Why the GC-FID and the GC-MS chromatogram of the same sample (mixture of aromatic molecules) are so different in the profile (same column and method)?

Hi everybody, I am working on the characterization of aromatic molecules.  The same sample (after derivatization) injected in the GC-MS and GC-FID gives 2 completely different chromatograms. All...

06 February 2017 8,372 12 View