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pegasus 4d Comprehensive Two-Dimensional Gas Chromatography with Time-of-Flht Mass Spectrometer. GCxGC, combined with the Pegasus HT TOFMS, changes the perspective of complex sample. The Pegasus BT 4D offers enhanced sensitivity by coupling our benchtop Pegasus BT with a hh performance GCxGC modulation system. This combination gives the Pegasus BT 4D

pegasus 188, LECO’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,.