Medical

double-focusing mass spectrometer

A mass spectrometer which has magnetic and electric analysers combined in a specified geometrical configuration in order to ac-complish both direction and velocity focusing of an ion beam from an ion source. DFMS provides a higher resolution and more accurate mass measurements of ions.

Mentioned in

electric sector
field-free region
single-focusing mass spectrometer

References in periodicals archive

A double-focusing mass spectrometer is at the heart of the instrument.

ISA spotlights recovery

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