CN103575829A - A solid-phase extraction device - Google Patents
A solid-phase extraction device Download PDFInfo
- Publication number
- CN103575829A CN103575829A CN201210258887.5A CN201210258887A CN103575829A CN 103575829 A CN103575829 A CN 103575829A CN 201210258887 A CN201210258887 A CN 201210258887A CN 103575829 A CN103575829 A CN 103575829A
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- China
- Prior art keywords
- solid
- phase extraction
- extraction device
- hollow sleeve
- vacuum tank
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Abstract
The invention provides a solid-phase extraction device. The solid-phase extraction device comprises a solid-phase extraction column, a vacuum chamber, a cover plate, an air exhaust pipeline disposed in the side walls of the vacuum chamber, and test tubes disposed in the vacuum chamber, wherein the cover plate is disposed at the top of the vacuum chamber and is provided with a plurality of through holes; and openings of the test tubes are disposed below the through holes. Hollow sleeves are inserted in the through holes. The top ends of the hollow sleeves are connected to the solid-phase extraction column flexibly, and the bottom ends of the hollow sleeves extend into the test tubes. Beneficial effects of the solid-phase extraction device are simple structure, low cost, using convenience, and capability of preventing cross contamination when different solid-phase extraction columns are changed.
Description
Technical field
The present invention relates to chemical analysis instrument field, especially relate to a kind of solid-phase extraction device.
Background technology
Solid-Phase Extraction is developed recently a kind of Sample Pretreatment Technique Used that gets up, by liquid-solid extraction and column liquid chromatographic technology, combine and develop, be mainly used in separation, the purifying and concentrated of sample, compare and can improve the recovery of analyte with traditional liquid-liquid extraction method, more effective that analyte is separated with interfering component, reduce sample pretreatment process, simple to operate, save time, laborsaving.Be applied in widely the fields such as medicine, food, environment, commodity inspection, chemical industry.
Solid-phase extraction device in use in the prior art, between through hole between solid-phase extraction column and vacuum tank cover plate and hole wall, have directly and contact, thereby cause the junction between solid-phase extraction column and through hole to leave residual liquid, when inserting different extraction column in same through hole when, will produce and pollute at the extraction column again inserting, affect the accuracy of final liquid chromatographic detection.
Summary of the invention
The object of this invention is to provide a kind of a kind of solid-phase extraction device that overcomes prior art shortcoming.
Technical scheme of the present invention is:
Solid-phase extraction device, comprise solid-phase extraction column, vacuum tank, be arranged on described vacuum tank top and on it, be provided with the cover plate of some through holes, be arranged on pump-line on described vacuum tank sidewall and be arranged on described vacuum tank inside and opening is positioned at the test tube of described through hole below, in described through hole, be inserted with hollow sleeve, described hollow sleeve top is flexibly connected with described solid-phase extraction column, described in its bottom extends in vitro.
Described hollow sleeve is flexibly connected with the column cap of described solid-phase extraction column, and link is positioned at described vacuum tank outside.
The internal diameter of described hollow sleeve is by top to bottom Stepwize Shrink.
The junction of described hollow sleeve and described through hole is provided with O-ring seal.
The junction of described hollow sleeve and described solid-phase extraction column is provided with O-ring seal.
Advantage and good effect that the present invention has are: simple in structure, cost is low, easy to use, there is cross pollution while preventing from changing different solid-phase extraction column.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure:
1, solid-phase extraction column 2, vacuum tank 3, cover plate
4, pump-line 5, test tube 6, hollow sleeve
7, column cap 8, O-ring seal 9, O-ring seal
10, through hole
Embodiment
As shown in Figure 1, the present invention includes solid-phase extraction column 1, vacuum tank 2, be arranged on described vacuum tank 2 tops and on it, be provided with the cover plate 3 of some through holes 10, be arranged on pump-line on described vacuum tank 2 sidewalls 4 and be arranged on described vacuum tank 2 inside and opening is positioned at the test tube 5 of described through hole 10 belows, in described through hole 10, be inserted with hollow sleeve 6, described hollow sleeve 6 tops are flexibly connected with described solid-phase extraction column 1, and its bottom extends in described test tube 5.
Described hollow sleeve 6 is flexibly connected with the column cap 7 of described solid-phase extraction column 1, and link is positioned at described vacuum tank 2 outsides.
The internal diameter of described hollow sleeve 6 is by top to bottom Stepwize Shrink.
Described hollow sleeve 6 is provided with O-ring seal 8 with the junction of described through hole 10.
Described hollow sleeve 6 is provided with O-ring seal 9 with the junction of described solid-phase extraction column 1.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.
Claims (5)
1. solid-phase extraction device, comprise solid-phase extraction column, vacuum tank, be arranged on described vacuum tank top and on it, be provided with the cover plate of some through holes, be arranged on pump-line on described vacuum tank sidewall and be arranged on described vacuum tank inside and opening is positioned at the test tube of described through hole below, it is characterized in that: in described through hole, be inserted with hollow sleeve, described hollow sleeve top is flexibly connected with described solid-phase extraction column, described in its bottom extends in vitro.
2. solid-phase extraction device according to claim 1, is characterized in that: described hollow sleeve is flexibly connected with the column cap of described solid-phase extraction column, and link is positioned at described vacuum tank outside.
3. solid-phase extraction device according to claim 1, is characterized in that: the internal diameter of described hollow sleeve is by top to bottom Stepwize Shrink.
4. solid-phase extraction device according to claim 1, is characterized in that: the junction of described hollow sleeve and described through hole is provided with O-ring seal.
5. solid-phase extraction device according to claim 1, is characterized in that: the junction of described hollow sleeve and described solid-phase extraction column is provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258887.5A CN103575829A (en) | 2012-07-24 | 2012-07-24 | A solid-phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258887.5A CN103575829A (en) | 2012-07-24 | 2012-07-24 | A solid-phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103575829A true CN103575829A (en) | 2014-02-12 |
Family
ID=50048050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210258887.5A Pending CN103575829A (en) | 2012-07-24 | 2012-07-24 | A solid-phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103575829A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396325A (en) * | 2015-11-28 | 2016-03-16 | 云南省农业科学院农业环境资源研究所 | Solid phase extraction device |
| CN105467047A (en) * | 2015-12-29 | 2016-04-06 | 上海屹尧仪器科技发展有限公司 | Column inserted link sealing system used for full-automatic solid-phase extractor |
| CN105709458A (en) * | 2016-02-03 | 2016-06-29 | 山东交通学院 | Experimental device for conducting solid-phase extraction on blood sample |
-
2012
- 2012-07-24 CN CN201210258887.5A patent/CN103575829A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396325A (en) * | 2015-11-28 | 2016-03-16 | 云南省农业科学院农业环境资源研究所 | Solid phase extraction device |
| CN105467047A (en) * | 2015-12-29 | 2016-04-06 | 上海屹尧仪器科技发展有限公司 | Column inserted link sealing system used for full-automatic solid-phase extractor |
| CN105709458A (en) * | 2016-02-03 | 2016-06-29 | 山东交通学院 | Experimental device for conducting solid-phase extraction on blood sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |