pegasus4dSee relevant content for pegasus4dinfozzzlandinglogin.bio. Please turn off your ad blocker.The 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 complex