CA1170722A - Potentiometric electrode - Google Patents
Potentiometric electrodeInfo
- Publication number
- CA1170722A CA1170722A CA000390648A CA390648A CA1170722A CA 1170722 A CA1170722 A CA 1170722A CA 000390648 A CA000390648 A CA 000390648A CA 390648 A CA390648 A CA 390648A CA 1170722 A CA1170722 A CA 1170722A
- Authority
- CA
- Canada
- Prior art keywords
- electrode
- solution
- physical contact
- couple
- sample solution
- 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
Links
- 230000002441 reversible effect Effects 0.000 claims abstract description 23
- 239000000243 solution Substances 0.000 claims description 71
- 239000012488 sample solution Substances 0.000 claims description 59
- 230000000694 effects Effects 0.000 claims description 57
- 239000012528 membrane Substances 0.000 claims description 44
- 150000002500 ions Chemical class 0.000 claims description 32
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 18
- WRTMQOHKMFDUKX-UHFFFAOYSA-N triiodide Chemical compound I[I-]I WRTMQOHKMFDUKX-UHFFFAOYSA-N 0.000 claims description 18
- 210000004379 membrane Anatomy 0.000 claims 27
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims 9
- 239000007853 buffer solution Substances 0.000 claims 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 30
- 239000000872 buffer Substances 0.000 abstract description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 11
- 230000004044 response Effects 0.000 abstract description 8
- 229910052697 platinum Inorganic materials 0.000 abstract description 3
- 229910000510 noble metal Inorganic materials 0.000 abstract description 2
- 238000009877 rendering Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 241000894007 species Species 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910021607 Silver chloride Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000008363 phosphate buffer Substances 0.000 description 4
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910002319 LaF3 Inorganic materials 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006903 response to temperature Effects 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 description 1
- DFQMKYUSAALDDY-MQEBUAKTSA-N trinactin Chemical compound C[C@@H]([C@@H]1CC[C@@H](O1)C[C@H](OC(=O)[C@H](C)[C@H]1CC[C@H](O1)C[C@H](CC)OC(=O)[C@@H](C)[C@@H]1CC[C@@H](O1)C[C@@H](CC)OC(=O)[C@@H]1C)CC)C(=O)O[C@@H](C)C[C@@H]2CC[C@H]1O2 DFQMKYUSAALDDY-MQEBUAKTSA-N 0.000 description 1
- DFQMKYUSAALDDY-UHFFFAOYSA-N trinactin Natural products CC1C(=O)OC(CC)CC(O2)CCC2C(C)C(=O)OC(CC)CC(O2)CCC2C(C)C(=O)OC(CC)CC(O2)CCC2C(C)C(=O)OC(C)CC2CCC1O2 DFQMKYUSAALDDY-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-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
- G01N27/36—Glass electrodes
Landscapes
- 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)
- Hybrid Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21135180A | 1980-11-28 | 1980-11-28 | |
| US211,351 | 1980-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1170722A true CA1170722A (en) | 1984-07-10 |
Family
ID=22786570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000390648A Expired CA1170722A (en) | 1980-11-28 | 1981-11-23 | Potentiometric electrode |
Country Status (11)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940849U (ja) * | 1982-09-07 | 1984-03-15 | 電気化学計器株式会社 | 残留塩素測定装置 |
| CH661799A5 (de) * | 1983-06-21 | 1987-08-14 | Proton Ag | Temperaturunabhaengige einstabmesskette fuer potentiometrische messungen. |
| US4608148A (en) * | 1984-11-13 | 1986-08-26 | Allied Corporation | Combination pH/reference electrode with improved temperature response |
| AU610378B2 (en) * | 1988-04-13 | 1991-05-16 | Unisearch Limited | Multi-cell potentiometric sensing device |
| US5286365A (en) * | 1992-01-15 | 1994-02-15 | Beckman Instruments, Inc. | Graphite-based solid state polymeric membrane ion-selective electrodes |
| DE4302323C2 (de) * | 1993-01-28 | 1998-11-26 | Inst Chemo Biosensorik | Langlebige miniaturisierbare Referenzelektrode |
| GB9802288D0 (en) * | 1998-02-04 | 1998-04-01 | Eastman Kodak Co | pH electrode arrangement |
| DE10151867A1 (de) * | 2001-10-24 | 2003-05-08 | Conducta Endress & Hauser | Vorrichtung zur Bestimmung und/oder Überwachung des pH-Wertes eines Mediums |
| DE102006012799B4 (de) * | 2006-03-15 | 2008-01-24 | Schott Instruments Gmbh | Potentiometrische Messkette |
| US8366895B2 (en) | 2006-03-23 | 2013-02-05 | Hach Company | Differential pH probe |
| WO2009055258A2 (en) * | 2007-10-22 | 2009-04-30 | Hach Company | Ionic probe |
| DE102007063119A1 (de) * | 2007-12-22 | 2009-06-25 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Differenzsensor zur pH-Messung |
| EP2335061B1 (en) | 2008-08-25 | 2019-02-27 | Nxp B.V. | Reducing capacitive charging in an electrode comprising a heater |
| DE102015118581A1 (de) | 2015-10-30 | 2017-05-04 | Endress+Hauser Conducta Gmbh+Co. Kg | Ionenselektive potentiometrische Messkette |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1297359B (de) * | 1962-06-06 | 1969-06-12 | Ingold W Dr Kg | Elektrodenmesskette zur potentiometrischen Bestimmung von Ionen-Konzentrationen |
| DE1498911B2 (de) * | 1964-10-29 | 1971-06-03 | Gebr Moller, Glasbläserei, Zurich (Schweiz) | Glaselektroden messkette insbesondere zur ph messung |
| DE2547629B1 (de) * | 1975-10-24 | 1976-11-25 | Licentia Gmbh | Platinelektrode zum elektrochemischen nachweis von kohlenmonoxid in luft, wobei die elektrode in einem elektrolyten angeordnet ist |
| CH604167A5 (enrdf_load_stackoverflow) * | 1976-05-19 | 1978-08-31 | Eastman Kodak Co | |
| CH620298A5 (en) * | 1977-11-01 | 1980-11-14 | Proton Ag | Measuring electrode for measuring ions in solutions |
-
1981
- 1981-11-20 DE DE19813146066 patent/DE3146066A1/de active Granted
- 1981-11-23 NL NLAANVRAGE8105289,A patent/NL183676C/xx not_active IP Right Cessation
- 1981-11-23 CA CA000390648A patent/CA1170722A/en not_active Expired
- 1981-11-26 GB GB8135644A patent/GB2088565B/en not_active Expired
- 1981-11-27 CH CH7630/81A patent/CH652827A5/de not_active IP Right Cessation
- 1981-11-27 NO NO814058A patent/NO814058L/no unknown
- 1981-11-27 FR FR8122303A patent/FR2495325A1/fr active Granted
- 1981-11-27 AU AU77972/81A patent/AU542612B2/en not_active Expired
- 1981-11-27 JP JP56190456A patent/JPS57116245A/ja active Granted
- 1981-11-27 DK DK527181A patent/DK158680C/da active
- 1981-11-27 SE SE8107106A patent/SE460623B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6351503B2 (enrdf_load_stackoverflow) | 1988-10-14 |
| NL183676C (nl) | 1988-12-16 |
| NO814058L (no) | 1982-06-01 |
| NL8105289A (nl) | 1982-06-16 |
| SE460623B (sv) | 1989-10-30 |
| JPS57116245A (en) | 1982-07-20 |
| DK158680C (da) | 1990-12-31 |
| FR2495325B1 (enrdf_load_stackoverflow) | 1985-01-25 |
| DE3146066A1 (de) | 1982-06-09 |
| DK527181A (da) | 1982-05-29 |
| SE8107106L (sv) | 1982-05-29 |
| GB2088565B (en) | 1984-09-05 |
| FR2495325A1 (fr) | 1982-06-04 |
| GB2088565A (en) | 1982-06-09 |
| AU7797281A (en) | 1982-06-03 |
| AU542612B2 (en) | 1985-02-28 |
| DK158680B (da) | 1990-07-02 |
| NL183676B (nl) | 1988-07-18 |
| CH652827A5 (de) | 1985-11-29 |
| DE3146066C2 (enrdf_load_stackoverflow) | 1988-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20010710 |