Element 87: Fr Atomic mass: 223.0000
Edge keV A
K 101.1370 0.1226
L-I 18.6390 0.6652
L-II 17.9065 0.6924
L-III 15.0312 0.8248
M1 4.6520 2.6652
M2 4.3270 2.8654
M3 3.6630 3.3848
M4 3.1362 3.9533
M5 2.9997 4.1332
N1 1.1530 10.7532
Scattering factors as a function of energy: