IT1226748B - Metodo e dispositivo per il controllo di funzioni in un gascromatografo. - Google Patents

Metodo e dispositivo per il controllo di funzioni in un gascromatografo.

Info

Publication number
IT1226748B
IT1226748B IT8821728A IT2172888A IT1226748B IT 1226748 B IT1226748 B IT 1226748B IT 8821728 A IT8821728 A IT 8821728A IT 2172888 A IT2172888 A IT 2172888A IT 1226748 B IT1226748 B IT 1226748B
Authority
IT
Italy
Prior art keywords
functions
control
gas chromatograph
chromatograph
gas
Prior art date
Application number
IT8821728A
Other languages
English (en)
Other versions
IT8821728A0 (it
Inventor
Fausto Munari
Original Assignee
Erba Strumentazione
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 Erba Strumentazione filed Critical Erba Strumentazione
Priority to IT8821728A priority Critical patent/IT1226748B/it
Publication of IT8821728A0 publication Critical patent/IT8821728A0/it
Priority to EP89114534A priority patent/EP0355546B1/en
Priority to DE68926002T priority patent/DE68926002T2/de
Priority to US07/394,004 priority patent/US4976750A/en
Priority to JP1213119A priority patent/JPH0282158A/ja
Application granted granted Critical
Publication of IT1226748B publication Critical patent/IT1226748B/it

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
    • G01N30/26—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
    • G01N30/32—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
    • G01N30/04—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)
  • Sampling And Sample Adjustment (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
IT8821728A 1988-08-22 1988-08-22 Metodo e dispositivo per il controllo di funzioni in un gascromatografo. IT1226748B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8821728A IT1226748B (it) 1988-08-22 1988-08-22 Metodo e dispositivo per il controllo di funzioni in un gascromatografo.
EP89114534A EP0355546B1 (en) 1988-08-22 1989-08-07 A method and device for the control of gaschromatographic functions
DE68926002T DE68926002T2 (de) 1988-08-22 1989-08-07 Verfahren und Vorrichtung zur Kontrolle der Funktionen eines Gaschromatographen
US07/394,004 US4976750A (en) 1988-08-22 1989-08-15 Method and device for the control of gas chromatographic functions
JP1213119A JPH0282158A (ja) 1988-08-22 1989-08-21 ガスクロマトグラフ機能制御の方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8821728A IT1226748B (it) 1988-08-22 1988-08-22 Metodo e dispositivo per il controllo di funzioni in un gascromatografo.

Publications (2)

Publication Number Publication Date
IT8821728A0 IT8821728A0 (it) 1988-08-22
IT1226748B true IT1226748B (it) 1991-02-05

Family

ID=11186027

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8821728A IT1226748B (it) 1988-08-22 1988-08-22 Metodo e dispositivo per il controllo di funzioni in un gascromatografo.

Country Status (5)

Country Link
US (1) US4976750A (it)
EP (1) EP0355546B1 (it)
JP (1) JPH0282158A (it)
DE (1) DE68926002T2 (it)
IT (1) IT1226748B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108466A (en) * 1990-12-21 1992-04-28 Hewlett-Packard Company Apparatus and methods for controlling fluids provided to a chromatographic detector
US5376163A (en) * 1993-05-18 1994-12-27 Andros Incorporated Filter system
EP0642017A1 (en) * 1993-09-07 1995-03-08 Hewlett-Packard Company Methods and apparatus for creating a continuous pressure controlled stream of supercritical fluid
US5531959A (en) * 1994-01-31 1996-07-02 Hamilton Company Automated liquid handling and computer controlled system and method for solid phase chromatographic extractions
US5447556A (en) * 1994-03-04 1995-09-05 Graseby-Anderson, Inc. Sample injection apparatus and method
US5467635A (en) * 1994-12-12 1995-11-21 Shimadzu Corporation Gas chromatograph
DE69622767T2 (de) * 1995-01-23 2003-04-03 Agilent Technologies Inc Strömungsmodulation zur Vereinfachung einer Detektorzündung
IT1277749B1 (it) * 1995-12-29 1997-11-12 Fisons Instr Spa Dispositivo e metodo per effettuare la separazione di un campione in singoli componenti in un condotto capillare di un apparecchio per la
JP3424432B2 (ja) * 1996-04-03 2003-07-07 株式会社島津製作所 ガスクロマトグラフ装置
US5846293A (en) * 1996-05-06 1998-12-08 The University Of Dayton Method for admitting and receiving samples in a gas chromatographic column
IT1282965B1 (it) * 1996-05-08 1998-04-03 Fisons Instr Spa Procedimento e dispositivo per l'iniezione di campioni liquidi in un gascromatografo.
US5853664A (en) * 1996-06-25 1998-12-29 Hewlett-Packard Company Flow modulation for facilitating detector ignition
JP3543532B2 (ja) * 1997-01-30 2004-07-14 株式会社島津製作所 ガスクロマトグラフ装置
JP3259655B2 (ja) * 1997-04-25 2002-02-25 株式会社島津製作所 ガスクロマトグラフ分析装置
IT1292452B1 (it) 1997-07-02 1999-02-08 Thermoquest Italia Spa Metodo,dispositivo e apparecchio per rilevare cambiamenti di stato in un capillare e ottimizzare le condizioni di iniezione di un campione
US6797188B1 (en) 1997-11-12 2004-09-28 Meihua Shen Self-cleaning process for etching silicon-containing material
IT1309602B1 (it) * 1999-02-25 2002-01-24 Thermoquest Italia Spa Metodo ed apparecchio per il riallineamento dei picchi in analisigascromatografiche.
DE10138468B4 (de) * 2001-08-04 2013-02-21 Pierburg Instruments Gmbh Schaltventilanordnung, Gaschromatograph und Verfahren zum Dosieren und Spülen eines Sammelkanals eines Gaschromatographen
DE50111054D1 (de) * 2001-12-21 2006-11-02 Agilent Technologies Inc Verfahren zur Bereitstellung von Volumenströmen von Fluiden
DE10260700A1 (de) * 2002-12-24 2004-07-08 Chankvetadze, Bezhan, Prof. Dr. Vorrichtung zur Trennung von Substanzgemischen mittels Flüssigchromatographie
US7216528B2 (en) * 2005-02-22 2007-05-15 Mecanique Analytique Inc. Diaphragm-sealed valve, analytical chromatographic system and method using the same
CA2853811A1 (en) 2008-12-16 2010-08-24 Halliburton Energy Services, Inc. Determining formation fluid composition
EP2256490A1 (en) * 2009-05-29 2010-12-01 Bruker Chemical Analysis B.V. Control of gas pressure for gas chromatography
JP5548035B2 (ja) * 2010-06-08 2014-07-16 エフアイエス株式会社 ガスクロマトグラフ及びガスクロマトグラフの使用方法
CN102290161B (zh) * 2011-06-13 2013-11-20 广州市迈克林电力有限公司 构架式支柱复合绝缘子
JP6070919B2 (ja) * 2012-03-26 2017-02-01 株式会社島津製作所 ガスクロマトグラフ
US20170276652A1 (en) * 2014-08-28 2017-09-28 Shimadzu Corporation Analyzing device
EP3849682A1 (en) * 2018-10-25 2021-07-21 Entech Instruments Inc. System and method of pressure-controlled splitting of a chemical sample

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875606A (en) * 1956-02-20 1959-03-03 Cons Electrodynamics Corp Chromatography
FR1299684A (fr) * 1961-06-15 1962-07-27 Progil Perfectionnement à l'analyse chromatographique
US3250057A (en) * 1963-03-13 1966-05-10 Texaco Trinidad Chromatographic separation of gaseous mixtures
US3422665A (en) * 1966-08-01 1969-01-21 Continental Oil Co Chromatography system
GB1214627A (en) * 1967-02-02 1970-12-02 Perkin Elmer Ltd Improvements in or relating to pressure programmers
GB1236937A (en) * 1967-12-01 1971-06-23 Ici Ltd Gas flow switching for chromatographic columns
US3496702A (en) * 1968-10-14 1970-02-24 Continental Oil Co Chromatographic analysis method and apparatus
US3494104A (en) * 1969-04-16 1970-02-10 Continental Oil Co Chromatographic separation method and apparatus
US4442217A (en) * 1979-08-06 1984-04-10 Imperial Chemical Industries Plc Sample injection
US4271697A (en) * 1979-10-17 1981-06-09 Phillips Petroleum Company Chromatographic analysis
JPS57114853A (en) * 1981-01-08 1982-07-16 Yokogawa Hokushin Electric Corp Sampling device sor process gas chromatography
US4699768A (en) * 1983-09-09 1987-10-13 Technicon Instruments Corporation Apparatus for exchanging substances between fluids
US4728344A (en) * 1984-07-26 1988-03-01 Phillips Petroleum Company Polymer analysis
US4802981A (en) * 1987-11-04 1989-02-07 Oros Systems Limited Automatic chromatography apparatus
US4814089A (en) * 1988-02-17 1989-03-21 Suprex Corporation Chromatographic separation method and associated apparatus
US4805441A (en) * 1988-02-22 1989-02-21 Cms Research Corporation Continuous air monitoring apparatus and method
US4824446A (en) * 1988-05-23 1989-04-25 Applied Automation, Inc. Gas chromatography simulation

Also Published As

Publication number Publication date
US4976750A (en) 1990-12-11
EP0355546B1 (en) 1996-03-20
EP0355546A3 (en) 1991-09-11
DE68926002T2 (de) 1996-08-22
JPH0282158A (ja) 1990-03-22
IT8821728A0 (it) 1988-08-22
EP0355546A2 (en) 1990-02-28
DE68926002D1 (de) 1996-04-25

Similar Documents

Publication Publication Date Title
IT1226748B (it) Metodo e dispositivo per il controllo di funzioni in un gascromatografo.
DE69029162D1 (de) Gaschromatograph mit integrierter Drucksteuerung
DE68906147D1 (de) Gaspedal-steuereinrichtung.
KR900013060A (ko) 연료활성화방법 및 연료활성화장치
BR8901665A (pt) Metodo e sistema para especificar uma interface de usuario
BR8900568A (pt) Mecanismo e metodo de autorizacao de programas
DE68904842D1 (de) Zeitsteuervorrichtung.
NO895306L (no) Fremgangsmaate og anordning for fjernstyring av roerstreng.
DE68923627T2 (de) Steuerungsverfahren und -vorrichtung für Nullursprungsdatenräume.
DE68907503T2 (de) Berührungsaktives Bildschirmgerät.
DE68902684T2 (de) Umwickelverfahren und -vorrichtung.
DE3683584D1 (de) Entwicklungsverfahren und -vorrichtung.
KR900702202A (ko) 람다 제어장치 및 그 방법
DE68923458T2 (de) Kryogenvorrichtung.
DE68927837T2 (de) Anzeigemedium, Anzeigeverfahren und -vorrichtung
KR900702207A (ko) 람다 제어 방법 및 장치
DE68919101D1 (de) Gasabschaltungsvorrichtung.
DE69024404D1 (de) Plattensteuergerät und dessen Betriebsverfahren
DE69028264D1 (de) Regelungsverfahren und -vorrichtung
IT1229745B (it) Sistema di comando e di controllo per un impianto utilizzante contattori.
NO904272D0 (no) Fremgangsmaate og innretning for en torpedomaalstyring.
DE68912210T2 (de) Destillationsverfahren und -vorrichtung.
DE3586534T2 (de) Steuerungsverfahren fuer einen zyklokonverter und einrichtung dafuer.
DK457389A (da) Indretning til gasregulator
NO884812D0 (no) Oppdrettsenhet for sonevis oppbygging og drift.