CN207165071U - Phosphonium ion molar concentration determines demonstrator in a kind of liquid - Google Patents
Phosphonium ion molar concentration determines demonstrator in a kind of liquid Download PDFInfo
- Publication number
- CN207165071U CN207165071U CN201720586243.7U CN201720586243U CN207165071U CN 207165071 U CN207165071 U CN 207165071U CN 201720586243 U CN201720586243 U CN 201720586243U CN 207165071 U CN207165071 U CN 207165071U
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- China
- Prior art keywords
- liquid
- molar concentration
- demonstrator
- phosphonium ion
- beaker
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Abstract
It the utility model is related to phosphonium ion molar concentration in a kind of liquid and determine demonstrator, it is characterised in that：The demonstrator includes liquid oscillator, marking nameplate, beaker, standard buffer solution, vibration ball, closed plug, indicator electrode, reference electrode, buret, pH indicators, molar concentration and calculates instrument and oscillotitrator；Affiliated marking nameplate is studded with the liquid oscillator；The beaker is placed on liquid oscillator；Beaker is built with standard buffer solution；Beaker is provided with the vibration ball；Beaker is built with the closed plug；It is closed to be fixed with the indicator electrode beyond the Great Wall；It is described closed to be fixed with the reference electrode beyond the Great Wall；It is closed to be fixed with the buret beyond the Great Wall；It is closed to be fixed with the pH indicators beyond the Great Wall；The utility model is simple in construction, easy to operate, can effectively determine phosphonium ion molar concentration in liquid, especially can effectively reduce operating procedure compared with legacy equipment, shortens minute, improves the accuracy and efficiency of measuring demonstration.
Description
Technical field
It the utility model is related to phosphonium ion molar concentration in a kind of teaching aid, more particularly to a kind of liquid and determine demonstrator.
Background technology
At present, in the teaching demonstration activity of university chemistry liquid phosphonium ion molar concentration measure, generally use tradition dress
Put and carry out the method for volumetric titrimetry and weight measurement to carry out.Although these methods can complete related experiment, reach teaching mesh
Mark, but because in whole experimental demonstration operating process, step is more, minute length, operation requires high；Especially conventional apparatus is true
Location survey amount terminal typically determines that manual plotting efficiency is too slow and cumbersome, and accuracy is not high using mapping mode.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in construction, easy to operate, can effectively determine liquid
Phosphonium ion molar concentration in body, operating procedure can be effectively especially reduced compared with legacy equipment and method, shorten minute,
Improve phosphonium ion molar concentration measure demonstrator in a kind of liquid of measuring demonstration accuracy and efficiency.
To solve the above problems, phosphorus molar concentration determines demonstrator, its feature in a kind of liquid described in the utility model
It is：The demonstrator include liquid oscillator, marking nameplate, beaker, standard buffer solution, vibration ball, closed plug, indicator electrode,
Reference electrode, buret, pH indicators, molar concentration calculate instrument and oscillotitrator；Belonging to being studded with the liquid oscillator
Marking nameplate；The beaker is placed on the liquid oscillator；The beaker is built with standard buffer solution；The beaker is provided with
The vibration ball；The beaker is built with the closed plug；It is described closed to be fixed with the indicator electrode beyond the Great Wall；The closed plug
On be fixed with the reference electrode；It is described closed to be fixed with the buret beyond the Great Wall；It is described closed to be fixed with the pH beyond the Great Wall and refer to
Show instrument；The indicator electrode is connected to the Y ends that the molar concentration calculates instrument；The indicator electrode is connected to the oscillometric titration (high frequency titration)
The Y ends of instrument；The reference electrode is connected to the X ends that the molar concentration calculates instrument；The indicator electrode is connected to the oscillography
The Y ends of titrator.
The marking nameplate sets the lower section of the liquid oscillator, and entitled " liquid phosphonium ion molar concentration measure is drilled
Show instrument ".
Mixing liquid of the beaker equipped with solution to be measured and the standard buffer solution.
The collocation method of the standard buffer solution is that 1: 1 nitric acid is added dropwise to 35% hexamethylenetetramine solution, is changed into pH
5.5
Untill.
The spheroid for the acrylic resin material that the vibration ball is a diameter of 2cm.
The closed plug is that the cork powder that thickness is 1cm polymerize plug with what binder combination was formed.
The indicator electrode is mercury film electrode, and preparation method is that bead is made with filamentary silver, with 1:1 nitric acid dousing 1 to 2 second
Afterwards, then immerse in liquid mercury 3 to 5 seconds.
The reference electrode is tungsten electrode, is formed with conventional tungsten electrode after vacuum heat.
The buret is equipped with Pb2+Solion.
The molar concentration calculates instrument, inside has numeral 1 to numeral 9, decimal point " " and delete " Del " and determination " End "
Totally 12 input buttons and LCDs.
Compared with prior art, the beneficial effect that the utility model is reached is：
1. due to being provided with the marking nameplate in the utility model, therefore, facilitate student to understand experiment purpose, be easy to simultaneously
Experiment equipment management.
2. due to being provided with the standard buffer solution in the utility model, therefore, carried out with standard buffer solution and solution to be measured
Mixing, is easy to finely detect phosphonium ion in liquid, improves accuracy in detection.
3. due to being provided with the liquid oscillator in the utility model, therefore, original method is instead of with liquid oscillator
In manual stirring, make operation easier, while be also beneficial to liquid and quickly cool down, shorten experimental period, improve experiment effect
Rate.
4. due to being provided with the vibration ball in the utility model, therefore, vibrated by vibrating ball liquid in beaker,
Liquid mixing efficiency is improved, experimental procedure is simplified, further improves conventional efficient.
It is described closed to be fixed with the instruction beyond the Great Wall 5. because beaker described in the utility model is provided with the closed plug
Electrode, the reference electrode, the buret and the pH indicators, therefore, can effectively fixed electrode in the beaker
Position, shorten experimental procedure, reduce operation require.
6. it is to be made with filamentary silver small due to being provided with the preparation method that the indicator electrode is mercury film electrode in the utility model
Ball, with 1:After 1 nitric acid dousing 1 to 2 second, then immerse in liquid mercury 3 to 5 seconds, therefore, immerse the time by limiting, standardize mercury
The mercury film thickness of membrane electrode, it is easy to the oscillotitrator detection signal to input.
7. due to provided with the reference electrode being tungsten electrode in the utility model, vacuum heat is passed through with conventional tungsten electrode
After formed, therefore, by the reference electrode carry out vacuum heat, realize non-oxidation, without decarburization, without carburizing, reach table
The bright purification in face, is easy to the oscillotitrator detection signal to input.
8., therefore, can be effectively according to liquid volume in buret due to being provided with the buret in the utility model
Phosphorus molar concentration in change measure testing liquid.
9. due to being provided with the oscillotitrator in the utility model, therefore, replace passing with oscillotitrator curvilinear motion
Manual plotting in system method, titration end-point, Enhancement test are judged by the sharp cathode branch otch for observing oscillotitrator curve
Accuracy.
10. calculating instrument due to being provided with the molar concentration in the utility model, inside have numeral 1 to numeral 9, decimal point " "
And delete " Del " and determine " End " totally 12 input buttons and LCDs, therefore, by calculating molar concentration
The numerical value input of instrument directly calculates phosphonium ion molar concentration in liquid, can improve student to experiment with Enhancement test accuracy
Visual effect.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Preparatory work of experiment view；
Fig. 3 is that liquid normal oscillogram in bottom is presented on oscillotitrator fluorescent screen；
Fig. 4 is experiment done state schematic diagram；
In figure：1- liquid oscillators；2- marking nameplates, 3- beakers, 4- standard buffer solutions, 5- vibrations ball, the closed plugs of 6-, 7-
Indicator electrode, 8- reference electrodes, 9- burets, 10-pH indicators, 11- molar concentrations calculate instrument and 12- oscillotitrators.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, in a kind of liquid phosphonium ion molar concentration determine demonstrator, the demonstrator include liquid oscillator 1,
Marking nameplate 2, beaker 3, standard buffer solution 4, vibration ball 5, closed plug 6, indicator electrode 7, reference electrode 8, buret 9, pH refer to
Show that instrument 10, molar concentration calculate instrument 11 and oscillotitrator 12；Marking nameplate 2 belonging to being studded with the liquid oscillator 1；Institute
State and the beaker 3 is placed on liquid oscillator 1；The beaker 3 is built with standard buffer solution 4；The beaker 3 is provided with described shake
Swing ball 5；The beaker 3 is built with the closed plug 6；The indicator electrode 7 is fixed with the closed plug 6；The closed plug 6
On be fixed with the reference electrode 8；The buret 9 is fixed with the closed plug 6；It is fixed with the closed plug 6 described
PH indicators 10；The indicator electrode 7 is connected to the Y ends that the molar concentration calculates instrument 11；The indicator electrode 7 is connected to institute
State the Y ends of oscillotitrator 12；The reference electrode 8 is connected to the X ends that the molar concentration calculates instrument 11；The instruction electricity
Pole 7 is connected to the Y ends of the oscillotitrator 12.
The marking nameplate sets the lower section of the liquid oscillator, and entitled " liquid phosphonium ion molar concentration measure is drilled
Show instrument ".
Mixing liquid of the beaker equipped with solution to be measured and the standard buffer solution.
The collocation method of the standard buffer solution is that 1: 1 nitric acid is added dropwise to 35% hexamethylenetetramine solution, is changed into pH
5.5
Untill.
The spheroid for the acrylic resin material that the vibration ball is a diameter of 2cm.
The closed plug is that the cork powder that thickness is 1cm polymerize plug with what binder combination was formed.
The indicator electrode is mercury film electrode, and preparation method is that bead is made with filamentary silver, with 1:1 nitric acid dousing 1 to 2 second
Afterwards, then immerse in liquid mercury 3 to 5 seconds.
The reference electrode is tungsten electrode, is formed with conventional tungsten electrode after vacuum heat.
The buret is equipped with Pb2+Solion.
The molar concentration calculates instrument, inside has numeral 1 to numeral 9, decimal point " " and delete " Del " and determination " End "
Totally 12 input buttons and LCDs.
Embodiment 1：Phosphorus detection in liquid
1. extracting closed plug, V is injected in beaker0The solution and standard buffer solution to be measured of volume, observe pH indicator numbers
Word changes.
2. being put into the Pb2+ solution that appropriate concentration is Mmol/L in buret, plugged closed at beaker mouth, and remember
Record liquid volume V in buret1(such as Fig. 2).
3. opening liquid oscillator, liquid in beaker is fully vibrated.
4. opening oscillotitrator, adjust and bottom liquid is being presented just on oscillotitrator current potential knob to oscillotitrator fluorescent screen
Normal oscillogram (such as Fig. 3).
5. being titrated using buret, oscillogram curvilinear motion in oscillotitrator fluorescent screen is observed.
6. when cathode branch otch occurs in oscillogram in oscillotitrator fluorescent screen, stop titration, record buret liquid
Volume V2(such as Fig. 4).
7. input V in molar concentration calculates instrument0、V1And V2, press molar concentration and calculate " End " button in instrument, will rub
Phosphonium ion molar concentration in liquid is shown in your concentration calculating instrument LCDs.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (10)
1. phosphonium ion molar concentration determines demonstrator in a kind of liquid, it is characterised in that：The demonstrator includes liquid oscillator
(1), marking nameplate (2), beaker (3), standard buffer solution (4), vibration ball (5), closed plug (6), indicator electrode (7), reference electricity
Pole (8), buret (9), pH indicators (10), molar concentration calculate instrument (11) and oscillotitrator (12)；The liquid oscilaltion
Affiliated marking nameplate (2) is studded with device (1)；The beaker (3) is placed on the liquid oscillator (1)；The beaker (3) is built-in
There is standard buffer solution (4)；The beaker (3) is provided with the vibration ball (5)；The beaker (3) is built with the closed plug
(6)；The indicator electrode (7) is fixed with the closed plug (6)；The reference electrode is fixed with the closed plug (6)
(8)；The buret (9) is fixed with the closed plug (6)；The pH indicators (10) are fixed with the closed plug (6)；
The indicator electrode (7) is connected to the Y ends that the molar concentration calculates instrument (11)；The indicator electrode (7) is connected to described show
The Y ends of ripple titrator (12)；The reference electrode (8) is connected to the X ends that the molar concentration calculates instrument (11).
2. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The sign
Nameplate (2) sets the lower section of the liquid oscillator (1), entitled " liquid phosphonium ion molar concentration determines demonstrator ".
3. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The beaker
(3) mixing liquid equipped with solution to be measured and the standard buffer solution (4).
4. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The standard
The collocation method of buffer solution (4) is that 1: 1 nitric acid is added dropwise to 35% hexamethylenetetramine solution, untill pH is changed into 5.5.
5. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The vibration
Ball (5), it is the spheroid of a diameter of 2cm acrylic resin material.
6. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：It is described closed
It is that the cork powder that thickness is 1cm polymerize plug with what binder combination was formed to fill in (6).
7. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The instruction
Electrode (7) is mercury film electrode, and preparation method is that bead is made with filamentary silver, with 1:After 1 nitric acid dousing 1 to 2 second, then immerse liquid
3 to 5 seconds in mercury.
8. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The reference
Electrode (8) is tungsten electrode, is formed with conventional tungsten electrode after vacuum heat.
9. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：The titration
Pipe (9) is equipped with Pb2+Solion.
10. phosphonium ion molar concentration measure demonstrator in a kind of liquid as claimed in claim 1, it is characterised in that：It is described to rub
Your concentration calculating instrument (11), inside have numeral 1 to numeral 9, decimal point " " and delete " Del " and determine that " End " is inputted for 12 totally
Button and LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586243.7U CN207165071U (en) | 2017-05-25 | 2017-05-25 | Phosphonium ion molar concentration determines demonstrator in a kind of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586243.7U CN207165071U (en) | 2017-05-25 | 2017-05-25 | Phosphonium ion molar concentration determines demonstrator in a kind of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207165071U true CN207165071U (en) | 2018-03-30 |
Family
ID=61709118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720586243.7U Expired - Fee Related CN207165071U (en) | 2017-05-25 | 2017-05-25 | Phosphonium ion molar concentration determines demonstrator in a kind of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207165071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556942A (en) * | 2019-01-25 | 2019-04-02 | 石宏扬 | A kind of solid waste environmental protection monitoring device |
-
2017
- 2017-05-25 CN CN201720586243.7U patent/CN207165071U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556942A (en) * | 2019-01-25 | 2019-04-02 | 石宏扬 | A kind of solid waste environmental protection monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20190525 |