CN103839468A - CO2 white-spring continuous experiment device - Google Patents
CO2 white-spring continuous experiment device Download PDFInfo
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- CN103839468A CN103839468A CN201210471058.5A CN201210471058A CN103839468A CN 103839468 A CN103839468 A CN 103839468A CN 201210471058 A CN201210471058 A CN 201210471058A CN 103839468 A CN103839468 A CN 103839468A
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- experiment
- spring
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Abstract
The invention discloses a CO2 white-spring continuous experiment device which solves problems in the prior art that spring experiments are carried out through relying on gases with high solubility and operation is troublesome and experiment cannot be carried out continuously and the like. The device is characterized in that a CO2 gas generation device includes a conical bottle (7) and a long-neck funnel (8); a spring experiment device includes a plastic bottle (3) placed on an experiment support (1) and a round-bottom flask (2) placed in an inversed manner on the experiment support (1); a little round hole is arranged in a bottle cover (17) of the plastic bottle (3); the conical bottle (7) and the round-bottom flask (2), and the plastic bottle (3) and a beaker (13) are connected through latex tubes. A purple litmus test solution is arranged in the beaker (13); a Ba(OH)2 solution (6) is placed in the plastic bottle; and limestones (10) are rotated in the conical bottle (7). The CO2 white-spring continuous experiment device has the advantages of being reasonable in design, simple in structure and convenient to use and the like and is a CO2 white-spring continuous experiment device which adopts a gas slightly soluble in water to carry out spring teaching experiments.
Description
One, technical field
The invention belongs to chemical experiment device, relate in particular to a kind of CO
2white fountain continuous experimental apparatus.
Two, technical background
" fountain experiment " is an important experiment in senior chemistry course, and teacher demonstrates NH for classmates on classroom
3the fountain experiment of (phenolphthalein), can allow classmates learn relevant knowledge.Conventionally the large gas of solubleness, as NH
3, HCl etc. can form beautiful fountain.But teacher will first collect NH by air-discharging method in experimentation at every turn
3, the good device of irregular company, and after having sprayed, repetitive operation at every turn, pretty troublesome, be also difficult to ensure impermeability, as CO
2deng being slightly soluble in H
2the gas of O is difficult to successfully.
Three, summary of the invention
The object of the present invention is to provide a kind of reasonable in design, simple in structure, easy to usely, adopt the gas that is slightly soluble in water to carry out the CO of fountain education experiment
2white fountain continuous experimental apparatus.
Main technical schemes of the present invention is: it comprises CO
2gas generating unit and fountain experiment device, described CO
2gas generating unit is to be made up of conical flask and long neck funnel, fountain experiment device is to be made up of the round-bottomed flask that is placed on the plastic bottle on experiment frame and be upside down on experiment frame, on the bottle cap of plastic bottle, be provided with small sircle hole, round-bottomed flask and taper bottleneck are provided with respectively rubber plug, between be provided with by three-way connection and connect the grass tube of emulsion tube, conical flask bottleneck is connected with three-way connection by emulsion tube, the bottleneck of round-bottomed flask is provided with emulsion tube, and its other end is placed in the purple reindeer moss test solution being arranged in beaker on one side.
Beneficial effect of the present invention is: not only rational in infrastructure, make simple, easy to usely, and can realize and be used in the little CO of solubleness in water
2gas does fountain experiment, forms white (colour) fountain, and makes it to have realized continuous effect of fountain.
Below in conjunction with accompanying drawing, the invention will be further described.
Four, brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure: 1 is experiment frame, 2 is round-bottomed flask, and 3 is plastic bottle, and 4 is grass tube, and 5,12,15 is spring clamp, and 6 is Ba (OH)
2solution, 7 is conical flask, and 8 is long neck funnel, and 9,16,17 is rubber plug, and 10 is lime stone, and 11,14 is emulsion tube, and 13 is beaker.
Five, embodiment
As shown in Figure 1, this experimental provision comprises CO
2gas generating unit and fountain experiment device two parts form, described CO
2gas generating unit is made up of conical flask 7 and long neck funnel 8, fountain experiment device forms by being placed on the plastic bottle 3 on experiment frame 1 and the round-bottomed flask 2 being upside down on experiment frame 1, on the bottle cap 17 of plastic bottle 3, be provided with small sircle hole, round-bottomed flask 2 and taper bottleneck are provided with respectively rubber plug 16, 9, between be provided with by three-way connection and connect the grass tube 4 of emulsion tube, conical flask 7 bottlenecks are connected with three-way connection by emulsion tube 11, the bottleneck of round-bottomed flask 2 is provided with emulsion tube 14, its other end is placed in the purple reindeer moss test solution that is arranged on 13 li, beaker on one side.Implement time of the present invention, first in conical flask 7, to add appropriate lime stone, in plastic bottle 3, add Ba (OH)
2 solution 6, and in beaker 13, add purple reindeer moss test solution, and the appropriate location of clamping corresponding emulsion tube with spring clamp 5,12,15. Open spring clamp 12,15, then in long neck funnel 8, add enough watery hydrochloric acid, watery hydrochloric acid to react the CO producing with lime stone
2gas is full of rapidly flask of the satisfactory end 2, when the purple reindeer moss test solution in beaker 13 becomes redness, CO is described
2it is full that gas has been collected, clamps respectively emulsion tube 11,14 with spring clamp 12,15.Then block the small sircle hole of center on plastic bottle 3 bottle caps with thumb, open spring clamp 5, firmly extruding plastic bottle 3, Ba (OH)
2 solution 6 enters in round-bottomed flask 2 and dissolves CO
2, generate BaCO
3, and form negative pressure, decontrol thumb, white fountain appear at immediately classmates in face of.Test complete three spring clamps of opening, the solution in round-bottomed flask 2 is discharged, and in plastic bottle, supplements Ba (OH)
2 solution 6, connects good device, can repeat white fountain test.
Claims (1)
1. a CO
2white fountain continuous experimental apparatus, it comprises CO
2gas generating unit and fountain experiment device, is characterized in that: described CO
2gas generating unit is to be made up of conical flask (7) and long neck funnel (8), fountain experiment device is to be made up of the round-bottomed flask (2) that is placed on the plastic bottle (3) on experiment frame (1) and be upside down on experiment frame (1), on the bottle cap (17) of plastic bottle (3), be provided with small sircle hole, round-bottomed flask (2) and taper bottleneck are provided with respectively rubber plug (16, 9), between be provided with by three-way connection and connect the grass tube (4) of emulsion tube, conical flask (7) bottleneck is connected with three-way connection by emulsion tube (11), the bottleneck of round-bottomed flask (2) is provided with emulsion tube (14), its other end is placed in and is arranged in the inner purple reindeer moss test solution of beaker (13) on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471058.5A CN103839468A (en) | 2012-11-20 | 2012-11-20 | CO2 white-spring continuous experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471058.5A CN103839468A (en) | 2012-11-20 | 2012-11-20 | CO2 white-spring continuous experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103839468A true CN103839468A (en) | 2014-06-04 |
Family
ID=50802921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210471058.5A Pending CN103839468A (en) | 2012-11-20 | 2012-11-20 | CO2 white-spring continuous experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103839468A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339965A (en) * | 2014-10-14 | 2015-02-11 | 叶香竹 | Fountain artwork |
| CN104361810A (en) * | 2014-11-08 | 2015-02-18 | 关肖锋 | Carbon dioxide property demonstrative experiment device |
| CN106023741A (en) * | 2016-08-12 | 2016-10-12 | 湖南工学院 | Sandglass-type hero-of-alexandria fountain circulating demonstration instrument |
| CN111696415A (en) * | 2020-07-20 | 2020-09-22 | 董志伟 | Fountain experiment contrast display system |
-
2012
- 2012-11-20 CN CN201210471058.5A patent/CN103839468A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339965A (en) * | 2014-10-14 | 2015-02-11 | 叶香竹 | Fountain artwork |
| CN104361810A (en) * | 2014-11-08 | 2015-02-18 | 关肖锋 | Carbon dioxide property demonstrative experiment device |
| CN106023741A (en) * | 2016-08-12 | 2016-10-12 | 湖南工学院 | Sandglass-type hero-of-alexandria fountain circulating demonstration instrument |
| CN111696415A (en) * | 2020-07-20 | 2020-09-22 | 董志伟 | Fountain experiment contrast display system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |