Multifunctional chromatography cylinder for thin-layer chromatography

Abstract

The utility model relates to the technical field of chromatographic analysis in the petrochemical industry, and discloses a multifunctional chromatographic cylinder for thin-layer chromatography, which comprises a cylinder cover, a back plate, a left baffle, a right baffle, a glass baffle and a reagent tank which form a chromatographic cylinder body, the cylinder cover comprises a cover plate frame, an inner cover plate and an inner cover plate counterweight shaft, and the reagent tank comprises a front tank and a rear tank. Experiments can be rapidly and accurately carried out by pushing the inner cover plate downwards through the support, experimental errors caused by manpower are greatly reduced, the liquid level sensor is located at the fixed height, reagents can be added through the external reagent pump with the fixed volume before the experiments, the reagents are discharged through the liquid adding and discharging opening during liquid replacement, and the experiment efficiency is improved. Tedious manual operation steps are omitted, the experiment efficiency is improved, the filter paper for the thin-layer chromatography experiment can be fixed to the back plate through the magnets arranged on the back plate, and displacement and hemming of the filter paper after repeated experiments are prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of chromatographic analysis in the petrochemical industry. Specifically, it relates to a multifunctional chromatography tank for thin-layer chromatography. Background Art

[0002] Thin-layer chromatography, also known as thin-layer chromatography, is a chromatographic separation technique that uses a support coated on a support plate as the stationary phase and a suitable solvent as the mobile phase to separate, identify, and quantify a mixed sample. In this technique, a suitable stationary phase is first coated on a glass plate, plastic, or aluminum substrate to form a uniform thin layer. After spotting and development, the retention factor obtained by comparison is used for substance identification, impurity inspection, or content determination, etc. Thin-layer chromatography is a chromatographic method for quickly separating and qualitatively analyzing fatty acids, steroids, amino acids, nucleotides, alkaloids, and many other substances. Thin-layer chromatography analysis is generally carried out in a thin-layer chromatography tank.

[0003] The existing chromatography tank usually consists of a glass tank body and a glass cover. During the experiment, the operator will add a small amount of developing solvent into the developing tank. The amount of solvent should be sufficient to moisten the bottom of the tank, but not higher than the starting line. The spotted thin-layer rod or thin-layer plate is vertically placed into the developing tank, ensuring that the sample spot does not contact the solvent. Then the cover of the developing tank is covered to prevent the solvent from volatilizing, and the developing solvent is allowed to rise along the thin-layer rod or thin-layer plate by capillary action. When the developing solvent approaches the required height of the thin-layer rod or thin-layer plate (but does not reach the edge), the thin-layer rod or thin-layer plate is taken out. Because of the glass chromatography tank made in the current way, the operator needs to perform a series of complicated operations, and the experimental error caused by human factors is large, and it is difficult to meet the requirements of automated operation and unmanned operation. Summary of the Utility Model

[0004] To solve the above technical problem that the operator needs to perform a series of complicated operations and it is difficult to meet the requirements of further automated operation and unmanned operation, the basic concept of the technical solution adopted by the utility model is:

[0005] A multifunctional chromatography tank for thin-layer chromatography, which comprises a tank cover, a back plate, a left baffle, a right baffle, a glass baffle, and a reagent tank to form the tank body of the chromatography tank. The tank cover includes a cover frame, an inner cover, and an inner cover counterweight shaft. The reagent tank includes a front tank and a rear tank;

[0006] A micro hinge is arranged at the rear end of the tank cover and connected to the back plate. The back plate fixes the left baffle, the right baffle, and the reagent tank through fixing parts. A upper edge pressing strip is arranged at the bottom end of the front of the tank cover to clamp the glass baffle on the inner walls of the left baffle and the right baffle.

[0007] As a preferred embodiment of the present utility model, a cover plate frame is connected to the bottom end of the cylinder head. An inner cover plate counterweight shaft is installed on the front side of the cover plate frame and connected to the inner cover plate. The left and right ends of the inner cover plate counterweight shaft are connected to shaft seats through micro optical axes, and a bracket is arranged in the cylinder head.

[0008] Furthermore, when the bracket is inserted into the cylinder head, the inner cover plate is pushed down and opened. Due to the unbalanced counterweight, the inner cover plate resets after the bracket is withdrawn, ensuring the sealing of the cylinder block. The bracket is used to install a thin layer rod or a thin layer plate.

[0009] As a preferred embodiment of the present utility model, a liquid adding and draining groove is arranged on one side of the outer wall at the rear end of the reagent tank for adding and draining reagents, and a liquid level sensor is arranged at a certain height of the reagent tank for quantitatively adding reagents.

[0010] As a preferred embodiment of the present utility model, internal and external magnets are arranged on the back plate to fix the filter paper for thin layer chromatography experiments on the fixed back plate.

[0011] The present utility model has the following beneficial effects compared with the prior art:

[0012] By using the bracket to push down and open the inner cover plate, the present utility model can quickly and accurately conduct experiments, greatly reducing the experimental errors caused by human factors. By using the liquid level sensor at a fixed height, the reagent can be added in a fixed volume through an external reagent pump before the experiment, and the reagent can be discharged through the liquid adding and draining port during liquid replacement, eliminating the cumbersome manual operation steps and improving the experimental efficiency. By using the magnets arranged on the back plate, the filter paper for thin layer chromatography experiments can be fixed on the back plate, preventing displacement and curling of the filter paper after repeated experiments.

[0013] The following further describes in detail the specific embodiments of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the drawings:

[0015] Figure 1 is a front view structural schematic diagram of a multifunctional chromatography cylinder for thin layer chromatography;

[0016] Figure 2 is a rear view structural schematic diagram of a multifunctional chromatography cylinder for thin layer chromatography;

[0017] Figure 3 is an exploded schematic diagram of a multifunctional chromatography cylinder for thin layer chromatography;

[0018] Figure 4 is an exploded schematic diagram of the cylinder head of a multifunctional chromatography cylinder for thin layer chromatography;

[0019] Figure 5Schematic diagram of the cover of a multi-functional chromatography tank for thin-layer chromatography without a bracket inserted

[0020] Figure 6 Schematic diagram of the cover of a multi-functional chromatography tank for thin-layer chromatography with a bracket inserted

[0021] Figure 7 Side view schematic diagram of the cover of a multi-functional chromatography tank for thin-layer chromatography without a bracket inserted

[0022] Figure 8 Side view schematic diagram of the cover of a multi-functional chromatography tank for thin-layer chromatography with a bracket inserted; in the figure: 1, cover; 101, cover plate frame; 102, inner cover plate; 103, inner cover plate counterweight shaft; 104, micro optical axis; 105, shaft seat; 2, back plate; 3, left baffle; 4, right baffle; 5, glass baffle; 6, reagent tank; 601, front tank; 602, rear tank; 7, liquid level sensor; 8, micro hinge; 9, magnet; 10, upper edge pressing strip; 11, bracket; 12, liquid adding and draining tank; 13, fixing part Detailed implementation method

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model

[0024] As Figures 1 to 8 shown, a multi-functional chromatography tank for thin-layer chromatography includes a cover 1, a back plate 2, a left baffle 3, a right baffle 4, a glass baffle 5, and a reagent tank 6 to form the chromatography tank body. The cover 1 includes a cover plate frame 101, an inner cover plate 102, and an inner cover plate counterweight shaft 103. The reagent tank 6 includes a front tank 601 and a rear tank 602

[0025] A micro hinge 8 is arranged at the rear end of the cover 1 and connected to the back plate 2. The back plate 2 fixes the left baffle 3, the right baffle 4, and the reagent tank 6 through a fixing part 13. An upper edge pressing strip 10 is arranged at the bottom end in front of the cover 1 to clamp the glass baffle 5 on the inner walls of the left baffle 3 and the right baffle 4

[0026] As Figures 1 to 8 , the bottom end of the cover 1 is connected to a cover plate frame 101. An inner cover plate counterweight shaft 103 is installed on the front side of the cover plate frame 101 and connected to the inner cover plate 102. The left and right ends of the inner cover plate counterweight shaft 103 are connected to a shaft seat 105 through a micro optical axis 104. A bracket 11 is arranged in the cover 1

[0027] Specifically, when the bracket 11 is inserted into the cylinder head 1, the inner cover plate 102 is pushed open and pressed down. Due to the unbalanced counterweight, the inner cover plate 102 resets after the bracket 11 is withdrawn, ensuring the sealing of the cylinder block. The bracket 11 is used for installing a thin-layer rod or a thin-layer plate.

[0028] As Figures 1 to 8 , on one side of the outer wall at the rear end of the reagent tank 6, there is a liquid addition and drainage tank 12 for adding and discharging reagents. The reagent tank 6 is provided with a liquid level sensor 7 at a certain height for quantitatively adding reagents. In the setting, the front tank 601 in the reagent tank 6 can hold saturated brine for adjusting humidity or a humidity control package for debugging to reduce experimental errors.

[0029] As Figures 1 to 8 , the back plate 2 is provided with internal and external magnets 9 for fixing the filter paper for thin-layer chromatography experiments on the back plate 2.

[0030] The above describes the present invention and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the present invention, creatively design a structural manner and an embodiment similar to this technical solution, they shall fall within the protection scope of the present invention.

Claims

1. A multifunctional chromatography cylinder for thin layer chromatography, characterized in that: The chromatographic cylinder body is composed of a cylinder cover (1), a back plate (2), a left baffle plate (3), a right baffle plate (4), a glass baffle plate (5) and a reagent tank (6), wherein the cylinder cover (1) comprises a cover plate frame (101), an inner cover plate (102) and an inner cover plate counterweight shaft (103), and the reagent tank (6) comprises a front tank (601) and a rear tank (602); The rear end of the cylinder cover (1) is provided with a micro-foot chain (8) connected to the back plate (2); the back plate (2) fixes the left baffle (3), the right baffle (4) and the reagent tank (6) through a fixing member (13); the front bottom end of the cylinder cover (1) is provided with an upper edge pressure strip (10) for clamping the glass baffle (5) on the inner wall of the left baffle (3) and the right baffle (4).

2. A multifunctional chromatography cylinder for thin layer chromatography according to claim 1, characterized in that: The bottom end of the cylinder head (1) is connected to a cover plate frame (101); an inner cover plate counterweight shaft (103) is installed on the front side of the cover plate frame (101) and is connected to the inner cover plate (102); the left and right side ends of the inner cover plate counterweight shaft (103) are connected to shaft seats (105) via micro optical shafts (104); and a bracket (11) is arranged in the cylinder head (1).

3. A multifunctional chromatography cylinder for thin layer chromatography according to claim 2, characterized in that: When the bracket (11) is inserted into the cylinder head (1), the inner cover plate (102) is pushed open and pressed down. Due to the unbalanced counterweight, the inner cover plate (102) is reset after the bracket (11) is pulled out, thereby ensuring that the cylinder body is sealed. The bracket (11) is used to install a thin layer rod or a thin layer plate.

4. The multifunctional chromatography cylinder for thin layer chromatography according to claim 1, characterized in that: A liquid adding and draining groove (12) is provided on one side of the outer wall at the rear end of the reagent tank (6) for adding and draining reagents. A liquid level sensor (7) is provided at a certain height of the reagent tank (6) for quantitatively adding reagents.

5. The multifunctional chromatography cylinder for thin layer chromatography according to claim 1, characterized in that: The back plate (2) is provided with internal and external magnets (9) for fixing filter paper for thin layer chromatography experiments on the back plate (2).

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