FR2212040A6 - - Google Patents

Info

Publication number
FR2212040A6
FR2212040A6 FR7245572A FR7245572A FR2212040A6 FR 2212040 A6 FR2212040 A6 FR 2212040A6 FR 7245572 A FR7245572 A FR 7245572A FR 7245572 A FR7245572 A FR 7245572A FR 2212040 A6 FR2212040 A6 FR 2212040A6
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
FR7245572A
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.)
Etat Francais
Original Assignee
Etat Francais
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
Priority claimed from FR7126793A external-priority patent/FR2154812A5/fr
Priority claimed from FR7245472A external-priority patent/FR2169837B1/fr
Application filed by Etat Francais filed Critical Etat Francais
Priority to US416629A priority Critical patent/US3860345A/en
Application granted granted Critical
Publication of FR2212040A6 publication Critical patent/FR2212040A6/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0013—Sample conditioning by a chemical reaction
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
FR7245572A 1971-07-22 1972-12-21 Expired FR2212040A6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US416629A US3860345A (en) 1972-07-06 1973-11-16 Method and apparatus for testing for phosphor particles contained in the atmosphere

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7126793A FR2154812A5 (en) 1971-07-22 1971-07-22
FR7245472A FR2169837B1 (en) 1971-12-20 1972-12-20

Publications (1)

Publication Number Publication Date
FR2212040A6 true FR2212040A6 (en) 1974-07-19

Family

ID=26216535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245572A Expired FR2212040A6 (en) 1971-07-22 1972-12-21

Country Status (1)

Country Link
FR (1) FR2212040A6 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692354A1 (en) * 1992-06-11 1993-12-17 Proengin Detector detecting presence of elements in ambient air - has two turbines to create air flow which compensates for external wind pressure and which is burned inside current of hydrogen@

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692354A1 (en) * 1992-06-11 1993-12-17 Proengin Detector detecting presence of elements in ambient air - has two turbines to create air flow which compensates for external wind pressure and which is burned inside current of hydrogen@

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Legal Events

Date Code Title Description
CL Concession to grant licenses
RL Notice of termination of a license
CL Concession to grant licenses