CN204990953U - Improved generation experimental apparatus of heating ammonium chloride - Google Patents
Improved generation experimental apparatus of heating ammonium chloride Download PDFInfo
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- CN204990953U CN204990953U CN201520681547.2U CN201520681547U CN204990953U CN 204990953 U CN204990953 U CN 204990953U CN 201520681547 U CN201520681547 U CN 201520681547U CN 204990953 U CN204990953 U CN 204990953U
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Abstract
(B, ) the utility model provides an improved generation experimental apparatus of heating ammonium chloride, its main characterized in that: the cotton baffle of iron stand platform, glass that it was pressed from both sides by alcohol burner, (b) (b) U (b) (b) the venturi tube that is equipped with the ammonium chloride solid, band iron, the cotton that the parcel has soda lime no. 1, parcel have cotton no. 2, rubber stopper, air duct, emulsion tube, the drying tube that is equipped with moist (b) (b) PH (b) (b) test paper, (b) (b) Y (b) (b) venturi tube, empty drying tube, the funnel of phosphoric pentoxide solid, the beaker that is equipped with water to constitute. There is the defect in the textbook experimental apparatus: the difficult separation of result that ammonium chloride decomposes can't be inspectd and generate ammonia and hydrogen chloride. The utility model discloses can overcome the defect of teaching material experimental apparatus, can separate the ammonium chloride solid and decompose two kinds of gases that produce, can be respectively to two kinds of gaseous NULL, direct observation has produced two kinds of gases to the ammonium chloride decomposition to can reduce environmental pollution. (B, )
Description
one, technical field
the utility model belongs to chemical field, relates to a kind of chemical experiment device, particularly for demonstrating the experiment of senior chemistry textbook heating ammonium chloride.
two, background technology
the senior chemistry 1(that Shandong science tech publishing house in July, 2014 publishes is required) experiment of the 78th page, textbook heating ammonium chloride, be demonstration like this in textbook: in a test tube, put appropriate chloride solid, with spirit lamp heating, observe phenomena.Experiment existing defects is done: ammonium chloride 1, can not be observed directly and decompose the two kinds of gases produced with the device in teaching material.2, cannot prove that ammonium chloride generates ammonia and hydrogen chloride gas in a heated condition.3, decompose the very fast chemical combination of two kinds of products produced, white cigarette is full of test tube to be difficult to be separated inspection.
three, utility model content
the utility model object is to provide a kind of modified experimental provision heating ammonium chloride.Use the utility model to do the experiment of heating ammonium chloride, can decompose the two kinds of gases produced by separating ammonium chloride, and can test to two kinds of gases respectively, therefore can observe directly ammonium chloride and decompose the two kinds of products produced, phenomenon is obvious.Device is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment, and can reduce environmental pollution.
the purpose of this utility model realizes by the following method:
heat a modified experimental provision for ammonium chloride, be primarily characterized in that: it is by spirit lamp (1), the U-shaped pipe (3) of chloride solid (2) is housed, the iron stand (4) of band iron clamp (9), first glass mat separator (5), second glass mat separator (6), be enclosed with the cotton one (7) of soda-lime, be enclosed with the cotton two (8) of phosphorus pentoxide solid, first rubber stopper (10), first wireway (11), first emulsion tube (12), first drying tube (13) of the first moistening PH test paper (14) is housed, second rubber stopper (15), second wireway (16), second emulsion tube (17), Y tube (18), 3rd emulsion tube (19), second drying tube (20), 3rd rubber stopper (21), 3rd wireway (22), 4th emulsion tube (23), funnel (24), the beaker (25) of water is housed, 5th emulsion tube (26), 4th wireway (27), 4th rubber stopper (28), 3rd drying tube (29) of the second moistening PH test paper (30) is housed, 6th emulsion tube (31), 5th wireway (32), 5th rubber stopper (33) composition.
the U-shaped pipe (3) that chloride solid (2) is housed is fixed on iron stand (4), in the left side pipe of U-shaped pipe (3), put the first glass mat separator (5) above chloride solid (2), the first glass mat separator (5) is upper places the cotton one (7) being enclosed with soda-lime; In the right side pipe of U-shaped pipe (3), put the second glass mat separator (6) above chloride solid (2), the second glass mat separator (6) is upper places the cotton two (8) being enclosed with phosphorus pentoxide solid.The mouth of pipe in the first rubber stopper (10) jam-pack U-shaped pipe (3) left side with the first wireway (11); The mouth of pipe on the 5th rubber stopper (33) jam-pack U-shaped pipe (3) right side with the 5th wireway (32).First emulsion tube (12) connects first wireway (11) of the first rubber stopper (10) outer end and that less end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14) is housed; 6th emulsion tube (31) connects the 5th wireway (32) of the 5th rubber stopper (33) outer end and that less end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30) is housed.The second rubber stopper (15) jam-pack with the second wireway (16) is equipped with that larger end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14); The 4th rubber stopper (28) jam-pack with the 4th wireway (27) is equipped with that larger end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30).Second emulsion tube (17) connects second wireway (16) of the second rubber stopper (15) outer end and an arm of Y tube (18); 5th emulsion tube (26) connects the 4th wireway (27) of the 4th rubber stopper (28) outer end and another arm of Y tube (18).3rd emulsion tube (19) connects house steward and less that end mouth of pipe of the second drying tube (20) of Y tube (18).With that end mouth of pipe that the 3rd rubber stopper (21) jam-pack second drying tube (20) of the 3rd wireway (22) is larger.4th emulsion tube (23) connects the 3rd wireway (22) of the 3rd rubber stopper (21) outer end and the lower end mouth of pipe of funnel (24).Funnel (24) tips upside down in the beaker (25) that water is housed.Spirit lamp (1) is placed on U-shaped pipe (3) below that chloride solid (2) is housed.
experimentation: connect instrument, the impermeability of testing fixture.Appropriate chloride solid (2) is put in U-shaped pipe (3), U-shaped pipe (3) iron clamp that chloride solid (2) is housed is fixed on iron stand (4), in the left side pipe of U-shaped pipe (3), put the first glass mat separator (5) above chloride solid (2), the first glass mat separator (5) is upper places the cotton one (7) being enclosed with soda-lime; In the right side pipe of U-shaped pipe (3), put the second glass mat separator (6) above chloride solid (2), the second glass mat separator (6) is upper places the cotton two (8) being enclosed with phosphorus pentoxide solid.The mouth of pipe in the first rubber stopper (10) jam-pack U-shaped pipe (3) left side with the first wireway (11); The mouth of pipe on the 5th rubber stopper (33) jam-pack U-shaped pipe (3) right side with the 5th wireway (32).Put in the first drying tube (13) by the first moistening PH test paper (14), the first emulsion tube (12) connects first wireway (11) of the first rubber stopper (10) outer end and that less end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14) is housed; Put into by second moistening PH test paper (30) in the 3rd drying tube (29), the 6th emulsion tube (31) connects the 5th wireway (32) of the 5th rubber stopper (33) outer end and that less end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30) is housed.The second rubber stopper (15) jam-pack with the second wireway (16) is equipped with that larger end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14); The 4th rubber stopper (28) jam-pack with the 4th wireway (27) is equipped with that larger end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30).Second wireway (16) of the second rubber stopper (15) outer end and an arm of Y tube (18) is connected with the second emulsion tube (17); The 4th wireway (27) of the 4th rubber stopper (28) outer end and another arm of Y tube (18) is connected with the 5th emulsion tube (26).3rd emulsion tube (19) connects house steward and less that end mouth of pipe of the second drying tube (20) of Y tube (18).With that end mouth of pipe that the 3rd rubber stopper (21) jam-pack second drying tube (20) of the 3rd wireway (22) is larger.4th emulsion tube (23) connects the 3rd wireway (22) of the 3rd rubber stopper (21) outer end and the lower end mouth of pipe of funnel (24).Funnel (24) tips upside down in the beaker (25) that water is housed.Spirit lamp (1) is placed on U-shaped pipe (3) below that chloride solid (2) is housed.During experiment, light spirit lamp (1), the flame envelope of spirit lamp (1) is first used to move around in the bottom of U-shaped pipe (3), after U-shaped pipe (3) is heated evenly, the flame envelope of spirit lamp is fixed on the bottom-heated of U-shaped pipe (3), ammonium chloride decomposes in a heated condition, the two kinds of gases generated are toward the both sides mouth of pipe diffusion of U-shaped pipe (3), when the two kinds of gases spread toward the pipe in left side by be positioned on the first glass mat separator (5) be enclosed with soda-lime cotton one (7) time, hydrogen chloride gas in mixed gas is by soda lime absorbent, therefore ammonia is only had from the first wireway (11) gas out, when ammonia by the first emulsion tube (12) enter the first drying tube (13) contact with the first moistening PH test paper (14) time, PH test paper becomes blue, this proves there is ammonia in the product of heating chloride solid, when turn right pipe diffusion two kinds of gases by be positioned on the second glass mat separator (6) be enclosed with phosphorus pentoxide solid cotton two (8) time, ammonia in mixed gas is by phosphorus pentoxide solid sorbent, therefore hydrogen chloride gas is only had from the 5th wireway (32) gas out, when hydrogen chloride gas by the 6th emulsion tube (31) enter PH test paper moistening with second in the 3rd drying tube (29) contact time, PH test paper reddens look, and this proves there is hydrogen chloride gas in the product of heating chloride solid.When ammonia and hydrogen chloride gas enter the second drying tube (20) by the house steward of Y tube (18), two kinds of gases react rapidly the white cigarette of generation and are full of the second drying tube (20), unnecessary gas or white cigarette to be entered in the funnel (24) of back-off by the 3rd wireway (22) and water-soluble, because this eliminating pollution.
the beneficial effects of the utility model are: 1, can observe directly ammonium chloride and decompose the two kinds of products produced.2, become blue by the first moistening PH test paper, the second moistening PH test paper look that reddens proves that ammonium chloride generates ammonia and hydrogen chloride gas in a heated condition.3, the utility model safety, environmental protection, pollution-free, is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment.
four, accompanying drawing explanation
fig. 1 is structural drawing of the present utility model.
mark in figure represents respectively:
TranNum < b = "78" > (1) the alcohol lamp (2) solid ammonium chloride (3) the U tube (4) the hob (5) the first glass cotton diaphragm (6) the second glass cotton partition (7) packages have soda-lime cotton (8) the package with phosphorus pentoxide solid cotton 2 (9) iron clamp the first rubber plug (10) (11) the first airway first latex tube (12) (13) the first drying tube (14) the first wet PH paper second rubber plug (15) (16) the second airway (17) the second latex tube (18) y-shaped pipe (19) the third latex (20) the second drying tube (21) the third rubber plug (22) third airway (23) and the fourth (24) latex tube funnel beaker containing water (25) (26) fifth latex tube (27) and the fourth airway (28) and the fourth rubber plug (29) the third drying tube (30) second wet PH paper (31) latex tube 6 (32) fifth airway (33) fifth rubber stopper < / b >
five, embodiment
below in conjunction with embodiment, the utility model is described in further detail:
heat a modified experimental provision for ammonium chloride, it is characterized in that: it is by spirit lamp (1), the U-shaped pipe (3) of chloride solid (2) is housed, the iron stand (4) of band iron clamp (9), first glass mat separator (5), second glass mat separator (6), be enclosed with the cotton one (7) of soda-lime, be enclosed with the cotton two (8) of phosphorus pentoxide solid, first rubber stopper (10), first wireway (11), first emulsion tube (12), first drying tube (13) of the first moistening PH test paper (14) is housed, second rubber stopper (15), second wireway (16), second emulsion tube (17), Y tube (18), 3rd emulsion tube (19), second drying tube (20), 3rd rubber stopper (21), 3rd wireway (22), 4th emulsion tube (23), funnel (24), the beaker (25) of water is housed, 5th emulsion tube (26), 4th wireway (27), 4th rubber stopper (28), 3rd drying tube (29) of the second moistening PH test paper (30) is housed, 6th emulsion tube (31), 5th wireway (32), 5th rubber stopper (33) composition.
the U-shaped pipe (3) that chloride solid (2) is housed is fixed on iron stand (4), in the left side pipe of U-shaped pipe (3), put the first glass mat separator (5) above chloride solid (2), the first glass mat separator (5) is put the cotton one (7) being enclosed with soda-lime; In the right side pipe of U-shaped pipe (3), put the second glass mat separator (6) above chloride solid (2), the second glass mat separator (6) is put the cotton two (8) being enclosed with phosphorus pentoxide solid.The mouth of pipe in the first rubber stopper (10) jam-pack U-shaped pipe (3) left side with the first wireway (11); The mouth of pipe on the 5th rubber stopper (33) jam-pack U-shaped pipe (3) right side with the 5th wireway (32).First emulsion tube (12) connects first wireway (11) of the first rubber stopper (10) outer end and that less end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14) is housed; 6th emulsion tube (31) connects the 5th wireway (32) of the 5th rubber stopper (33) outer end and that less end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30) is housed.The second rubber stopper (15) jam-pack with the second wireway (16) is equipped with that larger end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14); The 4th rubber stopper (28) jam-pack with the 4th wireway (27) is equipped with that larger end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30).Second emulsion tube (17) connects second wireway (16) of the second rubber stopper (15) outer end and an arm of Y tube (18); 5th emulsion tube (26) connects the 4th wireway (27) of the 4th rubber stopper (28) outer end and another arm of Y tube (18).3rd emulsion tube (19) connects house steward and less that end mouth of pipe of the second drying tube (20) of Y tube (18).With that end mouth of pipe that the 3rd rubber stopper (21) jam-pack second drying tube (20) of the 3rd wireway (22) is larger.4th emulsion tube (23) connects the 3rd wireway (22) of the 3rd rubber stopper (21) outer end and the lower end mouth of pipe of funnel (24).Funnel (24) tips upside down in the beaker (25) that water is housed.Spirit lamp (1) is placed on U-shaped pipe (3) below that chloride solid (2) is housed.
using method of the present utility model: connect instrument, the impermeability of testing fixture.Appropriate chloride solid (2) is put in U-shaped pipe (3), U-shaped pipe (3) iron clamp that chloride solid (2) is housed is fixed on iron stand (4), in the left side pipe of U-shaped pipe (3), put the first glass mat separator (5) above chloride solid (2), the first glass mat separator (5) is put the cotton one (7) being enclosed with soda-lime; In the right side pipe of U-shaped pipe (3), put the second glass mat separator (6) above chloride solid (2), the second glass mat separator (6) is put the cotton two (8) being enclosed with phosphorus pentoxide solid.The mouth of pipe in the first rubber stopper (10) jam-pack U-shaped pipe (3) left side with the first wireway (11); The mouth of pipe on the 5th rubber stopper (33) jam-pack U-shaped pipe (3) right side with the 5th wireway (32).Put in the first drying tube (13) by the first moistening PH test paper (14), the first emulsion tube (12) connects first wireway (11) of the first rubber stopper (10) outer end and that less end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14) is housed; Put into by second moistening PH test paper (30) in the 3rd drying tube (29), the 6th emulsion tube (31) connects the 5th wireway (32) of the 5th rubber stopper (33) outer end and that less end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30) is housed.The second rubber stopper (15) jam-pack with the second wireway (16) is equipped with that larger end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14); The 4th rubber stopper (28) jam-pack with the 4th wireway (27) is equipped with that larger end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30).Second wireway (16) of the second rubber stopper (15) outer end and an arm of Y tube (18) is connected with the second emulsion tube (17); The 4th wireway (27) of the 4th rubber stopper (28) outer end and another arm of Y tube (18) is connected with the 5th emulsion tube (26).3rd emulsion tube (19) connects house steward and less that end mouth of pipe of the second drying tube (20) of Y tube (18).With that end mouth of pipe that the 3rd rubber stopper (21) jam-pack second drying tube (20) of the 3rd wireway (22) is larger.4th emulsion tube (23) connects the 3rd wireway (22) of the 3rd rubber stopper (21) outer end and the lower end mouth of pipe of funnel (24).Funnel (24) tips upside down in the beaker (25) that water is housed.Spirit lamp (1) is placed on U-shaped pipe (3) below that chloride solid (2) is housed.During experiment, light spirit lamp (1), the flame envelope of spirit lamp (1) is first used to move around in the bottom of U-shaped pipe (3), after being heated evenly, the flame envelope of spirit lamp is fixed on the bottom-heated of U-shaped pipe (3), ammonium chloride decomposes in a heated condition very soon, the two kinds of gases generated are toward the both sides mouth of pipe diffusion of U-shaped pipe (3), when the two kinds of gases spread toward the pipe in left side by be positioned on the first glass mat separator (5) be enclosed with soda-lime cotton one (7) time, hydrogen chloride gas in mixed gas is by soda lime absorbent, therefore ammonia is only had from the first wireway (11) gas out, when ammonia by the first emulsion tube (12) enter the first drying tube (13) contact with the first moistening PH test paper (14) time, PH test paper becomes blue, this proves there is ammonia in the product of heating chloride solid, when turn right pipe diffusion two kinds of gases by be positioned on the second glass mat separator (6) be enclosed with phosphorus pentoxide solid cotton two (8) time, ammonia in mixed gas is by phosphorus pentoxide solid sorbent, therefore hydrogen chloride gas is only had from the 5th wireway (32) gas out, when hydrogen chloride gas by the 6th emulsion tube (31) enter PH test paper moistening with second in the 3rd drying tube (29) contact time, PH test paper reddens look, and this proves there is hydrogen chloride gas in the product of heating chloride solid.When ammonia and hydrogen chloride gas enter the second drying tube (20) by the house steward of Y tube (18), two kinds of gases react rapidly the white cigarette of generation and are full of the second drying tube (20), unnecessary gas or white cigarette to be entered in the funnel (24) of back-off by the 3rd wireway (22) and water-soluble, because this eliminating pollution.The utility model has the advantages that: ammonium chloride can be observed directly and decompose the two kinds of products produced; Become blue by the first moistening PH test paper, the second moistening PH test paper look that reddens proves that ammonium chloride generates ammonia and hydrogen chloride gas in a heated condition; The utility model safety, environmental protection, pollution-free, be not only applicable to classroom does lecture experiment, be also applicable to student and do grouping experiment.
