FR47914E - Device for gas analysis and detection - Google Patents

Device for gas analysis and detection

Info

Publication number
FR47914E
FR47914E FR47914DA FR47914E FR 47914 E FR47914 E FR 47914E FR 47914D A FR47914D A FR 47914DA FR 47914 E FR47914 E FR 47914E
Authority
FR
France
Prior art keywords
detection
gas analysis
analysis
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
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.)
Luchaire SA
Original Assignee
Luchaire SA
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 Luchaire SA filed Critical Luchaire SA
Application granted granted Critical
Publication of FR47914E publication Critical patent/FR47914E/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
    • 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)
FR47914D 1936-04-10 1936-04-10 Device for gas analysis and detection Expired FR47914E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR47914T 1936-04-10

Publications (1)

Publication Number Publication Date
FR47914E true FR47914E (en) 1937-08-23

Family

ID=8683332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47914D Expired FR47914E (en) 1936-04-10 1936-04-10 Device for gas analysis and detection

Country Status (1)

Country Link
FR (1) FR47914E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425059A (en) * 1943-03-06 1947-08-05 Stewart Warner Corp Detection of toxic gases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425059A (en) * 1943-03-06 1947-08-05 Stewart Warner Corp Detection of toxic gases

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