Ion trap: Difference between revisions
From Mass Spec Terms
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Added a general definition that ICR and trapping without m/z selection |
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A device for spatially confining ions using electric and magnetic fields alone or in combination. | |||
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== [[Orange Book]] Entry == | == [[Orange Book]] Entry == | ||
Revision as of 00:31, 2 January 2006
| DRAFT DEFINITION |
| Ion trap |
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A device for spatially confining ions using electric and magnetic fields alone or in combination. |
| Considered between 2004 and 2006 but not included in the 2006 PAC submission |
| This is an unofficial draft definition presented for information and comment. |
Orange Book Entry
A device that permits the ejection of ions with a m/z ratio less than a prescribed value and retention of those with higher mass. It depends on the application of radio frequency voltages between a ring electrode and two end-cap electrodes to confine the ions in a circular path. The choice of these voltages determines the m/z ratio below which ions are ejected. Unlike the Ion Cyclotron Resonance Spectrometer no magnetic field is required for the operation of the ion trap.
