DE2808165A1 - Spannungsstabilisiert betriebener festpolymerelektrolyt-gasmessfuehler mit drei elektroden und mit hoechst temperaturunabhaengigen grundstromeigenschaften bei null-luft betrieb - Google Patents
Spannungsstabilisiert betriebener festpolymerelektrolyt-gasmessfuehler mit drei elektroden und mit hoechst temperaturunabhaengigen grundstromeigenschaften bei null-luft betriebInfo
- Publication number
- DE2808165A1 DE2808165A1 DE19782808165 DE2808165A DE2808165A1 DE 2808165 A1 DE2808165 A1 DE 2808165A1 DE 19782808165 DE19782808165 DE 19782808165 DE 2808165 A DE2808165 A DE 2808165A DE 2808165 A1 DE2808165 A1 DE 2808165A1
- Authority
- DE
- Germany
- Prior art keywords
- electrodes
- electrode
- membrane
- detection
- solid polymer
- 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.)
- Withdrawn
Links
- 239000005518 polymer electrolyte Substances 0.000 title claims description 32
- 239000007787 solid Substances 0.000 title claims description 32
- 239000012528 membrane Substances 0.000 claims description 68
- 238000001514 detection method Methods 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000003197 catalytic effect Effects 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 11
- 239000003014 ion exchange membrane Substances 0.000 claims description 8
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000012159 carrier gas Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 19
- 229910002091 carbon monoxide Inorganic materials 0.000 description 19
- 238000007254 oxidation reaction Methods 0.000 description 19
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 19
- 230000003647 oxidation Effects 0.000 description 18
- -1 NC> 2 Chemical compound 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052741 iridium Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000036571 hydration Effects 0.000 description 6
- 238000006703 hydration reaction Methods 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011244 liquid electrolyte Substances 0.000 description 5
- 238000005342 ion exchange Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000005341 cation exchange Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 208000001408 Carbon monoxide poisoning Diseases 0.000 description 2
- 229910000575 Ir alloy Inorganic materials 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000000887 hydrating effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910000457 iridium oxide Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000566 Platinum-iridium alloy Inorganic materials 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical compound Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 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
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77301277A | 1977-02-28 | 1977-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2808165A1 true DE2808165A1 (de) | 1978-08-31 |
Family
ID=25096911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782808165 Withdrawn DE2808165A1 (de) | 1977-02-28 | 1978-02-25 | Spannungsstabilisiert betriebener festpolymerelektrolyt-gasmessfuehler mit drei elektroden und mit hoechst temperaturunabhaengigen grundstromeigenschaften bei null-luft betrieb |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS53118099A (enrdf_load_html_response) |
| DE (1) | DE2808165A1 (enrdf_load_html_response) |
| FR (1) | FR2382011A1 (enrdf_load_html_response) |
| GB (1) | GB1597413A (enrdf_load_html_response) |
| IT (1) | IT1094165B (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3033796A1 (de) * | 1980-09-09 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Elektrochemischer sensor zum nachweis reduzierender gase, insbesondere von kohlenmonoxid, hydrazin und wasserstoff in luft |
| FR2565691A1 (fr) * | 1984-06-08 | 1985-12-13 | Icare Sa | Capteur electrocatalytique destine a la detection des vapeurs d'ethanol diluees dans l'air pulmonaire |
| DE3532674A1 (de) * | 1985-09-13 | 1987-03-26 | Licentia Gmbh | Elektrochemische dreielektrodenzelle zum messen von stickoxiden |
| DE4302323C2 (de) * | 1993-01-28 | 1998-11-26 | Inst Chemo Biosensorik | Langlebige miniaturisierbare Referenzelektrode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2436261B2 (de) * | 1974-07-27 | 1976-11-25 | Bayer Ag, 5090 Leverkusen | Elektrochemische gasdetektoren |
| DE2155935B2 (de) * | 1970-11-10 | 1979-06-21 | Energetics Science Inc., New York, N.Y. (V.St.A.) | Vorrichtung zum Nachweisen und zur quantitativen Bestimmung gasförmiger Verunreinigungen in einem Gasgemisch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449233A (en) * | 1966-11-10 | 1969-06-10 | Fischer & Porter Co | Fluoride analyzer |
| US3909386A (en) * | 1970-11-10 | 1975-09-30 | Energetics Science | Gas detector unit |
| US3824168A (en) * | 1970-11-10 | 1974-07-16 | Energetics Science | Gas detecting and quantitative measuring device |
| FR2270584A1 (en) * | 1974-05-07 | 1975-12-05 | Energetics Science | Appts for detecting measuring nitrogen oxides |
| US4025412A (en) * | 1975-12-04 | 1977-05-24 | General Electric Company | Electrically biased two electrode, electrochemical gas sensor with a H.sub.2 |
| US4171253A (en) * | 1977-02-28 | 1979-10-16 | General Electric Company | Self-humidifying potentiostated, three-electrode hydrated solid polymer electrolyte (SPE) gas sensor |
-
1978
- 1978-02-24 IT IT20582/78A patent/IT1094165B/it active
- 1978-02-25 DE DE19782808165 patent/DE2808165A1/de not_active Withdrawn
- 1978-02-28 FR FR7805646A patent/FR2382011A1/fr active Granted
- 1978-02-28 GB GB7820/78A patent/GB1597413A/en not_active Expired
- 1978-02-28 JP JP2166378A patent/JPS53118099A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2155935B2 (de) * | 1970-11-10 | 1979-06-21 | Energetics Science Inc., New York, N.Y. (V.St.A.) | Vorrichtung zum Nachweisen und zur quantitativen Bestimmung gasförmiger Verunreinigungen in einem Gasgemisch |
| DE2436261B2 (de) * | 1974-07-27 | 1976-11-25 | Bayer Ag, 5090 Leverkusen | Elektrochemische gasdetektoren |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7820582A0 (it) | 1978-02-24 |
| FR2382011A1 (fr) | 1978-09-22 |
| JPS53118099A (en) | 1978-10-16 |
| FR2382011B1 (enrdf_load_html_response) | 1983-05-20 |
| IT1094165B (it) | 1985-07-26 |
| GB1597413A (en) | 1981-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination | ||
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G01N 27/56 |
|
| 8180 | Miscellaneous part 1 |
Free format text: IN HEFT 21/85, SEITE 4229, SP. 1: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |
|
| 8130 | Withdrawal |