CN220759043U - Standard solution preparation workstation for experiments - Google Patents
Standard solution preparation workstation for experiments Download PDFInfo
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- CN220759043U CN220759043U CN202322002652.6U CN202322002652U CN220759043U CN 220759043 U CN220759043 U CN 220759043U CN 202322002652 U CN202322002652 U CN 202322002652U CN 220759043 U CN220759043 U CN 220759043U
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- 238000002360 preparation method Methods 0.000 title claims abstract description 92
- 239000012086 standard solution Substances 0.000 title claims abstract description 31
- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 183
- 238000004140 cleaning Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 239000011550 stock solution Substances 0.000 claims abstract description 25
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000000243 solution Substances 0.000 claims description 39
- 239000002305 electric material Substances 0.000 claims description 12
- 239000002699 waste material Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 21
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000011259 mixed solution Substances 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 19
- 239000012895 dilution Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000011343 solid material Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Accessories For Mixers (AREA)
Abstract
The utility model discloses a standard solution preparation workstation for experiments, which comprises a liquid preparation system, a stirring system for stirring liquid preparation, a cleaning system for cleaning a tank body of a liquid tank body and a control system; the liquid preparation system comprises a liquid preparation box, a stock solution box, a deionized water box, a solid storage bin and a standard liquid storage tank, wherein the liquid preparation box is respectively communicated with the stock solution box and the standard liquid storage tank, a liquid electromagnetic valve and an injection pump are arranged on a communication passage, the liquid preparation box is communicated with the deionized water box, the injection pump is arranged on the communication passage, the liquid preparation box is also communicated with the solid storage bin, and a material closing valve is arranged on the communication passage. The utility model can realize the full-automatic preparation of various liquid raw materials, various solid raw materials or mixed solution of liquid and solid raw materials, and has strong integration, high working efficiency and convenient use.
Description
Technical Field
The utility model relates to the technical field of solution preparation, in particular to a standard solution preparation workstation for experiments.
Background
The basic chemistry experiment of pharmacy has acid-base direct titration, preparation and calibration of hydrochloric acid standard solution, preparation and calibration of EDTA standard solution, preparation and calibration of sodium thiosulfate standard solution, preparation and calibration of iodine standard solution, etc., all involve the preparation of multiple standard solutions in the above experiment, for this purpose, accurately and rapidly prepare standard solution is a precondition for completing experimental operation.
The preparation of the traditional standard solution is completed manually by adopting equipment such as an analytical balance, a volumetric flask, a measuring cylinder, a liquid dispenser or a liquid shifter, the preparation process also needs to manually design a configuration flow and calculate weighing mass or dilution ratio, the operation process is time-consuming and labor-consuming, and the accuracy and precision of the standard solution often cannot well meet experimental requirements due to errors or misoperation of personal operation methods and used equipment, so that the working quality and working efficiency are greatly influenced. In addition, because some solutions are toxic and harmful volatile liquids, manual operation has high risk and is extremely easy to cause harm to the bodies of operators.
In order to solve the above problems, a semiautomatic solution dilution configuration apparatus and a fully automatic solution dilution configuration apparatus (such as an automatic solution dilution apparatus disclosed in chinese patent publication No. CN 218067329U) are proposed at present, but the apparatus is limited to solution preparation of liquid raw materials, solution preparation of solid raw materials cannot be performed, manual configuration flow design and dilution ratio calculation are still required in the preparation process, and the inner and outer walls of the system need to be manually cleaned in the earlier stage of preparation, so that accuracy and precision of the solution are also affected by residual solution, and working quality and working efficiency are still not high.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a standard solution preparation workstation for experiments so as to solve the technical problems.
The technical scheme is as follows: the utility model provides a standard solution preparation workstation for experiments, which comprises a solution preparation system, a stirring system for stirring solution preparation, a cleaning system for cleaning a tank body of a liquid tank body and a control system; the liquid preparation system comprises a liquid preparation box, a stock solution box, a deionized water box, a solid storage bin and a standard liquid storage tank, wherein the liquid preparation box is respectively communicated with the stock solution box and the standard liquid storage tank, a liquid electromagnetic valve and an injection pump are arranged on a communication passage, the liquid preparation box is communicated with the deionized water box, the injection pump is arranged on the communication passage, the liquid preparation box is also communicated with the solid storage bin, and a material closing valve is arranged on the communication passage.
Further, be equipped with first pipeline on stoste case and the liquid case intercommunication passageway of joining in marriage, be equipped with first syringe pump, first liquid solenoid valve and measurement groove on the first pipeline, first pipeline still is equipped with the branch road, be equipped with the second liquid solenoid valve on the branch road, be equipped with level sensor in the measurement groove, the measurement groove is through first siphunculus and join in marriage liquid case intercommunication, be provided with the third liquid solenoid valve on the first siphunculus.
Further, a second injection pump is arranged on the communication path between the liquid distribution box and the deionized water box, a flowmeter is arranged on a first liquid outlet pipe of the second injection pump, and the first liquid outlet pipe is communicated with the liquid distribution box.
Further, the solid material bin is arranged at the top of the liquid distribution box and is communicated with the liquid distribution box, and a first electric material closing valve, a weighing hopper and a second electric material closing valve are sequentially arranged on the communication passage, wherein the first electric material closing valve is used for controlling the discharging of the solid material bin, and the second electric material closing valve is used for controlling the discharging of the weighing hopper.
Further, the stirring system comprises stirring blades arranged in the liquid distribution box and a motor for driving the stirring blades to rotate, and the motor is connected with the stirring blades through a rotating rod.
Further, the standard liquid storage tank is communicated with the liquid distribution box through a second through pipe, a second liquid outlet pipe and a fourth injection pump, and a fourth liquid electromagnetic valve is arranged on the second liquid outlet pipe.
Further, the cleaning system comprises a cleaning water tank and a cleaning waste liquid storage tank, wherein the cleaning water tank is communicated with one end of the liquid distribution tank, and the cleaning waste liquid storage tank is communicated with the other end of the liquid distribution tank.
Further, the cleaning water tank is respectively communicated with the stock solution tank and the liquid distribution tank through a third injection pump, a third liquid outlet pipe of the third injection pump penetrates through the liquid distribution tank to be communicated with an atomization device, a fifth liquid electromagnetic valve is arranged between the cleaning water tank and the liquid distribution tank, and a sixth liquid electromagnetic valve is arranged between the cleaning water tank and the stock solution tank.
Further, the cleaning waste liquid storage tank is connected with the liquid distribution box through a second through pipe and a fourth injection pump, and a seventh liquid electromagnetic valve is arranged on the second through pipe.
Further, the control system comprises a controller, a user control panel and a control processor.
Further, the precision of each injection pump, the metering tank, the flowmeter and the weighing hopper is determined according to the actual preparation precision requirement.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
(1) According to the utility model, the cleaning water tank is arranged, the injection pump is arranged on the inner wall of the cleaning water tank, and the atomization device is arranged on the cleaning water pipeline, so that the cleaning effect is improved, and the accuracy and precision of residual solution are reduced;
(2) The utility model adopts the control system to realize automatic operation, thereby improving the working quality and the working efficiency;
(3) The utility model can realize the full-automatic preparation of various liquid raw materials, various solid raw materials or mixed solution of liquid and solid raw materials, and has the advantages of simple structure, strong integration, convenient use, high accuracy, good reproducibility, high working efficiency, high degree of automation and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Reference numerals: 1. a liquid preparation box; 2. stirring the leaves; 3. a motor; 4. a stock solution tank; 5. a metering tank; 6. a liquid level sensor; 7. a deionized water tank; 8. a flow meter; 9. a water tank for cleaning; 10. an atomizing device; 11. a solids bin; 12. weighing a hopper; 13. a standard liquid storage tank; 14. a cleaning waste liquid storage tank; 15. a controller; 151. a user control panel; 152. a control processor; 161. a first syringe pump; 162. a second syringe pump; 163. a third syringe pump; 164. a fourth syringe pump; 171. a first liquid solenoid valve; 172. a second liquid solenoid valve; 173. a third liquid solenoid valve; 174. a fourth liquid solenoid valve; 175. a fifth liquid solenoid valve; 176. a sixth liquid solenoid valve; 177. a seventh liquid solenoid valve; 181. a first electric closing valve; 182. a second electric closing valve; 19. a first pipeline; 20. a first through pipe; 21. a first liquid outlet pipe; 22. a rotating lever; 23. a second through pipe; 24. a second liquid outlet pipe; 25. and a third liquid outlet pipe.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
The standard solution preparation workstation for experiments disclosed by the utility model comprises a solution preparation system, a stirring system for stirring the solution preparation, a cleaning system for cleaning a tank body of a liquid tank body and a control system. The liquid preparation system comprises a liquid preparation box 1, a stock solution box 4, a deionized water box 7, a solid storage bin 11 and a standard liquid storage tank 13, wherein a first pipeline 19 is arranged on a communication path between the stock solution box 4 and the liquid preparation box 1, a first injection pump 161, a first liquid electromagnetic valve 171 and a metering tank 5 are arranged on the first pipeline 19, a branch is further arranged on the first pipeline 19, a second liquid electromagnetic valve 172 is arranged on the branch, a liquid level sensor 6 is arranged in the metering tank 5, the metering tank 5 is communicated with the liquid preparation box 1 through a first through pipe 20, and a third liquid electromagnetic valve 173 is arranged on the first through pipe 20. The second injection pump 162 is arranged on the communication passage between the liquid preparation tank 1 and the deionized water tank 7, the flowmeter 8 is arranged on the first liquid outlet pipe 21 of the second injection pump 162, and the first liquid outlet pipe 21 is communicated with the liquid preparation tank 1. The solid material bin 11 is arranged at the top of the liquid preparation box 1 and is communicated with the liquid preparation box 1, and a first electric material closing valve 181 for controlling the discharging of the solid material bin 11, a weighing hopper 12 and a second electric material closing valve 182 for controlling the discharging of the weighing hopper 12 are sequentially arranged on a communication passage. The stirring system comprises a stirring blade 2 arranged in the liquid preparation box 1 and a motor 3 for driving the stirring blade to rotate, and the motor 3 is connected with the stirring blade 2 through a rotating rod 22. The standard liquid storage tank 13 is communicated with the liquid distribution box 1 through a second through pipe 23, a second liquid outlet pipe 24 and a fourth injection pump 164, and a fourth liquid electromagnetic valve 174 is arranged on the second liquid outlet pipe 24.
The cleaning system comprises a cleaning water tank 9 and a cleaning waste liquid storage tank 14, wherein the cleaning water tank 9 is communicated with one end of the liquid preparation tank 1, and the cleaning waste liquid storage tank 14 is communicated with the other end of the liquid preparation tank 1. The cleaning water tank 9 is respectively communicated with the stock solution tank 4 and the liquid distribution tank 1 through a third injection pump 163, an atomization device 10 penetrates through the liquid distribution tank 1 through a third liquid outlet pipe 25 of the third injection pump 163, a fifth liquid electromagnetic valve 175 is arranged between the cleaning water tank 9 and the liquid distribution tank 1, and a sixth liquid electromagnetic valve 176 is arranged between the cleaning water tank 9 and the stock solution tank 4. The cleaning waste liquid tank 14 is connected to the liquid distribution tank 1 through a second pipe 23 and a fourth syringe pump 164, and a seventh liquid electromagnetic valve 177 is provided in the second pipe 23.
The control system includes a controller 15, a user control panel 151 and a control processor 152. The control processor 152 is electrically connected with the user control panel 151, the user control panel 151 adopts a touch display screen, the user control panel 151 can be used for inputting and displaying related parameters, and the control processor 152 can control the full-automatic operation of the system; the control processor 152 is electrically connected to the first syringe pump 161, the second syringe pump 162, the third syringe pump 163, the fourth syringe pump 164, the first liquid solenoid valve 171, the second liquid solenoid valve 172, the third liquid solenoid valve 173, the fourth liquid solenoid valve 174, the fifth liquid solenoid valve 175, the sixth liquid solenoid valve 176, the seventh liquid solenoid valve 177, the first electric blanking valve 181, the second electric blanking valve 182, and the driving motor 3, and the control processor 152 controls the operation of each syringe pump, solenoid valve, blanking valve, and motor 3, and the liquid level sensor 6 is connected to the control processor 152, and the control processor 152 collects data of the liquid level sensor 6.
Example 1
Preparing a liquid raw material solution: in the use process, an operator inputs data on a user control interface in the central controller 15 through the user control panel 151, and defines relevant parameters of solution preparation, including information such as the type of stock solution, the concentration of standard solution, the required volume and the like. The analytically pure stock solution is manually poured into the stock solution tank 4, and deionized water is filled in the deionized water tank 7. The control processor 152 is started to automatically prepare liquid in a liquid raw material preparation mode, the second liquid electromagnetic valve 172 on the raw liquid pipeline is closed, the first liquid electromagnetic valve 171 is opened, raw liquid in the raw liquid tank 4 is conveyed into the metering tank 5 through the first liquid electromagnetic valve 173, the content of the raw liquid in the metering tank 5 can be detected through the liquid level sensor 6 arranged on the outer wall of the metering tank 5, when the raw liquid overflows the liquid level sensor 6, the liquid level sensor 6 can transmit data to the control processor 152, the control processor 152 controls the first liquid electromagnetic valve 161 to stop working, the third liquid electromagnetic valve 173 is opened, and the raw liquid in the metering tank 5 is discharged into the liquid preparation tank 1. The control processor 152 is started to start the deionized water preparation mode to automatically prepare liquid, deionized water in the deionized water tank 7 is discharged into the internal liquid preparation tank 1 through the second syringe pump 162 and the flowmeter 8, and when the flowmeter 8 reaches a preset volume, the flowmeter 8 can transmit data to the control processor 152, and the control processor 152 controls the second syringe pump 162 to stop working. When the stock solution and the deionized water reach the solution preparing box 1, the control processor 152 controls the driving motor 3 to work to drive the stirring blade 2 to rotate, so as to stir each group of stock solution in the solution preparing box 1 and accelerate the uniform mixing of each group of stock solution. The control processor 152 opens the fourth fluid solenoid valve 174, closes the seventh fluid solenoid valve 177, and activates the fourth syringe pump 164 to deliver the prepared solution to the standard solution reservoir 13 for use.
After the standard solution preparation is finished, starting a reverse cleaning mode of the control processor 152, opening a second liquid electromagnetic valve 172 by the control processor 152, closing a first liquid electromagnetic valve 171, recovering the residual unused stock solution, closing the second liquid electromagnetic valve 172 and a fifth liquid electromagnetic valve 175 after the recovery is finished, opening the first liquid electromagnetic valve 171 and a sixth liquid electromagnetic valve 176, starting a third injection pump 163 and the first injection pump 161, and circularly cleaning the stock solution tank 4 and the metering tank 5 for a plurality of times by using cleaning water in the cleaning water tank 9; after the completion of the cleaning, the fifth liquid solenoid valve 175 is opened, the sixth liquid solenoid valve 176 is closed, and the liquid distribution tank 1 is repeatedly cleaned with the cleaning water in the cleaning water tank 9, whereby the cleaning effect can be improved by arranging the atomizing device 10. After the washing is finished, the control processor 152 closes the fourth liquid electromagnetic valve 174, opens the seventh liquid electromagnetic valve 177, and starts the fourth injection pump 164 to convey the washing waste liquid into the washing waste liquid storage tank 14 for treatment.
Example 2
Preparing a solid raw material solution: in use, an operator inputs data via the user control panel 151 on a user control interface in the controller 15 to define parameters related to the solution formulation, including information such as the type of solid raw material, the concentration of standard solution, and the volume required. The analytically pure solid raw material is manually poured into a solid material bin 11, and deionized water is filled in a deionized water tank 7. Starting the control processor 152 to start automatic liquid preparation in a solid raw material liquid preparation mode, opening the first electric material closing valve 181, closing the second electric material closing valve 182, and enabling the solid raw materials to fall into the weighing hopper 12; when the electronic scale sensor in the weighing hopper 12 senses that the weight reaches a preset value, data can be transmitted to the control processor 152, the control processor 152 controls the second electric material closing valve 182 to be opened, the first electric material closing valve 181 is closed, and solid raw materials fall into the liquid distribution box 1. The control processor 152 is started to start the deionized water preparation mode to automatically prepare liquid, deionized water in the deionized water tank 7 is discharged into the internal liquid preparation tank 1 through the second syringe pump 162 and the flowmeter 8, and when the flowmeter 8 reaches a preset volume, the flowmeter 8 can transmit data to the control processor 152, and the control processor 152 controls the second syringe pump 162 to stop working. When the stock solution and the deionized water reach the solution preparing box 1, the control processor 152 controls the driving motor 3 to work to drive the stirring blade 2 to rotate, so as to stir the raw materials in each group in the solution preparing box 1 and accelerate the uniform mixing of the raw materials in each group. The control processor 152 opens the fourth fluid solenoid valve 174, closes the seventh fluid solenoid valve 177, and activates the fourth syringe pump 164 to deliver the prepared solution to the standard solution reservoir 13 for use.
Example 3
Preparing mixed raw material solution: with the working procedures of example 1 and example 2, solid raw materials and liquid raw materials enter the liquid preparation tank 1 to be mixed and prepared.
Claims (10)
1. The standard solution preparation workstation for the experiment is characterized by comprising a solution preparation system, a stirring system for stirring the solution preparation, a cleaning system for cleaning a tank body of a liquid tank body and a control system; the liquid preparation system comprises a liquid preparation box (1), a stock solution box (4), a deionized water box (7), a solid storage bin (11) and a standard liquid storage tank (13), wherein the liquid preparation box (1) is respectively communicated with the stock solution box (4) and the standard liquid storage tank (13), a liquid electromagnetic valve and an injection pump are arranged on a communication passage, the liquid preparation box (1) is communicated with the deionized water box (7), the injection pump is arranged on the communication passage, the liquid preparation box (1) is also communicated with the solid storage bin (11), and a material-closing valve is arranged on the communication passage.
2. The standard solution preparation workstation for experiments according to claim 1, wherein a first pipeline (19) is arranged on a communication path between the stock solution tank (4) and the solution preparation tank (1), a first injection pump (161), a first liquid electromagnetic valve (171) and a metering tank (5) are arranged on the first pipeline (19), the first pipeline (19) is further provided with a branch, a second liquid electromagnetic valve (172) is arranged on the branch, a liquid level sensor (6) is arranged in the metering tank (5), the metering tank (5) is communicated with the solution preparation tank (1) through a first through pipe (20), and a third liquid electromagnetic valve (173) is arranged on the first through pipe (20).
3. The standard solution preparation workstation for experiments according to claim 1, wherein a second injection pump (162) is arranged on a communication path between the solution preparation tank (1) and the deionized water tank (7), a flowmeter (8) is arranged on a first liquid outlet pipe (21) of the second injection pump (162), and the first liquid outlet pipe (21) is communicated with the solution preparation tank (1).
4. The standard solution preparation workstation for experiments according to claim 1, wherein the solid storage bin (11) is arranged at the top of the liquid preparation box (1) and is communicated with the liquid preparation box (1), and a first electric material closing valve (181) for controlling the discharging of the solid storage bin (11), the weighing hopper (12) and a second electric material closing valve (182) for controlling the discharging of the weighing hopper (12) are sequentially arranged on the communication passage.
5. The standard solution preparation workstation for experiments according to claim 1, wherein the stirring system comprises stirring blades (2) arranged in the solution preparation tank (1) and a motor (3) for driving the stirring blades to rotate, and the motor (3) is connected with the stirring blades (2) through a rotating rod (22).
6. The standard solution preparation workstation for experiments according to claim 1, wherein the standard solution storage tank (13) is communicated with the solution preparation tank (1) through a second through pipe (23), a second liquid outlet pipe (24) and a fourth injection pump (164), and a fourth liquid electromagnetic valve (174) is arranged on the second liquid outlet pipe (24).
7. The standard solution preparation workstation for experiments according to claim 1, wherein the cleaning system comprises a cleaning water tank (9) and a cleaning waste liquid storage tank (14), the cleaning water tank (9) is communicated with one end of the solution preparation tank (1), and the cleaning waste liquid storage tank (14) is communicated with the other end of the solution preparation tank (1).
8. The standard solution preparation workstation for experiments according to claim 7, wherein the cleaning water tank (9) is respectively communicated with the stock solution tank (4) and the solution preparation tank (1) through a third injection pump (163), a third liquid outlet pipe (25) of the third injection pump (163) penetrates through the solution preparation tank (1) to be communicated with an atomization device (10), a fifth liquid electromagnetic valve (175) is arranged between the cleaning water tank (9) and the solution preparation tank (1), and a sixth liquid electromagnetic valve (176) is arranged between the cleaning water tank (9) and the stock solution tank (4).
9. The standard solution preparation workstation for experiments according to claim 7, wherein the cleaning waste liquid storage tank (14) is connected with the solution preparation tank (1) through a second through pipe (23) and a fourth injection pump (164), and a seventh liquid electromagnetic valve (177) is arranged on the second through pipe (23).
10. The standard solution preparation station for experiments according to claim 1, wherein the control system comprises a controller (15), a user control panel (151) and a control processor (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002652.6U CN220759043U (en) | 2023-07-28 | 2023-07-28 | Standard solution preparation workstation for experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002652.6U CN220759043U (en) | 2023-07-28 | 2023-07-28 | Standard solution preparation workstation for experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220759043U true CN220759043U (en) | 2024-04-12 |
Family
ID=90603415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322002652.6U Active CN220759043U (en) | 2023-07-28 | 2023-07-28 | Standard solution preparation workstation for experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220759043U (en) |
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2023
- 2023-07-28 CN CN202322002652.6U patent/CN220759043U/en active Active
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