RF-only quadrupole

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RF-only quadrupole
Transmission quadrupole device in which a sinusoidal radio frequency (RF) potential is applied between the connected pairs of opposite rod electrodes in a linear quadrupole, providing a transmission device for all ions with m/z values above a cut-off value.
Note: Higher-order multipoles can also be used in this manner.
Related Term(s): collision quadrupole

A. K. Shukla, J. H. Futrell. Mass Spectrom. Rev. 12, 211 (1993). (http://dx.doi.org/10.1002/mas.1280120402 )

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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