DE69319016T2 - Isolierte Nadel zur Erzeugung eines Elektrosprays - Google Patents

Isolierte Nadel zur Erzeugung eines Elektrosprays

Info

Publication number
DE69319016T2
DE69319016T2 DE69319016T DE69319016T DE69319016T2 DE 69319016 T2 DE69319016 T2 DE 69319016T2 DE 69319016 T DE69319016 T DE 69319016T DE 69319016 T DE69319016 T DE 69319016T DE 69319016 T2 DE69319016 T2 DE 69319016T2
Authority
DE
Germany
Prior art keywords
electrospray
generating
insulated needle
insulated
needle
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
DE69319016T
Other languages
English (en)
Other versions
DE69319016D1 (de
Inventor
Douglas Wittmer
Michael J Tomany
Joseph A Jarrell
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.)
Waters Investments Ltd
Original Assignee
Waters Investments Ltd
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 Waters Investments Ltd filed Critical Waters Investments Ltd
Publication of DE69319016D1 publication Critical patent/DE69319016D1/de
Application granted granted Critical
Publication of DE69319016T2 publication Critical patent/DE69319016T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/02—Details
    • H01J49/10—Ion sources; Ion guns
    • H01J49/16—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
    • H01J49/165—Electrospray ionisation
    • H01J49/167—Capillaries and nozzles specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0275—Interchangeable or disposable dispensing tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • 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
    • G01N30/72—Mass spectrometers
    • G01N30/7233—Mass spectrometers interfaced to liquid or supercritical fluid chromatograph
    • G01N30/724—Nebulising, aerosol formation or ionisation
    • G01N30/7266—Nebulising, aerosol formation or ionisation by electric field, e.g. electrospray
DE69319016T 1992-04-14 1993-04-07 Isolierte Nadel zur Erzeugung eines Elektrosprays Expired - Fee Related DE69319016T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/868,825 US5223226A (en) 1992-04-14 1992-04-14 Insulated needle for forming an electrospray

Publications (2)

Publication Number Publication Date
DE69319016D1 DE69319016D1 (de) 1998-07-16
DE69319016T2 true DE69319016T2 (de) 1998-11-19

Family

ID=25352386

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69319016T Expired - Fee Related DE69319016T2 (de) 1992-04-14 1993-04-07 Isolierte Nadel zur Erzeugung eines Elektrosprays

Country Status (4)

Country Link
US (1) US5223226A (de)
EP (1) EP0566022B1 (de)
JP (1) JPH07288099A (de)
DE (1) DE69319016T2 (de)

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Also Published As

Publication number Publication date
JPH07288099A (ja) 1995-10-31
DE69319016D1 (de) 1998-07-16
US5223226A (en) 1993-06-29
EP0566022B1 (de) 1998-06-10
EP0566022A1 (de) 1993-10-20

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee