Table 2 Nominal masses of triglyceride (TAG) ammonia adduct ions detected by ESI–MS, with their fatty acid composition [P = palmitic, S = stearic, O = oleic (or isomer), L = linoleic (or isomer), Ln = linolenic (or isomer)] and numbers of double bonds in the fatty acyl moieties

From: Synergistic use of Py–THM–GCMS, DTMS, and ESI–MS for the characterization of the organic fraction of modern enamel paints