Summary: Description of standard setting for analysis of derivatized samples ready for injection into a Leco Pegasus III or Pegasus IV gas chromatograph-time of flight mass spectrometer.References: Fiehn O, Wohlgemuth G, Scholz M, Kind T, Lee DY, Lu Y, Moon S, Nikolau BJ (2008) Quality control for plant metabolomics: Reporting MSI-compliant studies. Plant J. 53, 691-704