FR2070388A5 - - Google Patents

Info

Publication number
FR2070388A5
FR2070388A5 FR6941704A FR6941704A FR2070388A5 FR 2070388 A5 FR2070388 A5 FR 2070388A5 FR 6941704 A FR6941704 A FR 6941704A FR 6941704 A FR6941704 A FR 6941704A FR 2070388 A5 FR2070388 A5 FR 2070388A5
Authority
FR
France
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
FR6941704A
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.)
Air Liquide SA
Original Assignee
Air Liquide 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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR6941704A priority Critical patent/FR2070388A5/fr
Application granted granted Critical
Publication of FR2070388A5 publication Critical patent/FR2070388A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR6941704A 1969-12-03 1969-12-03 Expired FR2070388A5 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6941704A FR2070388A5 (enrdf_load_stackoverflow) 1969-12-03 1969-12-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6941704A FR2070388A5 (enrdf_load_stackoverflow) 1969-12-03 1969-12-03

Publications (1)

Publication Number Publication Date
FR2070388A5 true FR2070388A5 (enrdf_load_stackoverflow) 1971-09-10

Family

ID=9044013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6941704A Expired FR2070388A5 (enrdf_load_stackoverflow) 1969-12-03 1969-12-03

Country Status (1)

Country Link
FR (1) FR2070388A5 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105659A3 (en) * 1982-09-30 1984-12-27 The Babcock & Wilcox Company Carbon monoxide detectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105659A3 (en) * 1982-09-30 1984-12-27 The Babcock & Wilcox Company Carbon monoxide detectors

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Legal Events

Date Code Title Description
ST Notification of lapse