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Rights & Permissions Free Resources Display this book on your site! Related Titles Nuclear Wastes:Technologies for Separations and Transmutation Energy in Transition, 1985-2010: Final Report of the Committee on Nuclear and Alternative Energy Systems Other Related Titles Radiochemistry in Nuclear Power Reactors (1996) Commission on Physical Sciences, Mathematics, and Applications (CPSMA) Citation Manager Export the bibliographic data for this book in your chosen format Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Citation Manager . "A. NUCLEAR DATA." Radiochemistry in Nuclear Power Reactors. Washington, DC: The National Academies Press, 1996. Please select a format: Page 189   E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy. Appendix A NUCLEAR DATA Page No.     Table A-1.   Summary of Major Nuclides and Radiation Properties   A-3     Table A-2.   Major Gamma-Ray Energies and Intensities   A-5     Table A-3.   Cumulative Yields of Major Fission Products in Thermal Neutron Fission of U-235 and Pu-239   A-15     Table A-4.   Major Water and Impurity Activation Products in Reactor Coolant   A-17     Table A-5.   Major Activated Corrosion Products in Light Water Reactors   A-18     Table A-6.   Recommended Gamma-Ray Standards   A-19     Figure A-1.   Chart of the Nuclides (Partial)   A-21 Page 189 FRONT MATTER (R1-R4) FORWARD (R5-R6) PREFACE (R7-R8) TABLE OF CONTENTS (R9-R20) 1. BRIEF DESCRIPTION OF NUCLEAR POWER REACTOR SYSTEMS AND PRIMARY COOLANT CHEMISTRY (1-10) 2. RADIOACTIVITY PRODUCTIONS IN NUCLEAR REACTORS (11-30) 3. FISSION PRODUCTS (31-68) 4. ACTIVATED CORROSION PRODUCTS (69-112) 5. WATER AND IMPURITY ACTIVATION PRODUCTS (113-124) 6. RADIATION CHEMISTRY IN REACTOR COOLANT (125-142) 7. ASSAY OF RADIACTIVE WASTE (143-158) 8. SPECIAL RADIOCHEMICAL STUDIES (159-188) A. NUCLEAR DATA (189-216) B. SAMPLING PRACTICES AND SAMPLE PREPARATION FOR RADIOCHEMICAL ANALYSES (217-228) C. GAMMA-RAY SPECROMETRIC ANALYSIS (229-244) D. COUNTING GEOMETRIC CORRECTIONS IN GAMMA-RADIATION MEASUREMENTS (245-250) E. SELECTED RADIOCHEMICAL PROCEEDURES (251-277)

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Radiochemistry in Nuclear Power Reactors Appendix A NUCLEAR DATA Page No.     Table A-1.   Summary of Major Nuclides and Radiation Properties   A-3     Table A-2.   Major Gamma-Ray Energies and Intensities   A-5     Table A-3.   Cumulative Yields of Major Fission Products in Thermal Neutron Fission of U-235 and Pu-239   A-15     Table A-4.   Major Water and Impurity Activation Products in Reactor Coolant   A-17     Table A-5.   Major Activated Corrosion Products in Light Water Reactors   A-18     Table A-6.   Recommended Gamma-Ray Standards   A-19     Figure A-1.   Chart of the Nuclides (Partial)   A-21

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Radiochemistry in Nuclear Power Reactors References for Nuclear Data (1) C.M.Lederer and V.S.Shirley, “Table of Isotopes”, 7th Edition, John Wiley and Sons, Inc., New York (1978). (2) D.C.Kocher, “A Radionuclide Decay Data Base—Index and Summary Table”, NUREG/CR-1413 (1980). (3) David C.Kocher “Radioactive Decay Data Tables”, DOE/TIC-11026 (1981). (4) L.M.Unger and D.K.Trubey “Specific Gamma-Ray Dose Constants for Nuclides Important to Dosimetry and Radiological Assessment”, ORNL/RSIC-45 (September 1981). (5) B.F.Rider, “Compilation of Fission Product Yields, Vallecitos Nuclear Center”, General Electric Company, NEDO-12154–3(C) (October 31, 1981). (6) T.R.England, et al. “Summary of ENDF/B-V Data for Fission Products and Actinides,” EPRI NP-3787 (December 1984). (7) F.William Walker, J.R.Parrington and F.Feiner, Chart of the Nuclides 14th Edition, General Electric Company (1989). (8) A.Lorenz, “Nuclear Decay Data for Radionuclides Used a Calibration Standards.” INDC(NDS)-145/GEI, International Nuclear Data Committee, IAEA, April 1983.

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Radiochemistry in Nuclear Power Reactors Table A-1. SUMMARY OF MAJOR NUCLIDES AND RADIATION PROPERTIES Nuclide Half-life Major Gamma-Rays and Intensities R/hr/Ci at 1 m Beta E MeV Gamma E MeV keV % keV % Ag-110 m 249.80 d 657.8 94.6 884.7 72.7 1.654 0.068 2.734 Ar-41 1.82 h 1293.6 99.2 — — 0.696 0.464 1.284 As-76 26.30 h 559.1 45.0 657.0 6.1 0.274 1.065 0.430 Ba-139 83.76 m 165.9 22.0 — — 0.029 1.654 0.306 Ba-140 12.79 d 537.2 24.4 162.6 6.7 0.165 0.304 0.191 Ba-141 18.27 m 190.2 49.0 304.2 26.6 0.577 0.858 0.891 Ba-142 10.70 m 255.1 18.0 1204.1 14.0 0.570 0.470 0.905 Br-84 31.80 m 881.5 42.0 1897.3 14.9 0.884 1.249 1.787 Cl-38 37.20 m 2167.5 44.0 1642.4 32.5 0.718 1.529 1.488 Ce-141 32.50 d 145.4 48.2 — — 0.073 0.170 0.077 Ce-144 284.60 d 133.5 11.1 80.1 1.6 0.023 0.093 0.019 Co-57 271.80 d 122.1 85.9 136.5 10.7 0.151 0.018 0.125 CO-58 70.88 d 810.8 99.4 511.0 30.0 0.614 0.034 0.976 CO-60 5.27 y 1173.2 100.0 1332.5 100.0 1.369 0.096 2.506 Cr-51 27.70 d 320.1 10.1 — — 0.023 0.004 0.033 Cs-134 2.06 y 604.7 97.6 795.9 85.4 0.070 0.162 1.555 Cs-136 13.16 d 818.5 99.7 1048.1 79.8 1.343 0.133 2.168 Cs-Ba137 30.17 y 661.7 85.2 — — 0.381 0.171 0.598 Cs-138 32.20 m 1435.9 76.3 462.8 30.7 1.265 1.223 2.361 Cs-139 9.30 m 1283.2 7.0 627.2 1.6 0.158 1.654 0.306 Cu-64 12.70 h 511.0 35.7 1345.9 0.49 0.132 0.123 0.191 F-18 1.83 h 511.0 193.5 — — 0.696 0.242 0.989 Fe-55 2.73 y — — — — — 0.004 — Fe-59 44.51 d 1099.2 56.5 1291.6 43.2 0.662 0.118 1.189 Hf-181 42.40 d 482.0 82.8 133.0 41.7 0.392 0.194 0.544 I-131 8.04 d 364.5 81.2 637.0 7.3 0.283 0.190 0.381 I-132 2.28 h 667.7 98.7 772.6 76.2 1.421 0.490 2.291 I-133 20.80 h 529.9 86.3 875.3 4.5 0.411 0.410 0.607 I-134 52.60 m 847.0 95.4 884.1 65.3 1.573 0.608 2.625 I-135 6.57 h 1260.4 28.9 1131.5 22.5 0.862 0.369 1.575 I-136 1.39 m 1313.0 69.4 1321.1 25.8 1.265 2.022 2.533 Kr-85 10.73 y 514.0 0.44 — — 0.002 0.251 0.002 Kr-85 m 4.48 h 151.2 75.1 304.9 13.7 0.160 0.255 0.158 Kr-87 1.37 h 402.6 49.6 2554.8 13.2 0.433 1.324 0.793 Kr-88 2.84 h 196.3 26.0 834.8 13.0 1.025 0.365 1.955 Kr-89 3.15 m 220.9 20.0 585.8 16.6 0.973 1.362 1.834 Kr-90 32.30 s 1118.7 37.0 121.8 32.0 0.766 1.315 1.272 La-140 40.27 h 1596.5 95.4 487.0 45.5 1.273 2.022 0.232 La-141 3.90 h 1354.5 2.6 — — 0.022 0.948 0.043 La-142 1.54 h 641.2 52.5 2397.7 16.3 1.354 0.847 2.719 Mn-54 312.20 d 934.8 100.0 — — 0.511 0.004 0.836 Mn-56 2.58 h 846.8 98.9 1810.7 27.2 0.925 0.829 1.692 Mo-99 2.79 d 739.6 12.1 181.1 6.2 0.113 0.396 0.155 N-13 9.97 m 511.0 199.6 — — 0.718 0.491 1.020 Na-24 14.96 h 1368.5 100.0 2754.1 99.9 1.939 0.554 4.121 Nb-95 34.97 d 765.8 99.8 — — 0.481 0.044 0.764 Nb-97 1.23 h 657.9 98.1 — — 0.437 0.467 0.665

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Radiochemistry in Nuclear Power Reactors Nuclide Half-life Major Gamma-Rays and Intensities R/hr/Ci at 1 m Beta E MeV Gamma E MeV keV % keV % Nd-147 10.98 d 91.1 27.9 531.0 13.1 0.139 0.268 0.141 Ni-63 100.00 y — — — — — 0.017 — Ni-65 2.52 h 1481.8 23.5 1115.5 14.8 0.297 0.632 0.549 Np-239 2.36 d 277.6 14.1 228.2 10.7 0.514 0.243 0.172 Rb-88 17.70 m 1836.0 21.4 898.0 14.0 0.322 2.071 0.636 Rb-89 15.40 m 1031.9 58.0 1248.1 43.0 1.095 1.020 2.068 Rb-90 2.60 m 831.7 33.3 1060.7 7.8 0.944 1.960 2.164 Rb-90 m 4.30 m 831.7 93.4 1375.4 17.4 1.639 1.388 3.273 Rh-105 35.40 h 318.9 19.2 306.1 15.1 0.059 0.153 0.078 Ru-103 39.27 d 497.1 90.9 610.3 5.6 0.332 0.070 0.484 Ru-105 4.44 h 724.5 47.3 469.0 17.5 0.733 0.404 0.784 Ru-Rh106 1.02 y 511.9 20.4 621.8 10.7 0.138 1.412 0.207 Sb-122 2.70 d 563.9 69.3 692.8 3.7 0.304 0.563 0.444 Sb-124 60.20 d 602.7 97.8 1691.0 49.0 1.066 0.380 1.869 Sb-125 2.76 y 427.9 29.4 600.6 17.8 0.381 0.098 0.433 Sn-In113 115.10 d 391.7 64.9 255.1 1.9 0.243 0.131 0.260 Sr-89 50.52 d — — — — — 0.585 — Sr-90 29.10 y — — — — — 0.196 — Sr-91 9.50 h 1024.3 33.4 749.8 23.0 0.414 0.653 0.687 Sr-92 2.71 h 1383.9 90.0 953.3 3.6 0.722 0.200 1.339 Sr-93 7.40 m 590.3 67.2 875.7 24.2 1.358 0.920 2.237 Ta-182 114.43 d 1121.3 34.9 1221.4 27.1 0.773 0.200 1.297 Tc-99 m 6.01 h 140.5 89.1 — — 0.123 0.016 0.127 Tc-101 14.20 m 306.8 88.0 545.1 6.0 0.256 0.474 0.343 Tc-104 18.00 m 358.0 84.4 530.0 14.7 1.051 1.193 1.466 Te-129 m 33.60 d 695.7 3.1 729.6 0.7 0.068 0.269 0.039 Te-131 m 1.35 d 773.7 38.2 852.2 20.7 0.940 0.190 1.426 Te-132 3.26 d 228.2 88.2 49.7 13.1 0.279 0.098 0.231 W-187 23.90 h 685.8 26.4 479.5 21.1 0.329 0.290 0.476 Xe-133 5.24 d 81.0 38.3 — — 0.103 0.136 0.045 Xe-133 m 2.19 d 233.2 10.3 — — 0.112 0.190 0.042 Xe-135 9.10 h 249.8 90.2 608.2 2.9 0.189 0.318 0.248 Xe-135 m 15.30 m 526.7 80.5 — — 0.320 0.096 0.431 Xe-137 3.82 m 455.5 31.0 — — 0.124 1.769 0.188 Xe-138 14.10 m 258.3 31.5 434.5 20.3 0.622 0.632 1.126 Xe-139 39.70 s 219.0 45.0 297.0 18.0 0.286 1.787 0.928 Y-90 2.67 d — — — — — 0.931 — Y-91 58.50 d 1204.9 0.3 — — 0.002 0.602 0.004 Y-92 3.54 h 934.5 13.9 1405.4 4.8 0.147 1.445 0.252 Y-93 10.20 h 266.9 6.8 947.1 2.0 0.052 1.173 0.089 Zn-65 243.80 d 1115.5 50.7 511.0 2.8 0.330 0.007 0.584 Zn-69 m 13.76 h 438.6 94.8 — — 0.295 0.022 0.416 Zr-95 64.02 d 756.7 54.5 724.2 44.1 0.047 0.116 0.735 Zr-97 16.80 h 743.4 94.8 507.6 5.3 0.108 0.697 0.181

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Radiochemistry in Nuclear Power Reactors Table A-2. MAJOR GAMMA-RAY ENERGIES AND INTENSITIES Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 49.72 Te132 3.26 h 13.1 228.2 88.2 49.7 13.1 — — 57.36 Ce143 1.38 d 11.8 293.3 42.0 664.6 5.2 722.0 5.1 66.91 Cs136 13.16 d 12.5 818.5 99.7 1048.1 79.6 340.6 48.5 72.06 W-187 23.90 h 11.9 685.8 26.4 479.5 21.1 134.2 9.5 77.60 Ba142 10.70 m 9.6 255.2 18.0 1204.1 14.0 894.9 11.0 80.10 Ce144 284.60 d 1.6 133.5 11.1 80.1 1.6 — — 80.18 I-131 8.04 d 2.6 364.5 81.2 637.0 7.3 284.3 6.1 81.00 Xe133 5.24 d 38.3 81.0 38.3 — — — — 86.29 Cs136 13.16 d 6.3 818.5 99.7 1048.1 79.6 340.6 48.5 91.11 Nd147 10.98 d 27.9 91.1 27.9 531.0 13.1 319.4 2.0 93.00 Rb-91 58.50 s 38.0 93.0 38.0 2564.0 20.0 346.0 12.0 99.55 Np239 2.36 d 14.7 103.8 23.7 277.6 14.1 106.1 22.7 102.1 Te131 m 1.35 d 7.9 773.7 38.2 852.2 20.7 793.7 13.9 103.8 Np239 2.36 d 23.7 103.8 23.7 277.6 14.1 106.1 22.7 106.1 Np239 2.36 d 22.7 103.8 23.7 277.6 14.1 106.1 22.7 112.0 O-19 26.90 s 2.7 197.0 97.0 1356.0 59.0 112.0 2.7 117.0 Np239 2.36 d 22.7 103.8 23.7 277.6 14.1 106.1 22.7 120.9 Kr-90 32.30 s 2.7 1118.7 37.0 121.8 32.0 539.5 29.0 121.8 Kr-90 32.30 s 32.0 1118.7 37.0 121.8 32.0 539.5 29.0 122.1 Co-57 271.80 d 85.9 122.1 85.9 136.5 10.6 — — 127.2 Tc101 14.20 m 2.8 306.8 88.0 545.1 6.0 127.4 2.8 133.0 Hf181 42.40 d 41.7 482.0 82.8 133.0 41.7 345.9 17.2 133.5 Ce144 