FR2252870A1 - - Google Patents

Info

Publication number
FR2252870A1
FR2252870A1 FR7439542A FR7439542A FR2252870A1 FR 2252870 A1 FR2252870 A1 FR 2252870A1 FR 7439542 A FR7439542 A FR 7439542A FR 7439542 A FR7439542 A FR 7439542A FR 2252870 A1 FR2252870 A1 FR 2252870A1
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.)
Granted
Application number
FR7439542A
Other versions
FR2252870B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NL7316555A external-priority patent/NL7316555A/xx
Priority claimed from NL7401320A external-priority patent/NL7401320A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2252870A1 publication Critical patent/FR2252870A1/fr
Application granted granted Critical
Publication of FR2252870B1 publication Critical patent/FR2252870B1/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
    • 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
    • G01N21/76—Chemiluminescence; Bioluminescence
    • G01N21/766—Chemiluminescence; Bioluminescence of gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR7439542A 1973-12-04 1974-12-03 Expired FR2252870B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7316555A NL7316555A (nl) 1973-12-04 1973-12-04 Inrichting voor chemische omzetting in gasmeng- sels.
NL7401320A NL7401320A (nl) 1974-01-31 1974-01-31 Inrichting voor het bepalen van stikstofoxiden cht.

Publications (2)

Publication Number Publication Date
FR2252870A1 true FR2252870A1 (fr) 1975-06-27
FR2252870B1 FR2252870B1 (fr) 1977-10-28

Family

ID=26644939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7439542A Expired FR2252870B1 (fr) 1973-12-04 1974-12-03

Country Status (5)

Country Link
BE (1) BE822949A (fr)
DE (1) DE2455844A1 (fr)
FR (1) FR2252870B1 (fr)
GB (1) GB1470449A (fr)
IT (1) IT1026691B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328196A1 (fr) * 1975-10-14 1977-05-13 Rockwell International Corp Procede de detection et de mesure de no2 et o3 par reaction avec un halogenure alcalin solide
FR2397366A1 (fr) * 1977-07-14 1979-02-09 Philips Nv Dispositif pour la reduction quantitative de dioxyde d'azote dans des melanges gazeux
FR2398536A1 (fr) * 1977-07-29 1979-02-23 Beckman Instruments Inc

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328196A1 (fr) * 1975-10-14 1977-05-13 Rockwell International Corp Procede de detection et de mesure de no2 et o3 par reaction avec un halogenure alcalin solide
FR2397366A1 (fr) * 1977-07-14 1979-02-09 Philips Nv Dispositif pour la reduction quantitative de dioxyde d'azote dans des melanges gazeux
FR2398536A1 (fr) * 1977-07-29 1979-02-23 Beckman Instruments Inc

Also Published As

Publication number Publication date
BE822949A (fr) 1975-06-04
IT1026691B (it) 1978-10-20
FR2252870B1 (fr) 1977-10-28
DE2455844A1 (de) 1975-06-26
GB1470449A (en) 1977-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse