SE9103017D0 - PROCEDURE FOR PREPARING A GAS SENSOR - Google Patents

PROCEDURE FOR PREPARING A GAS SENSOR

Info

Publication number
SE9103017D0
SE9103017D0 SE9103017A SE9103017A SE9103017D0 SE 9103017 D0 SE9103017 D0 SE 9103017D0 SE 9103017 A SE9103017 A SE 9103017A SE 9103017 A SE9103017 A SE 9103017A SE 9103017 D0 SE9103017 D0 SE 9103017D0
Authority
SE
Sweden
Prior art keywords
gas
sensor
electrodes
catalyst
solution
Prior art date
Application number
SE9103017A
Other languages
Swedish (sv)
Other versions
SE9103017L (en
Inventor
P B Rasmussen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of SE9103017D0 publication Critical patent/SE9103017D0/en
Publication of SE9103017L publication Critical patent/SE9103017L/en

Links

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

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)

Abstract

Two electrodes 3 and a gas-sensitive layer 4 connecting the two electrodes are applied to an electrically insulating carrier substrate. A catalyst in the form of a metal compound or base is added, in solution to the gas-sensitive layer and the sensor is heated to a temperature below the boiling point of the solution or below the temperature at which the compound decomposes to the metal. The solvent may be water or alcohol or a mixture thereof and the salt may be chloroplatinic acid (for an ammonia sensor) or the base borium hydroxide for a chlorine or hydrogen chloride sensor. The gas-sensing material is preferably tin oxide. Cuts 6 may be made in the gas-sensing layer 4 before the catalyst is applied to control the resistance of the sensor. <IMAGE>
SE9103017A 1990-11-30 1991-10-16 PROCEDURE FOR PREPARING A GAS SENSOR SE9103017L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904038140 DE4038140A1 (en) 1990-11-30 1990-11-30 METHOD FOR PRODUCING A GAS SENSOR

Publications (2)

Publication Number Publication Date
SE9103017D0 true SE9103017D0 (en) 1991-10-16
SE9103017L SE9103017L (en) 1992-05-31

Family

ID=6419250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9103017A SE9103017L (en) 1990-11-30 1991-10-16 PROCEDURE FOR PREPARING A GAS SENSOR

Country Status (8)

Country Link
JP (1) JPH04269649A (en)
CA (1) CA2053049A1 (en)
DE (1) DE4038140A1 (en)
DK (1) DK190091A (en)
FR (1) FR2670012A1 (en)
GB (1) GB2250823A (en)
NL (1) NL9101879A (en)
SE (1) SE9103017L (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1116943A (en) * 1964-08-21 1968-06-12 Johnson Matthey Co Ltd Improvements in and relating to catalytic reactions and a catalyst for use therein
GB1345067A (en) * 1970-12-17 1974-01-30
JPS5118262A (en) * 1974-08-06 1976-02-13 Japan Gasoline Haigasuchuno chitsusosankabutsuno jokyohoho
US4197089A (en) * 1975-12-22 1980-04-08 Ambac Industries, Incorporated Reducing gas sensor
JPS5395097A (en) * 1977-01-31 1978-08-19 Toshiba Corp Gas-sensitive element
GB2142147A (en) * 1983-06-24 1985-01-09 Standard Telephones Cables Ltd Gas sensor
CH666965A5 (en) * 1983-08-30 1988-08-31 Cerberus Ag METHOD FOR PRODUCING MATERIALS FOR GAS SENSORS.
JPS61110045A (en) * 1984-11-02 1986-05-28 Omron Tateisi Electronics Co Thick film type sensor
US4857275A (en) * 1986-03-19 1989-08-15 Ngk Spark Plug Co., Ltd. Thick-film gas-sensitive element
US4911892A (en) * 1987-02-24 1990-03-27 American Intell-Sensors Corporation Apparatus for simultaneous detection of target gases
GB2234074A (en) * 1989-07-22 1991-01-23 Atomic Energy Authority Uk Gas sensor

Also Published As

Publication number Publication date
SE9103017L (en) 1992-05-31
GB9125334D0 (en) 1992-01-29
DE4038140C2 (en) 1993-05-27
GB2250823A (en) 1992-06-17
DK190091A (en) 1992-05-31
CA2053049A1 (en) 1992-05-31
NL9101879A (en) 1992-06-16
DK190091D0 (en) 1991-11-21
DE4038140A1 (en) 1992-06-04
FR2670012A1 (en) 1992-06-05
JPH04269649A (en) 1992-09-25

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Legal Events

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NAV Patent application has lapsed

Ref document number: 9103017-1

Effective date: 19930609