GB1230581A - - Google Patents

Info

Publication number
GB1230581A
GB1230581A GB1230581DA GB1230581A GB 1230581 A GB1230581 A GB 1230581A GB 1230581D A GB1230581D A GB 1230581DA GB 1230581 A GB1230581 A GB 1230581A
Authority
GB
United Kingdom
Prior art keywords
carries
twin
detectors
optical bench
carriers
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
English (en)
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 filed Critical
Publication of GB1230581A publication Critical patent/GB1230581A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection

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)
GB1230581D 1967-06-14 1968-05-31 Expired GB1230581A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS434167 1967-06-14

Publications (1)

Publication Number Publication Date
GB1230581A true GB1230581A (enrdf_load_stackoverflow) 1971-05-05

Family

ID=5385918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230581D Expired GB1230581A (enrdf_load_stackoverflow) 1967-06-14 1968-05-31

Country Status (6)

Country Link
AT (1) AT293759B (enrdf_load_stackoverflow)
DE (1) DE1773602A1 (enrdf_load_stackoverflow)
FR (1) FR1568632A (enrdf_load_stackoverflow)
GB (1) GB1230581A (enrdf_load_stackoverflow)
NL (1) NL6808203A (enrdf_load_stackoverflow)
SE (1) SE341921B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749662C2 (de) * 1977-11-05 1986-01-30 Hartmann & Braun Ag, 6000 Frankfurt Fotometrisches Analysengerät
FR2655109B1 (fr) * 1989-11-24 1994-02-04 Paulstra Gmbh Element elastique de support raideurs echelonnees.
ATE109257T1 (de) * 1990-03-01 1994-08-15 Seven Air Gebrueder Meyer Ag Schwingungen dämpfendes dämmelement.
DE10221954B3 (de) 2002-05-14 2004-01-15 Msa Auer Gmbh Infrarot-Sensor für Gasmessgeräte mit Explosionsschutzzulassung

Also Published As

Publication number Publication date
FR1568632A (enrdf_load_stackoverflow) 1969-05-23
AT293759B (de) 1971-10-25
DE1773602A1 (de) 1971-10-28
SE341921B (enrdf_load_stackoverflow) 1972-01-17
NL6808203A (enrdf_load_stackoverflow) 1968-12-16

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees