1、K吸收限 主要K系特征X射线 K1 K2 K1 K2 L吸收限能量 (keV) 主要L系特征X射线能量 (keV) 质量吸收系数 (cm2/g) 原 子 序 数 元素 密度 (标准温度压力下)(g/cm2) 能量(keV) 1 2 能量 (keV) 能量 比 例 能量 比 例 能量 比 例 荧光 产额 K LI LII LIII L1 L2 L1 L2 L1 荧光 产额 K 1 氢 H 8.9810-5 0.0136 2 氦 He 1.7810-4 0.0246 3 锂 Li 0.53 0.055 0.052 4 铍 Be 1.84 0.116 0.110 5 硼 B 2.34 0.192 0
2、.185 6 碳 C 2.25 0.283 1000 0.282 0.001 7 氮 N 1.2510-3 0.339 840 0.392 0.002 8 氧 O 1.4310-3 0.531 720 11000 0.523 0.003 9 氟 F 1.7010-3 0.687 600 8600 0.677 0.005 10 氖 Ne 0.9010-3 0.874 500 6800 0.851 0.008 0.048 0.022 0.022 11 钠 Na 0.97 1.08 420 5400 1.041 1.067 0.013 0.055 0.034 0.034 12 镁 Mg 1.74 1
3、.303 350 4500 1.254 1.297 0.019 0.063 0.050 0.049 13 铝 Al 2.7 1.559 300 3700 1.487 1.486 1.553 0.026 0.087 0.073 0.072 14 硅 Si 2.35 1.838 250 3000 1.740 1.739 1.832 0.036 0.118 0.099 0.098 15 磷 P 2.2 2.142 215 2500 2.015 2.014 2.136 0.047 0.154 0.129 0.128 16 硫 S 2 2.470 185 2100 2.308 2.306 2.464 0
4、.061 0.193 0.264 0.163 17 氯 Cl 3.2110-3 2.826 160 1800 2.622 2.621 2.815 0.078 0.238 0.203 0.202 18 氩 Ar 1.7810-3 3.203 140 1500 2.957 2.955 3.192 0.097 0.287 0.247 0.245 19 钾 K 0.86 3.607 120 1250 3.313 3.310 3.589 19 0.118 0.341 0.297 0.294 20 钙 Ca 1.54 4.038 104 1050 3.691 3.688 52 4.012 19 0.142
5、 0.399 0.352 0.349 0.341 0.344 0.001 21 钪 C 3 4.496 91 900 4.090 4.085 52 4.460 18 0.168 0.462 0.411 0.406 0.395 0.399 0.001 22 钛 Ti 4.5 4.964 80 760 4.510 4.504 51 4.931 17 0.197 0.530 0.460 0.454 0.452 0.458 0.001 23 钒 V 5.9 5.463 72 660 4.952 4.944 51 5.427 17 0.227 0.604 0.519 0.512 0.510 0.519
6、0.002 24 铬 Cr 6.9 5.988 64 580 5.414 5.405 51 5.946 16 0.258 0.679 0.583 0.574 0.571 0.581 0.002 25 锰 Mn 7.42 6.537 57 500 5.898 5.887 51 6.490 16 0.291 0.762 0.65 0.639 0.636 0.647 0.003 盖章有效K吸收限 主要K系特征X射线 K1 K2 K1 K2 L吸收限能量 (keV) 主要L系特征X射线能量 (keV) 质量吸收系数 (cm2/g) 原 子 序 数 元素 密度 (标准温度压力下)(g/cm2) 能量(k
7、eV) 1 2 能量 (keV) 能量 比 例 能量 比 例 能量 比 例 荧光 产额 K LI LII LIII L1 L2 L1 L2 L1 荧光 产额 K 26 铁 Fe 7.9 7.111 51 450 6.403 6.390 50 7.057 16 0.324 0.849 0.721 0.708 0.704 0.717 0.003 27 钴 Co 8.9 7.709 45 390 6.930 6.915 50 7.649 16 0.358 0.929 0.749 0.779 0.775 0.790 0.004 28 镍 Ni 8.8 8.331 42 345 7.477 7.460
8、50 8.264 17 8.328 0.392 1.015 0.871 0.853 0.849 0.866 0.005 29 铜 Cu 8.9 8.980 37 310 8.047 8.027 50 8.904 17 8.976 0.425 1.100 0.953 0.933 0.928 0.948 0.006 30 锌 Zn 7.1 9.660 33.5 275 8.638 8.615 50 9.571 18 9.657 0.458 1.200 1.045 1.022 1.009 1.032 0.007 31 镓 Ga 5.9 10.368 30.5 245 9.251 9.234 50 1
9、0.263 19 10.365 0.4 0.489 1.30 1.134 1.117 1.096 1.122 0.009 32 锗 Ge 5.46 11.103 27.5 220 9.885 9.854 50 10.981 19 11.100 0.6 0.520 1.42 1.248 1.217 1.186 1.216 0.010 33 砷 As 5.7 11.863 25 200 10.543 10.507 50 11.725 20 11.861 0.9 0.549 1.529 1.359 1.323 1.282 1.317 0.012 34 硒 Se 4.5 12.652 23 180 1
10、1.221 11.181 50 12.495 20 12.651 1.3 0.577 1.652 1.473 1.434 1.379 1.419 0.014 35 溴 Br 3.1 13.475 21.4 162 11.923 11.877 50 13.290 21 13.465 1.7 0.604 1.794 1.599 1.552 1.480 1.526 0.016 36 氪 Kr 3.7110-3 14.323 19.6 150 12.648 12.597 50 14.112 21 14.313 2.1 0.629 1.931 1.727 1.675 1.587 1.638 0.019
11、37 铷 Rb 1.5 15.201 18.2 134 13.394 13.335 50 14.960 22 15.184 2.4 0.653 2.067 1.866 1.806 1.694 1.692 1.752 0.021 38 锶 Sr 2.55 16.106 16.9 121 14.164 14.097 50 15.834 22 16.083 2.8 0.675 2.221 2.008 1.941 1.806 1.805 1.872 0.024 39 钇 Y 4.5 17.037 15.5 111 14.957 14.882 50 16.736 22 17.011 3.1 0.695
12、2.369 2.154 2.079 1.922 1.92 1.996 0.027 40 锆 Zr 6.54 17.998 14.4 102 15.774 15.690 50 17.666 23 17.969 3.4 0.715 2.547 2.305 2.22 2.042 2.04 2.124 2.219 2.302 0.031 41 铌 Nb 8.57 18.987 13.4 94 16.614 16.520 50 18.621 23 18.951 3.7 0.732 2.706 2.467 2.374 2.166 2.163 2.257 2.367 2.462 0.035 42 钼 Mo
13、10.2 20.002 12.5 86 17.478 17.373 50 19.607 24 19.964 4 0.749 2.884 2.627 2.523 2.293 2.29 2.395 2.518 2.623 0.039 43 锝 Tc 11.2 21.054 11.7 79 18.410 18.328 50 20.585 24 21.012 4.2 0.765 3.054 2.795 2.677 2.424 2.42 2.528 2.674 2.792 0.043 44 钌 Ru 12.1 22.118 11.0 73 19.278 19.149 50 21.655 24 22.07
14、2 4.4 0.779 3.236 2.966 2.837 2.558 2.554 2.683 2.836 2.964 0.047 45 铑 Rh 12.4 23.224 10.2 67 20.214 20.072 50 22.721 25 23.169 4.6 0.792 3.419 3.145 3.002 2.696 2.692 2.834 3.001 3.114 0.052 46 钯 Pd 12.2 24.347 9.8 62 21.175 21.018 50 23.816 25 24.297 4.8 0.805 3.617 3.329 3.172 2.838 2.833 2.990 3
15、.172 3.328 0.058 47 银 Ag 10.5 25.517 9.2 58 22.162 21.988 51 24.942 25 25.454 5 0.816 3.810 3.528 3.352 2.984 2.978 3.151 3.384 3.519 0.063 48 镉 Cd 8.6 26.712 8.6 53 23.172 22.982 51 26.093 26 26.641 5 0.827 4.019 3.727 3.538 3.133 3.127 3.316 3.528 3.716 0.069 49 铟 In 7.3 27.928 8.2 49 24.207 24.00
16、0 51 27.274 26 27.859 5 0.836 4.237 3.939 3.729 3.287 3.279 3.487 3.713 3.920 0.075 50 锡 Sn 7.3 29.190 7.7 46 25.270 25.042 51 28.483 26 29.106 5 0.845 4.464 4.157 3.928 3.444 3.435 3.662 3.904 4.131 0.081 盖章有效K吸收限 主要K系特征X射线 K1 K2 K1 K2 L吸收限能量 (keV) 主要L系特征X射线能量 (keV) 质量吸收系数 (cm2/g) 原 子 序 数 元素 密度 (标准
17、温度压力下)(g/cm2) 能量(keV) 1 2 能量 (keV) 能量 比 例 能量 比 例 能量 比 例 荧光 产额 K LI LII LIII L1 L2 L1 L2 L1 荧光 产额 K 51 锑 Sb 6.7 30.486 7.2 43 26.357 26.109 51 29.723 27 30.387 5 0.854 4.697 4.381 4.123 3.605 3.595 3.843 4.100 4.347 0.088 52 碲 Te 6.0 31.809 6.8 39.5 27.471 27.200 51 30.993 27 31.698 6 0.862 4.938 4.6
18、13 4.341 3.769 3.758 4.029 4.301 4.570 0.095 53 碘 I 4.9 33.164 6.5 37.0 28.610 28.315 51 32.292 27 33.016 6 0.869 5.190 4.856 4.559 3.937 3.926 4.220 4.507 4.800 0.102 54 氙 Xe 5.8510-3 34.519 6.2 34.5 29.802 29.485 52 33.644 28 34.446 6 0.876 5.452 5.104 4.782 4.111 4.098 4.422 4.720 5.036 0.110 55
19、铯 Cs 1.87 35.959 5.8 32.0 30.970 30.623 52 34.984 28 35.819 6 0.882 5.720 5.358 5.011 4.286 4.272 4.620 4.936 5.280 0.118 56 钡 Ba 3.5 37.410 5.5 30.0 32.191 31.815 52 36.376 28 37.255 6 0.888 5.995 5.623 5.247 4.467 4.451 4.828 5.156 5.531 0.126 57 镧 La 6.1 38.931 5.2 28.5 33.440 33.033 52 37.799 28
20、 38.728 6 0.893 6.283 5.894 5.489 4.651 4.635 5.043 5.384 5.789 0.135 58 铈 Ce 6.8 40.449 5.0 26.5 34.717 34.276 52 39.255 29 40.231 6 0.898 6.561 6.165 5.729 4.840 4.823 5.262 5.613 6.052 0.143 59 镨 Pr 6.8 41.998 4.75 25.0 36.023 35.548 52 40.746 29 41.772 6 0.902 6.846 6.443 5.968 5.034 5.014 5.489
21、 5.850 6.322 0.152 60 铷 Nd 6.9 43.571 4.5 23.5 37.359 36.845 52 42.269 30 43.298 6 0.907 7.144 6.727 6.215 5.230 5.208 5.722 6.090 6.602 0.161 61 钷 Pm 6.78 45.207 4.35 22.5 38.649 38.160 52 43.945 30 44.955 6 0.911 7.448 7.018 6.466 5.431 5.408 5.965 6.336 6.891 0.171 62 钐 Sm 7.5 46.846 4.15 21.0 40
22、.124 39.523 53 45.400 30 46.553 7 0.915 7.754 7.281 6.721 5.636 5.609 6.206 6.587 7.180 0.180 63 铕 Eu 5.26 48.515 4.0 19.5 41.529 40.877 53 47.027 30 48.241 7 0.918 8.069 7.624 6.983 5.846 5.816 6.456 6.842 7.478 0.190 64 钆 Gd 7.95 50.229 3.8 18.5 42.983 42.280 53 48.718 30 49.961 7 0.921 8.393 7.94
23、0 7.252 6.059 6.027 6.714 7.102 7.788 0.200 65 铽 Tb 8.27 51.998 3.7 17.5 44.470 43.737 53 50.391 31 51.737 7 0.924 8.724 8.258 7.519 6.275 6.241 6.979 7.368 8.104 0.210 66 镝 Dy 8.54 53.789 3.55 16.5 45.985 45.193 53 52.178 31 53.491 7 0.927 9.083 8.261 7.850 6.495 6.457 7.249 7.638 8.418 0.220 67 钬
24、Ho 8.8 55.615 3.4 15.7 47.528 46.686 53 53.934 31 55.292 7 0.930 9.411 8.920 8.074 6.27 6.680 7.528 7.912 8.748 0.231 68 铒 Er 9.05 57.483 3.25 14.8 49.099 48.205 53 55.690 32 57.088 7 0.932 9.776 9.263 8.364 6.948 6.904 7.810 8.188 9.089 0.240 69 铥 Tm 9.33 59.335 3.15 14.0 50.730 49.762 54 57.576 32
25、 58.969 7 0.934 10.14 9.628 8.652 7.181 7.135 8.103 8.472 9.424 0.251 70 镱 Yb 6.98 61.303 3.0 13.3 52.360 51.326 54 59.352 32 60.959 7 0.937 10.49 9.977 8.943 7.414 7.367 8.401 8.758 9.779 0.262 71 镥 Lu 9.84 63.304 2.9 12.7 54.063 52.959 54 61.282 32 62.946 8 0.939 10.87 10.35 9.241 7.654 7.604 8.70
26、8 9.048 10.142 0.272 72 铪 Hf 13.3 65.313 2.85 12.1 55.757 54.576 54 63.209 33 64.936 8 0.941 11.26 10.73 9.556 7.898 7.843 9.021 9.346 10.514 0.283 73 钽 Ta 16.6 67.400 2.75 11.8 57.524 56.270 54 65.210 33 66.999 8 0.942 11.68 11.13 9.876 8.145 8.087 9.341 9.649 10.892 0.293 74 钨 W 19.3 69.503 2.7 11
27、.3 59.310 57.973 54 67.233 33 69.090 8 0.944 12.09 11.54 10.2 8.396 8.333 9.670 90959 11.283 0.304 75 铼 Re 21 71.662 2.6 10.5 61.131 59.707 54 69.298 34 71.220 8 0.945 12.52 11.96 10.53 8.651 8.584 10.008 10.273 11.684 0.314 盖章有效K吸收限 主要K系特征X射线 K1 K2 K1 K2 L吸收限能量 (keV) 主要L系特征X射线能量 (keV) 质量吸收系数 (cm2/g
28、) 原 子 序 数 元素 密度 (标准温度压力下)(g/cm2) 能量(keV) 1 2 能量 (keV) 能量 比 例 能量 比 例 能量 比 例 荧光 产额 K LI LII LIII L1 L2 L1 L2 L1 荧光 产额 K 76 锇 Os 22.5 73.860 2.5 10.2 62.991 61.477 54 71.404 34 73.393 9 0.947 12.97 12.38 10.87 8.910 8.840 10.354 10.596 12.094 0.325 77 铱 Ir 22.4 76.097 2.4 9.7 64.886 63.278 55 73.549 34
29、 75.605 9 0.948 13.41 12.82 11.21 9.173 9.098 10.706 10.918 12.509 0.335 78 铂 Pt 21.4 78.379 2.35 9.3 66.820 65.111 55 75.236 34 77.866 9 0.949 13.87 13.27 11.56 9.441 9.360 11.069 11.249 12.939 0.345 79 金 Au 19.3 80.713 2.3 8.8 68.794 66.980 55 77.968 35 80.165 9 0.951 14.35 13.73 11.92 9.711 9.625
30、 11.439 11.582 13.379 0.356 80 汞 Hg 13.6 83.106 2.2 8.4 70.821 68.894 55 80.258 35 82.526 10 0.952 14.84 14.21 12.29 9.987 9.896 11.823 11.923 13.828 0.366 81 铊 Tl 11.9 85.517 2.15 8.0 72.860 70.820 55 82.558 35 84.904 10 0.953 15.35 14.7 12.66 10.266 10.170 12.210 12.268 14.288 0.376 82 铅 Pb 11.3 8
31、8.001 2.1 7.7 74.957 72.794 55 84.922 35 87.343 10 0.954 15.87 15.21 13.04 10.549 10.448 12.611 12.620 14.762 0.386 83 铋 Bi 9.8 90.521 2.04 7.3 77.097 74.805 55 87.335 36 89.833 10 0.954 16.39 15.72 13.42 10.836 10.729 13.021 12.977 15.244 0.396 84 Po 93.112 2.0 7.0 79.296 76.868 56 89.809 36 92.386
32、 11 0.955 16.94 16.24 13.82 11.128 11.014 13.441 13.338 15.740 0.405 85 砹 At 95.740 1.93 6.6 81.525 78.956 56 92.319 36 94.976 11 0.956 17.49 16.78 14.22 11.424 11.304 13.873 13.705 16.248 0.415 86 氡 Rn 9.7310-3 98.418 1.9 6.3 83.800 81.080 56 94.877 37 97.616 11 0.957 18.06 17.39 14.62 11.724 11.59
33、7 14.316 14.077 16.768 0.425 87 钫 Fr 101.147 1.83 6.0 86.119 83.243 56 97.483 37 100.305 12 0.957 18.64 17.9 15.03 12.029 11.894 14.770 14.459 17.301 0.434 88 镭 Ra 103.927 1.76 5.75 88.485 85.446 56 100.14 37 103.048 12 0.958 19.23 18.48 15.44 12.338 12.194 15.233 14.839 17.845 0.443 89 锕 Ac 106.759
34、 1.72 5.5 90.894 87.681 56 102.85 37 105.838 13 0.958 19.84 19.08 15.87 12.650 12.499 15.712 15.227 18.405 0.452 90 钍 Th 109.630 1.67 5.2 93.334 89.942 56 105.59 38 108.671 13 0.959 20.46 19.69 16.3 12.966 12.808 16.200 15.620 18.977 0.461 91 镤 Pa 11.5 112.581 1.64 4.95 95.851 92.271 56 108.41 38 11
35、1.575 13 0.959 21.1 20.31 16.63 13.291 13.120 16.700 16.022 19.559 0.469 92 铀 U 115.591 1.62 4.7 98.428 94.648 56 111.29 38 114.549 14 0.960 21.75 30.94 17.16 13.613 13.438 17.218 16.425 20.163 0.478 93 镎 Np 19.0 118.619 1.57 4.55 101.005 97.023 57 114.18 39 117.533 14 0.960 22.42 21.6 17.61 13.945
36、13.758 17.740 16.837 20.774 0.486 94 钚 Pu 19.7 121.720 1.53 4.35 103.653 99.457 57 117.15 39 120.592 15 0.960 23.1 22.26 18.07 14.279 14.082 18.278 17.254 21.401 0.494 95 镅 Am 124.876 1.50 4.15 106.351 101.932 57 120.16 39 123.706 15 0.960 23.79 22.94 18.53 14.618 14.411 18.829 17.677 22.042 0.502 9
37、6 锔 Cm 128.088 1.47 4.0 109.098 104.448 57 123.24 39 126.875 15 0.961 24.5 23.64 18.99 14.961 14.473 19.393 18.106 22.699 0.510 97 锫 Bk 131.357 111.896 107.023 57 126.36 40 130.101 16 0.961 25.23 24.35 19.46 15.309 15.079 19.971 18.540 23.370 0.517 98 锎 Cf 134.683 114.745 109.603 57 129.54 40 133.38
38、3 16 0.961 25.97 25.08 19.94 15.661 15.420 20.562 18.980 24.056 0.524 99 锿 Es 138.067 117.646 112.244 57 132.78 40 136.724 17 0.961 26.73 25.82 20.42 16.018 15.764 21.166 19.426 24.758 0.531 100 镄 Fm 141.510 120.598 114.926 58 136.08 40 140.122 17 0.961 27.5 26.58 20.91 16.379 16.113 21.785 19.879 25.475 0.538 盖章有效