CN203882516U - Environment-friendly test device for heating ammonium bicarbonate and checking product thereof - Google Patents
Environment-friendly test device for heating ammonium bicarbonate and checking product thereof Download PDFInfo
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- CN203882516U CN203882516U CN201420272151.8U CN201420272151U CN203882516U CN 203882516 U CN203882516 U CN 203882516U CN 201420272151 U CN201420272151 U CN 201420272151U CN 203882516 U CN203882516 U CN 203882516U
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- ammonium bicarbonate
- rubber stopper
- rubber plug
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- groove
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Abstract
The utility model provides an environment-friendly test device for heating ammonium bicarbonate and checking a product thereof. The device is characterized in that the device is composed of an alcohol burner (1), an iron rack (2) with an iron clamp, an improved large test tube (3), a rubber plug (4) with an open transparent container, a rubber plug (5) with a small iron clamp, a rubber plug (6) with a guiding pipe, and a beaker (7) in which clear limewater is filled. A groove is arranged next to the bottom of the large test tube (3) and is used for placing the ammonium bicarbonate. The rubber plug (4) and the rubber plug (5) are respectively arranged at the holes which are respectively separated from the bottom of the large test tube (3) for one third length and one half length at the opposite side of the groove. The inner end of the rubber plug (4) is connected with open transparent container in which white copper sulphate (9) is arranged. The inner end of the rubber plug (5) is connected with a small iron clamp which tightly clamps a piece of wetted red litmus paper (10). The environment-friendly test device provided by the utility model is suitable for a teacher in performing a demonstrative test and is also suitable for students in performing grouped test. The environment-friendly test device has an environment-friendly performance and can test the product of the ammonium bicarbonate after heating decomposition.
Description
one, technical field
the utility model belongs to chemical field, relates to a kind of chemical experiment device, and concrete is the experiment for demonstrating the heating ammonium bicarbonate on junior middle school chemistry textbook.
two, background technology
the 3rd page of experiment to ammonium bicarbonate heating of ninth grade chemistry textbook that Shanghai education publishing house publishes in January, 2012 is to demonstrate like this in textbook: in evaporating dish, put a small amount of ammonium bicarbonate, evaporating dish is placed on spirit lamp and is heated.Do experiment with such device and have several shortcomings: 1, after heating, produce water vapor, ammonia and three kinds of gases of carbon dioxide, wherein ammonia meeting contaminated air, damage experiment person and around student, therefore can not extensively be extended to student experiment in group.2, three kinds of materials that generate cannot all be checked out, lack cogency.I utilize the time after school through inspection information, online inquiry, the textbook, the reference book that also find that there is are demonstrated like this: amount of ammonium bicarbonate is put into Boiling tube, clog test tube mouth with the single hole rubber stopper of carrying pipe, test tube is fixed on iron stand, conduit is stretched in the beaker that clarification lime water is housed, heat with spirit lamp.Test and have equally weak point with this device, cannot check out the generation of ammonia, again because test tube mouth outline is downward-sloping, the gas producing in heating process also can rush takes ammonium bicarbonate solid out of, the carrying out of impact experiment.
three, utility model content
the utility model object is to provide a kind of environment-friendly type experimental provision that heats ammonium bicarbonate and check its product.Make device not be only applicable to teacher's lecture experiment, and applicable student does grouping experiment, reduce environmental pollution, can check out again the product after ammonium bicarbonate decomposes.
the purpose of this utility model realizes by the following method:
heating ammonium bicarbonate and check the environment-friendly type experimental provision of its product, is primarily characterized in that: it is made up of the rubber stopper (6) of spirit lamp (1), the iron stand (2) with iron clamp, improved Boiling tube (3), the rubber stopper (4) with opening transparent vessel, the rubber stopper (5) with little iron clamp, carrying pipe, the beaker (7) that fills clarification lime water.
having a groove near improved Boiling tube (3) bottom, ammonium bicarbonate solid is placed on groove.There is a hole at groove offside from Boiling tube (3) ends 1/3rd place, rubber stopper on this stopple (4), rubber stopper (4) inner end is connected with opening transparent vessel, and white copper sulphate solid (9) is housed in container; There is a hole at groove offside from Boiling tube (3) ends 1/2nd place, rubber stopper on this stopple (5), rubber stopper (5) inner end is connected with little iron clamp, and little iron clamp clamps moistening litmus red test paper (10).Test tube mouth is plugged with the rubber stopper (6) of carrying pipe.Be clipped in improved Boiling tube (3) middle and upper part with iron clamp, then it be fixed on to iron stand (2) upper, a side of groove below, have a side of two apertures up, test tube mouth a little less than test tube at the bottom of, conduit stretches in the beaker (7) that fills clarification lime water.
experimentation: the impermeability of first testing fixture, after appropriate ammonium bicarbonate solid is placed on to the inner groove of improved Boiling tube (3).A small amount of white copper sulphate solid is packed in opening transparent vessel, transparent vessel is fixed on to rubber stopper (4) inner end, then rubber stopper (4) is filled on the aperture from improved Boiling tube (3) ends 1/3rd place; Clamp moistening litmus red test paper with little iron clamp, little iron clamp is fixed on to rubber stopper (5) inner end, rubber stopper (5) is filled on the aperture from improved Boiling tube (3) ends 1/2nd place.Test tube mouth is the rubber stopper of carrying pipe (6) beyond the Great Wall, be clipped in the middle and upper part of improved Boiling tube (3) with iron clamp, improved Boiling tube (3) is fixed on iron stand, one side of groove below, have a side of two apertures up, test tube mouth a little less than test tube at the bottom of, conduit stretch into fill clarification lime water beaker (7) in, with spirit lamp flame envelope near the preheating of Boiling tube (3) end groove, after spirit lamp flame envelope is fixed on to the position heating of ammonium bicarbonate.At this moment can see, ammonium bicarbonate solid constantly reduces, white copper sulphate solid becomes gradually blue, moistening litmus red test paper change lime water blue, clarification and becomes muddy.These phenomenons have generated ammonia, water and carbon dioxide while proving the heating of ammonium bicarbonate solid.
the beneficial effects of the utility model are: with the experiment of the utility model demonstration heating ammonium bicarbonate solid, because ammonium bicarbonate solid is placed on groove, so ammonium bicarbonate solid is difficult for being moved while heating.Again because the ammonia generating is difficult for being diffused in air, so reduced environmental pollution.In experimentation, moistening litmus red test paper runs into ammonium bicarbonate and adds the ammonia change blueness that thermal decomposition produces, white copper sulphate solid runs into ammonium bicarbonate and adds the water vapor that thermal decomposition produces and become blue copper sulfate crystal, the lime water of clarification runs into ammonium bicarbonate and decomposes the carbon dioxide change muddiness producing, thereby checks out ammonium bicarbonate solid in the time of heating, to generate ammonia, water and carbon dioxide.The utility model highly versatile, had both been suitable for teacher and had done lecture experiment, was suitable for again student and did grouping experiment.
four, brief description of the drawings
fig. 1 is structural drawing of the present utility model.
mark in figure represents respectively:
1. spirit lamp 2. the iron stand with iron clamp 3. improved Boiling tube 4. the rubber stopper with opening transparent vessel 5. the rubber stopper with little iron clamp 6. the rubber stopper of carrying pipe 7. fill 9. 10. moistening litmus red test paper of white copper sulphate solid of ammonium bicarbonate solid that 8. beaker of clarification lime water be placed on improved Boiling tube groove
five, embodiment
below in conjunction with embodiment, the utility model is described in further detail:
heating ammonium bicarbonate and check the environment-friendly type experimental provision of its product, is characterized in that: it is made up of the rubber stopper (6) of spirit lamp (1), the iron stand (2) with iron clamp, improved Boiling tube (3), the rubber stopper (4) with opening transparent vessel, the rubber stopper (5) with little iron clamp, carrying pipe, the beaker (7) that fills clarification lime water.
while improving Boiling tube, near Boiling tube bottom high-temperature heating, after the position deliquescing of high-temperature heating, blow inward from test tube mouth, the sagging formation groove in deliquescing position.This groove is used for placing ammonium bicarbonate solid, because ammonium bicarbonate solid is placed on groove, so ammonium bicarbonate solid is difficult for being moved in the time of heating.Bore a hole at groove offside from Boiling tube (3) ends 1/3rd place, rubber stopper on this stopple (4), rubber stopper (4) inner end is connected with opening transparent vessel, and white copper sulphate solid (9) is housed in container; At groove offside Boiling tube (3) ends 1/2nd, a hole is bored at place, rubber stopper on this stopple (5), and rubber stopper (5) inner end is connected with little iron clamp, and little iron clamp clamps moistening litmus red test paper (10).Test tube mouth is plugged with the rubber stopper (6) of carrying pipe, and conduit stretches in the beaker (7) that fills clarification lime water.
using method of the present utility model: first connect instrument, the impermeability of testing fixture, after appropriate ammonium bicarbonate solid is placed on to the inner groove of improved Boiling tube (3).A small amount of white copper sulphate solid is packed into opening transparent vessel, transparent vessel is fixed on to rubber stopper (4) inner end, then rubber stopper (4) is filled on the aperture from improved test tube (3) ends 1/3rd place; Clamp moistening litmus red test paper (10) with little iron clamp, little iron clamp is fixed on to rubber stopper (5) inner end, rubber stopper (5) is filled on the aperture from improved Boiling tube (3) ends 1/2nd place.Test tube mouth is the rubber stopper of carrying pipe (6) beyond the Great Wall.Be clipped in the middle and upper part of improved Boiling tube (3) with iron clamp, Boiling tube (3) is fixed on iron stand, a side of groove below, have a side of two apertures up, test tube mouth a little less than test tube at the bottom of, conduit stretch into fill clarification lime water beaker (7) in.First use spirit lamp flame envelope carrying out preheating near Boiling tube (3) end groove, after spirit lamp flame envelope is fixed on to the position heating of ammonium bicarbonate solid.At this moment can see, ammonium bicarbonate solid constantly reduces, white copper sulphate solid runs into ammonium bicarbonate and adds the water vapor that thermal decomposition produces and become blue copper sulfate crystal, moistening litmus red test paper runs into ammonium bicarbonate and adds the ammonia change blueness that thermal decomposition produces, the lime water of clarification runs into ammonium bicarbonate and adds the carbon dioxide change muddiness that thermal decomposition produces, thereby while checking out the heating of ammonium bicarbonate solid, has generated ammonia, water and carbon dioxide.In experimentation, because ammonium bicarbonate solid is placed on groove, therefore solid is difficult for being moved.Again because the ammonia producing is difficult for being diffused in air, so reduced environmental pollution.
the utility model can be reused, applied widely, is not only suitable for teacher and does lecture experiment, is also suitable for student and does grouping experiment.
Claims (1)
1. heating ammonium bicarbonate and check the environment-friendly type experimental provision of its product, is characterized in that: it is made up of the rubber stopper (6) of spirit lamp (1), the iron stand (2) with iron clamp, improved Boiling tube (3), the rubber stopper (4) with opening transparent vessel, the rubber stopper (5) with little iron clamp, carrying pipe, the beaker (7) that fills clarification lime water; There iing a groove near improved Boiling tube (3) bottom, this groove is placed ammonium bicarbonate solid (8), there is a hole at groove offside from improved Boiling tube (3) ends 1/3rd place, rubber stopper on this stopple (4), rubber stopper (4) inner end is connected with opening transparent vessel, white copper sulphate solid (9) is housed in container, there is a hole at groove offside from improved Boiling tube (3) ends 1/2nd place, rubber stopper on this stopple (5), rubber stopper (5) inner end is connected with little iron clamp, and little iron clamp clamps moistening litmus red test paper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272151.8U CN203882516U (en) | 2014-05-27 | 2014-05-27 | Environment-friendly test device for heating ammonium bicarbonate and checking product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272151.8U CN203882516U (en) | 2014-05-27 | 2014-05-27 | Environment-friendly test device for heating ammonium bicarbonate and checking product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882516U true CN203882516U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420272151.8U Expired - Fee Related CN203882516U (en) | 2014-05-27 | 2014-05-27 | Environment-friendly test device for heating ammonium bicarbonate and checking product thereof |
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| Country | Link |
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| CN (1) | CN203882516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104525075A (en) * | 2014-12-31 | 2015-04-22 | 周维保 | Device for reduction of copper oxide by hydrogen |
| CN105139737A (en) * | 2014-05-27 | 2015-12-09 | 林师龙 | Environment-friendly experimental device for heating ammonium bicarbonate and testing product of ammonium bicarbonate |
-
2014
- 2014-05-27 CN CN201420272151.8U patent/CN203882516U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139737A (en) * | 2014-05-27 | 2015-12-09 | 林师龙 | Environment-friendly experimental device for heating ammonium bicarbonate and testing product of ammonium bicarbonate |
| CN104525075A (en) * | 2014-12-31 | 2015-04-22 | 周维保 | Device for reduction of copper oxide by hydrogen |
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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: 20150527 |
|
| EXPY | Termination of patent right or utility model |