DE3170534D1 - A device for vaporization injection in a gas-chromatographic column - Google Patents
A device for vaporization injection in a gas-chromatographic columnInfo
- Publication number
- DE3170534D1 DE3170534D1 DE8181108799T DE3170534T DE3170534D1 DE 3170534 D1 DE3170534 D1 DE 3170534D1 DE 8181108799 T DE8181108799 T DE 8181108799T DE 3170534 T DE3170534 T DE 3170534T DE 3170534 D1 DE3170534 D1 DE 3170534D1
- Authority
- DE
- Germany
- Prior art keywords
- chromatographic column
- injection
- oven
- vaporization
- column
- 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
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
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/30—Control of physical parameters of the fluid carrier of temperature
-
- 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
- G01N30/16—Injection
- G01N2030/165—Injection retention gaps
-
- 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
- G01N30/16—Injection
- G01N2030/167—Injection on-column injection
-
- 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
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N30/10—Preparation using a splitter
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)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25818/80A IT1134198B (it) | 1980-11-06 | 1980-11-06 | Dispositivo per l'iniezione a vaporizzazione in una colonna gas-cromatografica |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3170534D1 true DE3170534D1 (en) | 1985-06-20 |
Family
ID=11217819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181108799T Expired DE3170534D1 (en) | 1980-11-06 | 1981-10-23 | A device for vaporization injection in a gas-chromatographic column |
Country Status (6)
Country | Link |
---|---|
US (1) | US4383839A (de) |
EP (1) | EP0051778B1 (de) |
JP (1) | JPS57108660A (de) |
AT (1) | ATE13355T1 (de) |
DE (1) | DE3170534D1 (de) |
IT (1) | IT1134198B (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3173318D1 (en) * | 1980-09-30 | 1986-02-06 | Erba Strumentazione | A method and apparatus for volumetrically controlled and reproducible introduction of small amounts of liquid samples into chromatographic analysis systems |
US4440550A (en) * | 1983-06-28 | 1984-04-03 | J & W Scientific, Inc. | On-column injector |
DE3475569D1 (en) * | 1983-09-09 | 1989-01-12 | Erba Strumentazione | Multi-purpose on column injector |
US4477266A (en) * | 1983-09-15 | 1984-10-16 | Varian Associates, Inc. | Solute focusing technique for on-column injection in capillary gas chromatography |
US4869876A (en) * | 1984-04-30 | 1989-09-26 | International Business Machines Corp. | Multi-purpose plural-oven gas chromatography system with shared controls |
US5236593A (en) * | 1985-01-25 | 1993-08-17 | The Dow Chemical Company | On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns |
JPH0695089B2 (ja) * | 1985-01-25 | 1994-11-24 | ザ ダウ ケミカル カンパニ− | 液体クロマトグラフ装置から気体クロマトグラフ装置へ試料をリテンションギャップを用いて中断なしに送ることを含むクロマトグラフ分析法 |
US5522988A (en) * | 1985-01-25 | 1996-06-04 | The Dow Chemical Company | On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns |
US4935145A (en) * | 1985-01-25 | 1990-06-19 | The Dow Chemical Company | On-line coupled liquid and gas chromatography system |
IT1184320B (it) * | 1985-02-21 | 1987-10-28 | Erba Strumentazione | Procedimento e dispositivo per l'iniezione diretta in colonna di campioni contenenti composti alto bollenti e/o mediovolatili |
FR2599152B1 (fr) * | 1986-05-22 | 1989-07-28 | Flopetrol | Procede et appareil d'analyse chromatographique, en particulier pour liquides petroliers |
US5083450A (en) * | 1990-05-18 | 1992-01-28 | Martin Marietta Energy Systems, Inc. | Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds |
DE69023513T2 (de) * | 1990-12-04 | 1996-04-04 | Dow Chemical Co | Gaschromatographieverfahren und -vorrichtung. |
US5135549A (en) * | 1991-01-30 | 1992-08-04 | The Board Of Trustees Of Southern Illinois University | Chromatographic technique and apparatus |
US6058789A (en) * | 1994-03-26 | 2000-05-09 | Kohsaka; Hiroji | Sampling device for gas analyzers |
JPH07260644A (ja) * | 1994-03-26 | 1995-10-13 | Horiba Ltd | ガス分析におけるサンプリング装置 |
AU2781995A (en) * | 1994-06-24 | 1996-01-19 | Universite De Montreal | Selective removal of volatile substances injected into a chromatographic packing filled column |
DE9421595U1 (de) * | 1994-12-10 | 1996-04-11 | Hewlett-Packard GmbH, 71034 Böblingen | Flüssigkeitschromatographiesystem zur Thermostatisierung einer Vorsäule und einer Trennsäule eines Flüssigkeitschromatographiesystems |
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 |
US5760291A (en) * | 1996-09-03 | 1998-06-02 | Hewlett-Packard Co. | Method and apparatus for mixing column effluent and make-up gas in an electron capture detector |
US6131440A (en) | 1996-10-15 | 2000-10-17 | Universite De Montreal | Selective removal of volatile substances injected into a chromatographic packing filled column |
US5846292A (en) * | 1997-05-06 | 1998-12-08 | Board Of Supervisors At Louisiana State University & Agricultural & Mechanical College | Chromatograph with column extraction |
AU2001229406A1 (en) | 2000-01-12 | 2001-07-24 | Zoex Corporation | Transverse thermal modulation |
IT1318194B1 (it) | 2000-07-19 | 2003-07-28 | Thermoquest Italia Spa | Metodo e dispositivo per l'iniezione a vaporizzazione |
DE10133774B4 (de) * | 2001-07-16 | 2012-03-22 | Joint Analytical Systems Gmbh | Verdampferrohr zum Verdampfen von flüssigen Proben für die Kapillar-Gaschromatographie |
ITMI20030332A1 (it) * | 2003-02-25 | 2004-08-26 | Mega S N C Di Barbieri Edda | Metodo ed iniettore per l'iniezione diretta in colonna per gascromatografia e splittaggio in fase liquida. |
US7520920B1 (en) * | 2005-03-04 | 2009-04-21 | Griffin Analytical Technologies | Guard columns for gas chromatographs and gas chromatograph-mass spectrometers |
US7867325B2 (en) * | 2008-01-18 | 2011-01-11 | Restek Corporation | Gas chromatographic device |
US8506688B2 (en) * | 2008-01-18 | 2013-08-13 | Restek Corporation | Gas chromatographic device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841005A (en) * | 1956-12-11 | 1958-07-01 | Gulf Oil Corp | Chromatographic method and apparatus |
US3225520A (en) * | 1962-06-04 | 1965-12-28 | Gulf Research Development Co | Sample preparation and collection means for gas chromatographic columns |
US3225521A (en) * | 1962-06-04 | 1965-12-28 | Gulf Research Development Co | Serially connected thermochromatographic columns |
US3263493A (en) * | 1964-04-13 | 1966-08-02 | Exxon Research Engineering Co | Gas chromatograph moisture analyzer |
US3518059A (en) * | 1967-05-31 | 1970-06-30 | Hewlett Packard Co | Method and apparatus for determining chemical structure |
US3592064A (en) * | 1969-02-18 | 1971-07-13 | Bryggeriindustriens Forsknings | Method for transferring a sample to be analyzed into the column of a gas chromatograph, and system for carrying out the method |
US3841059A (en) * | 1972-09-25 | 1974-10-15 | W Mccabe | Compressed and thermostated air regulated gas liquid chromatography oven with simultaneously operated multiple chromatography columns |
JPS5183596A (ja) * | 1975-01-20 | 1976-07-22 | Hitachi Ltd | Ryurokirikaesochi |
US4007626A (en) * | 1975-04-18 | 1977-02-15 | Phillips Petroleum Company | Chromatographic analysis |
DE2823445A1 (de) * | 1978-05-29 | 1979-12-06 | Inst Chromatographie | System zur elektronischen oder elektromechanischen polaritaetsoptimierung in der gas-chromatographie |
GB2030055B (en) * | 1978-09-26 | 1983-01-12 | Erba Strumentazione | Sample injection into gas chromatorgraphic columns |
-
1980
- 1980-11-06 IT IT25818/80A patent/IT1134198B/it active
-
1981
- 1981-10-23 EP EP81108799A patent/EP0051778B1/de not_active Expired
- 1981-10-23 AT AT81108799T patent/ATE13355T1/de not_active IP Right Cessation
- 1981-10-23 DE DE8181108799T patent/DE3170534D1/de not_active Expired
- 1981-11-06 US US06/318,907 patent/US4383839A/en not_active Expired - Lifetime
- 1981-11-06 JP JP56177271A patent/JPS57108660A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT8025818A0 (it) | 1980-11-06 |
IT1134198B (it) | 1986-07-31 |
ATE13355T1 (de) | 1985-06-15 |
US4383839A (en) | 1983-05-17 |
JPS57108660A (en) | 1982-07-06 |
EP0051778B1 (de) | 1985-05-15 |
EP0051778A3 (en) | 1982-07-21 |
EP0051778A2 (de) | 1982-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |