Fig. 3From: Solvent-mediated extraction of fatty acids in bilayer oil paint models: a comparative analysis of solvent application methodsOverview of the \(\hbox {C}_{17}\):\(\hbox {C}_{16}\) (284.27:270.26 m/z) peak area ratios obtained from the total ion current (TIC) chromatogram of THM-Py-GC/MS measurements on extracts taken from the Evolon tissue, the swab, and the gel with increasing exposure timeBack to article page