FI104654B - Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare - Google Patents

Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare Download PDF

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Publication number
FI104654B
FI104654B FI965015A FI965015A FI104654B FI 104654 B FI104654 B FI 104654B FI 965015 A FI965015 A FI 965015A FI 965015 A FI965015 A FI 965015A FI 104654 B FI104654 B FI 104654B
Authority
FI
Finland
Prior art keywords
gas
sensor
polymer
heating
temperature
Prior art date
Application number
FI965015A
Other languages
English (en)
Finnish (fi)
Other versions
FI965015A0 (sv
FI965015L (sv
Inventor
Lars Strombom
Original Assignee
Vaisala Oyj
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vaisala Oyj filed Critical Vaisala Oyj
Priority to FI965015A priority Critical patent/FI104654B/sv
Publication of FI965015A0 publication Critical patent/FI965015A0/sv
Priority to DE69730585T priority patent/DE69730585T2/de
Priority to EP97660140A priority patent/EP0853240B1/en
Priority to US08/988,896 priority patent/US5987963A/en
Priority to JP34260797A priority patent/JP4043572B2/ja
Publication of FI965015L publication Critical patent/FI965015L/sv
Application granted granted Critical
Publication of FI104654B publication Critical patent/FI104654B/sv

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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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126—Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Claims (4)

1. Förfarande för att förbättra selektiviteten hos en polymerbaserad gasgivare, enligt vilket förfarande gasgivaren (6) värms upp och en variabel hos givaren (6) som är 5 känslig för den storhet som skall mätäs blir uppmätt, kännetecknat av att - givarens (6) variabel, som är känslig för den storhet som skall mätäs, uppmäts under 10 säväl uppvärmning som nedkylning i ett flertal mätningspunkter, - en hysteresfiinktion (1) mellan uppvärmningen och nedkylningen bildas och koncentrationen för varje gas fastställs pi basis av hysteresfunktionen (1).
2. Förfarande enligt patentkrav 1, kännetecknat av att koncentrationen av den 15 gas som skall mätäs fastställs pä basis av hysteresfunktionens (1) minima eller maxima.
3. Förfarande enligt patentkrav 1,kännetecknat av att gasens typ fastställs med hjälp av hysteresfunktionens (1) minima eller maxima. 20
4. Förfarande enligt patentkrav 1,kännetecknat av att storheten mäts minst 25 gänger per sekund under mätningscykeln. % m · f • ai
FI965015A 1996-12-13 1996-12-13 Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare FI104654B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI965015A FI104654B (sv) 1996-12-13 1996-12-13 Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare
DE69730585T DE69730585T2 (de) 1996-12-13 1997-12-09 Verfahren zum Verbessern der Selektivität eines eine Polymerschicht aufweisenden Gassensors
EP97660140A EP0853240B1 (en) 1996-12-13 1997-12-09 Method of improving the selectivity of a polymer-film gas sensor
US08/988,896 US5987963A (en) 1996-12-13 1997-12-11 Method of improving the selectivity of a polymer-film gas sensor and a sensor structure for implementing the method
JP34260797A JP4043572B2 (ja) 1996-12-13 1997-12-12 測定ガス成分の濃度決定法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI965015 1996-12-13
FI965015A FI104654B (sv) 1996-12-13 1996-12-13 Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare

Publications (3)

Publication Number Publication Date
FI965015A0 FI965015A0 (sv) 1996-12-13
FI965015L FI965015L (sv) 1998-06-14
FI104654B true FI104654B (sv) 2000-03-15

Family

ID=8547269

Family Applications (1)

Application Number Title Priority Date Filing Date
FI965015A FI104654B (sv) 1996-12-13 1996-12-13 Förfarande för förbättring av selektiviteten hos en polymerbaserad gasgivare

Country Status (5)

Country Link
US (1) US5987963A (sv)
EP (1) EP0853240B1 (sv)
JP (1) JP4043572B2 (sv)
DE (1) DE69730585T2 (sv)
FI (1) FI104654B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4513161B2 (ja) * 2000-03-31 2010-07-28 東亞合成株式会社 ガスセンサの製造方法及びガスセンサ
WO2003089915A2 (en) * 2002-04-15 2003-10-30 E.I. Du Pont De Nemours And Company Method for restoring the sensitivity, speed or stability of a gas-sensitive material
US6739180B2 (en) * 2002-08-30 2004-05-25 Industrial Technology Research Institute Intelligent gas identification system and method thereof
US20050246259A1 (en) * 2004-03-30 2005-11-03 Andre Lavoie Method and system for providing guidance data
DE102006028123A1 (de) * 2006-06-15 2007-12-20 JÜRG PAUL Haller Vorrichtung zur Manipulation von flachem Stückgut, wie Bogen aus Papier, Kunststoff, Karton und dergleichen
US9429537B2 (en) 2011-04-13 2016-08-30 3M Innovative Properties Company Method of detecting volatile organic compounds
CN103477216A (zh) 2011-04-13 2013-12-25 3M创新有限公司 包括具有集成加热的传感器元件的蒸气传感器
CN103492872B (zh) 2011-04-13 2016-04-06 3M创新有限公司 使用吸收性传感器元件的方法
CN105259212B (zh) * 2015-10-19 2018-01-16 中国南方电网有限责任公司超高压输电公司检修试验中心 一种用于sf6分解产物检测的交叉干扰消除方法
CN106093134B (zh) * 2016-05-31 2018-09-21 重庆大学 金属氧化物传感器阵列响应漂移的补偿方法
EP3623804B1 (en) * 2018-09-13 2023-10-25 STMicroelectronics S.r.l. Method of operating gas sensors and corresponding device, sensor and program product

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313413C3 (de) * 1973-03-17 1978-03-02 Westfaelische Berggewerkschaftskasse, 4630 Bochum Verfahren und Meßgerät zur Bestimmung des Anteils eines oder mehrerer Gaskomponenten in einem Gasgemisch, insbesondere des CO-Gehaltes und/oder des CH4 -Gehaltes im Untertagebetrieb
EP0075101A3 (de) * 1981-09-22 1985-12-04 Cerberus Ag Verfahren und Vorrichtung zur Reduzierung von durch Störgase hervorgerufenen Falschalarmen in Gaswarnanlagen
US4399684A (en) * 1981-11-27 1983-08-23 Sierra Monitor Corporation Gas measurement method
EP0092068B1 (de) * 1982-04-15 1986-06-11 Cerberus Ag Alarmanlage für Gase und/oder Dämpfe
GB8804717D0 (en) * 1988-02-29 1988-03-30 Atomic Energy Authority Uk Gas sensing
US5288645A (en) * 1992-09-04 1994-02-22 Mtm Engineering, Inc. Hydrogen evolution analyzer
FI98960C (sv) * 1994-10-21 1997-09-10 Vaisala Oy Förfarande för mätning av koncentrationen av ickepolära gaser, såsom koldioxid, medelst en polymerbaserad givare, samt givarkonstruktion

Also Published As

Publication number Publication date
DE69730585D1 (de) 2004-10-14
EP0853240B1 (en) 2004-09-08
US5987963A (en) 1999-11-23
JPH10197472A (ja) 1998-07-31
FI965015A0 (sv) 1996-12-13
DE69730585T2 (de) 2005-09-15
EP0853240A2 (en) 1998-07-15
JP4043572B2 (ja) 2008-02-06
FI965015L (sv) 1998-06-14
EP0853240A3 (en) 2000-10-11

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