Collision quadrupole

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Collision quadrupole
Transmission quadrupole to which an oscillating radio frequency potential is applied so as to focus a beam of ions through a collision gas or buffer gas with no m/z separation other than low m/z cut-off.

Note: Higher-order multipoles can also be used in this manner.
Related Term(s): RF-only quadrupole

S. A. McLuckey, G. L. Glish, R. G. Cooks. Int. J. Mass Spectrom. Ion Phys. 39, 219 (1981). ( )

R. A. Yost, C. G. Enke. J. Am. Chem. Soc. 100, 2274 (1978). ( )

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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