[go: up one dir, main page]

GB2324875B - Corona discharge ion source for analytical instruments - Google Patents

Corona discharge ion source for analytical instruments

Info

Publication number
GB2324875B
GB2324875B GB9816445A GB9816445A GB2324875B GB 2324875 B GB2324875 B GB 2324875B GB 9816445 A GB9816445 A GB 9816445A GB 9816445 A GB9816445 A GB 9816445A GB 2324875 B GB2324875 B GB 2324875B
Authority
GB
United Kingdom
Prior art keywords
ion source
corona discharge
analytical instruments
discharge ion
analytical
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
GB9816445A
Other versions
GB2324875A (en
GB9816445D0 (en
Inventor
Robert Brian Turner
Stephen John Taylor
Alastair Clark
Paul Douglas Arnold
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.)
Smiths Detection Watford Ltd
Original Assignee
Graseby Dynamics 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
Priority claimed from GBGB9602158.9A external-priority patent/GB9602158D0/en
Application filed by Graseby Dynamics Ltd filed Critical Graseby Dynamics Ltd
Priority to GB9816445A priority Critical patent/GB2324875B/en
Publication of GB9816445D0 publication Critical patent/GB9816445D0/en
Publication of GB2324875A publication Critical patent/GB2324875A/en
Application granted granted Critical
Publication of GB2324875B publication Critical patent/GB2324875B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J49/168—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission field ionisation, e.g. corona discharge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB9816445A 1996-02-02 1997-01-31 Corona discharge ion source for analytical instruments Expired - Lifetime GB2324875B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9816445A GB2324875B (en) 1996-02-02 1997-01-31 Corona discharge ion source for analytical instruments

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9602158.9A GB9602158D0 (en) 1996-02-02 1996-02-02 Corona discharge ion sources for analytical instruments
PCT/GB1997/000307 WO1997028444A1 (en) 1996-02-02 1997-01-31 Corona discharge ion source for analytical instruments
GB9816445A GB2324875B (en) 1996-02-02 1997-01-31 Corona discharge ion source for analytical instruments

Publications (3)

Publication Number Publication Date
GB9816445D0 GB9816445D0 (en) 1998-09-23
GB2324875A GB2324875A (en) 1998-11-04
GB2324875B true GB2324875B (en) 2000-06-21

Family

ID=26308588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9816445A Expired - Lifetime GB2324875B (en) 1996-02-02 1997-01-31 Corona discharge ion source for analytical instruments

Country Status (1)

Country Link
GB (1) GB2324875B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0509874D0 (en) 2005-05-14 2005-06-22 Smiths Group Plc Detection systems and dopants
US7946150B2 (en) 2005-07-20 2011-05-24 Smiths Detection-Watford Limited Detection systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095206A (en) * 1990-06-01 1992-03-10 Environmental Technologies Group, Inc. Method and apparatus for improving the specificity of an ion mobility spectrometer utillizing sulfur dioxide dopant chemistry
WO1993011554A1 (en) * 1991-12-03 1993-06-10 Graseby Dynamics Limited Corona discharge ionisation source
US5234838A (en) * 1990-04-17 1993-08-10 Environmental Technologies Group, Inc. Ammonia monitor based on ion mobility spectrometry with selective dopant chemistry

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234838A (en) * 1990-04-17 1993-08-10 Environmental Technologies Group, Inc. Ammonia monitor based on ion mobility spectrometry with selective dopant chemistry
US5095206A (en) * 1990-06-01 1992-03-10 Environmental Technologies Group, Inc. Method and apparatus for improving the specificity of an ion mobility spectrometer utillizing sulfur dioxide dopant chemistry
WO1993011554A1 (en) * 1991-12-03 1993-06-10 Graseby Dynamics Limited Corona discharge ionisation source

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Analytical Chemistry, Vol.56, 1984, pp.1794-7, C. J. PROCTOR"Alternative reagent ions for plasma..." *

Also Published As

Publication number Publication date
GB2324875A (en) 1998-11-04
GB9816445D0 (en) 1998-09-23

Similar Documents

Publication Publication Date Title
IL125514A0 (en) Corona discharge ion source for analytical instruments
GB2330450B (en) Chemical ionization source for mass spectrometry
IL113468A0 (en) Ion mobility spectrometer
GB9612070D0 (en) Plasma mass spectrometer
AU9400098A (en) Improved sample inspection system
AU2245997A (en) Mutivariate sample analysis
DE69732364D1 (en) ION SOURCE
EP0954744A4 (en) Calibration system for spectrographic analyzing instruments
GB2315155B (en) Ion mobility spectrometer
GB2346730B (en) Ion source for mass analyser
HUP0000538A3 (en) Process for disinfecting instruments
EP0692717A3 (en) Analysis instrument
AUPP479298A0 (en) Ion source
AU3375497A (en) Flow-through ion beam source
GB2289570B (en) Mass spectrometer and electron impact ion source therefor
GB2324875B (en) Corona discharge ion source for analytical instruments
GB2317446B (en) Spectrometer apparatus
GB9718365D0 (en) Ion channel proteins
AU6462796A (en) Ionization apparatus
GB2345378B (en) Ion source for elemental analysis
DE59602769D1 (en) Ion source
GB9321451D0 (en) Ionisation source for mass spectrometry
GB9820386D0 (en) Ion source
DE59700270D1 (en) ION SOURCE FOR AN ION BLASTING SYSTEM
GB9626890D0 (en) Improved ion sources

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170130