Table 8.3 Mass absorption coefficients (in cm2/g)of selected chemical elements for the com- monly used anode materials.41 The mass absorption coefficients of the best B-filter elements (see Sect.11.2.2)for the corresponding anode materials are underlined. Element Cr Fe Cu Mo Anode Ka KB Ka KB Ka KB Ka KB H 0.412 0.405 0.400 0.396 0.391 0.388 0.373 0.370 He 0.498 0.425 0.381 0.335 0.292 0.268 0.202 0.197 C 15.0 11.2 8.99 6.68 4.51 3.33 0.576 0.458 N 24.7 18.6 14.9 11.0 7.44 5.48 0.845 0.645 0 37.8 28.4 22.8 17.0 11.5 8.42 1.22 0.908 e 516 403 332 256 180 137 20.8 14.9 590 444 358 277 200 152 23.4 168 96.5 479 399 309 219 166 26 18.7 Cr 86.8 67.0 492 385 247 185 29.9 21.5 Mn 97.5 75.3 61.6 375 270 207 33.1 23.8 113 86.9 71.0 54.3 302 232 37.6 27.1 o 124 96.0 78.5 60.0 321 248 41.0 29.6 144 112 91.3 69.8 48.8 279 46.9 34.0 Cu 153 118 96.8 74.0 51.8 39.2 49.1 35.7 328 256 210 161 113 85.9 90.6 67.2 >N 358 279 229 176 124 94.0 97.0 72.1 386 300 247 191 139 101 16.3 76.1 416 325 267 205 145 110 17.7 81.0 Mo 442 345 284 219 154 117 18.8 13.8 http://xafs.org/Databases http://www.nist.gov/public_affairs/nandyou.cfmhttp://xafs.org/Databases http://www.nist.gov/public_affairs/nandyou.cfm