CN107103827A - A kind of experimental provision of chemical reaction gas - Google Patents
A kind of experimental provision of chemical reaction gas Download PDFInfo
- Publication number
- CN107103827A CN107103827A CN201710542843.8A CN201710542843A CN107103827A CN 107103827 A CN107103827 A CN 107103827A CN 201710542843 A CN201710542843 A CN 201710542843A CN 107103827 A CN107103827 A CN 107103827A
- Authority
- CN
- China
- Prior art keywords
- container
- experimental provision
- wire
- chemical reaction
- connecting tube
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J7/00—Apparatus for generating gases
- B01J7/02—Apparatus for generating gases by wet methods
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
Abstract
The present invention relates to a kind of experimental provision of chemical reaction gas, including the gentle experience card device of gas generating unit, the gas generating unit includes the first container, first container upper end mouthful is provided with the first sealing-plug, first sealing-plug is fitted with the first connecting tube, and the first connecting tube is connected with clear, colorless balloon；The gas checking device includes the 3rd container, and the 3rd container upper end mouthful is provided with the 3rd sealing-plug, and the 3rd sealing-plug is fitted with the 3rd connecting tube；The clear, colorless balloon connects the 3rd connecting tube.A kind of experimental provision of chemical reaction gas of the present invention, so that student becomes apparent from intuitively observing metal and dense, dilute nitric acid reaction process and reactant, and reactant can be focused in clear, colorless balloon, can be more clearly it was observed that colourless nitric oxide and the nitrogen dioxide of rufous, be difficult to obscure both reactants.
Description
Technical field
The present invention relates to a kind of experimental provision, especially a kind of experimental provision of chemical reaction gas belongs to chemical test
Technical field.
Background technology
In middle school chemistry reaction test, the Demonstrator Trials vision that dense, dust technology reacts with copper respectively is undesirable, and two anti-
The product answered is respectively rufous nitrogen dioxide gas and colourless nitric oxide gas.But two reactions are all in traditional experiment
The gas of rufous occurs, this directly affects student's perceptual knowledge so that student is also easy to produce misunderstanding, and " concentrated nitric acid is had often
With copper reaction generation nitrogen dioxide gas, or dust technology and copper reaction generation nitrogen dioxide gas " it is such the problem of produce.And
In fact, should be that dust technology reacts the colourless nitric oxide gas of generation with copper, concentrated nitric acid reacts the two of generation rufous with copper
Nitrogen oxide gas, colourless nitric oxide, the nitrogen dioxide of rufous are made a clear distinction between good and evil, and traditional test operation has disadvantage on textbook
End, it is the air in reactor, institute to cause dust technology to react the colourless coloured arch-criminal of nitric oxide gas of generation with copper
Nitrogen dioxide gas can be quickly become with the nitric oxide gas generated after low-grade fever, experimental observation effect is disturbed, this direct shadow
Student's perceptual knowledge is rung, does not reach the Expected Results of teaching.In addition, nitrogen dioxide gas and one that chemical reaction is released are aoxidized
Nitrogen environmental pollution is serious, and reaction can not be controlled, meanwhile, during demonstration, in test tube, 31 mouthfuls are difficult to observe
Rufous gas, in order to more directly perceived, student's perceptual knowledge is not influenceed it is necessary to use substantial amounts of chemical reagent, and is thus made
It is seriously polluted into waste, it is unfavorable for forming environmental consciousness, is tested for a long time, operator is likely to respiratory tract infection occur
Etc. illness, influence is physically and mentally healthy.
Patent No. CN201620227003 patent discloses a kind of dense, dust technology and the contrast experiment of copper reaction fills
Put, solve the shortcoming that existing experimental provision is present, but it is there is also in place of some shortcomings, not by oxygen in experimental provision
Or air is drained, the nitric oxide gas of generation can quickly become nitrogen dioxide gas, disturb Germicidal efficacy effect, can not
Ensure that concentrated nitric acid only generates nitrogen dioxide with copper reaction, dust technology only generates nitric oxide with copper reaction, and the experiment degree of accuracy is not high,
The difference of both reactions and reactant physicochemical property can not be more intuitively distinguished, metallic copper is only limitted in the experiment, without it
His metal, it is impossible to so that student understands and grasp other metals and dilute, concentrated nitric acid and reacted which kind of angry gas.
The content of the invention
The present invention is exactly in view of the deficienciess of the prior art, provide a kind of experimental provision of chemical reaction gas.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of experimental provision of chemical reaction gas, including the gentle experience card device of gas generating unit；
The gas generating unit includes the first container, and first container upper end mouthful is provided with the first sealing-plug, described first
Sealing-plug is fitted with the first connecting tube and the first bar, and the lower end of first bar is inserted in the first container, and described first connects
One end of adapter stretches into the first container upper end mouthful, the other end and is connected with clear, colorless balloon, first connecting tube and transparent nothing
The first iron clamp of control gas circulation is provided between color balloon, the bottom of first bar is fixed with the first wire；
The gas checking device includes the 3rd container, and the 3rd container upper end mouthful is provided with the 3rd sealing-plug, the described 3rd
Sealing-plug is fitted with the 3rd connecting tube and test tube, and the 3rd connecting tube connects propelling container, and the 3rd connecting tube is with promoting
The 3rd iron clamp of control gas circulation is provided between container；
The clear, colorless balloon connection gas verifies the 3rd connecting tube of device, the clear, colorless balloon and the 3rd connecting tube
Between be provided with control gas circulation the 4th iron clamp.
As the improvement of above-mentioned technical proposal, the experimental provision also includes pretreatment unit, the pretreatment unit bag
Second container is included, the second container upper port is provided with the second sealing-plug, and the second sealing-plug is fitted with the second connecting tube and
Two bars, the bottom of second bar, which is fixed with the second wire, second connecting tube, is provided with control gas stream
The second logical iron clamp；The first sealing-plug in the second connecting tube connection gas generating unit.
As the improvement of above-mentioned technical proposal, first wire is to be contained in torpescence wire, first container
Equipped with dilute nitric acid solution, the first alcolhol burner is provided with below first container.
As the improvement of above-mentioned technical proposal, first wire is copper wire.
As the improvement of above-mentioned technical proposal, first wire is to be contained in active metal silk, first container
There is dilute nitric acid solution.
As the improvement of above-mentioned technical proposal, first wire is iron wire.
As the improvement of above-mentioned technical proposal, first wire is to be contained in torpescence wire, first container
Equipped with concentrated nitric acid solution.
As the improvement of above-mentioned technical proposal, first wire is copper wire.
As the improvement of above-mentioned technical proposal, first wire is to be contained in active metal silk, first container
Have and be provided with the second alcolhol burner below concentrated nitric acid solution, first container.
As the improvement of above-mentioned technical proposal, first wire is iron wire.
As the improvement of above-mentioned technical proposal, the 3rd container is elastic container.
As the improvement of above-mentioned technical proposal, copper-bath is loaded with the 3rd container.
As the improvement of above-mentioned technical proposal, the 3rd connecting tube is T-shaped connecting tube.
As the improvement of above-mentioned technical proposal, the test tube is L-shaped through hole shape, and test tube two ends are placed with the de- of moistening respectively
Fat cotton and activated carbon.
As the improvement of above-mentioned technical proposal, be provided with oscillator below the 3rd container.
Compared with prior art, implementation result of the invention is as follows by the present invention：
A kind of experimental provision of chemical reaction gas of the present invention so that student become apparent from intuitively observing metal with it is dense,
Dilute nitric acid reaction process and reactant, and reactant can be focused in clear, colorless balloon, can more clearly be observed
Colourless nitric oxide and the nitrogen dioxide of rufous, are difficult to obscure both reactants.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the experimental provision of chemical reaction gas of the invention；
Fig. 2 is the structure chart of nitric oxide experimentation in experimental provision of the present invention；
Fig. 3 is the structure chart of nitrogen dioxide experimentation in experimental provision of the present invention；
Fig. 4 is the chemical reaction experimental provision structure chart of the embodiment of the present invention one；
Fig. 5 is the chemical reaction experimental provision structure chart of the embodiment of the present invention two；
Fig. 6 is the chemical reaction experimental provision structure chart of the embodiment of the present invention three；
Fig. 7 is the chemical reaction experimental provision structure chart of the embodiment of the present invention four.
Embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
As shown in figure 1, be a kind of structural representation of the experimental provision of chemical reaction gas of the present invention, including pre- place
Device, the gentle experience card device of gas generating unit are managed, the pretreatment unit includes second container 20, the second container 20
Upper port the second sealing-plug 25 is installed, the second sealing-plug 25 is fitted with the second bar 21 and the second connecting tube 22, the second rod
The bottom of bar 21 is fixed with the second iron clamp 23 that control gas circulation is provided with the second wire 24, the second connecting tube 22；
The gas generating unit includes the first container 10, and the upper port of first container 10 is provided with the first sealing-plug 16, first
Sealing-plug 16 is fitted with the first bar 11 and the first connecting tube 12, and the lower end of the first bar 11 is inserted in the first container 10, and first
One end of connecting tube 12 stretches into the upper port of the first container 10, the other end and is connected with clear, colorless balloon 15, the first connecting tube 12 with
The first iron clamp 13 of control gas circulation is provided between clear, colorless balloon 15, the bottom of the first bar 11 is fixed with first
Wire 14；The gas checking device includes the 3rd container 30, and the upper port of the 3rd container 30 is provided with the 3rd sealing
Plug 36, the 3rd sealing-plug 36 is fitted with the 3rd connecting tube 32 and test tube 31, the 3rd connecting tube 32 connection propelling container 35, the 3rd company
The 3rd iron clamp 33 of control gas circulation is provided between adapter 32 and propelling container 35；Second connecting tube 22 connects gas
The first sealing-plug 16 in generating means, the connection of clear, colorless balloon 15 gas verifies the 3rd connecting tube 32 of device, institute
State the 4th iron clamp 34 that control gas circulation is provided between the connecting tube 32 of clear, colorless balloon 15 and the 3rd.
The upper port of first container 10 is provided with the first sealing-plug 16, is easy to pick and place the liquid in container, and cleaning
Container.
The upper port of the second container 20 is provided with the second sealing-plug 25, is easy to pick and place the liquid in container, and cleaning
Container.
The upper port of 3rd container 30 is provided with the 3rd sealing-plug 36, is easy to pick and place the liquid in container, and cleaning
Container.
3rd container 30 is elastic container, and extrusion process can be carried out to it, and gas can also be answered after entering its inside
The observation of original, more conducively intuitive.
Copper-bath 301 is loaded with 3rd container 30, for observing and being reacted generation beneficial to checking
Gas, strengthen to the understanding of reactant property, it is easy to which student understands and masters main points.
3rd connecting tube 32 is T-shaped connecting tube, shortens oxygen walking path, accelerates the reaction time.
The test tube 31 is L-shaped through hole shape, and the gas such as hydrogen, oxygen can discharge container, and oxygen will not enter, test tube
31 two ends are placed with the absorbent cotton 311 and activated carbon 312 of moistening respectively, for detecting and adsorbing nitrogen dioxide, it is to avoid enter outer
Boundary, causes environmental pollution, absorbent cotton is white, beneficial to observation, and activated carbon 312 is used to adsorb, and is mainly used in absorption test tube 31
A small amount of pernicious gas, prevent pollution from environment and being damaged to experimenter.
The lower section of 3rd container 30 is provided with oscillator 37, is easy to observing response phenomenon, understands course of reaction, student
Being capable of more visual understanding, and reinforcing is to the understanding of reactant property.
Oxygen is full of in propelling container 35, for confirmatory experiment, oxygen reacted with nitric oxide gas generate it is reddish brown
The nitrogen dioxide of color, and oxygen does not react with nitrogen dioxide, is easy to observing response phenomenon and course of reaction, student can be more
Plus visual understanding, and reinforcing is to the understanding of reactant property.
Dilute hydrochloric acid solution or dilution heat of sulfuric acid are loaded with the second container 20, the bottom of the second bar 21 is fixed with
Second wire 24, the second wire 24 be active metal silk, such as iron, aluminium, ensure that iron, aluminium etc., these are molten with watery hydrochloric acid
Liquid or dilution heat of sulfuric acid reaction only generate corresponding metal salt solution and hydrogen, and course of reaction is more gentle, is less prone to
Unexpected, the second wire 24 is torpescence wire, and such as copper, copper only generates phase with dilute hydrochloric acid solution or dilution heat of sulfuric acid reaction
Corresponding metal salt solution and hydrogen, and course of reaction is more gentle, is less prone to accident, above experiment reagent is more commonly used,
Easily purchase, price is low.
【Embodiment one】, as shown in figure 4, first wire 14 is torpescence wire, such as copper wire 141, first
Dilute nitric acid solution 101 is loaded with container 10, the gas generating unit also includes alcolhol burner, and the first alcolhol burner 102 is located at
The lower section of first container 10, for heating, because reaction rate is too low and needs heating, to accelerate to react, copper and dilute nitre
Acid chemical equation be：3Cu+8HNO3≜ 3Cu(NO3)2+2NO↑+4H2Understood in O, above chemical equation,
Copper generates nitric oxide with dust technology heating response.
【Embodiment two】, as shown in figure 5, first wire 14 is active metal silk, and such as iron wire 142, first holds
Dilute nitric acid solution 101 is loaded with device 10, need not be heated during reaction, you can chemically react, iron and excessive dust technology
Chemical equation be：Fe+4 HNO3=Fe(No3)3+ NO↑+2H2O, excessive iron and the chemical reaction equation of dust technology
Formula is：3Fe+8HNO3=3Fe(No3)2+2 NO↑+4 H2Understood in O, above chemical equation, iron is given birth to dilute nitric acid reaction
Into nitric oxide, and the course of reaction need not be heated, and the nitric oxide of generation is unrelated with the number of iron, the number with dust technology
Also it is unrelated.
【Embodiment three】, as shown in fig. 6, first wire 14 is torpescence wire, such as copper wire 141, first
Concentrated nitric acid solution 103 is loaded with container 10, need not be heated during reaction, you can chemically react, the change of copper and concentrated nitric acid
Learning reaction equation is：Cu+4HNO3==Cu(NO3)2+2NO2↑+2H2Understood in O, above chemical equation, copper and dense nitre
Sour heating response generates nitrogen dioxide.
【Example IV】, as shown in fig. 7, first wire 14 is active metal silk, and such as iron wire 142, first holds
Concentrated nitric acid solution 103 is loaded with device 10, heating is needed during reaction, the lower section of the first container 10 is provided with the second alcolhol burner 104,
Active metal, such as iron can be passivated in concentrated nitric acid, generate one layer of densification and firm sull, so that in preventing
The continuation reaction of portion's metal, after heating, oxide-film can be destroyed, and reaction can proceed, the change of iron and excessive concentrated nitric acid
Learning reaction equation is：Fe+6 HNO3 ≜ Fe(No3)3 +3 NO2↑+3 H2O, excessive iron and the chemical reaction side of dust technology
Formula is：Fe+4 HNO3 ≜Fe(No3)2 +2 NO2↑+2 H2Understood in O, above chemical equation, iron is anti-with concentrated nitric acid
Should generate nitrogen dioxide, and the course of reaction needs heating, the nitrogen dioxide of generation and iron number it is unrelated, with concentrated nitric acid amount
Number it is also unrelated.
Experimental provision of the present invention, its course of work is as follows：
（1）Nitric oxide experimentation
Experimental pretreatment is carried out first, it is therefore an objective to remove the oxygen in container, it is to avoid influence student's visual understanding, as shown in Fig. 2
Dilute nitric acid solution 101 is loaded with first container 10, the first wire 14 of the bottom of the first bar 11 is located at the first container 10
The top of interior liquid level, closes the 3rd iron clamp 33, prevents the oxygen in propelling container 35 from entering in container, and enter to the 3rd container 30
Row extrusion process, is at compressive state, opens the second iron clamp 23, the first iron clamp 13, the 4th iron clamp 34, moves down the second bar
21, the second wire 24 of its bottom is immersed in the watery hydrochloric acid in second container 20 or dilution heat of sulfuric acid, at this moment occur
Reaction generation hydrogen, final hydrogen can be full of the 3rd container 30, and the 3rd container 30 is heaved, so can be by air in each container
Total number is discharged, and the purpose of deoxygenation is reached with this, the second bar 21 is moved up, and the second wire 24 of its bottom is located at second and is held
The top of liquid level in device 20, stopping chemically reacts, and closes the second iron clamp 23, the 4th iron clamp 34, extrudes the 3rd container 30, makes
It is in compressive state, then opens the 4th iron clamp 34, it is to avoid gassy in clear, colorless balloon 15 and heave, prevent after influence
Continuous operation and judgement.
Secondly, the 4th iron clamp 34 is closed, the first bar 11 is moved down, the first wire 14 of its bottom is immersed in first
In solution in container 10, both chemically react, and clear, colorless balloon 15 becomes big, and no color has colourless gas generation,
It is not nitrogen dioxide to draw the colourless gas, then moves up the first bar 11, closes the first iron clamp 13, opens the 4th iron clamp 34,
Colourless gas enter the 3rd container 30, are merely able to observe that the 3rd container 30 is slowly heaved, oscillator 37 shakes the 3rd container 30,
Solution colour is unchanged, closes the 4th iron clamp 34, and opening gradually has the life of rufous gas in the 3rd iron clamp 33, the 3rd container 30
Into showing that colourless gas become rufous gas nitrogen dioxide in the 3rd container 30 with oxygen effect in air, with reddish brown
The generation of color gas, is able to observe that the solution of the 3rd container 30 gradually becomes green, the yellowing of absorbent cotton 311 of moistening shakes
Swing device 37 and shake the 3rd container 30 again, the solution colour of the 3rd container 30 is changed into blueness, though the 3rd container 30 has the phenomenon heaved,
But still in squeezed state, and copper ion is in blueness, and nitrogen dioxide is dissolved in water in yellow, both secondary colours are green, because
This oscillator 37 is shaken after the 3rd container 30, and the nitrogen dioxide in solution disappears quickly, and can be derived that the rufous gas is two
Nitrogen oxide, further according to chemical valence conservation, show that the nitrogen dioxide in the 3rd container 30 meets water generation nitric acid and nitric oxide, so that
Metal is demonstrated again generates colourless nitric oxide, rather than nitrogen dioxide with dilute nitric acid reaction, and nitric oxide runs into
Oxygen reaction generates nitrogen dioxide.
（2）Nitrogen dioxide experimentation
Experimental pretreatment is carried out first, it is therefore an objective to remove the oxygen in container, it is to avoid influence student's visual understanding, as shown in figure 3,
Concentrated nitric acid solution 103 is loaded with first container 10, the first wire 14 of the bottom of the first bar 11 is located at the first container 10
The top of interior liquid level, closes the 3rd iron clamp 33, prevents the oxygen in propelling container 35 from entering in container, and enter to the 3rd container 30
Row extrusion process, is at compressive state, opens the second iron clamp 23, the first iron clamp 13, the 4th iron clamp 34, moves down the second bar
21, the second wire 24 of its bottom is immersed in the watery hydrochloric acid in second container 20 or dilution heat of sulfuric acid, at this moment occur
Reaction generation hydrogen, final hydrogen can be full of the 3rd container 30, and the 3rd container 30 is heaved, so can be by air in each container
Total number is discharged, and the purpose of deoxygenation is reached with this, the second bar 21 is moved up, and the second wire 24 of its bottom is located at second and is held
The top of liquid level in device 20, stopping chemically reacts, and closes the second iron clamp 23, the 4th iron clamp 34, extrudes the 3rd container 30, makes
It is in compressive state, then opens the 4th iron clamp 34, it is to avoid gassy in clear, colorless balloon 15 and heave, prevent after influence
Continuous operation and judgement.
Secondly, the 4th iron clamp 34 is closed, the first bar 11 is moved down, the first wire 14 of its bottom is immersed in first
In solution in container 10, both chemically react, and clear, colorless balloon 15 becomes big, become reddish brown while being able to observe that
Color, that is, have the generation of rufous gas, then, move up the first bar 11, close the first iron clamp 13, opens the 4th iron clamp 34, reddish brown
Color gas enters the 3rd container 30, and the 3rd container 30 is heaved, and the solution in the 3rd container 30 is changed into green, the absorbent cotton of moistening
311 yellowings, close the 4th iron clamp 34, without obvious phenomenon, the 3rd container before and after opening in the 3rd iron clamp 33, the 3rd container 30
30 compressive state illustrates in the 3rd container 30 without nitric oxide also without significant change, that is, draws in above-mentioned reaction and do not produce one
Nitrogen oxide, but nitrogen dioxide, close the 3rd iron clamp 33, and oscillator 37 shakes the solution in the 3rd container 30, the 3rd container 30
Become blue, rufous gas fades away, is again turned on engendering rufous gas in the 3rd iron clamp 33, the 3rd container 30, then
Secondary verify does not produce nitric oxide in above-mentioned reaction, but nitrogen dioxide, while showing that nitrogen dioxide meets water generation nitric acid and one
Nitrogen oxide, finally draws metal and concentrated nitric acid reaction generation rufous nitrogen dioxide, rather than colourless nitric oxide.
Understand above, metal material generates nitric oxide, rather than nitrogen dioxide with dilute nitric acid reaction, meanwhile, metal material
Matter and concentrated nitric acid reaction generation nitrogen dioxide, rather than nitric oxide so that student becomes apparent from intuitively observing response process
And reactant, and reactant property, be difficult to obscure both, it is easy to which student understands and masters main points, the generating means knot
Structure is simple, it is easy to operate, and is easy to distinguish, pernicious gas nitric oxide and dioxy produced by can rationally handling in above-mentioned reaction
Change nitrogen, external environment will not be entered, it is to avoid cause environmental pollution, and experimenter also will not inhaled nitric oxide and titanium dioxide
Nitrogen pernicious gas, will not endanger that its is healthy, and security is good, can trust and be tested, moreover it is possible to control experiment course of reaction, obtain
More observing times are obtained, reagent is saved,
A kind of generating means of chemical reaction gas of the present invention so that student become apparent from intuitively observing metal with it is dense,
Dilute nitric acid reaction process and reactant, and reactant can be focused in clear, colorless balloon, can more clearly be observed
Colourless nitric oxide and the nitrogen dioxide of rufous, are difficult to obscure both reactants, and enhance to reactant property
Understanding, it is easy to student understands and masters main points, and the present invention is simple in construction, it is easy to operate, non-environmental-pollution, security is good,
Cost is low, saves reagent, it is easy to control experiment course of reaction, enhances the interest and intuitive of experiment, effectively excites student
Learning interest.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (15)
1. a kind of experimental provision of chemical reaction gas, it is characterised in that including the gentle experience card device of gas generating unit；
The gas generating unit includes the first container（10）, first container（10）Upper port is provided with the first sealing-plug
（16）, first sealing-plug（16）It is fitted with the first connecting tube（12）With the first bar（11）, first bar（11）'s
The first container is inserted in lower end（10）It is interior, first connecting tube（12）One end stretch into the first container（10）Upper port, the other end
It is connected with clear, colorless balloon（15）, first connecting tube（12）With clear, colorless balloon（15）Between be provided with control gas
First iron clamp of circulation（13）, first bar（11）Bottom be fixed with the first wire（14）；
The gas checking device includes the 3rd container（30）, the 3rd container（30）Upper port is provided with the 3rd sealing-plug
（36）, the 3rd sealing-plug（36）It is fitted with the 3rd connecting tube（32）And test tube（31）, the 3rd connecting tube（32）Connection
Propelling container（35）, the 3rd connecting tube（32）With propelling container（35）Between be provided with control gas circulation the 3rd iron clamp
（33）；
The clear, colorless balloon（15）Connect the 3rd connecting tube that gas verifies device（32）, the clear, colorless balloon（15）
With the 3rd connecting tube（32）Between be provided with control gas circulation the 4th iron clamp（34）.
2. the experimental provision of a kind of chemical reaction gas according to claim 1, it is characterised in that the experimental provision is also
Including pretreatment unit, the pretreatment unit includes second container（20）, the second container（20）Upper port is provided with
Two sealing-plugs（25）, the second sealing-plug（25）It is fitted with the second connecting tube（22）With the second bar（21）, second bar
（21）Bottom be fixed with the second wire（24）, second connecting tube（22）On be provided with control gas circulation second
Iron clamp（23）；Second connecting tube（22）Connect the first sealing-plug in gas generating unit（16）.
3. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that first wire
（14）For torpescence wire, first container（10）Inside it is loaded with dilute nitric acid solution（101）, first container（10）'s
Lower section is provided with the first alcolhol burner（102）.
4. a kind of experimental provision of chemical reaction gas according to claim 3, it is characterised in that first wire
（14）For copper wire（141）.
5. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that first wire
（14）For active metal silk, first container（10）Inside it is loaded with dilute nitric acid solution（101）.
6. a kind of experimental provision of chemical reaction gas according to claim 5, it is characterised in that first wire
（14）For iron wire（142）.
7. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that first wire
（14）For torpescence wire, first container（10）Inside it is loaded with concentrated nitric acid solution（103）.
8. a kind of experimental provision of chemical reaction gas according to claim 7, it is characterised in that first wire
（14）For copper wire（141）.
9. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that first wire
（14）For active metal silk, first container（10）Inside it is loaded with concentrated nitric acid solution（103）, first container（10）Under
Side is provided with the second alcolhol burner（104）.
10. a kind of experimental provision of chemical reaction gas according to claim 9, it is characterised in that first metal
Silk（14）For iron wire（142）.
11. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that the 3rd container
（30）For elastic container.
12. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that the 3rd container
（30）Inside it is loaded with copper-bath（301）.
13. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that the 3rd connection
Pipe（32）For T-shaped connecting tube.
14. a kind of experimental provision of chemical reaction gas according to claim 1, it is characterised in that the test tube（31）
For L-shaped through hole shape, test tube（31）Two ends are placed with the absorbent cotton of moistening respectively（311）And activated carbon（312）.
15. a kind of experimental provision of chemical reaction gas according to claim 1,11,12, it is characterised in that institute the 3rd
Container（30）Lower section be provided with oscillator（37）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542843.8A CN107103827A (en) | 2017-07-05 | 2017-07-05 | A kind of experimental provision of chemical reaction gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542843.8A CN107103827A (en) | 2017-07-05 | 2017-07-05 | A kind of experimental provision of chemical reaction gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107103827A true CN107103827A (en) | 2017-08-29 |
Family
ID=59663390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710542843.8A Withdrawn CN107103827A (en) | 2017-07-05 | 2017-07-05 | A kind of experimental provision of chemical reaction gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107103827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223585A (en) * | 2018-03-29 | 2019-09-10 | 刘禹宁 | A kind of energy variation demonstration device in chemical change |
| CN111170440A (en) * | 2020-01-14 | 2020-05-19 | 南京大学盐城环保技术与工程研究院 | High-salinity wastewater advanced oxidation method, industrial waste salt recycling method and equipment |
-
2017
- 2017-07-05 CN CN201710542843.8A patent/CN107103827A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223585A (en) * | 2018-03-29 | 2019-09-10 | 刘禹宁 | A kind of energy variation demonstration device in chemical change |
| CN111170440A (en) * | 2020-01-14 | 2020-05-19 | 南京大学盐城环保技术与工程研究院 | High-salinity wastewater advanced oxidation method, industrial waste salt recycling method and equipment |
| CN111170440B (en) * | 2020-01-14 | 2020-11-27 | 南京大学盐城环保技术与工程研究院 | High-salinity wastewater advanced oxidation method, industrial waste salt recycling method and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hill et al. | Chemistry in Context-Laboratory Manual | |
| CN107103827A (en) | A kind of experimental provision of chemical reaction gas | |
| CN100449307C (en) | Method for investigating carbonate in gypsum and its device | |
| CN104090078A (en) | Method and system for determining sulfur dioxide and sulfur trioxide in flue gas | |
| US2224044A (en) | Method and apparatus for the chemical analysis of materials by thermal decomposition | |
| CN107991428A (en) | The assay method of chlorinity in chlorine-containing gas | |
| CN111220598A (en) | Method for rapidly measuring content of titanium dioxide in ilmenite | |
| Ahluwalia et al. | College practical chemistry | |
| CN206701230U (en) | A kind of gas produces contrast experiment's device | |
| CN206058724U (en) | A kind of multifunctional chemical reacts apparatus for demonstrating | |
| CN206415120U (en) | A kind of sodium peroxydisulfate production mixing plant with exhaust gas processing device | |
| CN206082562U (en) | Waterproof gas -tight container of lift -draw style | |
| CN205815657U (en) | A kind of chemical reaction experimental tool | |
| Bowman | The reaction between potassium permanganate and hydrogen peroxide. | |
| CN108061778A (en) | The detection method of metallic aluminium in aluminum deoxidier | |
| CN220752918U (en) | High school chemistry comprehensive reaction experiment teaching aid | |
| CN207249978U (en) | A kind of chemistry teaching copper sheet and strong acid reactor | |
| CN109248662A (en) | A kind of adsorbent and preparation method thereof for building | |
| CN209980605U (en) | A multi-functional experimental apparatus for chemistry experiment | |
| CN202917080U (en) | A chlorine preparation demonstrating device | |
| CN215906237U (en) | Vanadium-containing molten iron oxidation separation device | |
| CN213781376U (en) | Experimental device for preparing sulfur dioxide and verifying properties of sulfur dioxide | |
| CN206746578U (en) | Use for laboratory liquid subpackage device | |
| CN204791730U (en) | Experimental device for improve copper and dense, rare nitric acid reaction demonstration visibility | |
| CN107312928A (en) | A kind of method that arsenic sulfide slag prepares pentavalent arsenic leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |