Table 1.
Major element compositions (wt%) for two FSW and one FSY HACC samples, and for monohydrocalcite.
| Major element (wt%) | |||||||
|---|---|---|---|---|---|---|---|
| CaP | Mtot-TG | MnP | Odif | C | H | N | |
| FSW21 | 30.5 (n = 3) | 31.9 | 0.12 | 53.375 | 12.49 | 2.505 | 1.01 |
| FSW22 | 32.4 (n = 3) | n.d | 0.12 | 52.115 | 12.15 | 2.350 | 0.87 |
| FSWavg | 31.5 (31.5 ± 1.5) | – | 0.12 | 52.745 | 12.32 | 2.428 | 0.94 |
| FSY1 | 28.1 (n = 2) | 31.92 | 3.33 (n = 2) | 49.84 | 14.63 | 2.62 | 1.50 |
| Monohydrocalcite | 33.94 | – | – | 54.19 | 10.17 | 1.71 | - |
Additional compositional details are in Tables S1 and S2.
P—PIXE. Mtot-TG—total metal wt% determined by TG assuming that the product after heating to 1000 °C is (Ca, Mn)O only. Odiff—oxygen determined by the difference of the sum of the measured elements. C, H, N by bulk CHN analysis. n.d.—not determined.