Table 2. Material properties of the samples shown in Fig 13 and values of the fitting parameters act and cct from the multi-energy CT measurement.
| Material | Zeff | ρ in g/cm3 | act | cct |
|---|---|---|---|---|
| PP | 5.5 | 0.91 | 36 | -2.274 |
| MgO | 10.8 | 3.58 | 169 | -2.186 |
| Corundum (Al2O3) | 11.3 | 4 | 219 | -2.215 |
| Silicon powder | 14 | 1.2 | 133 | -2.267 |
| NaCl | 15.3 | 2.16 | 357 | -2.2 |
| Calcite (CaCO3) | 15.6 | 2.73 | 439 | -2.179 |
| Aragonite (CaCO3) | 15.6 | 2.95 | 459 | -2.173 |
| CaF2 | 16.9 | 3.18 | 512 | -2.153 |
| (K4Fe(CN)6) | 17.8 | 1.85 | 450 | -2.195 |
| ZnS | 26.1 | 4.1 | 590–1165 | -2.01—1.93 |
Zeff calculated according to [13].