CN207651054U - A kind of experimental provision produced sulfur dioxide and examine its property - Google Patents
A kind of experimental provision produced sulfur dioxide and examine its property Download PDFInfo
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- CN207651054U CN207651054U CN201721524211.0U CN201721524211U CN207651054U CN 207651054 U CN207651054 U CN 207651054U CN 201721524211 U CN201721524211 U CN 201721524211U CN 207651054 U CN207651054 U CN 207651054U
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Abstract
The utility model provides a kind of experimental provision produced sulfur dioxide and examine its property, is primarily characterized in that：It is by three iron clamps, two iron stands, tool test tube equipped with sodium sulfite saturated solution, rubber stopper, syringe equipped with air, syringe equipped with the concentrated sulfuric acid, four emulsion tubes, three gas-guide tubes, three single hole rubber stoppers, the red cloth item of moistening, tool test tube equipped with acid permanganate soln, two alcolhol burners, tool test tube equipped with fuchsin solution, the PH test paper of moistening, drying tube equipped with fresh flower and sodium sulfide solution, funnel, beaker composition equipped with sodium hydroxide solution.Textbook experiment device existing defects：It cannot reflect the property of sulfur dioxide comprehensively；Not environmentally；Drug dosage is big, cumbersome.The utility model can overcome the defect of textbook device, safety and environmental protection, drug dosage small；Sulfur dioxide can be produced with a kind of device and examines multiple properties of sulfur dioxide.
Description
One, technical field
The utility model category chemical field, is related to a kind of chemical experiment device, is particularly used to demonstrate senior chemistry class
The experiment of sulfur dioxide property is produced and examined in sheet.
Two, background technology
The related sulfur dioxide of existing senior middle school chemical teaching material is produced and the lecture experiment of Property Verification is all tube assay, and two
Sulfur oxide gas is a kind of irritant smell, gas that is toxic, can polluting air.It is anti-using sodium sulfite solid and the concentrated sulfuric acid
Sulfur dioxide should be prepared, this experiment reaction is fast, dangerous high.With reaction progress often because sodium sulfite solid occur it is hardened due to
So that the rate of generation gas is slowed down significantly, therefore is difficult control reaction rate；The property experiment mistake of sulfur dioxide is examined on textbook
Journey is cumbersome, wastes drug, time-consuming, molten easily to pollute the environment, and does not meet the requirement of Green Chemistry.Therefore in teaching material
Experimental provision does experiment and has the following defects：Reaction rate is not easy to control；It cannot reflect the property of sulfur dioxide comprehensively；Not ring
It protects；Drug dosage is big, complicated for operation, cumbersome.The experimental provision for producing and examining sulfur dioxide property is improved, several properties are small
Test combinations carry out together and in a confined space, time saving, laborsaving, environmentally friendly.
Three, utility model content
The utility model aim is to provide a kind of experimental provision produced sulfur dioxide and examine its property.Use this reality
Multiple chemical property with disposable test sulfur dioxide are produced with New Energy, easy to operate, drug dosage is few, and very environmentally friendly.
The purpose of this utility model is realized by the following method：
A kind of experimental provision produced sulfur dioxide and examine its property, is primarily characterized in that：It is by the first iron clamp of band
（2）The first iron stand（1）, the first tool test tube equipped with sodium sulfite saturated solution（3）, rubber stopper（4）, equipped with air
First syringe（5）, the second syringe equipped with the concentrated sulfuric acid（6）, the first emulsion tube（7）, the first gas-guide tube（8）, the first single hole
Rubber stopper（9）, moistening red cloth item（10）, the second tool test tube equipped with acid permanganate soln（11）, the first alcolhol burner
（12）, carry the second iron clamp（13）With third iron clamp（15）The second iron stand（14）, the second emulsion tube（16）, the second gas-guide tube
（17）, the second single hole rubber stopper（18）, third tool test tube equipped with fuchsin solution（19）, moistening PH test paper（20）, second
Alcolhol burner（21）, third emulsion tube（22）, third single hole rubber stopper（23）, third gas-guide tube（24）, be equipped with fresh flower（25）And sulphur
Change the drying tube of sodium solution（26）, the 4th emulsion tube（27）, funnel（28）, beaker equipped with sodium hydroxide solution（29）Composition.
The first tool test tube equipped with sodium sulfite saturated solution（3）It is fixed on the first iron stand vertically（1）On, band first
Syringe（5）With the second syringe（6）Rubber stopper（4）Stopper the first tool test tube（3）Nozzle.Equipped with acid potassium permanganate
Second tool test tube of solution（11）It is fixed on the second iron stand vertically（14）On, the first gas-guide tube of band（8）The first single hole rubber
Leather plug（9）Stopper the second tool test tube（11）Nozzle, the first single hole rubber stopper（9）First gas-guide tube of inner end（8）Upper patch is wet
The red cloth item of profit（10）.Third tool test tube equipped with fuchsin solution（19）It is fixed on the second iron stand vertically（14）On, it carries
Second gas-guide tube（17）The second single hole rubber stopper（18）Stopper third tool test tube（19）Nozzle, the second single hole rubber stopper
（18）Second gas-guide tube of inner end（17）The PH test paper of upper patch moistening（20）.Band third gas-guide tube（24）Third single hole rubber stopper
（23）It stoppers and fresh flower is housed（25）With the drying tube of sodium sulfide solution（26）Big opening end.First emulsion tube（7）The first tool of connection
Branch test tube（3）Branch pipe and the first single hole rubber stopper（9）First gas-guide tube of outer end（8）.Second emulsion tube（16）Connection second
Tool test tube（11）Branch pipe and the second single hole rubber stopper（18）Second gas-guide tube of outer end（17）.Third emulsion tube（22）Connection
Third tool test tube（19）Branch pipe and third single hole rubber stopper（23）The third gas-guide tube of outer end（24）.4th emulsion tube（27）
Connect drying tube（26）Osculum end and funnel（28）End, funnel（28）Tip upside down on the beaker equipped with sodium hydroxide solution
（29）In.First alcolhol burner（12）It is placed on the second tool test tube（11）Underface, the second alcolhol burner（21）It is placed on third
Tool test tube（19）Underface.
Experimentation：Connect instrument, the air-tightness of check device, in the first tool test tube（3）In fill appropriate sodium sulfite
Saturated solution, by the first syringe equipped with air（5）With the second syringe equipped with the concentrated sulfuric acid（6）It is respectively inserted in rubber stopper
（4）On, with the first syringe of band（5）With the second syringe（6）Rubber stopper（4）Stopper the first tool test tube（3）Nozzle, so
Afterwards with the first iron clamp（2）By the first tool test tube equipped with sodium sulfite saturated solution（3）It is fixed on the first iron stand vertically（1）
On.By the first gas-guide tube（8）It is inserted in the first single hole rubber stopper（9）On, in the first single hole rubber stopper（9）First gas-guide tube of inner end
（8）The red cloth item of upper patch moistening（10）, in the second tool test tube（11）In fill appropriate acid permanganate soln, led with band first
Tracheae（8）The first single hole rubber stopper（9）Stopper the second tool test tube（11）Nozzle, then with the second iron clamp（13）It will be equipped with
Second tool test tube of acid permanganate soln（11）It is fixed on the second iron stand vertically（14）On.By the second gas-guide tube（17）
It is inserted in the second single hole rubber stopper（18）On, in the second single hole rubber stopper（18）Second gas-guide tube of inner end（17）The PH of upper patch moistening
Test paper（20）, in third tool test tube（19）In fill appropriate fuchsin solution, with the second gas-guide tube of band（17）The second single hole rubber
Plug（18）Stopper third tool test tube（19）Nozzle, then use third iron clamp（15）By the third tool branch examination equipped with fuchsin solution
Pipe（19）It is fixed on the second iron stand vertically（14）On.By third gas-guide tube（24）It is inserted in third single hole rubber stopper（23）On, it will
Drying tube（26）Traverse, in drying tube（26）In fill appropriate sodium sulfide solution, close to drying tube（26）Big opening end at put it is fresh
Flower（25）, then use band third gas-guide tube（24）Third single hole rubber stopper（23）It stoppers and fresh flower is housed（25）And sodium sulfide solution
Drying tube（26）Big opening end.With the first emulsion tube（7）Connect the first tool test tube（3）Branch pipe and the first single hole rubber stopper
（9）First gas-guide tube of outer end（8）.With the second emulsion tube（16）Connect the second tool test tube（11）Branch pipe and the second single hole rubber
Leather plug（18）Second gas-guide tube of outer end（17）.With third emulsion tube（22）Connect third tool test tube（19）Branch pipe and third
Single hole rubber stopper（23）The third gas-guide tube of outer end（24）.With the 4th emulsion tube（27）Connect drying tube（26）Osculum end and leakage
Bucket（28）End.In beaker（29）In fill appropriate sodium hydroxide solution, by funnel（28）It tips upside down on and sodium hydroxide solution is housed
Beaker（29）In.The first alcolhol burner（12）It is placed on the second tool test tube（11）Underface, the second alcolhol burner（21）It puts
It sets in third tool test tube（19）Underface.When experiment, by the second syringe（6）In the concentrated sulfuric acid be slowly dropped into equipped with saturation
First tool test tube of sodium sulfite saturated solution（3）In, it can be seen that following phenomenon：It is rapid to generate colourless gas, moistening
Red cloth item（10）It is colour-fast；The PH test paper of moistening（20）Become red；Fresh flower（25）Color is taken off gradually；Second tool test tube（11）
In the aubergine of acid permanganate soln take off quickly；Third tool test tube（19）In fuchsin solution take off gradually；It is dry
Dry pipe（26）In sodium sulfide solution in there is phenomena such as yellow is muddy.When there is above-mentioned phenomenon, stop that the concentrated sulfuric acid is added dropwise.So
After light the first alcolhol burner（12）With the second alcolhol burner（21）Respectively to the second tool test tube（11）In solution and third tool branch
Test tube（19）In solution heating, at this moment again it can be seen that：Fuchsin solution restores red quickly；Acid permanganate soln is without bright
Aobvious variation.The above phenomenon fully proves：Sulfur dioxide is dissolved in water, and solution is in acidity；Sulfur dioxide has Bleachability, bleaching work
Apparatus is selective；Sulfur dioxide has reproducibility, it may have oxidisability.After experiment, with the first syringe（5）Constantly
In draw air and pushing in device, remaining sulfur dioxide in device is blasted into the beaker equipped with sodium hydroxide solution（29）In into
Row absorbs, and realizes toxic gas zero-emission.
The beneficial effects of the utility model are：Sulfur dioxide and disposable test titanium dioxide can be produced using the utility model
Multiple chemical property of sulphur, it is easy to operate；Drug dosage is few；It is safe and environment-friendly；Sodium sulfite solid is changed to saturated solution, is disappeared
In addition to hardened phenomenon.
Four, it illustrates
Fig. 1 is the structure chart of the utility model.
Mark in figure indicates respectively：
（1）First iron stand（2）First iron clamp（3）The first tool test tube equipped with saturated sodium sulfite saturated solution
（4）Rubber stopper（5）The first syringe equipped with air（6）The second syringe equipped with the concentrated sulfuric acid（7）First emulsion tube（8）
First gas-guide tube（9）First single hole rubber stopper（10）The red cloth item of moistening（11）Second equipped with acid permanganate soln
Tool test tube（12）First alcolhol burner（13）Second iron clamp（14）Second iron stand（15）Third iron clamp（16）Second latex
Pipe（17）Second gas-guide tube（18）Second single hole rubber stopper（19）Third tool test tube equipped with fuchsin solution（20）Moistening
PH test paper（21）Second alcolhol burner（22）Third emulsion tube（23）Third single hole rubber stopper（24）Third gas-guide tube（25）
Fresh flower（26）Drying tube equipped with sodium sulfide solution（27）4th emulsion tube（28）Funnel（29）Equipped with sodium hydroxide solution
Beaker
Five, specific implementation mode
The utility model is described in further detail With reference to embodiment：
A kind of experimental provision produced sulfur dioxide and examine its property, is primarily characterized in that：It is by the first iron clamp of band
（2）The first iron stand（1）, the first tool test tube equipped with sodium sulfite saturated solution（3）, rubber stopper（4）, equipped with air
First syringe（5）, the second syringe equipped with the concentrated sulfuric acid（6）, the first emulsion tube（7）, the first gas-guide tube（8）, the first single hole
Rubber stopper（9）, moistening red cloth item（10）, the second tool test tube equipped with acid permanganate soln（11）, the first alcolhol burner
（12）, carry the second iron clamp（13）With third iron clamp（15）The second iron stand（14）, the second emulsion tube（16）, the second gas-guide tube
（17）, the second single hole rubber stopper（18）, third tool test tube equipped with fuchsin solution（19）, moistening PH test paper（20）, second
Alcolhol burner（21）, third emulsion tube（22）, third single hole rubber stopper（23）, third gas-guide tube（24）, be equipped with fresh flower（25）And sulphur
Change the drying tube of sodium solution（26）, the 4th emulsion tube（27）, funnel（28）, beaker equipped with sodium hydroxide solution（29）Composition.
The first tool test tube equipped with sodium sulfite saturated solution（3）It is fixed on the first iron stand vertically（1）On, band first
Syringe（5）With the second syringe（6）Rubber stopper（4）Stopper the first tool test tube（3）Nozzle.Equipped with acid potassium permanganate
Second tool test tube of solution（11）It is fixed on the second iron stand vertically（14）On, the first gas-guide tube of band（8）The first single hole rubber
Leather plug（9）Stopper the second tool test tube（11）Nozzle, the first single hole rubber stopper（9）First gas-guide tube of inner end（8）Upper patch is wet
The red cloth item of profit（10）.Third tool test tube equipped with fuchsin solution（19）It is fixed on the second iron stand vertically（14）On, it carries
Second gas-guide tube（17）The second single hole rubber stopper（18）Stopper third tool test tube（19）Nozzle, the second single hole rubber stopper
（18）Second gas-guide tube of inner end（17）The PH test paper of upper patch moistening（20）.Band third gas-guide tube（24）Third single hole rubber stopper
（23）It stoppers and fresh flower is housed（25）With the drying tube of sodium sulfide solution（26）Big opening end.First emulsion tube（7）The first tool of connection
Branch test tube（3）Branch pipe and the first single hole rubber stopper（9）First gas-guide tube of outer end（8）.Second emulsion tube（16）Connection second
Tool test tube（11）Branch pipe and the second single hole rubber stopper（18）Second gas-guide tube of outer end（17）.Third emulsion tube（22）Connection
Third tool test tube（19）Branch pipe and third single hole rubber stopper（23）The third gas-guide tube of outer end（24）.4th emulsion tube（27）
Connect drying tube（26）Osculum end and funnel（28）End, funnel（28）Tip upside down on the beaker equipped with sodium hydroxide solution
（29）In.First alcolhol burner（12）It is placed on the second tool test tube（11）Underface, the second alcolhol burner（21）It is placed on third
Tool test tube（19）Underface.
The application method of the utility model：Connect instrument, the air-tightness of check device, in the first tool test tube（3）Middle dress
Appropriate sodium sulfite saturated solution, by the first syringe equipped with air（5）With the second syringe equipped with the concentrated sulfuric acid（6）Respectively
It is inserted in rubber stopper（4）On, with the first syringe of band（5）With the second syringe（6）Rubber stopper（4）Stopper the first tool test tube
（3）Nozzle, then with the first iron clamp（2）By the first tool test tube equipped with sodium sulfite saturated solution（3）It is fixed on vertically
First iron stand（1）On.By the first gas-guide tube（8）It is inserted in the first single hole rubber stopper（9）On, in the first single hole rubber stopper（9）In
First gas-guide tube at end（8）The red cloth item of upper patch moistening（10）, in the second tool test tube（11）In fill appropriate acid potassium permanganate
Solution, with the first gas-guide tube of band（8）The first single hole rubber stopper（9）Stopper the second tool test tube（11）Nozzle, then with
Two iron clamps（13）By the second tool test tube equipped with acid permanganate soln（11）It is fixed on the second iron stand vertically（14）On.
By the second gas-guide tube（17）It is inserted in the second single hole rubber stopper（18）On, in the second single hole rubber stopper（18）Second gas-guide tube of inner end
（17）The PH test paper of upper patch moistening（20）, in third tool test tube（19）In fill appropriate fuchsin solution, with the second gas-guide tube of band
（17）The second single hole rubber stopper（18）Stopper third tool test tube（19）Nozzle, then use third iron clamp（15）Product will be housed
The third tool test tube of red solution（19）It is fixed on the second iron stand vertically（14）On.By third gas-guide tube（24）It is inserted in third list
Hole rubber stopper（23）On, by drying tube（26）Traverse, in drying tube（26）In fill appropriate sodium sulfide solution, close to drying tube
（26）Big opening end at put fresh flower（25）, then use band third gas-guide tube（24）Third single hole rubber stopper（23）It stoppers equipped with fresh
Flower（25）With the drying tube of sodium sulfide solution（26）Big opening end.With the first emulsion tube（7）Connect the first tool test tube（3）Branch
Pipe and the first single hole rubber stopper（9）First gas-guide tube of outer end（8）.With the second emulsion tube（16）Connect the second tool test tube（11）
Branch pipe and the second single hole rubber stopper（18）Second gas-guide tube of outer end（17）.With third emulsion tube（22）Connect third tool branch examination
Pipe（19）Branch pipe and third single hole rubber stopper（23）The third gas-guide tube of outer end（24）.With the 4th emulsion tube（27）Connect drying
Pipe（26）Osculum end and funnel（28）End.In beaker（29）In fill appropriate sodium hydroxide solution, by funnel（28）Back-off
In the beaker equipped with sodium hydroxide solution（29）In.The first alcolhol burner（12）It is placed on the second tool test tube（11）Just under
Side, the second alcolhol burner（21）It is placed on third tool test tube（19）Underface.When experiment, by the second syringe（6）In it is dense
Sulfuric acid is slowly dropped into the first tool test tube equipped with saturated sodium sulfite saturated solution（3）In, it can be seen that following phenomenon：Rapidly
Generate colourless gas, the red cloth item of moistening（10）It is colour-fast；The PH test paper of moistening（20）Become red；Fresh flower（25）Color takes off gradually
It goes；Second tool test tube（11）In the aubergine of acid permanganate soln take off quickly；Third tool test tube（19）In
Fuchsin solution takes off gradually；Drying tube（26）In sodium sulfide solution in there is phenomena such as yellow is muddy.When the above-mentioned phenomenon of appearance
When, stop that the concentrated sulfuric acid is added dropwise.Then the first alcolhol burner is lighted（12）With the second alcolhol burner（21）Respectively to the second tool test tube
（11）In solution and third tool test tube（19）In solution heating, at this moment again it can be seen that：Fuchsin solution restores red quickly
Color；Acid permanganate soln is without significant change.The above phenomenon fully proves：Sulfur dioxide is dissolved in water, and solution is in acidity；Dioxy
Change sulphur have it is Bleachability, blanching effect have selectivity；Sulfur dioxide has reproducibility, it may have oxidisability.Experiment finishes
Afterwards, with the first syringe（5）Constantly in draw air and pushing in device, remaining sulfur dioxide in device is blasted equipped with hydrogen
The beaker of sodium hydroxide solution（29）In absorbed, realize toxic gas zero-emission.The utility model has the advantages that：Use this reality
Multiple chemical property of sulfur dioxide and disposable test sulfur dioxide are produced with New Energy, it is easy to operate；Drug dosage is few；Peace
Entirely, environmentally friendly；Sodium sulfite solid is changed to saturated solution, eliminates hardened phenomenon.
Claims (1)
1. a kind of experimental provision produced sulfur dioxide and examine its property, is primarily characterized in that：It is by the first iron clamp of band（2）
The first iron stand（1）, the first tool test tube equipped with sodium sulfite saturated solution（3）, rubber stopper（4）, equipped with air
One syringe（5）, the second syringe equipped with the concentrated sulfuric acid（6）, the first emulsion tube（7）, the first gas-guide tube（8）, the first single hole rubber
Leather plug（9）, moistening red cloth item（10）, the second tool test tube equipped with acid permanganate soln（11）, the first alcolhol burner
（12）, carry the second iron clamp（13）With third iron clamp（15）The second iron stand（14）, the second emulsion tube（16）, the second gas-guide tube
（17）, the second single hole rubber stopper（18）, third tool test tube equipped with fuchsin solution（19）, moistening PH test paper（20）, second
Alcolhol burner（21）, third emulsion tube（22）, third single hole rubber stopper（23）, third gas-guide tube（24）, be equipped with fresh flower（25）And sulphur
Change the drying tube of sodium solution（26）, the 4th emulsion tube（27）, funnel（28）, beaker equipped with sodium hydroxide solution（29）Composition,
The first tool test tube equipped with sodium sulfite saturated solution（3）It is fixed on the first iron stand vertically（1）On, the first syringe of band
（5）With the second syringe（6）Rubber stopper（4）Stopper the first tool test tube（3）Nozzle, equipped with acid permanganate soln
Second tool test tube（11）It is fixed on the second iron stand vertically（14）On, the first gas-guide tube of band（8）The first single hole rubber stopper（9）
Stopper the second tool test tube（11）Nozzle, the first single hole rubber stopper（9）First gas-guide tube of inner end（8）The red cloth of upper patch moistening
Item（10）, the third tool test tube of fuchsin solution is housed（19）It is fixed on the second iron stand vertically（14）On, carry the second air guide
Pipe（17）The second single hole rubber stopper（18）Stopper third tool test tube（19）Nozzle, the second single hole rubber stopper（18）Inner end
Second gas-guide tube（17）The PH test paper of upper patch moistening（20）, band third gas-guide tube（24）Third single hole rubber stopper（23）Stopper dress
There is fresh flower（25）With the drying tube of sodium sulfide solution（26）Big opening end, the first emulsion tube（7）Connect the first tool test tube（3）'s
Branch pipe and the first single hole rubber stopper（9）First gas-guide tube of outer end（8）, the second emulsion tube（16）Connect the second tool test tube（11）
Branch pipe and the second single hole rubber stopper（18）Second gas-guide tube of outer end（17）, third emulsion tube（22）Connect third tool test tube
（19）Branch pipe and third single hole rubber stopper（23）The third gas-guide tube of outer end（24）, the 4th emulsion tube（27）Connect drying tube
（26）Osculum end and funnel（28）End, funnel（28）Tip upside down on the beaker equipped with sodium hydroxide solution（29）In, first
Alcolhol burner（12）It is placed on the second tool test tube（11）Underface, the second alcolhol burner（21）It is placed on third tool test tube（19）
Underface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524211.0U CN207651054U (en) | 2017-11-15 | 2017-11-15 | A kind of experimental provision produced sulfur dioxide and examine its property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524211.0U CN207651054U (en) | 2017-11-15 | 2017-11-15 | A kind of experimental provision produced sulfur dioxide and examine its property |
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| CN207651054U true CN207651054U (en) | 2018-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187126A (en) * | 2018-09-05 | 2019-01-11 | 李海志 | Laboratory prepares the micro device and method of sulfur dioxide |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187126A (en) * | 2018-09-05 | 2019-01-11 | 李海志 | Laboratory prepares the micro device and method of sulfur dioxide |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20191115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |