CA1074148A - Infrared gas analysis of molecular species - Google Patents
Infrared gas analysis of molecular speciesInfo
- Publication number
- CA1074148A CA1074148A CA269,348A CA269348A CA1074148A CA 1074148 A CA1074148 A CA 1074148A CA 269348 A CA269348 A CA 269348A CA 1074148 A CA1074148 A CA 1074148A
- Authority
- CA
- Canada
- Prior art keywords
- light
- molecular species
- frequency
- adjacent
- intensity
- 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
Links
- 238000004868 gas analysis Methods 0.000 title abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 55
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 15
- 230000003750 conditioning effect Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000009102 absorption Effects 0.000 claims description 54
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000000862 absorption spectrum Methods 0.000 claims description 34
- 230000003595 spectral effect Effects 0.000 claims description 26
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 7
- 230000002452 interceptive effect Effects 0.000 claims description 6
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000011896 sensitive detection Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 3
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 3
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 2
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 2
- LYQFWZFBNBDLEO-UHFFFAOYSA-M caesium bromide Chemical compound [Br-].[Cs+] LYQFWZFBNBDLEO-UHFFFAOYSA-M 0.000 claims description 2
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 claims description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 239000000470 constituent Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 19
- 238000000926 separation method Methods 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 238000002310 reflectometry Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010013710 Drug interaction Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/647,388 US4035643A (en) | 1974-06-11 | 1976-01-08 | Infrared gas analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1074148A true CA1074148A (en) | 1980-03-25 |
Family
ID=24596799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA269,348A Expired CA1074148A (en) | 1976-01-08 | 1977-01-07 | Infrared gas analysis of molecular species |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5289978A (OSRAM) |
| CA (1) | CA1074148A (OSRAM) |
| DE (1) | DE2700422A1 (OSRAM) |
| FR (1) | FR2337881A2 (OSRAM) |
| GB (1) | GB1570899A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902896A (en) * | 1987-05-08 | 1990-02-20 | Mine Safety Appliances Company | Infrared fluid analyzer |
| DE102004041373B3 (de) * | 2004-08-25 | 2006-02-09 | Technische Universität Dresden | Verfahren zur Gewinnung von rauscharmen Messsignalen für einen schnellen infrarotoptischen Sensor |
| CN110346292B (zh) * | 2019-01-04 | 2024-06-25 | 内蒙古光能科技有限公司 | 一种光路可调的气体检测装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939348A (en) * | 1974-06-11 | 1976-02-17 | Allied Chemical Corporation | Infrared gas analysis |
| US3984190A (en) * | 1974-11-26 | 1976-10-05 | Allied Chemical Corporation | Simultaneous transmission of periodic spectral components by plural interferometric means |
-
1977
- 1977-01-05 GB GB21277A patent/GB1570899A/en not_active Expired
- 1977-01-07 JP JP71677A patent/JPS5289978A/ja active Pending
- 1977-01-07 DE DE19772700422 patent/DE2700422A1/de not_active Withdrawn
- 1977-01-07 FR FR7700423A patent/FR2337881A2/fr active Granted
- 1977-01-07 CA CA269,348A patent/CA1074148A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2337881A2 (fr) | 1977-08-05 |
| FR2337881B2 (OSRAM) | 1981-07-31 |
| DE2700422A1 (de) | 1977-08-18 |
| JPS5289978A (en) | 1977-07-28 |
| GB1570899A (en) | 1980-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |