FR1252843A - Gas metering method and apparatus - Google Patents

Gas metering method and apparatus

Info

Publication number
FR1252843A
FR1252843A FR814163A FR814163A FR1252843A FR 1252843 A FR1252843 A FR 1252843A FR 814163 A FR814163 A FR 814163A FR 814163 A FR814163 A FR 814163A FR 1252843 A FR1252843 A FR 1252843A
Authority
FR
France
Prior art keywords
metering method
gas metering
gas
metering
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
FR814163A
Other languages
French (fr)
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR814163A priority Critical patent/FR1252843A/en
Application granted granted Critical
Publication of FR1252843A publication Critical patent/FR1252843A/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
    • G01N21/35—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

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)
FR814163A 1959-12-24 1959-12-24 Gas metering method and apparatus Expired FR1252843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR814163A FR1252843A (en) 1959-12-24 1959-12-24 Gas metering method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814163A FR1252843A (en) 1959-12-24 1959-12-24 Gas metering method and apparatus

Publications (1)

Publication Number Publication Date
FR1252843A true FR1252843A (en) 1961-02-03

Family

ID=8723072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814163A Expired FR1252843A (en) 1959-12-24 1959-12-24 Gas metering method and apparatus

Country Status (1)

Country Link
FR (1) FR1252843A (en)

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