IN146315B - - Google Patents
Info
- Publication number
- IN146315B IN146315B IN139/DEL/77A IN139DE1977A IN146315B IN 146315 B IN146315 B IN 146315B IN 139DE1977 A IN139DE1977 A IN 139DE1977A IN 146315 B IN146315 B IN 146315B
- Authority
- IN
- India
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
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2553565A DE2553565C3 (de) | 1975-11-28 | 1975-11-28 | Vorrichtung zur Bestimmung der Stickoxidkonzentration in einem Gasgemisch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN146315B true IN146315B (en:Method) | 1979-04-28 |
Family
ID=5962941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN139/DEL/77A IN146315B (en:Method) | 1975-11-28 | 1977-06-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4176963A (en:Method) |
| JP (1) | JPS6029060B2 (en:Method) |
| DE (1) | DE2553565C3 (en:Method) |
| FR (1) | FR2333235A1 (en:Method) |
| GB (1) | GB1566436A (en:Method) |
| IN (1) | IN146315B (en:Method) |
| NL (1) | NL171929C (en:Method) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2939735A1 (de) * | 1979-10-01 | 1981-04-16 | Hartmann & Braun Ag, 6000 Frankfurt | Fotoelektrisches gasanalysegeraet |
| US4491730A (en) * | 1980-08-14 | 1985-01-01 | Panametrics, Inc. | Method and apparatus for feedback stabilized photometric detection in fluids |
| US4687337A (en) * | 1981-09-02 | 1987-08-18 | The United States Of America As Represented By The Secretary Of The Air Force | Atmospheric Aerosol extinctiometer |
| DE3149869A1 (de) * | 1981-12-16 | 1983-06-23 | Siemens AG, 1000 Berlin und 8000 München | "vorrichtung zur schnellen bestimmung der feuchte einer probe mit hilfe von infrarot-lumineszenzdioden" |
| EP0114866A1 (en) * | 1982-07-26 | 1984-08-08 | American Hospital Supply Corporation | Improved fluorometer assembly and method |
| US4457162A (en) * | 1982-09-17 | 1984-07-03 | Institute Of Gas Technology | Multi-frequency photo-acoustic detector |
| CH651664A5 (fr) * | 1982-10-14 | 1985-09-30 | Nestle Sa | Procede et appareil de mesure de la brillance d'une couleur. |
| US4637729A (en) * | 1983-12-14 | 1987-01-20 | Carrier Corporation | Fiber optic moisture analysis probe |
| DE3615260C2 (de) * | 1986-05-06 | 1994-09-01 | Krieg Gunther | Verfahren und System zur Detektion von optisch absorbierenden Verbindungen in einem Medium durch optische Transmissionsmessung |
| DE3615259A1 (de) * | 1986-05-06 | 1987-11-12 | Krieg Gunther | Verfahren und system zur kontinuierlichen bestimmung der konzentrationen von molekuehlverbindungen in fluessigkeiten und gasen |
| US4785184A (en) * | 1986-05-27 | 1988-11-15 | Spectral Sciences, Inc. | Infrared trace element detection system |
| US4782232A (en) * | 1986-09-22 | 1988-11-01 | Spectral Sciences, Inc. | Infrared molecular species monitor |
| DE3733573A1 (de) * | 1987-10-03 | 1989-04-20 | Leybold Ag | Vorrichtung zum messen des fremdstoffanteils in stroemenden fluessigkeiten |
| US5272345A (en) * | 1989-09-22 | 1993-12-21 | Ada Technologies, Inc. | Calibration method and apparatus for measuring the concentration of components in a fluid |
| US5429805A (en) * | 1993-01-08 | 1995-07-04 | Fuji Electric Co., Ltd. | Non-dispersive infrared gas analyzer including gas-filled radiation source |
| JPH10111236A (ja) * | 1996-10-03 | 1998-04-28 | Nippon Koden Corp | 炭酸ガス濃度測定装置 |
| FR2809816B1 (fr) * | 2000-05-30 | 2003-04-18 | Gaz De France | Procede et dispositif de detection de fuites de gaz |
| DE10036948A1 (de) * | 2000-07-28 | 2002-02-21 | Abb Patent Gmbh | Verfahren zur MO¶x¶-Messung |
| DE10217545A1 (de) * | 2002-04-17 | 2003-11-06 | Zeiss Carl Jena Gmbh | Mikroskop mit Positionserkennung von Wechslern optischer Elemente |
| DE10255697A1 (de) * | 2002-11-29 | 2004-06-17 | Abb Patent Gmbh | Optisches Fotometer mit Referenz- und Messstrahlengang |
| DE10316685A1 (de) * | 2003-04-10 | 2004-10-28 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Vorichtung zur photometrischen Messung der Konzentration einer chemischen Substanz in einer Meßlösung |
| US7525654B2 (en) * | 2004-10-20 | 2009-04-28 | Duquesne University Of The Holy Spirit | Tunable laser-based chemical imaging system |
| US7528950B2 (en) * | 2005-01-11 | 2009-05-05 | Duquesne University Of The Holy Spirit | Tunable laser-based process monitoring apparatus |
| US8253942B2 (en) * | 2007-09-27 | 2012-08-28 | Scott Technologies, Inc. | Optical gas detector |
| CN104458619A (zh) * | 2014-12-12 | 2015-03-25 | 上海理工大学 | 一种测定空气中氮氧化物含量的方法 |
| WO2017013653A1 (en) * | 2015-07-21 | 2017-01-26 | Alex Keinan | System and method for detection of particles in liquid or in air |
| US11327007B2 (en) | 2019-09-26 | 2022-05-10 | Fluidsens International Inc. | Compact and secure system and method for detecting particles in fluid |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2939361A (en) * | 1955-05-20 | 1960-06-07 | Leitz Ernst Gmbh | Photometric apparatus compensated for fluctuations in light source intensity |
| US3689158A (en) * | 1971-02-16 | 1972-09-05 | Beckman Instruments Inc | Atomic absorption analyzer compensated for background absorption |
| US3793525A (en) * | 1973-01-02 | 1974-02-19 | Philco Ford Corp | Dual cell non-dispersive gas analyzer |
| US3811776A (en) * | 1973-02-26 | 1974-05-21 | Environmental Res & Tech | Gas analyzer |
| US3861809A (en) * | 1973-04-06 | 1975-01-21 | Perkin Elmer Corp | Confocal cavity optical gas sensor |
| US4008394A (en) * | 1973-06-28 | 1977-02-15 | Sensors, Inc. | Gas analyzing |
| DE2407133B2 (de) * | 1974-02-15 | 1976-12-09 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | Verfahren und vorrichtung zur bestimmung von stickoxid |
| US4053236A (en) * | 1974-08-22 | 1977-10-11 | The Perkin-Elmer Corporation | Absorbance measuring photometer |
-
1975
- 1975-11-28 DE DE2553565A patent/DE2553565C3/de not_active Expired
-
1976
- 1976-09-28 NL NLAANVRAGE7610748,A patent/NL171929C/xx not_active IP Right Cessation
- 1976-10-21 GB GB43745/76A patent/GB1566436A/en not_active Expired
- 1976-11-09 US US05/740,307 patent/US4176963A/en not_active Expired - Lifetime
- 1976-11-10 FR FR7633865A patent/FR2333235A1/fr active Granted
- 1976-11-29 JP JP51143287A patent/JPS6029060B2/ja not_active Expired
-
1977
- 1977-06-27 IN IN139/DEL/77A patent/IN146315B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4176963A (en) | 1979-12-04 |
| JPS5267695A (en) | 1977-06-04 |
| DE2553565A1 (de) | 1977-06-08 |
| NL7610748A (nl) | 1977-06-01 |
| DE2553565B2 (de) | 1979-06-07 |
| FR2333235A1 (fr) | 1977-06-24 |
| NL171929C (nl) | 1983-06-01 |
| GB1566436A (en) | 1980-04-30 |
| DE2553565C3 (de) | 1980-02-07 |
| JPS6029060B2 (ja) | 1985-07-08 |
| FR2333235B1 (en:Method) | 1981-08-28 |