FR1145951A - Improvements in photoelectric analysis for gas determination - Google Patents

Improvements in photoelectric analysis for gas determination

Info

Publication number
FR1145951A
FR1145951A FR1145951DA FR1145951A FR 1145951 A FR1145951 A FR 1145951A FR 1145951D A FR1145951D A FR 1145951DA FR 1145951 A FR1145951 A FR 1145951A
Authority
FR
France
Prior art keywords
gas determination
photoelectric analysis
photoelectric
analysis
determination
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
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain 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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1145951A publication Critical patent/FR1145951A/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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
FR1145951D 1951-01-18 1950-11-03 Improvements in photoelectric analysis for gas determination Expired FR1145951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR747602X 1951-01-18

Publications (1)

Publication Number Publication Date
FR1145951A true FR1145951A (en) 1957-11-05

Family

ID=9148031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145951D Expired FR1145951A (en) 1951-01-18 1950-11-03 Improvements in photoelectric analysis for gas determination

Country Status (4)

Country Link
BE (1) BE508204A (en)
DE (1) DE951315C (en)
FR (1) FR1145951A (en)
GB (1) GB747602A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115954B (en) * 1957-11-29 1961-10-26 Hans Prugger Dipl Phys Arrangement for the ongoing investigation of the oxygen content of the air we breathe through photoelectric registration of ultraviolet radiation
DE102017102489B3 (en) * 2017-02-08 2018-05-24 Preh Gmbh Method for fog detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE730478C (en) * 1938-03-09 1943-01-14 Ig Farbenindustrie Ag Process for the determination of components in mixtures of substances by means of radiation absorption
US2452122A (en) * 1943-11-15 1948-10-26 Allied Chem & Dye Corp Apparatus and process for testing materials

Also Published As

Publication number Publication date
GB747602A (en) 1956-04-11
DE951315C (en) 1956-10-25
BE508204A (en)

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