Ion funnel
From Mass Spec Terms
| IUPAC RECOMMENDATIONS 2013 |
| Ion funnel |
|---|
| Series of stacked ring electrodes with progressively decreasing inner diameter to which a combined radio frequency and fixed potential is applied. The resulting field focuses ions travelling along the central axis. |
| Related Term(s): |
| Reference(s):
S. A. Shaffer, K. Q. Tang, G. A. Anderson, D. C. Prior, H. R. Udseth, R. D. Smith. Rapid Commun. Mass Spectrom. 11, 1813 (1997). |
| From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013. |
