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K-edge energies for current and experimental computed tomography contrast agents. Data from Deslattes et al.260
| Element | K-edge (keV) |
|---|---|
| Iodine | 33.2 |
| Barium | 37.4 |
| Cerium | 40.4 |
| Gadolinium | 50.2 |
| Ytterbium | 61.3 |
| Hafnium | 65.4 |
| Tantalum | 67.4 |
| Tungsten | 69.5 |
| Osmium | 73.9 |
| Platinum | 78.4 |
| Gold | 80.7 |
| Bismuth | 90.5 |
