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 AIRInfo
- 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
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title 1
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)
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)
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 |
-
1978
- 1978-06-23 DD DD20622478A patent/DD137323A1/en unknown
Cited By (5)
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
Date | Code | Title | Description |
---|---|---|---|
RPI | Change in the person, name or address of the patentee (searches according to art. 11 and 12 extension act) |