CN107238641A - A kind of reference electrode system - Google Patents
A kind of reference electrode system Download PDFInfo
- Publication number
- CN107238641A CN107238641A CN201610181867.0A CN201610181867A CN107238641A CN 107238641 A CN107238641 A CN 107238641A CN 201610181867 A CN201610181867 A CN 201610181867A CN 107238641 A CN107238641 A CN 107238641A
- Authority
- CN
- China
- Prior art keywords
- permeable material
- electrode
- protective layer
- reference electrode
- electrode structure
- 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.)
- Pending
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- 239000000463 material Substances 0.000 claims abstract description 59
- 239000011241 protective layer Substances 0.000 claims abstract description 41
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910052753 mercury Inorganic materials 0.000 claims description 4
- -1 silver halide Chemical class 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 9
- 229910021607 Silver chloride Inorganic materials 0.000 description 7
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 238000009462 micro packaging Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- BQCADISMDOOEFD-YPZZEJLDSA-N silver-106 Chemical compound [106Ag] BQCADISMDOOEFD-YPZZEJLDSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/301—Reference electrodes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Inert Electrodes (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
The invention provides a kind of reference electrode structure, including shell, electrolyte solution, connecting wire, liquid network portion, in addition to electrode, permeable material and protective layer.Wherein, protective layer is located in electrolyte solution, protective layer parcel electrode and permeable material.
Description
Technical field
The present invention relates to a kind of composite construction reference system, more particularly to reference electrode system.
Background technology
The existing reference electrode of in the market has direct AgCl/Ag to be immersed in the Klorvess Liquid of silver chlorate saturation, and the reference electrode for having silver ion well structure is immersed in potassium chloride or strong electrolytic solution.The reference electrode system of the Klorvess Liquid of the silver chlorate saturation of simple AgCl/Ag immersions is not suitable for medicine and biological field is used, because Ag ion-solubilities are in sample solution, can cause the precipitation of the materials such as protein.The reference electrode for having silver ion well structure is immersed in potassium chloride or strong electrolytic solution, and the system is widely used, but manufactures complex, and electrode working life is shorter.
The content of the invention
The purpose of the present invention is to overcome the shortcomings of that reference system working life in high concentration potassium chloride or other strong electrolytic solutions is shorter in current existing electrode, a kind of structure is provided, extend its service life and stability under the working environment, be suitably applied bioscience or medicine and other fields.
A kind of reference electrode structure, including shell, electrolyte solution, connecting wire, liquid network portion, in addition to electrode, permeable material and protective layer.Wherein, the protective layer is located in the electrolyte solution, and the protective layer wraps up the electrode and the permeable material, and permeable material and electrolyte solution are accessible.
Further, the electrode is any one of following 3 kinds of materials：Silver and silver halide, mercury and mercury halide, iodine and iodide.
Further, the shell is glass tube or plastic tube, and the connecting wire is platinum filament or filamentary silver.
Further, the permeable material is the material for having micropore.
Further, the permeable material is ceramic core or Modal cotton or nylon.
Further, the electrode is parallel with the central shaft of the permeable material.
Further, the electrode is overlapped with the central shaft of the permeable material.
Further, the permeable material winds the electrode, or the electrode winds the permeable material.
Further, the length of the permeable material is more than or is less than or equal to the length of protective layer.
Further, a kind of reference electrode structure, including shell, electrolyte solution, connecting wire, liquid network portion, in addition to electrode and protective layer, the protective layer wrap up the electrode, and the protective layer is permeable material.
Reference electrode AgCl/Ag lines are encapsulated, new electrode structure is set to be contacted by permeable material with high concentration Klorvess Liquid, seepage velocity is controllable, so that AgCl dissolution velocity reduction, so as to greatly prolong the life-span of reference electrode, the invention is adapted to a variety of electrode structures, including but not limited to pH electrodes, ion-selective electrode, dissolved oxygen electrode, gas sensors electrode etc..
Brief description of the drawings
It is that they are included and constitute the part of the application, and accompanying drawing shows embodiments of the invention to provide further understanding of the invention including accompanying drawing, and plays a part of together with this specification explaining the principle of the invention.In accompanying drawing：
Fig. 1 shows the reference electrode structure one of the present invention.
Fig. 2 shows the reference electrode structure two of the present invention.
Fig. 3 shows the reference electrode structure three of the present invention.
Fig. 4 shows the reference electrode structure four of the present invention.
Embodiment
Fig. 1 shows the reference electrode structure one of the present invention.Reference electrode structure includes：Protective layer 101, permeable material 102, electrode 103, shell 104, electrolyte solution 105, platinum filament or filamentary silver 106, liquid network portion 107.Wherein, protective layer 101 is hollow structure, and in electrolyte solution 105, electrode 103 passes through permeable material 102, the cladding permeable material 102 of protective layer 101.Permeable material 102 is contacted with electrolyte solution 105.
Further, shell 104 is glass tube or plastic tube.
Further, electrode 103 is to overlap or parallel with the central shaft of permeable material 102, and electrode 103 can also be mutually intertwined with permeable material 102 using other modes, and such as permeable material 102 winds parcel electrode 103 in spiral form.
The length of electrode 103 is more than, less than or equal to the length of protective layer 101; the length of permeable material 102 can be more than, less than or equal to the length of protective layer 101; even if but the length of permeable material 102 be less than or equal to protective layer 101 length when, permeable material 102 still have part contact electrolyte solution 105.
Embodiments of the invention are described with detailed reference to accompanying drawing now.
Embodiment one：
Reference electrode structure includes：Protective layer 101, permeable material 102, electrode 103, glass tube 104, electrolyte solution 105, platinum filament 106, liquid network portion 107.Wherein, protective layer 101 is hollow structure, and in electrolyte solution 105, electrode 103 passes through permeable material 102, the cladding permeable material 102 of protective layer 101.Permeable material 102 is contacted with electrolyte solution 105.
Further, protective layer 101 is heat-shrinkable T bush, and electrode 102 is AgCl/Ag, permeable material 102 be nylon, ceramic core or other have the material of micropore.The length of electrode 102 is more than the length of protective layer 101.The length of permeable material 102 is less than the length of protective layer 101.
Further, electrode 103 can also be mutually intertwined with permeable material 102 using other modes, and such as permeable material 102 winds parcel electrode 103 in spiral form.
Further, the length of permeable material 102 can also be more than or equal to the length of protective layer 101.
The micropackaging system of example composition can be used in various electrodes, including but not limited to pH electrodes, ion-selective electrode, dissolved oxygen electrode, gas sensors electrode etc..
Embodiment two：
Reference electrode structure two of the invention with reference to shown in Fig. 2.
Reference electrode structure includes：Protective layer 201, permeable material 202, electrode 203, glass tube 204, electrolyte solution 205, platinum filament or filamentary silver 206, liquid network portion 207.Wherein, protective layer 201 is hollow structure, and in electrolyte solution 205, permeable material 202 is separated with electrode 203, the cladding permeable material 202 of protective layer 201 and electrode 203.Permeable material 202 is contacted with electrolyte solution 205.
Further, protective layer 201 is glass, and electrode 202 is AgCl/Ag, and permeable material 202 is ceramic core.The length of electrode 202 and the length of permeable material 202 are all higher than the length of protective layer 201.
In addition, the length of electrode 202 might be less that the length of protective layer 201, reference electrode structure three as shown in Figure 3.
In addition, the length of permeable material 202 can also be equal to or less than the length of protective layer 201.
The micropackaging system of example composition can be used in various electrodes, including but not limited to pH electrodes, ion-selective electrode, dissolved oxygen electrode, gas sensor etc..
Embodiment three：
Reference electrode structure four of the invention with reference to shown in Fig. 4.
Reference electrode structure includes：Protective layer 402, electrode 403, glass tube 404, electrolyte solution 405, filamentary silver 406, liquid network portion 407.Wherein, the parcel of protective layer 402 electrode 403, and in electrolyte solution 405.
Protective layer 402 is permeable material, and electrode 403 is AgCl/Ag.
Further, the protective layer 402 is Modal cotton.
The micropackaging system of example composition can be used in various electrodes, including but not limited to pH electrodes, ion-selective electrode, dissolved oxygen electrode, gas sensors electrode etc..
Those skilled in the art can be obvious, can carry out various modifications and variations without departing from the spirit and scope of the present invention to the above-mentioned example embodiment of the present invention.Accordingly, it is intended to make present invention covering fall modifications of the present invention and modification in the range of appended claims and its equivalent arrangements.
Claims (10)
1. a kind of reference electrode structure, including shell, electrolyte solution, connecting wire, liquid network portion, are also wrapped
Include electrode, permeable material and protective layer.Wherein, the protective layer is located in the electrolyte solution,
The protective layer wraps up the electrode and the permeable material, and permeable material is to connect with electrolyte solution
Tactile.
2. reference electrode structure as claimed in claim 1, the electrode is any in following 3 kinds of materials
It is a kind of：Silver and silver halide, mercury and mercury halide, iodine and iodide.
3. reference electrode structure as claimed in claim 1, the shell is glass tube or plastic tube, described
Connecting wire is platinum filament or filamentary silver.
4. reference electrode structure as claimed in claim 1, the permeable material is the material for having micropore
Material.
5. reference electrode structure as claimed in claim 3, the permeable material is ceramic core or not
Dai Ermian or nylon.
6. reference electrode structure as claimed in claim 1, the electrode and the center of the permeable material
Axle is parallel.
7. reference electrode structure as claimed in claim 1, the electrode and the center of the permeable material
Axle is to overlap.
8. reference electrode structure as claimed in claim 1, the permeable material winds the electrode, or
The electrode winds the permeable material.
9. reference electrode structure as claimed in claim 1, the length of the permeable material is more than or small
In or equal to protective layer length.
10. a kind of reference electrode structure, including shell, electrolyte solution, connecting wire, liquid network portion, are also wrapped
Electrode and protective layer are included, the protective layer wraps up the electrode, and the protective layer is permeable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181867.0A CN107238641A (en) | 2016-03-28 | 2016-03-28 | A kind of reference electrode system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181867.0A CN107238641A (en) | 2016-03-28 | 2016-03-28 | A kind of reference electrode system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107238641A true CN107238641A (en) | 2017-10-10 |
Family
ID=59983201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181867.0A Pending CN107238641A (en) | 2016-03-28 | 2016-03-28 | A kind of reference electrode system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107238641A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725037A (en) * | 2017-10-27 | 2019-05-07 | 拉碧斯半导体株式会社 | Reference electrode |
| CN110186968A (en) * | 2019-05-22 | 2019-08-30 | 哈尔滨工程大学 | Ag/AgF reference electrode and preparation method thereof suitable for fluoride molten salt |
| CN112525960A (en) * | 2019-09-19 | 2021-03-19 | Abb瑞士股份有限公司 | System comprising a pH/ORP electrode with improved anti-poisoning properties |
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| CN2205008Y (en) * | 1994-05-16 | 1995-08-09 | 中国科学院海洋研究所 | Reference eleectrode for steel bar reinforced concrete |
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| CN203299165U (en) * | 2013-05-24 | 2013-11-20 | 上海惠中医疗科技有限公司 | Reference electrode for blood gas electrolyte analyzer |
| CN204241414U (en) * | 2014-12-03 | 2015-04-01 | 上海仪电科学仪器股份有限公司 | A kind of Novel silver silver chloride reference system |
| CN105021682A (en) * | 2015-07-02 | 2015-11-04 | 浙江大学 | Needle-like chlorine ion sensor and preparation method thereof |
| CN206531812U (en) * | 2016-03-28 | 2017-09-29 | 梅特勒-托利多仪器（上海）有限公司 | A kind of reference electrode structure |
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2016
- 2016-03-28 CN CN201610181867.0A patent/CN107238641A/en active Pending
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| CN2205008Y (en) * | 1994-05-16 | 1995-08-09 | 中国科学院海洋研究所 | Reference eleectrode for steel bar reinforced concrete |
| CN2453440Y (en) * | 2000-12-15 | 2001-10-10 | 中国科学院南京土壤研究所 | High temp. reference electrode |
| CN2499828Y (en) * | 2001-06-28 | 2002-07-10 | 王梦城 | Micro pore composite end capping copper-saturated cupric sulfate |
| DE10305005A1 (en) * | 2003-02-07 | 2004-08-19 | Kurt-Schwabe-Institut für Meß- und Sensortechnik e.V. | Reference electrode, for use in chemical processes, has porous oxide ceramic hollow body and comprises solid materials entirely |
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| CN102047101A (en) * | 2008-03-28 | 2011-05-04 | 德克斯康公司 | Polymer membranes for continuous analyte sensors |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725037A (en) * | 2017-10-27 | 2019-05-07 | 拉碧斯半导体株式会社 | Reference electrode |
| CN109725037B (en) * | 2017-10-27 | 2023-01-03 | 拉碧斯半导体株式会社 | Reference electrode |
| CN110186968A (en) * | 2019-05-22 | 2019-08-30 | 哈尔滨工程大学 | Ag/AgF reference electrode and preparation method thereof suitable for fluoride molten salt |
| CN110186968B (en) * | 2019-05-22 | 2022-01-14 | 哈尔滨工程大学 | Ag/AgF reference electrode suitable for fluoride fused salt and preparation method thereof |
| CN112525960A (en) * | 2019-09-19 | 2021-03-19 | Abb瑞士股份有限公司 | System comprising a pH/ORP electrode with improved anti-poisoning properties |
| EP3795988A1 (en) * | 2019-09-19 | 2021-03-24 | ABB Schweiz AG | A system comprising ph/orp electrodes with improved anti-poisoning characteristics |
| US11719666B2 (en) | 2019-09-19 | 2023-08-08 | Abb Schweiz Ag | System comprising pH/ORP electrodes with improved anti-poisoning characteristics |
| CN112525960B (en) * | 2019-09-19 | 2024-01-09 | Abb瑞士股份有限公司 | System comprising a pH/ORP electrode with improved anti-poisoning properties |
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