A timed chromatography apparatus for assisting in securing filter paper strips

Abstract

The utility model relates to filter paper strip chromatography test device technical field discloses a kind of fixed filter paper strip's timing chromatography device, including container box and the partition plate installed in the inside of container box, the inside of container box is separated into chromatography liquid use cavity and chromatography liquid storage cavity by partition plate.The utility model, by being equipped with multiple metal clamping slot frame, can be simultaneously chromatographed to multiple groups, to chromatography paper support anti-wrinkle, the top of container box is equipped with sealing upper cover, prevent the volatilization of toxic solvent, timing flow guide pump, chromatography liquid in chromatography liquid use cavity can be guided to chromatography liquid storage cavity, avoid to dissolve pigment in chromatography liquid, liquid storage tank is by timing flow guide pipe, chromatography liquid is injected into chromatography liquid use cavity, keep the liquid level balance of chromatography liquid, make device chromatography anti-wrinkle support effect good, can realize multiple groups simultaneously chromatography, improve efficiency, simultaneously, good poison tightness, can be automatically timed flow guide adjustment chromatography liquid, experimental success rate is high, and experimental quality is good.

Description

Technical Field

[0001] This utility model relates to the technical field of filter paper strip chromatography test devices, and in particular to a timed chromatography device for assisting in fixing filter paper strips. Background Technology

[0002] In the separation and analysis of substances in chemistry, biology, and other fields, paper chromatography is a commonly used and simple separation technique. Its core principle lies in capillary action and the principle of "like dissolves like": the filter paper strip acts as the stationary phase carrier, and its fibrous structure allows the mobile phase (chromatographic solvent) to slowly diffuse upwards via capillary action. The substances to be separated (such as various pigments in green leaves) have different partition coefficients between the stationary and mobile phases, and diffuse at different rates with the chromatographic solvent, ultimately achieving the separation of different substances into layers. This technique is widely used in high school biology teaching, aiming to help students intuitively understand the principles of substance separation and pigment composition. Excluding factors such as insufficient grinding and incomplete filtration leading to insufficient pigment purity during the extraction of green leaf pigments, the instability of capillary action during chromatography is the most significant cause of experimental failure; statistical data shows that the success rate in classroom experiments is only around 50%.

[0003] In the chromatography experiments using filter paper strips, the instability of capillary action has a significant impact. For example, if the filtrate thread is submerged in or in contact with the chromatography solvent, or if the filter paper strip is not properly fixed, it may become limp, skewed, bent, or stick to the wall of the container containing the chromatography solvent after absorbing the liquid. All of these factors lead to uneven pigment band chromatography and failed color development, greatly affecting the accuracy of the filter paper strip chromatography experiments. Furthermore, the filter paper's stable clamping and fixing ability is relatively insufficient, and the chromatography solvent needs frequent replacement and adjustment during experiments to prevent pigment dissolution. Frequent manual replacement can easily cause experimental contamination and cannot effectively prevent contact with toxic reagents. Additionally, automated chromatography solvent diversion, discharge, and addition are not convenient enough, and the automated water supply and drainage capabilities are inadequate, affecting the accuracy and ease of operation of the experiment. Therefore, we propose a timed chromatography device to assist in fixing the filter paper strip and solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a timed chromatography device that assists in fixing filter paper strips, thereby solving the problems described above.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A timed chromatography device for assisting in fixing filter paper strips includes a container box and a partition plate installed inside the container box. The interior of the container box is divided into a chromatography solution usage chamber and a chromatography solution storage chamber by the partition plate. The inner wall of the container is magnetically fitted with multiple metal slot frames. The top of the container is sealed with a sealing cover. A timed flow pump is provided on the outside of the container. The output and input ends of the timed flow pump are connected to a circulation pipe that runs through the container. The two circulation pipes are respectively connected to the chromatography solvent usage chamber and the chromatography solvent storage chamber. A liquid storage tank is provided on the side of the container. The bottom of the liquid storage tank is provided with a timed flow pipe connected to the chromatography solvent usage chamber. Solution graduation lines are provided on the side of the container. A liquid level measuring device is provided on the inside of the container.

[0006] Preferably, the bottom of the side of the container box is provided with a drain guide pipe that connects to the chromatography solution storage chamber. Both the container box and the sealing cover are made of transparent material, and the chromatography solution usage chamber is located directly below the chromatography solution storage chamber.

[0007] Preferably, the inner side of the metal slot frame is filled with chromatography filter paper, and the bottom of the chromatography filter paper extends out of the metal slot frame.

[0008] Preferably, the back of the container box is provided with a metal magnetic plate, and both sides of the back of the metal card slot frame are provided with magnetic mounting strips. The magnetic mounting strips are magnetically attached to the metal magnetic plate, and the magnetic mounting strips and the metal magnetic plate are respectively attached to the inside and outside of the container box.

[0009] Preferably, the inner bottom of the sealing cover is provided with a leak-proof protective strip, the leak-proof protective strip is sleeved and sealed to the top of the outer side of the container box, and the top of the sealing cover is provided with a switch handle.

[0010] Preferably, the container box is provided with a mounting bracket on its side, the timed flow pump is fixedly mounted on the mounting bracket, and the container box is provided with a controller on its side, the controller being electrically connected to the timed flow pump, the timed flow pipe and the liquid level measuring device respectively.

[0011] Preferably, the liquid storage tank is installed on the top of the side of the container box, the top of the liquid storage tank is provided with a water inlet pipe, and the timed flow guide pipe is provided with a timed control valve.

[0012] Preferably, the inner wall of the container is provided with a filtrate scale line and a maximum filtrate scale line, which are respectively set on the solution scale line, and the two liquid level measuring instruments are respectively set on the side of the filtrate scale line and the maximum filtrate scale line.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. This timed chromatography device for auxiliary fixing of filter paper strips has multiple metal slot frames magnetically installed on the inner wall of the container. The chromatography paper can be inserted into the inner side of the metal slot frames, so that the chromatography paper is not easily wrinkled or softened after being soaked in the chromatography solution, and the pigment band uniformity is high. Moreover, multiple metal slot frames can realize multiple sets of simultaneous chromatography, improving efficiency. The top of the container is equipped with a sealing cover, which plays a sealing and closing role during chromatography experiments, preventing toxic reagents from coming into contact with people, providing good protection. The device has good anti-wrinkle support for chromatography, can realize multiple sets of simultaneous chromatography, improve efficiency, and has good anti-toxic sealing performance.

[0014] 2. This timed chromatography device with auxiliary filter paper strip fixation features a partition plate inside the container, dividing it into a chromatography solvent usage chamber and a chromatography solvent storage chamber. The chromatography paper can be used for chromatography within the usage chamber. A timed flow pump and circulation tube provide power to guide the chromatography solvent from the usage chamber to the storage chamber, preventing pigment dissolution in the solvent. Simultaneously, the liquid storage tank can be timed to inject chromatography solvent into the usage chamber via the timed flow tube. The solution graduation marks allow for direct measurement of pigment dissolution, and the level gauge detects the liquid level depth to maintain solvent level balance. Both the timed flow pump and timed flow tube provide timed chromatography solvent flow, ensuring automated and stable timing. This allows the device to automatically adjust the chromatography solvent flow at set times, resulting in a high experimental success rate and excellent experimental quality. Attached Figure Description

[0015] Figure 1 This invention provides a frontal perspective three-dimensional schematic diagram of a timed chromatography device for assisting in fixing filter paper strips; Figure 2 This utility model provides a front view of a three-dimensional cross-sectional diagram of a timed chromatography device for assisting in fixing filter paper strips; Figure 3 This utility model provides a top-view perspective view of a timed chromatography device for assisting in fixing filter paper strips; Figure 4 This utility model provides a side view sectional perspective of a timed chromatography device for assisting in fixing filter paper strips; Figure 5 This is a frontal perspective three-dimensional schematic diagram of the metal card slot frame and magnetic mounting strip connection mechanism of this utility model.

[0016] In the diagram: 1. Container box; 101. Drainage guide pipe; 102. Chromatography filter paper; 2. Partition plate; 3. Chromatography solution usage chamber; 4. Chromatography solution storage chamber; 5. Metal slot frame; 501. Metal magnetic suction plate; 502. Magnetic suction mounting strip; 6. Sealing top cover; 601. Leak-proof protective strip; 602. Switch handle; 7. Liquid storage tank; 701. Water inlet pipe; 8. Timed flow pump; 801. Mounting bracket; 9. Circulation guide pipe; 10. Timed flow guide pipe; 1001. Timed control valve; 11. Solution graduation mark; 111. Filtrate graduation mark; 112. Filtrate maximum graduation mark; 12. Liquid level measuring device; 13. Controller. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] Please see Figures 1-5 A timed chromatography device for assisting in fixing filter paper strips includes a container box 1 and a partition plate 2 installed inside the container box 1. The interior of the container box 1 is divided by the partition plate 2 into a chromatography solution use chamber 3 and a chromatography solution storage chamber 4. The inner wall of container 1 is magnetically fitted with multiple metal slot frames 5. The top of container 1 is sealed with a sealing cover 6. The outer side of container 1 is equipped with a timed flow pump 8. The output and input ends of the timed flow pump 8 are connected to a circulation pipe 9 that runs through container 1. The two circulation pipes 9 are respectively connected to the chromatography solvent use chamber 3 and the chromatography solvent storage chamber 4. The side of container 1 is equipped with a liquid storage tank 7. The bottom of the liquid storage tank 7 is equipped with a timed flow pipe 10 that connects to the chromatography solvent use chamber 3. The side of container 1 is equipped with a solution scale line 11. The inner side of container 1 is equipped with a liquid level measuring device 12. The beneficial effects that this plan aims to achieve are: Multiple metal slot frames 5 are magnetically installed on the inner wall of container box 1. Chromatography paper can be inserted into the inner side of the metal slot frames 5, so that the chromatography paper is not easily wrinkled or softened after being soaked in chromatography solution, and the pigment band has high uniformity. Multiple metal slot frames 5 can realize multiple sets of simultaneous chromatography, improving efficiency. The top of container box 1 is equipped with a sealing cover 6, which plays a sealing and closing role during chromatography experiments, preventing toxic reagents from coming into contact with people, and providing good protection. The container 1 has an internal partition 2 that divides it into a chromatography solvent usage chamber 3 and a chromatography solvent storage chamber 4. Chromatography paper can be used for chromatography in the chromatography solvent usage chamber 3. A timed flow pump 8 and a circulation pipe 9 provide power to guide the chromatography solvent from the usage chamber 3 to the storage chamber 4, preventing pigments from dissolving in the chromatography solvent. Simultaneously, the liquid storage tank 7 can be timed to inject chromatography solvent into the usage chamber 3 via a timed flow pipe 10. A level gauge 12 detects the liquid level depth to maintain the chromatography solvent level. The liquid level balance of the chromatography solution is maintained by both the timed flow pump 8 and the timed flow tube 10, which can perform timed flow of the chromatography solution. The automatic timing is stable, and the solution scale line 11 provides the operator with a very intuitive comparison, avoiding the dissolution of pigments in the chromatography solution and preventing contamination that could lead to experimental failure. The device has a good anti-wrinkle support effect, can realize multiple groups of simultaneous chromatography, improve efficiency, and has good anti-toxic sealing. It can automatically adjust the flow of the chromatography solution at timed intervals, resulting in a high success rate and good experimental quality.

[0020] Furthermore, the bottom side of the container box 1 is provided with a drain guide pipe 101 that connects to the chromatography solution storage chamber 4. Both the container box 1 and the sealing cover 6 are made of transparent material, and the chromatography solution usage chamber 3 is located directly below the chromatography solution storage chamber 4. Specifically, the bottom side of the container box 1 is provided with a drain pipe 101 that connects to the chromatography solution storage chamber 4. The chromatography solution in the chromatography solution storage chamber 4 can be stably drained by the drain pipe 101, which facilitates the use of media and prevents filtrate contamination. Both the container box 1 and the sealing cover 6 are made of transparent material, which allows for direct observation of the experimental conditions inside the box from the outside. The experimental operation is convenient. In addition, the chromatography solution use chamber 3 is located directly below the chromatography solution storage chamber 4, which has good adaptability to chromatography solution flow, stable operation, and allows for timed drainage and diversion operations.

[0021] Furthermore, the inner side of the metal card slot frame 5 is filled with chromatography filter paper 102, and the bottom of the chromatography filter paper 102 extends out of the metal card slot frame 5. Specifically, the inner side of the metal slot frame 5 is filled with chromatography filter paper 102, which can stably insert the chromatography filter paper 102 into the metal slot frame 5, and play a supporting and fixing role for the chromatography filter paper 102. This makes the chromatography filter paper 102 less prone to wrinkling and softening after being soaked in the chromatography solution, resulting in high uniformity of pigment band chromatography and good uniformity of filtrate band. The bottom of the chromatography filter paper 102 extends out of the metal slot frame 5, which facilitates chromatography experiments on the chromatography filter paper 102.

[0022] Furthermore, the back of the container box 1 is provided with a metal magnetic plate 501, and both sides of the back of the metal card slot frame 5 are provided with magnetic mounting strips 502. The magnetic mounting strips 502 are magnetically corresponding to the metal magnetic plate 501, and the magnetic mounting strips 502 and the metal magnetic plate 501 are respectively attached to the inside and outside of the container box 1. Specifically, the back of the container box 1 is provided with a metal magnetic plate 501, and the metal card slot frame 5 can be magnetically attracted to the metal magnetic plate 501 by the magnetic mounting strip 502, so that the magnetic mounting strip 502 can be magnetically positioned on the inner wall of the container box 1, and the metal magnetic plate 501 and the magnetic mounting strip 502 can be magnetically clamped inside and outside the container box 1, which facilitates the installation and fixation of the metal card slot frame 5 and has good adaptability.

[0023] Furthermore, the bottom inner side of the sealing cover 6 is provided with a leak-proof protective strip 601, which is sleeved and sealed to the top of the outer side of the container box 1. The top of the sealing cover 6 is provided with a switch handle 602. Specifically, the inner bottom of the sealing cover 6 is provided with a leak-proof protective strip 601. The sealing cover 6 is sealed to the top of the container box 1 by the leak-proof protective strip 601. The sealing effect is good, so that the volatile organic solvents in the container box 1 are not easy to leak during the chromatography experiment. The leak-proof protection effect is good. The top of the sealing cover 6 is provided with a switch handle 602, which facilitates the opening and closing of the sealing cover 6.

[0024] Furthermore, a mounting bracket 801 is provided on the side of the container box 1, and the timed diversion pump 8 is fixedly installed on the mounting bracket 801. A controller 13 is provided on the side of the container box 1, and the controller 13 is electrically connected to the timed diversion pump 8, the timed diversion pipe 10 and the liquid level measuring device 12 respectively. Specifically, the side of the container box 1 is provided with a mounting bracket 801 to facilitate the support and installation of the timed diversion pump 8. The controller 13 can control the switching operation of the timed diversion pump 8, the timed diversion pipe 10 and the liquid level measuring device 12. The timed diversion pump 8 and the timed diversion pipe 10 can be used for positioning operation. The two liquid level measuring devices 12 can measure the liquid level, so that the chromatography liquid is not too much or too little, making it convenient to use.

[0025] Furthermore, the liquid storage tank 7 is installed on the top of the side of the container tank 1, and the top of the liquid storage tank 7 is provided with a water inlet pipe 701, and the timer guide pipe 10 is provided with a timer control valve 1001. Specifically, the liquid storage tank 7 is installed on the top of the side of the container tank 1. The top of the liquid storage tank 7 is equipped with a water inlet pipe 701, which facilitates the flow of the chromatography liquid into the liquid storage tank 7. The liquid storage tank 7 has good operation and storage effect. The timed flow guide pipe 10 is equipped with a timed control valve 1001, which facilitates the control of the liquid delivery of the timed flow guide pipe 10. Since the height of the chromatography liquid in the liquid storage tank 7 is higher than the liquid level in the chromatography liquid use chamber 3, the flow can be stably guided by the timed flow guide pipe 10. The timed control valve 1001 plays the role of switching the flow, which is convenient to use.

[0026] Furthermore, the inner wall of the container 1 is provided with a filtrate scale line 111 and a maximum filtrate scale line 112, which are respectively set on the solution scale line 11. Two liquid level measuring instruments 12 are respectively set on the side of the filtrate scale line 111 and the maximum filtrate scale line 112. Specifically, the inner wall of the container 1 is provided with a filtrate graduation line 111 and a maximum filtrate graduation line 112, which can stably mark the minimum and maximum liquid levels of the chromatography solution. The filtrate graduation line 111 and the maximum filtrate graduation line 112 correspond to two liquid level measuring devices 12, respectively. When the liquid level is too low or too high, the liquid level measuring device 12 can be triggered, and the timed flow pump 8 and the timed flow pipe 10 will respectively inject and discharge the liquid level, which is convenient for adjustment.

[0027] How to use and how to work this device: Multiple metal slot frames 5 are arranged at equal intervals on the back of the container box 1. The chromatography paper can be inserted into the inside of the metal slot frames 5 to provide positioning and support. This makes the chromatography paper less prone to wrinkling and softening after being soaked in the chromatography solution. The pigment band has high uniformity in chromatography, and the filtrate band has good uniformity. In addition, the multiple metal slot frames 5 can realize multiple sets of simultaneous chromatography, which improves efficiency. The top of the container box 1 is equipped with a sealing cover 6, which plays a sealing and closing role during chromatography experiments to prevent toxic reagents from coming into contact with people, and has a good protective effect. The container 1 has an internal partition 2 that divides it into a chromatography solvent use chamber 3 and a chromatography solvent storage chamber 4. The chromatography solvent use chamber 3 can be filled with chromatography solvent. When it is necessary to adjust the chromatography solvent and maintain the stability of the pigment, it is usually necessary to use a timed flow pump 8 and a circulation flow tube 9 to guide the chromatography solvent in the chromatography solvent use chamber 3 to the chromatography solvent storage chamber 4 for storage, which prevents the chromatography solvent from being lost, saves media, and prevents contamination. The solution scale line 11 provides a very intuitive comparison for the operator, avoiding the dissolution of pigment in the chromatography solvent, which would contaminate the chromatography solvent and lead to experimental failure. The side of the container 1 is equipped with a liquid storage tank 7, which can store the chromatography solution. The chromatography solution is guided to the interior of the chromatography solution use chamber 3 by a timed guide tube 10 at regular intervals. At the same time, the chromatography solution in the liquid storage tank 7 is guided to the chromatography solution use chamber 3 by a timed guide tube 10 at regular intervals. Simultaneously, the chromatography solution is guided from the chromatography solution use chamber 3 to the chromatography solution storage chamber 4 by a timed guide pump 8, so as to stably maintain the volume of chromatography solution in the chromatography solution use chamber 3. The lowest and highest scales of the chromatography solution are equipped with liquid level measuring devices 12, which can monitor the liquid level of the chromatography solution in real time by two liquid level measuring devices 12. Thus, the volume of chromatography solution in the chromatography solution use chamber 3 can be kept constant during the flow of chromatography solution. It is convenient to operate and use, greatly improves the chromatography quality of the chromatography solution, and has a high experimental success rate. The bottom side of the container box 1 is provided with a drain pipe 101 that connects to the chromatography solution storage chamber 4. The chromatography solution in the chromatography solution storage chamber 4 can be stably drained through the drain pipe 101, which facilitates the use of media and prevents filtrate contamination. The container box 1 and the sealing cover 6 are both made of transparent material, which allows for direct observation of the experimental conditions inside the box from the outside. The experimental operation is convenient. The chromatography solution use chamber 3 is located directly below the chromatography solution storage chamber 4. The chromatography solution has good adaptability and stable operation. Drainage and diversion operations can be performed at regular intervals. The inner side of the metal slot frame 5 is filled with chromatography filter paper 102, which can stably insert the chromatography filter paper 102 into the metal slot frame 5, and play a supporting and fixing role for the chromatography filter paper 102. This makes the chromatography filter paper 102 less prone to wrinkling and softening after being soaked in the chromatography solution, and the pigment band has high uniformity and the filtrate band has good uniformity. The bottom of the chromatography filter paper 102 extends out of the metal slot frame 5, which facilitates chromatography experiments on the chromatography filter paper 102. The back of the container box 1 is provided with a metal magnetic plate 501. The metal slot frame 5 can be magnetically attracted to the metal magnetic plate 501 by the magnetic mounting strip 502, so that the magnetic mounting strip 502 can be magnetically positioned on the inner wall of the container box 1. The metal magnetic plate 501 and the magnetic mounting strip 502 can be magnetically clamped inside and outside the container box 1, which facilitates the installation and fixation of the metal slot frame 5 and has good adaptability. The inner bottom of the sealing cover 6 is provided with a leak-proof protective strip 601. The sealing cover 6 is sealed to the top of the container box 1 by the leak-proof protective strip 601. The sealing effect is good, so that the volatile organic solvents in the container box 1 are not easy to leak during the chromatography experiment, and the leak-proof protection effect is good. The top of the sealing cover 6 is provided with a switch handle 602, which facilitates the opening and closing of the sealing cover 6. The side of the container box 1 is provided with a mounting bracket 801 to facilitate the support and installation of the timed diversion pump 8. The controller 13 can control the switching operation of the timed diversion pump 8, the timed diversion tube 10 and the liquid level measuring device 12. The timed diversion pump 8 and the timed diversion tube 10 can be used for positioning operation. The two liquid level measuring devices 12 can measure the liquid level, so that the chromatography liquid is not too much or too little, and it is convenient to use. The liquid storage tank 7 is installed on the top of the side of the container tank 1. The top of the liquid storage tank 7 is equipped with a water inlet pipe 701, which facilitates the flow of the chromatography liquid into the liquid storage tank 7. The liquid storage tank 7 has good operation and storage effect. The timed flow guide pipe 10 is equipped with a timed control valve 1001, which facilitates the control of the liquid delivery of the timed flow guide pipe 10. Since the height of the chromatography liquid in the liquid storage tank 7 is higher than the liquid level in the chromatography liquid use chamber 3, the flow can be stably guided by the timed flow guide pipe 10. The timed control valve 1001 plays the role of switching the flow, which is convenient to use. The inner wall of container 1 is provided with a filtrate graduation line 111 and a maximum filtrate graduation line 112, which can stably mark the minimum and maximum liquid levels of the chromatography solution. The filtrate graduation line 111 and the maximum filtrate graduation line 112 correspond to two liquid level measuring devices 12, respectively. When the liquid level is too low or too high, the liquid level measuring device 12 can be triggered, and the timed flow pump 8 and the timed flow pipe 10 will respectively inject and discharge the liquid level, which is convenient for adjustment. The device provides excellent anti-wrinkle support for chromatography, enabling simultaneous chromatography of multiple groups and improving efficiency. It also features good anti-toxic sealing, automatic timed flow adjustment of the chromatography solution, high experimental success rate, and good experimental quality.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A timed chromatography apparatus for assisting in fixing filter paper strips, comprising a container (1) and a partition plate (2) installed inside the container (1), characterized in that: The interior of the container (1) is divided into a chromatography solution use chamber (3) and a chromatography solution storage chamber (4) by a partition plate (2); The inner wall of the container box (1) is magnetically fitted with multiple metal slot frames (5). The top of the container box (1) is sealed with a sealing cover (6). The outer side of the container box (1) is provided with a timed flow pump (8). The output end and input end of the timed flow pump (8) are connected to a circulation flow pipe (9) that penetrates the container box (1). The two circulation flow pipes (9) are respectively connected to the chromatography solution use chamber (3) and the chromatography solution storage chamber (4). The side of the container box (1) is provided with a liquid storage tank (7). The bottom of the liquid storage tank (7) is provided with a timed flow pipe (10) connected to the chromatography solution use chamber (3). The side of the container box (1) is provided with a solution scale line (11). The inner side of the container box (1) is provided with a liquid level measuring device (12).

2. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The bottom of the side of the container box (1) is provided with a drain pipe (101) that connects to the chromatography liquid storage chamber (4). The container box (1) and the sealing cover (6) are both made of transparent material. The chromatography liquid use chamber (3) is located directly below the chromatography liquid storage chamber (4).

3. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The inner side of the metal slot frame (5) is filled with chromatography filter paper (102), and the bottom of the chromatography filter paper (102) extends out of the metal slot frame (5).

4. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The back of the container box (1) is provided with a metal magnetic plate (501), and both sides of the back of the metal card slot frame (5) are provided with magnetic mounting strips (502). The magnetic mounting strips (502) are magnetically attached to the metal magnetic plate (501), and the magnetic mounting strips (502) and the metal magnetic plate (501) are respectively attached to the inside and outside of the container box (1).

5. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The inner bottom of the sealing cover (6) is provided with a leak-proof protective strip (601), which is fitted and sealed to the top of the outer side of the container box (1). The top of the sealing cover (6) is provided with a switch handle (602).

6. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The container box (1) is provided with a mounting bracket (801) on its side. The timed flow pump (8) is fixedly installed on the mounting bracket (801). The container box (1) is provided with a controller (13) on its side. The controller (13) is electrically connected to the timed flow pump (8), the timed flow pipe (10), and the liquid level measuring device (12) respectively.

7. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The liquid storage tank (7) is installed on the top of the side of the container tank (1). The top of the liquid storage tank (7) is provided with a water inlet pipe (701), and the timed flow guide pipe (10) is provided with a timed control valve (1001).

8. The timed chromatography apparatus for assisting in fixing filter paper strips according to claim 1, characterized in that: The inner wall of the container (1) is provided with a filtrate scale line (111) and a maximum filtrate scale line (112). The filtrate scale line (111) and the maximum filtrate scale line (112) are respectively set on the solution scale line (11). Two liquid level measuring instruments (12) are respectively set on the side of the filtrate scale line (111) and the maximum filtrate scale line (112).

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