CH484425A - Method and measuring device for determining the carbon monoxide content in exhaust gases from combustion engines - Google Patents
Method and measuring device for determining the carbon monoxide content in exhaust gases from combustion enginesInfo
- Publication number
- CH484425A CH484425A CH1539568A CH1539568A CH484425A CH 484425 A CH484425 A CH 484425A CH 1539568 A CH1539568 A CH 1539568A CH 1539568 A CH1539568 A CH 1539568A CH 484425 A CH484425 A CH 484425A
- Authority
- CH
- Switzerland
- Prior art keywords
- determining
- measuring device
- carbon monoxide
- exhaust gases
- combustion engines
- Prior art date
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title 1
- 229910002091 carbon monoxide Inorganic materials 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000000034 method Methods 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
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0112405 | 1967-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH484425A true CH484425A (en) | 1970-01-15 |
Family
ID=7531757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1539568A CH484425A (en) | 1967-10-16 | 1968-10-15 | Method and measuring device for determining the carbon monoxide content in exhaust gases from combustion engines |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH484425A (en) |
FR (1) | FR1588321A (en) |
GB (1) | GB1186957A (en) |
NL (1) | NL6810428A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3734631A (en) * | 1971-05-28 | 1973-05-22 | Hewlett Packard Co | Nondispersive infrared gas analyzer employing solid state emitters and photodetectors |
GB8602328D0 (en) * | 1986-01-30 | 1986-03-05 | Cogent Ltd | Chemical monitor |
GB8718151D0 (en) * | 1987-07-31 | 1987-09-09 | Sieger Ltd | Gas analyser |
-
1968
- 1968-07-23 NL NL6810428A patent/NL6810428A/xx unknown
- 1968-10-09 FR FR1588321D patent/FR1588321A/fr not_active Expired
- 1968-10-14 GB GB4850768A patent/GB1186957A/en not_active Expired
- 1968-10-15 CH CH1539568A patent/CH484425A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1186957A (en) | 1970-04-08 |
NL6810428A (en) | 1969-04-18 |
FR1588321A (en) | 1970-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |