GB1470449A - Apparatus for the reduction of gas mixtures - Google Patents

Apparatus for the reduction of gas mixtures

Info

Publication number
GB1470449A
GB1470449A GB5180374A GB5180374A GB1470449A GB 1470449 A GB1470449 A GB 1470449A GB 5180374 A GB5180374 A GB 5180374A GB 5180374 A GB5180374 A GB 5180374A GB 1470449 A GB1470449 A GB 1470449A
Authority
GB
United Kingdom
Prior art keywords
air
container
determination
content
stream
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
GB5180374A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1470449A publication Critical patent/GB1470449A/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
    • G01N21/76—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)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Plasma & Fusion (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)
GB5180374A 1973-12-04 1974-11-29 Apparatus for the reduction of gas mixtures Expired GB1470449A (en)

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 (1)

Publication Number Publication Date
GB1470449A true GB1470449A (en) 1977-04-14

Family

ID=26644939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5180374A Expired GB1470449A (en) 1973-12-04 1974-11-29 Apparatus for the reduction of gas mixtures

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996005A (en) * 1975-10-14 1976-12-07 Rockwell International Corporation Detection and measurement of NO2 and O3
NL7707839A (nl) * 1977-07-14 1979-01-16 Philips Nv Inrichting voor het kwantitatief reduceren van stikstofdioxyde in gasmengsels.
US4118193A (en) * 1977-07-29 1978-10-03 Beckman Instruments, Inc. Catalytic reactor systems method and apparatus

Also Published As

Publication number Publication date
FR2252870B1 (de) 1977-10-28
IT1026691B (it) 1978-10-20
BE822949A (fr) 1975-06-04
FR2252870A1 (de) 1975-06-27
DE2455844A1 (de) 1975-06-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee