Table 1 List of elements identified with FE-SEM-EDX in the different layers
Sample | Layers | Elements detected | Pigments and fillers implied | |
|---|---|---|---|---|
S1–S3 | Ground | Ca, Fe, Al, Si, Pb, K, Hg | Calcite, iron- and silica-rich red earths, lead white and vermilion | |
S1–S3 | Priming | Pb, Ca | Lead white and calcite | |
S2 | Red cloak | L1 | Ca, Fe, Al, Si, Pb, K | Calcite, iron- and silica-rich red earths and lead white |
L2 | Ca, Fe, Al, Si, Pb, K, Hg | Calcite, iron- and silica-rich red eaths, lead white and vermilion | ||
L3 | Ca, Fe, Al, Si, P, S, K | Red lake and iron- and silica-rich red earths | ||
S3 | Blue sky | Ca, K, Fe, Co, Ni, As, Al, Si, Pb | Calcite, lead white and smalt | |
S1 | Flesh tones (shadow) | Ca, K, Mn, Fe, Al, Si, Pb, K, Hg | Calcite, lead white, iron- and silica-rich red earths, manganese-based brown earths and vermilion | |