NL7404028A - - Google Patents
Info
- Publication number
- NL7404028A NL7404028A NL7404028A NL7404028A NL7404028A NL 7404028 A NL7404028 A NL 7404028A NL 7404028 A NL7404028 A NL 7404028A NL 7404028 A NL7404028 A NL 7404028A NL 7404028 A NL7404028 A NL 7404028A
- Authority
- NL
- Netherlands
Links
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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
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 |
|---|---|---|---|
| GB1535073A GB1470381A (en) | 1973-03-30 | 1973-03-30 | Absorption measurement apparatus for analysing internal com bustion engine exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7404028A true NL7404028A (enrdf_load_stackoverflow) | 1974-10-02 |
Family
ID=10057587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7404028A NL7404028A (enrdf_load_stackoverflow) | 1973-03-30 | 1974-03-26 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5030580A (enrdf_load_stackoverflow) |
| CA (1) | CA1000070A (enrdf_load_stackoverflow) |
| DE (1) | DE2414229A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2223691B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1470381A (enrdf_load_stackoverflow) |
| IT (1) | IT1011642B (enrdf_load_stackoverflow) |
| NL (1) | NL7404028A (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480191A (en) * | 1982-09-27 | 1984-10-30 | Sun Electric Corporation | Automatic gain control for an infrared source of an automotive emissions analyzer |
| AT379452B (de) * | 1983-04-21 | 1986-01-10 | Avl Verbrennungskraft Messtech | Verfahren zur bestimmung der massen von absorbierenden anteilen einer probe und vorrichtung zur durchfuehrung des verfahrens |
| US4549080A (en) * | 1983-06-17 | 1985-10-22 | Infrared Industries, Inc. | Double-pass flue gas analyzer |
| FI75675C (fi) * | 1984-03-23 | 1988-07-11 | Saehkoeliikkeiden Oy | Foerfarande foer bestaemning av kolvaetehalter i vaetskor innehaollande dessa. |
| DE3588055T2 (de) * | 1984-11-13 | 1996-02-15 | Shields Instr Ltd | Infrarot-spektrophotometrisches Verfahren. |
| AT391208B (de) * | 1985-12-09 | 1990-09-10 | Avl Verbrennungskraft Messtech | Verfahren zur quantitativen messung von kohlenwasserstoffen |
| US5055690A (en) * | 1989-02-10 | 1991-10-08 | Gas Research Institute | Method of eliminating water vapor interference in detecting gases |
| US4996431A (en) * | 1989-02-10 | 1991-02-26 | Gas Research Institute | Selective gas detecting apparatus |
| US4958076A (en) * | 1989-02-10 | 1990-09-18 | Gas Research Institute | Selective natural gas detecting apparatus |
| JPH02144277U (enrdf_load_stackoverflow) * | 1989-04-28 | 1990-12-06 | ||
| JP3228080B2 (ja) * | 1995-08-07 | 2001-11-12 | 富士電機株式会社 | 多重反射形試料セル |
| GB9616809D0 (en) * | 1996-08-10 | 1996-09-25 | Eev Ltd | Gas monitors |
| US20090213381A1 (en) * | 2008-02-21 | 2009-08-27 | Dirk Appel | Analyzer system and optical filtering |
| CN102621106A (zh) * | 2012-03-27 | 2012-08-01 | 北京智威宇讯科技有限公司 | 多倍光程反射腔体 |
| WO2014150447A1 (en) * | 2013-03-15 | 2014-09-25 | Grove Instruments Inc. | Multiplexing and non-multiplexing noninvasive analyte concentration measurement system and methods |
| JP7289272B2 (ja) * | 2019-11-27 | 2023-06-09 | ポリマー キャラクタライゼーション，エセ．アー． | 試料中の成分吸光度を測定するための赤外線検出器および方法 |
| JPWO2023120231A1 (enrdf_load_stackoverflow) * | 2021-12-20 | 2023-06-29 |
-
1973
- 1973-03-30 GB GB1535073A patent/GB1470381A/en not_active Expired
-
1974
- 1974-03-25 DE DE2414229A patent/DE2414229A1/de active Pending
- 1974-03-26 NL NL7404028A patent/NL7404028A/xx unknown
- 1974-03-27 IT IT67982/74A patent/IT1011642B/it active
- 1974-03-29 CA CA196,397A patent/CA1000070A/en not_active Expired
- 1974-03-29 FR FR7411399A patent/FR2223691B1/fr not_active Expired
- 1974-03-30 JP JP49035197A patent/JPS5030580A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2414229A1 (de) | 1974-10-10 |
| GB1470381A (en) | 1977-04-14 |
| CA1000070A (en) | 1976-11-23 |
| IT1011642B (it) | 1977-02-10 |
| JPS5030580A (enrdf_load_stackoverflow) | 1975-03-26 |
| FR2223691B1 (enrdf_load_stackoverflow) | 1977-10-21 |
| FR2223691A1 (enrdf_load_stackoverflow) | 1974-10-25 |