Table 1 Comparison of the weight% of elements in the historical brick sample and the purchased brick.
Element Sample | Fe | Ca | K | Cl | Si | Al | Mg | Na | O |
|---|---|---|---|---|---|---|---|---|---|
Historical Brick | 2.88 | 13.52 | 1.29 | 2.69 | 17.12 | 6.24 | 2.27 | 1.98 | 52.02 |
Purchased Brick | 2.63 | 10.29 | 1.73 | 0.18 | 18.25 | 6.60 | 2.30 | 0.76 | 57.26 |