Row  Symbol   k_alpha_1   k_alpha_2      k_beta
       1      CR     2.28988     2.29428     2.08480
       2      FE     1.93631     1.94043     1.75650
       3      CU     1.54059     1.54431     1.39220
       4      MO     0.70932     0.71360     0.63225
       5      AG     0.55942     0.56380     0.49708
       6      CO     1.78919     1.79321     1.62083
       7      NI     1.65805     1.66199     1.50017