Figure 14.
Schematic drawing of a modified quadrupole time-of-flight tandem mass spectrometer (QSTAR XL). The plots below show the potential along the instrument axis at different steps for single ion/ion reaction experiments. Reprinted from reference [74] by Xia et al. with permission from Anal. Chem. 2006, 78, 4146–4154. Copyright 2006 American Chemical Society.