CN204990961U - Experimental device for verify that ammonia has still originality - Google Patents
Experimental device for verify that ammonia has still originality Download PDFInfo
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- CN204990961U CN204990961U CN201520768229.XU CN201520768229U CN204990961U CN 204990961 U CN204990961 U CN 204990961U CN 201520768229 U CN201520768229 U CN 201520768229U CN 204990961 U CN204990961 U CN 204990961U
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Abstract
The utility model provides an experimental device for verify that ammonia has still originality, its main characterized in that: it is by first alcohol burner (1), ammonium chloride and calcium hydrate big test tube (3) are equipped with, first iron stand platform (4) that the band iron pressed from both sides, first rubber stopper (5), first drying tube (7) of soda lime are equipped with, second rubber stopper (8), first air duct (9), third rubber stopper (10), hard glass pipe (11) of cupric oxide (12) are equipped with, the second iron stand platform (13) that the band iron pressed from both sides, second alcohol burner (14), fourth rubber stopper (15), second drying tube (17) of white copper sulphate (16) are equipped with, the 5th rubber stopper (18), second air duct (19), emulsion tube (20), funnel (21), beaker (22) of being equipped with watery hydrochloric acid are constituteed. Do not have the identification ammonia in the textbook and have the still experiment of originality, use the utility model discloses the phenomenon is obvious, can prove fully that the ammonia has still originality. (B /)
Description
Technical field
The utility model belongs to chemical field, relates to a kind of chemical experiment device, particularly has the experiment of reductibility for demonstrating ammonia on senior chemistry textbook
.
Background technology
The chemical 1(that Shandong science tech publishing house in July, 2014 publishes is required) quantivalency of nitrogen element is minimum in textbook the 77th page of ammonia, and ammonia has reductibility, can react with the material with oxidisability.Because proving without experiment in textbook, this student being understood often and non-ly to understand, can not really understand.If invent a kind of experimental provision that ammonia has reductibility that confirms, experimentally, phenomenon is confirmed intuitively, and so student is just much deep to the understanding of this knowledge point
.
Utility model content
The utility model object is to provide a kind of experimental provision that ammonia has reductibility that confirms.By the ammonia of phenomenon confirmation intuitively, there is reductibility, deepen student to the understanding of this knowledge point.The utility model is not only applicable to classroom does lecture experiment, but also applicable student does grouping experiment
.
The purpose of this utility model realizes by the following method:
A kind ofly confirm the experimental provision that ammonia has reductibility, be primarily characterized in that: it is by the first spirit lamp (1), the Boiling tube (3) of ammonium chloride and calcium hydroxide mixture (2) is housed, with first iron stand (4) of iron clamp, first rubber stopper (5), first drying tube (7) of soda-lime (6) is housed, second rubber stopper (8), first wireway (9), 3rd rubber stopper (10), the horminess glass tube (11) of cupric oxide (12) is housed, with second iron stand (13) of iron clamp, second spirit lamp (14), 4th rubber stopper (15), second drying tube (17) of white copper sulphate solid (16) is housed, 5th rubber stopper (18), second wireway (19), emulsion tube (20), funnel (21), beaker (22) composition of watery hydrochloric acid is housed
.
Experimentation: first connect instrument, the impermeability of testing fixture.The potpourri (2) of appropriate ammonium chloride and calcium hydroxide is filled in Boiling tube (3); Appropriate bases lime (6) is put in the first drying tube (7), that less for the first drying tube (7) mouth of pipe end is inserted on the first rubber stopper (5).The first rubber stopper (5) jam-pack with the first drying tube (7) is equipped with Boiling tube (3) mouth of pipe of ammonium chloride and calcium hydroxide mixture (2), then Boiling tube (3) is fixed on the first iron stand (4), test tube mouth towards right and slightly downward-sloping, good height of harmonizing.One end of first wireway (9) is inserted on the second rubber stopper (8), the other end is inserted on the 3rd rubber stopper (10), will with larger that end of the second rubber stopper (8) jam-pack first drying tube (7) mouth of pipe of the first wireway (9) and the 3rd rubber stopper (10).Appropriate cupric oxide powder (12) is put in horminess glass tube (11), horminess glass tube (11) is horizontally fixed on the second iron stand (13), with the 3rd rubber stopper (10) jam-pack horminess glass tube (11) the left end mouth of pipe of band first wireway (9).Appropriate white copper sulphate solid (16) is put in the second drying tube (17), that less for second drying tube (17) mouth of pipe end is inserted on the 4th rubber stopper (15), then will with the 4th rubber stopper (15) jam-pack horminess glass tube (11) the right-hand member mouth of pipe of the second drying tube (17).One end of second wireway (19) is inserted on the 5th rubber stopper (18), with that end that the 5th rubber stopper (18) jam-pack second drying tube (17) mouth of pipe of the second wireway (19) is larger.Emulsion tube (20) connects second wireway (19) of the 5th rubber stopper (18) outer end and the end of funnel (21), and funnel (21) tips upside down in the beaker (22) that watery hydrochloric acid is housed.During experiment, first light the first spirit lamp (1), move around in the below of Boiling tube (3) with the flame envelope of the first spirit lamp (1), after Boiling tube (3) is heated evenly, the flame envelope of spirit lamp is fixed on the position heating of the potpourri (2) being placed with ammonium chloride and calcium hydroxide, in a moment, ammonium chloride and calcium hydroxide effect produce ammonia and water vapor, enter in horminess glass tube (11) through soda-lime (6) dried ammonia, first logical ammonia a little while, then the second spirit lamp (14) is lighted to the cupric oxide heating in horminess glass tube (11), can see after a period of time that the black powder in horminess glass tube (11) becomes redness, white copper sulphate solid in second drying tube (17) becomes blue colored crystal.This sufficient proof ammonia has reductibility, and cupric oxide can be reduced to red copper in a heated condition, meanwhile, the water of generation and white copper sulphate react and generates blue copper sulfate crystal.After experiment, first extinguish the second spirit lamp (14), stop, to horminess glass tube (11) heating, continuing logical ammonia, after horminess glass tube (11) cooling, extinguish the first spirit lamp (1) again.Ammonia unnecessary in experimentation is absorbed by the watery hydrochloric acid in beaker, therefore, safety, environmental protection, pollution-free.
The beneficial effects of the utility model are: use the utility model to do experiment and can clearly observe black powder and become redness, sufficient proof ammonia has reductibility, can reduce environmental pollution again simultaneously; The utility model is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model
.
Mark in figure represents respectively:
Second iron stand (14) second spirit lamp (15) the 4th rubber stopper (16) white copper sulphate (17) second drying tube (18) the 5th rubber stopper (19) second wireway (20) emulsion tube (21) funnel (22) of the first iron stand (5) first rubber stopper (6) soda-lime (7) first drying tube (8) second rubber stopper (9) first wireway (10) the 3rd rubber stopper (11) horminess glass tube (12) cupric oxide (13) band iron clamp of potpourri (3) Boiling tube (4) the band iron clamp of (1) first spirit lamp (2) ammonium chloride and calcium hydroxide is equipped with the beaker of watery hydrochloric acid
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
A kind ofly confirm the experimental provision that ammonia has reductibility, be primarily characterized in that: it is by the first spirit lamp (1), the Boiling tube (3) of ammonium chloride and calcium hydroxide mixture (2) is housed, with first iron stand (4) of iron clamp, first rubber stopper (5), first drying tube (7) of soda-lime (6) is housed, second rubber stopper (8), first wireway (9), 3rd rubber stopper (10), the horminess glass tube (11) of cupric oxide (12) is housed, with second iron stand (13) of iron clamp, second spirit lamp (14), 4th rubber stopper (15), second drying tube (17) of white copper sulphate solid (16) is housed, 5th rubber stopper (18), second wireway (19), emulsion tube (20), funnel (21), beaker (22) composition of watery hydrochloric acid is housed
.
Using method of the present utility model: first connect instrument, the impermeability of testing fixture.The potpourri (2) of appropriate ammonium chloride and calcium hydroxide is filled in Boiling tube (3); Appropriate bases lime (6) is put in the first drying tube (7), that less for the first drying tube (7) mouth of pipe end is inserted on the first rubber stopper (5).The first rubber stopper (5) jam-pack with the first drying tube (7) is equipped with Boiling tube (3) mouth of pipe of ammonium chloride and calcium hydroxide mixture (2), then Boiling tube (3) is fixed on the first iron stand (4), test tube mouth towards right and slightly downward-sloping, good height of harmonizing.One end of first wireway (9) is inserted on the second rubber stopper (8), the other end is inserted on the 3rd rubber stopper (10), will with larger that end of the second rubber stopper (8) jam-pack first drying tube (7) mouth of pipe of the first wireway (9) and the 3rd rubber stopper (10).Appropriate cupric oxide powder (12) is put in horminess glass tube (11), horminess glass tube (11) is horizontally fixed on the second iron stand (13), with the 3rd rubber stopper (10) jam-pack horminess glass tube (11) the left end mouth of pipe of band first wireway (9).Appropriate white copper sulphate solid (16) is put in the second drying tube (17), that less for second drying tube (17) mouth of pipe end is inserted on the 4th rubber stopper (15), then will with the 4th rubber stopper (15) jam-pack horminess glass tube (11) the right-hand member mouth of pipe of the second drying tube (17).One end of second wireway (19) is inserted on the 5th rubber stopper (18), with that end that the 5th rubber stopper (18) jam-pack second drying tube (17) mouth of pipe of the second wireway (19) is larger.Emulsion tube (20) connects second wireway (19) of the 5th rubber stopper (18) outer end and the end of funnel (21), and funnel (21) tips upside down in the beaker (22) that watery hydrochloric acid is housed.During experiment, first light the first spirit lamp (1), move around in the below of Boiling tube (3) with the flame envelope of the first spirit lamp (1), after Boiling tube (3) is heated evenly, the flame envelope of spirit lamp is fixed on the position heating of the potpourri (2) being placed with ammonium chloride and calcium hydroxide, in a moment, ammonium chloride and calcium hydroxide effect produce ammonia and water vapor, enter in horminess glass tube (11) through soda-lime (6) dried ammonia, first logical ammonia a little while, then the second spirit lamp (14) is lighted to the cupric oxide heating in horminess glass tube (11), can see after a period of time that the black powder in horminess glass tube (11) becomes redness, white copper sulphate solid in second drying tube (17) becomes blue colored crystal.This sufficient proof ammonia has reductibility, and cupric oxide can be reduced to red copper in a heated condition, meanwhile, the water of generation and white copper sulphate react and generates blue copper sulfate crystal.After experiment, first extinguish the second spirit lamp (14), stop, to horminess glass tube (11) heating, continuing logical ammonia, after horminess glass tube (11) cooling, extinguish the first spirit lamp (1) again.Ammonia unnecessary in experimentation is absorbed by the watery hydrochloric acid in beaker, therefore, safety, environmental protection, pollution-free.The utility model has the advantages that: use the utility model to do experiment and can clearly observe black powder and become redness, sufficient proof ammonia has reductibility, can reduce environmental pollution again simultaneously; The utility model is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment
.
Claims (1)
1. one kind confirms that ammonia has the experimental provision of reductibility, be primarily characterized in that: it is by the first spirit lamp (1), the Boiling tube (3) of ammonium chloride and calcium hydroxide mixture (2) is housed, with first iron stand (4) of iron clamp, first rubber stopper (5), first drying tube (7) of soda-lime (6) is housed, second rubber stopper (8), first wireway (9), 3rd rubber stopper (10), the horminess glass tube (11) of cupric oxide (12) is housed, with second iron stand (13) of iron clamp, second spirit lamp (14), 4th rubber stopper (15), second drying tube (17) of white copper sulphate solid (16) is housed, 5th rubber stopper (18), second wireway (19), emulsion tube (20), funnel (21), beaker (22) composition of watery hydrochloric acid is housed, the Boiling tube (3) that ammonium chloride and calcium hydroxide (2) are housed is fixed on first iron stand (4) of band iron clamp, test tube mouth is towards right and slightly downward-sloping, that end first drying tube (7) mouth of pipe of soda-lime being housed less is inserted on the first rubber stopper (5), the first rubber stopper (5) jam-pack with the first drying tube (7) is equipped with Boiling tube (3) mouth of pipe of ammonium chloride and calcium hydroxide mixture (2), one end of first wireway (9) is inserted on the second rubber stopper (8), the other end is inserted on the 3rd rubber stopper (10), with the second rubber stopper (8) jam-pack first drying tube (7) the right-hand member mouth of pipe of the first wireway (9) and the 3rd rubber stopper (10), the horminess glass tube (11) that cupric oxide powder (12) are housed is horizontally fixed on second iron stand (13) of band iron clamp, with the 3rd rubber stopper (10) jam-pack horminess glass tube (11) the left end mouth of pipe of the first wireway (9), that end second drying tube (17) mouth of pipe of white copper sulphate solid (16) being housed less is inserted on the 4th rubber stopper (15), with the 4th rubber stopper (15) jam-pack horminess glass tube (11) the right-hand member mouth of pipe of the second drying tube (17), the 5th rubber stopper (18) jam-pack with the second wireway (19) is equipped with the second drying tube (17) the right-hand member mouth of pipe of white copper sulphate solid (16), emulsion tube (20) connects second wireway (19) of the 5th rubber stopper (18) outer end and the end of funnel (21), funnel (21) tips upside down in the beaker (22) that watery hydrochloric acid is housed, ammonium chloride in flame envelope aligning Boiling tube (3) of the first spirit lamp (1) and calcium hydroxide mixture (2) heating, the flame envelope of the second spirit lamp (14) aims at cupric oxide (12) heating in horminess glass tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768229.XU CN204990961U (en) | 2015-10-07 | 2015-10-07 | Experimental device for verify that ammonia has still originality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768229.XU CN204990961U (en) | 2015-10-07 | 2015-10-07 | Experimental device for verify that ammonia has still originality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204990961U true CN204990961U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520768229.XU Expired - Fee Related CN204990961U (en) | 2015-10-07 | 2015-10-07 | Experimental device for verify that ammonia has still originality |
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| Country | Link |
|---|---|
| CN (1) | CN204990961U (en) |
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2015
- 2015-10-07 CN CN201520768229.XU patent/CN204990961U/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: 20160120 Termination date: 20161007 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |