ATE188034T1 - Vorrichtung für gaschromatographie - Google Patents

Vorrichtung für gaschromatographie

Info

Publication number
ATE188034T1
ATE188034T1 AT94306176T AT94306176T ATE188034T1 AT E188034 T1 ATE188034 T1 AT E188034T1 AT 94306176 T AT94306176 T AT 94306176T AT 94306176 T AT94306176 T AT 94306176T AT E188034 T1 ATE188034 T1 AT E188034T1
Authority
AT
Austria
Prior art keywords
column
plot
capillary tube
interconnects
boiling point
Prior art date
Application number
AT94306176T
Other languages
English (en)
Inventor
Mark Allen Klemp
Anita Jo Peters
Original Assignee
Chromatofast Inc
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 Chromatofast Inc filed Critical Chromatofast Inc
Application granted granted Critical
Publication of ATE188034T1 publication Critical patent/ATE188034T1/de

Links

Classifications

    • 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
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N30/40—Flow patterns using back flushing
    • 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
    • G01N2030/022—Column chromatography characterised by the kind of separation mechanism
    • G01N2030/025—Gas chromatography
    • 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
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • G01N2030/121—Preparation by evaporation cooling; cold traps
    • G01N2030/122—Preparation by evaporation cooling; cold traps cryogenic focusing
    • 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
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • G01N2030/121—Preparation by evaporation cooling; cold traps
    • G01N2030/123—Preparation by evaporation cooling; cold traps using more than one trap
    • 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
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • G01N2030/126—Preparation by evaporation evaporating sample
    • G01N2030/128—Thermal desorption analysis
    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/30—Control of physical parameters of the fluid carrier of temperature
    • G01N2030/3046—Control of physical parameters of the fluid carrier of temperature temperature control of column inlet
    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N2030/382—Flow patterns flow switching in a single column
    • G01N2030/383—Flow patterns flow switching in a single column by using auxiliary fluid
    • 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
    • G01N2030/623—Detectors specially adapted therefor signal-to-noise ratio by modulation of sample feed or detector response
AT94306176T 1993-12-28 1994-08-22 Vorrichtung für gaschromatographie ATE188034T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/174,129 US5547497A (en) 1992-09-30 1993-12-28 Apparatus for gas chromatography

Publications (1)

Publication Number Publication Date
ATE188034T1 true ATE188034T1 (de) 2000-01-15

Family

ID=22634947

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94306176T ATE188034T1 (de) 1993-12-28 1994-08-22 Vorrichtung für gaschromatographie

Country Status (6)

Country Link
US (1) US5547497A (de)
EP (1) EP0661537B1 (de)
JP (1) JPH07253421A (de)
AT (1) ATE188034T1 (de)
DE (1) DE69422274T2 (de)
ES (1) ES2141801T3 (de)

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US6148657A (en) * 1996-08-13 2000-11-21 Suzuki Motor Corporation Method and apparatus for analyzing a breath sample
US5827945A (en) * 1996-10-24 1998-10-27 Varian Associates, Inc. Real-time gas-chromatography mass-spectrometry trace vapor detection
US5783741A (en) * 1997-01-31 1998-07-21 Atlantic Richfield Company Capillary furnace for improved peak resolution in gas isotope chromatography
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US5958227A (en) * 1997-07-15 1999-09-28 Tosoh Corporation Liquid chromatograph apparatus with a switching valve
US6125689A (en) * 1997-08-15 2000-10-03 Graves' Trust Group Non-destructive semiconductor wafer test system
DE19810109C2 (de) * 1998-03-10 2000-02-10 Gerstel Gmbh & Co Kg Gaschromatograph mit einem temperaturgesteuerten Injektor
US6477906B1 (en) 1999-03-02 2002-11-12 Roger Peterson Family Limited Automatic multi-sorbent tube air sampler
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US6952945B2 (en) * 2000-01-25 2005-10-11 The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for concentrating samples for analysis
US7257987B2 (en) 2000-01-25 2007-08-21 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for sample analysis
US6922238B2 (en) * 2003-01-23 2005-07-26 Midwest Research Institute, Inc. Self-tuning pulse flame photometric detector system and associated method of self-tuning
DE10360964B4 (de) * 2003-12-23 2005-12-01 Dionex Softron Gmbh Verfahren und Vorrichtung zur Bereitstellung eines definierten Fluidstroms, insbesondere für die Flüssigkeitschromatographie
RU2404362C2 (ru) * 2005-12-29 2010-11-20 Шлюмбергер Текнолоджи Б.В. Кабельный внутрискважинный газовый хроматограф и способ внутрискважинной газовой хроматографии
GB2448093B (en) * 2006-01-18 2011-04-13 Waters Investments Ltd Apparatus and methods for cooling samples
US8250904B2 (en) 2007-12-20 2012-08-28 Schlumberger Technology Corporation Multi-stage injector for fluid analysis
WO2009108219A2 (en) * 2008-02-28 2009-09-03 Services Petroliers Schlumberger Multi-stage injector for fluid analysis
US8613216B2 (en) * 2008-11-20 2013-12-24 Proxeon Biosystems A/S Dynamic thermal focusing of chromatographic separations
US8226825B2 (en) * 2009-04-09 2012-07-24 The United States of America, as represented by the Sectretary of Commerce, The National Institute of Standards and Technology Recirculating temperature wave focusing chromatography
US7862716B2 (en) * 2009-04-13 2011-01-04 Sielc Technologies Corporation HPLC schematic with integrated sample cleaning system
US10016757B2 (en) * 2011-04-28 2018-07-10 Labcyte Inc. Sample containers adapted for acoustic ejections and sample preservation and methods thereof
US9638676B2 (en) 2013-10-18 2017-05-02 Agilent Technologies, Inc. GC column connection with a planar connection to mating devices
US9664598B2 (en) 2013-10-18 2017-05-30 Agilent Technologies, Inc. Microfluidic contaminant trap for trapping contaminants in gas chromatography
DE102015219838A1 (de) * 2015-10-13 2017-04-13 bentekk GmbH Kontinuierliche und trennende Gasanalyse
CN106872623B (zh) * 2015-12-11 2018-09-25 中国科学院大连化学物理研究所 一种二维气相色谱接口
WO2017176794A1 (en) * 2016-04-04 2017-10-12 Entech Instruments Inc. Multi-capillary column pre-concentration system for enhanced sensitivity in gas chromatography (gc) and gas chromatography-mass spectrometry (gcms)
US11927574B2 (en) * 2017-05-15 2024-03-12 The Regents Of The University Of Michigan Progressive cellular architecture for microfabricated gas chromatograph
JP7072134B2 (ja) 2017-10-25 2022-05-20 エンテック インスツルメンツ インコーポレイテッド ガスクロマトグラフィで使用するための試料予備濃縮システム及び方法
US11162925B2 (en) * 2017-11-03 2021-11-02 Entech Instruments Inc. High performance sub-ambient temperature multi-capillary column preconcentration system for volatile chemical analysis by gas chromatography
WO2019104226A1 (en) * 2017-11-22 2019-05-31 Entech Instruments Inc. System and method for real time monitoring of a chemical sample
US11549921B2 (en) 2017-11-22 2023-01-10 Entech Instruments Inc. System and method for real time monitoring of a chemical sample
CN109324144B (zh) * 2018-09-30 2021-09-07 北京雪迪龙科技股份有限公司 一种挥发性有机物双冷阱进样单元、进样系统和方法
EP3667315A1 (de) * 2018-12-12 2020-06-17 HORIBA, Ltd. Abgasanalysevorrichtung, abgasanalyseverfahren und korrekturausdruckerzeugungsverfahren
JP7226223B2 (ja) * 2019-09-24 2023-02-21 株式会社島津製作所 ガスサンプラ
WO2022006335A1 (en) 2020-06-30 2022-01-06 Entech Instruments Inc. System and method for trace-level analysis of chemical compounds
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US20230358644A1 (en) * 2022-05-09 2023-11-09 Waters Technologies Corporation Fluidic network for aseptic sampling

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Also Published As

Publication number Publication date
DE69422274T2 (de) 2000-05-11
JPH07253421A (ja) 1995-10-03
EP0661537B1 (de) 1999-12-22
US5547497A (en) 1996-08-20
ES2141801T3 (es) 2000-04-01
EP0661537A2 (de) 1995-07-05
DE69422274D1 (de) 2000-01-27
EP0661537A3 (de) 1995-08-30

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