CA942529A - Gas densitometer - Google Patents

Gas densitometer

Info

Publication number
CA942529A
CA942529A CA137,367A CA137367A CA942529A CA 942529 A CA942529 A CA 942529A CA 137367 A CA137367 A CA 137367A CA 942529 A CA942529 A CA 942529A
Authority
CA
Canada
Prior art keywords
gas densitometer
densitometer
gas
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
Application number
CA137,367A
Other versions
CA137367S (en
Inventor
Shojiro Nakahara
Katsuyoshi 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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of CA942529A publication Critical patent/CA942529A/en
Expired 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

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)
CA137,367A 1971-03-18 1972-03-17 Gas densitometer Expired CA942529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1536571 1971-03-18

Publications (1)

Publication Number Publication Date
CA942529A true CA942529A (en) 1974-02-26

Family

ID=11886754

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,367A Expired CA942529A (en) 1971-03-18 1972-03-17 Gas densitometer

Country Status (3)

Country Link
CA (1) CA942529A (en)
DE (1) DE2213456A1 (en)
GB (1) GB1374516A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918084C3 (en) * 1979-05-04 1982-04-08 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for determining the extinctions of components in an exhaust gas mixture

Also Published As

Publication number Publication date
DE2213456A1 (en) 1972-10-12
GB1374516A (en) 1974-11-20

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