CN203196378U - Foldable solid-phase extraction device - Google Patents
Foldable solid-phase extraction device Download PDFInfo
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- CN203196378U CN203196378U CN 201320221279 CN201320221279U CN203196378U CN 203196378 U CN203196378 U CN 203196378U CN 201320221279 CN201320221279 CN 201320221279 CN 201320221279 U CN201320221279 U CN 201320221279U CN 203196378 U CN203196378 U CN 203196378U
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- phase extraction
- extraction column
- baffle plate
- push rod
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Abstract
The utility model provides a foldable solid-phase extraction device which comprises a support (4), a solid-phase extraction unit, a sectional type air pressurizer (2) and a receiving unit, wherein the support (4) is a foldable support; the solid-phase extraction unit comprises a solid-phase extraction column (3) and a solid-phase extraction column baffle (1), the solid-phase extraction column baffle (1) is provided with a plurality of first through holes, and the solid-phase extraction column (3) is matched with the first through holes; the sectional type air pressurizer (2) comprises an air cylinder (10) and a piston push rod (9), the air cylinder (10) is sleeved on the periphery of the piston push rod (9) in a penetrating mode, and the lower end of the air cylinder (10) is connected with the upper end of the solid-phase extraction column (3) in a sleeved mode; the receiving unit is located below the solid-phase extraction unit and comprises a receiving pipe baffle (5) and a waste liquid tank (6), and the receiving pipe baffle (5) is located above the waste liquid tank (6). The foldable solid-phase extraction device is economical, practical and efficient, and protects the environment.
Description
Technical field
The utility model relates to a kind of solid absorbent that utilizes sample is carried out pretreated solid-phase extraction device, particularly a kind of dismountable portable solid-phase extraction device.
Background technology
Modern analytical technique develops towards quick, trace, trace, multicomponent, high selectivity direction, and various novel precise instruments emerge in an endless stream, and sample pretreatment process has also been proposed more and more higher requirement.Yet, analysis operation time 60% in addition mostly be to be used in the pre-treatment of sample, test error is also mostly from sample pretreatment process.SPE (SPE) is a kind of effective trace or trace materials isolation of purified means, present commodity extraction column great majority adopt the granulated filler (about 30-60 μ m) in the liquid chromatogram, the cylinder material mostly is plastics (being generally polypropylene), glass and stainless steel, and all there are porous filter disc, interior filling material gross weight 0.1-1g in two ends.When using the cylindricality solid-phase extraction device, generally steps such as the sorption extraction of activated, sample, wash-out are with the determinand wash-out and be collected in the organic solvent of minimum volume (several milliliters), are concentrated into more small size for analysis with the nitrogen stripping again.With respect to traditional solution extraction method, the SPE consumption of organic solvent reduces to some extent.The used device of SPE and device generally comprise solid-phase extraction column and solid-phase extraction device.Solid-phase extraction column normally is filled with cylindricality or the dish of micron particles adsorbent, solid-phase extraction device generally adopts the drawing-in type working method, therefore except the main part that is equipped with the ability negative pressure, also need be furnished with accessories such as vavuum pump, blow-dry device, inertia source of the gas, high volume sampler and surge flask, the various complexity of these corollary apparatus, and need the power support.Occurring a kind of in recent years is solid-phase extraction column (the Packed-Fiber Solid-Phase Extraction of adsorbent with the nano material, PFSPE, be in 200510123148.5 announcement to be arranged in the patent No.), nano material is different from micron particles shape filler commonly used, existing solid-phase extraction device and inapplicable is so need develop a kind of solid-phase extraction device of economical and practical, environment-friendly high-efficiency at the nano material solid-phase extraction column.
At the problems referred to above, the exploitation of economical and practical portable solid-phase extraction device is with necessary property.
The utility model content
Provide a kind of collapsible solid-phase extraction device at above problem the utility model, comprised, support 4 is folding-type cradle; The SPE unit comprises solid-phase extraction column 3 and solid-phase extraction column baffle plate 1, and described solid-phase extraction column baffle plate 1 is provided with some first through holes, and described solid-phase extraction column 3 is complementary with described first through hole; Segmented air pressurized device 2 comprises inflator 10 and piston push rod 9, and described inflator 10 is set on described piston push rod 9 peripheries, described inflator 10 lower ends and the 3 upper end sockets of described solid-phase extraction column; Receiving element is positioned at below, described SPE unit, comprises receiving tube baffle plate 5 and waste liquid tank 6, and described receiving tube baffle plate 5 is positioned at described waste liquid tank 6 tops; Wherein, described support 4 tops arrange described solid-phase extraction column baffle plate 1, and the middle part arranges described receiving tube baffle plate 5, and the bottom arranges described waste liquid tank 6.
Preferably, described a kind of collapsible solid-phase extraction device, wherein said inflator 9 upper ends are connected with movable buckle 8 by an elastic device, and described movable buckle 8 is complementary with the groove that is positioned on the described piston push rod 9; Described piston push rod 9 is provided with some grooves, and described groove all is positioned at the same side of described piston push rod 9.
Preferably, described a kind of collapsible solid-phase extraction device, wherein said elastic device is volute spring 11, described volute spring 11 is fixed on described inflator 10 both wings by nut.
Preferably, described a kind of collapsible solid-phase extraction device, wherein said receiving tube baffle plate 5 is provided with some second through holes, and described second through hole and described receiving tube are complementary.
The disclosed a kind of collapsible solid-phase extraction device of the utility model both can be handled single sample, also can realize the batch process of sample in conjunction with described support 4; Described portable solid-phase extraction device energy consumption easy to use, with low cost, no, safety and environmental protection, but when effectively solving problems such as existing instrument is expensive, complex operation batch process sample again, save manpower.
Description of drawings
Fig. 1 is a kind of collapsible solid-phase extraction device structural representation described in the utility model;
Fig. 2 is a kind of collapsible solid-phase extraction device segmented air pressurized device front elevation described in the utility model;
Fig. 3 is a kind of collapsible solid-phase extraction device segmented air pressurized device side view described in the utility model;
Fig. 4 is a kind of collapsible solid-phase extraction device segmented air pressurized device back view described in the utility model:
Fig. 5 is a kind of collapsible solid-phase extraction device segmented air pressurized device cross-sectional view described in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, can implements according to this with reference to the specification literal to make those skilled in the art.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of collapsible solid-phase extraction device that the utility model provides comprises, support 4 is folding-type cradle 4; Segmented air pressurized device 2 comprises inflator 9 and piston push rod 9, and described inflator 9 is set on described piston push rod 9 outsides; The SPE unit comprises solid-phase extraction column 3 and solid-phase extraction column baffle plate 1, and described solid-phase extraction column baffle plate 1 is provided with some first through holes, and described solid-phase extraction column 3 is complementary with described first through hole; Receiving element comprises receiving tube baffle plate 5 and waste liquid tank 6, and described receiving tube baffle plate 5 is positioned at described waste liquid tank 6 tops; Wherein, described solid-phase extraction column baffle plate 1 is placed on described support 4 tops, and described receiving tube baffle plate 5 is placed at the middle part, and described waste liquid tank 6 is placed in the bottom.Described inflator 9 upper ends are connected with movable buckle 8 by an elastic device, and described movable buckle 8 is complementary with the groove that is positioned on the described piston push rod 9; Described piston push rod 9 is provided with some grooves, and described groove all is positioned at the same side of described piston push rod 9.Described elastic device is volute spring 11, and described volute spring 11 is fixed on described inflator 10 both wings by nut.Described receiving tube baffle plate 5 is provided with some second through holes, and described second through hole and described receiving tube are complementary.
Described a kind of collapsible solid-phase extraction device uses segmented air pressurized device 2 to pressurize, both controlled pressures as required, and that can carry out sample again fast crosses post, washing and wash-out.Piston push rod 9 tops of described segmented air pressurized device 2 become D shape, and breach side and movable buckle 8 are positioned at the same side, so that when piston push rod 9 was shifted the bottom onto, movable buckle 8 automatic fastening piston push rods 9 were as Fig. 3.Movable buckle 8 is fixed on inflator 9 both wings by nut, and volute spring is equipped with in the buckle both sides, can make movable buckle 8 bales catch on draw-in groove 7 or piston push rod 9.During pushing piston push rod 9, movable buckle 8 can be stuck in corresponding draw-in groove 7 positions automatically, the pressure that the user can be as required, select the proper compression volume, by movable buckle 8 fixed pistons, do not need just can reach the purpose of persistent pressure with hand-held continuous pushing piston push rod 9.On the piston push rod 9, except draw-in groove 7 one sides, the surface of other faces is smooth, push rod can rotate arbitrarily simultaneously, when needs are pulled out piston push rod 9, can rotate to movable buckle 8 homonymies to other faces, just can pull out push rod easily, prepare the pressurization of next round.
During use described solid-phase extraction column baffle plate 1 and described support 4 are assembled, removable placement is with conserve space when not using.Described receiving element size dimension is slightly less than described support 4, and described support 4 can be set up in its top just, and described first through hole is corresponding one by one with described second through hole.Described receiving tube baffle plate 5 can take off to load or take out receiving tube from waste liquid tank 6, the front end of solid-phase extraction column 3 passes the solid-phase extraction column baffle plate 1 vertical placement corresponding hole on the receiving tube baffle plate 5 that can align, or alignment places receiving tube on the hole, is convenient to discarding or collecting of post liquid.
Activation: activating solution is added described solid-phase extraction column 3, described solid-phase extraction column 3 is connected with described segmented air pressurized device 2, be inserted on the SPE frame that assembles, press piston push rod 9 according to the pressurization demand, and be stuck in movable buckle 8 on the respective card slot 7 or be buckled in piston push rod 9 tops so that persistent pressure, all flow out until activating solution, at this moment, discard solution splashes into described waste liquid tank 6.Operate other solid-phase extraction columns 3 one by one with method.
Cross post: solid-phase extraction column 3 and segmented air pressurized device 2 are separated, and extracting sample solution adds the good solid-phase extraction column 3 of activation, and with the method pressurization, when sample liquid flow through solid-phase extraction column 3, object was attracted on the nano material solid absorbent.
Wash-out: the receiving tube that will the collect eluent receiving tube baffle plate 5 of packing into one by one, eluent is added solid-phase extraction column 3, connect segmented air pressurized device 2, the pressurization wash-out.Directly get appropriate amount of fluid after wash-out is intact and inject the analytical instrument detection.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and the embodiment, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (4)
1. a collapsible solid-phase extraction device is characterized in that, comprise,
Support (4) is folding-type cradle;
The SPE unit comprises solid-phase extraction column (3) and solid-phase extraction column baffle plate (1), and described solid-phase extraction column baffle plate (1) is provided with some first through holes, and described solid-phase extraction column (3) is complementary with described first through hole;
Segmented air pressurized device (2) comprises inflator (10) and piston push rod (9), and described inflator (10) is set on described piston push rod (9) periphery, described inflator (10) lower end and described solid-phase extraction column (3) upper end socket;
Receiving element is positioned at below, described SPE unit, comprises receiving tube baffle plate (5) and waste liquid tank (6), and described receiving tube baffle plate (5) is positioned at described waste liquid tank (6) top;
Wherein, described support (4) top arranges described solid-phase extraction column baffle plate (1), and the middle part arranges described receiving tube baffle plate (5), and the bottom arranges described waste liquid tank (6).
2. a kind of collapsible solid-phase extraction device according to claim 1, it is characterized in that, described inflator (10) upper end is connected with movable buckle (8) by an elastic device, and described movable buckle (8) is complementary with the groove that is positioned on the described piston push rod (9); Described piston push rod (9) is provided with some grooves, and described groove all is positioned at the same side of described piston push rod (9).
3. a kind of collapsible solid-phase extraction device according to claim 2 is characterized in that, described elastic device is volute spring (11), and described volute spring (11) is fixed on described inflator (10) both wings by nut.
4. a kind of collapsible solid-phase extraction device according to claim 1 is characterized in that, described receiving tube baffle plate (5) is provided with some second through holes, and described second through hole and described receiving tube are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221279 CN203196378U (en) | 2013-04-26 | 2013-04-26 | Foldable solid-phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221279 CN203196378U (en) | 2013-04-26 | 2013-04-26 | Foldable solid-phase extraction device |
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| Publication Number | Publication Date |
|---|---|
| CN203196378U true CN203196378U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320221279 Expired - Fee Related CN203196378U (en) | 2013-04-26 | 2013-04-26 | Foldable solid-phase extraction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244417A (en) * | 2016-08-01 | 2016-12-21 | 通用生物系统（安徽）有限公司 | A kind of device for a large amount of plasmid extraction of high flux and manufacture method thereof |
-
2013
- 2013-04-26 CN CN 201320221279 patent/CN203196378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106244417A (en) * | 2016-08-01 | 2016-12-21 | 通用生物系统（安徽）有限公司 | A kind of device for a large amount of plasmid extraction of high flux and manufacture method thereof |
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| 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: 20130918 Termination date: 20150426 |
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| EXPY | Termination of patent right or utility model |