RADIOACTIVATION ANALYSIS 



417 



Table 10-1. Sensitivities of Radioactivation Analysis in ORNL Graphite 



Rk ACTOR" 



Element 



Antimony . . . 



Arsenic 



Barium 



Bismuth 



Bromine 



Bromine 



Cadmium . . . 



Calcium 



Cerium 



Cerium 



Cesium 



Cesium 



Chlorine 



Chromium . . . 



Cobalt 



Copper 



Dysprosium . 



Erbium 



Europium . . . 

 Gadolinium . . 



Gallium 



Germanium . 



Gold 



Hafnium .... 

 Holmium . . . . 



Induim 



Iodine 



Iridium 



Iridium 



Iron 



Lanthanum . . 

 Lutetium .. . . 

 Lutetium . . . . 

 Magnesium . . 

 Manganese . . 



Mercury 



Molybdenum 

 Neodymium . 

 Neodymium . 



Nickel 



Niobium 



Osmium 



Iso- 

 tope 

 pro- 

 duced 



Sbi" 



As^6 



Ba"« 

 Bi2io 



Br82 



Cdi's 



Ca^s 



Cei" 

 Cei" 



Csl34m 



Csi^" 



CI 38 



Cr^i 

 Co^o 

 Cu^" 



Eri" 



Eui*2 



Gdi59 



Ga" 



Ge" 



Au"8 



Hfisi 



Holes 



J128 



Iri92 

 Iri94 



Fe69 



La"« 



Lul76m 



Lui" 

 Mg" 

 Mn^6 



Hg203 



Mo99 

 Nd"' 

 NdH9 



Ni" 



Nb^^" 



Osi" 



Half-life 



2 I 



3 1 



2.8 

 26.8 

 85.0 

 5.02 

 4.58 

 35.87 

 53 

 152 

 33.1 

 33 

 3.15 

 2.3 

 37.29 

 27.8 

 5.27 

 12.8 

 139.2 



9 

 18 

 14 

 82 



2 

 45 



27.3 

 54 



24.99 

 74.37 

 19 

 45. 

 40 



3. 



6.8 

 10 



2.59 

 47.9 



2.85 

 11.3 



2 



2.6 



6.6 

 16.0 



days 



hr" 



min 



days 



hr' 



hr 



hr 



days 



days 



hr 



hr 



yr 



min 



days 



yr 



hr 



min 



hr 



ir 



ir 



ir 



.69 



1 



/ 



mm 



days 



days 



hr 



min 



min 



days 



hr 



days 



hr' 



hr 



days 



min 



hr 



days 



days 



days 



lir' 



hr 



mill 



days 



"Atomic" 



cross 



section, 



barns 



3 . 89 



4.3 



0.36 



0.015 



4.09 



1.11 



0.317 



0.013 



0.35 



0.122 



0.016 



26 

 0.14 

 . 732 



34 

 2.97 

 738 



1.0 

 659 

 0.9 

 1.35 

 0.22 



96 

 3.5 



60 

 139 



7.0 

 285 



80 

 0.0024 

 8 



19.5 



91 

 . 0056 



13 



71 

 0.099 

 0.26 

 0.14 

 . 03 

 1.20 



1 .4 



% 

 satura- 

 tion, 

 1 month 



98.4 



11.9 

 52.3 



2.4 



54.3 

 1.08 



34.2 



25 

 33.2 



95.2 



38 



/o 



Sensitivity, 



Mg of 



element 



0.004 



0.002 



0.05 



2 



0.003 



0.01 



0.05 



3.8 



0.1 



0.2 

 --1 



0.03 



0.03 



0.2 



0.02 



0.007 



. 00003 



0.02 



. 00003 



0.02 



0.007 



0.04 



0.003 



0.02 



. 0004 



0.0001 



0.002 



0.0004 



0.0003 



9 



0.002 



0.001 



0.0003 



0.6 



0.0006 



0.13 



0.1 



0.1 



0.1 



0.03 

 '10 



0.02 



