CN208043733U - The integrated multi-functional electrochemical cell of enrichment/transfer - Google Patents
The integrated multi-functional electrochemical cell of enrichment/transfer Download PDFInfo
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- CN208043733U CN208043733U CN201820570997.8U CN201820570997U CN208043733U CN 208043733 U CN208043733 U CN 208043733U CN 201820570997 U CN201820570997 U CN 201820570997U CN 208043733 U CN208043733 U CN 208043733U
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- pond
- enrichment
- shell
- dissolution
- pedestal
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Abstract
The utility model is related to a kind of multi-functional electrochemical cell of integrated enrichment/transfer, interconnected enrichment pond and dissolution pond are respectively equipped in shell, the bottom of shell is equipped with hollow, be connected thread segment with dissolution pond；Pedestal is screwed in by thread segment in shell, Chi Gai is sealedly attached to the top of shell, electrode system includes reference electrode, auxiliary electrode and working electrode piece, and working electrode piece is located between pedestal and dissolution pond, is supported by pedestal, and the part in dissolution pond is contacted with the solution in dissolution pond；Being internally provided with for enrichment pond hangs on the suspension type magneton that pond covers, is stirred to solution in enrichment pond and dissolution pond；Reference electrode and auxiliary electrode are removably installed on shell respectively, and one end is inserted into dissolution pond, is contacted with the solution in dissolution pond respectively, and the other end is located at the outside of shell.The utility model can work at the same time, and can also separate and display one's respective advantages, and to improve system bioaccumulation efficiency, realize that low-concentration heavy metal detects in water body.
Description
Technical field
The utility model belongs to pre-treatment enrichment and the detection and analysis field of detection heavy metal in water, specifically a kind of
The integrated multi-functional electrochemical cell of enrichment/transfer.
Background technology
The detection method of Heavy Metals in Waters content generally includes spectrophotometry, atomic absorption spectrography (AAS), inductive coupling
Plasma Mass Spectrometry and electrochemical method etc., and most methods are required for certain sample pre-treatments, such as go turbid discoloration,
Purification, enrichment and etc., the separation and concentration stage before being measured using these methods be determine its detect limit for height it is low
Main cause.Currently, that there are medium background interferences is serious, bioaccumulation efficiency is low, instrument is large-scale for detection heavy metal in seawater ion
Change the problems such as complicated for operation cumbersome with pretreatment process, and electrochemistry is due to its high sensitivity, separation property is good and instrument can be small
The features such as type, portability, has some superiority as preprocess method, such as enhances signal Analysis, reduce matrix interference etc..
The method of electrochemistry enrichment includes first chemiadsorption and electrochemical deposition method, it is by electroactive measured matter richness
It combines on electrode, it is then additional to electrode certain to oxidation or reduction potential, the determinand for being enriched in electrode surface is again molten
Enter into lesser amount of solution；In this way, test substance is just detached from original solution, while measured object is also from high dilution
State has been enriched to smaller electrode surface area, to realize the increase of measured matter relative amount.It will thus be seen that
Electrochemistry concentration effect directly affects subsequent detection result；And in the case that the concentration of metal ion is certain in the solution, shadow
The factor for ringing electrochemistry concentration effect may following points：Effective work area, the volume of pregnant solution and the dissolution fluid of electrode
Volume, i.e. electrode effective area is bigger, and pregnant solution volume is bigger, and the volume of dissolution fluid is smaller, can more play concentration concentration
Effect, it is more advantageous to subsequent detection.The process of electrochemistry progress concentration and separation is often accompanied by the transfer process of electrode, is
Obtain more preferably concentration effect, it is often necessary to be transferred to electrode in the solution of concentration from initial soln, in this way in electrode
Transfer process in just inevitably cause certain error, influence to measure.
Utility model content
It is serious, rich in order to solve prior art medium background interference existing in terms of Heavy Metals in Waters ion detection
Collect the problems such as inefficiency, instrument are enlarged and pretreatment process is complicated for operation, the purpose of this utility model is to provide one kind
The integrated multi-functional electrochemical cell of enrichment/transfer.The electrochemical cell can increase substantially the enrichment effect during electrode detection
Rate carries out pre-concentration, to realize the enrichment and detection of low-concentration heavy metal ions in water body to the concentration of heavy metal ion.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes shell, enrichment pond, dissolves out pond, Chi Gai, suspension type magneton, pedestal and electrode system, wherein
Interconnected enrichment pond and dissolution pond are respectively equipped in shell, the bottom of the shell is equipped with hollow thread segment, the screw thread
Section is connected with the dissolution pond；The pedestal by thread segment screw in shell in, the pond Gai Mi detachably connected with shell
Envelope is connected to the top of shell, and the electrode system includes reference electrode, auxiliary electrode and working electrode piece, the working electrode piece
Between pedestal and dissolution pond, supported by pedestal, the working electrode piece be located at the part in dissolution pond in dissolution pond
Solution contacts；Being internally provided with of the enrichment pond hang on pond cover, to enrichment pond and dissolve out solution in pond be stirred it is outstanding
Hanging magneton；The reference electrode and auxiliary electrode are removably installed on shell respectively, and the dissolution is inserted into one end respectively
It is contacted in pond, with the solution in dissolution pond, the other end is located at the outside of the shell；
Wherein：The pedestal is connected by the built-in metal stick of installation on the shell with electrochemical workstation, the built-in gold
The one end for belonging to stick is inserted into the thread segment, is connected with the pedestal of screw-in, carries out conduction, the built-in metal stick it is another
End is connected positioned at the outside of shell with electrochemical workstation；
The other end of the reference electrode and auxiliary electrode is connected to electrochemical workstation；
The pond, which covers, offers multiple through-holes for introducing flow detection system；
The suspension strop of the suspension type magneton is connected to the lower surface of Chi Gai, and the magneton of the suspension type magneton is located at the richness
The junction of Ji Chi and dissolution pond；The suspension strop is connected at the center of the lower surfaces Chi Gai；
In the pedestal and shell between the thread segment of bottom, between reference electrode and dissolution pond, auxiliary electrode and dissolution
It is thread seal connection between pond and between Chi Gai and the top of shell；
The shell, Chi Gai, enrichment pond, dissolution pond, the longitudinal center line of working electrode piece and pedestal are conllinear.
The advantages of the utility model is with good effect：
1. the utility model can be used for carry out water sample in heavy metal ion preenrichment concentration process, while can to its into
Row medium shifts the influence to avoid matrix to detection.It can cooperate between enrichment pond and dissolution pond, while also can basis
Detection needs individually to display one's respective advantages.Concentration and separation means are joined with other methods before the utility model acts not only as
With detection, it can also be used as electrochemical detection method and directly Heavy Metals in Waters ion be detected.
2. utility model device is simple, easy to operate, instrument is portable, high sensitivity, and detection is rapid.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Wherein：1 is shell, and 2 be enrichment pond, and 3 be dissolution pond, and 4 be Chi Gai, and 5 be suspension type magneton, and 6 be reference electrode, 7
It is working electrode piece for auxiliary electrode, 8,9 be built-in metal stick, and 10 be pedestal, and 11 be through-hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model include shell 1, it is enrichment pond 2, dissolution pond 3, pond lid 4, suspension type magneton 5, built-in
The main body of metal bar 9, pedestal 10 and electrode system, the utility model is shell 1 and pond lid 4 made of polytetrafluoroethylene (PTFE) material
It is tightly connected, lid 4 envelope in pond is connected to the top of shell 1；The logical enrichment pond 2 in mutual side and dissolution are respectively equipped in shell 1
Pond 3, the enrichment pond 2 and dissolution pond 3 are setting up and down, and hollow thread segment is equipped among 1 bottom of shell below dissolution pond 3,
The thread segment is connected with dissolution pond 3.Pedestal 10 is screwed in shell 1 by thread segment, is detachably connected with shell 1.
Electrode system includes reference electrode 6, auxiliary electrode 7 and working electrode piece 8, and working electrode piece 8 is in the form of annular discs, directly
It is screwed in, can be dismantled with pedestal 10 by thread segment with pedestal 10.Working electrode piece 8 is located between pedestal 10 and dissolution pond 3, by
Bottom mansion 10 supports.
The hollow cylindrical that pond 3 is both ends open is dissolved out, the bottom in dissolution pond 3 is directly contacted with working electrode piece 8, top
It is connected with enrichment pond 2.Working electrode piece 8 is located at the part in dissolution pond 3 and is contacted with the solution in dissolution pond 3, to work
When can and solution be in direct contact.Enrichment pond 2 is open-topped hollow cylindrical, and bottom opening is connected with dissolution pond 3, rich
The volume for collecting pond 2 is more than the volume in dissolution pond 3.Being internally provided with for enrichment pond 2 is hung on pond lid 4, to enrichment pond 2 and dissolution pond
The suspension type magneton 5 that solution is stirred in 3, the suspension strop of suspension type magneton 5 are connected at the center of the lower surface of pond lid 4,
The magneton of suspension type magneton 5 is located at enrichment pond 2 and dissolves out the junction in pond 3, in this way can be in enrichment pond 2 and dissolution pond 3
Detected solution can be sufficiently stirred, and so that detected solution concentration in enrichment pond 2 and dissolution pond 3 is kept uniform, enrichment
More fully, it is secondly also required to use solution when stirring comes in Electrochemical Detection and reaches balance.It is offered on pond lid 4 multiple straight
The different through-hole 11 of diameter, can introduce flow detection system.
Pedestal 10 is connected by built-in metal stick 9 with electrochemical workstation, and built-in metal stick 9 is mounted on shell 1, one end
It being inserted into thread segment, is connected with the pedestal 10 screwed in, carry out conduction, the other end of built-in metal stick 9 is located at the outside of shell 1,
And it is connected with electrochemical workstation.The pedestal 10 of the utility model and the material of built-in metal stick 9 are metal material, such as stainless
Steel.
Reference electrode 6 and auxiliary electrode 7 are removably installed in respectively on shell 1, one end be inserted into respectively dissolution pond 3 in,
It is contacted with the solution in dissolution pond 3, the other end is located at the outside of shell 1, is connected to electrochemical workstation.
