ultrasensitive mass spectrometry

[¦əl·trə′sen·səd·iv ′mas spek′träm·ə·trē] (analytical chemistry) A form of mass spectrometry in which the ions to be detected are accelerated to megaelectronvolt energies in a particle accelerator and passed through a thin gas cell or foil, stripping away outer electrons, so that contaminating molecules dissociate into lower-mass fragments, and isobars can be distinguished by particle detectors that measure ionization rate and total energy.

单词	ultrasensitive mass spectrometry
释义	ultrasensitive mass spectrometry ultrasensitive mass spectrometry [¦əl·trə′sen·səd·iv ′mas spek′träm·ə·trē] (analytical chemistry) A form of mass spectrometry in which the ions to be detected are accelerated to megaelectronvolt energies in a particle accelerator and passed through a thin gas cell or foil, stripping away outer electrons, so that contaminating molecules dissociate into lower-mass fragments, and isobars can be distinguished by particle detectors that measure ionization rate and total energy.
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