
Lower sieve plate（6）, the lower sieve plate（6）Top be provided with filler（7）, described filler（7）It is set to multi-walled carbon nano-tubes, described filler
（7）Top be provided with upper sieve plate（8）, the upper sieve plate（8）With lower sieve plate（6）Aperture be respectively less than filler（7）Aperture, it is described
Column jecket（1）By catheter（12）With suction tube（11）It is connected, the suction tube（11）Inside it is provided with what can be moved along its axis
Piston（9）, the piston（9）Other end on be fixedly connected with piston rod（10）.
2. a kind of drawing-in type impurity absorption pattern SPE column device according to claim 1, it is characterised in that：It is described
Column jecket（1）And suction tube（11）It is made by high purity polypropylene material.
3. a kind of drawing-in type impurity absorption pattern SPE column device according to claim 1, it is characterised in that：It is described
Upper sieve plate（8）With lower sieve plate（6）It is made by high-molecular polythene material, and upper sieve plate（8）With lower sieve plate（6）With column jecket
（1）Interference fit.
4. a kind of drawing-in type impurity absorption pattern SPE column device according to claim 1, it is characterised in that：It is described
Piston（9）Outer peripheral face be resisted against suction tube（11）Inwall on.
5. a kind of drawing-in type impurity absorption pattern SPE column device according to claim 1, it is characterised in that：It is described
Catheter（12）With column jecket（1）And suction tube（11）It is and is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097813.2A CN106770818A (en) | 2016-12-03 | 2016-12-03 | A kind of drawing-in type impurity absorption pattern SPE column device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097813.2A CN106770818A (en) | 2016-12-03 | 2016-12-03 | A kind of drawing-in type impurity absorption pattern SPE column device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106770818A true CN106770818A (en) | 2017-05-31 |
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ID=58884324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611097813.2A Pending CN106770818A (en) | 2016-12-03 | 2016-12-03 | A kind of drawing-in type impurity absorption pattern SPE column device |
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| Country | Link |
|---|---|
| CN (1) | CN106770818A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469406A (en) * | 2017-09-08 | 2017-12-15 | 中国热带农业科学院分析测试中心 | One kind pressurization solid-phase extraction device |
| CN109541088A (en) * | 2018-11-28 | 2019-03-29 | 北京农业质量标准与检测技术研究中心 | A kind of purification method of patulin, solid-phase extraction column and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638742A (en) * | 2013-12-06 | 2014-03-19 | 中国农业科学院农产品加工研究所 | Filtration and purification integrated filter, device and filtration and purification integrated method |
| CN204051063U (en) * | 2014-08-19 | 2014-12-31 | 中国农业科学院农业质量标准与检测技术研究所 | A kind of drawing-in type impurity absorption pattern SPE column device |
| CN104931627A (en) * | 2015-05-18 | 2015-09-23 | 上海市农业科学院 | Solid-phase extraction column and application thereof |
-
2016
- 2016-12-03 CN CN201611097813.2A patent/CN106770818A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638742A (en) * | 2013-12-06 | 2014-03-19 | 中国农业科学院农产品加工研究所 | Filtration and purification integrated filter, device and filtration and purification integrated method |
| CN204051063U (en) * | 2014-08-19 | 2014-12-31 | 中国农业科学院农业质量标准与检测技术研究所 | A kind of drawing-in type impurity absorption pattern SPE column device |
| CN104931627A (en) * | 2015-05-18 | 2015-09-23 | 上海市农业科学院 | Solid-phase extraction column and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469406A (en) * | 2017-09-08 | 2017-12-15 | 中国热带农业科学院分析测试中心 | One kind pressurization solid-phase extraction device |
| CN107469406B (en) * | 2017-09-08 | 2018-06-22 | 中国热带农业科学院分析测试中心 | A kind of pressurization solid-phase extraction device |
| CN109541088A (en) * | 2018-11-28 | 2019-03-29 | 北京农业质量标准与检测技术研究中心 | A kind of purification method of patulin, solid-phase extraction column and its application |
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Application publication date: 20170531 |
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