DE2621676C3 - Elektrochemischer Gasdetektor zum Nachweis von Gasspuren - Google Patents
Elektrochemischer Gasdetektor zum Nachweis von GasspurenInfo
- Publication number
- DE2621676C3 DE2621676C3 DE2621676A DE2621676A DE2621676C3 DE 2621676 C3 DE2621676 C3 DE 2621676C3 DE 2621676 A DE2621676 A DE 2621676A DE 2621676 A DE2621676 A DE 2621676A DE 2621676 C3 DE2621676 C3 DE 2621676C3
- Authority
- DE
- Germany
- Prior art keywords
- filter
- gas detector
- gas
- electrolyte
- electrochemical
- 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
- 238000001514 detection method Methods 0.000 title claims description 14
- 239000007789 gas Substances 0.000 claims description 61
- 238000009792 diffusion process Methods 0.000 claims description 29
- 238000001179 sorption measurement Methods 0.000 claims description 25
- 239000012071 phase Substances 0.000 claims description 17
- 239000011245 gel electrolyte Substances 0.000 claims description 12
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 11
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 10
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 9
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- NDACNGSDAFKTGE-UHFFFAOYSA-N 3-hydroxydiphenylamine Chemical compound OC1=CC=CC(NC=2C=CC=CC=2)=C1 NDACNGSDAFKTGE-UHFFFAOYSA-N 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 5
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 239000005711 Benzoic acid Substances 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002000 Electrolyte additive Substances 0.000 claims description 4
- 235000010233 benzoic acid Nutrition 0.000 claims description 4
- WXBLLCUINBKULX-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1.OC(=O)C1=CC=CC=C1 WXBLLCUINBKULX-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 4
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 claims description 4
- 229910000367 silver sulfate Inorganic materials 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 4
- 235000010234 sodium benzoate Nutrition 0.000 claims description 4
- 239000004299 sodium benzoate Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910000358 iron sulfate Inorganic materials 0.000 claims 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 14
- 239000003153 chemical reaction reagent Substances 0.000 description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- 239000003365 glass fiber Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 239000012876 carrier material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000012494 Quartz wool Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JXBUOZMYKQDZFY-UHFFFAOYSA-N 4-hydroxybenzene-1,3-disulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C=C1S(O)(=O)=O JXBUOZMYKQDZFY-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000002270 phosphoric acid ester group Chemical group 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
- Y10T436/178459—Only nitrogen dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/18—Sulfur containing
- Y10T436/182—Organic or sulfhydryl containing [e.g., mercaptan, hydrogen, sulfide, etc.]
- Y10T436/184—Only hydrogen sulfide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/18—Sulfur containing
- Y10T436/186—Sulfur dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/19—Halogen containing
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)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2621676A DE2621676C3 (de) | 1976-05-15 | 1976-05-15 | Elektrochemischer Gasdetektor zum Nachweis von Gasspuren |
| US05/791,126 US4141800A (en) | 1976-05-15 | 1977-04-25 | Electrochemical gas detector and method of using same |
| GB19771/77A GB1538841A (en) | 1976-05-15 | 1977-05-11 | Electrochemical gas detector for the detection of gas traces |
| CH590677A CH614780A5 (enExample) | 1976-05-15 | 1977-05-11 | |
| NL7705273A NL7705273A (nl) | 1976-05-15 | 1977-05-12 | Elektrochemische gasdetector voor het aantonen van sporen van een gas. |
| SE7705570A SE7705570L (sv) | 1976-05-15 | 1977-05-12 | Elektrokemisk gasdetektor for pavisande av gas i sparmengder |
| CA278,335A CA1083220A (en) | 1976-05-15 | 1977-05-13 | Electrochemical gas detector for the detection of gas traces |
| BE2055905A BE854583A (fr) | 1976-05-15 | 1977-05-13 | Detecteur electrochimique pour detecter les traces de gaz |
| IE979/77A IE45057B1 (en) | 1976-05-15 | 1977-05-13 | An electrochemical gas detector for the detection of gas traces |
| FR7714738A FR2351410A1 (fr) | 1976-05-15 | 1977-05-13 | Detecteur electrochimique pour detecter les traces de gaz |
| JP5447077A JPS5474493A (en) | 1976-05-15 | 1977-05-13 | Electrochemical gas detector for detecting minute amount of gas |
| IT23584/77A IT1077129B (it) | 1976-05-15 | 1977-05-13 | Rivelatore elettrochimico di gas per dimostrare la presenza di tracce di gas |
| LU77329A LU77329A1 (enExample) | 1976-05-15 | 1977-05-13 | |
| DK212177A DK212177A (da) | 1976-05-15 | 1977-05-13 | Elektrokemisk gasdetektor til pavisning af gasspor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2621676A DE2621676C3 (de) | 1976-05-15 | 1976-05-15 | Elektrochemischer Gasdetektor zum Nachweis von Gasspuren |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2621676A1 DE2621676A1 (de) | 1977-11-24 |
| DE2621676B2 DE2621676B2 (de) | 1978-04-27 |
| DE2621676C3 true DE2621676C3 (de) | 1979-01-11 |
Family
ID=5978067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2621676A Expired DE2621676C3 (de) | 1976-05-15 | 1976-05-15 | Elektrochemischer Gasdetektor zum Nachweis von Gasspuren |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4141800A (enExample) |
| JP (1) | JPS5474493A (enExample) |
| BE (1) | BE854583A (enExample) |
| CA (1) | CA1083220A (enExample) |
| CH (1) | CH614780A5 (enExample) |
| DE (1) | DE2621676C3 (enExample) |
| DK (1) | DK212177A (enExample) |
| FR (1) | FR2351410A1 (enExample) |
| GB (1) | GB1538841A (enExample) |
| IE (1) | IE45057B1 (enExample) |
| IT (1) | IT1077129B (enExample) |
| LU (1) | LU77329A1 (enExample) |
| NL (1) | NL7705273A (enExample) |
| SE (1) | SE7705570L (enExample) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2627487A1 (de) * | 1976-06-18 | 1977-12-29 | Bayer Ag | Elektrochemischer nachweis von phosgen in gasgemischen |
| DE2812613C2 (de) * | 1978-03-22 | 1983-12-15 | Bayer Ag, 5090 Leverkusen | Elektrochemische Zelle |
| JPS5555753U (enExample) * | 1978-10-12 | 1980-04-15 | ||
| US4236307A (en) * | 1978-11-02 | 1980-12-02 | Johnson Controls Inc. | Method of making a nitrogen dioxide sensing element |
| DE2849209C2 (de) * | 1978-11-13 | 1983-02-03 | Hans-Jürgen 4630 Bochum Gräbner | Elektrochemische Diffussionsmeßzelle |
| US4184937A (en) * | 1978-12-26 | 1980-01-22 | Catalyst Research Corporation | Electrochemical cell for the detection of chlorine |
| 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 |
| GB2083631A (en) * | 1980-09-09 | 1982-03-24 | Auergesellschaft Gmbh | Filter arrangement for diffusion gas composition measurement head |
| DE3129680A1 (de) * | 1981-07-28 | 1983-02-17 | Bayer Ag, 5090 Leverkusen | Messeinrichtung zur analytischen bestimmung eines gaspartialdruckes |
| US4445999A (en) * | 1982-03-01 | 1984-05-01 | General Motors Corporation | Method of manufacturing gel electrode for early detection of metal fatigue |
| US4522690A (en) * | 1983-12-01 | 1985-06-11 | Honeywell Inc. | Electrochemical sensing of carbon monoxide |
| JPH0623725B2 (ja) * | 1985-12-25 | 1994-03-30 | 日本特殊陶業株式会社 | ガスセンサの調整法 |
| DE3609402A1 (de) * | 1986-03-20 | 1987-09-24 | Bayer Diagnostic & Electronic | Verfahren zur herstellung elektrochemischer gassensoren |
| EP0316380B1 (en) * | 1987-05-15 | 1991-09-18 | National Research Development Corporation | Electrochemical sensor with solid phase electrolyte |
| US4900405A (en) * | 1987-07-15 | 1990-02-13 | Sri International | Surface type microelectronic gas and vapor sensor |
| DE4128494A1 (de) * | 1991-08-28 | 1993-03-04 | Bayer Ag | Elektrochemischer sensor |
| DE4232295C2 (de) * | 1992-09-26 | 1996-03-14 | Draegerwerk Ag | Elektrochemischer Gassensor mit scheibenförmigen Elektroden, die gleichzeitig elektrische Kontaktzuführungen sind |
| US5879526A (en) * | 1994-11-08 | 1999-03-09 | Robert Bosch Gmbh | Electrochemical measuring sensor for determining nitrogen oxides in gas mixtures |
| DE19517144C1 (de) * | 1995-05-10 | 1996-07-04 | Draegerwerk Ag | Filter für elektrochemische Meßzelle |
| FR2735037B1 (fr) * | 1995-06-07 | 1997-09-19 | Ind De Construction D App Et R | Filtre a gaz selectif pour le dosage quantitatif et qualitatif de gaz toxique |
| JPH1071150A (ja) * | 1996-07-03 | 1998-03-17 | Nippon Koden Corp | 生体内ガスセンサ |
| DE19708038C2 (de) * | 1997-02-28 | 2000-03-09 | Draegerwerk Ag | Elektrochemische Meßzelle zum Nachweis von Phosgen |
| US6001240A (en) * | 1997-07-02 | 1999-12-14 | Mine Safety Appliances Company | Electrochemical detection of hydrogen cyanide |
| CA2245050C (en) * | 1997-09-11 | 2000-09-05 | Kehoe Component Sales Inc. Dba Pace Electronic Products Inc. | Three-electrode electrochemical gas sensor |
| CA2215108C (en) * | 1997-09-11 | 1999-10-26 | Senco Sensors Inc. | Electrochemical gas sensor |
| CA2309646C (en) * | 1997-11-10 | 2004-04-20 | Central Research Laboratories Limited | A gas sensor |
| GB2335043B (en) * | 1998-03-04 | 2002-05-22 | Eev Ltd | Gas sensors |
| DE19832395C1 (de) * | 1998-07-18 | 1999-11-25 | Draeger Sicherheitstech Gmbh | Elektrochemische Meßzelle zum Nachweis von Hydridgasen |
| CA2255472C (en) * | 1998-12-10 | 2005-02-22 | Senco Sensors Inc. | Electrochemical gas sensor with gas communication means |
| AUPP934799A0 (en) * | 1999-03-22 | 1999-04-15 | Bush, Richard | Apparatus for anlaysing reduced inorganic sulfur |
| US6284545B1 (en) * | 1999-03-24 | 2001-09-04 | Industrial Scientific Corporation | Filter for gas sensor |
| US6248224B1 (en) * | 1999-05-12 | 2001-06-19 | Mst Analytics Inc. | Toxic sensor and method of manufacture |
| WO2003092090A2 (de) * | 2002-04-25 | 2003-11-06 | Pemeas Gmbh | Mehrschichtige elektrolytmembran |
| US6840084B2 (en) * | 2002-07-24 | 2005-01-11 | Elena Nikolskaya | Gas monitoring system and method |
| DE10246461A1 (de) * | 2002-10-04 | 2004-04-15 | Celanese Ventures Gmbh | Protonenleitende Polymermembran enthaltend Polyazolblends und deren Anwendung in Brennstoffzellen |
| DE10301810A1 (de) * | 2003-01-20 | 2004-07-29 | Sartorius Ag | Membran-Elektroden-Einheit, Polymermembranen für eine Membran-Elektroden-Einheit und Polymerelektrolyt-Brennstoffzellen sowie Verfahren zur Herstellung derselben |
| US7771654B1 (en) * | 2006-09-07 | 2010-08-10 | Moore Randall P | Apparatus for monitoring gaseous components of a flue gas |
| US8961880B2 (en) * | 2008-07-14 | 2015-02-24 | The Aerospace Corporation | Polyaniline nanofiber-amine composite materials for phosgene detection |
| US8852950B2 (en) * | 2008-09-03 | 2014-10-07 | Testo Ag | Method and device for measuring NOx concentration using measurements of NOx and a second gas component |
| JP5491625B2 (ja) * | 2009-06-20 | 2014-05-14 | ビーエーエスエフ ソシエタス・ヨーロピア | 高分子ポリアゾールの製造方法 |
| WO2018010081A1 (en) | 2016-07-12 | 2018-01-18 | Honeywell International Inc. | Electrochemical gas sensor for detecting hydrogen cyanide gas |
| US11137368B2 (en) * | 2018-01-04 | 2021-10-05 | Lyten, Inc. | Resonant gas sensor |
| CN112105922B (zh) * | 2018-01-04 | 2024-09-03 | 利腾股份有限公司 | 谐振气体传感器 |
| CN109813779A (zh) * | 2019-02-01 | 2019-05-28 | 荆州市爱尔瑞科技有限公司 | 一种电化学二氧化硫气体传感器 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3260656A (en) * | 1962-09-27 | 1966-07-12 | Corning Glass Works | Method and apparatus for electrolytically determining a species in a fluid |
| US3258415A (en) * | 1964-05-11 | 1966-06-28 | Union Carbide Corp | Oxygen analyzer and oxygen-depolarized cell therefor |
| US3510420A (en) * | 1967-04-24 | 1970-05-05 | Honeywell Inc | Polarographic cell with composite electrode-diffusion medium |
| US3857760A (en) * | 1968-07-08 | 1974-12-31 | Bayer Ag | Process of measuring the concentration of a dissociatable component in a gas and apparatus therefor |
| BE795681A (fr) * | 1972-02-21 | 1973-08-20 | Philips Nv | Cellule de mesure permettant de determiner la concentration en oxygene dans un melange gazeux |
| US3847777A (en) * | 1972-05-08 | 1974-11-12 | Instrumentation Labor Inc | Electrochemical analyzer |
| DE2247697A1 (de) * | 1972-09-28 | 1974-04-18 | Licentia Gmbh | Einrichtung zum quantitativen nachweis von schwefelwasserstoff, schwefeldioxid, stickstoffmonoxid und stickstoffdioxid |
| US3915831A (en) * | 1973-04-09 | 1975-10-28 | Orion Research | Hydrogen sulfide sensing cell |
| DE2436261B2 (de) * | 1974-07-27 | 1976-11-25 | Bayer Ag, 5090 Leverkusen | Elektrochemische gasdetektoren |
-
1976
- 1976-05-15 DE DE2621676A patent/DE2621676C3/de not_active Expired
-
1977
- 1977-04-25 US US05/791,126 patent/US4141800A/en not_active Expired - Lifetime
- 1977-05-11 CH CH590677A patent/CH614780A5/xx not_active IP Right Cessation
- 1977-05-11 GB GB19771/77A patent/GB1538841A/en not_active Expired
- 1977-05-12 NL NL7705273A patent/NL7705273A/xx not_active Application Discontinuation
- 1977-05-12 SE SE7705570A patent/SE7705570L/ not_active Application Discontinuation
- 1977-05-13 DK DK212177A patent/DK212177A/da unknown
- 1977-05-13 CA CA278,335A patent/CA1083220A/en not_active Expired
- 1977-05-13 LU LU77329A patent/LU77329A1/xx unknown
- 1977-05-13 IE IE979/77A patent/IE45057B1/en unknown
- 1977-05-13 BE BE2055905A patent/BE854583A/xx not_active IP Right Cessation
- 1977-05-13 JP JP5447077A patent/JPS5474493A/ja active Granted
- 1977-05-13 IT IT23584/77A patent/IT1077129B/it active
- 1977-05-13 FR FR7714738A patent/FR2351410A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2621676B2 (de) | 1978-04-27 |
| DE2621676A1 (de) | 1977-11-24 |
| IT1077129B (it) | 1985-05-04 |
| CH614780A5 (enExample) | 1979-12-14 |
| DK212177A (da) | 1977-11-16 |
| FR2351410B1 (enExample) | 1980-12-05 |
| US4141800A (en) | 1979-02-27 |
| BE854583A (fr) | 1977-11-14 |
| IE45057B1 (en) | 1982-06-16 |
| NL7705273A (nl) | 1977-11-17 |
| GB1538841A (en) | 1979-01-24 |
| FR2351410A1 (fr) | 1977-12-09 |
| CA1083220A (en) | 1980-08-05 |
| JPS5737025B2 (enExample) | 1982-08-07 |
| SE7705570L (sv) | 1977-11-16 |
| LU77329A1 (enExample) | 1977-12-13 |
| JPS5474493A (en) | 1979-06-14 |
| IE45057L (en) | 1977-11-15 |
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| OD | Request for examination | ||
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| 8327 | Change in the person/name/address of the patent owner |
Owner name: MANNESMANN AG, 40213 DUESSELDORF, DE |