CA1319833C - Detecteur de gaz a infrarouge - Google Patents
Detecteur de gaz a infrarougeInfo
- Publication number
- CA1319833C CA1319833C CA 615459 CA615459A CA1319833C CA 1319833 C CA1319833 C CA 1319833C CA 615459 CA615459 CA 615459 CA 615459 A CA615459 A CA 615459A CA 1319833 C CA1319833 C CA 1319833C
- Authority
- CA
- Canada
- Prior art keywords
- chamber
- gas
- sample
- analyte
- analyzer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000007789 gas Substances 0.000 claims abstract description 56
- 230000005855 radiation Effects 0.000 claims abstract description 42
- 239000012491 analyte Substances 0.000 claims abstract description 41
- 239000011261 inert gas Substances 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 239000012080 ambient air Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000003570 air Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000013480 data collection Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis 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
- G01N21/25—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
- G01N21/25—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
- G01N2021/3129—Determining multicomponents by multiwavelength light
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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 615459 CA1319833C (fr) | 1989-09-29 | 1989-09-29 | Detecteur de gaz a infrarouge |
| PCT/CA1990/000288 WO1991005240A1 (fr) | 1989-09-29 | 1990-09-10 | Detecteur de gaz fonctionnant aux infrarouges |
| DE69007291T DE69007291T2 (de) | 1989-09-29 | 1990-09-10 | Infrarot-gasdetektor. |
| US07/720,428 US5170064A (en) | 1989-09-29 | 1990-09-10 | Infrared-based gas detector using a cavity having elliptical reflecting surface |
| AU62910/90A AU6291090A (en) | 1989-09-29 | 1990-09-10 | Infrared-based gas detector |
| EP90912732A EP0493401B1 (fr) | 1989-09-29 | 1990-09-10 | Detecteur de gaz fonctionnant aux infrarouges |
| JP2512096A JP2895622B2 (ja) | 1989-09-29 | 1990-09-10 | 赤外線を用いたガス検出器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 615459 CA1319833C (fr) | 1989-09-29 | 1989-09-29 | Detecteur de gaz a infrarouge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1319833C true CA1319833C (fr) | 1993-07-06 |
Family
ID=4140909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 615459 Expired - Fee Related CA1319833C (fr) | 1989-09-29 | 1989-09-29 | Detecteur de gaz a infrarouge |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1319833C (fr) |
-
1989
- 1989-09-29 CA CA 615459 patent/CA1319833C/fr not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |