CN203882514U - Carbon dioxide preparation and property experiment device - Google Patents
Carbon dioxide preparation and property experiment device Download PDFInfo
- Publication number
- CN203882514U CN203882514U CN201420177061.0U CN201420177061U CN203882514U CN 203882514 U CN203882514 U CN 203882514U CN 201420177061 U CN201420177061 U CN 201420177061U CN 203882514 U CN203882514 U CN 203882514U
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- China
- Prior art keywords
- carbon dioxide
- beaker
- dividing plate
- property experiment
- dioxide preparation
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 55
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 55
- 238000002474 experimental method Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000004033 plastic Substances 0.000 claims abstract description 36
- 238000001704 evaporation Methods 0.000 claims abstract description 17
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005352 clarification Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 239000003814 drug Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 2
- 239000002985 plastic film Substances 0.000 abstract 2
- 229920006255 plastic film Polymers 0.000 abstract 2
- 241000283011 Rangifer Species 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000012085 test solution Substances 0.000 description 12
- 239000002253 acid Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RLBIQVVOMOPOHC-UHFFFAOYSA-N parathion-methyl Chemical compound COP(=S)(OC)OC1=CC=C([N+]([O-])=O)C=C1 RLBIQVVOMOPOHC-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Packages (AREA)
Abstract
The utility model discloses a carbon dioxide preparation and property experiment device, which is characterized in that an open plastic container is internally provided with an baffle plate with an opening, the upper part of a spatial region formed by the open plastic container and the baffle plate with the opening is covered by an elastic plastic film, the elastic plastic film is provided with a rubber-head dropper, a big beaker is arranged under the rubber-head dropper, the big beaker, a small beaker and an evaporating dish are arranged at the lower part of the spatial region formed by the open plastic container and the baffle plate with the opening, two wax candles with different heights are arranged in another spatial region formed by the open plastic container and the baffle plate with the opening, a piece of dry purple litmus paper and a piece of wet purple litmus paper are arranged in the evaporating dish, the small beaker is internally provided with clean lime water, and the big beaker and the small beaker can adopt plastic bottles or glass bottles with the bottleneck being removed. The carbon dioxide preparation and property experiment device is high in flexibility, miniaturized in structure, medicine saving, simple in air tightness detecting process, obvious in phenomenon for inspecting carbon dioxide properties, high in success rate and significant in effect, and has high popularization and application values.
Description
Technical field
The utility model belongs to education experiment equipment technical field, relates in particular to the device of a kind of carbon dioxide preparation and property experiment.
Background technology
At present, in junior middle school chemistry student experimenting content, produce and the property experiment of carbon dioxide is an important experiment content, adopt experimental provision simple and easy to operate, for making student satisfactorily finish this experiment, the physical property of firmly grasping carbon dioxide, chemical property and preparation method have very important significance.
There is following shortcoming for producing with the device of property experiment of carbon dioxide in what prior art provided:
1. the bad inspection of impermeability, handle assembly, will be with being subject to thermal jet method to check impermeability by after installing as figure.Conduit is put in the small beaker that fills water, then apply conical flask with hot towel and see whether there is Bubble formation, if there is Bubble formation just to illustrate that impermeability is good.But because conical flask volume is large, sometimes can't see Bubble formation, will allow students produce a kind of, the incorrect idea of this method of inspection, moreover, also cumbersome.And when the impermeability of inspection gas general generator, need to check with water flood, closure piston, then water filling, liquid level stops to spherical hopper three/bis-o'clock, and whether observation liquid level declines, if do not declined, illustrates that impermeability is good.This method of inspection bothers very much, if impermeability is bad, water need have been fallen, more again in cock, be coated with vaseline, then water filling is checked.Expend so a large amount of time, and toward also bad dress of containing medicines in the general generator of gas.
2. consume amount of medicament large, because the gentle general generator volume ratio of conical flask is larger, so need a large amount of watery hydrochloric acid to also have lime stone, the watery hydrochloric acid of the general generator of gas the inside is diluted gradually after reaction, as need be repeatedly produced carbon dioxide time, change the watery hydrochloric acid of the inside, just must outwell a large amount of watery hydrochloric acid, this has just wasted a large amount of medicines, and these a few processes of changing are cumbersome.
3. experiment is difficult to operation, and watery hydrochloric acid contacts with calcium carbonate, reacts very fast, produces a large amount of foams, and many junior school students are often frightened terribly and dare not operate down again, thereby easily cause the failure of an experiment.
4. device is difficult for moving, because these two devices all need to be fixed up in laboratory, so be unfavorable for doing lecture experiment to student.
(2) character of carbon dioxide demonstration
In the time that the density of checking carbon dioxide is greater than air, what often adopt is in a beaker, to put into two different candles of length, holding the carbon dioxide of collecting with gas bottle is put into the beaker mouth mode of toppling over and topples over carbon dioxide again, low candle first extinguishes, after high candle, extinguish, illustrate that the density ratio air of carbon dioxide is large.But this method is easy to failure, high candle first extinguishes sometimes, can mislead so on the contrary student, and the success ratio of doing is like this not high yet.
In the time that the soluble in water and aqueous solution of checking carbon dioxide has acid character, be carbon dioxide to be passed into drip in the water that has purple reindeer moss test solution check, if purple reindeer moss test solution reddens explanation carbon dioxide, carbonic acid soluble in water and that carbon dioxide solubility generates in water can make purple reindeer moss become redness.But students' union is familiar with as follows like this:
(1) conclusion of experiment is introduced to student as knowledge;
(2) experimentation and conclusion lack tight positive connection.
Utility model content
The purpose of this utility model is to provide the device of a kind of carbon dioxide preparation and property experiment, be intended to solve the carbon dioxide preparation facilities that prior art provides the bad inspection of impermeability, consume amount of medicament large, test controlled and operability is poor, be not easy to mobile, while verifying the chemical property of carbon dioxide, success of the test rate is lower, the problem that intuitive is poor.
The utility model is to realize like this, a device for carbon dioxide preparation and property experiment, the device of this carbon dioxide preparation and property experiment comprises: uncovered plastic ware, opening dividing plate, elastoplast film, glue head dropper, large beaker, small beaker, evaporating dish, candle;
In described uncovered plastic ware, be provided with described opening dividing plate, the top of the area of space that described uncovered plastic ware and described opening dividing plate form is coated with described elastoplast film, on described elastoplast film, be provided with described glue head dropper, under described glue head dropper, be placed with described large beaker, described large beaker, small beaker and evaporating dish are placed on the bottom of the area of space of described uncovered plastic ware and described opening dividing plate formation, are placed with two highly different candles in another area of space that described uncovered plastic ware forms from described opening dividing plate.
Further, in described evaporating dish, be placed with a dry purple litmus paper and moistening purple litmus paper.
Further, in described small beaker, be placed with clarification lime water.
Further, described large beaker and small beaker can adopt plastic bottle or the vial of debottleneck.
The carbon dioxide preparation that the utility model provides and the device of property experiment, in mouth plastic ware, be provided with opening dividing plate, the top of the area of space that uncovered plastic ware and opening dividing plate form is coated with elastoplast film, on elastoplast film, be provided with glue head dropper, under glue head dropper, be placed with large beaker, large beaker, small beaker and evaporating dish are placed on the bottom of the area of space of uncovered plastic ware and opening dividing plate formation, in another area of space that uncovered plastic ware forms from opening dividing plate, be placed with two highly different candles, in evaporating dish, be placed with a dry purple litmus paper and moistening purple litmus paper, in small beaker, be placed with clarification lime water, large beaker and small beaker can adopt plastic bottle or the vial of debottleneck, the utility model dirigibility is strong, structure mini, saving medicine, inspection impermeability process is simple, easy and simple to handle, easy to control, the phenomenon of inspection properties of carbon dioxide is obvious, and success ratio is high, and effect is remarkable, of great advantage to cultivating Creative Thinking and imagery thinking, simple in structure, practical, there is stronger propagation and employment and be worth.
Brief description of the drawings
Fig. 1 is the structural representation of the device of the carbon dioxide preparation that provides of the utility model embodiment and property experiment.
In figure: 1, uncovered plastic ware; 2, opening dividing plate; 3, elastoplast film; 4, glue head dropper; 5, large beaker; 6, small beaker; 7, evaporating dish; 8, dry purple litmus paper; 9, moistening purple litmus paper; 10, candle.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the device of carbon dioxide preparation that the utility model embodiment provides and property experiment.For convenience of explanation, only show the part relevant to the utility model embodiment.
The device of this carbon dioxide preparation and property experiment comprises: uncovered plastic ware 1, opening dividing plate 2, elastoplast film 3, glue head dropper 4, large beaker 5, small beaker 6, evaporating dish 7, candle 10;
In uncovered plastic ware 1, be provided with opening dividing plate 2, uncovered plastic ware 1 is coated with elastoplast film 3 with the top of the area of space that opening dividing plate 2 forms, on elastoplast film 3, be provided with glue head dropper 4, under glue head dropper 4, be placed with large beaker 5, large beaker 5, small beaker 6 and evaporating dish 7 are placed on the bottom of the area of space that uncovered plastic ware 1 and opening dividing plate 2 form, and are placed with two highly different candles 10 in another area of space that uncovered plastic ware 1 forms from opening dividing plate 2.
In the utility model embodiment, in evaporating dish 7, be placed with a dry purple litmus paper 8 and moistening purple litmus paper 9.
In the utility model embodiment, in small beaker 6, be placed with clarification lime water.
In the utility model embodiment, large beaker 5 and small beaker 6 can adopt plastic bottle or the vial of debottleneck.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1, draw watery hydrochloric acid with glue head dropper 4 and pass through elastoplast film 3, drip in the large beaker 5 that is placed with lime stone, reaction starts, and the carbon dioxide of generation runs into the small beaker 6 on the right side, sees whether the clarification lime water of the inside becomes muddy, in evaporating dish 7, be placed with dry purple litmus paper 8, moistening purple litmus paper 9, observe change color, after there being a lower aperture dividing plate 2, carbon dioxide extinguishes two candles 10 on the right side by opening dividing plate 2 successively.
The utility model is a miniature demonstrating experiment device, also be a multifunctional combined apparatus, advantage is all property experiments to be incorporated in a large uncovered plastic ware 1, what the inside was used is all micro bottles, complete this experiment and only need a small amount of medicine, greatly save medicine, avoided chemical consumptions a large amount of in property experiment; Experimental implementation is very simple, only need splash into watery hydrochloric acid with glue head dropper 4, and reaction can occur, or else need afterwards operation, will complete whole experiment, only need observe phenomena, just can verify the properties of carbon dioxide, this is to innovative device being easily understood of student Lai Shuoshi; The phenomenon of checking properties of carbon dioxide is obvious, effect is remarkable, and completing this, to test the required time very short, and success ratio is high.In experiment, can use the plastic bottle, the vial that in life, are available anywhere, give a kind of bold guiding of student, as long as experimental principle is correct, its device can designed, designed, is conducive to cultivate that student actively starts, the spirit of Innovation Exploring.
The utility model is on character lecture experiment, carry out lecture experiment by obvious phenomenon and significant effect, innovation with verifying and derive theory, instead of simple draw notional result with experiment, this just makes student learn by experiment clearer, more deep, has cultivated better the interest of study.As in above-mentioned improved property experiment, several property experiment collection and one, naturally and understandably complete experiment according to logical thinking, promote student and teacher's innovation ability.
In the time that the soluble in water and aqueous solution of checking carbon dioxide has acid character, can test with a supplementary experiment and verified by increasing a contrast.
Contrast experiment: draw dilute sulfuric acid (be acid) with glue head dropper 4, dripping people fills in the test tube of purple reindeer moss test solution and goes, reindeer moss test solution reddens, and provable like this acid can make purple reindeer moss test solution redden (reindeer moss is met acid and reddened, at this with experimental verification); When carbon dioxide passes into while going in another test tube that fills purple reindeer moss test solution, reindeer moss test solution also reddens, so just having proved that the reaction of carbon dioxide and water generates acid, is that acid makes reindeer moss redden (supplement before this, the experiment that carbon dioxide can not make solid-state reindeer moss redden).If by splash into after dilute sulfuric acid and pass into carbon dioxide after all become two red test tubes and heat respectively, can see red constant purple in the test tube that drips people's dilute sulfuric acid, become purple and pass into redness in the test tube of carbon dioxide.Like this with having experimental results show that sulfuric acid is more stable acid, and the acid generating after carbon dioxide and water reaction is the conclusion of labile acid, avoid the teaching of " carbonic acid is very unstable; easily decompose; so red reindeer moss test solution becomes again purple " this impart knowledge in teaching material in the time of heating, thereby the science of the content of courses is based upon on more solid experiment basis.
Supplement experiment: passing into before purple reindeer moss test solution, first, by being connected to the U-shaped glass tube that is placed with a little solid-state reindeer moss in device, reindeer moss does not redden, and has so just proved that carbon dioxide can not make purple reindeer moss redden by freshly prepd carbon dioxide; When carbon dioxide continues to pass into while going in purple reindeer moss test solution, test solution reddens, so just proved be carbon dioxide first and water reaction generate sourly, make acid that purple reindeer moss has been reddened.To sum up, supplement experiment and a contrast experiment by increasing by one, prove that carbon dioxide can not make the solid-state reindeer moss look that reddens, also proved that the water reaction of carbon dioxide first and in reindeer moss test solution generates carbonic acid, that carbonic acid reddens reindeer moss, prove again the instability of carbonic acid simultaneously, to in teaching material, change into by the method for the testing enhancing intuitive of directly reaching a conclusion with the partial content of impart knowledge method narration about carbon dioxide chemistry character like this, more be conducive to the understanding of student to carbon dioxide chemistry character, improved teaching efficiency.
The carbon dioxide preparation that the utility model embodiment provides and the device of property experiment, in mouth plastic ware, be provided with opening dividing plate 2, uncovered plastic ware 1 is coated with elastoplast film 3 with the top of the area of space that opening dividing plate 2 forms, on elastoplast film 3, be provided with glue head dropper 4, under glue head dropper 4, be placed with large beaker 5, large beaker 5, small beaker 6 and evaporating dish 7 are placed on the bottom of the area of space that uncovered plastic ware 1 and opening dividing plate 2 form, in another area of space that uncovered plastic ware 1 forms from opening dividing plate 2, be placed with two highly different candles 10, in evaporating dish 7, be placed with a dry purple litmus paper 8 and moistening purple litmus paper 9, in small beaker 6, be placed with clarification lime water, large beaker 5 and small beaker 6 can adopt plastic bottle or the vial of debottleneck, the utility model dirigibility is strong, structure mini, saving medicine, inspection impermeability process is simple, easy and simple to handle, easy to control, the phenomenon of inspection properties of carbon dioxide is obvious, and success ratio is high, and effect is remarkable, of great advantage to cultivating Creative Thinking and imagery thinking, simple in structure, practical, there is stronger propagation and employment and be worth.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a device for carbon dioxide preparation and property experiment, is characterized in that, the device of this carbon dioxide preparation and property experiment comprises: uncovered plastic ware, opening dividing plate, elastoplast film, glue head dropper, large beaker, small beaker, evaporating dish, candle;
In described uncovered plastic ware, be provided with described opening dividing plate, the top of the area of space that described uncovered plastic ware and described opening dividing plate form is coated with described elastoplast film, on described elastoplast film, be provided with described glue head dropper, under described glue head dropper, be placed with described large beaker, described large beaker, small beaker and evaporating dish are placed on the bottom of the area of space of described uncovered plastic ware and described opening dividing plate formation, are placed with two highly different candles in another area of space that described uncovered plastic ware forms from described opening dividing plate.
2. the device of carbon dioxide preparation as claimed in claim 1 and property experiment, is characterized in that, is placed with a dry purple litmus paper and moistening purple litmus paper in described evaporating dish.
3. the device of carbon dioxide preparation as claimed in claim 1 and property experiment, is characterized in that, is placed with clarification lime water in described small beaker.
4. the device of carbon dioxide preparation as claimed in claim 1 and property experiment, is characterized in that, described large beaker and small beaker can adopt plastic bottle or the vial of debottleneck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177061.0U CN203882514U (en) | 2014-04-11 | 2014-04-11 | Carbon dioxide preparation and property experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177061.0U CN203882514U (en) | 2014-04-11 | 2014-04-11 | Carbon dioxide preparation and property experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882514U true CN203882514U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420177061.0U Expired - Fee Related CN203882514U (en) | 2014-04-11 | 2014-04-11 | Carbon dioxide preparation and property experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882514U (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 |
| CN113257092A (en) * | 2021-04-27 | 2021-08-13 | 雷山县第三中学 | Carbon dioxide property comprehensive experimental instrument and experimental method |
-
2014
- 2014-04-11 CN CN201420177061.0U patent/CN203882514U/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 |
| CN113257092A (en) * | 2021-04-27 | 2021-08-13 | 雷山县第三中学 | Carbon dioxide property comprehensive experimental instrument and experimental method |
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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: 20141015 Termination date: 20150411 |
|
| EXPY | Termination of patent right or utility model |