CN205899918U - Experimental device for modified heating ammonium bicarbonate - Google Patents
Experimental device for modified heating ammonium bicarbonate Download PDFInfo
- Publication number
- CN205899918U CN205899918U CN201620485362.9U CN201620485362U CN205899918U CN 205899918 U CN205899918 U CN 205899918U CN 201620485362 U CN201620485362 U CN 201620485362U CN 205899918 U CN205899918 U CN 205899918U
- Authority
- CN
- China
- Prior art keywords
- test tube
- curved bottom
- curved end
- ammonium bicarbonate
- iron stand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses an experimental device for modified heating ammonium bicarbonate, this experimental apparatus include the iron stand platform, fix at test tube of the curved end of iron stand bench and ordinary test tube, and the open end of test tube of the curved end is equipped with a rubber buffer, and in vitro of the curved end is equipped with red stone test paper of heap of stone, and test tube of the curved end and ordinary test tube are connected with ordinary test tube through the 2nd glass pipe through a glass tube connected, the ball of breathing in. Owing to adopt above -mentioned structure, the bottom that is located test tube of the curved end is concentrated to the ammonium bicarbonate solid, the abundant heating of being convenient for, and the change of can the audio -visual ammonium bicarbonate of observing being heated, whole experimental apparatus is in encapsulated situation, and is pollution -free, green.
Description
Technical field
This utility model is related to chemical experiment field, the experimental provision of more particularly, to a kind of improved heating ammonium hydrogen carbonate.
Background technology
Chemistry is a science based on testing, and is to be born in practice, grows up in an experiment.Pushing forward element comprehensively
During matter education, chemical experiment would is that the most directly perceived, the most lively, most active teaching means, even more cultivates and development is learned
Raw ability of thinking and the important method of creative ability, serve the effect that other teaching means are not replaced, but experimental provision
Whether that designs rationally will directly affect quality of instruction.Such as Shanghai religion version ninth grade chemistry page 3, in the examination of heating ammonium hydrogen carbonate
In testing, student cannot observe the process that ammonium hydrogen carbonate solid disappears, and does not also know that ammonium hydrogen carbonate solid becomes assorted after disappearing
, also there is the defects such as pollution environment in material, for overcoming above deficiency, we devise a kind of improved heating ammonium hydrogen carbonate
Experimental provision.
Content of the invention
The purpose of this utility model is to provide a kind of experimental provision of improved heating ammonium hydrogen carbonate.
The purpose of this utility model is achieved through the following technical solutions, and this experimental provision includes iron stand, is fixed on
Curved bottom test tube on iron stand and common test tube, the bottom of curved bottom test tube is provided with the alcohol burner heating for it, the opening of curved bottom test tube
Mouth end is provided with a rubber stopper, is provided with a red stone and builds reagent paper, and be fixed on rubber stopper by pin, the examination of curved bottom in the test tube of curved bottom
Pipe and common test tube pass through the first glass tubing and connect, and air-breathing ball is connected with common test tube by the second glass tubing.
During experiment, put into ammonium hydrogen carbonate solid in curved bottom test tube bottom, with alcohol burner heating, ammonium hydrogen carbonate can be observed solid
Body fades away, and red stone is built reagent paper and become blue it is known that having ammonia to produce, in test tube, the lime water of clarification becomes cloudy it is known that having
Carbon dioxide produces it was observed that having the globule on the test tube wall of curved bottom it is known that having water to produce, remaining gas can be collected by air-breathing ball
Process.
The beneficial effects of the utility model: due to adopting said structure, ammonium hydrogen carbonate solid is centrally located at curved bottom test tube
Bottom, is easy to fully heat, and can intuitively observe the change that ammonium hydrogen carbonate is heated, and whole experimental provision is in sealing shape
State, pollution-free, environmental protection.
Brief description
Describe embodiment of the present utility model below in conjunction with the accompanying drawings in detail
Fig. 1 is structural representation of the present utility model
In figure: 1, iron stand 2, curved bottom test tube 3, common test tube 4, alcohol burner 5, rubber stopper 6, the first glass tubing 7,
Pin 8, red stone build reagent paper 9, the second glass tubing 10, air-breathing ball
Specific embodiment
As shown in figure 1, this experimental provision includes iron stand 1, the curved bottom test tube 2 being fixed on iron stand 1 and common test tube
3, the bottom of curved bottom test tube 2 is provided with the alcohol burner 4 heating for it, and the opening of curved bottom test tube 2 is provided with a rubber stopper 5, the examination of curved bottom
It is provided with a red stone in pipe 2 and builds reagent paper 8, and be fixed on rubber stopper 5 by pin 7, curved bottom test tube 2 and common test tube 3 pass through
First glass tubing 6 connects, and air-breathing ball 10 is connected with common test tube 3 by the second glass tubing 9.During experiment, in curved bottom test tube 2 bottom
Put into ammonium hydrogen carbonate solid, heated with alcohol burner 4, ammonium hydrogen carbonate solid can be observed and fade away, red stone is built reagent paper 8 and become blue
It is known that there being ammonia to produce, in common test tube 3, the lime water of clarification becomes cloudy it is known that having carbon dioxide to produce it was observed that curved bottom color
There is the globule it is known that there being water to produce, remaining gas can be processed by air-breathing ball 10 collection on test tube 2 wall.
Claims (1)
1. a kind of experimental provision of improved heating ammonium hydrogen carbonate is it is characterised in that this experimental provision includes iron stand, is fixed on
Curved bottom test tube on iron stand and common test tube, the bottom of curved bottom test tube is provided with the alcohol burner heating for it, the opening of curved bottom test tube
Mouth end is provided with a rubber stopper, is provided with a red stone and builds reagent paper, and be fixed on rubber stopper by pin, the examination of curved bottom in the test tube of curved bottom
Pipe and common test tube pass through the first glass tubing and connect, and air-breathing ball is connected with common test tube by the second glass tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485362.9U CN205899918U (en) | 2016-05-17 | 2016-05-17 | Experimental device for modified heating ammonium bicarbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485362.9U CN205899918U (en) | 2016-05-17 | 2016-05-17 | Experimental device for modified heating ammonium bicarbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899918U true CN205899918U (en) | 2017-01-18 |
Family
ID=57766272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620485362.9U Expired - Fee Related CN205899918U (en) | 2016-05-17 | 2016-05-17 | Experimental device for modified heating ammonium bicarbonate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899918U (en) |
-
2016
- 2016-05-17 CN CN201620485362.9U patent/CN205899918U/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: 20170118 Termination date: 20170517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |