CN2174706Y - Neutral carrier membrane pH electrode - Google Patents
Neutral carrier membrane pH electrode Download PDFInfo
- Publication number
- CN2174706Y CN2174706Y CN 93217925 CN93217925U CN2174706Y CN 2174706 Y CN2174706 Y CN 2174706Y CN 93217925 CN93217925 CN 93217925 CN 93217925 U CN93217925 U CN 93217925U CN 2174706 Y CN2174706 Y CN 2174706Y
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- CN
- China
- Prior art keywords
- electrode
- neutral carrier
- utility
- model
- silver
- 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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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses the pH electrode of the pH sensitive film of the polyvinyl chloride of the neutral carrier, comprising a neutral carrier film, an electrode pipe, a silver-silver chloride wire, standard buffer solution, an electrode lead wire and a plug. The utility model has the advantages of difficult crushing, hydrofluoric acid resistance, low resistance, short activation time, easy molding, good manufacturability, etc. The utility model is suitable for medicine, environmental protection, industrial production and scientific experiment.
Description
The utility model relates to a kind of synthetic neutral carrier film PH sensor, is adapted to especially use in medical science, environmental protection, commercial production and the scientific research.
Existing P H sensor is made up of glass-film as thin as a wafer, because its impedance height, easy broken and hydrofluoric acid resistant not, in the application of medical, commercial production and scientific research, is restricted, and soak time long (about 24 hours), make troubles to actual production.
The utility model is based on the composite PVC(Polyvinylchloride of a kind of neutral carrier active matter) sensitive membrane and a kind of difficult fragmentation of making; not corroded by hydrofluorite; impedance low (be ten thousand of glass-membrane electrode/), soak time short (about 0.5 hour) are adapted to the PH sensor that uses in medical science, environmental protection, commercial production and the scientific research.
The utility model is to realize like this, the plastifier of carrier mass, lipophilic soluble substance and the synthetic of synthetic is mixed, then this potpourri and the tetrahydrofuran compound that contains the PVC powder are mixed, the transparent mixture of gained is inclined to film forming on the glass plate, downcut the end that a film is bonded at the PVC plastic tube, the other end of pvc pipe connects silver-silver chloride silk and external electrode line, injects buffer solution in the pvc pipe and promptly constitutes neutral carrier film PH electrode.
The embodiment of utility model is provided by accompanying drawing.
Accompanying drawing is the sectional view of a kind of concrete structure of the present utility model.
Below in conjunction with the details of accompanying drawing detailed description according to the concrete device that the utility model proposes.
This device by neutral carrier PVC film (1), electrode tube (2), silver-silver chloride silk (3), in fill PH damping fluid (4), external electrode line (5) and electrode plug (6) and form, the pH value of system to be measured detects by the potential change of both sides inside and outside the neutral carrier film, the variation of current potential is directed to the input end of acidometer or ionometer by the silver-silver chloride silk, thereby detects the pH value of tested systems.
Embodiment
Present embodiment is that 2.5% neutral body carries with containing, 1% lipophilic soluble substance, 30% PVC(Polyvinylchloride), neutral carrier film (1) (1 millimeter of the thickness of 66.5% plastifier, 1 centimetre of diameter) sticking at long 10 centimetres, external diameter is that 1 centimetre, internal diameter are 0.6 centimetre polyvinyl chloride pipe (2) one ends, the other end inserts the silver-silver chloride silk (3) of 8 centimeter length, at the outer termination one dispatch from foreign news agency polar curve (5) and a plug (6) of silver-silver chloride silk.The responding range of electrode in PH standard buffer solution (4) is 1.5～13.2PH unit, response time T95% was less than 1 second, stability is 0.6～0.8 millivolt/10 hours, and membrane impedance is 30 kilo-ohms, and electrode is used for the blood of human body pH value and measures faster than the glass electrode response.It is consistent with acid base titration that electrode is used for the demarcation of hydrofluoric acid concentration, and glass electrode can't be demarcated hydrofluorite.Electrode is made third cave acid enzyme electrode as the interior electrode of carbon dioxide air-sensitive electrode, is medically measuring the third cave acid, and sensitivity is better than the enzyme electrode that glass PH electrode is made interior electrode.
Claims (1)
1, one by neutral carrier Polyvinylchloride PH sensitive membrane (1), electrode outer tube (pvc pipe) (2), silver-silver chloride silk (3), in fill the neutral carrier film PH electrode that PH damping fluid (4), external electrode line (5) and electrode plug (6) are formed, it is characterized in that Polyvinylchloride PH sensitive membrane and (1), (2), (3), (4), (5), (6) a kind of combination as the electrode of test PH system to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217925 CN2174706Y (en) | 1993-07-10 | 1993-07-10 | Neutral carrier membrane pH electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93217925 CN2174706Y (en) | 1993-07-10 | 1993-07-10 | Neutral carrier membrane pH electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2174706Y true CN2174706Y (en) | 1994-08-17 |
Family
ID=33797723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93217925 Expired - Fee Related CN2174706Y (en) | 1993-07-10 | 1993-07-10 | Neutral carrier membrane pH electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2174706Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230910A (en) * | 2011-06-15 | 2011-11-02 | 浙江大学 | N-butyl pyridine hexafluorophosphate-based membrane electrode and preparation method thereof |
| CN102914581A (en) * | 2011-08-05 | 2013-02-06 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Measuring transducer for determining a measured variable representing an activity of a target ion in a measured medium |
-
1993
- 1993-07-10 CN CN 93217925 patent/CN2174706Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230910A (en) * | 2011-06-15 | 2011-11-02 | 浙江大学 | N-butyl pyridine hexafluorophosphate-based membrane electrode and preparation method thereof |
| CN102230910B (en) * | 2011-06-15 | 2013-03-13 | 浙江大学 | N-butyl pyridine hexafluorophosphate-based membrane electrode and preparation method thereof |
| CN102914581A (en) * | 2011-08-05 | 2013-02-06 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Measuring transducer for determining a measured variable representing an activity of a target ion in a measured medium |
| CN102914581B (en) * | 2011-08-05 | 2014-12-17 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Measuring transducer for determining a measured variable representing an activity of a target ion in a measured medium |
| US9091642B2 (en) | 2011-08-05 | 2015-07-28 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Measuring transducer for determining a measured variable representing an activity of a target ion in a measured medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Song Xiangning Document name: Notice of termination |
|
| 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 |