Table 2 Summary of analytical data and results from the paintings under study
Painting | Colour | XRF | SEM–EDS | Raman | ||||
|---|---|---|---|---|---|---|---|---|
Elements | Figure | Elements2 | Figure | Bands (cm−1) | Compound | Figure | ||
Kojur | Blue | Pb, Fe, Ca, (Zn)1 | 6a | Pb | S1 | 1050 | Lead white | 8a |
Fe, (Al, Si, P, Mg, Ca) | S2 | 2154 | Prussian blue | 8a | ||||
Farahabad | Blue | Pb, Fe, Ca, (Mn, Cu, Zn) | Â | Pb, (Ca) | S3 | 1050 | Lead white | Â |
| Â | Â | 2154 | Prussian blue | Â | ||||
White | Ca, Ti, (Zn, Fe) | 6b | Mg, Ca, Al, Si, Ti, (Ba) | S4 | 1123 | Huntite | 7d, 8c | |
450, 610 | Rutile | 7d, 8c | ||||||
549 | (Artificial ultramarine blue) | 8c | ||||||
Safiabad | Blue | Pb, Fe, Ca, (Mn, Zn) | Â | Pb, (Ca, Al) | S5 | 1050 | Lead white | 7a |
Ca | S6 | 268, 714, 1086 | Calcite | 7b | ||||
| Â | Â | 2154 | Prussian blue | Â | ||||
Dark blue | Pb, Ba, Fe, Cr, Ca, Zn | 6c | Al, Si, Ca, Zn, Ba, Pb | S7 | 464, 631, 986 | Baryte | 9a | |
277, 711, 1087 | Calcite | 9a | ||||||
1009 | Gypsum | Â | ||||||
351, 838 | Chrome yellow | 9a | ||||||
434 | Zinc white | Â | ||||||
252, 403 | (Azurite) | 8b | ||||||
Pale blue | Pb, Ba, Fe, Ca, Cl, (Cu, Zn) | Â | Pb | S8 | 1050 | Lead white | Â | |
S, Ca, Ba, (Na, Ti) | S9 | 986 | Baryte | 7e | ||||
Tajan | white | Ti, Ca, (Fe) | 6d | Â | Â | 447, 611 | Rutile | 7c |
1086 | Calcite | 7c | ||||||
Green | Cr, Ti, Fe, (Ca) | 6e | Â | Â | 551 | Chromium oxide | 9b | |
Ti, (Mg, Al, Ca) | S10 | 451, 611 | Rutile | 9b | ||||
| Â | Â | 685, 745, 837, 1145, 1283, 1340, 1528 | Phthalocyanine blue PB:16 | 8d | ||||
Red | Pb, Ca, Fe, Mn, (Cu, Zn) | Â | Â | Â | 1009 | Gypsum | 9c | |
| Â | Â | 465, 631, 986 | Baryte | 9c | ||||
Mg, Al, Si, K, Fe, (Pb, Ca, Ti, Cr) | S11 | 221, 290 | Red ochre | 9c | ||||