In the pedestal 10 and shell 1 of the utility model between the thread segment of bottom, between reference electrode 6 and dissolution pond 3, it is auxiliary
Help electrode 7 and dissolution pond 3 between and pond lid 4 and the top of shell 1 between be thread seal connection.Shell 1, pond lid 4, richness
The longitudinal center line for collecting pond 2, dissolution pond 3, working electrode piece 8 and pedestal 10 is conllinear.
The operation principle of the utility model is：
When work, the utility model is placed on electrochemical workstation, drives suspension type magneton 5 right by magnetic stirring apparatus
Detected solution is stirred.Enrichment pond 2 and dissolution pond 3 can both work independently, and be measured to Heavy Metals in Waters concentration,
It can cooperate, separation and concentration is carried out to Heavy Metals in Waters copper and medium shifts, has the function that concentration pre-concentration, realizes
Separation and enrichment to Heavy Metals in Waters.Three-electrode system (reference electrode 6, auxiliary electrode 7, work electricity of the utility model
Pole piece 8) it is connected with electrochemical workstation, the acquisition of enrichment detection and data for water sample can at any time be dismantled with right
Electrode and electrolytic cell carry out thorough clean and maintenance.
The utility model dissolves out the design of electrolytic cell by major diameter working electrode and integration enrichment, can greatly improve
Detect bioaccumulation efficiency when Heavy Metals in Waters ion；Medium transfer is realized without transfer electrode simultaneously, makes gold
The concentration for belonging to ion is concentrated, and to reduce the detection limit of system, is reduced the interference of matrix, is realized the weight of low concentration in water body
Metal ion detection.
Claims (8)
1. a kind of multi-functional electrochemical cell of integration enrichment/transfer, it is characterised in that：Including shell (1), enrichment pond (2), dissolution
It is respectively equipped in pond (3), Chi Gai (4), suspension type magneton (5), pedestal (10) and electrode system, wherein shell (1) interconnected
Enrichment pond (2) and dissolution pond (3), the bottom of the shell (1) be equipped with hollow thread segment, the thread segment and the dissolution pond
(3) it is connected；The pedestal (10) interior, Chi Gai (4) detachably connected with shell (1) by thread segment screw-in shell (1)
It is sealedly attached to the top of shell (1), the electrode system includes reference electrode (6), auxiliary electrode (7) and working electrode piece
(8), which is located between pedestal (10) and dissolution pond (3), is supported by pedestal (10), the working electrode piece
(8) it is located at the part in dissolution pond (3) to contact with the solution in dissolution pond (3)；Being internally provided with for pond (2) of enrichment hangs on
The suspension type magneton (5) being stirred on Chi Gai (4), to enrichment pond (2) and dissolution pond (3) interior solution；The reference electrode (6)
And auxiliary electrode (7) is removably installed in respectively on shell (1), one end is inserted into respectively in the dissolution pond (3) and dissolution pond
(3) the solution contact in, the other end are located at the outside of the shell (1).
2. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The pedestal
(10) it is connected with electrochemical workstation by the built-in metal stick (9) being mounted on shell (1), the one of the built-in metal stick (9)
End is inserted into the thread segment, is connected with the pedestal (10) of screw-in, carries out conduction, the built-in metal stick (9) it is another
End is connected positioned at the outside of shell (1) with electrochemical workstation.
3. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The reference electricity
The other end of pole (6) and auxiliary electrode (7) is connected to electrochemical workstation.
4. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The Chi Gai (4)
On offer it is multiple for introducing the through-holes (11) of flow detection system.
5. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The suspension type
The suspension strop of magneton (5) is connected to the lower surface of (4) Chi Gai, the magneton of the suspension type magneton (5) be located at the enrichment pond (2) with
Dissolve out the junction of pond (3).
6. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 5, it is characterised in that：The suspension strop
It is connected at the center of Chi Gai (4) lower surface.
7. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The pedestal
(10) between the thread segment of shell (1) interior bottom, reference electrode (6) and dissolution pond (3) between, auxiliary electrode (7) with dissolution
It is that thread seal is connect between pond (3) and between Chi Gai (4) and the top of shell (1).
8. the multi-functional electrochemical cell of integration enrichment/transfer according to claim 1, it is characterised in that：The shell
(1), the longitudinal center line of Chi Gai (4), enrichment pond (2), dissolution pond (3), working electrode piece (8) and pedestal (10) is conllinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570997.8U CN208043733U (en) | 2018-04-20 | 2018-04-20 | The integrated multi-functional electrochemical cell of enrichment/transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570997.8U CN208043733U (en) | 2018-04-20 | 2018-04-20 | The integrated multi-functional electrochemical cell of enrichment/transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043733U true CN208043733U (en) | 2018-11-02 |
Family
ID=63928060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820570997.8U Active CN208043733U (en) | 2018-04-20 | 2018-04-20 | The integrated multi-functional electrochemical cell of enrichment/transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208043733U (en) |
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2018
- 2018-04-20 CN CN201820570997.8U patent/CN208043733U/en active Active
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