FR1123364A - Improvements to permanent sampling and instantaneous reading devices for measuring the carbon dioxide content of the air - Google Patents

Improvements to permanent sampling and instantaneous reading devices for measuring the carbon dioxide content of the air

Info

Publication number
FR1123364A
FR1123364A FR1123364DA FR1123364A FR 1123364 A FR1123364 A FR 1123364A FR 1123364D A FR1123364D A FR 1123364DA FR 1123364 A FR1123364 A FR 1123364A
Authority
FR
France
Prior art keywords
measuring
air
carbon dioxide
dioxide content
reading devices
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
Other languages
French (fr)
Inventor
Fernand-Rene-Gaston Badre
Roger-Gabriel Guillerm
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 filed Critical
Application granted granted Critical
Publication of FR1123364A publication Critical patent/FR1123364A/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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (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)
FR1123364D 1955-03-09 1955-03-09 Improvements to permanent sampling and instantaneous reading devices for measuring the carbon dioxide content of the air Expired FR1123364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1123364T 1955-03-09

Publications (1)

Publication Number Publication Date
FR1123364A true FR1123364A (en) 1956-09-20

Family

ID=9633175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1123364D Expired FR1123364A (en) 1955-03-09 1955-03-09 Improvements to permanent sampling and instantaneous reading devices for measuring the carbon dioxide content of the air

Country Status (1)

Country Link
FR (1) FR1123364A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448146A1 (en) * 1979-02-05 1980-08-29 Shipley Co METHOD, SOLUTION AND COLORIMETRIC DEVICE FOR CONTROLLING THE CONCENTRATION OF A COMPONENT IN SOLUTION
WO2016090117A1 (en) * 2014-12-04 2016-06-09 Carrier Corporation Film based carbon dioxide sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448146A1 (en) * 1979-02-05 1980-08-29 Shipley Co METHOD, SOLUTION AND COLORIMETRIC DEVICE FOR CONTROLLING THE CONCENTRATION OF A COMPONENT IN SOLUTION
WO2016090117A1 (en) * 2014-12-04 2016-06-09 Carrier Corporation Film based carbon dioxide sensor

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