ITMI941889A0 - Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatografici - Google Patents
Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatograficiInfo
- Publication number
- ITMI941889A0 ITMI941889A0 ITMI941889A ITMI941889A ITMI941889A0 IT MI941889 A0 ITMI941889 A0 IT MI941889A0 IT MI941889 A ITMI941889 A IT MI941889A IT MI941889 A ITMI941889 A IT MI941889A IT MI941889 A0 ITMI941889 A0 IT MI941889A0
- Authority
- IT
- Italy
- Prior art keywords
- controlling
- flow rate
- gas
- chromatographic apparatus
- carrier gas
- Prior art date
Links
- 239000007789 gas Substances 0.000 title 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
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- 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
- G01N30/26—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
- G01N2030/3084—Control of physical parameters of the fluid carrier of temperature ovens
-
- 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
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/324—Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
-
- 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
- G01N30/86—Signal analysis
- G01N30/8658—Optimising operation parameters
Landscapes
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
- Flow Control (AREA)
- Sampling And Sample Adjustment (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941889A IT1274775B (it) | 1994-09-16 | 1994-09-16 | Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatografici |
US08/646,308 US5859360A (en) | 1994-09-16 | 1995-09-15 | Method and device for controlling flow rate of carrier gas in chromatographic apparatus |
EP95933372A EP0741867B1 (en) | 1994-09-16 | 1995-09-15 | Method and device for controlling flow rate of carrier gas in gas chromatographic apparatus |
DE69524060T DE69524060T2 (de) | 1994-09-16 | 1995-09-15 | Verfahren und vorrichtung zur trägergasflussratenregelung in einem chromatographen |
PCT/EP1995/003627 WO1996008718A1 (en) | 1994-09-16 | 1995-09-15 | Method and device for controlling flow rate of carrier gas in gas chromatographic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941889A IT1274775B (it) | 1994-09-16 | 1994-09-16 | Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatografici |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI941889A0 true ITMI941889A0 (it) | 1994-09-16 |
ITMI941889A1 ITMI941889A1 (it) | 1996-03-16 |
IT1274775B IT1274775B (it) | 1997-07-24 |
Family
ID=11369561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI941889A IT1274775B (it) | 1994-09-16 | 1994-09-16 | Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatografici |
Country Status (5)
Country | Link |
---|---|
US (1) | US5859360A (it) |
EP (1) | EP0741867B1 (it) |
DE (1) | DE69524060T2 (it) |
IT (1) | IT1274775B (it) |
WO (1) | WO1996008718A1 (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5670707A (en) * | 1996-11-01 | 1997-09-23 | Varian Associates, Inc. | Calibration method for a chromatography column |
IT1309602B1 (it) * | 1999-02-25 | 2002-01-24 | Thermoquest Italia Spa | Metodo ed apparecchio per il riallineamento dei picchi in analisigascromatografiche. |
US6865926B2 (en) * | 2000-01-25 | 2005-03-15 | 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 |
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 |
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 |
US6634211B1 (en) * | 2001-05-16 | 2003-10-21 | Leonid M. Blumberg | Method translation in gas chromatography |
US7010464B2 (en) * | 2001-07-25 | 2006-03-07 | Schneider Automation Inc. | Mobile HVAC cavity test device, method, and computer product |
DE50111054D1 (de) | 2001-12-21 | 2006-11-02 | Agilent Technologies Inc | Verfahren zur Bereitstellung von Volumenströmen von Fluiden |
ITMI20022605A1 (it) * | 2002-12-09 | 2004-06-10 | Thermo Finnigan Italia S P A | Metodo ed apparecchiatura per mantenere costanti i tempi di ritenzione nell'analisi gascromatografica. |
CN101198863B (zh) * | 2005-06-14 | 2012-09-05 | 珀金埃尔默Las公司 | 冷却色谱柱的方法 |
EP1925935A1 (en) * | 2006-11-23 | 2008-05-28 | Varian B.V. | Gas detection system and method |
NL2002365C2 (en) * | 2008-05-26 | 2011-04-05 | Avantium Holding B V | Flow splitter and reaction assembly. |
EP2256490A1 (en) * | 2009-05-29 | 2010-12-01 | Bruker Chemical Analysis B.V. | Control of gas pressure for gas chromatography |
CN102466662B (zh) * | 2010-11-09 | 2014-07-02 | 中国石油天然气股份有限公司 | 气相色谱-质谱分析的数据处理方法 |
EP2581741B1 (en) * | 2011-10-12 | 2019-09-18 | Agilent Technologies, Inc. | Method transfer by freezing an initially non-controlled parameter |
JP6281450B2 (ja) * | 2014-09-09 | 2018-02-21 | 株式会社島津製作所 | ガスクロマトグラフ及びこれに用いられる流量制御装置 |
JP6711299B2 (ja) * | 2017-02-22 | 2020-06-17 | 株式会社島津製作所 | ガスクロマトグラフ |
US10458961B2 (en) * | 2017-08-01 | 2019-10-29 | Shimadzu Corporation | Gas chromatograph |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4845985A (en) * | 1988-02-17 | 1989-07-11 | Hewlett-Packard Company | Supercritical fluid chromatography |
US4994096A (en) * | 1989-05-09 | 1991-02-19 | Hewlett-Packard Co. | Gas chromatograph having integrated pressure programmer |
JPH087195B2 (ja) * | 1989-12-22 | 1996-01-29 | 株式会社日立製作所 | ガスクロマトグラフ |
JPH04184167A (ja) * | 1990-11-16 | 1992-07-01 | Hitachi Ltd | クロマトグラフ分析装置 |
JPH0769315B2 (ja) * | 1992-04-06 | 1995-07-26 | 株式会社島津製作所 | ガスクロマトグラフ装置 |
-
1994
- 1994-09-16 IT ITMI941889A patent/IT1274775B/it active IP Right Grant
-
1995
- 1995-09-15 DE DE69524060T patent/DE69524060T2/de not_active Expired - Lifetime
- 1995-09-15 EP EP95933372A patent/EP0741867B1/en not_active Expired - Lifetime
- 1995-09-15 WO PCT/EP1995/003627 patent/WO1996008718A1/en active IP Right Grant
- 1995-09-15 US US08/646,308 patent/US5859360A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996008718A1 (en) | 1996-03-21 |
DE69524060D1 (de) | 2002-01-03 |
IT1274775B (it) | 1997-07-24 |
EP0741867A1 (en) | 1996-11-13 |
ITMI941889A1 (it) | 1996-03-16 |
US5859360A (en) | 1999-01-12 |
EP0741867B1 (en) | 2001-11-21 |
DE69524060T2 (de) | 2002-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ITMI941889A0 (it) | Metodo e dispositivo per il controllo della portata di gas vettore in apparecchi gascromatografici | |
EP1017969A4 (en) | APPARATUS AND METHOD FOR MEASURING THE FLOW OF A GAS | |
GB2310620B (en) | Method and apparatus for conditioning fluid flow | |
GB2325949B (en) | Flow control apparatus and method | |
AU4535393A (en) | Semiconductor wafer processing method and apparatus with heat and gas flow control | |
NO952582D0 (no) | Monitor for multi-fase fluidström og fremgangsmåte derved | |
NO174643C (no) | Apparat og framgangsmåte for bestemmelse av strömningshastighet og gass/væske-forhold i flerefase-strömmer | |
NO954512D0 (no) | Apparat og fremgangsmåte for gass/væskeseparasjon | |
DK0713080T3 (da) | Fremgangsmåde og anordning til måling med "sing-around"-teknik | |
AU2418392A (en) | Ultrasonic gas flow measurement method and apparatus | |
DE69526028T2 (de) | Flüssigkeitsstromapparat | |
GB9514024D0 (en) | Device and method for supplying fluid materials | |
EP0767894A4 (en) | APPARATUS AND METHOD FOR MEASURING MASS FLOW | |
KR970703522A (ko) | 분말유량 측정장치와 분말공급장치 및 방법(device for measuring powder flow rate and apparatus and method for supplying powder) | |
DE19580750T1 (de) | Luftströmungsraten-Meßvorrichtung und Luftsrömungsraten-Meßverfahren | |
FI952013A0 (fi) | Jatkuvan virtauksen analysointimenetelmä ja -laitteisto | |
EP0207526A3 (en) | Method and apparatus for controlling liquid metal flow | |
DK86894A (da) | Fremgangsmåde samt apparat til rensning af gas | |
GB2263336B (en) | Method and device for the quantitative determination of a component of gas flow | |
EP0734225A4 (en) | DEVICE AND METHOD FOR MEASURING A LIQUID AND / OR GAS FLOW | |
SG67558A1 (en) | Method of controlling gas flow rate in gas phase polymerization apparatus and gas phase polymerization apparatus | |
EP0445675A3 (en) | Method and apparatus for continuous flow analysis | |
GB9301873D0 (en) | Method and apparatus for fluid flow metering | |
GB9314592D0 (en) | Method and apparatus for improving liquid flow | |
GB9418359D0 (en) | Method and apparatus for fluid analysis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970926 |