KR100879736B1 - An ion diffusion experiment equipment - Google Patents

Abstract

An ion diffusion device is provided to improve result of education by observing diffusion speed and distance according to various conditions. An ion diffusion device comprises a main body(100), a substrate, a test plate(300), a plurality of input holes(400), and an ion feeder(500). A lower part of the main body is opened, and is opened and closed by a cover. A space part is formed inside the main body. The main body has the space part and a plurality of input holes. A power supply part(140) is formed in one side of the main body. The substrate is positioned in the lower part of the main body. A confirmation lamp(210) is penetrated toward a plurality of input holes. A plurality of conduction parts is formed on the substrate in order to be connected to the power supply part. The test plate is installed in both ends of a diffusion part(310). The diffusion part is formed into a recess shape. A tilting slide(330) is formed in both ends of the diffusion part in order to transfer an ionic solution. A graduated ruler(340) is installed in a top of the diffusion part in order to measure a transfer distance of a diffused ion.

Description

An ion diffusion experiment equipment

The present invention relates to an ion diffusion experiment apparatus, the technical aspect of which explores the diffusion of ions, allowing the investigator (student) to visually observe the diffusion rate and distance for each ion, how the ions diffuse, The length and shape of the path can be easily identified to see what effect is caused by other concentrations and temperatures, as well as to provide economic and efficient learning tools in consideration of students who are the main demand groups. The present invention relates to an ion diffusion experiment apparatus.

Generally, ions refer to charged atoms or groups of atoms, positively charged ions are called cations, and negatively charged ions are called anions.

The atom or atoms that originally filled all the bonds are generally stable and their total charge is zero, or neutral. However, when the molecules that are polar covalent, ionic or coordinating are dissolved or dissolved in the polar molecular solvent, the electrons are biased to one side, and when the orbital is stabilized, they are separated.

These ions were so small that they were not visible to the naked eye, and there were no experimental equipment to explore them, and some of the observation equipments were quite expensive, making them difficult to use as test equipment for ordinary students. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. The technical gist of the present invention is to investigate how the ions diffuse by allowing the investigator (student) to visually observe the diffusion rate and distance for each ion. It is designed to provide an economical and efficient learning mechanism in consideration of students, who are the main demand groups, as well as easy to check the effect of the length and shape of the ion path and other results such as concentration and temperature. Its purpose is to provide an ion diffusion experiment apparatus.

In order to achieve the above object, the present invention provides a plurality of drawing holes such that the lower part is opened but the space part 110 is formed inside, while the opened lower part is opened and closed by the cover 120 and the space part 110 and the upper surface are penetrated. 130 is provided and the main body 100 is provided with a power supply 140 on one side; The substrate is accommodated in the lower opening of the main body and the plurality of through holes 130, the confirmation lamp 210 is penetrated through the power supply unit 140 is supplied with a plurality of conductive parts 220 are formed so that the electrical connection is made ( 200); The positive and negative terminals 320 are installed side by side in the longitudinal direction at both ends in the longitudinal direction of the diffusion part 310 formed as a recess to form an electrical ground with the electricity supply part 220 of the substrate. A test plate 300 on each end of which a ramp 330 is formed so as to facilitate the smooth transfer of the ionic solution, and a ruler 340 to which the moving distance of the diffused ions is placed on one side thereof; A plurality of inlets 400 corresponding to the ramps 330 of the test plate to inject holes 410 to facilitate the smooth injecting of ions; An ion supplier 500 formed to inject ions set through the inlet 410 of the inlet to the ramp 330; It is made up.

At this time, the ion supply 500 is preferably a syringe (Injector).

As such, the present invention allows the investigator to visually confirm that the ion diffusion activity corresponds to various environments (conditional values) with the naked eye in real time, thereby improving educational performance and making production productivity economical. It works.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

First, as shown in Figures 1 to 4, the present invention is an ion diffusion experiment apparatus formed to be observed with the naked eye, the main body 100, the substrate 200, the test plate 300, the inlet 400 And the ion supplier 500 is configured.

At this time, the main body 100 has a lower portion is opened but the space portion 110 is formed on the inside while the opened lower portion is opened and closed by the cover 120 and the plurality of withdrawal holes so that the space portion 110 and the upper surface is penetrated 130 is provided and the power source 140 is formed on one side.

That is, the base frame of the present invention is provided and a separate substrate is stored in the inner space so that the identification lamp attached to the substrate can measure the moving distance and speed of the ions as the ions are diffused.

In this case, the substrate 200 is operated by receiving an electrical connection from a separate power source, and is stored in the lower portion of the main body, and the check lamp 210 is penetrated through the plurality of outlet holes 130 while the power supply unit 140 and A plurality of energization parts 220 are formed to be energized so that electrical connections are made.

At this time, the conducting unit is formed to measure the speed and distance of the ions diffused in connection with the positive and negative terminals of the test plate to be described later.

On the other hand, the test plate 300 is installed side by side in the interval arrangement set the positive and negative terminals 320 at both ends in the longitudinal direction of the diffusion portion 310 formed in the groove to form an electrical ground with the conducting portion 220 of the substrate, On both ends of the diffusion unit 310, slopes 330 are formed to facilitate smooth transfer of the ionic solution, and a ruler 340 is disposed at an upper side to measure a moving distance of the diffused ions.

In this case, the inlet 400 is formed with an inlet 410 to correspond to the inclined table 330 of the test plate to facilitate the smooth injecting of ions.

In addition, the ion supplier 500 is formed to inject the ions set through the inlet 410 of the inlet to the ramp 330.

At this time, the ion supply 500 is preferably a syringe (Injector).

Next will be described a specific experimental method and results of the present invention.

1) Manufacture of ion movement velocity measuring device

As shown in Figure 1 below, the present invention is a device designed to measure the movement speed of ions visually and quantitatively.

As the ions diffuse into distilled water, an electrolyte solution is made, and the LED is turned on according to diffusion (moving).

At this time, since the LEDs are placed at intervals of 1 cm, the movement of ions can be observed in real time and visually, and the reaction rate can be quantitatively measured.

In the present invention, a straight ion running substrate was manufactured as a basic model, but the solution contact portion was inclined so that the solution from the syringe mounting portion and the syringe did not directly contact the solution.

<Reference drawing 1> Continued on next page ...

2) Reagent Preparation

Reagents used in the preparation of the ionic solution were sodium chloride, sodium bromide, sodium iodide, lead nitrate, and potassium iodide, all of which were special reagents, and distilled water was commercially available.

The solutions were all prepared using a graduated flask with 0.1M solution. The ion supply (injector) was used as a medical 1mL plastic syringe.

3) Experiment Method

Place the instrument horizontally, put a certain amount of solution at a certain temperature in each path, and simultaneously add 0.1-0.5 mL of reagent to each end using a syringe. Measure the time until the moment when the sediment is visually checked in a straight line. The reaction time was used, and the distance to the point where the sediment was first formed is referred to as the ion movement distance.

Next, an example of experimenting with various ion diffusion using the present invention described above will be described.

How does the length of the path affect the diffusion of ions?

1) Ion running board is straight and its length is 20, 40, 60cm. The path depths were varied to keep the amount of solution constant regardless of the path length. The substrate was placed horizontally, and a certain amount of 20 distilled water was added to the path, and the reagents were simultaneously added to each end by using a syringe.

2) The effect of path length on the type of ion was confirmed through two kinds of sediment reactions (lead nitrate solution + sodium iodide solution, sodium chloride solution and silver nitrate solution) at the same temperature as the three types of paths as in 1).

3) Investigation Results-Figures 11 and 12 and Tables 1 and 2 show the reaction time and the location of sedimentation according to the path length. As the path length increases, the ion diffusion rate decreases significantly, and the respective ion migration distance is also greatly affected.

Regardless of the type of reaction ions, the reaction time increased as the path length increased, and the ion migration rate was shifted toward the anion because the cation was faster than the anion.

-> Lead nitrate solution + sodium iodide solution Sodium nitrate + lead iodide (yellow precipitate)

Table 1. Ion diffusion along the length of moving plate

             Result length (cm) Reaction time Distance (cm) Speed (cm / s) Iodide Lead ion Iodide Lead ion 20 2'54 9.5 10.5 0.055 0.060 40 8'10 26.0 14 0.053 0.029 60 26 ' 40.0 20 1.54 0.769

                                       (Temperature: 20, solution concentration: 0.1M)

 Figure 11. Ion diffusion along the length of moving plate

Sodium chloride solution + silver nitrate solution Sodium nitrate + silver chloride (white precipitate)

Table 2. Ion diffusion along the length of moving plate

             Result length (cm) Reaction time Distance (cm) Speed (cm / s) Chloride ion Silver ions Chloride ion Silver ions 20 3'31 8.2 11.8 0.039 0.056 40 14'35 14.4 25.6 0.016 0.029 60 74'27 21.0 39.0 0.005 0.009

                                   (Temperature: 20, solution concentration: 0.1M)

Figure 12. Ion diffusion along the length of the moving plate

<2> How do the moving speeds of ions change?

1) Table 11 and Figure 21 show the result of the change of ion movement speed according to the moving distance. 62 tap water was added to a 30 cm straight ion runner plate, and 0.1 mL of silver nitrate solution was added thereto. As silver ions moved and reacted with chloride ions dissolved in tap water, white sediments formed on the surface of the solution, and the position of sediments formed on the surface of the solution was measured with time.

2) Figure 22 shows a newly designed device for real-time tracking of ion transport rates. The basic model is a 30cm linear ion running plate, and the sample input part is improved and the ion movement checking function is added. 25 distilled water was added to the running board, 0.2 mL of 0.2 M silver nitrate solution was added through one inlet, and the ion movement speed was calculated by measuring the time of turning on each LED using a stopwatch.

3) Findings-Domestic tap water contains chloride ions because it is chlorinated. Although the chloride ion is not visible to the naked eye, when silver nitrate solution is added, silver ions move and white sediments form on the surface of the solution.

The silver ion velocity was measured indirectly, assuming that the rate of white sediment formation was a silver ion migration rate. Figure 13 shows that silver ions move very quickly at the beginning of the reaction and silver ions move very quickly for about 1 minute at a solution temperature of 62.

As a result of measuring the ion transport rate using the ion transport rate measuring device, it can be seen that the initial ion speed is very fast because the LED light is continuously turned on for a short period of time. This result agrees well with the addition of silver nitrate solution to the tap water.

Table 11. Ion Diffusion Velocity with Travel Distance

Distance (cm) 7 8 9 10 11 12 13 14 time 18 29 45 1'02 1'20 1'42 2'10 2'40 Segment distance One One One One One One One Segment time 11 16 17 18 22 28 30 speed 0.091 0.063 0.059 0.056 0.045 0.036 0.033

(Tube length: 30 cm, temperature: 62, AgNO ₃ concentration: 0.1 M)

Figure 21. Ion Diffusion Velocity with Travel Distance

Figure 22. Real-time observation of ion movement through the ion movement velocity meter

As described above, the ion diffusion experiment apparatus of the present invention is formed to observe the movement of ions indirectly, which is the path length, the path type, the ion concentration, the solution temperature, and the various solutions in the ions. Is formed to explore the movement of ions in the.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is an exploded perspective view of an ion diffusion experiment apparatus according to the present invention,

Figure 2 is a side cross-sectional view of the ion diffusion experiment apparatus of the present invention,

3 is a plan view of FIG.

4 is a longitudinal sectional view of an ion diffusion experiment apparatus according to the present invention.

<Description of Major Symbols in Drawing>

100 ... body 110 ... space

120 ... Cover 130 ... Drawer

200 ... Substrate 210 ... Confirmation Lamp

220 ... energized part 300 ... trial version

310 ... diffuser 320 ... positive and negative terminals

330 ... ramp 340 ... ruler

400 ... inlet 410 ... inlet

500 ... Ion Supply

Claims (2)

The lower part is opened but the space part 110 is formed inside, while the opened lower part is opened and closed by the cover 120, and a plurality of outlet holes 130 are provided to penetrate the upper part and the space part 110, and a power supply part is provided at one side. A main body 100 on which 140 is formed; The substrate is accommodated in the lower opening of the main body and the plurality of through holes 130, the confirmation lamp 210 is penetrated through the power supply unit 140 is supplied with a plurality of conductive parts 220 are formed so that the electrical connection is made ( 200); The positive and negative terminals 320 are installed side by side in the longitudinal direction at both ends in the longitudinal direction of the diffusion part 310 formed as a recess to form an electrical ground with the electricity supply part 220 of the substrate. An inclined platform 330 is formed at both ends to facilitate smooth transfer of the ionic solution, and a test plate 300 on which an upper side is provided with a ruler 340 for measuring a moving distance of the diffused ions; A plurality of inlets 400 corresponding to the ramps 330 of the test plate to inject holes 410 to facilitate the smooth injecting of ions; An ion supplier 500 formed to inject ions set through the inlet 410 of the inlet to the ramp 330; Ion diffusion experiment apparatus, characterized in that made up. The method of claim 1, wherein the ion supply 500 Ion diffusion experiment apparatus, characterized in that the injector (Injector).

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