pegasus4dThe Pegasus 4D GCxGC-TOFMS is a Comprehensive Two-Dimensional Gas Chromatography with Time-of-Flht Mass Spectrometer. GCxGC, combined with the Pegasus HT TOFMS, changes the dynamic when analyzing complexFor theory of operation, refer to the GCxGC Spec Sheet (209-184-001). For analytical parameters for the Pegasus BT, refer to the Pegasus BT Spec Sheet (209-251-001).