The Orbitrap Mass Analyzer combined with
advanced quadrupole, S - lens, and a high - performance HCD collision cell for MS / MS plus features such as up to 18 hz scan rate, data - independent analysis (DIA), selected - ion monitoring (SIM), and spectral multiplexing up to ten precursors / scan make this system a state - of - the - art instrument for chemical and biochemical molecules analysis with up to 280,000 resolution, < 1 ppm mass accuracy, and femtogram sensitivity.