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BE509879A - - Google Patents

Info

Publication number
BE509879A
BE509879A BE509879DA BE509879A BE 509879 A BE509879 A BE 509879A BE 509879D A BE509879D A BE 509879DA BE 509879 A BE509879 A BE 509879A
Authority
BE
Belgium
Application number
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.)
Publication of BE509879A publication Critical patent/BE509879A/xx

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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BE509879D 1952-03-20 BE509879A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB727152A GB771531A (en) 1952-03-20 1952-03-20 Improvements in or relating to the detection and estimation of sulphur dioxide in a gaseous mixture

Publications (1)

Publication Number Publication Date
BE509879A true BE509879A (zh)

Family

ID=9829901

Family Applications (1)

Application Number Title Priority Date Filing Date
BE509879D BE509879A (zh) 1952-03-20

Country Status (2)

Country Link
BE (1) BE509879A (zh)
GB (1) GB771531A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194333B (en) * 1986-07-01 1990-08-29 Electricity Council Detection method and device

Also Published As

Publication number Publication date
GB771531A (en) 1957-04-03

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