GB2237630B - Apparatus for sensing a gas - Google Patents

Apparatus for sensing a gas

Info

Publication number
GB2237630B
GB2237630B GB8924620A GB8924620A GB2237630B GB 2237630 B GB2237630 B GB 2237630B GB 8924620 A GB8924620 A GB 8924620A GB 8924620 A GB8924620 A GB 8924620A GB 2237630 B GB2237630 B GB 2237630B
Authority
GB
United Kingdom
Prior art keywords
sensing
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.)
Expired - Fee Related
Application number
GB8924620A
Other versions
GB8924620D0 (en
GB2237630A (en
Inventor
John Philip Dakin
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.)
York Ltd
Original Assignee
York Ltd
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 York Ltd filed Critical York Ltd
Priority to GB8924620A priority Critical patent/GB2237630B/en
Publication of GB8924620D0 publication Critical patent/GB8924620D0/en
Publication of GB2237630A publication Critical patent/GB2237630A/en
Application granted granted Critical
Publication of GB2237630B publication Critical patent/GB2237630B/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

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)
GB8924620A 1989-11-01 1989-11-01 Apparatus for sensing a gas Expired - Fee Related GB2237630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8924620A GB2237630B (en) 1989-11-01 1989-11-01 Apparatus for sensing a gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8924620A GB2237630B (en) 1989-11-01 1989-11-01 Apparatus for sensing a gas

Publications (3)

Publication Number Publication Date
GB8924620D0 GB8924620D0 (en) 1989-12-20
GB2237630A GB2237630A (en) 1991-05-08
GB2237630B true GB2237630B (en) 1993-10-13

Family

ID=10665536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8924620A Expired - Fee Related GB2237630B (en) 1989-11-01 1989-11-01 Apparatus for sensing a gas

Country Status (1)

Country Link
GB (1) GB2237630B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8358417B2 (en) * 2010-10-21 2013-01-22 Spectrasensors, Inc. Spectrometer with validation cell
US20230098004A1 (en) * 2021-09-24 2023-03-30 Servomex Group Limited Electromagnetic control of absorption and suppression of spectral artifacts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233087B (en) * 1989-05-31 1993-09-29 York Ltd Apparatus for monitoring a gas

Also Published As

Publication number Publication date
GB8924620D0 (en) 1989-12-20
GB2237630A (en) 1991-05-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961101