GB747602A - Improvements in photo-electric methods for the estimation of gases or vapours - Google Patents

Improvements in photo-electric methods for the estimation of gases or vapours

Info

Publication number
GB747602A
GB747602A GB1407/52A GB140752A GB747602A GB 747602 A GB747602 A GB 747602A GB 1407/52 A GB1407/52 A GB 1407/52A GB 140752 A GB140752 A GB 140752A GB 747602 A GB747602 A GB 747602A
Authority
GB
United Kingdom
Prior art keywords
tube
gas
cell
photo
fed
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
GB1407/52A
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.)
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
Publication of GB747602A publication Critical patent/GB747602A/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)
GB1407/52A 1951-01-18 1952-01-17 Improvements in photo-electric methods for the estimation of gases or vapours Expired GB747602A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB747602A true GB747602A (en) 1956-04-11

Family

ID=9148031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1407/52A Expired GB747602A (en) 1951-01-18 1952-01-17 Improvements in photo-electric methods for the estimation of gases or vapours

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115954B (de) * 1957-11-29 1961-10-26 Hans Prugger Dipl Phys Anordnung zur laufenden Untersuchung des Sauerstoffgehaltes der Atemluft durch photoelektrische Registrierung einer Ultraviolettstrahlung
CN108489938A (zh) * 2017-02-08 2018-09-04 普瑞有限公司 用于雾气检测的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE730478C (de) * 1938-03-09 1943-01-14 Ig Farbenindustrie Ag Verfahren zur Bestimmung von Bestandteilen in Stoffgemischen mittels Strahlungsabsorption
US2452122A (en) * 1943-11-15 1948-10-26 Allied Chem & Dye Corp Apparatus and process for testing materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115954B (de) * 1957-11-29 1961-10-26 Hans Prugger Dipl Phys Anordnung zur laufenden Untersuchung des Sauerstoffgehaltes der Atemluft durch photoelektrische Registrierung einer Ultraviolettstrahlung
CN108489938A (zh) * 2017-02-08 2018-09-04 普瑞有限公司 用于雾气检测的方法

Also Published As

Publication number Publication date
BE508204A (https=)
DE951315C (de) 1956-10-25
FR1145951A (fr) 1957-11-05

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