EDGMachine

Quadrupole Mass Relates

I 11111 111111ll111 Ill11 Ill11 IIIII Ill11 11111 IIIII ...
I 11111 111111ll111 Ill11 Ill11 IIIII Ill11 11111 IIIII Ill11 IIIII 11ll11111111111111 ... QUADRUPOLE MASS ... relates to a miniature micromachined ion ...
Characteristics of different mass analyzers …
Characteristics of different mass analyzers A derivation of the working equations for a quadrupole mass analyzer is beyond the scope of this discussion, but
Miniaturized Mass Spectrometer …
Technology Summary Sandia's invention relates to a miniaturized mass spectrometer using a silicon chip field emitter array as the source of electrons for impact ...
Patent US6559444 Tandem mass …
The invention relates to a tandem mass spectrometer and a method for scanning daughter ion spectra which uses a quadrupole mass spectrometer for selection of parent ...
Quadrupole mass analyzer and method of …
A method of and apparatus for mass analysis utilizes two quadrupole rod sets located in a vacuum chamber, this first rod set is intended to collimate the ions with an ...
An Introduction to Mass Spectrometry …
Data System Mass Detector Analyzer Vacuum System Source Inlet Region *More precisely mass spectrometry determines the mass of a molecule. **The mass to …
Patent US4703190 Power supply system …
A power supply system for a quadrupole mass spectrometer includes an RF (radio frequency) power source for generating RF voltages and a voltage divider functioning as ...
US Patent 4,721,854. Quadrupole mass …
Quadrupole mass spectrometer Abstract. This disclosure presents an alternative, improved approach to the RF only quadrupole mass spectrometers.
I11111 111111ll111 Ill11 Ill11 IIIII IIIII IIIII 11111 ...
I11111 111111ll111 Ill11 Ill11 IIIII IIIII IIIII 11111 Ill11 IIIII 11ll11111111111111 US006157029A United States Patent [19] [ill Patent Number: 6,157,029
“Fast Excitation” CID in a Quadrupole Ion Trap …
LCQ quadrupole ion trap mass spectrometer (Thermo ... ring electrode as this relates to the depth of the ... 785–789 FAST EXCITATION CID IN A QUADRUPOLE ION TRAP 787.
Quikdata – Unique Software for Quadrupole …
QuikData software for quadrupole mass spectrometers has since become our software of choice for a ... An additionally important design criterion relates to maximizing ...
US4721854 Quadrupole mass …
This disclosure presents an alternative, improved approach to the RF only quadrupole mass spectrometers. The ions whose masses place them near the stability limit for a ...
Quadrupole mass analyzer Google Books
Try the new Google Patents, ... The present invention relates to a quadrupole mass spectrometer using a quadrupole mass filter as a mass analyzer which separates ...
Patent US4039828 Quadrupole mass …
In a quadrupole mass spectrometer enclosed by a high vacuum container and including an ionization chamber, a molecular beam radiator passing through the container and ...
Patent US4709148 Quadrupole mass …
This invention relates to quadrupole mass spectrometers, for example inductively coupled plasma mass spectrometers of this kind. In a quadrupole mass spectrometer, a ...
WO/2003/073464 MASS SPECTROMETRY …
The invention relates to a mass spectrometry method for analysing mixtures of substances using a triple quadrupole mass spectrometer, whereby said mixtures of ...
PPT – Quadrupole Ion Trap PowerPoint …
Equation 5 relates the force on an ion at any ... Quadrupole Ion Trap (QIT) or 3D quadrupole. 13 ... one can extend the mass range of the quadrupole ion trap.
Patent US5075547 Quadrupole ion trap …
This invention relates generally to a quadrupole ion trap mass spectrometer and method of operation and more particularly to an ion trap mass spectrometer in which ...
Patent US20110253678 Method for …
The present invention relates to a method for fabricating a quadrupole mass filter (QMF) or a quadrupole ion trap (QIT).
Determination of DioxinLike and NonDioxin …
Determination of DioxinLike and NonDioxinLike Polychlorinated Biphenyl Congeners in Foodstuffs and Animal Feed Using the Agilent 7000 Triple Quadrupole GC/MS
Patent US7453061 Hyperbolic quadrupole …
Hyperbolic quadrupole mass filter made of platinum group metal coated quartz tube ... The present invention relates to a quadrupole mass analyzer which is a core ...
Summary of the characteristics of differ ent mass …
Summary of the characteristics of differ ent mass analyzers All mass spectrometers combine ion formation, mass analysis, and ion detection. This discussion
Quadrupole mass spectrometer Shimadzu …
A quadrupole mass spectrometer wherein the quadrupole and the ion detector are not in axial alignment with each other, with an exit apertured plate having ...
Quadrupole mass analyzer including spring …
Quadrupole mass analyzer including springclamped heat sink plates Abstract. A quadrupole mass analyzer in which a pair of heat sink plates 16, 17 and springs 18 ...
Introduction to Mass Spectrometry The …
An Introduction to Mass Spectrometry. Dr Alison E. Ashcroft, Mass Spectrometry Facility Manager, Astbury Centre for Structural Molecular Biology,
Comparison of veterinary drug residue …
Comparison of veterinary drug residue results in animal tissues by ultrahighperformance liquid chromatography coupled to triple quadrupole or quadrupole–timeof ...
Patent US5468957 Ejection of ions from …
The invention relates to an improved method and an apparatus for the masssequential ejection of ions from an RF quadrupole ion trap by electrical alternating fields ...
US7759655B2 Pulsed ion source for …
This invention relates to an ion source assembly for a beam mass spectrometer and to a method of ... If a quadrupole mass filter has a scan frequency of two ...
Patent CN1037133C Quadrupole mass …
A quadrupole mass spectrometer comprising measuring means for measuring the total ion current, the electron source filament surrounded by a gate having an electron ...
Differentially pumped dual linear …
More particularly, the present disclosure relates to a linear quadrupole ion trap mass spectrometer (LQIT) for analysis and identification of samples or molecules. 2.
Method of making electrodes for …
A method of making electrodes for a quadrupole type mass spectrometer which comprises the steps of extruding glass into rods having a hyperboloidal surface and ...
Quadrupole Mass Spectrometers …
Quadrupole Mass Spectrometers ... As the ions moves down the quadrupole, ... is usually treated in terms of a stability diagram that relates the applied DC ...
Patent US3935453 Quadrupole field mass …
A mass spectrometry apparatus, a quadrupole field mass analyser, is discld together with a novel method of investigating ions in or for mass spectrometry.