CN113138109A - Rotary repeated type device for extracting and enriching trace components in sample - Google Patents
Rotary repeated type device for extracting and enriching trace components in sample Download PDFInfo
- Publication number
- CN113138109A CN113138109A CN202110439021.3A CN202110439021A CN113138109A CN 113138109 A CN113138109 A CN 113138109A CN 202110439021 A CN202110439021 A CN 202110439021A CN 113138109 A CN113138109 A CN 113138109A
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- enrichment
- extracting
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- 239000007788 liquid Substances 0.000 claims abstract description 115
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000001179 sorption measurement Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000003252 repetitive effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The invention discloses a rotary repeated type device for extracting and enriching micro-components in a sample, which comprises a main body shell of the extracting and enriching device, wherein a liquid injection opening is formed in the upper surface of the main body shell of the extracting and enriching device, an electric push rod is fixedly arranged below the inner part of the main body shell of the extracting and enriching device, an enriching column mounting shell body is arranged above the electric push rod, and an inner support column is fixedly arranged behind the enriching column mounting shell body. Compared with the prior art, the invention provides a rotary repeated sample micro-component extraction and enrichment device, which has the following beneficial effects: this micro-component draws enrichment device can rotate the sample post for the sample is more even in sample post inside mixture, and can also make the device select two kinds of different modes of manual and motor drive rotation, and can also make the liquid circulate the enrichment, can make the device more thorough to the liquid enrichment.
Description
Technical Field
The invention relates to the technical field of a device for extracting and enriching trace components in a sample, in particular to a rotary repeated device for extracting and enriching trace components in a sample.
Background
In the field of analytical chemistry, most samples require pretreatment, i.e., conversion of the sample to a detectable form or separation of the components to be detected from interfering components for qualitative and quantitative analysis. The separation, extraction and enrichment technology has very important significance in the separation and detection pretreatment of substances. The separation method can achieve the effects of eliminating interference and enrichment in quantitative analysis, ensure the accuracy and reliability of analysis results and enlarge the analysis application range. Therefore, the accuracy of the analysis result is directly affected by the quality of the separation and extraction.
The existing device for extracting and enriching the trace components in the sample can not repeatedly process the liquid agent, thereby greatly influencing the quality of liquid agent enrichment, reducing the accuracy of trace element extraction, simultaneously not rotating the sample column, causing insufficient mixing of the liquid agent and influencing the problem of liquid agent treatment of the device.
Disclosure of Invention
The invention aims to provide a rotary repeated type device for extracting and enriching micro-components in a sample, which aims to solve the problems that the quality of liquid agent enrichment is greatly influenced and the accuracy of extraction of trace elements is reduced because the liquid agent cannot be repeatedly treated in the conventional device for extracting and enriching the micro-components in the sample proposed in the background art, and the liquid agent cannot be sufficiently mixed because a sample column cannot be rotated, so that the liquid agent treatment of the device is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a rotating and repeating type device for extracting and enriching micro-components in a sample comprises:
the upper surface of the extraction and enrichment device main body shell is provided with a liquid injection port;
the electric push rod is fixedly arranged below the inner part of the shell of the main body of the extraction and enrichment device, and an enrichment column mounting shell is arranged above the electric push rod;
an inner pillar fixedly installed at the rear of the enrichment column installation outer housing;
the positioning clamping plate is arranged inside the enrichment column installation outer shell;
the rotary disc is arranged above the enrichment column mounting outer shell, and a servo motor is arranged in the middle of the rear end of the rotary disc;
a liquid separation pipe arranged at the center of the front surface of the rotating disc;
the fixed seat is arranged above the rotating disc, a tank body clamping sleeve is arranged above the fixed seat, and an anti-skidding protection pad is arranged on the inner side of the tank body clamping sleeve.
Preferably, the positioning clamping plate is further provided with:
and the adsorption enrichment column is clamped and installed on the inner side of the positioning clamping plate, and a liquid discharge pipeline is arranged below the adsorption enrichment column.
Preferably, the drainage pipeline is further provided with:
and the circulating water pump is fixedly connected above the rear end of the liquid drainage pipeline, the top of the circulating water pump is connected with a first circulating pipeline, and the right end above the first circulating pipeline is connected with a hose.
Preferably, the rotating disc is further provided with:
and the fixing plates are arranged on the left side and the right side of the front surface of the rotating disc, and sample columns are arranged in the fixing plates.
Preferably, the rotating disc is further provided with:
the handle hexagonal hole is formed above the front surface of the rotating disc, and a hand-operated hexagonal handle is movably arranged inside the handle hexagonal hole.
Preferably, the hose is further provided with:
the flow velocity regulator is arranged on the outer side of the hose, sliding grooves are formed in the front outer wall and the rear outer wall of the flow velocity regulator, and clamping columns are arranged on the inner sides of the sliding grooves;
and the adjusting compression column is arranged at the right end of the hose.
Preferably, the anti-skid protection pad is further provided with:
and the liquid storage tank is clamped on the inner side of the anti-skid protection pad, and a tank bottom plate is arranged at the bottom end inside the liquid storage tank.
Preferably, the tank bottom plate is further provided with:
first play liquid rubber buffer, it sets up the inside bottom central point of tank bottoms puts, the internal connection of first play liquid rubber buffer has first toper drain pipe, the outage has been seted up to the top surface of first toper drain pipe.
Preferably, the sample column is further provided with:
the bottom plate in the column is fixed at the bottom end of the interior of the sample column, and a second liquid outlet rubber plug is arranged at the center position of the interior of the bottom plate in the column.
Preferably, the second goes out liquid rubber buffer and still is equipped with:
and the second conical liquid outlet pipe movably penetrates through the inner center of the second liquid outlet rubber plug.
Compared with the prior art, the invention provides a rotary repeated sample micro-component extraction and enrichment device, which has the following beneficial effects: this micro-component draws enrichment device can rotate the sample post for the sample is more even in sample post inside mixture, and can also make the device select two kinds of different modes of manual and motor drive rotation, and can also make the liquid circulate the enrichment, can make the device more thorough to the liquid enrichment.
1. The adsorption enrichment column can be conveniently positioned and installed through the positioning clamping plate, so that the adsorption enrichment column can be conveniently detached from the enrichment column installation outer shell after the adsorption enrichment column is used each time, the liquid absorbed and enriched by the adsorption enrichment column can be discharged into the sample column through the first circulating pipeline again through the work of the circulating water pump, the effect of repeatedly treating the liquid is achieved, and the high-quality effect is achieved;
2. according to the invention, through the rotation of the rotating disc, the two sample columns can be driven to rotate along with the rotation of the fixed plate, so that the liquid agent can be shaken in the sample columns at high strength, the liquid agent can be uniformly mixed in the sample columns, the hexagonal hole of the handle and the hand-operated hexagonal handle are clamped and fixed, a user can manually rotate the rotating disc, and the user can select manual operation or select a servo motor to drive selection according to actual conditions;
3. the invention can apply different pressures to the hose by adjusting the pressure column to slide up and down in the flow rate regulator, and when the pressure column is adjusted to slide upwards, the flow speed of the liquid agent in the hose can be reduced, so that the flow rate can be controlled, and a user can inject the liquid agent to be treated into the liquid storage tank through the liquid agent injection opening, so that the liquid agent can be stored;
4. the anti-skidding protection pad on the inner side of the tank body clamping sleeve can prevent the liquid storage tank from shaking in the tank body clamping sleeve, and can be used for conveniently taking down the liquid storage tank from the device so as to conveniently clean the liquid storage tank, so that the device can conveniently treat different liquid agents, the second liquid outlet rubber plug can ensure that the liquid agents cannot leak in the sample column, and the liquid agents mixed in the sample column can be conveniently discharged out of the device, and the second conical liquid outlet pipe can be indirectly driven to move upwards through the work of the electric push rod so as to be inserted into the second liquid outlet rubber plug in the vertical sample column, so that the liquid agents can be conveniently discharged into the adsorption enrichment column.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a flow rate regulator according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is a schematic side view of a portion of the rotating disk according to the present invention;
FIG. 6 is a schematic structural view of a hand-operated hexagonal handle according to the present invention;
FIG. 7 is a perspective view of the fixing base of the present invention;
FIG. 8 is a schematic perspective view of a sample column according to the present invention.
In the figure: 1. extracting the main body shell of the enrichment device; 2. a liquid injection port; 3. an inner strut; 4. an electric push rod; 5. the enrichment column is provided with an outer shell; 6. a liquid discharge conduit; 7. adsorbing an enrichment column; 8. positioning a clamping plate; 9. rotating the disc; 10. a liquid separation pipeline; 11. a fixing plate; 12. a sample column; 13. a hand-operated hexagonal handle; 14. a fixed seat; 15. a tank body is clamped; 16. a liquid storage tank; 17. a flow rate regulator; 18. a chute; 19. clamping the column; 20. adjusting the compression column; 21. a tank bottom plate; 22. a first liquid outlet rubber plug; 23. a first conical liquid outlet pipe; 24. a hose; 25. a servo motor; 26. a first circulation pipe; 27. a water circulating pump; 28. a handle hexagonal hole; 29. a drain hole; 30. an anti-skid protection pad; 31. a post inner floor; 32. a second conical liquid outlet pipe; 33. and a rubber plug is discharged from the second liquid outlet.
Detailed Description
Referring to fig. 1-8, the present invention provides a technical solution: a rotating and repeating type device for extracting and enriching micro-components in a sample comprises:
the extraction and enrichment device comprises an extraction and enrichment device main body shell 1, wherein a liquid injection opening 2 is formed in the upper surface of the extraction and enrichment device main body shell 1;
the electric push rod 4 is fixedly arranged at the lower part inside the main body shell 1 of the extraction and enrichment device, and an enrichment column mounting shell body 5 is arranged above the electric push rod 4;
an inner pillar 3 fixedly installed at the rear of the enrichment column installation outer case 5;
a positioning clamping plate 8 which is arranged inside the enrichment column mounting outer shell 5;
the rotating disc 9 is arranged above the enrichment column mounting outer shell 5, and the middle part of the rear end of the rotating disc 9 is provided with a servo motor 25;
a liquid separation pipe 10 disposed at the center of the front surface of the rotary disk 9;
the fixing seat 14 is arranged above the rotating disc 9, the tank body clamping sleeve 15 is arranged above the fixing seat 14, and the anti-skidding protection pad 30 is arranged on the inner side of the tank body clamping sleeve 15.
The positioning clamping plate 8 is also provided with:
the adsorption enrichment column 7 is clamped and installed on the inner side of the positioning clamping plate 8, and a liquid discharge pipeline 6 is arranged below the adsorption enrichment column 7; the positioning clamping plate 8 can conveniently position and install the adsorption enrichment column 7, so that the adsorption enrichment column 7 can be conveniently detached from the enrichment column installation outer shell 5 after the adsorption enrichment column 7 is used every time.
The drainage pipe 6 is also provided with:
the circulating water pump 27 is fixedly connected above the rear end of the liquid drainage pipeline 6, the top of the circulating water pump 27 is connected with a first circulating pipeline 26, and the right end above the first circulating pipeline 26 is connected with the hose 24; the operation of the circulating water pump 27 can discharge the liquid agent that has been adsorption-enriched by the adsorption-enrichment column 7 to the inside of the sample column 12 again through the first circulating pipe 26, thereby performing the function of repeatedly treating the liquid agent, which achieves a high quality effect.
The rotating disc 9 is also provided with:
a fixing plate 11 provided on both left and right sides of the front surface of the rotary disk 9, the fixing plate 11 having sample columns 12 provided therein; the rotation of rotary disk 9 can drive two sample posts 12 through fixed plate 11 and rotate thereupon to this can make the liquid carry out high-strength rocking in sample post 12 inside, can guarantee more evenly that the liquid mixes in sample post 12 inside with this.
The rotating disc 9 is also provided with:
a handle hexagonal hole 28 which is arranged above the front surface of the rotating disk 9, and a hand-operated hexagonal handle 13 is movably arranged in the handle hexagonal hole 28; the hexagonal handle hole 28 is fixed with the clamping of hand hexagonal handle 13, and the user can carry out manual rotation to rotary disk 9 to this user can select manual or select servo motor 25 to drive the selection according to the circumstances of reality.
The hose 24 is also provided with:
the flow velocity regulator 17 is arranged on the outer side of the hose 24, sliding grooves 18 are formed in the front outer wall and the rear outer wall of the flow velocity regulator 17, a clamping column 19 and a regulating pressure column 20 are arranged on the inner side of each sliding groove 18, and the regulating pressure column is arranged at the right end of the hose 24; the adjusting pressure column 20 slides up and down in the flow rate adjuster 17, different pressures can be applied to the hose 24, and when the adjusting pressure column 20 slides up, the flowing speed of the liquid agent in the hose 24 can be reduced, so that the flow rate can be controlled.
The anti-slip protection pad 30 is further provided with:
a liquid storage tank 16 clamped on the inner side of the anti-skid protection pad 30, wherein the bottom end in the liquid storage tank 16 is provided with a tank bottom plate 21; the user can inject the liquid agent to be treated into the liquid storage tank 16 through the liquid agent injection opening 2, thereby playing a role of storing the liquid agent.
The tank bottom plate 21 is further provided with:
the first liquid outlet rubber plug 22 is arranged at the center of the bottom end inside the tank bottom plate 21, a first conical liquid outlet pipe 23 is connected inside the first liquid outlet rubber plug 22, and a liquid outlet hole 29 is formed in the outer surface of the top end of the first conical liquid outlet pipe 23; the anti-skidding protection pad 30 on the inner side of the tank body clamping sleeve 15 can prevent the liquid storage tank 16 from shaking in the tank body clamping sleeve 15, and can also be used for conveniently taking down the liquid storage tank 16 from the device, so that the liquid storage tank 16 is conveniently cleaned, and the device is convenient for treating different liquid agents.
The sample column 12 is also provided with:
the column inner bottom plate 31 is fixed at the inner bottom end of the sample column 12, and a second liquid outlet rubber plug 33 is arranged at the inner center position of the column inner bottom plate 31; the second liquid outlet rubber plug 33 can ensure that the liquid agent does not leak in the sample column 12, and the mixed liquid agent in the sample column 12 can be conveniently discharged out of the device.
The second goes out liquid rubber buffer 33 and still is equipped with:
the second conical liquid outlet pipe 32 movably penetrates through the inner center position of the second liquid outlet rubber plug 33; the second conical liquid outlet pipe 32 can be indirectly driven to move upwards through the operation of the electric push rod 4, so that the second conical liquid outlet pipe 32 can be inserted into the second liquid outlet rubber plug 33 inside the vertical sample column 12, and the liquid agent can be conveniently discharged into the adsorption enrichment column 7.
The working principle is as follows: when the rotary repeating type device for extracting and enriching the micro-components in the samples is used, firstly, the liquid is injected into the liquid storage tank 16 through the liquid injection port 2 on the upper surface of the shell 1 of the main body of the extracting and enriching device, and is inserted into the central position of the first liquid outlet rubber plug 22 in the tank bottom plate 21 through the first conical liquid outlet pipe 23, so that the liquid flows into the sample column 12 fixed through the fixing plate 11 through the hose 24 and the liquid distribution pipeline 10, secondly, the hose 24 in the flow rate regulator 17 can be regulated in flow rate through regulating the pressing column 20 and the clamping column 19 to slide up and down in the sliding chute 18, secondly, the rotary disc 9 can be driven to rotate through the operation of the servo motor 25, and the rotary disc 9 can be manually rotated through the hand-operated hexagonal handle 13 and the handle hexagonal hole 28, so that the liquid in the sample column 12 can be uniformly mixed, after the mixing is completed, the sample column 12 is vertically placed, then the enrichment column mounting outer shell 5 is driven to move upwards through the work of the electric push rod 4, the second conical liquid outlet pipe 32 is driven to move upwards until the second conical liquid outlet pipe 32 is inserted into a second liquid outlet rubber plug 33 inside a bottom plate 31 in the column, so that the liquid agent can enter the adsorption enrichment column 7, the liquid agent is treated through the adsorption enrichment column 7, and finally the liquid agent treated by the adsorption enrichment column 7 is injected into the sample column 12 again through the liquid discharge pipeline 6 and the first circulating pipeline 26 through the work of the circulating water pump 27, so that the repeated treatment effect is achieved, and the working principle of the device for extracting and enriching the trace components in the rotary repeated sample is realized.
Claims (10)
1. A rotating repeated type device for extracting and enriching micro-components in a sample is characterized by comprising:
the upper surface of the extraction and enrichment device main body shell is provided with a liquid injection port;
the electric push rod is fixedly arranged below the inner part of the shell of the main body of the extraction and enrichment device, and an enrichment column mounting shell is arranged above the electric push rod;
an inner pillar fixedly installed at the rear of the enrichment column installation outer housing;
the positioning clamping plate is arranged inside the enrichment column installation outer shell;
the rotary disc is arranged above the enrichment column mounting outer shell, and a servo motor is arranged in the middle of the rear end of the rotary disc;
a liquid separation pipe arranged at the center of the front surface of the rotating disc;
the fixed seat is arranged above the rotating disc, a tank body clamping sleeve is arranged above the fixed seat, and an anti-skidding protection pad is arranged on the inner side of the tank body clamping sleeve.
2. The rotary reciprocating type apparatus for extracting and enriching micro-components from samples as claimed in claim 1, wherein the positioning plate further comprises:
the adsorption enrichment column is clamped and installed on the inner side of the positioning clamping plate, a liquid discharge pipeline is arranged below the adsorption enrichment column, and a second conical liquid outlet pipe is arranged above the adsorption enrichment column.
3. The rotary reciprocating type apparatus for extracting and enriching micro-components from a sample according to claim 2, wherein the drainage tube further comprises:
and the circulating water pump is fixedly connected above the rear end of the liquid drainage pipeline, the top of the circulating water pump is connected with a first circulating pipeline, and the right end above the first circulating pipeline is connected with a hose.
4. The apparatus of claim 1, wherein the apparatus comprises: the rotary disk is also provided with:
and the fixing plates are arranged on the left side and the right side of the front surface of the rotating disc, and sample columns are arranged in the fixing plates.
5. The apparatus as claimed in claim 1, wherein the rotary plate further comprises:
the handle hexagonal hole is formed above the front surface of the rotating disc, and a hand-operated hexagonal handle is movably arranged inside the handle hexagonal hole.
6. The apparatus as claimed in claim 3, wherein the flexible tube further comprises:
the flow velocity regulator is arranged on the outer side of the hose, sliding grooves are formed in the front outer wall and the rear outer wall of the flow velocity regulator, and clamping columns are arranged on the inner sides of the sliding grooves;
and the adjusting compression column is arranged at the right end of the hose.
7. The device for extracting and enriching micro-components in a rotating and repeating sample according to claim 1, wherein the anti-skid protective pad is further provided with:
and the liquid storage tank is clamped on the inner side of the anti-skid protection pad, and a tank bottom plate is arranged at the bottom end inside the liquid storage tank.
8. The apparatus of claim 7, wherein the tank base plate further comprises:
first play liquid rubber buffer, it sets up the inside bottom central point of tank bottoms puts, the internal connection of first play liquid rubber buffer has first toper drain pipe, the outage has been seted up to the top surface of first toper drain pipe.
9. The apparatus of claim 4, wherein the sample column further comprises:
the bottom plate in the column is fixed at the bottom end of the interior of the sample column, and a second liquid outlet rubber plug is arranged at the center position of the interior of the bottom plate in the column.
10. The rotary and repetitive sample micro-component extraction and enrichment device as claimed in claim 9, wherein the second liquid outlet rubber stopper is further provided with:
and the second conical liquid outlet pipe movably penetrates through the inner center of the second liquid outlet rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439021.3A CN113138109B (en) | 2021-04-23 | 2021-04-23 | Rotary repeated type device for extracting and enriching trace components in sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110439021.3A CN113138109B (en) | 2021-04-23 | 2021-04-23 | Rotary repeated type device for extracting and enriching trace components in sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113138109A true CN113138109A (en) | 2021-07-20 |
| CN113138109B CN113138109B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110439021.3A Expired - Fee Related CN113138109B (en) | 2021-04-23 | 2021-04-23 | Rotary repeated type device for extracting and enriching trace components in sample |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472050A (en) * | 2013-09-20 | 2013-12-25 | 华东交通大学 | Portable enrichment device for Raman detection of heavy metals |
| CN105203376A (en) * | 2015-09-24 | 2015-12-30 | 上海化工研究院 | Rotary and repeated type extracting and enriching device for microcomponents in sample |
| CN204944924U (en) * | 2015-09-06 | 2016-01-06 | 中国人民解放军63653部队 | The continuous enrichment and separation device of colloid in a kind of Rotary Water |
| US20170029760A1 (en) * | 2013-12-31 | 2017-02-02 | Gang Niu | Full-automatic microorganism detecting enrichment system and enrichment method thereof |
| CN106556534A (en) * | 2016-12-03 | 2017-04-05 | 百奥森（江苏）食品安全科技有限公司 | A kind of enriching apparatus of the portable Raman detection heavy metal of automatization |
| CN112526041A (en) * | 2020-11-10 | 2021-03-19 | 李宜珊 | Production type circulating multidimensional liquid chromatography separation system |
-
2021
- 2021-04-23 CN CN202110439021.3A patent/CN113138109B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472050A (en) * | 2013-09-20 | 2013-12-25 | 华东交通大学 | Portable enrichment device for Raman detection of heavy metals |
| US20170029760A1 (en) * | 2013-12-31 | 2017-02-02 | Gang Niu | Full-automatic microorganism detecting enrichment system and enrichment method thereof |
| CN204944924U (en) * | 2015-09-06 | 2016-01-06 | 中国人民解放军63653部队 | The continuous enrichment and separation device of colloid in a kind of Rotary Water |
| CN105203376A (en) * | 2015-09-24 | 2015-12-30 | 上海化工研究院 | Rotary and repeated type extracting and enriching device for microcomponents in sample |
| CN106556534A (en) * | 2016-12-03 | 2017-04-05 | 百奥森（江苏）食品安全科技有限公司 | A kind of enriching apparatus of the portable Raman detection heavy metal of automatization |
| CN112526041A (en) * | 2020-11-10 | 2021-03-19 | 李宜珊 | Production type circulating multidimensional liquid chromatography separation system |
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| CN113138109B (en) | 2022-07-01 |
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Granted publication date: 20220701 |