DE69422274D1 - Vorrichtung für Gaschromatographie - Google Patents
Vorrichtung für GaschromatographieInfo
- Publication number
- DE69422274D1 DE69422274D1 DE69422274T DE69422274T DE69422274D1 DE 69422274 D1 DE69422274 D1 DE 69422274D1 DE 69422274 T DE69422274 T DE 69422274T DE 69422274 T DE69422274 T DE 69422274T DE 69422274 D1 DE69422274 D1 DE 69422274D1
- Authority
- DE
- Germany
- Prior art keywords
- column
- plot
- capillary tube
- interconnects
- boiling point
- 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
- 238000004817 gas chromatography Methods 0.000 title 1
- 238000009835 boiling Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 2
- 239000012159 carrier gas Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
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
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 (2)
Publication Number | Publication Date |
---|---|
DE69422274D1 true DE69422274D1 (de) | 2000-01-27 |
DE69422274T2 DE69422274T2 (de) | 2000-05-11 |
Family
ID=22634947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69422274T Expired - Fee Related DE69422274T2 (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) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1275526B (it) * | 1995-07-14 | 1997-08-07 | Fisons Instr Spa | Procedimento e dispositivo per l'iniezione di volumi elevati di campioni liquidi in un gascromatografo |
US5711786A (en) * | 1995-10-23 | 1998-01-27 | The Perkin-Elmer Corporation | Gas chromatographic system with controlled sample transfer |
JP2996462B2 (ja) * | 1996-02-09 | 1999-12-27 | 株式会社日立製作所 | 微量成分分析装置 |
US5795368A (en) * | 1996-03-01 | 1998-08-18 | O.I. Corporation | Microtrap sample concentrator and methods of use |
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 |
US5780717A (en) * | 1997-04-23 | 1998-07-14 | Lockheed Martin Energy Research Corporation | In-line real time air monitor |
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 |
US6547852B2 (en) | 2000-01-12 | 2003-04-15 | Zoex Corporation | Transverse thermal modulation |
JP2003521688A (ja) * | 2000-01-25 | 2003-07-15 | ザ ステイト オブ オレゴン アクティング バイ アンド スルー ザ ステイト ボード オブ ハイヤー エデュケイション オン ビハーフ オブ ポートランド ステイト ユニヴァーシティ | 分析用のサンプルを濃縮するための方法及び装置 |
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 |
WO2007084881A2 (en) * | 2006-01-18 | 2007-07-26 | Waters Investments Limited | Apparatus and methods for cooling samples |
US8250904B2 (en) | 2007-12-20 | 2012-08-28 | Schlumberger Technology Corporation | Multi-stage injector for fluid analysis |
EP2245448A2 (de) * | 2008-02-28 | 2010-11-03 | Services Pétroliers Schlumberger | Mehrstufiger injektor für flüssigkeitsanalyse |
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 |
US9664598B2 (en) | 2013-10-18 | 2017-05-30 | Agilent Technologies, Inc. | Microfluidic contaminant trap for trapping contaminants in gas chromatography |
US9638676B2 (en) | 2013-10-18 | 2017-05-02 | Agilent Technologies, Inc. | GC column connection with a planar connection to mating devices |
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 |
EP3423821B1 (de) * | 2016-04-04 | 2023-06-21 | Entech Instruments Inc. | Vorkonzentrationssystem mit mehreren kapillarsäulen zur verbesserten empfindlichkeit in der gaschromatografie (gc) und gaschromatografie-massenspektrometrie (gcms) |
US11927574B2 (en) * | 2017-05-15 | 2024-03-12 | The Regents Of The University Of Michigan | Progressive cellular architecture for microfabricated gas chromatograph |
CN111279188A (zh) | 2017-10-25 | 2020-06-12 | 因泰科设备股份有限公司 | 用于与气相色谱法一起使用的样品预浓缩系统和方法 |
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 |
US11549921B2 (en) | 2017-11-22 | 2023-01-10 | Entech Instruments Inc. | System and method for real time monitoring of a chemical sample |
US11169124B2 (en) * | 2017-11-22 | 2021-11-09 | 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 |
US11946912B2 (en) | 2020-06-30 | 2024-04-02 | Entech Instruments Inc. | System and method of trace-level analysis of chemical compounds |
US20220018816A1 (en) * | 2020-07-20 | 2022-01-20 | Baker Hughes Oilfield Operations Llc | System for flushing a gas-measurement device for analyzing gas from a well, and related methods |
CN112816574B (zh) * | 2020-12-30 | 2022-08-02 | 杭州谱育科技发展有限公司 | 多组分物质的检测装置及方法 |
WO2023219845A1 (en) * | 2022-05-09 | 2023-11-16 | Waters Technologies Corporation | Fluidic network for aseptic sampling |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3225521A (en) * | 1962-06-04 | 1965-12-28 | Gulf Research Development Co | Serially connected thermochromatographic columns |
US3225520A (en) * | 1962-06-04 | 1965-12-28 | Gulf Research Development Co | Sample preparation and collection means for gas chromatographic columns |
US3298786A (en) * | 1963-03-04 | 1967-01-17 | Hewlett Packard Co | Gas chromatographic method and apparatus for determination of oxygen content in organic substances |
US3698869A (en) * | 1965-08-20 | 1972-10-17 | Perkin Elmer Corp | Analysis of gaseous mixtures |
US3356458A (en) * | 1965-09-13 | 1967-12-05 | Shell Oil Co | Chromatographic analysis |
US3301040A (en) * | 1965-10-20 | 1967-01-31 | Eugene L Levy | Automatic fraction collecting system for vapor phase chromatography |
US4180389A (en) * | 1978-11-13 | 1979-12-25 | Envirochem Inc. | Isolation and concentration of sample prior to analysis thereof |
DE3863891D1 (de) * | 1987-10-08 | 1991-08-29 | Givaudan & Cie Sa | Vorrichtung zum verzweigen von gasstroemen. |
US5032151A (en) * | 1990-01-17 | 1991-07-16 | Hewlett-Packard Company | System and method for automated cool on-column injection with column diameters less than 530 μm |
US5096471A (en) * | 1990-09-28 | 1992-03-17 | The Regents Of The University Of Michigan | Gas chromatography system and methods |
US5141532A (en) * | 1990-09-28 | 1992-08-25 | The Regents Of The University Of Michigan | Thermal modulation inlet for gas chromatography system |
US5141534A (en) * | 1990-09-28 | 1992-08-25 | The Regents Of The University Of Michigan | Sample collection and inlet systems for gas chromatography apparatus |
DE4132358C2 (de) * | 1991-09-27 | 1996-08-29 | Gerstel Gmbh | Verfahren und Vorrichtung zum Untersuchen von gasförmigem Ausgangsmaterial |
US5288310A (en) * | 1992-09-30 | 1994-02-22 | The Regents Of The University Of Michigan | Adsorbent trap for gas chromatography |
-
1993
- 1993-12-28 US US08/174,129 patent/US5547497A/en not_active Expired - Fee Related
-
1994
- 1994-08-22 AT AT94306176T patent/ATE188034T1/de not_active IP Right Cessation
- 1994-08-22 ES ES94306176T patent/ES2141801T3/es not_active Expired - Lifetime
- 1994-08-22 DE DE69422274T patent/DE69422274T2/de not_active Expired - Fee Related
- 1994-08-22 EP EP94306176A patent/EP0661537B1/de not_active Expired - Lifetime
- 1994-12-20 JP JP6335592A patent/JPH07253421A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH07253421A (ja) | 1995-10-03 |
EP0661537A3 (de) | 1995-08-30 |
US5547497A (en) | 1996-08-20 |
ES2141801T3 (es) | 2000-04-01 |
DE69422274T2 (de) | 2000-05-11 |
ATE188034T1 (de) | 2000-01-15 |
EP0661537A2 (de) | 1995-07-05 |
EP0661537B1 (de) | 1999-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |