FR2223691A1 - - Google Patents

Info

Publication number
FR2223691A1
FR2223691A1 FR7411399A FR7411399A FR2223691A1 FR 2223691 A1 FR2223691 A1 FR 2223691A1 FR 7411399 A FR7411399 A FR 7411399A FR 7411399 A FR7411399 A FR 7411399A FR 2223691 A1 FR2223691 A1 FR 2223691A1
Authority
FR
France
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
FR7411399A
Other languages
French (fr)
Other versions
FR2223691B1 (it
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2223691A1 publication Critical patent/FR2223691A1/fr
Application granted granted Critical
Publication of FR2223691B1 publication Critical patent/FR2223691B1/fr
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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

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)
FR7411399A 1973-03-30 1974-03-29 Expired FR2223691B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1535073A GB1470381A (en) 1973-03-30 1973-03-30 Absorption measurement apparatus for analysing internal com bustion engine exhaust gas

Publications (2)

Publication Number Publication Date
FR2223691A1 true FR2223691A1 (it) 1974-10-25
FR2223691B1 FR2223691B1 (it) 1977-10-21

Family

ID=10057587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7411399A Expired FR2223691B1 (it) 1973-03-30 1974-03-29

Country Status (7)

Country Link
JP (1) JPS5030580A (it)
CA (1) CA1000070A (it)
DE (1) DE2414229A1 (it)
FR (1) FR2223691B1 (it)
GB (1) GB1470381A (it)
IT (1) IT1011642B (it)
NL (1) NL7404028A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004478A1 (en) * 1984-03-23 1985-10-10 Sähköliikkeiden Oy Procedure for measuring contents of hydrocarbons in liquids containing such
DE19631689A1 (de) * 1995-08-07 1997-02-13 Fuji Electric Co Ltd Mehrfachreflexions-Probenzelle

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480191A (en) * 1982-09-27 1984-10-30 Sun Electric Corporation Automatic gain control for an infrared source of an automotive emissions analyzer
AT379452B (de) * 1983-04-21 1986-01-10 Avl Verbrennungskraft Messtech Verfahren zur bestimmung der massen von absorbierenden anteilen einer probe und vorrichtung zur durchfuehrung des verfahrens
US4549080A (en) * 1983-06-17 1985-10-22 Infrared Industries, Inc. Double-pass flue gas analyzer
DE3582120D1 (de) * 1984-11-13 1991-04-18 Shields Instr Ltd Infrarot-spektrophotometrische vorrichtung.
AT391208B (de) * 1985-12-09 1990-09-10 Avl Verbrennungskraft Messtech Verfahren zur quantitativen messung von kohlenwasserstoffen
US5055690A (en) * 1989-02-10 1991-10-08 Gas Research Institute Method of eliminating water vapor interference in detecting gases
US4996431A (en) * 1989-02-10 1991-02-26 Gas Research Institute Selective gas detecting apparatus
US4958076A (en) * 1989-02-10 1990-09-18 Gas Research Institute Selective natural gas detecting apparatus
JPH02144277U (it) * 1989-04-28 1990-12-06
GB9616809D0 (en) * 1996-08-10 1996-09-25 Eev Ltd Gas monitors
US7835005B2 (en) * 2008-02-21 2010-11-16 Thermo Fisher Scientific Inc. Gas analyzer system
CN102621106A (zh) * 2012-03-27 2012-08-01 北京智威宇讯科技有限公司 多倍光程反射腔体
WO2014150447A1 (en) * 2013-03-15 2014-09-25 Grove Instruments Inc. Multiplexing and non-multiplexing noninvasive analyte concentration measurement system and methods
JP7289272B2 (ja) * 2019-11-27 2023-06-09 ポリマー キャラクタライゼーション，エセ．アー． 試料中の成分吸光度を測定するための赤外線検出器および方法
WO2023120231A1 (ja) * 2021-12-20 2023-06-29 株式会社堀場製作所 分析装置、及び、分析方法
DE102022204582A1 (de) 2022-05-11 2023-11-16 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zur korrekten Zuordnung zumindest eines Filters zu vorgegebenem Licht, insbesondere für eine Anwendung in der Molekular- oder Medizindiagnostik

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004478A1 (en) * 1984-03-23 1985-10-10 Sähköliikkeiden Oy Procedure for measuring contents of hydrocarbons in liquids containing such
US4707603A (en) * 1984-03-23 1987-11-17 Sahkoliikkeiden Oy Procedure for measuring contents of hydrocarbons in liquids containing such
DE19631689A1 (de) * 1995-08-07 1997-02-13 Fuji Electric Co Ltd Mehrfachreflexions-Probenzelle
US5726752A (en) * 1995-08-07 1998-03-10 Fuji Electric Co., Ltd. Sample cell of multiple reflection type

Also Published As

Publication number Publication date
JPS5030580A (it) 1975-03-26
GB1470381A (en) 1977-04-14
CA1000070A (en) 1976-11-23
FR2223691B1 (it) 1977-10-21
IT1011642B (it) 1977-02-10
DE2414229A1 (de) 1974-10-10
NL7404028A (it) 1974-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse