Solid-phase extraction column bracket for elution
By designing a scaffold for solid-phase extraction columns and evaporation dishes, the problem of failure of these equipment dumping in the experiment was solved, and the stable placement of the equipment and efficient operation of large-scale sample operations were achieved.
Patent Information
- Application Number
- CN202421317549.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-11
AI Technical Summary
In chemical analysis experiments, solid-phase extraction columns and evaporation dishes are easily dumped, causing the sample eluent to spill, which leads to failure of solid-phase extraction operations.
A solid phase extraction column holder for elution is designed, and the solid phase extraction column and evaporation dish are placed through through holes on the first and second panels to prevent pouring and ensure stability of the column and dish through a structure that is slidable connection and knob adjustment.
It effectively prevents the pouring of the solid-phase extraction column and the evaporation dish, avoids the spilling of the sample eluent, improves the success rate of the solid-phase extraction operation, and improves the experimental efficiency in large-batch sample operations.
Smart Images
Figure CN222535002U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical analysis, and more specifically to a solid phase extraction column support for elution. Background Art
[0002] At present, in chemical analysis experiments, solid phase extraction operations are often performed when pre-treating samples. The main functions and purposes of solid phase extraction operations are: to separate, purify and enrich samples, reduce sample matrix interference, and improve detection sensitivity. In the process of solid phase extraction operations, solid phase extraction columns are usually used, and solid phase extraction columns have many different specifications. Solid phase extraction generally includes three basic steps: loading, rinsing, and elution. For large-volume elution, an evaporating dish is required for the next step of evaporation and concentration. Since common ceramic evaporating dishes have round bottoms and are not stable enough to place, there is currently no special bracket for solid phase extraction columns and evaporating dishes. During experimental operations, especially for large-volume sample operations, it is easy for solid phase extraction columns and evaporating dishes to tip over and sample eluent to spill, resulting in failure of solid phase extraction operations. Utility Model Content
[0003] In view of this, the utility model provides a solid phase extraction column support for elution, through the first through hole and the second through hole on the first panel and the second panel, the solid phase extraction column and the evaporating dish are placed to prevent the solid phase extraction experiment operation from failing due to the tipping of the solid phase extraction column and the evaporating dish during the experiment. In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0004] The utility model provides a solid phase extraction column support for elution, comprising:
[0005] A support frame, comprising a support plate, a bottom plate and a side plate, wherein the support plate is step-shaped, two support plates are arranged at intervals, two ends of the bottom plate are respectively connected to the bottom ends of the two support plates, the side plate is arranged between the two support plates, and two ends of the side plate are respectively connected to the side walls of the two support plates;
[0006] A first panel, wherein a plurality of first through holes are arranged on the first panel, and the first panel is provided with a plurality of first panels, wherein the plurality of first panels are arranged between the two support frames, and the plurality of first panels are respectively arranged on horizontal planes at different heights of the support plate;
[0007] The second panel is provided with a plurality of second through holes, one second panel is correspondingly provided at the lower end of each of the first panels, and the first through holes on the first panel are coaxially arranged with the second through holes on the second panel and correspond one to one.
[0008] Furthermore, first through holes with different diameters are arranged on the first panels on different horizontal planes.
[0009] Furthermore, the first panel and the second panel are both slidably connected between the two support plates.
[0010] Furthermore, a vertical slide groove is provided on the support plate, and connecting rods are provided at both ends of the first panel and the second panel respectively, the connecting rod is slidably connected to the slide groove, a knob is provided at the end of the connecting rod away from the support plate, and threads are provided on the end of the connecting rod away from the support plate and in the knob, the connecting rod and the knob are connected by threads, and the knob and the connecting rod are used to connect the first panel and the second panel to the support plate.
[0011] Further, the diameters of the first through holes and the second through holes corresponding to each group are different.
[0012] Furthermore, it also includes a baffle, wherein two ends of the baffle are respectively connected to the two support plates, and the bottom end of the baffle is connected to an end of the bottom plate away from the side plate.
[0013] It can be seen from the above technical scheme that compared with the prior art, the utility model discloses a solid phase extraction column bracket for elution, wherein a first through hole and a second through hole are respectively arranged on a first panel and a second panel, and a solid phase extraction column is placed on the first panel through the first through hole, and an evaporating dish is placed on the second panel through the second through hole, so as to avoid the sample eluent from spilling due to the tipping of the solid phase extraction column and the evaporating dish during the experiment, thereby avoiding the failure of the solid phase extraction operation, and the first panels are arranged on different horizontal planes, and a second panel is arranged at the lower end of each first panel. When a large number of solid phase extraction experiments are carried out, the solid phase extraction columns on multiple first panels work simultaneously, thereby improving the experimental efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0015] Figure 1 A schematic diagram of the structure of a solid phase extraction column support for elution provided by the utility model;
[0016] Figure 2 Another schematic diagram of the structure of the solid phase extraction column support for elution provided by the utility model.
[0017] In the figure: 1, first through hole; 2, second through hole; 3, first panel; 4, second panel; 5, baffle; 6, knob; 7, connecting rod; 8, side panel; 9, support plate; 10, bottom plate. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-2 The utility model embodiment discloses a solid phase extraction column support for elution, comprising:
[0020] The support frame includes a support plate 9, a bottom plate 10 and a side plate 8. The support plate 9 is stepped, two support plates 9 are arranged at intervals, two ends of the bottom plate 10 are respectively connected to the bottom ends of the two support plates 9, the side plate 8 is arranged between the two support plates 9, and two ends of the side plate 8 are respectively connected to the side walls of the two support plates 9;
[0021] A first panel 3, wherein a plurality of first through holes 1 are arranged on the first panel 3, wherein the first panel 3 is provided with a plurality of first panels 3, wherein the plurality of first panels 3 are arranged between two support frames, and the plurality of first panels 3 are respectively arranged on horizontal planes of different heights of the support plate 9;
[0022] The second panel 4 is provided with a plurality of second through holes 2, a second panel 4 is correspondingly provided at the lower end of each first panel 3, and the first through holes 1 on the first panel 3 and the second through holes 2 on the second panel 4 are coaxially arranged and correspond one to one.
[0023] The solid phase extraction column is placed on the first panel 3 through the first through hole 1, and the evaporating dish is placed on the second panel 4 through the second through hole 2. When conducting a solid phase extraction experiment, the liquid flowing out of the solid phase extraction column enters the evaporating dish to complete the elution step. When conducting a large-scale sample experiment, multiple solid phase extraction columns are placed on the first panels 3 on different horizontal planes, and the evaporating dishes are placed on the second panels 4 on different horizontal planes. The solid phase extraction columns on multiple horizontal planes work simultaneously, and the multiple first panels 3 are set on different horizontal planes of the support plate 9 to ensure that the solid phase extraction columns on the first panels 3 on different horizontal planes will not interfere with each other during the experiment, thereby improving the efficiency of the large-scale sample experiment. The support plate 9 is set in a stepped shape to reduce the volume of the solid phase extraction column bracket.
[0024] In some embodiments, first through holes 1 of different diameters are provided on the first panels 3 on different horizontal planes. Different solid phase extraction columns are selected according to different target objects to be eluted, so that solid phase extraction columns of various sizes can be stably placed on the first panel 3, thereby ensuring the smooth progress of the solid phase extraction experiment and expanding the application scope of the solid phase extraction column bracket.
[0025] In some embodiments, the first panel 3 and the second panel 4 are both slidably connected between two support plates 9, and a vertical slide groove is provided on the support plate 9. Connecting rods 7 are respectively provided at both ends of the first panel 3 and the second panel 4. The connecting rod 7 is slidably connected to the slide groove, and a knob 6 is provided at the end of the connecting rod 7 away from the support plate 9. Threads are provided on the end of the connecting rod 7 away from the support plate 9 and in the knob 6. The connecting rod 7 is connected to the knob 6 through threads, and the knob 6 and the connecting rod 7 are used to connect the first panel 3 and the second panel 4 to the support plate 9.
[0026] A vertical slide groove is provided in the vertical direction of each step, so that the first panel 3 and the second panel 4 can slide in the vertical direction. The distance between a corresponding set of first panels 3 and second panels 4 can be adjusted by the cooperation of the knob 6 and the connecting rod 7 to ensure the smooth progress of the solid phase extraction experiment.
[0027] In some embodiments, each group of corresponding first through holes 1 and second through holes 2 has different diameters.
[0028] In some embodiments, a baffle plate 5 is also included, wherein both ends of the baffle plate 5 are respectively connected to two support plates 9, the bottom end of the baffle plate 5 is connected to an end of the bottom plate 10 away from the side plate 8, the upper end of the baffle plate 5 is lower than the lower end of the second panel 4 of the lowest layer, and the two support plates 9 and the bottom plate 10 are fixed by the baffle plate 5, so that the solid phase extraction column bracket is more stable.
[0029] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.
[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A solid phase extraction column support for elution, characterized in that: include: A support frame, comprising a support plate, a bottom plate and a side plate, wherein the support plate is step-shaped, two support plates are arranged at intervals, two ends of the bottom plate are respectively connected to the bottom ends of the two support plates, the side plate is arranged between the two support plates, and two ends of the side plate are respectively connected to the side walls of the two support plates; A first panel, wherein a plurality of first through holes are arranged on the first panel, and the first panel is provided with a plurality of first panels, wherein the plurality of first panels are arranged between the two support frames, and the plurality of first panels are respectively arranged on horizontal planes at different heights of the support plate; The second panel is provided with a plurality of second through holes, one second panel is correspondingly provided at the lower end of each of the first panels, and the first through holes on the first panel are coaxially arranged with the second through holes on the second panel and correspond one to one.
2. The solid phase extraction column support for elution according to claim 1, characterized in that: The first panels on different horizontal planes are provided with first through holes with different diameters.
3. The solid phase extraction column support for elution according to claim 1, characterized in that: The first panel and the second panel are both slidably connected between the two support plates.
4. The solid phase extraction column support for elution according to claim 3, characterized in that: A vertical slide groove is provided on the support plate, and connecting rods are provided at both ends of the first panel and the second panel respectively. The connecting rod is slidably connected to the slide groove, and a knob is provided at the end of the connecting rod away from the support plate. Threads are provided on the end of the connecting rod away from the support plate and in the knob. The connecting rod and the knob are connected by threads, and the knob and the connecting rod are used to connect the first panel and the second panel to the support plate.
5. The solid phase extraction column support for elution according to claim 1, characterized in that: The diameters of the first through holes and the second through holes corresponding to each group are different.
6. The solid phase extraction column support for elution according to claim 1, characterized in that: It also includes a baffle, wherein two ends of the baffle are respectively connected to the two support plates, and the bottom end of the baffle is connected to an end of the bottom plate away from the side plate.