pegasus4dProduct Details; Item Pegasus BTX GC-TOF Mass Spectrometer; Company LECO; Price Get Quote; Catalog Number Pegasus BTX; Quantity EA; Resolution >1100 at mz 219; MassConsult LECO's entire Pegasus BT 4D catalogue on . Page: 16. ® Quantitative Analysis Using the PEGASUS BT 4D By leveraging GC×GC’s superior chromatographic