CN2344774Y - Electrolytic cell for polarographic apparatus - Google Patents
Electrolytic cell for polarographic apparatus Download PDFInfo
- Publication number
- CN2344774Y CN2344774Y CN 98219629 CN98219629U CN2344774Y CN 2344774 Y CN2344774 Y CN 2344774Y CN 98219629 CN98219629 CN 98219629 CN 98219629 U CN98219629 U CN 98219629U CN 2344774 Y CN2344774 Y CN 2344774Y
- Authority
- CN
- China
- Prior art keywords
- stirrer
- electrode
- electrolytic cell
- container
- model
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electrolytic cell for a polarographic apparatus, comprising a container, an electrode frame, an electrode installed on the electrode frame and a stirrer positioned in the container in order to overcome the defects that the existing electrolytic cell for the polarographic apparatus has low enriching efficiency and poor repeatability for measuring results. The lower end of the electrode is positioned in the container, and the stirrer is fixed on the lower end of a rotating shaft driven by an electric motor. The enriching efficiency of the utility model is more than 11 times of the existing electrolytic cell for the polarographic apparatus, and the utility model has good repeatability for the measuring results.
Description
The utility model relates to a kind of polarograph electrolytic cell.
Polarograph is the important instrument of Zn in the test water, Cd, Pb, Cu equal size, and at present, the electrolytic cell of polarograph generally adopts magnetic stirring apparatus to stir.The stirrer of magnetic stirring apparatus is placed on the bottom of container, stirrer wraps glass by iron leg rod outside or plastics are formed, the below of container bottom is equipped with rotary magnet, and rotary magnet rotates and forms the rotation of rotating magnetic field driving stirrer, thereby realizes the stirring to detected solution.This electrolytic cell is because rotary magnet rotating speed when too fast, and stirrer and rotary magnet are asynchronous, and the rotating speed of stirrer can not be too fast, and the flow velocity of the solution that is stirred can be too not high.In addition, stirrer and distance between electrodes generally more than 5mm, electrode table and near solution flow rate is lower, so bioaccumulation efficiency is not high.Because stirrer is in a kind of free state, it is not fixed with the relative position of electrode, so the efficient instability of enrichment influences the reappearance of measurement result.
The purpose of this utility model is that the polarograph electrolytic cell of a kind of bioaccumulation efficiency height, measurement result favorable reproducibility is provided.
The purpose of this utility model is to realize like this, the polarograph electrolytic cell comprises container, arc-spark stand, is installed in electrode on the arc-spark stand, is positioned at the stirrer of container, and the lower end of electrode is positioned at container, it is characterized in that stirrer is fixed on the lower end by electric motor driven rotating shaft.
Container is used for the splendid attire detected solution, and arc-spark stand is used for fixing electrode.Stirrer is a blade, and motor drives stirrer by rotating shaft and rotates, thus agitating solution.
Rotating shaft of the present utility model by Bearing Installation on arc-spark stand.
Electrode of the present utility model comprises working electrode, contrast electrode and auxiliary electrode, and stirrer is positioned at a side of working electrode lower end.
Stirrer of the present utility model is by direct motor drive, and stirrer is identical with the rotating speed of motor, can improve the rotating speed of stirrer like this, the flow velocity of detected solution is improved, thereby improve bioaccumulation efficiency.Rotating shaft of the present utility model by Bearing Installation on arc-spark stand, thereby stationkeeping with stirrer, can make the lower end of the as far as possible close working electrode of stirrer like this, particularly stirrer is placed a side of working electrode lower end, can improve near the renewal speed of the solution of working electrode surface greatly, bioaccumulation efficiency has improved the sensitivity that detects for adopting more than 10 times of electrolytic cell of magnetic stirring apparatus.The utility model can be by the position of fixed rotating shaft, relative distance between stirrer and the working electrode is fixed, improved the stability of bioaccumulation efficiency like this, compared, the utlity model has good measurement result reappearance with the electrolytic cell that adopts magnetic stirring apparatus.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Accompanying drawing is a structural representation of the present utility model.
As shown in the figure, arc-spark stand 4 is placed on the vessel port of container 5.Working electrode 1, contrast electrode 2 and auxiliary electrode 3 are separately fixed on the arc-spark stand 4, and their lower end is positioned at container 5.Motor 6 adopts the constant speed direct current motor, and its rotating shaft 7 is installed on the arc-spark stand 4 by bearing 8.The lower end of rotating shaft 7 is positioned at container 5, and stirrer 9 is fixed on the lower end of rotating shaft 7.Working electrode 1 adopts hanging mercury electrode, and stirrer 9 is positioned at working electrode 1 lower end mercury and drips a side of 10, and drips 10 near mercury.Arc-spark stand 4 is fixed on the support 11.Motor 6 is fixed on the motor frame 12, and motor frame 12 is fixed on the support 11.Container 5 is placed on the receptacle stand 13, and receptacle stand 13 is fixed on the support 11.
When motor 6 rotates, drive stirrer 9 by rotating shaft 7 and rotate.Stirrer improves the flow velocity that working electrode mercury drips 10 near surface solution, thereby improves bioaccumulation efficiency.
Claims (3)
1, polarograph electrolytic cell comprises container, arc-spark stand, is installed in electrode on the arc-spark stand, is positioned at the stirrer of container, and the lower end of electrode is positioned at container, it is characterized in that, stirrer is fixed on the lower end by electric motor driven rotating shaft.
2, polarograph electrolytic cell according to claim 1 is characterized in that, rotating shaft by Bearing Installation on arc-spark stand.
3, polarograph electrolysis according to claim 1 and 2 is characterized in that also electrode comprises working electrode, contrast electrode and auxiliary electrode, and stirrer is positioned at a side of working electrode lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98219629 CN2344774Y (en) | 1998-05-03 | 1998-08-09 | Electrolytic cell for polarographic apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98212777.4 | 1998-05-03 | ||
| CN98212777 | 1998-05-03 | ||
| CN 98219629 CN2344774Y (en) | 1998-05-03 | 1998-08-09 | Electrolytic cell for polarographic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2344774Y true CN2344774Y (en) | 1999-10-20 |
Family
ID=34065978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98219629 Expired - Fee Related CN2344774Y (en) | 1998-05-03 | 1998-08-09 | Electrolytic cell for polarographic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2344774Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034771A (en) * | 2014-06-27 | 2014-09-10 | 杭州绿洁水务科技有限公司 | Electrochemical electrolytic cell |
| US10234419B2 (en) | 2016-05-23 | 2019-03-19 | Hong Kong Applied Science and Technology Research Institute Company Limited | Static disk electrode for electroplating bath analysis |
-
1998
- 1998-08-09 CN CN 98219629 patent/CN2344774Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034771A (en) * | 2014-06-27 | 2014-09-10 | 杭州绿洁水务科技有限公司 | Electrochemical electrolytic cell |
| CN104034771B (en) * | 2014-06-27 | 2017-08-08 | 杭州绿洁水务科技股份有限公司 | A kind of electrochemical cell |
| US10234419B2 (en) | 2016-05-23 | 2019-03-19 | Hong Kong Applied Science and Technology Research Institute Company Limited | Static disk electrode for electroplating bath analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |