CN203989957U - Drying device is extracted in a kind of SPE - Google Patents
Drying device is extracted in a kind of SPE Download PDFInfo
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- CN203989957U CN203989957U CN201420491171.4U CN201420491171U CN203989957U CN 203989957 U CN203989957 U CN 203989957U CN 201420491171 U CN201420491171 U CN 201420491171U CN 203989957 U CN203989957 U CN 203989957U
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Abstract
The utility model belongs to extraction and separation technology field, specifically, relates to a kind of SPE and extracts drying device.It comprises air chamber cover plate, air chamber support box, nitrogen inlet, vavuum pump interface, heater, solid-phase extraction column interface, thermometer, temperature sensor, pore ceramic wafer, macropore ceramic wafer; Described air chamber support box and air chamber cover plate are sealed and matched, and one side is provided with nitrogen inlet, and opposite side is provided with vavuum pump interface; Described air chamber cover plate is equipped with heater and solid-phase extraction column interface at vertical direction; Described thermometer is fixed on air chamber cover plate top and is connected with the temperature sensor in air chamber support box; Described pore ceramic wafer and macropore ceramic wafer are horizontally set with from bottom to top and in air chamber support box, form two supporting plates.Compared with prior art, the utility model can provide stable air-flow, and solvent evaporates temperature accurately makes extraction and bioaccumulation efficiency higher, has certain practical value, and reduces costs, and saves laboratory space.
Description
Technical field
The utility model belongs to extraction and separation technology field, specifically, relates to a kind of SPE and extracts drying device.
Background technology
SPE is developed recently a kind of Sample Pretreatment Technique Used that gets up, combine and develop by liquid-solid extraction and LCC technology, be mainly used in separation, the purifying and concentrated of sample, compare and can improve the rate of recovery of analyte with traditional liquid-liquid extraction method, more effective 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.The research of food, medicine, cosmetics safety being analyzed along with people deeply, design respectively solid-phase extraction device for extracting target analytes and for concentrating analysis to improve the Nitrogen evaporator of analytical control sensitivity.SPE, as a powerful tool of Chemical Decomposition and purifying, has obtained application more and more widely in laboratory.
The purification of target compound and enrichment process, need to realize by solid-phase extracting instrument and Nitrogen evaporator conventionally.Utilize the test tube inserting in solid-phase extracting instrument to collect the target compound of solvent stripping, then test tube is transferred to Nitrogen evaporator and goes down to desolventize.Whole process need completes under fume hood, and two complete equipments occupy lot of experiments space.As extracting and enriching apparatus is effective to the content of research and analysis compound, the content of target compound in statistical sample effectively.But owing to extracting and enrichment is respectively two complete equipments, in single test process, on all splitters, target compound could be unified to slough solvent under Nitrogen evaporator after solid-phase extracting instrument extracts, and causes operating efficiency low, is unfavorable for the execution of its great amount of samples.
In recent years, increasing SPE experimental provision is developed.For example, Chinese patent (CN201410129635.1) discloses a kind of SPE equipment automatically, comprising: frame, sampling device, sample rotating disk, extraction column rotating disk, liquid-adding device, pressue device, extract rotating disk and control device; Sampling device is used for extracting sample from coupon, and injects sample by fluid injection through hole to solid-phase extraction column; Pressue device is for injecting compressed gas to solid-phase extraction column; Liquid-adding device is for adding solvent to solid-phase extraction column; Control device is for controlling the work of whole extraction equipment.But this invention cannot be deviate from solvent equally fast, and because laboratory receives the diversity of sample, cause extracting and bioaccumulation efficiency there are differences, thereby limited to a certain extent the validity popularization of device.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of simple and easy, quick, efficient SPE to extract drying device.
Drying device is extracted in SPE described in the utility model, and described device comprises air chamber cover plate 1, air chamber support box 2, nitrogen inlet 3, vavuum pump interface 4, heater 5, solid-phase extraction column interface 6, thermometer 7, temperature sensor 8, pore ceramic wafer 9, macropore ceramic wafer 10; Described air chamber support box 2 is sealed and matched with air chamber cover plate 1, and one side is provided with nitrogen inlet 3, and opposite side is provided with vavuum pump interface 4; Described air chamber cover plate 1 is equipped with heater 5 and solid-phase extraction column interface 6 at vertical direction, and heater 5 is deep into air chamber support box 2 bottoms, and solid-phase extraction column interface 6 tops are provided with cock, and bottom conduit is vertically deep in air chamber support box 2; Described thermometer 7 is fixed on air chamber cover plate 1 top and is connected with the temperature sensor 8 in air chamber support box 2; Described pore ceramic wafer 9 and macropore ceramic wafer 10 are horizontally set with from bottom to top at interior formation two supporting plates of air chamber support box 2.
Described air chamber support box 2 is divided into by pore ceramic wafer 9 and macropore ceramic wafer 10 three cuboids that the length of side is successively decreased from top to bottom, between each cuboid, connects with arc transition.
The bottom of described solid-phase extraction column interface 6 bottom conduits has one to become inclined-plane, 30 ° of angles with vertical direction.
Described arc size is 60 ° of diameter 60mm, angles.
Described pore ceramic wafer 9 is provided with 60 holes, the diameter 5mm in each hole; Described macropore ceramic wafer 10 is provided with 12 holes, the diameter 12mm in each hole.
The constant temperature water bath groove of described heater 5 is located at the bottom of air chamber support box 2.
Under described solid-phase extraction column interface 6 bottom conduits, be provided with adapter 11.
The upper end of described adapter 11 connects a deep bead towards nitrogen inlet 3 with spring.
Compared with prior art, SPE extraction drying device described in the utility model can be effective to purify and enrichment realizes the safety analysis such as food, medicine and cosmetics, not only inherit the advantage that traditional solid-phase extracting instrument purifies target compound and Nitrogen evaporator enrichment target compound completely, and overcome equipment and taken up space greatly, need artificial shift etc. shortcoming, in experiment, can obtain fast and efficiently comparatively pure target compound.In addition, it can provide stable air-flow, and solvent evaporates temperature accurately makes extraction and bioaccumulation efficiency higher, has certain practical value, and reduces costs, and saves laboratory space.
Brief description of the drawings
Fig. 1: drying device schematic diagram is extracted in SPE; Fig. 2: upper end connects the adapter schematic diagram of deep bead with spring; Air chamber cover plate-1, air chamber support box-2, nitrogen inlet-3, vavuum pump interface-4, heater-5, solid-phase extraction column interface-6, thermometer-7, temperature sensor-8, pore ceramic wafer-9, macropore ceramic wafer-10, adapter-11.
Detailed description of the invention
Below in conjunction with specific embodiment, SPE described in the utility model is extracted to drying device and be described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
Drying device is extracted in a kind of SPE, and described device comprises air chamber cover plate 1, air chamber support box 2, nitrogen inlet 3, vavuum pump interface 4, heater 5, solid-phase extraction column interface 6, thermometer 7, temperature sensor 8, pore ceramic wafer 9, macropore ceramic wafer 10; Described air chamber support box 2 is sealed and matched with air chamber cover plate 1, and one side is provided with nitrogen inlet 3, and opposite side is provided with vavuum pump interface 4; Described air chamber cover plate 1 is equipped with heater 5 and solid-phase extraction column interface 6 at vertical direction, and heater 5 is deep into air chamber support box 2 bottoms, and solid-phase extraction column interface 6 tops are provided with cock, and bottom conduit is vertically deep in air chamber support box 2; Described thermometer 7 is fixed on air chamber cover plate 1 top and is connected with the temperature sensor 8 in air chamber support box 2; Described pore ceramic wafer 9 and macropore ceramic wafer 10 are horizontally set with from bottom to top at interior formation two supporting plates of air chamber support box 2; Described air chamber support box 2 is divided into by pore ceramic wafer 9 and macropore ceramic wafer 10 three cuboids that the length of side is successively decreased from top to bottom, between each cuboid, connects with arc transition; The bottom of described solid-phase extraction column interface 6 bottom conduits has one to become inclined-plane, 30 ° of angles with vertical direction; Described arc size is 60 ° of diameter 60mm, angles; Described pore ceramic wafer 9 is provided with 60 holes, the diameter 5mm in each hole; Described macropore ceramic wafer 10 is provided with 12 holes, the diameter 12mm in each hole; The constant temperature water bath groove of described heater 5 is located at the bottom of air chamber support box 2; Under described solid-phase extraction column interface 6 bottom conduits, be provided with adapter 11.
Embodiment 2
Drying device is extracted in a kind of SPE, and described device comprises air chamber cover plate 1, air chamber support box 2, nitrogen inlet 3, vavuum pump interface 4, heater 5, solid-phase extraction column interface 6, thermometer 7, temperature sensor 8, pore ceramic wafer 9, macropore ceramic wafer 10; Described air chamber support box 2 is sealed and matched with air chamber cover plate 1, and one side is provided with nitrogen inlet 3, and opposite side is provided with vavuum pump interface 4; Described air chamber cover plate 1 is equipped with heater 5 and solid-phase extraction column interface 6 at vertical direction, and heater 5 is deep into air chamber support box 2 bottoms, and solid-phase extraction column interface 6 tops are provided with cock, and bottom conduit is vertically deep in air chamber support box 2; Described thermometer 7 is fixed on air chamber cover plate 1 top and is connected with the temperature sensor 8 in air chamber support box 2; Described pore ceramic wafer 9 and macropore ceramic wafer 10 are horizontally set with from bottom to top at interior formation two supporting plates of air chamber support box 2; Described air chamber support box 2 is divided into by pore ceramic wafer 9 and macropore ceramic wafer 10 three cuboids that the length of side is successively decreased from top to bottom, between each cuboid, connects with arc transition; The bottom of described solid-phase extraction column interface 6 bottom conduits has one to become inclined-plane, 30 ° of angles with vertical direction; Described arc size is 60 ° of diameter 60mm, angles; Described pore ceramic wafer 9 is provided with 60 holes, the diameter 5mm in each hole; Described macropore ceramic wafer 10 is provided with 12 holes, the diameter 12mm in each hole; The constant temperature water bath groove of described heater 5 is located at the bottom of air chamber support box 2; Under described solid-phase extraction column interface 6 bottom conduits, be provided with adapter 11; Spring connects a deep bead towards nitrogen inlet 3 for the upper end of described adapter 11, between adapter 11 with respect to nitrogen inlet 3, all not point-blank.
The sample of identical, equivalent, adopts device described in embodiment 1 and the device described in embodiment 2 to process.Embodiment 1 use nitrogen purges continuously; Embodiment 2 is every with just stopping 3s after nitrogen blowing 10s.The time of result: embodiment 2 processing samples is shorter, and its efficiency exceeds nearly 28.7% than embodiment 1, but also has saved nitrogen.Reason: adapter 11 withstands on pore ceramic wafer 9 through macropore ceramic wafer 10, has certain activity; Under nitrogen blowing effect, deep bead drives adapter 11 joltings by spring always, has accelerated the volatilization of receiving liquid.
Compared with prior art, SPE extraction drying device described in the utility model can be effective to purify and enrichment realizes the safety analysis such as food, medicine and cosmetics, not only inherit the advantage that traditional solid-phase extracting instrument purifies target compound and Nitrogen evaporator enrichment target compound completely, and overcome equipment and taken up space greatly, need artificial shift etc. shortcoming, in experiment, can obtain fast and efficiently comparatively pure target compound.In addition, it can provide stable air-flow, and solvent evaporates temperature accurately makes extraction and bioaccumulation efficiency higher, has certain practical value, and reduces costs, and saves laboratory space.
Claims (8)
1. drying device is extracted in a SPE, it is characterized in that, described device comprises air chamber cover plate (1), air chamber support box (2), nitrogen inlet (3), vavuum pump interface (4), heater (5), solid-phase extraction column interface (6), thermometer (7), temperature sensor (8), pore ceramic wafer (9), macropore ceramic wafer (10); Described air chamber support box (2) is sealed and matched with air chamber cover plate (1), and one side is provided with nitrogen inlet (3), and opposite side is provided with vavuum pump interface (4); Described air chamber cover plate (1) is equipped with heater (5) and solid-phase extraction column interface (6) at vertical direction, heater (5) is deep into air chamber support box (2) bottom, solid-phase extraction column interface (6) top is provided with cock, and bottom conduit is vertically deep in air chamber support box (2); Described thermometer (7) is fixed on air chamber cover plate (1) top and is connected with the temperature sensor (8) in air chamber support box (2); Described pore ceramic wafer (9) and macropore ceramic wafer (10) are horizontally set with from bottom to top and in air chamber support box (2), form two supporting plates.
2. drying device is extracted in SPE according to claim 1, it is characterized in that, described air chamber support box (2) is divided into by pore ceramic wafer (9) and macropore ceramic wafer (10) three cuboids that the length of side is successively decreased from top to bottom, between each cuboid, connects with arc transition.
3. drying device is extracted in SPE according to claim 1, it is characterized in that, the bottom of described solid-phase extraction column interface (6) bottom conduit has one to become inclined-plane, 30 ° of angles with vertical direction.
4. drying device is extracted in SPE according to claim 2, it is characterized in that, described arc size is 60 ° of diameter 60mm, angles.
5. drying device is extracted in SPE according to claim 1, it is characterized in that, described pore ceramic wafer (9) is provided with 60 holes, the diameter 5mm in each hole; Described macropore ceramic wafer (10) is provided with 12 holes, the diameter 12mm in each hole.
6. drying device is extracted in SPE according to claim 1, it is characterized in that, the constant temperature water bath groove of described heater (5) is located at the bottom of air chamber support box (2).
7. drying device is extracted in SPE according to claim 1, it is characterized in that, under the conduit of described solid-phase extraction column interface (6) bottom, is provided with adapter (11).
8. drying device is extracted in SPE according to claim 7, it is characterized in that, the upper end of described adapter (11) connects a deep bead towards nitrogen inlet (3) with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491171.4U CN203989957U (en) | 2014-08-28 | 2014-08-28 | Drying device is extracted in a kind of SPE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491171.4U CN203989957U (en) | 2014-08-28 | 2014-08-28 | Drying device is extracted in a kind of SPE |
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| Publication Number | Publication Date |
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| CN203989957U true CN203989957U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420491171.4U Expired - Fee Related CN203989957U (en) | 2014-08-28 | 2014-08-28 | Drying device is extracted in a kind of SPE |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190108A (en) * | 2014-08-28 | 2014-12-10 | 中华人民共和国沈阳出入境检验检疫局 | Solid-phase extracting and drying device |
-
2014
- 2014-08-28 CN CN201420491171.4U patent/CN203989957U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190108A (en) * | 2014-08-28 | 2014-12-10 | 中华人民共和国沈阳出入境检验检疫局 | Solid-phase extracting and drying device |
| CN104190108B (en) * | 2014-08-28 | 2016-01-20 | 中华人民共和国沈阳出入境检验检疫局 | Drying device is extracted in a kind of SPE |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190828 |