DD137323A1 - METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR - Google Patents

METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR

Info

Publication number
DD137323A1
DD137323A1 DD20622478A DD20622478A DD137323A1 DD 137323 A1 DD137323 A1 DD 137323A1 DD 20622478 A DD20622478 A DD 20622478A DD 20622478 A DD20622478 A DD 20622478A DD 137323 A1 DD137323 A1 DD 137323A1
Authority
DD
German Democratic Republic
Prior art keywords
determining
content
relative
breathing air
breathing
Prior art date
Application number
DD20622478A
Other languages
German (de)
Inventor
Klaus Wetzel
Heinz Gerstenberger
Original Assignee
Klaus Wetzel
Heinz Gerstenberger
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 Klaus Wetzel, Heinz Gerstenberger filed Critical Klaus Wetzel
Priority to DD20622478A priority Critical patent/DD137323A1/en
Publication of DD137323A1 publication Critical patent/DD137323A1/en

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
    • 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
    • G01N21/59—Transmissivity
    • G01N21/61—Non-dispersive gas analysers

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)
DD20622478A 1978-06-23 1978-06-23 METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR DD137323A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD20622478A DD137323A1 (en) 1978-06-23 1978-06-23 METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20622478A DD137323A1 (en) 1978-06-23 1978-06-23 METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR

Publications (1)

Publication Number Publication Date
DD137323A1 true DD137323A1 (en) 1979-08-29

Family

ID=5513237

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20622478A DD137323A1 (en) 1978-06-23 1978-06-23 METHOD FOR DETERMINING THE RELATIVE C-13 CONTENT OF THE BREATHING AIR

Country Status (1)

Country Link
DD (1) DD137323A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315968A1 (en) * 1993-05-10 1994-11-24 Mannesmann Ag Method and device for measuring <12>C and <13>C proportions
DE4419458C2 (en) * 1994-06-03 2003-11-27 Fisher Rosemount Gmbh & Co Ges Method for measuring the purity of carbon dioxide
EP1596181A3 (en) * 1995-10-09 2008-11-19 Otsuka Pharmaceutical Company, Limited Method for spectrometrically measuring isotopic gas and apparatus thereof
DE10292249B4 (en) * 2001-05-25 2015-10-29 Fischer Analysen Instrumente Gmbh Method for measuring the 13CO2 / 12CO2 ratio in the respiratory air of intubated subjects

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315968A1 (en) * 1993-05-10 1994-11-24 Mannesmann Ag Method and device for measuring <12>C and <13>C proportions
DE4419458C2 (en) * 1994-06-03 2003-11-27 Fisher Rosemount Gmbh & Co Ges Method for measuring the purity of carbon dioxide
EP1596181A3 (en) * 1995-10-09 2008-11-19 Otsuka Pharmaceutical Company, Limited Method for spectrometrically measuring isotopic gas and apparatus thereof
EP1596184A3 (en) * 1995-10-09 2008-11-19 Otsuka Pharmaceutical Company, Limited Method for spectrometrically measuring isotopic gas and apparatus thereof
DE10292249B4 (en) * 2001-05-25 2015-10-29 Fischer Analysen Instrumente Gmbh Method for measuring the 13CO2 / 12CO2 ratio in the respiratory air of intubated subjects

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Legal Events

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RPI Change in the person, name or address of the patentee (searches according to art. 11 and 12 extension act)