CN203085056U - An experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide - Google Patents
An experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide Download PDFInfo
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- CN203085056U CN203085056U CN 201320019273 CN201320019273U CN203085056U CN 203085056 U CN203085056 U CN 203085056U CN 201320019273 CN201320019273 CN 201320019273 CN 201320019273 U CN201320019273 U CN 201320019273U CN 203085056 U CN203085056 U CN 203085056U
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- carbon dioxide
- sodium peroxide
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Abstract
The utility model discloses an experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide and belongs to technical field of a chemical experiment facility. The technical key points are that the experimental facility comprises an iron stand, that a drying pipe filled with sodium peroxide is fixed on the iron stand horizontally, that one end of the drying pipe is connected with a gas reaction device through a pipeline, that the other end of the drying pipe is successively connected with a filtering device and a gas collecting bottle through a pipeline, the gas collecting bottle is connected with a gas supplying pipe, that a batten with spark is fixed at the pipeline opening portion of the gas supplying pipe through a support. The utility model is aimed at providing an experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide, wherein the experimental facility has characteristics of a compact structure, easy use, and visual and vivid inspection and is used for inspecting experiments of reaction products of sodium peroxide and carbon dioxide.
Description
Technical field
The utility model relates to a kind of experimental provision, more particularly, relates in particular to a kind of sodium peroxide and carbon dioxide reaction product check experimental provision.
Background technology
The reaction of sodium peroxide and carbon dioxide has been talked about in the required chapter 3 of regular senior secondary school's curricular standard experiment textbook second joint " several important metallic compound " the inside, and product is oxygen and sodium carbonate.Directly provide in the textbook equation a: 2Na2O2+2CO2===2Na2CO3+O2 ↑, just say that in addition sodium peroxide is the oxygen source of breathing apparatus or submarine.This part just can cause teacher-centered teaching unavoidably in explanation.It is the subject of foundation with the experiment that chemistry is one, so we can probe into experiment as one with this part content fully, check produced other whether be oxygen, cultivate student's the spirit of probing into.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and a kind of compact conformation, easy to use and check directly perceived, vivid sodium peroxide and carbon dioxide reaction product check experimental provision is provided.
The technical solution of the utility model is achieved in that a kind of sodium peroxide and carbon dioxide reaction product check experimental provision, comprise iron stand, the drying tube of dress sodium peroxide on the wherein said iron stand there being horizontal fixed, be connected with gas reaction device at drying tube one end pipeline, the drying tube other end in regular turn pipeline be connected with filtration unit and gas bottle; Described gas bottle is connected with air supply pipe, is fixed with glowing splint at the air supply pipe spout part by support.
In above-mentioned sodium peroxide and the carbon dioxide reaction product check experimental provision, described gas reaction device is made up of test tube, funnel and perforated plastic plate, described perforated plastic plate is arranged on bottom in vitro, described funnel is fixed on the test tube peristome by rubber stopper with double hole, and the outlet end of described funnel passes the perforated plastic plate and extends to bottom in vitro.
In above-mentioned sodium peroxide and the carbon dioxide reaction product check experimental provision, first narrow-mouthed bottle of the dress concentrated sulphuric acid in being provided with between described gas reaction device and the drying tube; Described first narrow-mouthed bottle is connected with first draft tube and first escape pipe by rubber stopper with double hole, described first draft tube is connected with gas reaction device, described first escape pipe is connected with drying tube, and the lower end of described first draft tube extends to the first narrow-mouthed bottle inner bottom part.
In above-mentioned sodium peroxide and the carbon dioxide reaction product check experimental provision, described filtration unit is second narrow-mouthed bottle of interior dress clarification lime water, described filtration unit is connected with second draft tube and second escape pipe by rubber stopper with double hole, described second draft tube is connected with drying tube, described second escape pipe is connected with gas bottle, and the lower end of described second draft tube extends to the second narrow-mouthed bottle inner bottom part.
After the utility model adopts said structure, directly generate carbon dioxide by gas reaction device, and extremely react, generate oxygen with sodium peroxide by catheter guidance, thereby understand and grasp the preparation method of carbon dioxide intuitively, and the reaction product of carbon dioxide and sodium peroxide; Simultaneously,, utilize the dry carbon dioxide of water absorptivity of the concentrated sulphuric acid, reduce interference experiment by first narrow-mouthed bottle of the dress concentrated sulphuric acid in being provided with; And, by second narrow-mouthed bottle of dress clarification lime water in being provided with, remove excess carbon dioxide, prevent that carbon dioxide from influencing the carrying out of testing later, thereby guarantee finishing smoothly of each section experiment.The utility model is simple in structure, and is easy to use, can grasp and observe multiple Substance Properties and generative process thereof simultaneously.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment in the accompanying drawing, but do not constitute any restriction of the present utility model.
Fig. 1 is a structural representation of the present utility model.
Among the figure: iron stand 1, drying tube 2, gas reaction device 3, test tube 3a, funnel 3b, perforated plastic plate 3c, filtration unit 4, the second draft tube 4a, the second escape pipe 4b, gas bottle 5, air supply pipe 6, glowing splint 7, first narrow-mouthed bottle 8, the first draft tube 8a, the first escape pipe 8b.
Embodiment
Consult shown in Figure 1, a kind of sodium peroxide of the present utility model and carbon dioxide reaction product check experimental provision, comprise iron stand 1, the drying tube 2 of dress sodium peroxide in horizontal fixed has on iron stand 1, be connected with gas reaction device 3 at drying tube 2 one end pipelines, gas reaction device 3 described in the present embodiment is by test tube 3a, funnel 3b and perforated plastic plate 3c form, described perforated plastic plate 3c is arranged on bottom in the test tube 3a, described funnel 3b is fixed on test tube 3a peristome by rubber stopper with double hole, and the outlet end of described funnel 3b passes perforated plastic plate 3c and extends to test tube 3a inner bottom part; Drying tube 2 other ends in regular turn pipeline be connected with filtration unit 4 and gas bottle 5, described filtration unit 4 is second narrow-mouthed bottle of interior dress clarification lime water, described filtration unit 4 is connected with the second draft tube 4a and the second escape pipe 4b by rubber stopper with double hole, the described second draft tube 4a is connected with drying tube 2, the described second escape pipe 4b is connected with gas bottle 5, the lower end of the described second draft tube 4a extends to the second narrow-mouthed bottle inner bottom part, the oxygen that this structure can guarantee to generate is by clarification lime water, the carbon dioxide that assurance is mingled with is absorbed, and guarantees that experiment accurately; Described gas bottle 5 is connected with air supply pipe 6, is fixed with glowing splint 7 at air supply pipe 6 spout parts by support.Further, first narrow-mouthed bottle 8 of the dress concentrated sulphuric acid between gas reaction device 3 and drying tube 2, being provided with, described first narrow-mouthed bottle 8 is connected with the first draft tube 8a and the first escape pipe 8b by rubber stopper with double hole, the described first draft tube 8a is connected with gas reaction device 3, the described first escape pipe 8b is connected with drying tube 2, the lower end of the described first draft tube 8a extends to first narrow-mouthed bottle, 8 inner bottom parts, it is dry completely that this structure can guarantee that the carbon dioxide that generates can be undertaken by the concentrated sulphuric acid, guarantees that experiment accurately.
During use, marble is placed on the porose plastic plate 3c, adds dilute hydrochloric acid solution by funnel 3b in test tube 3a, reaction equation is as follows: CaCO3+2HCl===CaCl2+H2O+CO2 ↑; The carbon dioxide that generates utilizes the water absorptivity of the concentrated sulphuric acid that carbon dioxide is carried out drying by the concentrated sulphuric acid; Dried carbon dioxide enters drying tube 2, contacts with its inner sodium peroxide, and its reaction equation is as follows: 2Na2O2+2CO2===2Na2CO3+O2 ↑, adopt horizontal positioned drying tube 2, be in order to guarantee fully contacting of carbon dioxide and sodium peroxide; Then, the oxygen that generates is by clarification lime water, to remove excess carbon dioxide, avoid carbon dioxide to disturb the experiment of back to carry out, its reaction equation is as follows: Ca (OH) 2+CO2===CaCO3 ↓+H2O, the final oxygen that generates enters gas bottle 5, and blow out by air supply pipe 6, after oxygen is met the batten 7 of band Mars, make batten 7 resume combustion of band Mars, what proved response produced is oxygen.
Claims (4)
1. sodium peroxide and carbon dioxide reaction product check experimental provision, comprise iron stand (1), it is characterized in that, described iron stand (1) is gone up the drying tube (2) that horizontal fixed has interior dress sodium peroxide, be connected with gas reaction device (3) at drying tube (2) one end pipelines, drying tube (2) other end in regular turn pipeline be connected with filtration unit (4) and gas bottle (5); Described gas bottle (5) is connected with air supply pipe (6), is fixed with glowing splint (7) at air supply pipe (6) spout part by support.
2. sodium peroxide according to claim 1 and carbon dioxide reaction product check experimental provision, it is characterized in that, described gas reaction device (3) is made up of test tube (3a), funnel (3b) and perforated plastic plate (3c), described perforated plastic plate (3c) is arranged on the interior bottom of test tube (3a), described funnel (3b) is fixed on test tube (3a) peristome by rubber stopper with double hole, and the outlet end of described funnel (3b) passes perforated plastic plate (3c) and extends to test tube (3a) inner bottom part.
3. sodium peroxide according to claim 1 and 2 and carbon dioxide reaction product check experimental provision is characterized in that, first narrow-mouthed bottle (8) of the dress concentrated sulphuric acid in being provided with between described gas reaction device (3) and the drying tube (2); Described first narrow-mouthed bottle (8) is connected with first draft tube (8a) and first escape pipe (8b) by rubber stopper with double hole, described first draft tube (8a) is connected with gas reaction device (3), described first escape pipe (8b) is connected with drying tube (2), and the lower end of described first draft tube (8a) extends to first narrow-mouthed bottle (8) inner bottom part.
4. sodium peroxide according to claim 3 and carbon dioxide reaction product check experimental provision, it is characterized in that, described filtration unit (4) is second narrow-mouthed bottle of interior dress clarification lime water, described filtration unit (4) is connected with second draft tube (4a) and second escape pipe (4b) by rubber stopper with double hole, described second draft tube (4a) is connected with drying tube (2), described second escape pipe (4b) is connected with gas bottle (5), and the lower end of described second draft tube (4a) extends to the second narrow-mouthed bottle inner bottom part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019273 CN203085056U (en) | 2013-01-14 | 2013-01-14 | An experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019273 CN203085056U (en) | 2013-01-14 | 2013-01-14 | An experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085056U true CN203085056U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019273 Expired - Fee Related CN203085056U (en) | 2013-01-14 | 2013-01-14 | An experimental facility used for inspecting reaction products of sodium peroxide and carbon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085056U (en) |
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2013
- 2013-01-14 CN CN 201320019273 patent/CN203085056U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20190114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |