quadrupole


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Related to quadrupole: Quadrupole moment, Nuclear Quadrupole Moment, quadrupole mass filter

quadrupole

(ˈkwɒdrʊˌpəʊl)
n
(General Physics) physics a set of four associated positive and negative electric charges or two associated magnetic dipoles
References in periodicals archive ?
The system consists of a TSQ Quantum triple quadrupole mass spectrometer, TRACE GC Ultra[TM] and TriPlus autosampler, and is configured with Thermo Scientific Xcalibur[TM] software.
We discuss a new approach, chaotic cleaning, to the elimination of quasi-neutrons from the trap by breaking the rotational symmetry of the quadrupole trap.
These waves produced a puzzle: One of the longest wavelengths, known as the quadrupole, is less powerful than expected.
All mass spectrometric (MS) analyses were conducted on a SCIEX API-III+ (Thornhill, Ontario, Canada) triple quadrupole mass spectrometer using atmospheric pressure chemical ionization (APCI).
VG Quadrupoles have developed a combination of a quadrupole mass spectrometer (mass ranges up to 1000 amu) and an energy analyzer which, together with an appropriate sampling system, offers a sophisticated instrument for gaining maximum energy and mass information from plasma or ion beam processes.
Tenders are invited for Triple Quadrupole Mass Selective Detector
The technology creates precursor ions by way of ionization of air and then filtration through a primary quadrupole analyzer.
NasdaqGS: VARI) announced today its new 920-MS Triple Quadrupole Fourier Transform Mass Spectrometer (TQ-FTMS), available with both LC (liquid chromatography) and GC (gas chromatography) interfaces for ionization.
Aimed at new users of quadrupole devices as well as scientists, researchers and students working in analytical laboratories, this comprehensive reference provides concise descriptions of the theory of ion motion and the principles of operation.
The largest of these shifts is expected to be the atomic quadrupole shift, which depends on the orientation of the applied magnetic field relative to ambient, static electric-field gradients.
In addition, they say it is the only object ever observed to have a predominantly quadrupole magnetic field.
At the 2011 Florida Pesticide Residue Workshop, Bruker today announced the release of the SCION TQ[TM] triple quadrupole and the SCION SQ[TM] single quadrupole mass spectrometers for gas chromatography (GC) detection.