JPS5558438A - Device for measuring concentration by infrared ray - Google Patents

Device for measuring concentration by infrared ray

Info

Publication number
JPS5558438A
JPS5558438A JP13228778A JP13228778A JPS5558438A JP S5558438 A JPS5558438 A JP S5558438A JP 13228778 A JP13228778 A JP 13228778A JP 13228778 A JP13228778 A JP 13228778A JP S5558438 A JPS5558438 A JP S5558438A
Authority
JP
Japan
Prior art keywords
detectors
ratio
infrared ray
passed
concentration
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.)
Granted
Application number
JP13228778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120808B2 (enrdf_load_stackoverflow
Inventor
Seiji Ito
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.)
Horiba Ltd
Original Assignee
Horiba Ltd
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 Horiba Ltd filed Critical Horiba Ltd
Priority to JP13228778A priority Critical patent/JPS5558438A/ja
Publication of JPS5558438A publication Critical patent/JPS5558438A/ja
Publication of JPS6120808B2 publication Critical patent/JPS6120808B2/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
    • G01N21/31—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
    • 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
    • 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
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water

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)
JP13228778A 1978-10-25 1978-10-25 Device for measuring concentration by infrared ray Granted JPS5558438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13228778A JPS5558438A (en) 1978-10-25 1978-10-25 Device for measuring concentration by infrared ray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13228778A JPS5558438A (en) 1978-10-25 1978-10-25 Device for measuring concentration by infrared ray

Publications (2)

Publication Number Publication Date
JPS5558438A true JPS5558438A (en) 1980-05-01
JPS6120808B2 JPS6120808B2 (enrdf_load_stackoverflow) 1986-05-23

Family

ID=15077746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13228778A Granted JPS5558438A (en) 1978-10-25 1978-10-25 Device for measuring concentration by infrared ray

Country Status (1)

Country Link
JP (1) JPS5558438A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147045A (en) * 1980-04-18 1981-11-14 Toshiba Corp Analytical apparatus for gas component
JPS5858441A (ja) * 1975-10-28 1983-04-07 Sanyo Electric Co Ltd ガスセンサ
JPS5872037A (ja) * 1981-10-27 1983-04-28 Sanyo Electric Co Ltd ガスセンサ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5290982A (en) * 1976-01-26 1977-07-30 Hokushin Electric Works Two color moisture meter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5290982A (en) * 1976-01-26 1977-07-30 Hokushin Electric Works Two color moisture meter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858441A (ja) * 1975-10-28 1983-04-07 Sanyo Electric Co Ltd ガスセンサ
JPS56147045A (en) * 1980-04-18 1981-11-14 Toshiba Corp Analytical apparatus for gas component
JPS5872037A (ja) * 1981-10-27 1983-04-28 Sanyo Electric Co Ltd ガスセンサ

Also Published As

Publication number Publication date
JPS6120808B2 (enrdf_load_stackoverflow) 1986-05-23

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