Analytical instrumentation
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As an alternative method for petrochemical analysis, comprehensive two-dimensional GC (GCxGC) provides a significant increase in the ability to identify and quantify individual compounds in complex matrices. By adding a second orthogonal separation to the existing one-dimensional separation, GCxGC provides an increase in compound detectibility as well as an enhancement in component resolution. Leco’s (USA) Pegasus® 4D GCxGC-TOFMS and GCxGC-FID/ECD instruments, both powered by Windows®-based ChromaTOF® software, have consistently been used to perform detailed analyses of these fractions.
PIN 27.2 Apr/May 2026
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