GB1470144A - Infrared analyser - Google Patents

Infrared analyser

Info

Publication number
GB1470144A
GB1470144A GB736775A GB736775A GB1470144A GB 1470144 A GB1470144 A GB 1470144A GB 736775 A GB736775 A GB 736775A GB 736775 A GB736775 A GB 736775A GB 1470144 A GB1470144 A GB 1470144A
Authority
GB
United Kingdom
Prior art keywords
feb
photo
mirror structure
absorption
electric
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
GB736775A
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.)
INSINOORITOIMISTO INNOTEC Oy
Original Assignee
INSINOORITOIMISTO INNOTEC Oy
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 INSINOORITOIMISTO INNOTEC Oy filed Critical INSINOORITOIMISTO INNOTEC Oy
Publication of GB1470144A publication Critical patent/GB1470144A/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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

1470144 Photo-electric measurement of absorption INSINOORITOIMISTO INNOTEC OY 21 Feb 1975 [22 Feb 1974] 7367/75 Heading G1A A two-path photo-electric absorption measurement apparatus comprises an infrared source 11, an internally mirrored light guide 12, a mirror structure 13 for symmetrically splitting the beam into the two paths, a radiation chopper allowing the beams alternately to pass through sample and reference cells 18, 19, a beam combining mirror structure 21-23, a filter disc 27 and a detector 24. The source 11 may be an electrically heated rod.
GB736775A 1974-02-22 1975-02-21 Infrared analyser Expired GB1470144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI52274A FI51637C (en) 1974-02-22 1974-02-22 Symmetrical analyzer with respect to the sample channel and the reference channel.

Publications (1)

Publication Number Publication Date
GB1470144A true GB1470144A (en) 1977-04-14

Family

ID=8504240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB736775A Expired GB1470144A (en) 1974-02-22 1975-02-21 Infrared analyser

Country Status (7)

Country Link
JP (1) JPS50125784A (en)
CH (1) CH577165A5 (en)
DE (1) DE2507935A1 (en)
DK (1) DK64475A (en)
FI (1) FI51637C (en)
GB (1) GB1470144A (en)
NL (1) NL7502136A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376301B (en) * 1982-05-06 1984-11-12 List Hans METHOD FOR CONTINUOUSLY MEASURING THE MASS OF AEOROSOL PARTICLES IN GASEOUS SAMPLES, AND APPARATUS FOR CARRYING OUT THE METHOD
US4577105A (en) * 1983-04-21 1986-03-18 Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik Method of determining masses of absorbing components of a sample in a test volume and a device for implementation of this method
EP0405141A2 (en) * 1989-06-05 1991-01-02 Miles Inc. Remote sensing gas analyzer
WO2009000503A1 (en) * 2007-06-25 2008-12-31 J&M Analytik Ag Apparatus for optically measuring substance concentrations

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539667A1 (en) * 1985-11-08 1987-05-14 Bruker Analytische Messtechnik OPTICAL SPECTROMETER, IN PARTICULAR INFRARED SPECTROMETER
JPH0323346U (en) * 1989-07-18 1991-03-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376301B (en) * 1982-05-06 1984-11-12 List Hans METHOD FOR CONTINUOUSLY MEASURING THE MASS OF AEOROSOL PARTICLES IN GASEOUS SAMPLES, AND APPARATUS FOR CARRYING OUT THE METHOD
US4577105A (en) * 1983-04-21 1986-03-18 Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik Method of determining masses of absorbing components of a sample in a test volume and a device for implementation of this method
EP0405141A2 (en) * 1989-06-05 1991-01-02 Miles Inc. Remote sensing gas analyzer
EP0405141A3 (en) * 1989-06-05 1991-06-12 Mobay Corporation Remote sensing gas analyzer
WO2009000503A1 (en) * 2007-06-25 2008-12-31 J&M Analytik Ag Apparatus for optically measuring substance concentrations

Also Published As

Publication number Publication date
DE2507935A1 (en) 1975-08-28
FI52274A (en) 1975-08-23
NL7502136A (en) 1975-08-26
CH577165A5 (en) 1976-06-30
FI51637B (en) 1976-11-01
FI51637C (en) 1977-02-10
DK64475A (en) 1975-10-20
JPS50125784A (en) 1975-10-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee