resonant ionization mass spectrometry

resonant ionization mass spectrometry

[¦rez·ən·ənt ‚ī·ə·nə‚zā·shən ¦mas spek′träm·ə·trē]
(spectroscopy)
An instrumental technique for quantitative identification of trace impurities (at or below the part-per-billion level), it begins with laser-induced or ion-induced desorption, followed by resonant laser ionization (usually from two or three lasers), and then analysis by time-of-flight mass spectrometry. Abbreviated RIMS.
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