CN202256275U - Suction type nano-fiber filling device for solid-phase extraction column - Google Patents
Suction type nano-fiber filling device for solid-phase extraction column Download PDFInfo
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- CN202256275U CN202256275U CN2011203515660U CN201120351566U CN202256275U CN 202256275 U CN202256275 U CN 202256275U CN 2011203515660 U CN2011203515660 U CN 2011203515660U CN 201120351566 U CN201120351566 U CN 201120351566U CN 202256275 U CN202256275 U CN 202256275U
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- phase extraction
- extraction column
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Abstract
The utility model discloses a suction type nano-fiber filling device for a solid-phase extraction column, which comprises a pressure tank (1) arranged in a seal mode and is characterized in that a seal block (2) for fixing the solid-phase extraction column (4) is arranged at a tank opening of the pressure tank (1), a negative pressure extracting device (3) is arranged on the outer side of the pressure tank (1), and the negative pressure extracting device (3) is communicated with the inside of the pressure tank (1) to achieve negative pressure suction. The solid-phase extraction column after being filled has the same degree of tightness, efficiency of filling operation is greatly improved, and procedures of the manual filling operation are reduced, thereby easily achieving batch production.
Description
Technical field
The invention belongs to separation technology field, be specifically related to a kind of aspiration-type nanofiber solid-phase extraction column filling device and application thereof.
Background technology
SPE (Solid-Phase Extraction; Be called for short SPE) be a kind of effective trace or trace materials isolation of purified means; Be the developed recently a kind of sample pretreatment technology of getting up,, be mainly used in separation, the purifying and concentrated of sample by the development that combines of liquid-solid extraction and column liquid chromatographic technology; Compare with the traditional ones method and can improve the recovery of analyte; More effective analyte is separated with interfering component, reduces the sample pretreatment process, simple to operate, save time, laborsaving.Be applied in fields such as medicine, food, environment, commodity inspection, chemical industry widely.
The nanofiber solid phase extraction techniques is a combining nano technology and a kind of new technology of solid phase extraction techniques, have handle the sample time short, the solvent for use amount is few, the characteristics of applied range.Because the diameter of nanofiber is a nanoscale, and its length is micron, centimetre even longer, mostly its material is macromolecular material; And lighter weight is when filling solid-phase extraction column, because factor affecting such as static; Do not have traditional sphere material convenient, the present invention comes therefrom.
Summary of the invention
The object of the invention is to provide a kind of aspiration-type nanofiber solid-phase extraction column filling device, problem such as the effect instability that solid-phase extraction column is difficult to fill or fill when having solved nanofiber SPE in the prior art, fill process inconvenience.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of aspiration-type nanofiber solid-phase extraction column filling device; Comprise the head tank that sealing is provided with; It is characterized in that said head tank notch is provided with the fixedly sealing block of solid-phase extraction column; Said head tank arranged outside negative pressure extracting device, said negative pressure extracting device aspirates with the interior negative pressure that is communicated with of head tank.
Optimized technical scheme is: a kind of aspiration-type nanofiber solid-phase extraction column filling device; Comprise the head tank that sealing is provided with; It is characterized in that said head tank notch is provided with the fixedly sealing block of solid-phase extraction column; Said head tank arranged outside negative pressure extracting device, said negative pressure extracting device aspirates with the interior negative pressure that is communicated with of head tank; Several fixed orifices are set on the said sealing block, said solid-phase extraction column and fixed orifice matching and fixing, the extraction passage is communicated with head tank in the said solid-phase extraction column.
Optimized technical scheme is: a kind of aspiration-type nanofiber solid-phase extraction column filling device; Comprise the head tank that sealing is provided with; It is characterized in that said head tank notch is provided with the fixedly sealing block of solid-phase extraction column; Said head tank arranged outside negative pressure extracting device, said negative pressure extracting device aspirates with the interior negative pressure that is communicated with of head tank; Several fixed orifices are set on the said sealing block, said solid-phase extraction column and fixed orifice matching and fixing, the extraction passage is communicated with head tank in the said solid-phase extraction column; Said negative pressure extracting device is an air pump.
Another object of the present invention is to provide a kind of aspiration-type nanofiber solid-phase extraction column filling device in the application of carrying out aspiration-type nanofiber SPE column filling, it is characterized in that said application process may further comprise the steps:
(1) solid-phase extraction column is fixed on the described aspiration-type nanofiber of the claim 1 solid-phase extraction column filling device;
(2) nanofiber is immersed in the filling liquid; Then filling liquid and wherein nanofiber are packed in the solid-phase extraction column;
(3) start the negative pressure extracting device, in head tank, attract solid-phase extraction column, and introduce continuous filling liquid in the solid-phase extraction column upper end with constant compression force; When the filling liquid in the solid-phase extraction column no longer flows down, end-of-fill; Then populated nanofiber solid-phase extraction column is drained and get final product.
Preferably, the filling liquid that adopts in the said application is selected from a kind of liquid or the mixing material of water, methyl alcohol, ethanol.
When specifically carrying out padding, earlier nanofiber is immersed in the filling liquid; Then filling liquid and wherein nanofiber are packed in the solid-phase extraction column; In the solid-phase extraction column lower end, attract with constant compression force, and introduce continuous filling liquid in the upper end; Under the attraction of constant pressure, when filling liquid no longer flows down, end-of-fill; Populated nanofiber solid-phase extraction column is drained.
Wherein, filling liquid can be any nanofiber institute's static electrification and can not be with the liquid or the mixed solution of nanofiber dissolving can removed such as water, methyl alcohol, ethanol.
Solid-phase extraction column fill method of the present invention through negative pressure sucktion type nanofiber SPE column filling, has solved in the present nanofiber solid-phase extraction column filling process and has been easy to generate static, elasticity is wayward, is difficult for deficiencies such as automation mechanized operation.
With respect to scheme of the prior art, advantage of the present invention is:
Technical scheme of the present invention adopts aspiration-type nanofiber solid-phase extraction column filling device to carry out the filling operation of solid-phase extraction column; Because vacuum suction is filled; Solid-phase extraction column after the filling has identical elasticity, and nanofiber can not adhere to extraction column, has significantly reduced the time of filling; The manually-operated step of filling operation is less, and robotization easily is easy to realize producing in batches.When specifically filling, the existence of filling liquid can be removed nanofiber institute static electrification, avoids nanofiber and SPE column jecket direct attraction and repulsive interaction owing to generation of static electricity in the filling process; Lower end at solid-phase extraction column attracts with constant compression force, can guarantee that populated solid-phase extraction column has identical elasticity; Owing to removed static, nanofiber can not be adsorbed in tube wall etc., has significantly reduced the time of filling; Because the manually-operated step of whole process need is less, and process such as topples over and be easy to realize, so the method robotization more easily with machinery; Be easy to realize producing in batches.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structural representation of embodiment of the invention aspiration-type nanofiber solid-phase extraction column filling device;
Wiring layout when Fig. 2 carries out padding for embodiment of the invention aspiration-type nanofiber solid-phase extraction column filling device;
Wherein: 1 is head tank; 2 is sealing block; 3 is negative pressure extracting device (being air pump among the embodiment); 4 is solid-phase extraction column, and 21 is fixed orifice.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment
As shown in Figure 1; This aspiration-type nanofiber solid-phase extraction column filling device; Comprise the head tank 1 that sealing is provided with; Said head tank 1 notch is provided with the fixedly sealing block 2 of solid-phase extraction column 4, said head tank 1 arranged outside negative pressure extracting device 3, and said negative pressure extracting device 3 aspirates with the head tank 1 interior negative pressure that is communicated with.
Several fixed orifices 21 are set on the said sealing block 2, said solid-phase extraction column 4 and fixed orifice 21 matching and fixing, the extraction passage is communicated with head tank in the said solid-phase extraction column 4.Said negative pressure extracting device 3 is an air pump.
As shown in Figure 2, earlier solid-phase extraction column is fixed on the aspiration-type nanofiber solid-phase extraction column filling device when carrying out aspiration-type nanofiber SPE column filling; Nanofiber is immersed in the filling liquid; Then filling liquid and wherein nanofiber are packed in the solid-phase extraction column; Start the negative pressure extracting device, in head tank, attract solid-phase extraction column, and introduce continuous filling liquid in the solid-phase extraction column upper end with constant compression force; When the filling liquid in the solid-phase extraction column no longer flows down, end-of-fill; Then populated nanofiber solid-phase extraction column is drained and get final product.
The filling of application examples nanofiber solid-phase extraction column
Polystyrene (PS) nanofiber is immersed in the filling liquid ethanol; The ethanol filling liquid that will contain the pipe/polyhenylethylene nano fiber is poured in the solid-phase extraction column; And attract with the air pump of the constant pressure lower end in solid-phase extraction column, and topple over ethanol continuously in the upper end, treat that ethanolic solution is not when flowing down; Take off solid-phase extraction column, drying.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (3)
1. aspiration-type nanofiber solid-phase extraction column filling device; Comprise the head tank (1) that sealing is provided with; It is characterized in that said head tank (1) notch is provided with the fixedly sealing block (2) of solid-phase extraction column (4); Said head tank (1) arranged outside negative pressure extracting device (3), said negative pressure extracting device (3) aspirates with the interior negative pressure that is communicated with of head tank (1).
2. aspiration-type nanofiber solid-phase extraction column filling device according to claim 1; It is characterized in that being provided with on the said sealing block (2) several fixed orifices (21); The extraction passage is communicated with head tank in the said solid-phase extraction column (4) and fixed orifice (21) matching and fixing, said solid-phase extraction column (4).
3. aspiration-type nanofiber solid-phase extraction column filling device according to claim 1 is characterized in that said negative pressure extracting device (3) is an air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203515660U CN202256275U (en) | 2011-09-20 | 2011-09-20 | Suction type nano-fiber filling device for solid-phase extraction column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203515660U CN202256275U (en) | 2011-09-20 | 2011-09-20 | Suction type nano-fiber filling device for solid-phase extraction column |
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| Publication Number | Publication Date |
|---|---|
| CN202256275U true CN202256275U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203515660U Expired - Fee Related CN202256275U (en) | 2011-09-20 | 2011-09-20 | Suction type nano-fiber filling device for solid-phase extraction column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430268A (en) * | 2011-09-20 | 2012-05-02 | 苏州东奇生物科技有限公司 | Filling device of suction nanometer fiber solid phase extraction column and application thereof |
-
2011
- 2011-09-20 CN CN2011203515660U patent/CN202256275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430268A (en) * | 2011-09-20 | 2012-05-02 | 苏州东奇生物科技有限公司 | Filling device of suction nanometer fiber solid phase extraction column and application thereof |
| CN102430268B (en) * | 2011-09-20 | 2014-04-02 | 苏州东奇生物科技有限公司 | Filling device of suction nanometer fiber solid phase extraction column and application thereof |
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| 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: 20120530 Termination date: 20140920 |
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| EXPY | Termination of patent right or utility model |