DE69210687T2 - Probensammel- und Einlasssystem für Gaschromatographen - Google Patents
Probensammel- und Einlasssystem für GaschromatographenInfo
- Publication number
- DE69210687T2 DE69210687T2 DE69210687T DE69210687T DE69210687T2 DE 69210687 T2 DE69210687 T2 DE 69210687T2 DE 69210687 T DE69210687 T DE 69210687T DE 69210687 T DE69210687 T DE 69210687T DE 69210687 T2 DE69210687 T2 DE 69210687T2
- Authority
- DE
- Germany
- Prior art keywords
- sample collection
- inlet system
- gas chromatographs
- chromatographs
- gas
- 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
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
-
- 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
-
- 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
-
- 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
- G01N30/26—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
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/38—Flow patterns
- G01N30/40—Flow patterns using back flushing
- G01N2030/402—Flow patterns using back flushing purging a device
-
- 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
- G01N2030/405—Flow patterns using back flushing re-concentrating or inverting previous separation
Landscapes
- Physics & Mathematics (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)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/717,356 US5141534A (en) | 1990-09-28 | 1991-06-18 | Sample collection and inlet systems for gas chromatography apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69210687D1 DE69210687D1 (de) | 1996-06-20 |
DE69210687T2 true DE69210687T2 (de) | 1996-09-26 |
Family
ID=24881695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69210687T Expired - Fee Related DE69210687T2 (de) | 1991-06-18 | 1992-06-02 | Probensammel- und Einlasssystem für Gaschromatographen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5141534A (de) |
EP (1) | EP0519614B1 (de) |
JP (1) | JP2759238B2 (de) |
KR (1) | KR100221931B1 (de) |
CA (1) | CA2070619C (de) |
DE (1) | DE69210687T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19858366B4 (de) * | 1998-12-17 | 2006-02-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen und Abfüllen von quantitativ definierbaren Gasgemischen mit Komponenten in sehr geringer Konzentration |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288310A (en) * | 1992-09-30 | 1994-02-22 | The Regents Of The University Of Michigan | Adsorbent trap for gas chromatography |
US5547497A (en) * | 1992-09-30 | 1996-08-20 | Chromatofast, Inc. | Apparatus for gas chromatography |
IT1270972B (it) * | 1993-03-25 | 1997-05-26 | Fisons Instr Spa | Procedimento ed apparecchiatura per l'analisi di composti volatili organici. |
US5498279A (en) * | 1994-05-13 | 1996-03-12 | Chromatofast | High speed gas chromatography system for analysis of polar organic compounds |
US5431712A (en) * | 1994-05-31 | 1995-07-11 | Hewlett-Packard Company | Reconfigurable pneumatic control for split/splitless injection |
DE69601035T2 (de) * | 1995-03-03 | 1999-04-15 | Microsensor Technology Inc | Festvolumeninjektor mit rückspülfähigkeit |
US5596876A (en) * | 1995-11-28 | 1997-01-28 | Scientific Instrument Services, Inc. | Miniaturized cryogenic trap apparatus |
US5783741A (en) * | 1997-01-31 | 1998-07-21 | Atlantic Richfield Company | Capillary furnace for improved peak resolution in gas isotope chromatography |
US6701774B2 (en) | 2000-08-02 | 2004-03-09 | Symyx Technologies, Inc. | Parallel gas chromatograph with microdetector array |
US6706534B2 (en) | 2001-12-10 | 2004-03-16 | The Regents Of The University Of Michigan | Pulsed carrier gas flow modulation for selectivity enhancements with gas chroma tography using series-coupled ensembles |
US6706535B2 (en) | 2001-12-10 | 2004-03-16 | The Regents Of The University Of Michigan | Pulsed carrier gas flow modulation for selectivity enhancements with gas chromatography using series-coupled column ensembles |
US6702989B2 (en) | 2001-12-10 | 2004-03-09 | The Regents Of The University Of Michigan | Pulsed carrier gas flow modulation for selectivity enhancements with gas chromatography using series-coupled column ensembles |
KR100633473B1 (ko) | 2004-10-25 | 2006-10-16 | 한국가스안전공사 | 진공식 기화에 의한 가스성분의 분석장치 및 분석방법 |
JP5184170B2 (ja) * | 2008-03-26 | 2013-04-17 | 矢崎総業株式会社 | ガスクロマトグラフ装置およびガス成分検出方法 |
WO2011070574A1 (en) * | 2009-12-07 | 2011-06-16 | S.T.I. Security Technology Integration Ltd. | Method and apparatus for inspecting a gas sample |
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) |
GB2557891B (en) * | 2016-09-02 | 2021-05-12 | Thermo Fisher Scient Bremen Gmbh | Improved sample preparation apparatus and method for elemental analysis spectrometer |
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 |
KR102241870B1 (ko) * | 2018-02-23 | 2021-04-16 | 주식회사 엘지화학 | 첨가제 분석을 위한 고속처리 가스 크로마토그래피 시스템 및 이를 이용한 분석방법 |
WO2022006335A1 (en) | 2020-06-30 | 2022-01-06 | Entech Instruments Inc. | System and method for trace-level analysis of chemical compounds |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3111835A (en) * | 1959-11-30 | 1963-11-26 | Core Lab Inc | Hydrocarbon gas chromatography and apparatus |
US3220164A (en) * | 1962-07-18 | 1965-11-30 | Perkin Elmer Corp | Recirculation chromatography |
US3550428A (en) * | 1967-12-26 | 1970-12-29 | Gulf Research Development Co | Method and apparatus for separating mixtures of hydrocarbons |
US3496702A (en) * | 1968-10-14 | 1970-02-24 | Continental Oil Co | Chromatographic analysis method and apparatus |
US3735565A (en) * | 1971-05-06 | 1973-05-29 | Wilks Scientific Corp | Enrichment of chromatograph output |
US3948602A (en) * | 1973-01-26 | 1976-04-06 | The Dow Chemical Company | Analytical method of monitoring air for chloromethyl ether |
US4035168A (en) * | 1974-07-24 | 1977-07-12 | The Regents Of The University Of California | Nonreactive inlet splitter for gas chromatography and method |
US4038053A (en) * | 1976-06-10 | 1977-07-26 | The Perkin-Elmer Corporation | Method and apparatus for introducing liquid samples into a gas chromatographic column |
US4180389A (en) * | 1978-11-13 | 1979-12-25 | Envirochem Inc. | Isolation and concentration of sample prior to analysis thereof |
US4477266A (en) * | 1983-09-15 | 1984-10-16 | Varian Associates, Inc. | Solute focusing technique for on-column injection in capillary gas chromatography |
IT1200592B (it) * | 1985-02-22 | 1989-01-27 | Erba Strumentazione | Metodo e dispositivo per regolare la temperatura di raffreddamento di una trappola per campioni in un'apparecchiatura di analisi gascromatografica |
JPS62145285A (ja) * | 1985-12-20 | 1987-06-29 | 富士通株式会社 | 表示制御方式 |
JPH075409Y2 (ja) * | 1987-09-22 | 1995-02-08 | 株式会社島津製作所 | 試料農縮導入装置 |
US4766760A (en) * | 1987-11-03 | 1988-08-30 | Vsesojuzny Nauchno-Issledovatelsky I Konstruktorsky Istitute Khromatografii | Method of chromatographic analysis of a mixture of liquid substances and a gas chromatograph for carrying out the method |
US4805441A (en) * | 1988-02-22 | 1989-02-21 | Cms Research Corporation | Continuous air monitoring apparatus and method |
US4962042A (en) * | 1988-05-25 | 1990-10-09 | The Dow Chemical Company | Method for on-column injection gas chromatography |
US4923486A (en) * | 1988-12-22 | 1990-05-08 | University Of Dayton | Gas chromatography methods and apparatus |
US4998433A (en) * | 1989-06-19 | 1991-03-12 | Stumpf David K | Method and means for condensing trace air contaminates from gases |
-
1991
- 1991-06-18 US US07/717,356 patent/US5141534A/en not_active Expired - Fee Related
-
1992
- 1992-06-02 EP EP92305032A patent/EP0519614B1/de not_active Expired - Lifetime
- 1992-06-02 DE DE69210687T patent/DE69210687T2/de not_active Expired - Fee Related
- 1992-06-05 CA CA002070619A patent/CA2070619C/en not_active Expired - Fee Related
- 1992-06-16 JP JP4183058A patent/JP2759238B2/ja not_active Expired - Lifetime
- 1992-06-17 KR KR1019920010501A patent/KR100221931B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19858366B4 (de) * | 1998-12-17 | 2006-02-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Herstellen und Abfüllen von quantitativ definierbaren Gasgemischen mit Komponenten in sehr geringer Konzentration |
Also Published As
Publication number | Publication date |
---|---|
JP2759238B2 (ja) | 1998-05-28 |
JPH05188047A (ja) | 1993-07-27 |
KR100221931B1 (ko) | 1999-09-15 |
EP0519614B1 (de) | 1996-05-15 |
EP0519614A2 (de) | 1992-12-23 |
KR930000948A (ko) | 1993-01-16 |
CA2070619A1 (en) | 1992-12-19 |
US5141534A (en) | 1992-08-25 |
CA2070619C (en) | 1997-03-18 |
EP0519614A3 (en) | 1993-01-13 |
DE69210687D1 (de) | 1996-06-20 |
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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 |