[go: up one dir, main page]

GB1346393A - Means for effecting improvements to mass spectrometers and mass filters - Google Patents

Means for effecting improvements to mass spectrometers and mass filters

Info

Publication number
GB1346393A
GB1346393A GB934272A GB934272A GB1346393A GB 1346393 A GB1346393 A GB 1346393A GB 934272 A GB934272 A GB 934272A GB 934272 A GB934272 A GB 934272A GB 1346393 A GB1346393 A GB 1346393A
Authority
GB
United Kingdom
Prior art keywords
mass
filters
spectrometers
effecting improvements
effecting
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
Application number
GB934272A
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.)
Unisearch Ltd
Original Assignee
Unisearch 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 Unisearch Ltd filed Critical Unisearch Ltd
Publication of GB1346393A publication Critical patent/GB1346393A/en
Expired 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
    • H01J49/26—Mass spectrometers or separator tubes
    • H01J49/34—Dynamic spectrometers
    • H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
    • H01J49/4205—Device types
    • H01J49/421—Mass filters, i.e. deviating unwanted ions without trapping
    • H01J49/4215—Quadrupole mass filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J49/00—Particle spectrometers or separator tubes
    • H01J49/26—Mass spectrometers or separator tubes
    • H01J49/34—Dynamic spectrometers
    • H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
    • H01J49/426—Methods for controlling ions
    • H01J49/427—Ejection and selection methods
    • H01J49/429—Scanning an electric parameter, e.g. voltage amplitude or frequency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Tubes For Measurement (AREA)
GB934272A 1971-03-08 1972-02-29 Means for effecting improvements to mass spectrometers and mass filters Expired GB1346393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU423171 1971-03-08

Publications (1)

Publication Number Publication Date
GB1346393A true GB1346393A (en) 1974-02-06

Family

ID=3694680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB934272A Expired GB1346393A (en) 1971-03-08 1972-02-29 Means for effecting improvements to mass spectrometers and mass filters

Country Status (4)

Country Link
CA (1) CA946527A (en)
DE (1) DE2211227A1 (en)
GB (1) GB1346393A (en)
NL (1) NL151837B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003512702A (en) * 1999-10-19 2003-04-02 シマヅ リサーチ ラボラトリー（ヨーロッパ）リミティド Method and apparatus for driving a quadrupole ion trap device
WO2005083743A2 (en) 2004-02-24 2005-09-09 Shimadzu Research Laboratory (Europe) Limited An ion trap and a method for dissociating ions in an ion trap
CN109001117A (en) * 2018-08-09 2018-12-14 金华职业技术学院 A method for studying the photoelectron spectrum of macromolecular ions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204042A1 (en) * 1972-10-20 1974-05-17 Unisearch Ltd Mass spectrometer - with composite dc and periodically varying electrode potentials

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003512702A (en) * 1999-10-19 2003-04-02 シマヅ リサーチ ラボラトリー（ヨーロッパ）リミティド Method and apparatus for driving a quadrupole ion trap device
RU2249275C2 (en) * 1999-10-19 2005-03-27 Симадзу Рисерч Лэборетри (Юроп) Лтд. Methods and device for controlling installation incorporating quadruple ion trap
US7193207B1 (en) 1999-10-19 2007-03-20 Shimadzu Research (Europe) Ltd. Methods and apparatus for driving a quadrupole ion trap device
EP1222680B1 (en) * 1999-10-19 2009-09-30 Shimadzu Research Laboratory (Europe) Ltd. Methods and apparatus for driving a quadrupole ion trap device
WO2005083743A2 (en) 2004-02-24 2005-09-09 Shimadzu Research Laboratory (Europe) Limited An ion trap and a method for dissociating ions in an ion trap
US7755034B2 (en) 2004-02-24 2010-07-13 Shimadzu Research Laboratory (Europe) Limited Ion trap and a method for dissociating ions in an ion trap
CN109001117A (en) * 2018-08-09 2018-12-14 金华职业技术学院 A method for studying the photoelectron spectrum of macromolecular ions

Also Published As

Publication number Publication date
DE2211227A1 (en) 1972-10-26
CA946527A (en) 1974-04-30
NL7203061A (en) 1972-09-12
NL151837B (en) 1976-12-15

Similar Documents

Publication Publication Date Title
CS186767B2 (en) Frame filter
ZA723458B (en) Improvements relating to reconstituted-tobacco smoking materials
ZA727142B (en) Filter arrangement
ZA725740B (en) Improvements relating to smoking materials
ZA721212B (en) Improved filter cigarette
ZA723459B (en) Improvements relating to reconstituted-tobacco smoking materials
IL40368A0 (en) Rotary filter
ZA712317B (en) Improvements relating to tobaccosmoke filters
ZA722232B (en) Improvements relating to tobacco-smoke filters
ZA725729B (en) Improvements relating to tobacco-smoke filters
GB1346393A (en) Means for effecting improvements to mass spectrometers and mass filters
IL39911A0 (en) Purifying gamma-globulin
ZA723840B (en) Improvements relating to phenylimidazolidinones
ZA728708B (en) Binders
AU3234771A (en) Gas filters
CA1003343A (en) Filter elements
ZA727657B (en) Improvements in or relating to filters
ZA726026B (en) Anti-smoking preparation
AU457244B2 (en) Means for effecting improvements to mass spectrometers and mass filters
ZA723086B (en) Filter insert piece
IL38562A0 (en) New rutin-complexes and process for the preparation thereof
YU35299B (en) Elektromechanical filter
ZA722558B (en) Improvements relating to tobacco-smoke filters
ZA726167B (en) Dust-gas filter having filter elements
ZA722161B (en) Improvements relating to 4-hydroxy-1-phenyl-2-pyrrolidino-pentane

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee