CN207085508U - A kind of liquid chromatogram filter - Google Patents

A kind of liquid chromatogram filter Download PDF

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Publication number
CN207085508U
CN207085508U CN201721002726.4U CN201721002726U CN207085508U CN 207085508 U CN207085508 U CN 207085508U CN 201721002726 U CN201721002726 U CN 201721002726U CN 207085508 U CN207085508 U CN 207085508U
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CN
China
Prior art keywords
filter
column
liquid chromatogram
filter column
short
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721002726.4U
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Chinese (zh)
Inventor
曹标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Western Neil Chemical Industry Science Co Ltd Of Oil Of Spc
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Western Neil Chemical Industry Science Co Ltd Of Oil Of Spc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201721002726.4U priority Critical patent/CN207085508U/en
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Publication of CN207085508U publication Critical patent/CN207085508U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of liquid chromatogram filter, the liquid chromatogram filter is arranged on the pipeline of the sample feeding pipe between injector and liquid-phase chromatographic column, it is described short across setting filter core in filter column and long Filter column including filtered post sleeve pipe connection short across filter column and long Filter column;The sample feeding pipe front end sets connecting portion, and the connecting portion is connected through connecting parts casing pipe with short across filter column.The utility model increases a liquid chromatogram filter before chromatographic column, and periodic replacement filtering, filter cost is low, then cleans filter using free time, and then backup uses.Filter material is acidproof, corrosion-resistant, typically using materials such as carborundum, Titanium, glass, can remove solid phase impurity and adsorb the material that can not be washed by mobile phase.

Description

A kind of liquid chromatogram filter
Technical field
It the utility model is related to a kind of liquid chromatogram column device, more particularly to a kind of liquid chromatogram filter.
Background technology
The conventional liquid chromatogram in market is all that chromatographic column is directly connected to chromatogram body, and routine operation liquid chromatogram is all first will After the sample to be analyzed first filters one time, it is expelled to syringe in chromatographic column, it is long because filter operation is all manual operation Time uses, and is contaminated in chromatographic column after certainty, influences the service life of chromatographic column, while the analysis for also influenceing instrument is accurate Degree, it is generally the case that require employee to carry out cleaning chromatographic column, to solve this problem, be so increased by employee work amount, reduce Operating efficiency, and influence the service life of chromatographic column.
Utility model content
Technical problem to be solved in the utility model is the defects of being directed to prior art, there is provided one kind is in chromatographic column front end Installation can get rid of impurity and absorption can not be by the liquid chromatogram filter for the material that mobile phase is washed.
The utility model uses following technical scheme to solve above-mentioned technical problem:
A kind of liquid chromatogram filter, the liquid chromatogram filter are arranged between injector and liquid-phase chromatographic column On the pipeline of sample feeding pipe, including filtered post sleeve pipe connection short across filter column and long Filter column, it is described to be filtered short across filter column with long Filter core is set in post;The sample feeding pipe front end sets connecting portion, and the connecting portion is connected through connecting parts casing pipe with short across filter column.
In order to further optimize above-mentioned technical proposal, the technical measures that the utility model is taken are:
Preferably, gasket seal is set short across filter column and long Filter column junction in the filter column sleeve pipe.
Preferably, the gasket seal is the stainless steel gasket seal for setting Silica Surface layer.
Preferably, the gasket seal sets the circular through holes consistent with sample introduction bore.
Preferably, with being equipped with internal thread part short across filter column and long Filter column junction in the filter column sleeve pipe.
Preferably, with being equipped with short across filter column and long Filter column junction in silica gel sealing buffering in the filter column sleeve pipe Layer.
Preferably, it is described to connect the connecting portion in parts casing pipe and set gasket seal short across filter column junction.
Preferably, the gasket seal in the connection parts casing pipe is the stainless steel gasket seal for setting Silica Surface layer.
Preferably, the gasket seal in the connection parts casing pipe sets the circular through holes consistent with sample introduction bore.
Preferably, with being equipped with internal thread part short across filter column and long Filter column junction in the connection parts casing pipe.
Preferably, delay in the connection parts casing pipe with being equipped with annular silica gel sealing short across filter column and long Filter column junction Rush internal layer.
Preferably, described short across filter column material is carborundum, Titanium or glass.
Preferably, the long Filter column is consistent with chromatographic column material.
Preferably, the long Filter column is to be detachably connected with sample feeding pipe.
The utility model uses above technical scheme, compared with prior art, has the following technical effect that:
The utility model increases a liquid chromatogram filter, periodic replacement filtering, filter cost before chromatographic column It is low, filter then is cleaned using free time, then backup uses.Filter material is acidproof, corrosion-resistant, general using carbonization The materials such as silicon, Titanium, glass, solid phase impurity can be removed and adsorb the material that can not be washed by mobile phase.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the liquid chromatogram filter of preferred embodiment of the present utility model;
Fig. 2 is a kind of sectional view of the liquid chromatogram filter of preferred embodiment of the present utility model;
Fig. 3 is a kind of sectional view of the liquid chromatogram filter of preferred embodiment of the present utility model;
Fig. 4 is a kind of structural representation of the liquid chromatogram filter of preferred embodiment of the present utility model;
Reference therein is:
1 short across filter column;2 long Filter columns;3 filter column sleeve pipes;4 connection parts casing pipes;5 sample feeding pipes;6 circular through holes;7 sealing gaskets Piece;31 internal thread parts;32 silica gel sealing inner buffer layers;51 connecting portions.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of the liquid chromatogram filter of preferred embodiment of the present utility model;Fig. 2 is this reality With a kind of sectional view of the liquid chromatogram filter of new preferred embodiment;Fig. 3 is that one kind of the present utility model is preferable to carry out The sectional view of the liquid chromatogram filter of example;Fig. 4 is a kind of liquid chromatogram filter of preferred embodiment of the present utility model Structural representation.
As Figure 1-4, the liquid chromatogram filter in a kind of preferred embodiment, the liquid chromatogram filter are set Be placed on the pipeline of the sample feeding pipe 5 between injector and liquid-phase chromatographic column, including filtered column sleeve pipe 3 connection short across filter column 1 and long Filter column 2, it is described short across setting filter core in filter column 1 and long Filter column 2;The front end of sample feeding pipe 5 sets connecting portion 51, described Connecting portion 51 is connected through connecting parts casing pipe 4 with short across filter column 1.
In a kind of preferred embodiment, sealing is set short across filter column 1 and the long junction of Filter column 2 in the filter column sleeve pipe 3 Pad 7.
In a kind of preferred embodiment, the gasket seal 7 is the stainless steel gasket seal for setting Silica Surface layer.
In a kind of preferred embodiment, the gasket seal 7 sets the circular through holes 6 consistent with the internal diameter of sample feeding pipe 5.
In a kind of preferred embodiment, with being all provided with short across filter column 1 and the junction of long Filter column 2 in the filter column sleeve pipe 3 There is internal thread part 31.
In a kind of preferred embodiment, the connecting portion 51 short across the junction of filter column 1 with setting in the connection parts casing pipe 4 Gasket seal 7.
In a kind of preferred embodiment, the gasket seal 7 in the connection parts casing pipe is to set the stainless of Silica Surface layer Steel gasket seal.
In a kind of preferred embodiment, the gasket seal 7 in the connection parts casing pipe sets consistent with the internal diameter of sample feeding pipe 5 Circular through holes 6.
In a kind of preferred embodiment, with being all provided with short across filter column 1 and the junction of long Filter column 2 in the connection parts casing pipe There is internal thread part 31.
In a kind of preferred embodiment, the filter core material short across filter column 1 is carborundum, Titanium or glass.
In a kind of preferred embodiment, the filter core of the long Filter column 2 is consistent with chromatographic column filter core material.
In a kind of preferred embodiment, the external diameter of the long Filter column 2 is consistent with chromatographic column external diameter.
In the above-described embodiments, after the liquid chromatogram filter is installed, from feeder, sample is from sample feeding pipe Connecting portion 51 is flowed in 5, and the circular through holes 6 of gasket seal 7 are flowed into from connecting portion 51, then flows into and is filtered short across in filter column 1, will Other solid-states in sample and micronic dust impurity remove, then after flowing into the circular through holes 6 of gasket seal 7, flow into long Filter column 2 and inhale It is attached long Filter column 2 after material that mobile phase is washed, to be flowed out, and flow into chromatographic column and analyzed from sample feeding pipe 5.Institute It is screw thread mouth connection to state filter column sleeve pipe 3 and connection parts casing pipe 4.
In a kind of preferred embodiment, with being all provided with short across filter column 1 and the junction of long Filter column 2 in the filter column sleeve pipe 3 There is silica gel sealing inner buffer layer 32.
In a kind of preferred embodiment, with being all provided with short across filter column 1 and the junction of long Filter column 2 in the connection parts casing pipe There is annular silica gel to seal inner buffer layer 32.
In the above-described embodiments, after the liquid chromatogram filter is installed, from feeder, sample is from sample feeding pipe Connecting portion 51 is flowed in 5, and the circular through holes 6 of gasket seal 7 are flowed into from connecting portion 51, then flows into and is filtered short across in filter column 1, will Other solid-states in sample and micronic dust impurity remove, then after flowing into the circular through holes 6 of gasket seal 7, flow into long Filter column 2 and inhale It is attached long Filter column 2 after material that mobile phase is washed, to be flowed out, and flow into chromatographic column and analyzed from sample feeding pipe 5.Institute State filter column sleeve pipe 3 and connection parts casing pipe 4 is all provided with annular silica gel sealing inner buffer layer 32, sealed with plug-in crush seal layer.
In a kind of preferred embodiment, the long Filter column 2 is to be detachably connected with sample feeding pipe 5.
In a kind of preferred embodiment, the sample feeding pipe 5 sets connecting portion 51 with the long junction of Filter column 2.
It is described to be connected short across between filter column 1 and long Filter column 2 for sample feeding pipe 5 in a kind of preferred embodiment.
In a kind of preferred embodiment, the sample feeding pipe 5 short across between filter column 1 and long Filter column 2 is all provided with connecting portion 51.
In summary, a liquid chromatogram filter, periodic replacement filtering, filter cost are increased before chromatographic column It is low, filter then is cleaned using free time, then backup uses.Filter material is acidproof, corrosion-resistant, general using carbonization The materials such as silicon, Titanium, glass;Solid phase impurity can be removed and adsorb the material that can not be washed by mobile phase;Also can be by two kinds Filter column separates use, is conveniently individually replaced.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model It is not restricted to particular embodiments described above.To those skilled in the art, it is any that the practicality is equal Modifications and substitutions are also all among category of the present utility model.Therefore, the institute in the case where not departing from spirit and scope of the present utility model The impartial conversion of work and modification, it should all cover in the scope of the utility model.

Claims (10)

  1. A kind of 1. liquid chromatogram filter, it is characterised in that:The liquid chromatogram filter is arranged at injector and liquid chromatogram On the pipeline of sample feeding pipe (5) between post, including filtered column sleeve pipe (3) connection short across filter column (1) and long Filter column (2) it is, described to set filter core short across filter column (1) and long Filter column (2) are interior;Sample feeding pipe (5) front end sets connecting portion (51), the company Socket part (51) is connected through connecting parts casing pipe (4) with short across filter column (1).
  2. 2. liquid chromatogram filter according to claim 1, it is characterised in that:Short across filter column in the filter column sleeve pipe (3) (1) gasket seal (7) is set with long Filter column (2) junction.
  3. 3. liquid chromatogram filter according to claim 2, it is characterised in that:The gasket seal (7) is to set silica gel table The stainless steel gasket seal of surface layer.
  4. 4. liquid chromatogram filter according to claim 2, it is characterised in that:The gasket seal (7) sets and sample feeding pipe (5) the consistent circular through holes of internal diameter (6).
  5. 5. liquid chromatogram filter according to claim 2, it is characterised in that:In the filter column sleeve pipe (3) and short across filter Post (1) and long Filter column (2) junction are equipped with internal thread part (31).
  6. 6. liquid chromatogram filter according to claim 2, it is characterised in that:In the filter column sleeve pipe (3) and short across filter Post (1) and long Filter column (2) junction are equipped with silica gel sealing inner buffer layer (32).
  7. 7. liquid chromatogram filter according to claim 1, it is characterised in that:The company in the connection parts casing pipe (4) Socket part (51) short across filter column (1) junction with setting gasket seal (7).
  8. 8. liquid chromatogram filter according to claim 1, it is characterised in that:It is described short across filter column (1) material for carbonization Silicon, Titanium or glass.
  9. 9. liquid chromatogram filter according to claim 1, it is characterised in that:The long Filter column (2) and chromatographic column material Matter is consistent.
  10. 10. liquid chromatogram filter according to claim 1, it is characterised in that:The long Filter column (2) and sample feeding pipe (5) it is to be detachably connected.
CN201721002726.4U 2017-08-11 2017-08-11 A kind of liquid chromatogram filter Expired - Fee Related CN207085508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721002726.4U CN207085508U (en) 2017-08-11 2017-08-11 A kind of liquid chromatogram filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721002726.4U CN207085508U (en) 2017-08-11 2017-08-11 A kind of liquid chromatogram filter

Publications (1)

Publication Number Publication Date
CN207085508U true CN207085508U (en) 2018-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721002726.4U Expired - Fee Related CN207085508U (en) 2017-08-11 2017-08-11 A kind of liquid chromatogram filter

Country Status (1)

Country Link
CN (1) CN207085508U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115569674A (en) * 2022-09-29 2023-01-06 中国科学院地球环境研究所 Ion exchange chromatographic column capable of being rapidly mounted and dismounted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115569674A (en) * 2022-09-29 2023-01-06 中国科学院地球环境研究所 Ion exchange chromatographic column capable of being rapidly mounted and dismounted

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180313

Termination date: 20210811

CF01 Termination of patent right due to non-payment of annual fee