Fig. 4From: An enhanced procedure for the analysis of organic binders in Pompeian’s wall paintings from Insula OccidentalisGC-FID analysis of methylated fatty acids in sample S1. Peaks: 1, C12:0; 2, C14:0; 3, phthalate; 4, C16:1; 5, C16:0; 6, C17:0; 7, C18:2; 8, C18:1 cis-9; 9, C18:1 trans-9; 10, C18:0. IS internal standard (C15:0)Back to article page