Figure 7
From: Comparison of binder compositions in Pompeian wall painting styles from Insula Occidentalis
GC-FID analyses of methylated fatty acids from non-polar extracts of the first, second, third, and fourth style samples. Peaks: 1, C16:1; 2, C16:0; 3, C18:2; 4, C18:1; 5, C18:0. E.S = external standard (methyl heptadecanoate).
