From: A methodological approach to estimate soil corrosivity for archaeological copper alloy artefacts
 | SiO2 | CaO | Al2O3 | Fe2O3 | MgO | K2O | SO3 | P2O5 | TiO2 | Cl | Na2O | Co3O4 | NiO | MnO | CuO | ZnO | L.O.I |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HT.01 | 21.8 | 25.7 | 5.1 | 3.8 | 3.0 | 1.8 | 13.6 | 0.22 | 0.36 | 1.2 | 0.88 | – | – | – | – | – | 22.48 |
HT.02 | 31.1 | 26.5 | 6.8 | 4.2 | 3.9 | 2.1 | 2.2 | 0.11 | 0.40 | 0.14 | 0.33 | – | – | – | – | – | 22.40 |
HT.03 | 35.7 | 26.7 | 7.5 | 4.7 | 4.3 | 2.6 | 3.1 | 0.21 | 0.46 | – | 0.58 | – | – | – | – | – | 14.16 |
HT.04 | 32.0 | 21.5 | 6.4 | 3.9 | 4.0 | 2.6 | 0.74 | 0.43 | 0.38 | 0.85 | 0.74 | – | – | – | – | – | 26.60 |
HT.05 | 28.9 | 23.7 | 6.2 | 4.2 | 3.6 | 2.6 | 4.7 | 0.21 | 0.39 | 0.71 | 0.58 | – | – | – | – | – | 24.15 |
HT.06 | 29.7 | 24.9 | 7.0 | 5.8 | 4.2 | 3.0 | 2.8 | 0.79 | 0.51 | 0.66 | 0.72 | – | – | – | – | – | 20.00 |
ST.01 | 30.5 | 23.5 | 8.8 | 7.6 | 4.0 | 2.2 | 0.13 | 0.58 | 0.72 | 0.082 | – | 0.035 | 0.067 | 0.10 | 0.091 | 0.064 | 21.56 |
ST.02 | 33.1 | 20.1 | 9.1 | 7.9 | 4.3 | 2.1 | 0.074 | 0.25 | 0.77 | 0.079 | 0.93 | 0.037 | 0.068 | 0.097 | 0.094 | 0.065 | 20.78 |
ST.03 | 26.0 | 24.5 | 9.7 | 9.1 | 4.4 | 2.4 | 0.085 | 0.46 | 0.85 | 0.057 | – | 0.034 | 0.079 | 0.091 | 0.093 | 0.066 | 22.10 |
ST.04 | 30.5 | 23.2 | 7.7 | 7.6 | 4.5 | 1.7 | 0.082 | 0.37 | 0.83 | 0.053 | – | 0.027 | 0.074 | 0.085 | 1.8 | 0.062 | 21.25 |
ST.05 | 32.3 | 22.9 | 8.6 | 7.5 | 3.7 | 2.1 | 0.075 | 0.48 | 0.67 | 0.035 | – | – | – | 0.041 | – | – | 21.60 |
ST.06 | 55.7 | 3.0 | 14.5 | 11.1 | 4.9 | 3.4 | 0.054 | 0.26 | 1.0 | 0.035 | – | – | 0.0055 | 0.12 | 0.0038 | – | 5.98 |