CH679076A5 - - Google Patents
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- 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
Links
- 238000000034 method Methods 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000004868 gas analysis Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 125
- 238000005259 measurement Methods 0.000 description 27
- 229910001868 water Inorganic materials 0.000 description 17
- 230000029553 photosynthesis Effects 0.000 description 7
- 238000010672 photosynthesis Methods 0.000 description 7
- 238000010926 purge Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000003795 desorption Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008033 biological extinction Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000243 photosynthetic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010895 photoacoustic effect Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 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
- G01N21/1702—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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH219589A CH679076A5 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) | 1989-06-13 | 1989-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH679076A5 true CH679076A5 (enrdf_load_stackoverflow) | 1991-12-13 |
Family
ID=4228109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH219589A CH679076A5 (enrdf_load_stackoverflow) | 1989-06-13 | 1989-06-13 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH679076A5 (enrdf_load_stackoverflow) |
| DE (1) | DE4018393A1 (enrdf_load_stackoverflow) |
Cited By (3)
| 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)
| 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 |
| ES2294065T3 (es) * | 2002-06-01 | 2008-04-01 | Siemens Schweiz Ag | Detector de gas optico. |
| 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 |
-
1989
- 1989-06-13 CH CH219589A patent/CH679076A5/de not_active IP Right Cessation
-
1990
- 1990-06-08 DE DE19904018393 patent/DE4018393A1/de not_active Withdrawn
Cited By (4)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |