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Abstract

Techniques are described for performing mass spectrometry. A quadrupole, or more generally, an electrode-based device, performs mass filtering for selectively filtering ions. One or more components generate a first RF potential, a DC potential, and a supplemental RF potential applied to the quadrupole. The supplemental RF potential has a corresponding multiple notched waveform having a plurality of corresponding frequencies thereby allowing a plurality of ions to pass through the quadrupole at a same time. Each of the plurality of corresponding frequencies corresponds to a notch in the waveform allowing one of the plurality of ions of a different mass or m/z to pass through the quadrupole for processing by another component or device.

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First Claim