CN210199035U - Pesticide residue fast extraction mass spectrum injector - Google Patents
Pesticide residue fast extraction mass spectrum injector Download PDFInfo
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- CN210199035U CN210199035U CN201921204661.0U CN201921204661U CN210199035U CN 210199035 U CN210199035 U CN 210199035U CN 201921204661 U CN201921204661 U CN 201921204661U CN 210199035 U CN210199035 U CN 210199035U
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Abstract
The utility model provides a pesticide residue fast extraction mass spectrum injector, this pesticide residue fast extraction mass spectrum injector include the inside solid phase extraction post that is equipped with the packing, the upper end of solid phase extraction post is connected with glues the head, the lower extreme of solid phase extraction post is connected with out the appearance hose, be equipped with first transfer line switch on going out the appearance hose, just the lower extreme of solid phase extraction post is pegged graft and is had a kind hose, kind hose one end is passed the packing extends to the inside of solid phase extraction post, the other end exposes the solid phase extraction post is outer and be equipped with second transfer line switch. The utility model has the advantages that: this application sample convenient and fast can improve extraction efficiency to, whole extraction in-process sample extract can not with external further contact, help improving the accuracy of experimental data, reduce the experimental error.
Description
Technical Field
The utility model relates to pesticide residue detects technical field, especially involves a pesticide residue fast extraction mass spectrum injector.
Background
The detection technology of the pesticide residue which is relatively popular in China needs to be realized by means of instruments such as a liquid chromatograph or a gas chromatograph, wherein samples needing to be detected need to be subjected to complex pretreatment, agricultural product samples need to be firstly crushed, certain solvent is added for extraction, then an extracting solution is injected into an activated solid phase extraction column, impurities are removed, and a sample injector device which is convenient for sample injection and can carry out rapid extraction is absent at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a pesticide residue fast extraction mass spectrum injector.
The utility model discloses a realize through following technical scheme:
the utility model provides a pesticide residue fast extraction mass spectrum injector, this pesticide residue fast extraction mass spectrum injector include the inside solid phase extraction post that is equipped with the packing, the upper end of solid phase extraction post is connected with glues the head, the lower extreme of solid phase extraction post is connected with out the appearance hose, be equipped with first transfer line switch on going out the appearance hose, just the lower extreme of solid phase extraction post is pegged graft and is had a kind hose, kind hose one end is passed the packing extends to the inside of solid phase extraction post, the other end exposes the solid phase extraction post is outer and be equipped with second transfer line switch.
Preferably, the rubber head is a rubber head with a hollow interior.
Preferably, the volume of the gel head is the same as the volume of the solid phase extraction column.
Preferably, the sample outlet hose is a PVC plastic hose.
Preferably, the sample injection hose is a PVC plastic hose.
Preferably, the first infusion tube switch is matched with the sample outlet hose, and the second infusion tube switch is matched with the sample inlet hose.
In above-mentioned embodiment, this application sample convenient and fast can improve extraction efficiency to, whole extraction in-process sample extract can not be with external further contact, help improving experimental data's accuracy, reduce the experimental error.
Drawings
Fig. 1 is a schematic structural diagram of a rapid extraction mass spectrometer sampler for pesticide residues provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a solid phase extraction column according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the fast extraction mass spectrometer for pesticide residue provided by the embodiment of the present invention in the sample injection state;
fig. 4 is a schematic structural diagram of the fast extraction mass spectrometer for pesticide residue in the sampling state according to the embodiment of the present invention.
In the figure: 1-solid phase extraction column; 2-a filler; 3-gluing the head; 4-a sample outlet hose; 5-first infusion tube switch; 6-sample introduction hose; 7-second infusion tube switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For conveniently understanding the utility model provides a pesticide residue fast extraction mass spectrum injector, the application scene of the pesticide residue fast extraction mass spectrum injector that this application embodiment provided is explained at first, and the pesticide residue fast extraction mass spectrum injector that this application embodiment provided is used for advancing the sample extraction. The following detailed description is made with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a rapid extraction mass spectrometer sample injector for pesticide residue according to an embodiment of the present invention, and fig. 2 is a cross-sectional view of a solid-phase extraction column according to an embodiment of the present invention.
Referring to fig. 1 and 2, the fast extraction mass spectrum injector for pesticide residues comprises a solid phase extraction column 1 with a filler 2 inside, wherein the filler 2 is a chromatographic adsorbent in the prior art, and when the fast extraction mass spectrum injector is arranged, filter screens are respectively arranged at the upper end and the lower end of the filler 2. The upper end of the solid phase extraction column 1 is connected with a rubber head 3, the rubber head 3 is a hollow rubber head, the shape of the rubber head can be changed by finger extrusion, and the volume of the rubber head 3 is the same as that of the solid phase extraction column 1. The lower end of the solid phase extraction column 1 is inserted with a sample introduction hose 6, the sample outlet hose 4 is a PVC plastic hose, one end of the sample introduction hose 6 penetrates through the filler 2 and extends to the inside of the solid phase extraction column 1, and the other end is exposed outside the solid phase extraction column 1 and is provided with a second liquid conveying pipe switch 7. In addition, the lower extreme of solid phase extraction post 1 is connected with out appearance hose 4, advances kind hose 6 and is the PVC plastic hose, is equipped with first transfer line switch 5 on going out appearance hose 4. First transfer line switch 5 and second transfer line switch 7 are the transfer line switch among the prior art, and second transfer line switch 7 and advance kind hose 6 looks adaptation can control the on or off of advancing kind hose 6 through second transfer line switch 7, and first transfer line switch 5 and play kind hose 4 looks adaptation can control the on or off of appearance hose 4 through first transfer line switch 5.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a pesticide residue rapid extraction mass spectrometer sample injector provided in an embodiment of the present invention in a sample injection state, and fig. 4 is a schematic structural diagram of the pesticide residue rapid extraction mass spectrometer sample injector provided in an embodiment of the present invention in a sample injection state.
When the device is used, as shown in fig. 3, the regulating wheel of the first infusion tube switch 5 is rolled to a closed state, and the regulating wheel of the second infusion tube switch 7 is rolled to an open-close state, at the moment, the sample outlet hose 4 is cut off, the sample inlet hose 6 is conducted, the sample inlet hose 6 directly extends into a container for containing a sample extracting solution, then the rubber head 3 is slightly squeezed to carry out sampling, and the sample extracting solution enters the solid phase extraction column 1 through the sample inlet hose 6, so that the device is convenient and rapid; after the sample extract got into in the solid phase extraction post 1, as shown in fig. 4, roll the regulating wheel of first transfer line switch 5 to the state of opening and shutting, roll the regulating wheel of second transfer line switch 7 to the off-state simultaneously, at this moment, it switches on to go out appearance hose 4, and advance appearance hose 6 and be cut off, will go out appearance hose 4 and directly stretch into in the inlet of liquid chromatograph, then squeeze gently again according to gluing head 3 alright go out appearance, the sample extract gets into liquid chromatograph and detects after the extraction, meanwhile, the sample extract receives the pressure effect of gluing head 3 inside gas, can be fast through filler 2, the extraction efficiency is improved, and, whole extraction in-process sample extract can not with external further contact, help improving the accuracy of experimental data, reduce experimental error.
In another embodiment, the surface of the solid phase extraction column 1 may be marked so that quantitative sampling can be performed during sampling.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A pesticide residue rapid extraction mass spectrum injector which is characterized by comprising: the inside solid phase extraction post that is equipped with the filler, the upper end of solid phase extraction post is connected with glues the head, the lower extreme of solid phase extraction post is connected with out kind hose, be equipped with first transfer line switch on going out kind hose, just the lower extreme of solid phase extraction post is pegged graft and is had a kind hose, it passes to advance kind hose one end the filler extends to the inside of solid phase extraction post, the other end exposes outside the solid phase extraction post and be equipped with the second transfer line switch.
2. The rapid extraction mass spectrometer injector of pesticide residue according to claim 1, characterized in that the rubber head is a rubber head with a hollow inside.
3. The rapid extraction mass spectrometer sample injector of claim 1, wherein the volume of the rubber head is the same as the volume of the solid phase extraction column.
4. The rapid extraction mass spectrometer sample injector of pesticide residue according to claim 1, characterized in that the sample outlet hose is a PVC plastic hose.
5. The fast extraction mass spectrometry sample injector of pesticide residue according to claim 1, characterized in that the sample injection hose is a PVC plastic hose.
6. The fast extraction mass spectrometry sample injector of pesticide residues as claimed in claim 1, wherein the first infusion tube switch is adapted to the sample outlet hose, and the second infusion tube switch is adapted to the sample inlet hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204661.0U CN210199035U (en) | 2019-07-29 | 2019-07-29 | Pesticide residue fast extraction mass spectrum injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204661.0U CN210199035U (en) | 2019-07-29 | 2019-07-29 | Pesticide residue fast extraction mass spectrum injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210199035U true CN210199035U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921204661.0U Active CN210199035U (en) | 2019-07-29 | 2019-07-29 | Pesticide residue fast extraction mass spectrum injector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552279A (en) * | 2021-07-21 | 2021-10-26 | 常州民生环境检测有限公司 | Quick sample preparation equipment for ion chromatographic analysis test |
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2019
- 2019-07-29 CN CN201921204661.0U patent/CN210199035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552279A (en) * | 2021-07-21 | 2021-10-26 | 常州民生环境检测有限公司 | Quick sample preparation equipment for ion chromatographic analysis test |
| CN113552279B (en) * | 2021-07-21 | 2024-02-06 | 常州民生环境检测有限公司 | Quick sample preparation equipment for ion chromatographic analysis test |
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