DE69536067D1 - Rekonfigurierbare pneumatische Kontrollvorrichtung für geteilte oder ungeteilte Injektion - Google Patents

Rekonfigurierbare pneumatische Kontrollvorrichtung für geteilte oder ungeteilte Injektion

Info

Publication number
DE69536067D1
DE69536067D1 DE69536067T DE69536067T DE69536067D1 DE 69536067 D1 DE69536067 D1 DE 69536067D1 DE 69536067 T DE69536067 T DE 69536067T DE 69536067 T DE69536067 T DE 69536067T DE 69536067 D1 DE69536067 D1 DE 69536067D1
Authority
DE
Germany
Prior art keywords
reconfigurable
split
control device
pneumatic control
undivided injection
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 - Lifetime
Application number
DE69536067T
Other languages
English (en)
Inventor
Robert C Henderson
W Dale Snyder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Application granted granted Critical
Publication of DE69536067D1 publication Critical patent/DE69536067D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N30/24—Automatic injection systems
    • 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
    • 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

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)
DE69536067T 1994-05-31 1995-01-30 Rekonfigurierbare pneumatische Kontrollvorrichtung für geteilte oder ungeteilte Injektion Expired - Lifetime DE69536067D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/251,830 US5431712A (en) 1994-05-31 1994-05-31 Reconfigurable pneumatic control for split/splitless injection

Publications (1)

Publication Number Publication Date
DE69536067D1 true DE69536067D1 (de) 2010-06-02

Family

ID=22953592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69536067T Expired - Lifetime DE69536067D1 (de) 1994-05-31 1995-01-30 Rekonfigurierbare pneumatische Kontrollvorrichtung für geteilte oder ungeteilte Injektion

Country Status (4)

Country Link
US (1) US5431712A (de)
EP (1) EP0685738B1 (de)
JP (1) JP3472386B2 (de)
DE (1) DE69536067D1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567227A (en) * 1995-01-23 1996-10-22 Hewlett-Packard Company Method for improving the range of stable control of the pneumatic system of a gas chromatograph
US5545252A (en) * 1995-03-01 1996-08-13 The Perkin-Elmer Corporation Flow regulation in gas chromatograph
US5642271A (en) * 1995-08-31 1997-06-24 Hewlett-Packard Company Pneumatic control system
US5711786A (en) * 1995-10-23 1998-01-27 The Perkin-Elmer Corporation Gas chromatographic system with controlled sample transfer
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
IT1282965B1 (it) * 1996-05-08 1998-04-03 Fisons Instr Spa Procedimento e dispositivo per l'iniezione di campioni liquidi in un gascromatografo.
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
US6063166A (en) * 1998-07-30 2000-05-16 Hewlett-Packard Company Chromatograph having a gas storage system
JP2003207492A (ja) * 2002-01-10 2003-07-25 Shimadzu Corp ガスクロマトグラフ
US7437906B2 (en) 2002-02-22 2008-10-21 Dani Instruments S.P.A. Flow regulator device for an analytical circuit and its use in chromatography
US6648609B2 (en) * 2002-04-05 2003-11-18 Berger Instruments, Inc. Pump as a pressure source for supercritical fluid chromatography involving pressure regulators and a precision orifice
US7258132B2 (en) * 2004-06-18 2007-08-21 Agilent Technologies, Inc. Electronically controlled back pressure regulator
US20060219637A1 (en) * 2005-03-29 2006-10-05 Killeen Kevin P Devices, systems and methods for liquid chromatography
US20070016333A1 (en) * 2005-07-12 2007-01-18 Edwards Grant B Method and apparatus for controlling the valve position of a variable orifice flow meter
DE102005050114A1 (de) * 2005-10-18 2007-04-19 Studiengesellschaft Kohle Mbh Analyse von Stoffgemischen
US8141411B2 (en) * 2008-09-30 2012-03-27 Thermo Finnigan Llc Method for determining a low cylinder pressure condition for a gas chromatograph
US8343258B2 (en) 2010-03-30 2013-01-01 Agilent Technologies, Inc. Apparatus and method for controlling constant mass flow to gas chromatography column
US9429499B2 (en) 2010-10-29 2016-08-30 Agilent Technologies, Inc. Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample
US8887586B2 (en) * 2010-10-29 2014-11-18 Agilent Technologies, Inc. Head space sampling device and method for detecting leaks in same
JP2014134392A (ja) * 2013-01-08 2014-07-24 Shimadzu Corp ガスクロマトグラフ装置
CN105467049B (zh) 2014-05-26 2019-06-28 安捷伦科技有限公司 气相色谱单元、用相同该单元的可扩展气相色谱系统及相关方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1214627A (en) * 1967-02-02 1970-12-02 Perkin Elmer Ltd Improvements in or relating to pressure programmers
US4994096A (en) * 1989-05-09 1991-02-19 Hewlett-Packard Co. Gas chromatograph having integrated pressure programmer
US4948389A (en) * 1989-05-22 1990-08-14 Hewlett-Packard Company Gas chromatograph having cyro blast coolings
US5141534A (en) * 1990-09-28 1992-08-25 The Regents Of The University Of Michigan Sample collection and inlet systems for gas chromatography apparatus
US5108466A (en) * 1990-12-21 1992-04-28 Hewlett-Packard Company Apparatus and methods for controlling fluids provided to a chromatographic detector
US5163979A (en) * 1991-06-27 1992-11-17 The Dow Chemical Company Pressure programmable gas chromatograph regulator
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

Also Published As

Publication number Publication date
EP0685738B1 (de) 2010-04-21
JP3472386B2 (ja) 2003-12-02
JPH07333207A (ja) 1995-12-22
EP0685738A1 (de) 1995-12-06
US5431712A (en) 1995-07-11

Similar Documents

Publication Publication Date Title
DE69536067D1 (de) Rekonfigurierbare pneumatische Kontrollvorrichtung für geteilte oder ungeteilte Injektion
DE69432369T2 (de) Steuerungseinheit für Fahrzeug
DE69738662D1 (de) Kontrastregelung für Antialiasing
DE69426890D1 (de) Steuereinheit für baumaschinen
DE69505750T2 (de) Ventilvorrichtung für Kanülenanordnung
DE69525519D1 (de) Steuervorrichtung für Fahrzeuge
DE69716671T2 (de) Steuervorrichtung für Baumaschinen
DE4397555T1 (de) Konstruktionskörper für Betätigungselemente
DE69619367D1 (de) Steuerungsverfahren und -vorrichtung für schalterantrieb
DE69331728D1 (de) Steuervorrichtung für Fahrzeug
DE69400294D1 (de) Hydraulische Steuereinrichtung für Baumaschinen
DE69513909D1 (de) Steuervorrichtung für industrieroboter
DE69413014T2 (de) Steueranordnung für akustischen quellen
DE59302666D1 (de) Gehäuse für steuergeräte
DE69409679T2 (de) Führungseinheit für Linearbewegungen
DE59303647D1 (de) Steuereinrichtung für fahrzeuge
DE68924992D1 (de) Symmetrische Steuerungsanordnung für Multiverarbeitung.
DE69420665D1 (de) Steuerungsvorrichtung für Elektrofahrzeuge
DE4397037T1 (de) Steuerungssystem für einen oder mehrere Arbeitspunkte
DE69425576D1 (de) Hochleistungs-hochgeschwindigkeits-kontroll-vorrichtung für kettenschalter
DE69526152D1 (de) Steuervorrichtung für markiergerät
DE59503872D1 (de) Regelanordnung für hydraulische antriebe
DE69507611D1 (de) Verbesserungen für variable spannungssteuer-vorrichtungen
DE69505258D1 (de) Regelungsvorrichtung für schleppergeschobenes landwirtschaftliches gerät
DE69635839D1 (de) Ansteuervorrichtung für arbeitsfahrzeug

Legal Events

Date Code Title Description
8364 No opposition during term of opposition