X-Ray Emission Lines
K-level and L-level emission lines in keV
No. Element Ka1 Ka2 Kb1 La1 La2 Lb1 Lb2 Lg1
3 Li 0.0543
4 Be 0.1085
S B 0.1833
6 C 0.277
7 N 0.3924
8 O 0.5249
9 F 0.6768
10 Ne 0.8486 0.8486
11 Na 1.04098 1.04098 1.0711
12 Mg 1.25360 1.25360 1.3022
13 Al 1.48670 1.48627 1.55745
14 Si 1.73998 1.73938 1.83594
15 P 2.0137 2.0127 2.1391
16 S 2.30784 2.30664 2.46404
17 Cl 2.62239 2.62078 2.8156
18 Ar 2.95770 2.95563 3.1905
19 K 3.3138 3.3111 3.5896
20 Ca 3.69168 3.68809 4.0127 0.3413 0.3413 0.3449
21 Sc 4.0906 4.0861 4.4605 0.3954 0.3954 0.3996
22 Ti 4.51084 4.50486 4.93181 0.4522 0.4522 0.4584
23 V 4.95220 4.94464 5.42729 0.5113 0.5113 0.5192
24 Cr 5.41472 5.405509 5.94671 0.5728 0.5728 0.5828
25 Mn 5.89875 5.88765 6.49045 0.6374 0.6374 0.6488
26 Fe 6.40384 6.39084 7.05798 0.7050 0.7050 0.7185
27 Co 6.93032 6.91530 7.64943 0.7762 0.7762 0.7914
28 Ni 7.47815 7.46089 8.26466 0.8515 0.8515 0.8688
29 Cu 8.04778 8.02783 8.90529 0.9297 0.9297 0.9498
30 Zn 8.63886 8.61578 9.5720 1.0117 1.0117 1.0347
31 Ga 9.25174 9.22482 10.2642 1.09792 1.09792 1.1248
32 Ge 9.88642 9.85532 10.9821 1.18800 1.18800 1.2185
33 As 10.54372 10.50799 11.7262 1.2820 1.2820 1.3170
34 Se 11.2224 11.1814 12.4959 1.37910 1.37910 1.41923
35 Br 11.9242 11.8776 13.2914 1.48043 1.48043 1.52590
36 Kr 12.649 12.598 14.112 1.5860 1.5860 1.6366
37 Rb 13.3953 13.3358 14.9613 1.69413 1.69256 1.75217
38 Sr 14.1650 14.0979 15.8357 1.80656 1.80474 1.87172
39 Y 14.9584 14.8829 16.7378 1.92256 1.92047 1.99584
40 Zr 15.7751 15.6909 17.6678 2.04236 2.0399 2.1244 2.2194 2.3027
41 Nb 16.6151 16.5210 18.6225 2.16589 2.1630 2.2574 2.3670 2.4618
42 Mo 17.47934 17.3743 19.6083 2.29316 2.28985 2.39481 2.5183 2.6235
43 Tc 18.3671 18.2508 20.619 2.4240 - 2.5368 - -
44 Ru 19.2792 19.1504 21.6568 2.55855 2.55431 2.68323 2.8360 2.9645
45 Rh 20.2161 20.0737 22.7236 2.69674 2.69205 2.83441 3.0013 3.1438
46 Pd 21.1771 21.0201 23.8187 2.83861 2.83325 2.99022 3.17179 3.3287
47 Ag 22.16292 21.9903 24.9424 2.98431 2.97821 3.15094 3.34781 3.51959
48 Cd 23.1736 22.9841 26.0955 3.13373 3.12691 3.31657 3.52812 3.71686
49 In 24.2097 24.0020 27.2759 3.28694 3.27929 3.48721 3.71381 3.92081
50 Sn 25.2713 25.0440 28.4860 3.44398 3.43542 3.66280 3.90486 4.13112
51 Sb 26.3591 26.1108 29.7256 3.60472 3.59532 3.84357 4.10078 4.34779
52 Te 27.4723 27.2017 30.9957 3.76933 3.7588 4.02958 4.3017 4.5709
53 I 28.6120 28.3172 32.2947 3.93765 3.92604 4.22072 4.5075 4.8009
54 Xe 29.779 29.458 33.624 4.1099 - - - -
55 Cs 30.9728 30.6251 34.9869 4.2865 4.2722 4.6198 4.9359 5.2804
56 Ba 32.1936 31.8171 36.3782 4.46626 4.45090 4.82753 5.1565 5.5311
57 La 33.4418 33.0341 37.8010 4.65097 4.63423 5.0421 5.3835 5.7885
58 Ce 34.7197 34.2789 39.2573 4.8402 4.8230 5.2622 5.6134 6.052
59 Pr 36.0263 35.5502 40.7482 5.0337 5.0135 5.4889 5.850 6.3221
60 Nd 37.3610 36.8474 42.2713 5.2304 5.2077 5.7216 6.0894 6.6021
61 Pm 38.7247 38.1712 43.826 5.4325 5.4078 5.961 6.339 6.892
62 Sm 40.1181 39.5224 45.413 5.6361 5.6090 6.2051 6.586 7.178
63 Eu 41.5422 40.9019 47.0379 5.8457 5.8166 6.4564 6.8432 7.4803
64 Gd 42.9962 42.3089 48.697 6.0572 6.0250 6.7132 7.1028 7.7858
65 Tb 44.4816 43.7441 50.382 6.2728 6.2380 6.978 7.3667 8.102
66 Dy 45.9984 45.2078 52.119 6.4952 6.4577 7.2477 7.6357 8.4188
67 Ho 47.5467 46.6997 53.877 6.7198 6.6795 7.5253 7.911 8.747
68 Er 49.1277 48.2211 55.681 6.9487 6.9050 7.8109 8.1890 9.089
69 Tm 50.7416 49.7726 57.517 7.1799 7.1331 8.101 8.468 9.426
70 Yb 52.3889 51.3540 59.37 7.4156 7.3673 8.4018 8.7S88 9.7801
71 Lu 54.0698 52.9650 61.283 7.6555 7.6049 8.7090 9.0489 10.1434
72 Hf 55.7902 54.6114 63.234 7.8990 7.8446 9.0227 9.3473 10.5158
73 Ta 57.532 56.277 65.223 8.1461 8.0879 9.3431 9.6518 10.8952
74 W 59.31824 57.9817 67.2443 8.3976 8.3352 9.67235 9.9615 11.2859
75 Re 61.1403 59.7179 69.310 8.6525 8.5862 10.0100 10.2752 11.6854
76 Os 63.0005 61.4867 71.413 8.9117 8.8410 10.3553 10.5985 12.0953
77 Ir 64.8956 63.2867 73.5608 9.1751 9.0995 10.7083 10.9203 12.5126
78 Pt 66.832 65.112 75.748 9.4423 9.3618 11.0707 11.2505 12.9420
79 Au 68.8037 66.9895 77.984 9.7133 9.6280 11.4423 11.5847 13.3817
80 Hg 70.819 68.895 80.253 9.9888 9.8976 11.8226 11.9241 13.8301
81 Tl 72.8715 70.8319 82.576 10.2685 10.1728 12.2133 12.2715 14.2915
82 Pb 74.9694 72.8042 84.936 10.5515 10.4495 12.6137 12.6226 14.7644
83 Bi 77.1079 74.8148 87.343 10.8388 10.73091 13.0235 12.9799 15.2477
84 Po 79.290 76.862 89.80 11.1308 11.0158 13.447 13.3404 15.744
8S At 81.52 78.95 92.30 11.4268 11.3048 13.876 - 16.251
86 Rn 83.78 81.07 94.87 11.7270 11.5979 14.316 - 16.770
87 Fr 86.10 83.23 97.47 12.0313 11.8950 14.770 14.45 17.303
88 Ra 88.47 85.43 100.13 12.3397 12.1962 15.2358 14.8414 17.849
89 Ac 90.884 87.67 102.85 12.6520 12.5008 15.713 - 18.408
90 Th 93.350 89.953 105.609 12.9687 12.8096 16.2022 15.6237 18.9825
91 Pa 95.868 92.287 108.427 13.2907 13.1222 16.702 16.024 19.568
92 U 98.439 94.665 111.300 13.6147 13.4388 17.2200 16.4283 20.1671
93 Np - - - 13.9441 13.7597 17.7502 16.8400 20.7848
94 Pu - - - 14.2786 14.0842 18.2937 17.2553 21.4173
95 Am - - - 14.6172 14.4119 18.8520 17.6765 22.0652
Values are from J. A. Bearden, "X-Ray Wavelengths",
Review of Modern Physics, (January 1967) pp. 86-99,
unless otherwise noted.
Copied from Derek Macini's http://xray.uu.se/ .
Similar information is in the X-Ray Data Booklet.