JPH0220056B2 - - Google Patents

Info

Publication number
JPH0220056B2
JPH0220056B2 JP57166836A JP16683682A JPH0220056B2 JP H0220056 B2 JPH0220056 B2 JP H0220056B2 JP 57166836 A JP57166836 A JP 57166836A JP 16683682 A JP16683682 A JP 16683682A JP H0220056 B2 JPH0220056 B2 JP H0220056B2
Authority
JP
Japan
Prior art keywords
light
methane gas
band
wavelength
optical fiber
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 - Lifetime
Application number
JP57166836A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5956151A (ja
Inventor
Akio Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP57166836A priority Critical patent/JPS5956151A/ja
Priority to DE19833334264 priority patent/DE3334264A1/de
Priority to US06/536,051 priority patent/US4567366A/en
Publication of JPS5956151A publication Critical patent/JPS5956151A/ja
Publication of JPH0220056B2 publication Critical patent/JPH0220056B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP57166836A 1982-09-25 1982-09-25 メタンガス濃度測定法およびその測定装置 Granted JPS5956151A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57166836A JPS5956151A (ja) 1982-09-25 1982-09-25 メタンガス濃度測定法およびその測定装置
DE19833334264 DE3334264A1 (de) 1982-09-25 1983-09-22 Verfahren und messgeraet zum messen der methan-konzentration in einem gasgemisch
US06/536,051 US4567366A (en) 1982-09-25 1983-09-26 Method and apparatus for measuring methane concentration in gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57166836A JPS5956151A (ja) 1982-09-25 1982-09-25 メタンガス濃度測定法およびその測定装置

Publications (2)

Publication Number Publication Date
JPS5956151A JPS5956151A (ja) 1984-03-31
JPH0220056B2 true JPH0220056B2 (enrdf_load_stackoverflow) 1990-05-08

Family

ID=15838552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57166836A Granted JPS5956151A (ja) 1982-09-25 1982-09-25 メタンガス濃度測定法およびその測定装置

Country Status (1)

Country Link
JP (1) JPS5956151A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0830680B2 (ja) * 1990-10-15 1996-03-27 アンリツ株式会社 ガス検出装置
US5572031A (en) * 1994-11-23 1996-11-05 Sri International Pressure- and temperature-compensating oxygen sensor
JP5008970B2 (ja) * 2006-12-27 2012-08-22 三井造船プラントエンジニアリング株式会社 炭層ガスの改質，利用方法
JP6242316B2 (ja) * 2014-09-16 2017-12-06 株式会社日立製作所 濃度検出装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895296A (enrdf_load_stackoverflow) * 1972-03-18 1973-12-06
JPS562534A (en) * 1979-06-21 1981-01-12 Hitachi Cable Ltd Gas discriminating detector
JPS567037A (en) * 1979-06-29 1981-01-24 Fumio Inaba Remote substance density analyzing optical measuring apparatus

Also Published As

Publication number Publication date
JPS5956151A (ja) 1984-03-31

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