JPS4945788A - - Google Patents

Info

Publication number
JPS4945788A
JPS4945788A JP8882672A JP8882672A JPS4945788A JP S4945788 A JPS4945788 A JP S4945788A JP 8882672 A JP8882672 A JP 8882672A JP 8882672 A JP8882672 A JP 8882672A JP S4945788 A JPS4945788 A JP S4945788A
Authority
JP
Japan
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.)
Pending
Application number
JP8882672A
Inventor
Katsumi Takami
Chiaki Shinho
Tadashi Suda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8882672A priority Critical patent/JPS4945788A/ja
Priority to DE19732344398 priority patent/DE2344398A1/de
Priority to US39425673 priority patent/US3893770A/en
Publication of JPS4945788A publication Critical patent/JPS4945788A/ja
Pending 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
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1215—Correction signals for interfering gases

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)
JP8882672A 1972-09-05 1972-09-05 Pending JPS4945788A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8882672A JPS4945788A (ja) 1972-09-05 1972-09-05
DE19732344398 DE2344398A1 (de) 1972-09-05 1973-09-03 Verfahren und vorrichtung zur analyse einer mehrzahl von miteinander gemischten gasen
US39425673 US3893770A (en) 1972-09-05 1973-09-04 Apparatus for analysing a plurality of mixed gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8882672A JPS4945788A (ja) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
JPS4945788A true JPS4945788A (ja) 1974-05-01

Family

ID=13953725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8882672A Pending JPS4945788A (ja) 1972-09-05 1972-09-05

Country Status (3)

Country Link
US (1) US3893770A (ja)
JP (1) JPS4945788A (ja)
DE (1) DE2344398A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567664A (en) * 1979-06-30 1981-01-26 Eidai Co Ltd Preparation of decorative material
JPS567666A (en) * 1979-06-30 1981-01-26 Eidai Co Ltd Preparation of decorative material

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847176C2 (de) * 1977-10-31 1982-05-06 Hitachi, Ltd., Tokyo Verfahren zur photometrischen Bestimmung von Substanzen im Blutserum
DE2939735A1 (de) * 1979-10-01 1981-04-16 Hartmann & Braun Ag, 6000 Frankfurt Fotoelektrisches gasanalysegeraet
DE3029945A1 (de) * 1980-08-07 1982-02-18 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Anordnung zur ermittlung der konzentration eines stoffes in einem stoffgemisch
US4423739A (en) * 1981-08-24 1984-01-03 Andros Analyzers Incorporated End tidal carbon dioxide gas analyzer
US4692621A (en) * 1985-10-11 1987-09-08 Andros Anlayzers Incorporated Digital anesthetic agent analyzer
DE3625490A1 (de) * 1986-07-28 1988-02-04 Kernforschungsz Karlsruhe Multikomponenten-prozessanalysensystem
US4817013A (en) * 1986-10-17 1989-03-28 Nellcor, Inc. Multichannel gas analyzer and method of use
US4829183A (en) * 1987-09-11 1989-05-09 Andros Analyzers Incorporated Dual sample cell gas analyzer
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
US5272345A (en) * 1989-09-22 1993-12-21 Ada Technologies, Inc. Calibration method and apparatus for measuring the concentration of components in a fluid
US5070246A (en) * 1989-09-22 1991-12-03 Ada Technologies, Inc. Spectrometer for measuring the concentration of components in a fluid stream and method for using same
US5719397A (en) * 1993-10-04 1998-02-17 Spectrasense Limited Target material detection
US5925831A (en) 1997-10-18 1999-07-20 Cardiopulmonary Technologies, Inc. Respiratory air flow sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748044A (en) * 1969-09-02 1973-07-24 Abbott Lab Digital chemical analysis apparatus
US3790797A (en) * 1971-09-07 1974-02-05 S Sternberg Method and system for the infrared analysis of gases

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567664A (en) * 1979-06-30 1981-01-26 Eidai Co Ltd Preparation of decorative material
JPS567666A (en) * 1979-06-30 1981-01-26 Eidai Co Ltd Preparation of decorative material
JPS6257390B2 (ja) * 1979-06-30 1987-12-01 Eidai Co Ltd
JPS635153B2 (ja) * 1979-06-30 1988-02-02 Eidai Co Ltd

Also Published As

Publication number Publication date
US3893770A (en) 1975-07-08
DE2344398A1 (de) 1974-04-04

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