GB1538833A - Device for measuring the concentration of gas - Google Patents

Device for measuring the concentration of gas

Info

Publication number
GB1538833A
GB1538833A GB4933677A GB4933677A GB1538833A GB 1538833 A GB1538833 A GB 1538833A GB 4933677 A GB4933677 A GB 4933677A GB 4933677 A GB4933677 A GB 4933677A GB 1538833 A GB1538833 A GB 1538833A
Authority
GB
United Kingdom
Prior art keywords
concentration
measuring
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
Application number
GB4933677A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4933677A priority Critical patent/GB1538833A/en
Publication of GB1538833A publication Critical patent/GB1538833A/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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
GB4933677A 1977-11-28 1977-11-28 Device for measuring the concentration of gas Expired GB1538833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4933677A GB1538833A (en) 1977-11-28 1977-11-28 Device for measuring the concentration of gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4933677A GB1538833A (en) 1977-11-28 1977-11-28 Device for measuring the concentration of gas

Publications (1)

Publication Number Publication Date
GB1538833A true GB1538833A (en) 1979-01-24

Family

ID=10452011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4933677A Expired GB1538833A (en) 1977-11-28 1977-11-28 Device for measuring the concentration of gas

Country Status (1)

Country Link
GB (1) GB1538833A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906536A1 (en) * 1979-02-20 1980-09-18 Inst Khim Fiz An Sssr Multiple reflection optical system - has reflecting member comprising two concave mirrors, one with focal length 1.5 times that of other
DE3700580A1 (en) * 1987-01-10 1988-07-21 Leybold Ag Cell for gas analysers
GB2226401A (en) * 1988-12-13 1990-06-27 Robin John Hutchinson Gas analysis apparatus
GB2262338A (en) * 1991-07-02 1993-06-16 Stephen William Goom Infra red gas detector
NL1024364C2 (en) * 2003-09-24 2005-03-29 Berli B V Gas sensor.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906536A1 (en) * 1979-02-20 1980-09-18 Inst Khim Fiz An Sssr Multiple reflection optical system - has reflecting member comprising two concave mirrors, one with focal length 1.5 times that of other
DE3700580A1 (en) * 1987-01-10 1988-07-21 Leybold Ag Cell for gas analysers
GB2226401A (en) * 1988-12-13 1990-06-27 Robin John Hutchinson Gas analysis apparatus
GB2226401B (en) * 1988-12-13 1992-11-25 Robin John Hutchinson Gas analysis
GB2262338A (en) * 1991-07-02 1993-06-16 Stephen William Goom Infra red gas detector
NL1024364C2 (en) * 2003-09-24 2005-03-29 Berli B V Gas sensor.
WO2005029048A1 (en) * 2003-09-24 2005-03-31 Berli B.V. Gas sensor
US7564032B2 (en) 2003-09-24 2009-07-21 Berli B.V. Gas sensor

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Legal Events

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