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preface to fifteenth edition

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SPECTROSCOPY 7.91<br />

TABLE 7.41<br />

Nuclear Properties of the Elements (Continued)<br />

Nuclide<br />

Natural<br />

abundance,<br />

% Spin I<br />

Sensitivityat<br />

constant field<br />

relative <strong>to</strong><br />

1<br />

H<br />

NMR<br />

frequency<br />

for a 1-kG<br />

field, MHz<br />

Magnetic<br />

moment<br />

/ N ,<br />

J·T 1<br />

Electric<br />

quadrupole<br />

moment Q,<br />

10 28 m 2<br />

139<br />

La 99.9098 7<br />

⁄2 0.060 58 0.606 10 2.783 045 0.20<br />

137<br />

Ce * 3<br />

⁄2 0.006 41 0.462 0.91<br />

139<br />

Ce *<br />

3⁄2 0.006 41 0.462 0.91<br />

141<br />

Ce * 7<br />

⁄2 0.003 64 0.237 1.09<br />

141<br />

Pr 100 5<br />

⁄2 0.334 83 1.303 55 4.275 4 0.059<br />

143<br />

Nd 12.18 7<br />

⁄2 0.003 39 0.231 9 1.065 0.63<br />

145<br />

Nd 8.30 7<br />

⁄2 0.000 79 0.142 9 0.656 0.33<br />

143<br />

Pm *<br />

5⁄2 0.235 10 1.16 3.8<br />

147<br />

Pm *<br />

7⁄2 0.049 40 0.57 2.6 0.70<br />

147<br />

Sm 15.0 7<br />

⁄2 0.001 52 0.177 47 0.814 9 0.26<br />

149<br />

Sm 13.8<br />

7⁄2 0.000 85 0.146 31 0.671 8 0.094<br />

151<br />

Eu 47.8 5<br />

⁄2 0.179 29 1.058 54 3.471 8 0.903<br />

153<br />

Eu 52.2 5<br />

⁄2 0.015 44 0.467 44 1.533 1 2.41<br />

155<br />

Gd 14.80 3<br />

⁄2 0.000 15 0.131 7 0.259 1 1.27<br />

157<br />

Gd 15.65 3<br />

⁄2 0.000 33 0.1727 0.339 9 1.35<br />

159<br />

Tb 100 3<br />

⁄2 0.069 45 1.023 2.014 1.432<br />

161<br />

Dy18.9 5<br />

⁄2 0.000 48 1.465 3 0.480 6 2.47<br />

163<br />

Dy24.9 5<br />

⁄2 0.001 30 0.205 07 0.672 6 2.65<br />

165<br />

Ho 100 7<br />

⁄2 0.204 23 0.908 81 4.173 3.58<br />

167<br />

Er 22.95 7<br />

⁄2 0.000 507 0.122 81 0.563 9 3.57<br />

169<br />

Tm 100 1<br />

⁄2 0.000 566 3.531 0.231 6<br />

171<br />

Yb 14.3<br />

1⁄2 0.005 52 0.752 59 0.493 67<br />

173<br />

Yb 16.12 5<br />

⁄2 0.001 35 0.207 301 0.679 89 2.80<br />

175<br />

Lu 97.41 7<br />

⁄2 0.031 28 0.486 24 2.232 7 3.49<br />

176<br />

Lu * 2.59 7 0.039 75 0.345 1 3.169 4.97<br />

177<br />

Hf 18.606 7<br />

⁄2 0.001 40 0.172 81 0.793 5 3.36<br />

179<br />

Hf 13.629<br />

9⁄2 0.000 55 0.108 56 0.640 9 3.79<br />

180<br />

Ta 0.012 9 0.102 51 0.404 4.77<br />

181<br />

Ta 99.988<br />

7⁄2 0.037 44 0.516 25 2.3705 3.17<br />

183<br />

W 14.3<br />

1⁄2 0.000 08 0.179 56 0.117 785<br />

185<br />

Re 37.40 5<br />

⁄2 0.138 70 0.971 7 3.1871 2.18<br />

187<br />

Re * 62.60<br />

5⁄2 0.143 00 0.981 7 3.219 7 2.07<br />

187<br />

Os 1.6 1<br />

⁄2 0.000 01 0.098 56 0.064 652<br />

189<br />

Os 16.1 3<br />

⁄2 0.002 44 0.335 35 0.659 933 0.856<br />

191<br />

Ir 37.3 3<br />

⁄2 0.000 03 0.076 6 0.150 7 0.816<br />

193<br />

Ir 62.7 3<br />

⁄2 0.000 04 0.0832 0.163 7 0.751<br />

195<br />

Pt 33.8 1<br />

⁄2 0.010 39 0.929 20 0.609 52<br />

197<br />

Au 100 3<br />

⁄2 0.000 03 0.074 06 0.145 746 0.547<br />

199<br />

Hg 16.87 1<br />

⁄2 0.005 94 0.771 21 0.505 885<br />

201<br />

Hg 13.18 3<br />

⁄2 0.001 49 0.284 68 0.560 226 0.386<br />

203<br />

Tl 29.524 1<br />

⁄2 0.195 981 2.473 10 1.622 258<br />

205<br />

Tl 70.476 1<br />

⁄2 0.201 82 2.497 42 1.638 215<br />

207<br />

Pb 22.1 1<br />

⁄2 0.009 55 0.903 38 0.592 58<br />

209<br />

Bi 100 9<br />

⁄2 0.144 33 0.696 28 4.110 6 0.50<br />

229<br />

Th * 5<br />

⁄2 0.000 42 0.140 0.46 4.30<br />

231<br />

Pa *<br />

3⁄2 0.069 03 1.02 2.01 1.72<br />

235<br />

U * 0.7200 7<br />

⁄2 0.000 15 0.083 0.38 4.936<br />

237<br />

Np * 5<br />

⁄2 0.132 64 0.957 3.14 3.886<br />

239<br />

Pu * 1<br />

⁄2 0.000 38 0.309 0.203<br />

243<br />

Am * 5<br />

⁄2 0.017 88 0.491 1.61 4.21

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