DE69622767T2 - Strömungsmodulation zur Vereinfachung einer Detektorzündung - Google Patents

Strömungsmodulation zur Vereinfachung einer Detektorzündung

Info

Publication number
DE69622767T2
DE69622767T2 DE69622767T DE69622767T DE69622767T2 DE 69622767 T2 DE69622767 T2 DE 69622767T2 DE 69622767 T DE69622767 T DE 69622767T DE 69622767 T DE69622767 T DE 69622767T DE 69622767 T2 DE69622767 T2 DE 69622767T2
Authority
DE
Germany
Prior art keywords
flow modulation
ignition
simplify
simplify detector
detector ignition
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
Application number
DE69622767T
Other languages
English (en)
Other versions
DE69622767D1 (de
Inventor
Paul B Welsh
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
Publication of DE69622767D1 publication Critical patent/DE69622767D1/de
Application granted granted Critical
Publication of DE69622767T2 publication Critical patent/DE69622767T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N30/68—Flame ionisation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
DE69622767T 1995-01-23 1996-01-09 Strömungsmodulation zur Vereinfachung einer Detektorzündung Expired - Fee Related DE69622767T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37671795A 1995-01-23 1995-01-23

Publications (2)

Publication Number Publication Date
DE69622767D1 DE69622767D1 (de) 2002-09-12
DE69622767T2 true DE69622767T2 (de) 2003-04-03

Family

ID=23486176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622767T Expired - Fee Related DE69622767T2 (de) 1995-01-23 1996-01-09 Strömungsmodulation zur Vereinfachung einer Detektorzündung

Country Status (4)

Country Link
US (1) US5723091A (de)
EP (1) EP0723153B1 (de)
JP (1) JPH08240563A (de)
DE (1) DE69622767T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014220566B4 (de) 2013-10-11 2018-11-29 Waters Technologies Corporation Modulierte Flammen-Gasflussraten in flammenbasierten Detektoren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10128157C2 (de) * 2001-06-11 2003-08-07 Siemens Ag Gaschromatograph
US8210026B2 (en) * 2008-12-10 2012-07-03 Agilent Technologies, Inc. System for integrated backflush in a gas chromatograph
CN111707757B (zh) * 2020-06-29 2023-01-10 杭州柯林电气股份有限公司 一种基于fid的变压器油在线色谱分析方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059994A (en) * 1976-11-26 1977-11-29 The Foxboro Company Pneumatic chromatograph
PL108573B1 (en) * 1976-12-08 1980-04-30 Wojskowy Inst Chem Radiomet Burner of a detector offlame-photometric gaschromatographic apparatus
US4346055A (en) * 1978-11-29 1982-08-24 Hewlett-Packard Company Automatic ignition system for a flame ionization detector
US4869876A (en) * 1984-04-30 1989-09-26 International Business Machines Corp. Multi-purpose plural-oven gas chromatography system with shared controls
US4650499A (en) * 1985-11-27 1987-03-17 Phillips Petroleum Company Gas chromatographic apparatus and method
US4873862A (en) * 1986-04-16 1989-10-17 The Perkin-Elmer Corporation Ionization detectors for gas chromatography
DE3717456C1 (de) * 1987-05-23 1988-07-21 Eberhard Gerstel Gaschromatograph und Verfahren zur gaschromatographischen Trennung
US4871453A (en) * 1988-02-17 1989-10-03 Suprex Corporation Chromatographic separation method and associated apparatus
IT1226748B (it) * 1988-08-22 1991-02-05 Erba Strumentazione Metodo e dispositivo per il controllo di funzioni in un gascromatografo.
US4999162A (en) * 1988-08-26 1991-03-12 Varian Associates, Inc. High temperature flame jet for gas chromatography
US4883958A (en) * 1988-12-16 1989-11-28 Vestec Corporation Interface for coupling liquid chromatography to solid or gas phase detectors
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
US5205845A (en) * 1990-09-28 1993-04-27 The Regents Of The University Of Michigan Mechanical gas chromatography injection valves and column multiplexing techniques
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014220566B4 (de) 2013-10-11 2018-11-29 Waters Technologies Corporation Modulierte Flammen-Gasflussraten in flammenbasierten Detektoren

Also Published As

Publication number Publication date
DE69622767D1 (de) 2002-09-12
EP0723153A2 (de) 1996-07-24
JPH08240563A (ja) 1996-09-17
EP0723153B1 (de) 2002-08-07
EP0723153A3 (de) 1998-04-08
US5723091A (en) 1998-03-03

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee