CN210427485U - Centrifugal purification tube assembly based on liquid chromatographic analysis - Google Patents
Centrifugal purification tube assembly based on liquid chromatographic analysis Download PDFInfo
- Publication number
- CN210427485U CN210427485U CN201920549807.9U CN201920549807U CN210427485U CN 210427485 U CN210427485 U CN 210427485U CN 201920549807 U CN201920549807 U CN 201920549807U CN 210427485 U CN210427485 U CN 210427485U
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- Prior art keywords
- tube
- centrifugal
- liquid chromatography
- centrifuging
- purification
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- 238000000746 purification Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 238000004587 chromatography analysis Methods 0.000 title description 2
- 238000004811 liquid chromatography Methods 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013375 chromatographic separation Methods 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
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Abstract
The utility model discloses a centrifugal purification tube subassembly based on liquid chromatography relates to chromatographic separation device technical field. The utility model discloses a centrifuging tube and suit are in its outside and with the sleeve pipe of the coaxial setting of centrifuging tube, are equipped with sieve and lower sieve board from top to bottom in the centrifuging tube, go up the sieve and fill between the sieve board down and have the purification layer, and the bottom of centrifuging tube is equipped with the fluid-discharge tube that supplies the liquid outflow. The utility model provides a simple structure, with low costs, easy and simple to handle, purifying effect good centrifugal purification tube subassembly.
Description
Technical Field
The utility model belongs to the technical field of the chromatographic separation device, especially, relate to a centrifugal purification tube subassembly based on liquid chromatography analysis.
Background
QuEChERS is a convenient and efficient sample pretreatment technology for detecting pesticide residues in fruit and vegetable samples, and is widely applied, the extraction and purification of the traditional QuEChERS technology sample are completed in one step, although the operation is simple, the defect of unsatisfactory purification effect exists, at present, an improvement scheme of separating the extraction and purification is mostly adopted, namely 1ml of solution is taken in a 2ml centrifugal tube, magnesium sulfate and a purifying agent are added for dehydration and purification, and then the centrifugal tube directly enters an analysis instrument for analysis, the method is widely applied, and the method has the defects that micro particles in the sample cannot be completely removed at one time, and the use of the instrument is influenced and the analysis result is influenced if the sample enters the analysis instruments such as a gas chromatograph, a liquid chromatograph, a gas chromatograph/mass spectrometer, a liquid chromatograph and the like.
In the increasing popular QuEChERS method, a common 2ml centrifuge tube is used as a purification device, and the purified extract can be loaded and analyzed after further filtration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, with low costs, easy and simple to handle, purifying effect good centrifugal purification pipe subassembly.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a centrifugation purge tube subassembly based on liquid chromatography, including centrifuging tube and suit in its outside and with the sleeve pipe of the coaxial setting of centrifuging tube, be equipped with sieve and lower sieve from top to bottom in the centrifuging tube, it has the purification layer to go up to fill between sieve and the lower sieve, the bottom of centrifuging tube is equipped with the fluid-discharge tube that supplies the liquid to flow out.
Further, the centrifuging tube is including the mouth of pipe that is located the centrifuging tube upper end, the mouth of pipe is connected with a pipe shaft, the bottom of pipe shaft is equipped with a guide part and is connected with the fillter section through the guide part, the bottom of fillter section is equipped with a water conservancy diversion portion that bore reduces gradually from top to bottom, water conservancy diversion portion is linked together with the fluid-discharge tube.
Further, the lower screen plate is installed in the flow guide part, the purification layer is filled from the upper surface of the lower screen plate to the height of 1/4-2/3 of the filter section, and the upper screen plate is installed in the filter section.
Furthermore, the guide part is an inclined plane which inclines towards the inner side of the pipe body, and the included angle between the inclined plane and the central axis of the pipe body is 20-45 degrees.
Furthermore, a buffer sleeve is arranged between the sleeve and the centrifugal tube.
Further, the cushion collar includes the body of cup joint in the centrifuging tube outside, the internal face of body is equipped with a plurality of first beads, the periphery side of body is equipped with a plurality of second beads.
Furthermore, the first rib and the second rib are strip-shaped ribs arranged along the length direction of the pipe body, the first rib is provided with a first through hole arranged along the length direction of the first rib, and the second rib is provided with a second through hole arranged along the length direction of the second rib.
Furthermore, the buffer sleeve comprises a tube body sleeved outside the centrifugal tube, a plurality of buffer blocks are arranged on the inner wall surface of the tube body, and blind holes are formed in the buffer blocks; the periphery side of the pipe body is provided with a plurality of hemispherical structure elastic bulges.
The utility model discloses following beneficial effect has:
the utility model discloses centrifugal purification tube subassembly simple structure, with low costs, easy and simple to handle adopt to purify the layer and got rid of multiple impurity, can directly go up appearance analysis, labour saving and time saving after the centrifugation.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the centrifugal cleaning tube assembly of the present invention;
FIG. 2 is a schematic view of the structure of the centrifugal tube of the present invention;
fig. 3 is a schematic view of the structure of the cushion collar of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
Please refer to fig. 1-2, the utility model relates to a centrifugal purification tube assembly based on liquid chromatography, including centrifuging tube 1 and suit in its outside and with the sleeve pipe 3 of the coaxial setting of centrifuging tube 1, be equipped with sieve 6 and lower sieve plate 4 in centrifuging tube 1 from top to bottom, it has purification layer 5 to go up to fill between sieve plate 6 and the lower sieve plate 4, the bottom of centrifuging tube 1 is equipped with the fluid-discharge tube 16 that supplies liquid to flow out.
Preferably, centrifuging tube 1 is including lieing in mouth of pipe 12 of centrifuging tube 1 upper end, and mouth of pipe 12 is connected with a pipe shaft 11, and the bottom of pipe shaft 11 is equipped with a guide part 13 and is connected with fillter section 14 through guide part 13, and the bottom of fillter section 14 is equipped with a water conservancy diversion portion 15 that from top to bottom bore reduces gradually, and water conservancy diversion portion 15 is linked together with fluid-discharge tube 16.
Preferably, the lower screen 4 is installed in the flow guide 15, the purification layer 5 is filled from the upper surface of the lower screen 4 to the height of 1/4 to 2/3 of the filtering section 14, and the upper screen 6 is installed in the filtering section 14.
Preferably, the guiding portion 13 is an inclined surface inclined toward the inner side of the pipe body 11, and the angle between the inclined surface and the central axis of the pipe body 11 is 20-45 °.
When in use, the centrifugal tube 1 is directly arranged on the sleeve 3 or put into a centrifugal machine; will treat that the scavenging solution drips into centrifuging tube 1, and the scavenging solution can not flow at this time because the purification packs to have the resistance, puts into centrifuge after, and centrifugal strength can let the scavenging solution flow in to sleeve pipe 3 through purifying the filler. The purification layer 5 is filled with purification filler, which is activated carbon, C18, PSA, or the like.
The centrifuge tube 1 is a polypropylene (PP) tube.
Example 2
Please refer to fig. 1-3, the utility model relates to a centrifugal purification tube assembly based on liquid chromatography, including centrifuging tube 1 and suit in its outside and with the sleeve pipe 3 of the coaxial setting of centrifuging tube 1, be equipped with sieve 6 and lower sieve plate 4 in centrifuging tube 1 from top to bottom, it has purification layer 5 to go up to fill between sieve plate 6 and the lower sieve plate 4, the bottom of centrifuging tube 1 is equipped with the fluid-discharge tube 16 that supplies liquid to flow out.
Preferably, centrifuging tube 1 is including lieing in mouth of pipe 12 of centrifuging tube 1 upper end, and mouth of pipe 12 is connected with a pipe shaft 11, and the bottom of pipe shaft 11 is equipped with a guide part 13 and is connected with fillter section 14 through guide part 13, and the bottom of fillter section 14 is equipped with a water conservancy diversion portion 15 that from top to bottom bore reduces gradually, and water conservancy diversion portion 15 is linked together with fluid-discharge tube 16.
Preferably, the lower screen 4 is installed in the flow guide 15, the purification layer 5 is filled from the upper surface of the lower screen 4 to the height of 1/4 to 2/3 of the filtering section 14, and the upper screen 6 is installed in the filtering section 14.
Preferably, the guiding portion 13 is an inclined surface inclined toward the inner side of the pipe body 11, and the angle between the inclined surface and the central axis of the pipe body 11 is 20-45 °.
Preferably, a buffer sleeve 2 is arranged between the sleeve 3 and the centrifugal tube 1.
Preferably, the buffer sleeve 2 comprises a tube body 21 sleeved outside the centrifugal tube 1, the inner wall surface of the tube body 21 is provided with a plurality of first ribs 22, and the peripheral side surface of the tube body 21 is provided with a plurality of second ribs 24.
Preferably, the first rib 22 and the second rib 24 are both strip-shaped ribs arranged along the length direction of the tube 21, the first rib 22 is provided with a first through hole 23 arranged along the length direction, and the second rib 24 is provided with a second through hole 25 arranged along the length direction.
Preferably, the buffer sleeve 2 comprises a tube body 21 sleeved outside the centrifugal tube 1, the inner wall surface of the tube body 21 is provided with a plurality of buffer blocks, and the buffer blocks are provided with blind holes; the peripheral side of the tube body 21 is provided with a plurality of hemispherical elastic bulges.
The first rib 22 and the second rib 24 are both rubber strips, and the tube 21 is located in a plastic tube.
When in use, the centrifugal tube 1 is arranged on the inner wall of the sleeve 3 through the buffer sleeve 2 and then is placed into a centrifuge; will treat that the scavenging solution drips into centrifuging tube 1, and the scavenging solution can not flow at this time because the purification packs to have the resistance, puts into centrifuge after, and centrifugal strength can let the scavenging solution flow in to sleeve pipe 3 through purifying the filler. The purification layer 5 is filled with purification filler, which is activated carbon, C18, PSA, or the like.
The centrifuge tube 1 is a polypropylene (PP) tube.
Through the design of the buffer sleeve 2, the buffer sleeve 2 is firstly sleeved on the outer side of the centrifuge tube 1 when in use, and the centrifuge tube 1 with different outer tube diameters can be conveniently used through the elastic deformation effect of the first convex edge 22 with the first through hole 23; meanwhile, the buffer sleeve 2 is conveniently installed in the outer sleeves 3 with different pipe diameters by the elastic deformation effect of the second convex edges with the first through holes 25 and the elastic deformation effect of the 24.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. Centrifugal purge tube subassembly based on liquid chromatography, including centrifuging tube (1) and suit in its outside and with bushing (3) of centrifuging tube (1) coaxial setting, its characterized in that: be equipped with sieve (6) and lower sieve (4) from top to bottom in centrifuging tube (1), it has purification layer (5) to go up to fill between sieve (6) and lower sieve (4), the bottom of centrifuging tube (1) is equipped with fluid-discharge tube (16) that supplies the liquid to flow out.
2. The centrifugal purification tube assembly based on liquid chromatography is characterized in that the centrifugal purification tube assembly (1) comprises a tube opening (12) located at the upper end of the centrifugal tube (1), the tube opening (12) is connected with a tube body (11), the bottom end of the tube body (11) is provided with a guide part (13) and connected with a filter section (14) through the guide part (13), the bottom end of the filter section (14) is provided with a flow guide part (15) with the caliber gradually reduced from top to bottom, and the flow guide part (15) is communicated with a liquid discharge pipe (16).
3. The centrifugal purge tube assembly based on liquid chromatography analysis of claim 2, wherein the lower sieve plate (4) is installed in the guide part (15), the purge layer (5) is filled from the upper surface of the lower sieve plate (4) to a height of 1/4 to 2/3 of the filter stage (14), and the upper sieve plate (6) is installed in the filter stage (14).
4. The centrifugal purge tube assembly according to claim 2, wherein the guide portion (13) is a slope inclined toward the inner side of the tube body (11), and the slope is at an angle of 20-45 ° with respect to the central axis of the tube body (11).
5. The centrifugal purge tube assembly based on liquid chromatography as claimed in claim 1, wherein a buffer sleeve (2) is further provided between the sleeve (3) and the centrifuge tube (1).
6. The centrifugal purge tube assembly based on liquid chromatography of claim 5, characterized in that, the buffer sleeve (2) comprises a tube body (21) sleeved outside the centrifugal tube (1), the inner wall surface of the tube body (21) is provided with a plurality of first ribs (22), and the outer peripheral side surface of the tube body (21) is provided with a plurality of second ribs (24).
7. The centrifugal purge tube assembly according to claim 6, wherein the first rib (22) and the second rib (24) are each a strip-shaped rib disposed along the length of the tube (21), the first rib (22) has a first through hole (23) disposed along the length thereof, and the second rib (24) has a second through hole (25) disposed along the length thereof.
8. The centrifugal purification tube assembly based on liquid chromatography is characterized in that the buffer sleeve (2) comprises a tube body (21) sleeved outside the centrifugal tube (1), the inner wall surface of the tube body (21) is provided with a plurality of buffer blocks, and the buffer blocks are provided with blind holes; the periphery side of the pipe body (21) is provided with a plurality of hemispherical structure elastic bulges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920549807.9U CN210427485U (en) | 2019-04-22 | 2019-04-22 | Centrifugal purification tube assembly based on liquid chromatographic analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920549807.9U CN210427485U (en) | 2019-04-22 | 2019-04-22 | Centrifugal purification tube assembly based on liquid chromatographic analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427485U true CN210427485U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920549807.9U Expired - Fee Related CN210427485U (en) | 2019-04-22 | 2019-04-22 | Centrifugal purification tube assembly based on liquid chromatographic analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834666A (en) * | 2021-03-22 | 2021-05-25 | 云南民族大学 | Manufacturing method of capsule type QuEChERS analysis pretreatment device |
-
2019
- 2019-04-22 CN CN201920549807.9U patent/CN210427485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834666A (en) * | 2021-03-22 | 2021-05-25 | 云南民族大学 | Manufacturing method of capsule type QuEChERS analysis pretreatment device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |