CN212417082U - Solid phase extraction device - Google Patents
Solid phase extraction device Download PDFInfo
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- CN212417082U CN212417082U CN202020370507.7U CN202020370507U CN212417082U CN 212417082 U CN212417082 U CN 212417082U CN 202020370507 U CN202020370507 U CN 202020370507U CN 212417082 U CN212417082 U CN 212417082U
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Abstract
The utility model provides a pair of solid phase extraction device, include extraction bottle, filter stopper and accept the bottle, accept to be equipped with on the bottle and filter the stopper, filter and be equipped with the resin in the stopper, filter and be equipped with a plurality of extraction bottles of group on the stopper. The utility model provides a pair of solid phase extraction device, high efficiency, compare cooperation such as no longer needing the vacuum pump of current USE-12C solid phase extraction device, a plurality of posts and liquid sample storage device have also been avoided carrying the difficulty, the preparation of detection scene to the sample has been made things convenient for, and the support is fixed in proper order to a plurality of extraction bottles, make the device whole compact, stable in structure, and convenient carrying, utilize the gasbag structure to solve the bulky problem of original air pump, can also satisfy the pressurization and improve the filterable demand of macroporous resin, sample extraction field has extensive suitability.
Description
Technical Field
The utility model relates to a detection device technical field, specifically say, the utility model particularly relates to a sample preparation technical field.
Background
Solid-Phase Extraction (SPE) is a sample pretreatment technology developed in recent years, is developed by combining liquid-Solid Extraction and column liquid chromatography, is mainly used for separating, purifying and concentrating samples, can improve the recovery rate of analytes compared with the traditional liquid-liquid Extraction method, more effectively separates the analytes from interfering components, reduces the sample pretreatment process, and is simple to operate, time-saving and labor-saving. The method is widely applied to the fields of medicine, food, environment, commodity inspection, chemical industry and the like.
The solid phase extraction device utilizes the separation principle of liquid chromatography of selective adsorption and selective elution. The steps of solid phase extraction are effectively integrated on one platform, full-automatic operation of the whole solid phase extraction process (activation, sample loading, leaching, drying and elution) can be completely realized, the efficiency of sample pretreatment is greatly improved, an analyst is liberated from fussy pretreatment work, and the sample pretreatment is faster and more efficient.
However, the existing extraction device is complex in structure, inconvenient to carry and only capable of being used in a laboratory, and is difficult to implement when samples need to be collected on site to complete separation preparation, but on one hand, on-site implementation is beneficial to fixing evidence, and on the other hand, a detection result can be obtained as soon as possible.
SUMMERY OF THE UTILITY MODEL
To extraction device structure complicacy among the prior art, inconvenient carrying, can only be at the technical problem that the laboratory used, the utility model provides a solid phase extraction device utilizes the support to pack to have the filter stopper and a plurality of extraction bottle realization of macroporous resin fixed for post washing liquid, sample, interferent washing liquid and sample eluant can add in branch, and the operation process is high efficiency, especially in administrative law enforcement field, and it is sealed just can obtain sample preparation to utilize the fixed extraction device scene of carrying, and the scene just can obtain the test result such as cooperation balance or fluorescence appearance when necessary, has extensive suitability in the field of detecting sample preparation.
The utility model provides a pair of solid phase extraction device, include extraction bottle, filter stopper and accept the bottle, accept to be equipped with on the bottle and filter the stopper, filter and be equipped with the resin in the stopper, filter and be equipped with a plurality of extraction bottles of group on the stopper.
The utility model discloses in, one side of extraction bottle, filtration stopper and accepting bottle is equipped with the support, and support one side is equipped with the mount, and the mount is connected with extraction bottle, filtration stopper, accepting bottle respectively.
The utility model discloses in, the extraction bottle includes one-level extraction bottle, second grade extraction bottle and tertiary extraction bottle, and one-level extraction bottle, second grade extraction bottle and tertiary extraction bottle from the top down set gradually.
The utility model discloses in, be equipped with the valve between the adjacent extraction bottle of one-level extraction bottle, second grade extraction bottle and tertiary extraction bottle.
The utility model discloses in, be equipped with on the accepting bottle and accept the bottle lid, be equipped with the extraction bottle lid on the extraction bottle.
In the utility model, one side of the extraction bottle is provided with an air bag which is provided with a one-way valve.
The utility model discloses in, be equipped with the exhaust hole on accepting the bottle, exhaust hole one side is equipped with the exhaust hole stopper.
The utility model has the advantages that:
the utility model provides a pair of solid phase extraction device, high efficiency, compare cooperation such as no longer needing the vacuum pump of current USE-12C solid phase extraction device, a plurality of posts and liquid sample storage device have also been avoided carrying the difficulty, the preparation of detection scene to the sample has been made things convenient for, and the support is fixed in proper order to a plurality of extraction bottles, make the device whole compact, stable in structure, and convenient carrying, utilize the gasbag structure to solve the bulky problem of original air pump, can also satisfy the pressurization and improve the filterable demand of macroporous resin, sample extraction field has extensive suitability.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.
In the drawings 1-4, 1-a bracket, 2-a fixing frame, 3-a first-level extraction bottle, 4-a second-level extraction bottle, 5-a third-level extraction bottle, 6-an extraction bottle cap, 7-an air bag, 8-a one-way valve, 9-a valve, 10-a filter plug, 11-a receiving bottle, 12-a receiving bottle cap, 13-an exhaust hole and 14-an exhaust hole plug.
Detailed Description
The following description of the present invention will be made in further detail with reference to the accompanying fig. 1 to 4 and examples, but the method of the present invention is not limited to the following examples.
In the present invention, for convenience of description, the description of the relative position relationship of the components in the solid phase extraction device of the present invention is described according to the layout pattern of fig. 1, for example: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1.
The utility model provides a support 1, mount 2, extraction bottle, gasbag 7, check valve 8, filter stopper 10, hold up bottle 11 etc. and can both purchase or purchase the acquisition through the market approach.
The utility model provides a pair of solid phase extraction device, include extraction bottle, filter stopper 10 and accept bottle 11, it is equipped with filter stopper 10 on the bottle 11 to hold, is equipped with the resin in the filter stopper 10, is equipped with a plurality of extraction bottles of group on the filter stopper 10.
The utility model discloses in, one side of extraction bottle, filtration stopper 10 and accept bottle 11 is equipped with support 1, and 1 one side of support is equipped with mount 2, and mount 2 is connected with extraction bottle, filtration stopper 10, accept bottle 11 respectively.
The utility model discloses in, the extraction bottle includes one-level extraction bottle 3, second grade extraction bottle 4 and tertiary extraction bottle 5, and one-level extraction bottle 3, second grade extraction bottle 4 and tertiary extraction bottle 5 from the top down set gradually.
The utility model discloses in, be equipped with valve 9 between the adjacent extraction bottle of one-level extraction bottle 3, second grade extraction bottle 4 and tertiary extraction bottle 5.
The utility model discloses in, accept to be equipped with on the bottle 11 and accept bottle lid 12, be equipped with extraction bottle lid 6 on the extraction bottle.
In the utility model, one side of the extraction bottle is provided with an air bag 7, and the air bag 7 is provided with a one-way valve 8.
In the utility model, the receiving bottle 11 is provided with an exhaust hole 13, and an exhaust hole plug 14 is arranged on one side of the exhaust hole 13.
When the solid phase extraction device is applied, extract bottles at different levels and a filter plug 10 are cleaned by washing liquid, the solid phase extraction device is assembled by a fixing frame 2 and carried to a sample collection site, target eluent is added into an one-level extract bottle 3, impurity washing liquid is added into a second-level extract bottle 4, sample dissolving liquid is added into a third-level extract bottle 5 until a valve 9 at each level is closed, the collected sample is added into the third-level extract bottle 5, a bracket 1 is grabbed and shaken to dissolve the sample, the lowest valve 9 is opened to enable the dissolved mixture to flow down from the filter plug 10, if impurities need to be collected, a receiving bottle 11 is connected below, if the impurities do not need to be directly discharged into a waste liquid collection pool and the like, if the filtration is slow because of macroporous resin in the discharging process, the pressurization can be realized by an air bag 7, the valve 9 of the second-level extract bottle 4 is opened after the mixture all enters the macroporous resin, discharging the impurity washing liquid, pressurizing by using the air bag 7 to improve the passing speed, changing a clean receiving bottle 11 after the impurities are washed, performing pre-bearing record on the impurity washing liquid, then accessing the impurity washing liquid to the position below the filter plug 10, opening the valve 9 of the primary air bag 7 to put down the target object eluent, eluting and collecting the target object to be collected, carrying out bearing, and performing separation detection on the eluent and the target object when necessary.
The utility model discloses it is convenient to remove, reliable and stable, conveniently carries, connects compactly moreover, has extensive suitability in the solid extraction field.
As described above, the present invention can be better realized, the above-mentioned embodiments are only right the preferred embodiments of the present invention are described, not right the scope of the present invention is limited, without departing from the design spirit of the present invention, the ordinary skilled in the art will be right the various modifications and improvements made by the technical solution of the present invention all fall into the determined protection scope of the present invention.
Claims (5)
1. The utility model provides a solid phase extraction device, includes extraction flask, filter plug and holds and accepts the bottle, its characterized in that: the extraction flask includes one-level extraction flask, second grade extraction flask and tertiary extraction flask, and one-level extraction flask, second grade extraction flask and tertiary extraction flask from the top down set gradually, and tertiary extraction flask below is equipped with filters the stopper, is equipped with the resin in the filtration stopper, filters the stopper below and is equipped with and accepts the bottle, one side of extraction flask, filtration stopper and accepting the bottle is equipped with the support, and support one side is equipped with the mount, and the mount is connected with extraction flask, filtration stopper, accepting the bottle respectively.
2. The apparatus of claim 1, wherein valves are disposed between adjacent extraction flasks of the first, second and third extraction flasks.
3. The solid phase extraction apparatus of claim 1, wherein the receiving flask is provided with a receiving flask cap, and the extraction flask is provided with an extraction flask cap.
4. A solid phase extraction apparatus as claimed in claim 1 wherein the extraction flask is provided with a bladder on one side thereof, the bladder being provided with a one-way valve.
5. A solid phase extraction apparatus as claimed in claim 1 wherein the receiving flask is provided with a vent, and a vent plug is provided on one side of the vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370507.7U CN212417082U (en) | 2020-03-20 | 2020-03-20 | Solid phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370507.7U CN212417082U (en) | 2020-03-20 | 2020-03-20 | Solid phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212417082U true CN212417082U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020370507.7U Active CN212417082U (en) | 2020-03-20 | 2020-03-20 | Solid phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212417082U (en) |
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2020
- 2020-03-20 CN CN202020370507.7U patent/CN212417082U/en active Active
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