CN201926582U - Enrichment device with electrochemical micro-flow cell - Google Patents
Enrichment device with electrochemical micro-flow cell Download PDFInfo
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- CN201926582U CN201926582U CN2010206468328U CN201020646832U CN201926582U CN 201926582 U CN201926582 U CN 201926582U CN 2010206468328 U CN2010206468328 U CN 2010206468328U CN 201020646832 U CN201020646832 U CN 201020646832U CN 201926582 U CN201926582 U CN 201926582U
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- way valve
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- galvanochemistry
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Abstract
The utility model discloses an enrichment device with an electrochemical micro-flow cell, wherein a working electrode, a reference electrode and a counter electrode connected with an electrochemical workstation are arranged in a transparent organic glass cell body of the electrochemical micro-flow cell; the working electrode is arranged on the left side of the cell body; the reference electrode and the counter electrode are arranged on the right side of the cell body; an upper pipe and a lower pipe communicated with each other are arranged in the cell body; the liquid inlet end of the upper pipe is connected with a peristaltic pump; the liquid outlet end of the lower pipe is connected with the upper end of a third three-way valve; the lower end of the third three-way valve is communicated with a waste liquid bottle; the other end of the third three-way valve is connected with a detector; the peristaltic pump is connected with one end of a second three-way valve; the other two ends of the second three-way valve are respectively communicated with a bismuth solution bottle and one end of a first three-way valve; and the other two ends of the first three-way valve are respectively communicated with a pre-enrichment solution bottle and a dissolved liquid bottle. The enrichment device with an electrochemical micro-flow cell has reasonable structure, can carry out pre-enrichment on ultra-trace metallic elements and perform elution by backward voltage and acid liquor after enrichment; furthermore, the eluent is determined by electrothermal atomic absorption spectrometer, and the working effect is good.
Description
Technical field
The utility model relates to a kind of galvanochemistry microfluid pool enriching apparatus.
Background technology
The preenrichment technology is one of simple and effective pre-treating method, and some preenrichment methods of report have at present: methods such as solid phase extraction, cloud point extraction method, macromolecule concentration method, ion exchange process, diatomite adsorption method and flow injection method.The preenrichment of overseas utilization galvanochemistry, measuring with the Electrothermal Atomic absorption spectroscopy more also has some reports, but all nothing more than be after the preenrichment again stripping in the solution of a smaller size smaller or after directly the tinsel of preenrichment being sent into the Electrothermal Atomic Absorption spectrometer, measure.The work effect is unsatisfactory.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, the galvanochemistry microfluid pool enriching apparatus of good working effect.
Technical solution of the present utility model is:
A kind of galvanochemistry microfluid pool enriching apparatus, it is characterized in that: the galvanochemistry microfluid pool is arranged, the working electrode, the contrast electrode that are connected with electrochemical workstation are set in the transparent organic glass pond body of galvanochemistry microfluid pool to be reached electrode, and working electrode is arranged on the left side of pond body, contrast electrode reaches the right side that electrode is arranged on the pond body, Chi Tizhong is provided with the upper and lower pipe that communicates, the liquid feeding end of wherein going up pipe is connected with peristaltic pump, the outlet end of following pipe is connected with the upper end of the 3rd T-valve, the lower end of the 3rd T-valve communicates with waste liquid bottle, another termination detector of the 3rd T-valve; Described peristaltic pump is connected with an end of second T-valve, and two ends in addition of second T-valve communicate with an end of bismuth solution bottle, first T-valve respectively, and two ends in addition of first T-valve communicate with preenrichment solution bottle, dissolution fluid bottle respectively.
Described preenrichment solution bottle is the bottle that is added with sample solution or standard solution.
The utility model is rational in infrastructure, can carry out preenrichment to ultratrace metal element, and enrichment is after reverse voltage and acid solution wash-out, and eluent is measured by the Electrothermal Atomic Absorption spectrometer, good working effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of galvanochemistry microfluid pool.
