SE8802536D0 - Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov - Google Patents

Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov

Info

Publication number
SE8802536D0
SE8802536D0 SE8802536A SE8802536A SE8802536D0 SE 8802536 D0 SE8802536 D0 SE 8802536D0 SE 8802536 A SE8802536 A SE 8802536A SE 8802536 A SE8802536 A SE 8802536A SE 8802536 D0 SE8802536 D0 SE 8802536D0
Authority
SE
Sweden
Prior art keywords
gas
measurement
concentration
pct
sample
Prior art date
Application number
SE8802536A
Other languages
English (en)
Inventor
R Tell
T Andersson
S Lundqvist
H Ahlborg
Original Assignee
Altoptronic Ab
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 Altoptronic Ab filed Critical Altoptronic Ab
Priority to SE8802536A priority Critical patent/SE8802536D0/sv
Publication of SE8802536D0 publication Critical patent/SE8802536D0/sv
Priority to EP89908536A priority patent/EP0423223B1/en
Priority to PCT/SE1989/000404 priority patent/WO1990000732A1/en
Priority to AT89908536T priority patent/ATE127584T1/de
Priority to JP01507939A priority patent/JP3108420B2/ja
Priority to US07/634,126 priority patent/US5173749A/en
Priority to DE68924163T priority patent/DE68924163T2/de
Priority to DK306690A priority patent/DK306690A/da
Priority to NO910008A priority patent/NO304620B1/no
Priority to FI910043A priority patent/FI910043A0/fi

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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4242—Modulated light, e.g. for synchronizing source and detector circuit
    • 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
    • G01N2021/1748—Comparative step being essential in the method
    • G01N2021/1751—Constructive features therefore, e.g. using two measurement cells
    • 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
    • G01N21/3504—Investigating 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/0826—Fibre array at source, distributing
SE8802536A 1988-07-07 1988-07-07 Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov SE8802536D0 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE8802536A SE8802536D0 (sv) 1988-07-07 1988-07-07 Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov
EP89908536A EP0423223B1 (en) 1988-07-07 1989-07-07 Method and apparatus for spectroscopic measurement of the concentration of a gaz
PCT/SE1989/000404 WO1990000732A1 (en) 1988-07-07 1989-07-07 Method and apparatus for spectroscopic measurement of the concentration of a gaz
AT89908536T ATE127584T1 (de) 1988-07-07 1989-07-07 Verfahren und vorrichtung zur spektroskopischen messung der gaskonzentration.
JP01507939A JP3108420B2 (ja) 1988-07-07 1989-07-07 ガスの濃度を分光分析で測定する方法と装置
US07/634,126 US5173749A (en) 1988-07-07 1989-07-07 Method and apparatus for spectroscopic measurement of the concentration of a gas
DE68924163T DE68924163T2 (de) 1988-07-07 1989-07-07 Verfahren und vorrichtung zur spektroskopischen messung der gaskonzentration.
DK306690A DK306690A (da) 1988-07-07 1990-12-28 Fremgangsmaade ved og apparat til spektroskopisk maaling af koncentrationen af en gas
NO910008A NO304620B1 (no) 1988-07-07 1991-01-03 FremgangsmÕte og apparat for spektroskopisk mÕling av konsentrasjonen av en gass
FI910043A FI910043A0 (fi) 1988-07-07 1991-01-04 Saett och apparat foer spektroskopisk maetning av koncentrationen av en gas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8802536A SE8802536D0 (sv) 1988-07-07 1988-07-07 Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov

Publications (1)

Publication Number Publication Date
SE8802536D0 true SE8802536D0 (sv) 1988-07-07

Family

ID=20372841

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8802536A SE8802536D0 (sv) 1988-07-07 1988-07-07 Metod och apparat for spektroskopisk metning av koncentrationen av en gas i ett prov

Country Status (10)

Country Link
US (1) US5173749A (sv)
EP (1) EP0423223B1 (sv)
JP (1) JP3108420B2 (sv)
AT (1) ATE127584T1 (sv)
DE (1) DE68924163T2 (sv)
DK (1) DK306690A (sv)
FI (1) FI910043A0 (sv)
NO (1) NO304620B1 (sv)
SE (1) SE8802536D0 (sv)
WO (1) WO1990000732A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114279985A (zh) * 2021-12-22 2022-04-05 中国科学技术大学先进技术研究院 基于稳频激光的气体浓度检测系统

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JP3108420B2 (ja) 2000-11-13
NO910008D0 (no) 1991-01-03
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DE68924163D1 (de) 1995-10-12
DK306690A (da) 1991-02-21
NO304620B1 (no) 1999-01-18
US5173749A (en) 1992-12-22
JPH03505782A (ja) 1991-12-12
EP0423223B1 (en) 1995-09-06
WO1990000732A1 (en) 1990-01-25
NO910008L (no) 1991-02-07
EP0423223A1 (en) 1991-04-24
FI910043A0 (fi) 1991-01-04
DE68924163T2 (de) 1996-05-02
ATE127584T1 (de) 1995-09-15

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