CN202224173U - Chemical experiment equipment for testing quality of CO2 - Google Patents
Chemical experiment equipment for testing quality of CO2 Download PDFInfo
- Publication number
- CN202224173U CN202224173U CN2011202773487U CN201120277348U CN202224173U CN 202224173 U CN202224173 U CN 202224173U CN 2011202773487 U CN2011202773487 U CN 2011202773487U CN 201120277348 U CN201120277348 U CN 201120277348U CN 202224173 U CN202224173 U CN 202224173U
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- wide
- mouth bottle
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- flask
- chemical experiment
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Abstract
The utility model belongs to the field of chemical experiment apparatuses, and relates to chemical experiment equipment for testing the quality of CO2, which can test or verify various qualities of the CO2 on the whole, and comprises a gas generator. The gas generator is connected with a burning experiment beaker (3) and one opening of a three-opening flask (6) respectively by conduits (1 and 2); the three-opening flask (6) is inverted, and a rubber head dropper (7) is arranged at the second opening of the three-opening flask (6), the second opening of the three-opening flask (6) is communicated with a foundation experiment flask (9) by a glass conduit (8); and the third opening of the three-opening flask (6) is communicated with an acid-base testing wide-mouth bottle (14), an oxygen making wide-mouth bottle (15) and a precipitation reaction wide-mouth bottle (16) by conduits (10, 11 and 12). The chemical experiment equipment has a simple and practicable structure, can be detached and combined, can be used for integrally realizing a plurality of classic experiments for testing the quality of the CO2 by the special assembling of the existing experiment apparatuses, is easy to operate and promote, and is applicable to student experiments and demonstrative experiments in middle schools.
Description
Technical field
The utility model belongs to the chemical experimental instrument field, relates to a kind of CO that is used to check
2The chemical experiment device of character.
Background technology
The chemical reaction phenomenon is the most attractive part of chemistry; The chemical research worker or the people of contacted chemical experiment never that are specialty can feel excited to the various variations that occur in the chemical reaction with joyful, thereby produce desire of seeking knowledge strongly and the serious hope of taking action on one's own.Especially, in the high school chemistry teaching process, bookish chemical knowledge shown through experiment not only help the students understand chemical knowledge, more help to excite student's aspiration to knowledge.
Yet, in present middle school chemistry about CO
2In the teaching process of character, relevant combination experiment is few, and main cause is with the textbook to be that main teaching pattern is with relevant CO
2The systematic knowledge of character is divided into more chapters and sections, and the student is difficult to awarding knowledge is produced overall cognitive, but the interest of experiment and generalization are descended to some extent.Existing education experiment mostly is to CO
2A certain independent character or the set meter of wherein several attributes, like CO
2Can stop burning, can react and generate oxygen or the aqueous solution shows character such as acidity, mostly be to come its character is checked one by one through single experiment, lack a kind of can be with CO
2The combined experimental device that a plurality of character integral body detect or verify.
The utility model content
The purpose of the utility model is to the problem that exists in the prior art, provide a kind of can be with CO
2The chemical experiment device that a plurality of character integral body are checked.
For this reason, the utility model has adopted following technical scheme:
A kind of check CO
2The chemical experiment device of character comprises gas generator, wherein, said gas generator through two conduits respectively with an open communication of combustion experiment beaker and there-necked flask; Said there-necked flask is inverted; Its another opening is provided with glue head dropper; Its another opening is provided with glue head dropper, and is communicated with the fountain experiment beaker through grass tube, its again an opening through conduit and soda acid detection wide-mouth bottle, make the oxygen wide-mouth bottle and the precipitation reaction wide-mouth bottle is communicated with.
Said there-necked flask, soda acid detect wide-mouth bottle, system oxygen wide-mouth bottle and precipitation reaction wide-mouth bottle and are provided with bottle stopper.
Said gas generator comprises conical flask and the separatory funnel that is provided with above that.
Be respectively equipped with the connection sebific duct on said three conduits that are used to be communicated with combustion experiment beaker and there-necked flask, and be respectively equipped with spring clip connecting on the sebific duct.
Also be provided with the gas detecting conduit on the bottle stopper of said precipitation reaction wide-mouth bottle.
The beneficial effect of the utility model is: simple for structure, detachable, capable of being combined; Specific assembling through existing laboratory apparatus is with a plurality of check CO
2The classics experiment integral body of character realizes; Be convenient to operation, be easy to promote, be suitable for middle school student experimenting and lecture experiment.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
As shown in Figure 1, a kind of check CO
2The chemical experiment device of character comprises gas generator, wherein, said gas generator through conduit 1,2 respectively with an open communication of combustion experiment beaker 3 and there-necked flask 6; Said there-necked flask 6 is inverted; Its another opening is provided with glue head dropper 7; And is communicated with fountain experiment beaker 9 through grass tube 8, its again an opening through conduit 10,11,12 and soda acid detection wide-mouth bottle 14, make oxygen wide-mouth bottle 15 and precipitation reaction wide-mouth bottle 16 is communicated with.With the air emptying in the there-necked flask 6, said conduit 10 can be deep into the bottom of there-necked flask 6 for convenient.
Said there-necked flask 6, soda acid detect wide-mouth bottle 14, system oxygen wide-mouth bottle 15 and precipitation reaction wide-mouth bottle 16 and are provided with bottle stopper.Said gas generator comprises conical flask 4 and the separatory funnel 5 that is provided with above that.Be respectively equipped with connection sebific duct 17,20,22 on the said conduit 1,2,10, and on connection sebific duct 17,20,22, be respectively equipped with spring clip 18,19,21.Also be provided with gas detecting conduit 13 on the bottle stopper of said precipitation reaction wide-mouth bottle 16.In the experimentation, also can establish a convenient candle stick 23 of placing candle in the said combustion experiment beaker 3.
Below in conjunction with experimentation the structure of the utility model further is familiar with, concrete experimentation is following:
(a) the assembling instrument adds medicine: by the instrument that connects shown in Figure 1.Wherein, in conical flask 4, put into an amount of calcium carbonate, inject an amount of 10% hydrochloric acid in the separatory funnel 5; Inject the dilute solution of sodium hydroxide for preparing in the fountain experiment beaker 9; Suck strong caustic in the glue head dropper 8; Soda acid detects and adds an amount of purple reindeer moss test solution in the wide-mouth bottle 14; Add an amount of Na in the system oxygen wide-mouth bottle 15
2O
2Powder; The limewash that adds clarification in the precipitation reaction wide-mouth bottle 16.
(b) air-tightness of testing fixture: close spring clip 18; Cover conical flask with hand, have bubble to produce, unclamp hand if find to extend into fountain experiment beaker 9, soda acid detection wide-mouth bottle 14 and the precipitation reaction wide-mouth bottle 16 subsurface conduit mouths of pipe; Form a bit of water column in the conduit; A moment later, liquid level does not descend, and explains that device is air tight.
(c) produce, collect and check the fire extinguishing and the combustion-supporting character of carbon dioxide: open spring clip 18; Close spring clip 19, the piston of the separatory funnel 5 of outwarding winding reacts calcium carbonate solid and hydrochloric acid solution; The candle of lighting is put into combustion experiment beaker 3, the observation experiment phenomenon; After question response is accomplished, clamp a magnesium rod, stretch in the combustion experiment beaker 3 the observation experiment phenomenon after in air, lighting with the sand papering light with crucible tongs.
(d) carbon dioxide is produced the check of oxygen and other character: open spring clip 19, close spring clip 18, CO
2Get into soda acid through conduit 2,10,11,12 and detect in wide-mouth bottle 14, system oxygen wide-mouth bottle 15 and the precipitation reaction wide-mouth bottle 16, with purple reindeer moss test solution, sodium peroxide and the reaction of clarification limewash, observe the experimental phenomena in per step respectively.Check the gas that generates in conduit 13 exits with the batten of band Mars at last.
(e) be dissolved in the fountain experiment of sodium hydroxide solution: revolve and stop separatory funnel 5, stop to react in the gas generator, close spring clip 19, spring clip 21, extruding glue head dropper 11 makes strong caustic and CO
2Gas reaction, the observation experiment phenomenon.
(f) experiment finishes, and removes instrument, cleaning device.
The reaction principle that relates in the experimentation is following:
CaCO
3+2HCl＝CaCl
2+H
2O+CO
2↑
2CO
2+2Na
2O
2＝2Na
2CO
3+O
2↑
CO
2+Ca(OH)
2＝CaCO
3↓+H
2O
C+O
2＝CO
2
CO
2+2NaOH?=?Na
2CO
3+H
2O
To the check CO that the utility model provided
2The chemical experiment device of character can increase or remove the partial reaction instrument as required, perhaps some instruments is replaced under the prerequisite that does not change function, and these improvement all should be regarded as the technical scheme that the utility model is protected.
Claims (5)
1. check CO for one kind
2The chemical experiment device of character comprises gas generator, it is characterized in that: said gas generator through conduit (1,2) respectively with an open communication of combustion experiment beaker (3) and there-necked flask (6); Said there-necked flask (6) is inverted; Its another opening is provided with glue head dropper (7); And is communicated with fountain experiment beaker (9) through grass tube (8), its again an opening through conduit (10,11,12) and soda acid detection wide-mouth bottle (14), make oxygen wide-mouth bottle (15) and precipitation reaction wide-mouth bottle (16) is communicated with.
2. check CO according to claim 1
2The chemical experiment device of character is characterized in that: said there-necked flask (6), soda acid detect wide-mouth bottle (14), system oxygen wide-mouth bottle (15) and precipitation reaction wide-mouth bottle (16) and are provided with bottle stopper.
3. check CO according to claim 1
2The chemical experiment device of character is characterized in that: said gas generator comprises conical flask (4) and separatory funnel (5) above that is set.
4. check CO according to claim 1
2The chemical experiment device of character is characterized in that: be respectively equipped with connection sebific duct (17,20,22) on the said conduit (1,2,10), and on connection sebific duct (17,20,22), be respectively equipped with spring clip (18,19,21).
5. like the said check of claim 2 CO
2The chemical experiment device of character is characterized in that: also be provided with gas detecting conduit (13) on the bottle stopper of said precipitation reaction wide-mouth bottle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773487U CN202224173U (en) | 2011-08-02 | 2011-08-02 | Chemical experiment equipment for testing quality of CO2 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773487U CN202224173U (en) | 2011-08-02 | 2011-08-02 | Chemical experiment equipment for testing quality of CO2 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224173U true CN202224173U (en) | 2012-05-23 |
Family
ID=46074782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202773487U Expired - Fee Related CN202224173U (en) | 2011-08-02 | 2011-08-02 | Chemical experiment equipment for testing quality of CO2 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361810A (en) * | 2014-11-08 | 2015-02-18 | 关肖锋 | Carbon dioxide property demonstrative experiment device |
| CN105632307A (en) * | 2014-11-28 | 2016-06-01 | 丹阳市华南实验学校 | Carbon dioxide nature demonstration instrument |
-
2011
- 2011-08-02 CN CN2011202773487U patent/CN202224173U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361810A (en) * | 2014-11-08 | 2015-02-18 | 关肖锋 | Carbon dioxide property demonstrative experiment device |
| CN105632307A (en) * | 2014-11-28 | 2016-06-01 | 丹阳市华南实验学校 | Carbon dioxide nature demonstration instrument |
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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: 20120523 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |