CN210690472U - Migration tube for measuring ion migration number by interface moving method - Google Patents

Migration tube for measuring ion migration number by interface moving method Download PDF

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Publication number
CN210690472U
CN210690472U CN201921625667.5U CN201921625667U CN210690472U CN 210690472 U CN210690472 U CN 210690472U CN 201921625667 U CN201921625667 U CN 201921625667U CN 210690472 U CN210690472 U CN 210690472U
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CN
China
Prior art keywords
tube
pipe
migration
inner tube
transfer
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Expired - Fee Related
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CN201921625667.5U
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Chinese (zh)
Inventor
赵明
李宏刚
郭彩红
钟志宇
王健礼
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Sichuan University
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Sichuan University
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Priority to CN201921625667.5U priority Critical patent/CN210690472U/en
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Abstract

The utility model provides a migration pipe for ion migration number is surveyed to interface mobility relates to the migration pipe technical field who is used for ion migration number is surveyed to interface mobility, has solved the migration pipe technical problem that is used for ion migration number is surveyed to interface mobility. The migration tube for measuring the ion migration number by the interface moving method comprises an inner tube and an outer tube, wherein the inner tube is provided with scale marks. The outer pipe is nested on the inner pipe, one side of the outer pipe close to the scale mark is set to be a plane, and the planes of the inner pipe and the outer pipe close to the scale mark are made of transparent materials. The migration pipe sets up the outer tube into the plane near one side of scale mark, when the reading, can effectively avoid and/or reduce the light refraction and the reading deviation that causes for the reading is more clear, can effectively improve the degree of accuracy of experiment reading.

Description

Migration tube for measuring ion migration number by interface moving method
Technical Field
The utility model relates to a technical field of experimental facilities especially relates to a migration pipe that is used for interface mobility method to survey ion migration number.
Background
The interfacial migration method is an experimental method for determining the migration number of ions by measuring the moving speed of the ions. Specifically, the interfacial migration method is to directly measure the interfacial migration rate between two electrolyte solutions to determine the transference number of ions.
The migration tube adopted by the traditional interface moving method is a vertical tube, the liquid to be detected is difficult to add, and air-lock bubbles are easily formed in the process of adding the liquid. The generation of air-resistance bubbles can cause current change, the measurement is inaccurate, and the repeatability is not good. In addition, the vertical tube brings great difficulty to the installation operation of the lower electrode, and increases the experiment difficulty. On the other hand, the traditional migration tube is cylindrical, the scale marks of the inner tube are observed through the curved surface by reading, the reading is fuzzy, the accuracy is poor, and a large error is generated.
Therefore, it is highly desirable to provide a migration tube for measuring the ion migration number by the interfacial mobility method with high experimental accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them purpose is to provide a migration pipe that is used for interface mobility to survey ion migration number, has solved the poor technical problem of migration pipe measurement accuracy who is used for interface mobility to survey ion migration number among the prior art. The utility model discloses preferred technical scheme can reach a great deal of beneficial technological effect, specifically see the following explanation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a migration pipe for ion migration number is surveyed to interface moving method, including inner tube and outer tube, be provided with the scale mark on the inner tube. The outer pipe is nested on the inner pipe, one side of the outer pipe close to the scale mark is set to be a plane, and the planes of the inner pipe and the outer pipe close to the scale mark are made of transparent materials.
According to a further preferred solution, the inner tube and the outer tube are arranged horizontally.
According to a further preferred technical scheme, the length of the inner pipe is greater than that of the outer pipe, and the inner pipe penetrates through two ends of the outer pipe and is connected with two ends of the outer pipe in a sealing mode, so that an interlayer space is formed between the inner pipe and the outer pipe.
According to a further preferred technical solution, the inner tube comprises a cleaning opening, and the cleaning opening is located at a position of the inner tube beyond the outer tube.
According to further preferred technical scheme, the both ends of inner tube are provided with the return bend, and the return bend is vertical upwards to be set up.
According to a further preferred technical scheme, the inner wall of one end, far away from the inner pipe, of the elbow is provided with a ground.
According to a further preferred technical scheme, the transfer pipe further comprises a sealing plug and an electrode, wherein the electrode is fixed at two ends of the inner pipe through the sealing plug, or the electrode is fixed at one end, far away from the inner pipe, of the bent pipe through the sealing plug.
According to further preferred technical scheme, the outer tube includes inlet and liquid outlet, and inlet and liquid outlet all communicate with the outer tube.
According to a further preferred technical scheme, the liquid inlet and the liquid outlet are provided with threads.
According to a further preferred technical scheme, the liquid inlet and/or the liquid outlet are/is connected with the super constant temperature water bath through a pipeline, and constant temperature liquid in the super constant temperature water bath is pumped into an interlayer space between the inner pipe and the outer pipe through a pump.
The utility model provides a migration pipe that is used for interface mobility method to survey ion migration number has following beneficial technological effect at least:
the utility model discloses set up the outer tube into the plane near one side of scale mark, when the reading, can effectively avoid and/or reduce the light refraction and the reading deviation that causes for the reading is more clear, can improve the degree of accuracy of experiment reading.
Furthermore, the utility model discloses preferred technical scheme can also produce following technological effect:
the utility model discloses the migration pipe inner tube level of preferred technical scheme sets up, is about to the standpipe and changes into violently the pipe, not only can effectively reduce the installation degree of difficulty of electrode to when adding the liquid of waiting to survey, can avoid forming the air lock bubble, make the inner tube in the electric current more stable, the reproducibility is good, is favorable to the removal at accurate survey interface.
The utility model discloses preferred technical scheme's return bend can effectively prevent the both ends weeping of inner tube. And the cleaning opening is arranged on the inner pipe, so that the inner pipe is more convenient to clean.
The utility model discloses form the space that holds constant temperature liquid between preferred technical scheme's migration pipe inner tube and the outer tube for the inner tube can be in the constant temperature environment, and then can effectively avoid the influence of temperature to the migration speed.
The utility model discloses preferred technical scheme's migration tubular construction is simple, reasonable, convenient to use to the experiment phenomenon is directly perceived, reproducibility is good, is favorable to improving the precision and the maneuverability of experiment, can accurate survey H+The migration number of (2).
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a preferred embodiment of the transfer tube of the present invention;
fig. 2 is a cross-sectional view of a preferred embodiment of the transfer tube of the present invention.
In the figure: 1-inner tube; 11-graduation mark; 12-a cleaning port; 2-an outer tube; 21-liquid inlet; 22-a liquid outlet; 3-bending the pipe; 4-sealing plug; 5-electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The migration tube for measuring the ion migration number by the interfacial mobility method in the preferred embodiment comprises an inner tube 1 and an outer tube 2, wherein the inner tube 1 is provided with scale marks 11. The outer tube 2 is nested on the inner tube 1, one side of the outer tube 2 close to the scale mark 11 is set to be a plane, and the planes of the inner tube 1 and the outer tube 2 close to one side of the scale mark 11 are made of transparent materials.
The migration tube in the preferred embodiment described above is used for measuring H+As the electrolysis progresses during the ion migration number, a clear interface is formed in the inner tube 1 and corresponding time and voltage readings need to be recorded as the interface moves to the designated graduation mark 11. Therefore, it is important to clearly and accurately determine the positions of the interface and the scale lines 11 to obtain accurate implementation data. The migration tube in the above preferred embodiment can effectively reduce the influence of light refraction on the judgment of the interface position by setting one side of the outer tube 2 for reading as a plane, thereby making the reading of the interface migration position more accurate.
In a preferred embodiment, the wall of the outer tube 2 comprises a flat portion and a curved portion. Preferably, the flat portion is located on a side close to the graduation mark 11. Further preferably, the curved surface portion is a circular arc-shaped curved surface.
In a preferred embodiment, the inner tube 1 and the outer tube 2 are made of acid and alkali resistant transparent materials. Preferably, the inner tube 1 and the outer tube 2 are made of glass.
As a practical alternative, the inner tube 1 and the outer tube 2 may also be made of PP, PE material.
In a preferred embodiment, the front surface of the outer tube 2 is a flat surface, and during the experiment, the experimenter reads the scale number corresponding to the interface in the inner tube 1 through the front surface. Preferably, the minimum two scale values correspond to a volume of 0.01 ml. Preferably, the total volume of the scale is 1 ml.
As a preferred embodiment, the graduation marks 11 are coloured. Preferably, the color of the graduation marks 11 is in sharp contrast to the interface color to allow for accurate readings. Further preferably, the graduation marks are 11 bits red or blue.
As a preferred embodiment of the migration tube, the total length of the migration tube is: 248 mm-252 mm. Preferably, the total length of the migration tube is 250 mm. Preferably, the outer diameter of the outer tube 2 is 100 mm. More preferably, the thickness of the outer tube 2 is 3mm to 5 mm.
In a preferred embodiment, the two ends of the outer tube 2 are provided with through holes adapted to the inner tube 1, so that the inner tube 1 can pass through the through holes and be connected with the two ends of the outer tube 2 in a sealing manner. Specifically, the diameter of the through holes at the two ends of the outer pipe 2 is matched with the pipe diameter of the inner pipe 1. Preferably, the diameter of the through hole at both ends of the outer tube 2 is 5mm, and the outer diameter of the inner tube 1 is 5 mm. Further preferably, the inner tube 1 has a wall thickness of 1.5mm to 2.5mm, and preferably, the inner tube 1 has a wall thickness of 2 mm.
As a preferred embodiment of the present invention, the inner tube 1 and the outer tube 2 are horizontally disposed.
In the above preferred embodiment, the inner tube 1 and the outer tube 2 are horizontally arranged, that is, the migration tube is transversely arranged, so that the difficulty of experimental operation, especially the difficulty of installation operation of the electrode 5, can be effectively reduced. In addition, the inner tube 1 and the outer tube 2 are horizontally arranged, so that air-lock bubbles formed in the inner tube 1 when liquid to be detected is added can be avoided, the current in the inner tube 1 is more stable, the reproducibility is good, and the movement of an interface can be accurately detected.
Referring to fig. 1 or 2, a preferred embodiment of the migration pipe, an inner pipe 1 has a length greater than that of an outer pipe 2, and the inner pipe 1 passes through both ends of the outer pipe 2 and is sealingly coupled to both ends of the outer pipe 2, so that an interlayer space is formed between the inner pipe 1 and the outer pipe 2. Preferably, the inner tube 1 and the outer tube 2 are 30mm long. More preferably, both ends of the inner tube 1 extend outward 15mm toward both ends of the outer tube 2, respectively. During the experiment, constant temperature liquid is injected into the interlayer space to avoid the influence of temperature on interface migration.
Referring again to fig. 1 or 2, the inner tube 1 includes a purge port 12, the purge port 12 being located at a position of the inner tube 1 beyond the outer tube 2. Preferably, the cleaning port 12 is a piston switch. As a practical way, the structure of the cleaning port 12 is the same as the piston switch for the test tube in the prior art. Preferably, the cleaning opening 12 is located on the side of the inner tube 1 close to the ground, so that the liquid in the inner tube 1 can flow out from the cleaning opening 12 when the inner tube 1 is cleaned. In a preferred embodiment, the cleaning opening 12 is 15mm to 20mm away from the junction of the inner tube 1 and the outer tube 2. Preferably, the cleaning opening 12 is 20mm away from the junction of the inner tube 1 and the outer tube 2.
Referring to fig. 1 or 2, bent pipes 3 are provided at both ends of the inner pipe 1, and the bent pipes 3 are vertically disposed upward. Preferably, the length of the elbow 3 is 50 mm. In the above embodiment, the bent pipe 3 can effectively prevent the liquid to be detected in the inner pipe 1 from being left.
As a preferred embodiment of the present invention, the inner wall of the bent pipe 3 away from one end of the inner pipe 1 is configured as a ground. Preferably, the end of the elbow 3 away from the inner pipe 1 is a flared ground. More preferably, the inner diameter of the horn-shaped burr is 30 mm.
In the above preferred embodiment, the end of the elbow 3 away from the inner tube 1 is provided with a ground, which is beneficial to the fixed installation of the electrode 5 and the improvement of the sealing performance of the motor installation position.
Referring to fig. 1, the migration tube of a preferred embodiment further comprises a sealing plug 4 and an electrode 5, wherein the electrode 5 is fixed at one end of the elbow 3 far away from the inner tube 1 through the sealing plug 4. Preferably, the sealing plug 4 is a rubber plug. Specifically, the rubber plug is provided with a through hole for mounting the electrode 5. Preferably, the through hole is adapted to the electrode 5, so that the electrode 5 can be connected to the rubber plug in a sealing manner after penetrating through the rubber plug.
In a preferred embodiment, the bent tubes 3 at both ends of the inner tube 1 are respectively provided with a polished platinum electrode and a polished copper electrode. As another preferred embodiment, the bent pipes 3 at both ends of the inner pipe 1 are respectively provided with a platinum electrode and a cadmium electrode which are polished and bright.
In a preferred embodiment, the sealing plug 4 is fitted with a flared burr at the end of the pipe 3 remote from the inner tube 1, so that the sealing plug 4 can be inserted into the burr and sealingly connected thereto.
As a further practical alternative, the transfer tube does not contain the elbow 3 and the electrodes 5 are fixed to both ends of the inner tube 1 by means of sealing plugs 4.
Referring to fig. 2, in a preferred embodiment of the transfer tube, the outer tube 2 includes a liquid inlet 21 and a liquid outlet 22, and both the liquid inlet 21 and the liquid outlet 22 are communicated with the outer tube 2. Preferably, the inlet port 21 and the outlet port 22 are provided with threads. In the experiment, the constant temperature liquid is injected into the outer tube 2 through the liquid inlet 21, and the constant temperature liquid in the outer tube 2 is discharged through the liquid outlet 22. Preferably, the constant temperature liquid is in a flowing state during the experiment, so that the temperature of the constant temperature liquid in the outer tube 2 can be always kept at the same temperature value.
As a preferred embodiment of the present invention, the liquid inlet 21 and/or the liquid outlet 22 are connected to the super constant temperature water bath through a pipe, and the constant temperature liquid in the super constant temperature water bath is pumped into the space between the inner pipe 1 and the outer pipe 2 through the pump to form an interlayer space. Preferably, during the experiment, constantly pour into the constant temperature liquid into the intermediate layer space between inner tube 1 and outer tube 2 for inner tube 1 can be in the constant temperature environment, and the solution that awaits measuring in inner tube 1 and its inner tube 1 can keep invariable temperature, and then avoids ambient temperature to cause the influence to interface migration speed. The super constant temperature water bath is a constant temperature water bath and is suitable for direct heating and auxiliary heating in scientific researches of biology, chemistry, physics, plants, chemical engineering and the like.
The migration tube in the preferred embodiment is used together with a matched instrument in the prior art, can control the environmental temperature of the migration tube, accurately measure the ion migration volume, has simple device, visual phenomenon and good reproducibility, and can be popularized in the science and technology physical and chemical experiment teaching of colleges and universities in China.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The migration tube for measuring the ion migration number by the interface moving method is characterized by comprising an inner tube (1) and an outer tube (2), wherein the inner tube (1) is provided with scale marks (11);
the outer pipe (2) is nested on the inner pipe (1), one side of the outer pipe (2) close to the scale mark (11) is set to be a plane, moreover,
the plane of one side of the inner tube (1) and the outer tube (2) close to the scale mark (11) is made of transparent materials.
2. The transfer tube for interfacial mobility spectrometry ion transfer number according to claim 1, wherein the inner tube (1) and the outer tube (2) are horizontally disposed.
3. The transfer pipe for measuring the ion transfer number by the interfacial mobility method according to claim 1, wherein the length of the inner pipe (1) is greater than the length of the outer pipe (2), and the inner pipe (1) passes through both ends of the outer pipe (2) and is hermetically connected with both ends of the outer pipe (2) so that an interlayer space is formed between the inner pipe (1) and the outer pipe (2).
4. Migration tube for interfacial mobility spectrometry ion transport number according to claim 3, characterized in that the inner tube (1) comprises a cleaning opening (12), the cleaning opening (12) being located at a position of the inner tube (1) beyond the outer tube (2).
5. The transfer pipe for measuring the ion transfer number by the interfacial mobility method according to claim 3, wherein bent pipes (3) are arranged at two ends of the inner pipe (1), and the bent pipes (3) are vertically arranged upwards.
6. The transfer tube for measuring ion transfer number by interfacial mobility according to claim 5, wherein the inner wall of the elbow (3) at the end far from the inner tube (1) is provided with a ground.
7. The transfer tube for measuring ion transfer number by interfacial mobility according to any one of claims 1 to 6, further comprising a sealing plug (4) and an electrode (5), wherein the electrode (5) is fixed at two ends of the inner tube (1) through the sealing plug (4), or the electrode (5) is fixed at one end of the elbow (3) far away from the inner tube (1) through the sealing plug (4).
8. The transfer tube for interfacial mobility spectrometry ion transfer number according to any one of claims 1 to 6, wherein the outer tube (2) comprises an inlet port (21) and an outlet port (22), and both the inlet port (21) and the outlet port (22) are communicated with the outer tube (2).
9. The transfer tube for measuring the transference number of ions by interfacial mobility according to claim 8, wherein said liquid inlet (21) and said liquid outlet (22) are provided with threads.
10. The transfer pipe for measuring ion transfer number by interfacial mobility method according to claim 9, wherein the liquid inlet (21) and/or the liquid outlet (22) is connected with a super-constant temperature water bath through a pipeline, and a constant temperature liquid in the super-constant temperature water bath is pumped into an interlayer space between the inner pipe (1) and the outer pipe (2) through a pump.
CN201921625667.5U 2019-09-27 2019-09-27 Migration tube for measuring ion migration number by interface moving method Expired - Fee Related CN210690472U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921625667.5U CN210690472U (en) 2019-09-27 2019-09-27 Migration tube for measuring ion migration number by interface moving method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921625667.5U CN210690472U (en) 2019-09-27 2019-09-27 Migration tube for measuring ion migration number by interface moving method

Publications (1)

Publication Number Publication Date
CN210690472U true CN210690472U (en) 2020-06-05

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Application Number Title Priority Date Filing Date
CN201921625667.5U Expired - Fee Related CN210690472U (en) 2019-09-27 2019-09-27 Migration tube for measuring ion migration number by interface moving method

Country Status (1)

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CN (1) CN210690472U (en)

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Granted publication date: 20200605

Termination date: 20210927