GB8829047D0 - Gas analysis - Google Patents

Gas analysis

Info

Publication number
GB8829047D0
GB8829047D0 GB888829047A GB8829047A GB8829047D0 GB 8829047 D0 GB8829047 D0 GB 8829047D0 GB 888829047 A GB888829047 A GB 888829047A GB 8829047 A GB8829047 A GB 8829047A GB 8829047 D0 GB8829047 D0 GB 8829047D0
Authority
GB
United Kingdom
Prior art keywords
gas analysis
analysis
gas
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.)
Granted
Application number
GB888829047A
Other versions
GB2226401A (en
GB2226401B (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.)
DAW CHRISTOPHER
Original Assignee
DAW CHRISTOPHER
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 DAW CHRISTOPHER filed Critical DAW CHRISTOPHER
Priority to GB8829047A priority Critical patent/GB2226401B/en
Publication of GB8829047D0 publication Critical patent/GB8829047D0/en
Publication of GB2226401A publication Critical patent/GB2226401A/en
Application granted granted Critical
Publication of GB2226401B publication Critical patent/GB2226401B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/3504—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
    • 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
    • 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
    • G01N2021/0314—Double pass, autocollimated path
    • 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
    • G01N2021/536—Measurement device mounted at stack
    • 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
    • G01N2021/8578—Gaseous flow
    • G01N2021/8585—Gaseous flow using porous sheets, e.g. for separating aerosols
GB8829047A 1988-12-13 1988-12-13 Gas analysis Expired - Fee Related GB2226401B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8829047A GB2226401B (en) 1988-12-13 1988-12-13 Gas analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8829047A GB2226401B (en) 1988-12-13 1988-12-13 Gas analysis

Publications (3)

Publication Number Publication Date
GB8829047D0 true GB8829047D0 (en) 1989-01-25
GB2226401A GB2226401A (en) 1990-06-27
GB2226401B GB2226401B (en) 1992-11-25

Family

ID=10648391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8829047A Expired - Fee Related GB2226401B (en) 1988-12-13 1988-12-13 Gas analysis

Country Status (1)

Country Link
GB (1) GB2226401B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262338A (en) * 1991-07-02 1993-06-16 Stephen William Goom Infra red gas detector
JP3818051B2 (en) * 1999-12-10 2006-09-06 昭和電工株式会社 Method and apparatus for measuring moisture concentration in ammonia, method for producing ammonia with reduced moisture, and use thereof
DE10131724B4 (en) * 2001-06-29 2007-10-18 Dräger Safety AG & Co. KGaA Optical absorption measuring device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792272A (en) * 1973-01-12 1974-02-12 Omicron Syst Corp Breath test device for organic components, including alcohol
US3861809A (en) * 1973-04-06 1975-01-21 Perkin Elmer Corp Confocal cavity optical gas sensor
GB1538833A (en) * 1977-11-28 1979-01-24 Adrian W Device for measuring the concentration of gas
GB2035552B (en) * 1978-11-29 1983-07-06 Land Pyrometers Ltd Radiation detection of gas compositions
EP0094706A3 (en) * 1982-05-14 1984-08-01 Combustion Developments Limited Gas analyser
US4632563A (en) * 1983-02-28 1986-12-30 The Syconex Corporation In-situ gas analyzer
GB8309211D0 (en) * 1983-04-05 1983-05-11 Edinburgh Instr Infra red absorption gas detectors
US4560873A (en) * 1983-06-17 1985-12-24 Lear Siegler, Inc. Situ multi-channel combustion gas analyzer
US4652756A (en) * 1985-05-20 1987-03-24 Westinghouse Electric Corp. Automated acousto-optic infra-red analyzer system for monitoring stack emissions
GB8609619D0 (en) * 1986-04-19 1986-05-21 Procal Analytics Gas analysis

Also Published As

Publication number Publication date
GB2226401A (en) 1990-06-27
GB2226401B (en) 1992-11-25

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071213