Element 57: La Atomic mass: 138.9055
Edge keV A
K 38.9246 0.3185
L-I 6.2663 1.9786
L-II 5.8906 2.1048
L-III 5.4827 2.2614
M1 1.3613 9.1078
M2 1.2044 10.2943
M3 1.1234 11.0365
Scattering factors as a function of energy: