Table 5 Average chemical composition of the black particles by SEM/EDS/WDS [expressed as oxides wt%]
From: Gothic green glazed tile from Malbork Castle: multi-analytical study
Compound | Al2O3 | SiO2 | SO3 | FeO | CuO | PbO | MgO | P2O5 | ZnO | SnO2 | Sb2O3 |
|---|---|---|---|---|---|---|---|---|---|---|---|
Average | 0.4 | 1.7 | 0.1 | 0.4 | 97.2 | 1.1 | 0.05 | 0.07 | 0.05 | 0.23 | 0.46 |
STDEV.P | 0.0 | 0.7 | 0.0 | 0.0 | 0.6 | 0.0 | 0.04 | 0.00 | 0.00 | 0.12 | 0.42 |
Method | EDS | EDS | EDS | EDS | EDS | EDS | WDS | WDS | WDS | WDS | WDS |