Embodiment
A kind of galvanochemistry microfluid pool enriching apparatus, galvanochemistry microfluid pool 7 is arranged, the working electrode 13 that is connected with electrochemical workstation 11 is set in the transparent organic glass pond body 12 of galvanochemistry microfluid pool, contrast electrode 14 reaches electrode 15, and working electrode is arranged on the left side of pond body, contrast electrode reaches the right side that electrode is arranged on the pond body, Chi Tizhong be provided with communicate on, under manage 16,17, the liquid feeding end of wherein going up pipe 16 is connected with peristaltic pump 6, managing 17 outlet end down is connected with the upper end of the 3rd T-valve 8, the lower end of the 3rd T-valve 8 communicates with waste liquid bottle 9, another termination detector 10 of the 3rd T-valve; Described peristaltic pump 6 is connected with an end of second T-valve 5, and two ends in addition of second T-valve communicate with an end of bismuth solution bottle 3, first T-valve 4 respectively, and two ends in addition of first T-valve communicate with preenrichment solution bottle 2, dissolution fluid bottle 1 respectively.Described preenrichment solution bottle is the bottle that is added with sample solution or standard solution.
The course of work of the present utility model is:
A. electrode pre-service: by peristaltic pump 6 through miniature three-way valve 5 with a certain amount of bismuth solution 3 input galvanochemistry microfluid pools 7 in, under-1.2V voltage enrichment, effluent through miniature three-way valve 8 to waste liquid bottle 9.
B. galvanochemistry preenrichment: sample solution or standard solution add in the preenrichment solution bottle 2, through miniature three-way valve 4 and 5, by the peristaltic pump 6 a certain amount of sample solutions of input or standard solution to galvanochemistry microfluid pool 7, under-1.2V voltage enrichment, effluent through miniature three-way valve 8 to waste liquid bottle 9.
C. determinand dissolving: after the solution enrichment finishes in 2,, set electrochemical voltage-0.4V, dissolution fluid 1(0.1%HNO with 4 commutations of miniature three-way valve
3Solution 500 μ L) galvanochemistry of flowing through microfluid pool 7 makes the material desorb stripping that is enriched in electrode surface.
D. ETAAS measures: by the airspace dissolution fluid is sent into the Electrothermal Atomic Absorption spectrophotometer through miniature three-way valve 8.
Claims (2)
1. galvanochemistry microfluid pool enriching apparatus, it is characterized in that: the galvanochemistry microfluid pool is arranged, the working electrode that is connected with electrochemical workstation is set in the transparent organic glass pond body of galvanochemistry microfluid pool, contrast electrode reaches electrode, and working electrode is arranged on the left side of pond body, contrast electrode reaches the right side that electrode is arranged on the pond body, Chi Tizhong be provided with communicate on, following pipe, the liquid feeding end of wherein going up pipe is connected with peristaltic pump, the outlet end of following pipe is connected with the upper end of the 3rd T-valve, the lower end of the 3rd T-valve communicates with waste liquid bottle, another termination detector of the 3rd T-valve; Described peristaltic pump is connected with an end of second T-valve, and two ends in addition of second T-valve communicate with an end of bismuth solution bottle, first T-valve respectively, and two ends in addition of first T-valve communicate with preenrichment solution bottle, dissolution fluid bottle respectively.
2. galvanochemistry microfluid pool enriching apparatus according to claim 1 is characterized in that: described preenrichment solution bottle is the bottle that is added with sample solution or standard solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206468328U CN201926582U (en) | 2010-12-08 | 2010-12-08 | Enrichment device with electrochemical micro-flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206468328U CN201926582U (en) | 2010-12-08 | 2010-12-08 | Enrichment device with electrochemical micro-flow cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926582U true CN201926582U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206468328U Expired - Fee Related CN201926582U (en) | 2010-12-08 | 2010-12-08 | Enrichment device with electrochemical micro-flow cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616275A (en) * | 2013-12-09 | 2014-03-05 | 嘉兴市产品质量监督检验所 | Trace metal ion electric concentration sample treatment method and trace metal ion electric concentration sample treatment device |
-
2010
- 2010-12-08 CN CN2010206468328U patent/CN201926582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616275A (en) * | 2013-12-09 | 2014-03-05 | 嘉兴市产品质量监督检验所 | Trace metal ion electric concentration sample treatment method and trace metal ion electric concentration sample treatment device |
| CN103616275B (en) * | 2013-12-09 | 2016-01-20 | 嘉兴市产品质量监督检验所 | A kind of trace metal ion electricity enriched sample disposal route and device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20111208 |