FR1428961A - Perfectionnements aux procédés de détection d'une substance en phase gazeuse - Google Patents

Perfectionnements aux procédés de détection d'une substance en phase gazeuse

Info

Publication number
FR1428961A
FR1428961A FR10842A FR10842A FR1428961A FR 1428961 A FR1428961 A FR 1428961A FR 10842 A FR10842 A FR 10842A FR 10842 A FR10842 A FR 10842A FR 1428961 A FR1428961 A FR 1428961A
Authority
FR
France
Prior art keywords
substance
detecting
methods
gas phase
phase
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
FR10842A
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.)
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 NL6403239A external-priority patent/NL6403239A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR10842A priority Critical patent/FR1428961A/fr
Application granted granted Critical
Publication of FR1428961A publication Critical patent/FR1428961A/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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
    • G01N21/67—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
FR10842A 1964-03-26 1965-03-26 Perfectionnements aux procédés de détection d'une substance en phase gazeuse Expired FR1428961A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR10842A FR1428961A (fr) 1964-03-26 1965-03-26 Perfectionnements aux procédés de détection d'une substance en phase gazeuse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6403239A NL6403239A (fr) 1964-03-26 1964-03-26
FR10842A FR1428961A (fr) 1964-03-26 1965-03-26 Perfectionnements aux procédés de détection d'une substance en phase gazeuse

Publications (1)

Publication Number Publication Date
FR1428961A true FR1428961A (fr) 1966-02-18

Family

ID=26162677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR10842A Expired FR1428961A (fr) 1964-03-26 1965-03-26 Perfectionnements aux procédés de détection d'une substance en phase gazeuse

Country Status (1)

Country Link
FR (1) FR1428961A (fr)

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