CH679076A5 - - Google Patents

Download PDF

Info

Publication number
CH679076A5
CH679076A5 CH219589A CH219589A CH679076A5 CH 679076 A5 CH679076 A5 CH 679076A5 CH 219589 A CH219589 A CH 219589A CH 219589 A CH219589 A CH 219589A CH 679076 A5 CH679076 A5 CH 679076A5
Authority
CH
Switzerland
Prior art keywords
gas
leaf
cuvette
analyzer
measuring
Prior art date
Application number
CH219589A
Other languages
German (de)
English (en)
Inventor
Oscar Dr Sc Nat Oehler
Herbert Dr Sc Nat Blum
Rolf Pleisch
Original Assignee
Oscar Dr Sc Nat Oehler
Herbert Dr Sc Nat Blum
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 Oscar Dr Sc Nat Oehler, Herbert Dr Sc Nat Blum filed Critical Oscar Dr Sc Nat Oehler
Priority to CH219589A priority Critical patent/CH679076A5/de
Priority to DE19904018393 priority patent/DE4018393A1/de
Publication of CH679076A5 publication Critical patent/CH679076A5/de

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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N2021/635—Photosynthetic material analysis, e.g. chrorophyll

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH219589A 1989-06-13 1989-06-13 CH679076A5 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH219589A CH679076A5 (ja) 1989-06-13 1989-06-13
DE19904018393 DE4018393A1 (de) 1989-06-13 1990-06-08 Verfahren und vorrichtung zum messen von photosynthese-austauschgasen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH219589A CH679076A5 (ja) 1989-06-13 1989-06-13

Publications (1)

Publication Number Publication Date
CH679076A5 true CH679076A5 (ja) 1991-12-13

Family

ID=4228109

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219589A CH679076A5 (ja) 1989-06-13 1989-06-13

Country Status (2)

Country Link
CH (1) CH679076A5 (ja)
DE (1) DE4018393A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0760474A1 (de) 1995-09-04 1997-03-05 Cerberus Ag Photoakustischer Gassensor und dessen Verwendung
EP0855592B1 (de) * 1997-01-25 2006-07-12 Siemens Schweiz AG Optoakustischer Gassensor
US8561454B2 (en) 2010-10-28 2013-10-22 Empire Technology Development Llc Photoacoustic sensor

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130639A1 (de) * 1991-09-14 1993-03-18 Reinhard Dr Niessner Verfahren zur quantitativen und qualitativen erfassung von kohlenwasserstoffhaltigen russschwebeteilchen in gasen
DE4223082A1 (de) * 1992-07-14 1992-11-19 Walz Heinz Gmbh Tragbare gaswechselkammer mit tragbarer versorgungsanordnung
CH685889A5 (de) * 1994-09-07 1995-10-31 Scr Crevoiserat S A Verfahren und Vorrichtung zur Bestimmung von Gaskonzentrationen in einem Gasgemisch
US5900533A (en) * 1995-08-03 1999-05-04 Trw Inc. System and method for isotope ratio analysis and gas detection by photoacoustics
DE10132477A1 (de) * 2001-07-03 2003-01-23 Siemens Ag Erfassungseinrichtung für ein Fluid und Verfahren zur Ermittlung des Wechsels einer Fluidart
ATE373817T1 (de) * 2002-06-01 2007-10-15 Siemens Schweiz Ag Optischer gasmelder
EP1574841A1 (de) * 2004-03-08 2005-09-14 Siemens Building Technologies AG Photoakustischer Gassensor
EP1574840A1 (de) * 2004-03-08 2005-09-14 Siemens Building Technologies AG Photoakustischer Gassensor und Verfahren zu dessen Herstellung
EP1582857A1 (de) * 2004-04-02 2005-10-05 Siemens Building Technologies AG Photoakustischer Gassensor mit einer Strahleranordnung mit einem Reflektor, und Verfahren zur Optimierung der Kontur des Reflektors
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753797A (en) * 1995-04-09 1998-05-19 Cerberus Ag Photo-acoustic gas sensor and its manufacture and use
EP0760474A1 (de) 1995-09-04 1997-03-05 Cerberus Ag Photoakustischer Gassensor und dessen Verwendung
EP0855592B1 (de) * 1997-01-25 2006-07-12 Siemens Schweiz AG Optoakustischer Gassensor
US8561454B2 (en) 2010-10-28 2013-10-22 Empire Technology Development Llc Photoacoustic sensor

Also Published As

Publication number Publication date
DE4018393A1 (de) 1990-12-20

Similar Documents

Publication Publication Date Title
DE69635688T2 (de) Atemgasprobentasche und Gasmessvorrichtung
DE3137658C2 (de) Vorrichtung zur Messung der Konzentration eines IR-, NIR-, VIS- oder UV-Strahlung absorbierenden Gases in einer Gasmatrix
DE60212444T2 (de) Verfahren zur quantitativen hämoglobinbestimmung in unverdünntem nichthämolysiertem vollblut
DE3103476C2 (ja)
DE69127670T2 (de) Optisches Analysegerät
DE19925196C2 (de) Gassensoranordnung
CH679076A5 (ja)
EP2003441A1 (de) ATR-Sensor
DE102014106489A1 (de) Vorrichtung und Vorrichtungs-Steuerungsverfahren zur quantitativen Konzentrationsbestimmung ausgewählter aus einem Patientenkörper ausgefilterter Substanzen in einer Flüssigkeit
DE3750783T2 (de) Verfahren und Gerät zur Gasanalyse.
WO2006002740A1 (de) Nichtdispersiver infrarot-gasanalysator
DE10392663T5 (de) Foto-akustisches Erfassungsverfahren zum Messen der Konzentration von Nicht-Kolenwasserstoff-Komponenten einer methanhaltigen Gasmischung
DE3303510A1 (de) Rechnergesteuertes fluorometer mit auswerteeinheit zur schadstoffdetektion an intakten pflanzen und isolierten chloroplasten
DE3223167C2 (de) Verfahren zum Untersuchen von Wasser, das zersetzungsfähige Kohlenstoff-Verbindungen enthält
DD296758A5 (de) Verfahren und vorrichtung zur konzentrationsmessung durch dichroismus
DE2723939A1 (de) Vorrichtung zur atemgasanalyse
DE2627255B2 (de) Verfahren und Vorrichtung zum Erzeugen und Überführen einer gasförmigen Meßprobe
DE19748849A1 (de) Vorrichtung und Verfahren zur Messung der Konzentration von Stoffen in Flüssigkeiten
DE3938142C2 (ja)
EP2887054B1 (de) Messverfahren für einen optochemischen Sensor
DE2261456A1 (de) Pyrolytische analyse von fluessigkeiten
DE2521453C2 (ja)
DE102018204744A1 (de) Chemische Analysevorrichtung zur Messung der Ionenkonzentration eines Elektrolyten und Verfahren zu ihrem Betrieb
DE10057652A1 (de) Verfahren zur Messung der Opazität in Gasen
DE4332163A1 (de) Verfahren und Gerät zur Schadstoffanalyse von Gewässerproben

Legal Events

Date Code Title Description
PL Patent ceased