CN203250457U

CN203250457U - Electrochemistry ionic movement demonstration device

Info

Publication number: CN203250457U
Application number: CN 201320302962
Authority: CN
Inventors: 田孝军
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2013-10-23
Anticipated expiration: 2023-05-30

Abstract

The utility model discloses an electrochemistry ionic movement demonstration device, comprising leads, carbon rods, a synthetic glass box, glass tubes and a long-neck funnel. Two carbon rods are symmetrically inserted into the bottom of the synthetic glass box. Two glass tubes are inserted into an upper part of the synthetic glass box at positions corresponding to the carbon rods and sleeved on the carbon bars. The long-neck funnel is inserted into the center of the upper part of the synthetic glass box. The carbon bars are connected with the positive and negative poles of a power supply through the leads respectively. Furthermore, the synthetic glass box contains a potassium sulfate solution with an inner liquid level of 1-2 cm in the glass tubes. Compared with the prior art, the electrochemistry ionic movement demonstration device clearly shows a phenomenon of ironic movement by adding a colored liquid into the long-neck funnel, changes microscopic view into macroscopic view, meets teaching requirements and satisfies students' thirst for knowledge and curiosity, and is an improved chemical experiment device with popularization values.

Description

Electrochemical ion motion demonstrating device

Technical field

The utility model relates to a kind of chemical experiment demonstration device, is electrochemical ion motion demonstrating device specifically.

Background technology

Electrochemistry Knowledge is the heavy difficult point of of senior chemistry, and the displacement principle in extra electric field of the ion in the aqueous solution is electrochemical theoretical foundation, how movement for the microcosmic ion displays intuitively and will be conducive to the study of student to this part knowledge, does not also have special instruments used for education at present.

The utility model content

The purpose of this utility model is for the deficiencies in the prior art, and a kind of electrochemical ion motion demonstrating device is provided.

The purpose of this utility model realizes by following technological means: electrochemical ion motion demonstrating device, formed by wire, carbon-point, organic glass box, glass tube and long neck funnel, two carbon-points of the symmetrical insertion in organic glass box bottom, organic glass box top and carbon-point corresponding position are inserted two glass tubes and are enclosed within on the carbon-point, insert a long neck funnel in the middle of the organic glass box top; Carbon-point is connected with the both positive and negative polarity of power supply by wire respectively.

Further, organic glass box inside is contained with potassium sulfate solution to the inner liquid level 1～2cm of glass tube place.

Compared with prior art the utlity model has following obvious advantage: by in long neck funnel, adding colored liquid, can clearly observe the motion phenomenon of ion, become microcosmic and be macroscopic view, having satisfied teaching requirement and student's aspiration to knowledge, curiosity, is a kind of chemical experiment improvement device that promotional value is arranged.

Description of drawings

Fig. 1 is the utility model synoptic diagram.

Wherein 1. wires, 2. carbon-point, 3. organic glass box, 4. glass tube, 5. long neck funnel, 6. potassium sulfate solution.

Embodiment

Below in conjunction with description of drawings the utility model is described in further detail:

The use procedure of electrochemical ion motion demonstrating device is: connect device according to diagram, from long neck funnel 5, add the potassium sulfate solution 6 of 2mol/L to the inner liquid level 1～2cm of glass tube, plugged, regulation voltage is to 12 volts, the copper-bath (copper ion is aobvious blue) that slowly adds again blueness from long neck funnel 5 is diffused into long neck funnel 5 conduits bottom to colored solutions and gets final product, switched on 2 minutes, and observed.It is light blue to see that near glass tube 4 solution colours that connect power cathode become, thereby has verified that positively charged kation has been shifted to negative electrode in the solution.Change other coloured solution such as liquor potassic permanganate, also can verify.Become microcosmic and be macroscopic view, explained the principle of ion motion.

In a word, the utility model provides electrochemical ion motion demonstrating device.The above; it only is a part of embodiment of the present utility model; protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.

Claims

1. electrochemical ion motion demonstrating device, formed by wire (1), carbon-point (2), organic glass box (3), glass tube (4) and long neck funnel (5), it is characterized in that: symmetrical two carbon-points (2) that insert in organic glass box (3) bottom, organic glass box (3) top and carbon-point (2) corresponding position are inserted two glass tubes (4) and are enclosed within on the carbon-point (2), insert a long neck funnel (5) in the middle of organic glass box (3) top; Carbon-point (2) is connected with the both positive and negative polarity of power supply by wire (1) respectively.

2. electrochemical ion motion demonstrating device according to claim 1, it is characterized in that: organic glass box (3) inside is contained with potassium sulfate solution (6) to the inner liquid level 1～2cm of glass tube (4) place.