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preface to fifteenth edition

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7.16 SECTION 7<br />

TABLE 7.8<br />

Mass Absorption Coefficients for K 1 Lines and W L 1 Line<br />

Emitter<br />

wavelength, Å<br />

Ag K 1<br />

0.559<br />

Mo K 1<br />

0.709<br />

Cu K 1<br />

1.541<br />

Ni K 1<br />

1.658<br />

Co K 1<br />

1.789<br />

Fe K 1<br />

1.936<br />

Cr K 1<br />

2.290<br />

W L 1<br />

1.476<br />

Absorber<br />

1 H 0.37 0.38 0.43 0.4 0.4 0.5 0.5 0.4<br />

2He 0.16 0.18 0.37 0.4 0.4 0.5 0.7 0.3<br />

3 Li 0.18 0.22 0.50 0.6 0.7 0.9 1.5 0.4<br />

4 Be 0.22 0.30 1.2 1.5 1.9 2.3 3.7 1.1<br />

5 B 0.30 0.45 2.5 3.1 3.9 4.9 7.9 2.2<br />

6 C 0.420.50 4.6 5.7 7.1 8.8 14.24.1<br />

7 N 0.60 0.83 7.5 9.3 11.5 14.4 23.1 6.7<br />

8 O 0.80 1.45 12.9 15.8 19.5 24.5 39.4 11.4<br />

9 F 1.00 1.9 16.5 20.3 25.2 31.4 50.3 14.6<br />

10 Ne 1.41 2.6 22.8 27.9 34.6 43.1 69.0 20.1<br />

11 Na 1.75 3.5 30.3 37.245.9 57.291.4 26.8<br />

12 Mg 2.27 4.6 39.5 48.4 59.8 74.6 119.1 34.9<br />

13 Al 2.74 5.8 49.6 60.7 75.0 93.4 149.0 43.9<br />

14 Si 3.44 7.3 61.4 75.292.8 115.5 183.8 54.4<br />

15 P 4.20 8.8 74.7 91.4 112.9 140.5 223.6 66.2<br />

16 S 5.15 10.6 89.2109.2134.7 167.4 266.1 79.1<br />

17 Cl 5.86 12.4 104.8 128.2 158.1 196.6 312.4 92.8<br />

18 Ar 6.40 14.5 121.4 148.5 183.0 227.3 360.7 107.6<br />

19 K 8.0 16.7 139.8 171 211 262 415 124<br />

20 Ca 9.7 18.9 158.6 194 239 296 469 141<br />

21 Sc 10.5 21.8 180.5 221 272 337 534 160<br />

22 Ti 11.8 25.3 203 247 304 378 597 180<br />

23 V 13.3 27.7 228 278 342 424 77 202<br />

24 Cr 15.7 31.0 254 311 382 474 88 226<br />

25 Mn 17.4 34.5 282 344 423 63.5 101 250<br />

26 Fe 19.9 38.1 311 380 57.6 71.4 113 276<br />

27 Co 21.8 42.1 341 52.8 64.9 80.6 127 303<br />

K<br />

28 Ni 25.0 46.4 48.3 58.9 72.5 90.0 142 333 K<br />

29 Cu 26.4 50.7 53.7 65.5 80.6 100.0 158 47.6<br />

30 Zn 28.2 55.4 59.5 72.7 89.4 110.9 175 52.8<br />

31 Ga 30.8 60.1 65.9 80.5 99.0 122.8 194 58.5<br />

32 Ge 33.5 65.2 72.3 88.2 108.6 134.7 213 64.1<br />

33 As 36.5 70.5 79.1 96.6 118.9 147 233 70.2<br />

34 Se 38.5 76.0 86.1 105.1 129.4 161 254 76.4<br />

35 Br 42.3 82.5 93.9 114.7 141.2 175 277 83.4<br />

36 Kr 45.0 88.3 101.9 124.5 153.2 190 300 90.5<br />

37 Rb 48 95 84 103 127 158 252 98<br />

38 Sr 52102 90 110 137 170 271 106

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