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FR2142525A5 - - Google Patents

Info

Publication number
FR2142525A5
FR2142525A5 FR7221942A FR7221942A FR2142525A5 FR 2142525 A5 FR2142525 A5 FR 2142525A5 FR 7221942 A FR7221942 A FR 7221942A FR 7221942 A FR7221942 A FR 7221942A FR 2142525 A5 FR2142525 A5 FR 2142525A5
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.)
Expired
Application number
FR7221942A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR2142525A5 publication Critical patent/FR2142525A5/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)
FR7221942A 1971-06-18 1972-06-16 Expired FR2142525A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712130331 DE2130331C3 (en) 1971-06-18 1971-06-18 Method and device for determining the concentrations of the components of a mixture consisting of two gases and smoke

Publications (1)

Publication Number Publication Date
FR2142525A5 true FR2142525A5 (en) 1973-01-26

Family

ID=5811150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7221942A Expired FR2142525A5 (en) 1971-06-18 1972-06-16

Country Status (5)

Country Link
CH (1) CH551622A (en)
DE (1) DE2130331C3 (en)
FR (1) FR2142525A5 (en)
GB (1) GB1390227A (en)
IT (1) IT956679B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126396A (en) * 1975-05-16 1978-11-21 Erwin Sick Gesellschaft Mit Beschrankter Haftung, Optik-Elektronic Device for the non-dispersive optical determination of the concentration of gas and smoke components
FR2464470A1 (en) * 1979-08-29 1981-03-06 Econics Corp ELECTRO-OPTICAL APPARATUS FOR ANALYZING A CARBON GAS
FR2474166A1 (en) * 1980-01-23 1981-07-24 Commissariat Energie Atomique PHOTOMETRIC MEASURING DEVICE FOR VARIABLE BACKGROUND NOISE COMPLEX SOLUTIONS

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2559806C3 (en) * 1975-05-16 1985-12-12 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for determining the concentration of components of an exhaust gas mixture consisting of various gases and possibly smoke particles
DE2723939C2 (en) * 1977-05-24 1983-01-05 Hans-Jörg Dr.rer.nat. 8520 Erlangen Albrecht Device for respiratory gas analysis
NL94317C (en) * 1978-11-29
DE3541165A1 (en) * 1985-11-21 1987-05-27 Hellige Gmbh DEVICE FOR CONTINUOUSLY DETERMINING CONCENTRATION CHANGES IN MIXTURES
US8899097B2 (en) 2011-10-18 2014-12-02 The Boeing Company Airborne impurities detection
US10925515B2 (en) 2014-05-22 2021-02-23 Picomole Inc. Alveolar breath collection apparatus
US10666012B2 (en) 2017-03-13 2020-05-26 Picomole Inc. Apparatus and method of optimizing laser system
US11035789B2 (en) 2019-04-03 2021-06-15 Picomole Inc. Cavity ring-down spectroscopy system and method of modulating a light beam therein
US11957450B2 (en) 2020-02-28 2024-04-16 Picomole Inc. Apparatus and method for collecting a breath sample using an air circulation system
US11782049B2 (en) 2020-02-28 2023-10-10 Picomole Inc. Apparatus and method for collecting a breath sample using a container with controllable volume

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126396A (en) * 1975-05-16 1978-11-21 Erwin Sick Gesellschaft Mit Beschrankter Haftung, Optik-Elektronic Device for the non-dispersive optical determination of the concentration of gas and smoke components
FR2464470A1 (en) * 1979-08-29 1981-03-06 Econics Corp ELECTRO-OPTICAL APPARATUS FOR ANALYZING A CARBON GAS
FR2474166A1 (en) * 1980-01-23 1981-07-24 Commissariat Energie Atomique PHOTOMETRIC MEASURING DEVICE FOR VARIABLE BACKGROUND NOISE COMPLEX SOLUTIONS
EP0033253A2 (en) * 1980-01-23 1981-08-05 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Device for the photometrical measurement of complex solutions with varying background noise
EP0033253A3 (en) * 1980-01-23 1982-05-05 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel Device for the photometrical measurement of complex solutions with varying background noise
EP0149859A2 (en) * 1980-01-23 1985-07-31 Commissariat A L'energie Atomique Photometric measuring device for complex solutions with varying background noise
EP0149859A3 (en) * 1980-01-23 1985-10-30 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel Photometric measuring device for complex solutions with varying background noise

Also Published As

Publication number Publication date
DE2130331B2 (en) 1977-03-17
CH551622A (en) 1974-07-15
DE2130331A1 (en) 1972-12-21
GB1390227A (en) 1975-04-09
IT956679B (en) 1973-10-10
DE2130331C3 (en) 1978-06-29

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse