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单词 metastable ion
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.
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