DE69926398D1 - System mit zwei weglängen zum nachweis der lichtabsorption - Google Patents

System mit zwei weglängen zum nachweis der lichtabsorption

Info

Publication number
DE69926398D1
DE69926398D1 DE69926398T DE69926398T DE69926398D1 DE 69926398 D1 DE69926398 D1 DE 69926398D1 DE 69926398 T DE69926398 T DE 69926398T DE 69926398 T DE69926398 T DE 69926398T DE 69926398 D1 DE69926398 D1 DE 69926398D1
Authority
DE
Germany
Prior art keywords
lengths
light absorption
detecting light
detecting
absorption
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 - Lifetime
Application number
DE69926398T
Other languages
English (en)
Other versions
DE69926398T2 (de
Inventor
C Gilby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Waters Technologies Corp
Original Assignee
Waters Investments Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Waters Investments Ltd filed Critical Waters Investments Ltd
Publication of DE69926398D1 publication Critical patent/DE69926398D1/de
Application granted granted Critical
Publication of DE69926398T2 publication Critical patent/DE69926398T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • 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
    • 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
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0346—Capillary cells; Microcells
    • 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
    • G01N2030/621—Detectors specially adapted therefor signal-to-noise ratio
    • G01N2030/625—Detectors specially adapted therefor signal-to-noise ratio by measuring reference material, e.g. carrier without sample
    • 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
    • G01N2030/746—Optical detectors detecting along the line of flow, e.g. axial
    • 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
    • G01N2201/06—Illumination; Optics
    • G01N2201/066—Modifiable path; multiple paths in one sample

Landscapes

  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69926398T 1998-11-20 1999-11-19 System mit zwei weglängen zum nachweis der lichtabsorption Expired - Lifetime DE69926398T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US196579 1994-02-14
US09/196,579 US6342948B1 (en) 1998-11-20 1998-11-20 Dual pathlength system for light absorbance detection
PCT/US1999/027394 WO2000031512A1 (en) 1998-11-20 1999-11-19 Dual pathlength system for light absorbance detection

Publications (2)

Publication Number Publication Date
DE69926398D1 true DE69926398D1 (de) 2005-09-01
DE69926398T2 DE69926398T2 (de) 2006-06-01

Family

ID=22725955

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69942466T Expired - Lifetime DE69942466D1 (de) 1998-11-20 1999-11-19 Zweistrahlsystem mit unterschiedlichen Strahllängen zur Absorptionsbestimmung
DE69926398T Expired - Lifetime DE69926398T2 (de) 1998-11-20 1999-11-19 System mit zwei weglängen zum nachweis der lichtabsorption

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69942466T Expired - Lifetime DE69942466D1 (de) 1998-11-20 1999-11-19 Zweistrahlsystem mit unterschiedlichen Strahllängen zur Absorptionsbestimmung

Country Status (6)

Country Link
US (1) US6342948B1 (de)
EP (2) EP1564541B1 (de)
JP (2) JP4480275B2 (de)
AU (1) AU1916300A (de)
DE (2) DE69942466D1 (de)
WO (1) WO2000031512A1 (de)

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US7445073B2 (en) * 2005-02-11 2008-11-04 Trw Automotive U.S. Llc Sensor assembly including a sensing channel having a void and an associated method
WO2006125470A1 (en) 2005-05-24 2006-11-30 Agilent Technologies, Inc. Multi-path flow cell correction
US7879619B2 (en) * 2005-10-07 2011-02-01 Tianwei Jing Apparatus for detecting one or more substances and method of detecting a substance
US20090213383A1 (en) * 2006-10-06 2009-08-27 Nguyen Ly Apparatus and method for detecting one or more substances
US7914852B2 (en) * 2007-01-19 2011-03-29 World Precision Instruments, Inc. High temperature coating techniques for amorphous fluoropolymers
US7570360B1 (en) * 2007-02-01 2009-08-04 Bah Holdings, Llc Optical absorption spectrometer and method for measuring concentration of a substance
US7610157B2 (en) * 2007-05-02 2009-10-27 General Electric Company Apparatus and method for fully automated closed system pH measurement
US20080275668A1 (en) * 2007-05-02 2008-11-06 General Electric Company Apparatus and method for fully automated closed system optical measurement of volume
US7519492B2 (en) * 2007-05-02 2009-04-14 General Electric Company Apparatus and method for fully automated closed system quality control of a substance
EP2433120A1 (de) * 2009-05-20 2012-03-28 Agilent Technologies, Inc. Durchflusszelle zur strahlendetektion in einer zellwand
JP5047248B2 (ja) * 2009-09-30 2012-10-10 株式会社日立ハイテクノロジーズ フローセル，検出器、および液体クロマトグラフ
JP2011099803A (ja) * 2009-11-09 2011-05-19 Riken Keiki Co Ltd 光吸収型ガス検知器
US8692997B2 (en) 2010-08-25 2014-04-08 Bah Holdings Llc Optical gas and/or particulate sensors
US8570521B2 (en) * 2010-11-21 2013-10-29 Reach Devices, LLC Optical system design for wide range optical density measurements
DE102010062268B4 (de) * 2010-12-01 2024-01-11 Endress+Hauser Conducta Gmbh+Co. Kg Absorptionsmesseinrichtung
CN103582813B (zh) * 2011-05-31 2016-11-09 安捷伦科技有限公司 通过使用两个具有长短路径的流动池检测器的扩展的线性范围
JP2013088367A (ja) * 2011-10-21 2013-05-13 Hitachi High-Technologies Corp 試料セル及び分光光度計
WO2013074084A1 (en) * 2011-11-15 2013-05-23 Empire Technology Development Llc Integrated optical sensor
GB201120769D0 (en) 2011-12-02 2012-01-11 Biochrom Ltd Improvements in and relating to devices for recieving liquid samples
EP2677303B1 (de) * 2012-06-19 2016-01-20 Mantex AB Verfahren und Vorrichtung zum Messen der Konzentration eines spezifischen Analyten in einem biologischen Material
EP2867651A4 (de) * 2012-06-29 2016-04-13 On Site Analysis Inc Multifunktioneller flüssigkeitsmesser und verfahren zur messung von kühlmitteln, biodiesel, gasethanol und dieselmotorflüssigkeit
JP2014032098A (ja) * 2012-08-03 2014-02-20 Hitachi High-Technologies Corp 液体クロマトグラフ分析装置
JP5448224B1 (ja) * 2013-03-12 2014-03-19 日本分光株式会社 クロマトグラフィーシステム、信号処理装置、クロマトグラフィー・データ処理端末およびプログラム
US20160103061A1 (en) * 2014-09-12 2016-04-14 Analytik Jena Ag Reaction Vessel, Reaction Vessel Arrangement and Method for Analyzing a Substance
US10107741B2 (en) 2015-10-07 2018-10-23 Duvas Technologies Limited Input and output optical systems for multipass spectroscopic absorption cells
GB201603380D0 (en) * 2016-02-26 2016-04-13 Ge Healthcare Bio Sciences Ab Apparatus and method for measuring the light absorbance of a substance in a solution
US10451593B2 (en) * 2016-08-04 2019-10-22 Aa Holdings, Ltd. Detection system and method with nanostructure flow cell
DE102016123650A1 (de) * 2016-12-07 2018-06-07 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Bestimmung einer mit einer Extinktion korrelierten Messgröße und entsprechende Sensoranordnung
CN108169130A (zh) * 2017-12-28 2018-06-15 安徽皖仪科技股份有限公司 一种用于CODcr水质在线监测仪的双波长双光程比色装置
US11054364B2 (en) 2018-12-17 2021-07-06 Thermo Finnigan Llc Apparatus and methods for handling and spectrophotometry of small liquid samples

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JPH01321342A (ja) * 1988-06-23 1989-12-27 Ricoh Co Ltd 気体検出装置
US5153679A (en) * 1989-09-29 1992-10-06 Millipore Corporation Apparatus and process for measuring light absorbance or fluorescence in liquid samples
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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
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Also Published As

Publication number Publication date
EP1141675A1 (de) 2001-10-10
WO2000031512A1 (en) 2000-06-02
AU1916300A (en) 2000-06-13
US6342948B1 (en) 2002-01-29
JP2010112961A (ja) 2010-05-20
EP1141675B1 (de) 2005-07-27
EP1141675A4 (de) 2002-08-28
DE69942466D1 (de) 2010-07-15
EP1564541A3 (de) 2006-03-29
JP2002530667A (ja) 2002-09-17
DE69926398T2 (de) 2006-06-01
EP1564541A2 (de) 2005-08-17
EP1564541B1 (de) 2010-06-02
JP4480275B2 (ja) 2010-06-16
JP4995289B2 (ja) 2012-08-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: WATERS TECHNOLOGIES CORP. (N.D.GES.D. STAATES , US

8328 Change in the person/name/address of the agent

Representative=s name: DR. VOLKER VOSSIUS, CORINNA VOSSIUS, TILMAN VOSSIU