DE68927388D1 - Ein Zweistrahl-Vollspektrum-Mehrkanal-Spektralphotometer - Google Patents
Ein Zweistrahl-Vollspektrum-Mehrkanal-SpektralphotometerInfo
- Publication number
- DE68927388D1 DE68927388D1 DE68927388T DE68927388T DE68927388D1 DE 68927388 D1 DE68927388 D1 DE 68927388D1 DE 68927388 T DE68927388 T DE 68927388T DE 68927388 T DE68927388 T DE 68927388T DE 68927388 D1 DE68927388 D1 DE 68927388D1
- Authority
- DE
- Germany
- Prior art keywords
- spectrum
- full
- channel spectrophotometer
- spectrophotometer
- channel
- 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
- 238000001228 spectrum Methods 0.000 title 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- 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
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J2001/161—Ratio method, i.e. Im/Ir
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J2001/1673—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using a reference sample
-
- 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
- G01J3/28—Investigating the spectrum
- G01J3/2803—Investigating the spectrum using photoelectric array detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/123—Conversion circuit
- G01N2201/1232—Log representation, e.g. for low transmittance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/126—Microprocessor processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/74—Optical detectors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/156,285 US4848904A (en) | 1988-02-16 | 1988-02-16 | Dual beam multichannel spectrophotometer with a unique logarithmic data converter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68927388D1 true DE68927388D1 (de) | 1996-11-28 |
DE68927388T2 DE68927388T2 (de) | 1997-04-10 |
Family
ID=22558921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68927388T Expired - Fee Related DE68927388T2 (de) | 1988-02-16 | 1989-02-14 | Ein Zweistrahl-Vollspektrum-Mehrkanal-Spektralphotometer |
Country Status (5)
Country | Link |
---|---|
US (1) | US4848904A (de) |
EP (2) | EP0497434B1 (de) |
JP (1) | JP2873692B2 (de) |
CA (1) | CA1324501C (de) |
DE (1) | DE68927388T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148239A (en) * | 1990-07-17 | 1992-09-15 | Rainin Instrument Co., Inc. | High performance absorbance detector with flashlamp and compact folded optics system |
US5214593A (en) * | 1990-11-07 | 1993-05-25 | Rainin Instrument Co., Inc. | Method and apparatus for extending the linear dynamic range of absorbance detectors including multi-lightpath flow cells |
US5210412A (en) * | 1991-01-31 | 1993-05-11 | Wayne State University | Method for analyzing an organic sample |
JPH04244945A (ja) * | 1991-01-31 | 1992-09-01 | Shimadzu Corp | 分光光度計 |
US5747813A (en) * | 1992-06-16 | 1998-05-05 | Kla-Tencop. Corporation | Broadband microspectro-reflectometer |
DE4223211C2 (de) * | 1992-07-15 | 1999-03-04 | Bodenseewerk Perkin Elmer Co | Zweistrahl-Gitterpolychromator |
EP0655128B1 (de) * | 1992-08-13 | 1998-03-18 | Hewlett-Packard Company | Spektroskopische systeme zur analyse von kleinen und kleinsten substanzmengen |
DE4226884C1 (de) * | 1992-08-13 | 1994-03-10 | Meinrad Maechler | Spektroskopisches System zur Durchführung der Mikroanalytik |
DE4410036B4 (de) * | 1994-03-23 | 2004-09-02 | Berthold Gmbh & Co. Kg | Zweistrahl-Polychromator |
DE19543729B4 (de) * | 1995-11-23 | 2008-08-21 | Berthold Gmbh & Co. Kg | Spektrometer |
US6904784B2 (en) * | 2001-02-27 | 2005-06-14 | Teledyne Isco, Inc. | Liquid chromatographic method and system |
JP2006505832A (ja) * | 2002-02-26 | 2006-02-16 | フアルマシア・コーポレーシヨン | 配列決定システム計算機 |
US6741348B2 (en) * | 2002-04-29 | 2004-05-25 | The Curators Of The University Of Missouri | Ultrasensitive spectrophotometer |
US20050122523A1 (en) * | 2003-12-03 | 2005-06-09 | Wen-Bin Yan | Device and method of trace gas analysis using cavity ring-down spectroscopy |
US7268881B2 (en) * | 2004-02-17 | 2007-09-11 | The Curators Of The University Of Missouri | Light scattering detector |
JP2006003233A (ja) * | 2004-06-17 | 2006-01-05 | Otsuka Denshi Co Ltd | 光学セル測定装置 |
US7262844B2 (en) * | 2005-01-13 | 2007-08-28 | The Curators Of The University Of Missouri | Ultrasensitive spectrophotometer |
US7903252B2 (en) * | 2005-01-13 | 2011-03-08 | The Curators Of The University Of Missouri | Noise cancellation in fourier transform spectrophotometry |
JP5469869B2 (ja) | 2006-03-09 | 2014-04-16 | オールテック・アソシエイツ・インコーポレーテッド | 蒸発光散乱検出器 |
WO2009152321A1 (en) * | 2008-06-11 | 2009-12-17 | The Curators Of The University Of Missouri | Liquid chromatography detector and flow controller therefor |
US8766191B2 (en) * | 2009-10-06 | 2014-07-01 | The Curators Of The University Of Missouri | External/internal optical adapter for FTIR spectrophotometer |
CN102879096B (zh) * | 2012-09-04 | 2013-08-21 | 上海汉谱光电科技有限公司 | 双光路单光栅的漫射照明反射光谱测量系统及测量方法 |
US9970819B2 (en) | 2015-03-23 | 2018-05-15 | Si-Ware Systems | High performance parallel spectrometer device |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US28803A (en) * | 1860-06-19 | Coffee-pot | ||
GB790434A (en) * | 1955-04-13 | 1958-02-12 | Parsons C A & Co Ltd | Improvements in or relating to double beam spectrometers |
US3137757A (en) * | 1958-02-07 | 1964-06-16 | Parsons & Co Sir Howard G | Apparatus for the analysis of substances by absorption of radiation |
US3504978A (en) * | 1965-02-04 | 1970-04-07 | Shimadzu Corp | Plural beam spectrophotometer with a diffusion plate between each cell and detector |
DE2220231A1 (de) * | 1972-04-25 | 1973-11-08 | Serv Anstalt | Photometer zur digitalen anzeige der lichtabsorption einer messprobe in einer kuevette |
JPS4941837A (de) * | 1972-08-30 | 1974-04-19 | ||
US3952206A (en) * | 1974-05-09 | 1976-04-20 | Coulter Electronics, Inc. | Photometer circuit |
GB1559810A (en) * | 1975-11-05 | 1980-01-30 | Nat Res Dev | Device for measuring light received from an illuminated material |
JPS6033378Y2 (ja) * | 1977-09-30 | 1985-10-04 | 株式会社日立製作所 | クロマトグラフ検出器用光度計 |
GB2043880A (en) * | 1979-03-05 | 1980-10-08 | Pye Electronic Prod Ltd | Noise reduction in dual beam ratio recording spectrophotometers |
US4678917A (en) * | 1985-02-19 | 1987-07-07 | The Perkin-Elmer Corporation | Instantaneous reading multichannel polychromatic spectrophotometer method and apparatus |
JPS62157537A (ja) * | 1985-12-30 | 1987-07-13 | Japan Spectroscopic Co | 分光光度計における信号処理方法 |
-
1988
- 1988-02-16 US US07/156,285 patent/US4848904A/en not_active Expired - Lifetime
-
1989
- 1989-02-10 CA CA000590807A patent/CA1324501C/en not_active Expired - Fee Related
- 1989-02-14 DE DE68927388T patent/DE68927388T2/de not_active Expired - Fee Related
- 1989-02-14 EP EP92201182A patent/EP0497434B1/de not_active Expired - Lifetime
- 1989-02-14 EP EP19890102478 patent/EP0329061A3/de not_active Withdrawn
- 1989-02-16 JP JP1037310A patent/JP2873692B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1324501C (en) | 1993-11-23 |
JP2873692B2 (ja) | 1999-03-24 |
EP0497434A2 (de) | 1992-08-05 |
JPH01250741A (ja) | 1989-10-05 |
DE68927388T2 (de) | 1997-04-10 |
EP0497434B1 (de) | 1996-10-23 |
EP0329061A3 (de) | 1991-11-13 |
EP0497434A3 (en) | 1992-12-16 |
US4848904A (en) | 1989-07-18 |
EP0329061A2 (de) | 1989-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68927388D1 (de) | Ein Zweistrahl-Vollspektrum-Mehrkanal-Spektralphotometer | |
DE68918299D1 (de) | Kanalwechselsystem. | |
FI891846A0 (fi) | Optisk avbrytare. | |
FI891534A0 (fi) | Portabel spektrofotometer. | |
DE68920375T2 (de) | Zeitmultiplex-Anordnung. | |
NO894790D0 (no) | Beta-aminoboronsyrederivater. | |
FI912295A0 (fi) | Optisk hastighetsbestaemning. | |
DE68913350D1 (de) | Spektralanalysator. | |
FI882757A0 (fi) | Provtagare. | |
FI893190A (fi) | Foerbaettringar beroerande fibrer. | |
DE68922181D1 (de) | Optisches Transmissionsspektrometer. | |
FR2628894B1 (fr) | Combineur diviseur multivoie | |
DE68915341D1 (de) | Expektoranz, das ein Hydroxy-alkyl-cystein-Derivat enthält. | |
DE68923072T2 (de) | Optischer Wandler. | |
DE68924378D1 (de) | Optisches Teiler-Netzwerk. | |
DK86591A (da) | 14alfa,17alfa-ethanestratriener | |
DE68918305D1 (de) | Schalter. | |
DE68923840D1 (de) | Spektralphotometer. | |
DE68914476D1 (de) | Ein Stromwender. | |
DK203089A (da) | Metaboliter | |
FI891496A0 (fi) | Inmatningsdosa foer en elektrisk kabel. | |
NO170877C (no) | Turret-koblinger | |
GB8927814D0 (en) | Multiple-waveband optical element | |
IT214001Z2 (it) | Astuccio portadolci. | |
ES1007404Y (es) | Hoja-archivador de diapositivas. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: THE PERKIN-ELMER CORP. (N.D.GES.D.STAATES NEW YORK |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: APPLERA CORP., FOSTER CITY, CALIF., US |
|
8339 | Ceased/non-payment of the annual fee |