quadrupole


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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 ?
Contract notice: triple quadrupole liquid chromatograph mass spectrometer (lc-ms / ms)
Both triple quadrupole mass spectrometry and ion trap mass spectrometry are multi-stage mass spectrometry.
All systems feature precision quadrupole mass spectrometers with standard mass range options 200 and 300 amu, with mass range options from 20 to 1000 amu being available for specialized applications.
1.1.2 Single Quadrupole Liquid Chromatography-Mass Spectrometry (LC-MS)
This article describes use of a triple quadrupole GC/MS/MS method using multiple reaction monitoring (MRM) mode for sensitive and selective detection and quantitation of organochlorine pesticides and PCBs.
M2 PHARMA-June 2, 2015-Agilent Technologies Launches Advanced Triple Quadrupole Mass Spectrometer
CoMet integrates two distinctive separations--multiplexed ion mobility spectrometry (IMS) and ultra-fast quadrupole time-of-fight mass spectrometry (Q-TOF MS)--to provide a wealth of information, ultra-sensitive rapid chemical and biological analyses, masses and structures of analytes, separation of samples into chemical and biological classes based on molecular structure and thorough characterization of complex samples.
The system integrates its three mass analysers called quadrupole, Orbitrap and linear ion trap in a new Tribrid architecture, which offers unprecedented depth of analysis of complex biological samples.
Part IV covers quadrupole rod sets, and Part V details methods for 3D-quadrupole ion trap mass spectrometry.
SHIMADZU SCIENTIFIC INSTRUMENTS INTRODUCED the new compact LCMS-2020 single quadrupole mass spectrometer.
The LC-MS/MS method utilizes the Thermo Scientific TSQ Quantum triple quadrupole mass spectrometer coupled to a Thermo Scientific Surveyor MS pump and autosampler.
De Heer built a new cluster source and a quadrupole mass analyzer with a range from 1-10,000 amu; clusters were ionized using a broadband UV arc lamp - all features that later proved to be essential for the discovery of electronic shell structure.