Claims (1)
1. heat a modified experimental provision for ammonium chloride, be primarily characterized in that: it is by spirit lamp (1), the U-shaped pipe (3) of chloride solid (2) is housed, the iron stand (4) of band iron clamp (9), first glass mat separator (5), second glass mat separator (6), be enclosed with the cotton one (7) of soda-lime, be enclosed with the cotton two (8) of phosphorus pentoxide solid, first rubber stopper (10), first wireway (11), first emulsion tube (12), first drying tube (13) of the first moistening PH test paper (14) is housed, second rubber stopper (15), second wireway (16), second emulsion tube (17), Y tube (18), 3rd emulsion tube (19), second drying tube (20), 3rd rubber stopper (21), 3rd wireway (22), 4th emulsion tube (23), funnel (24), the beaker (25) of water is housed, 5th emulsion tube (26), 4th wireway (27), 4th rubber stopper (28), 3rd drying tube (29) of the second moistening PH test paper (30) is housed, 6th emulsion tube (31), 5th wireway (32), 5th rubber stopper (33) composition, the U-shaped pipe (3) that chloride solid (2) is housed is fixed on iron stand (4), the first glass mat separator (5) is put above chloride solid (2) in the pipe in U-shaped pipe (3) left side, first glass mat separator (5) is upper places the cotton one (7) being enclosed with soda-lime, the second glass mat separator (6) is put above chloride solid (2) in the pipe on U-shaped pipe (3) right side, second glass mat separator (6) is put the cotton two (8) being enclosed with phosphorus pentoxide solid, the mouth of pipe in the first rubber stopper (10) jam-pack U-shaped pipe (3) left side with the first wireway (11), the mouth of pipe on the 5th rubber stopper (33) jam-pack U-shaped pipe (3) right side with the 5th wireway (32), first emulsion tube (12) connects first wireway (11) of the first rubber stopper (10) outer end and that less end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14) is housed, 6th emulsion tube (31) connects the 5th wireway (32) of the 5th rubber stopper (33) outer end and that less end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30) is housed, the second rubber stopper (15) jam-pack with the second wireway (16) is equipped with that larger end mouth of pipe of first drying tube (13) of the first moistening PH test paper (14), the 4th rubber stopper (28) jam-pack with the 4th wireway (27) is equipped with that larger end mouth of pipe of the 3rd drying tube (29) of the second moistening PH test paper (30), second emulsion tube (17) connects second wireway (16) of the second rubber stopper (15) outer end and an arm of Y tube (18), 5th emulsion tube (26) connects the 4th wireway (27) of the 4th rubber stopper (28) outer end and another arm of Y tube (18), 3rd emulsion tube (19) connects house steward and less that end mouth of pipe of the second drying tube (20) of Y tube (18), with that end mouth of pipe that the 3rd rubber stopper (21) jam-pack second drying tube (20) of the 3rd wireway (22) is larger, 4th emulsion tube (23) connects the 3rd wireway (22) of the 3rd rubber stopper (21) outer end and the lower end mouth of pipe of funnel (24), funnel (24) tips upside down in the beaker (25) that water is housed, spirit lamp (1) flame envelope aims at U-shaped pipe (3) bottom-heated that chloride solid (2) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681547.2U CN204990953U (en) | 2015-09-06 | 2015-09-06 | Improved generation experimental apparatus of heating ammonium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681547.2U CN204990953U (en) | 2015-09-06 | 2015-09-06 | Improved generation experimental apparatus of heating ammonium chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204990953U true CN204990953U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520681547.2U Expired - Fee Related CN204990953U (en) | 2015-09-06 | 2015-09-06 | Improved generation experimental apparatus of heating ammonium chloride |
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| Country | Link |
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| CN (1) | CN204990953U (en) |
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2015
- 2015-09-06 CN CN201520681547.2U patent/CN204990953U/en not_active Expired - Fee Related
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| 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: 20160906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |