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(a) Schematic diagram of the charge detection mass spectrometer used in this study. (b) Pulsing scheme used to accumulate and store ions in the hexapole and deliver them to the electrostatic linear ion trap just before the front endcap switches from transmission mode to reflection mode to trap the ions. High values for the hexapole-quadrupole (hex-quad) plate and front and rear endcaps indicate storage or trapping mode potentials. Low values indicate transmission mode potentials.
