pegasus 4dThe 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 complexComprehensive Two-Dimensional Gas Chromatography with Time-of-Flht Mass Spectrometer GCxGC, combined with the Pegasus HT-C TOFMS, changes the dynamic when analyzing