CN2729719Y - Special sensor for investigating surfactant - Google Patents
Special sensor for investigating surfactant Download PDFInfo
- Publication number
- CN2729719Y CN2729719Y CN 200420089195 CN200420089195U CN2729719Y CN 2729719 Y CN2729719 Y CN 2729719Y CN 200420089195 CN200420089195 CN 200420089195 CN 200420089195 U CN200420089195 U CN 200420089195U CN 2729719 Y CN2729719 Y CN 2729719Y
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- Prior art keywords
- reference electrode
- sensor
- internal
- surfactant
- electrode
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a special sensor for investigating surfactant. The sensor comprises eccentric jacket tubes, an internal reference electrode and an external reference electrode. Packaged between the internal jacket tube and the external jacket tube is the reference solution, in which the internal reference electrode is packged. The internal jacket tube is connected with a measuring tube, in which the external reference electrode is positioned. The effect of the technological progress of the utility model exhibits the charateristic of the strong selectivity of the active membrane in the sensor, which can measure different types of surfactants at the same time and thus realize the separate investigation of different types of surfactants, being favourable for statistics of the influence brought on by various types of surfactants on the environment. Since the chemical sensor of the utility model is provided with both the internal reference electrode and the external reference electrode, the test result is stable and has good reproducibility.
Description
Technical field
The utility model relates to a kind of sensor special that the electrochemical analysis technical field is measured surfactant.Belong to electrochemical analysis auxiliary electrode technical field.
Background technology
The characteristics that chemical sensor is highly sensitive because of having, response is fast are widely used in analyzing and testing, the especially field monitoring of all kinds of materials.The chemical sensor electrode of working commonly used is formed measuring system with contrast electrode and is placed measuring cell to use.General chemical sensor is its outside surface and contacts with test solution.Chris JD etc. will contain the salt of appropriate ions cation exchange groups, add plastifier and Polyvinylchloride and make solution, be coated on the graphite-pipe inwall, make the flow type ion-selective electrode, measured anionic surfactant and cationic surfactant with the flow injection method.But the electrode of this method preparation makes electrode stability relatively poor because of there not being internal reference electrode.
Summary of the invention
The object of the present invention is to provide a kind of array chemical sensor of measuring surfactant, measure when realizing dissimilar surfactant.
The technical solution of the utility model is achieved in that the sensor special of this mensuration surfactant, it is characterized in that sensor is by concentric tubes, internal reference electrode and outer contrast electrode are whole to be constituted, be packaged with reference solution between the internal and external casing, internal reference electrode is packaged within the solution between the internal and external casing; Inner sleeve is communicated with the mensuration conduit, and outer contrast electrode is arranged within the conduit.
The inside and outside wall of the inner sleeve of the sensor special of described mensuration surfactant is provided with the active membrane coating.
The inside and outside contrast electrode of the sensor special of described mensuration surfactant links to each other with power supply by lead.
The outer tube of the sensor special of described mensuration surfactant is provided with filling opening.
The internal reference electrode of the sensor special of described mensuration surfactant is the filamentary silver that is provided with silver chloride coating.
Technical progress effect of the present utility model shows, active membrane partly has the strong characteristics of selectivity in the sensor, can measure dissimilar surfactants simultaneously, realize the mensuration respectively of dissimilar surfactants, helped adding up the influence that all kinds surfactant brings to environment.Be provided with internal reference electrode and outer contrast electrode in the chemical sensor provided by the invention simultaneously, make that test result is stable, favorable reproducibility.
Description of drawings
Fig. 1 is the structural representation of the utility model sensor special
1, conductor tube 2, coating 3, outer tube 4, filling opening 5, conduit 6, reference solution 7, internal reference electrode 8, lead 9, outer contrast electrode
Embodiment
Figure 1 shows that a kind of embodiment of the utility model sensor special, being about to internal reference electrode 7 is encapsulated in the reference solution 6 between teflon sleeve 3 and the inner sleeve 1, inner sleeve is communicated with mensuration conduit 5, outer contrast electrode 9 is packaged within the conduit 5, and inside and outside contrast electrode is connected with lead.In order to be applicable to the mensuration of dissimilar surfactants, at the inside and outside wall coating of inner sleeve coating layer of active substance 2 to negative ion, kation, non-ionics sensitivity.
In actual applications, standard sample and tested sample were flowed into by flow injection instruments or peristaltic pump by different passages in the conduit 5 of chemical sensor of the type that is complementary with it when chemical sensor was measured surfactant, active sensitive membrane on the chemical sensor and its reaction, produce electric signal, enter electrochemical measurement system by the signal acquiring system collection, through conversion of signals, carry out data processing by computing machine, and print result.
Claims (4)
1, measures the sensor special of surfactant, it is characterized in that sensor is by concentric tubes (3,1), internal reference electrode (7) and outer contrast electrode (9) are whole to be constituted, and is packaged with reference solution between the internal and external casing, and internal reference electrode (7) is packaged within the solution between the internal and external casing; Inner sleeve is communicated with mensuration conduit (5), and outer contrast electrode (9) is arranged within the conduit.
2, the sensor special of mensuration surfactant according to claim 1 is characterized in that the inside and outside wall of described inner sleeve is provided with active membrane coating (2).
3, the sensor special of mensuration surfactant according to claim 1 is characterized in that described inside and outside contrast electrode (7,9) links to each other with power supply by lead.
4, the sensor special of mensuration surfactant according to claim 1 is characterized in that described outer tube is provided with filling opening (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089195 CN2729719Y (en) | 2004-09-03 | 2004-09-03 | Special sensor for investigating surfactant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089195 CN2729719Y (en) | 2004-09-03 | 2004-09-03 | Special sensor for investigating surfactant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729719Y true CN2729719Y (en) | 2005-09-28 |
Family
ID=35048494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420089195 Expired - Fee Related CN2729719Y (en) | 2004-09-03 | 2004-09-03 | Special sensor for investigating surfactant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729719Y (en) |
-
2004
- 2004-09-03 CN CN 200420089195 patent/CN2729719Y/en not_active Expired - Fee Related
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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 |