Fig. 6
From: An in silico evaluation of signal and separability properties of k-edge materials in spectral CT

Spider plots showing the separability of each lanthanide with the other lanthanide agents. Plots ordered by atomic number and k-edge: (a) Samarium, (b) Europium, (c) Gadolinium, (d) Terbium, (e) Ytterbium, (f) Lutetium.