CN205229096U - PVC membrane ion selective electrode structure - Google Patents
PVC membrane ion selective electrode structure Download PDFInfo
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- CN205229096U CN205229096U CN201520998593.5U CN201520998593U CN205229096U CN 205229096 U CN205229096 U CN 205229096U CN 201520998593 U CN201520998593 U CN 201520998593U CN 205229096 U CN205229096 U CN 205229096U
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Abstract
The utility model provides a PVC membrane ion selective electrode structure, it includes electrode shell (1) and PVC membrane (2), solution (3) dress is in electrode shell (1) inner chamber in the electrode, and electrode shell (1) inner chamber, its characterized in that are lived in the one end shutoff of PVC membrane (2) dress in electrode shell (1) inner chamber: PVC membrane (2) are located electrode shell (2) inner chamber one side and hug closely and have PVC membrane baffle (4). The utility model provides a PVC membrane ion selective electrode structure, it is through increasing PVC membrane baffle between PVC membrane and electrode shell, prevents that the electrode from placing the damage that back PVC membrane caves in and leads to naturally for a long time.
Description
Technical field
The utility model belongs to species analysis Instrument technology field, specifically just relates to a kind of PVC film ion-selective electrode structure.
Background technology
Ion-selective electrode is also known as ion electrode.That a class utilizes film potential to measure the electrochemical sensor of effects of ion activity or concentration.Within 1906, studied the earliest by silent in R. gram, the glass electrode of the measurement solution PH be made up of people such as German Habers (F.Harber) is subsequently the first ion-selective electrode, to the end of the sixties, and the existing kind more than 20 of kind of ion-selective electrode.Ion-selective electrode has the activity of certain specific ion in solution is changed into the ability of certain potentials, and in its current potential and solution, the logarithm of given ion activity is linear.Ion-selective electrode is membrane electrode, and its core component is the sense film of eletrode tip.Solid film electrode, liquid membrane electrode and septum electrode can be divided into by structure.Ion selective electrode method is the branch of potentiometric analysis, is generally used for direct potentiometric method, also can be used for potentiometric titration.The feature of this method is: mensuration be activity instead of the total concentration of specific ion in solution; Rapidly easy to use, applied range, is particularly useful for the mensuration to alkaline metal, nitrate ion etc.; Not by the impact of test solution color, turbidity etc., be particularly suitable for water quality automatic monitor for continuously and on-the site analysis.
Liquid membrane electrode take liquid film as the electrode of sensitive membrane.When the excellent induction substance being insoluble in water cannot be made, the salt of metallo-chelate is dissolved in inactive organic solvent, then makes concrete dynamic modulus film.Wherein a class ion-exchange liquids film is using the condensate of ion-exchange fund amount ion to be measured as sensitive materials; Another kind of neutral carrier membrane is using the complex compound of electroneutral molecule and alkali metal ion as sensitive materials.Liquid membrane electrode operation is cumbersome, and because porous separator material likely comes off in sense film lentamente, thus the life-span is shorter, need regularly replace film.
Liquid membrane electrode common in the market, using PVC as base material, selects suitable plastifier, adds corresponding ionophore, sticks at pvc pipe end, selects silver/silver chloride electrode to be internal reference electrode, makes PVC ion-selective electrode.This PVC ion-selective electrode is easy to use, is widely used in potassium, calcium, nitrate radical, fluoboric acid root, perchlorate, ammonium ion, the measurement of the water sample ion concentrations such as surfactant.But after this kind of electrode finished product is placed for a long time, generally there is the phenomenon that PVC film caves in, and PVC film made of soft, therefore very easily damaged.
Utility model content
The purpose of this utility model is exactly place rear PVC film for a long time for existing ion electrode naturally to cave in and cause damaged technological deficiency, a kind of PVC film ion-selective electrode structure is provided, it by increasing PVC film baffle plate between PVC film and electrode shell, prevents electrode from placing rear PVC film for a long time and naturally to cave in the breakage caused.Technical scheme
In order to realize above-mentioned technical purpose, a kind of PVC film ion-selective electrode structure of the utility model design, it comprises electrode shell and PVC film, in electrode, solution is contained in electrode shell inner chamber, PVC film one end be contained in electrode shell inner chamber blocks electrode shell inner chamber, it is characterized in that: described PVC film is positioned at electrode shell inner chamber side and is glued with PVC film baffle plate.
Further, described PVC film baffle plate is a round plastic plate, it is evenly distributed with some apertures.
Further, described hole diameter is 1mm.
Further, described electrode shell makes material is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene.
Further, described PVC film baffle plate makes material is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene.
Beneficial effect
The utility model provides a kind of PVC film ion-selective electrode structure, and it by increasing PVC film baffle plate between PVC film and electrode shell, prevents electrode from placing rear PVC film for a long time and naturally to cave in the breakage caused.
Accompanying drawing explanation
Accompanying drawing 1 is the product figure of the utility model embodiment.
Accompanying drawing 2 is exploded views of the utility model embodiment.
Accompanying drawing 3 is PVC film baffle arrangement figure in this practicality giggle peaceful embodiment.
Embodiment
Below in conjunction with in accompanying drawing and enforcement, the utility model is described further.
Embodiment
As accompanying drawing 1, shown in 2 and 3, a kind of PVC film ion-selective electrode structure, it comprises electrode shell 1 and PVC film 2, in electrode, solution 3 is contained in electrode shell 1 inner chamber, PVC film 2 one end be contained in electrode shell 1 inner chamber blocks electrode shell 1 inner chamber, it is characterized in that: described PVC film 2 is positioned at electrode shell 2 inner chamber side and is glued with PVC film baffle plate 4.
Described PVC film baffle plate 4 is a round plastic plate, it is evenly distributed with some apertures.To ensure that in electrode, solution 3 fully contacts with PVC film 2.PVC film baffle plate 4 needs and electrode shell 1, PVC film 2 close adhesion, ensures that Long-Time Service oozes out without interior solution,
Described hole diameter is 1mm.
It is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene that described electrode shell 1 makes material.Electrode shell 1 can resist the corrosion of the common inorganic solution of pH scope within 0 ~ 14, can be keep good physical strength not fragile within 0-100 DEG C in temperature.
It is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene that described PVC film baffle plate 4 makes material.
The utility model provides a kind of PVC film ion-selective electrode structure, and it by increasing PVC film baffle plate between PVC film and electrode shell, prevents electrode from placing rear PVC film for a long time and naturally to cave in the breakage caused.
Claims (5)
1. a PVC film ion-selective electrode structure, it comprises electrode shell (1) and PVC film (2), in electrode, solution (3) is contained in electrode shell (1) inner chamber, PVC film (2) one end be contained in electrode shell (1) inner chamber blocks electrode shell (1) inner chamber, it is characterized in that: described PVC film (2) is positioned at electrode shell (2) inner chamber side and is glued with PVC film baffle plate (4).
2. a kind of PVC film ion-selective electrode structure as claimed in claim 1, is characterized in that: described PVC film baffle plate (4) is a round plastic plate, it is evenly distributed with some apertures.
3. a kind of PVC film ion-selective electrode structure as claimed in claim 2, is characterized in that: described hole diameter is 1mm.
4. a kind of PVC film ion-selective electrode structure as claimed in claim 1, is characterized in that: it is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene that described electrode shell (1) makes material.
5. a kind of PVC film ion-selective electrode structure as claimed in claim 1, is characterized in that: it is polycarbonate or tygon or Polyvinylchloride or epoxy resin or polyoxymethylene or polyphenylene sulfide or organic glass or polypropylene that described PVC film baffle plate (4) makes material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998593.5U CN205229096U (en) | 2015-12-03 | 2015-12-03 | PVC membrane ion selective electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998593.5U CN205229096U (en) | 2015-12-03 | 2015-12-03 | PVC membrane ion selective electrode structure |
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| Publication Number | Publication Date |
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| CN205229096U true CN205229096U (en) | 2016-05-11 |
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| CN201520998593.5U Active CN205229096U (en) | 2015-12-03 | 2015-12-03 | PVC membrane ion selective electrode structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596679A (en) * | 2016-12-22 | 2017-04-26 | 苏州科技大学 | Method for preparing triiodide ion specific electrode |
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2015
- 2015-12-03 CN CN201520998593.5U patent/CN205229096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596679A (en) * | 2016-12-22 | 2017-04-26 | 苏州科技大学 | Method for preparing triiodide ion specific electrode |
| CN106596679B (en) * | 2016-12-22 | 2019-01-29 | 苏州科技大学 | A kind of preparation method of Triiodide ion electrodes selective |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |