Table 2 XRD results of the corrosion products that formed on the ironwork units
From: Fortification performance of polyurethane coating in outdoor historical ironworks
Card number | Compound | Chemical composition | Percentage | |
|---|---|---|---|---|
34-1266 | Akaganeite | Fe+3O(OH) | 23.1 | Major |
08-0097 | Goethite | Fe2O3·H2O | 23.1 | |
04-0755 | Maghemite | Fe2O3 | 23.1 | |
18-0701 | Lead oxide hydrate | PbO·4H2O | 15.4 | Minor |
05-0490 | Quartz | SiO2 | 9.4 | Traces |
88-1808 | Calcite | CaCO3 | 5.9 | |