| 释义 |
metastable ion
metastable ion[¦med·ə′stā·bəl ′ī‚än] (analytical chemistry) In mass spectroscopy, an ion formed by a secondary dissociation process in the analyzer tube (formed after the parent or initial ion has passed through the accelerating field). metastable ion
metastable ion A precursor ion that dissociates into a fragment ion and neutral species after acceleration, but before reaching the detector. It is best observed when it occurs in a field-free region of a sector mass spectrometer. |