pegasus 4dThe LECO Pegasus 4D GCxGC-TOFMS system provides a snificant increase in chromatographic resolution for petroleum analyses across a wide volatility range.The Pegasus GC-HRT 4D combines the hhest performance GCxGC and TOFMS tools on the market with Hh Resolution Deconvolution (HRD). Ideal for the most complex samples, users