Other Ion Storage Schemes

FIGURE 7.14 ESI-TOF mass spectra of (a) hen egg-white lysozyme and (b) the pepsin digest of reduced and pyridylethylated porcine neutrophil peptide. (Reprinted with permission from references 25 and 26). 

FIGURE 7.15 Schematic diagram of a single-stage reflecting time-of-flight mass spectrometer with orthogonally injected ESI ions. (Reprinted with permission from reference 27). 

FIGURE 7,17 Schematic diagram of the pulsed ion-injection process showing the beam-modulation pulse applied to the quadrupole lens and its timing relationship with the orthogonal extraction (repeller) and Ar deflection pulses. (Reprinted with permission from reference 29). 

FIGURE 7.18 Time-of-flight mass spectra obtained with the reflectron ICP-TOFMS (1000-shot average) for pulsed ion injection utilizing (a) the Q, poles (4-ppm solution of Pb and Bi) and (b) poles (40-ppm solution of Pb and Bi). (Reprinted with permission from reference 29). 

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