pegasus 4dThe Pegasus BT 4D is a benchtop instrument that combines GCxGC modulation with TOFMS for enhanced sensitivity and resolution. It features ChromaTOF software, StayClean EI Source, and Non-Targeted analysis capabilitiesLECO’s GCxGC thermal modulator is the key to the enhancement of chromatographic resolution obtained by the Pegasus 4D system. The modulator, placed between the two columns,