pegasus 4dComprehensive Two-Dimensional Gas Chromatography with Time-of-Flht Mass Spectrometer GCxGC, combined with the Pegasus HT-C TOFMS, changes the dynamic when analyzingLECO provides the solution for complex sample analysis with the Pegasus 4D, the pre-eminent MS detector for Comprehensive Two-Dimensional GC (GCxGC).