284.60 d 11.1 133.5 11.1 80.1 1.6 — — 134.2 W-187 23.90 h 9.5 685.8 26.4 479.5 21.1 134.2 9.5 135.4 I-134 52.60 m 3.8 847.0 95.4 884.1 65.3 1072.6 15.3 136.3 Hf181 42.40 d 5.2 482.0 92.8 133.0 41.7 345.9 17.2 136.5 Co-57 271.80 d 10.6 122.1 85.9 136.5 10.6 — — 138.1 Cs138 32.20 m 1.5 1435.9 76.3 462.8 30.7 1009.8 29.8 140.5 No-99 2.79 d 3.8 739.6 12.8 181.1 6.2 778.0 4.5 140.5 Tc-99 m 6.01 h 89.1 140.5 99.1 — — — — 142.7 Fe-59 44.63 d 1.0 1099.2 56.5 1291.6 43.2 192.3 3.1 145.4 Ce141 32.50 d 48.2 145.4 48.2 — — — — 151.2 Kr-85 m 4.48 h 75.1 151.2 75.1 304.9 13.7 — — 153.2 Cs136 13.16 d 7.5 818.5 99.7 1048.1 79.8 340.6 48.5 153.8 Xe138 14.10 m 6.0 258.3 31.5 434.5 20.3 1768.3 16.7 162.6 Ba140 12.75 d 6.7 537.3 24.4 162.6 6.7 304.8 4.5 164.0 Cs136 13.16 d 4.6 818.5 99.7 1048.1 79.8 340.6 48.5 165.9 Ba139 83.76 m 22.0 165.9 22.0 — — — — 166.0 Kr-88 2.84 h 3.1 196.3 26.0 834.8 13.0 1529.8 10.9 168.7 Sr-93 7.40 m 18.2 590.3 67.2 875.7 24.2 888.1 21.9 175.0 Xe139 39.70 s 16.0 219.0 45.0 297.0 18.0 175.0 16.0 176.3 Sb125 2.76 y 6.9 427.9 29.4 600.6 17.8 635.9 11.3 176.6 CS136 13.16 d 13.6 818.5 99.7 1048.1 79.8 340.6 48.5 181.1 Mo-99 2.79 d 6.2 739.6 12.1 181.1 6.2 778.0 4.5 194.1 Tc101 14.20 m 1.6 306.9 88.0 545.1 6.0 127.4 2.8 190.2 Ba141 18.30 m 49.0 190.2 49.0 304.2 26.6 277.0 24.6 192.3 Fe-59 44.51 d 3.1 1099.2 56.5 1291.6 43.2 192.3 3.1

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 196.3 Kr-88 2.84 h 26.0 196.3 26.0 934.8 13.0 1529.8 10.9 197.0 O-19 26.90 s 97.0 197.0 97.0 1356.0 59.0 112.0 2.7 200.6 Te131 m 1.35 d 7.6 773.7 38.2 852.2 20.7 793.7 13.9 219.0 Xe139 39.70 s 45.0 219.0 45.0 297.0 18.0 175.0 16.0 220.5 I-135 6.57 h 1.8 1260.4 28.9 1131.5 22.5 1678.0 9.5 220.9 Kr-89 3.15 m 20.0 220.9 20.0 585.8 16.6 904.3 7.2 227.8 Cs138 32.20 m 1.5 1435.9 76.3 462.8 30.7 1009.8 29.8 228.2 Te132 3.26 d 88.0 228.2 88.2 49.7 13.1 — — 228.2 Np239 2.36 d 10.7 103.8 23.7 277.6 14.1 106.1 22.7 231.5 Ba142 10.70 m 10.1 255.1 18.0 1204.1 14.0 894.9 11.0 233.2 Xe133 m 2.19 d 10.3 233.2 10.3 — — — — 234.4 Kr-90 32.30 s 2.5 1118.7 37.0 121.8 32.0 539.5 29.0 240.9 Te131 m 1.35 d 7.6 773.7 38.2 852.2 20.7 793.7 13.9 241.5 Sr-92 2.71 h 3.3 1383.9 90.0 953.3 3.6 430.6 3.3 242.2 Kr-90 32.30 s 9.6 1118.7 37.0 121.8 32.0 539.5 29.0 242.6 Xe138 14.10 m 3.5 258.3 31.5 434.5 20.3 1768.3 16.7 249.8 Xe135 9.10 h 90.2 249.8 90.2 608.2 2.9 — — 254.2 Zr-97 16.90 h 1.3 743.4 92.8 507.6 5.3 602.5 1.4 255.1 Ba142 10.70 m 18.0 255.1 18.0 1204.1 14.0 894.9 11.0 255.1 Sn113 115.10 d 1.9 391.7 64.9 255.1 1.9 — — 258.3 Xe138 14.10 m 31.5 258.3 31.5 434.5 20.3 1768.3 16.7 260.1 Sr-93 7.30 m 7.3 590.3 67.2 875.7 24.2 888.1 21.8 262.9 Ru105 4.44 h 7.2 724.5 47.3 469.0 17.5 676.4 16.7 266.9 Y-93 10.20 h 6.8 266.9 6.8 947.1 2.0 1917.0 1.4 272.5 Rb-89 15.40 m 1.4 1031.9 58.0 1248.1 42.0 2196.0 13.3 273.7 Cs136 13.16 d 12.7 818.5 99.7 1048.1 79.8 340.6 48.5 274.7 Sr-91 9.50 h 1.0 1024.3 33.4 749.8 23.0 652.9 7.8 277.0 Ba141 18.30 m 24.6 190.2 49.0 304.2 26.6 277.0 24.6 277.6 Np239 2.36 d 14.1 103.8 23.7 277.6 14.1 106.1 22.7 284.3 I-131 8.04 d 6.1 364.5 81.2 637.0 7.3 284.3 6.1 288.5 I-135 6.57 h 3.1 1260.4 28.9 1131.5 22.5 1678.0 9.5 293.3 Ce143 1.38 d 42.0 293.3 42.0 664.6 5.2 722.0 5.1 297.0 Xe139 39.70 s 18.0 219.0 45.0 297.0 18.0 175.0 16.0 304.2 Ba141 18.30 m 26.6 190.2 49.0 304.2 26.6 277.0 24.6 304.8 Ba140 12.75 d 4.5 537.2 24.4 162.6 6.7 304.8 4.5 304.9 Kr-85 m 4.48 h 13.7 151.2 75.1 304.9 13.7 — — 306.1 Rh105 35.40 h 5.1 318.9 19.2 306.1 5.1 — — 306.8 Tc101 14.20 m 88.0 306.8 88.0 545.1 6.0 127.4 2.8 315.9 Np239 2.35 d 1.6 103.8 23.7 106.1 22.7 277.6 14.1 316.5 Ru105 4.44 h 11.7 724.5 47.3 469.0 17.5 676.4 16.7 318.9 Rh105 35.40 h 19.2 318.9 19.2 306.1 5.1 — — 319.4 Nd147 10.98 d 2.0 91.1 27.9 531.0 13.1 319.4 2.0 320.1 Cr-51 27.70 d 10.1 320.1 10.1 — — — — 328.8 La140 40.27 h 20.5 1596.5 95.4 487.0 45.5 815.9 23.5 334.3 Np239 2.35 d 2.0 103.8 23.7 277.6 14.1 106.1 22.7 334.3 Te131 m 1.35 h 9.6 773.7 38.2 852.2 20.7 793.7 13.9 340.6 Cs136 13.16 d 48.5 818.5 99.7 1048.1 79.8 340.6 48.5 343.7 Ba141 18.27 m 15.0 190.2 49.0 304.2 26.6 277.0 24.6

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 344.7 I-136 83.00 s 2.5 1313.0 69.4 1321.1 25.8 2289.6 10.8 345.9 Hf181 42.40 d 17.2 482.0 82.8 133.0 41.7 345.9 17.2 346.0 Rb-91 58.50 s 12.0 93.0 38.0 2564.0 20.0 346.0 12.0 346.5 Sr-93 7.30 m 3.2 590.3 67.2 875.7 24.2 888.1 21.8 350.6 Ce143 33.00 h 3.4 293.3 42.0 664.6 5.2 722.0 5.1 355.4 Zr-97 16.80 h 2.3 743.4 94.8 507.6 5.3 355.4 2.3 355.5 Nb-98 51.10 m 10.0 787.2 95.0 722.3 77.0 1169.0 18.0 356.1 Kr-89 3.15 m 4.1 220.9 20.0 585.8 16.6 904.3 7.2 358.0 Tc104 18.00 m 84.4 358.0 84.4 530.0 14.7 883.0 12.2 362.2 Kr-88 2.84 h 2.2 196.3 26.0 834.8 13.0 1529.8 10.9 363.8 Ba142 10.70 m 3.9 255.1 18.0 1204.1 14.0 894.9 11.0 364.5 I-131 8.04 d 81.2 364.5 81.2 637.0 7.3 284.3 6.1 366.3 Ni-65 2.52 h 4.6 1481.8 23.5 1115.5 14.8 366.3 4.6 366.4 Mo-99 2.79 d 1.37 739.6 12.8 181.1 6.2 778.0 4.5 380.4 Sb125 2.76 y 1.5 427.9 29.4 600.6 17.8 635.9 11.3 391.7 Sn113 115.10 d 64.9 391.7 64.9 255.1 1.9 — — 393.4 Ru105 4.44 h 4.2 724.5 49.0 469.0 17.5 676.4 16.7 394.0 Xe139 39.70 s 5.4 219.0 45.0 297.0 18.0 175.0 16.0 396.4 Xe138 14.10 m 6.3 258.3 31.5 434.5 20.3 1768.3 16.7 401.4 Xe138 14.10 m 2.2 258.3 31.5 434.5 20.3 1768.3 16.7 402.6 Kr-87 1.37 m 49.6 402.6 49.6 2554.8 13.2 845.4 7.3 405.5 I-134 52.60 m 7.3 847.0 95.4 884.1 65.3 1072.6 15.3 409.0 Cs138 32.20 m 4.7 1435.9 76.3 462.8 30.7 1009.8 29.8 417.6 I-135 6.57 h 3.5 1260.4 28.9 1131.5 22.5 1678.0 9.5 423.7 Ba140 12.75 d 3.2 537.3 24.4 162.6 6.7 304.8 4.5 425.0 Ba142 10.70 m 5.0 255.1 18.0 1204.1 14.0 894.9 11.0 427.7 Sb125 2.76 y 29.4 427.9 29.4 600.6 17.8 635.9 11.3 430.6 Sr-92 2.71 h 3.3 1383.9 90.0 953.3 3.6 430.6 3.3 432.5 La140 40.27 h 2.9 1596.5 95.4 487.0 45.5 815.9 23.5 433.4 I-134 52.60 m 4.2 847.0 95.4 884.1 65.3 1072.6 15.3 434.5 Xe138 14.10 m 20.3 258.3 31.5 434.5 20.3 1768.3 16.7 437.6 Ba140 12.75 d 2.0 537.3 24.4 162.6 6.7 304.8 4.5 438.6 Zn-69 m 13.76 h 94.8 438.6 94.8 — — — — 439.9 Nd147 10.98 d 1.2 91.1 28.0 531.0 13.1 319.4 2.0 446.8 Ag110 m 249.80 d 3.6 657.8 94.4 884.7 72.6 937.5 34.2 448.5 Y-92 3.54 h 2.3 934.5 13.9 1405.4 4.8 561.1 2.4 455.5 Xe137 3.82 m 31.0 455.5 31.0 — — — — 457.4 Cs134 2.06 y 1.5 604.7 97.6 795.9 85.4 569.3 15.4 457.6 Ba141 18.27 m 5.1 190.2 49.0 304.2 26.6 277.0 24.6 462.8 Cs138 32.20 m 30.7 1435.9 76.3 462.8 30.7 1009.8 29.8 463.4 Sb125 2.76 y 10.4 427.9 29.4 600.6 17.8 635.9 11.3 467.3 Ba141 18.27 m 5.1 190.2 49.0 304.2 26.6 277.0 24.6 469.0 Ru105 4.44 h 17.5 724.5 47.3 469.0 17.5 676.4 16.7 479.5 W-187 23.90 h 23.4 685.8 26.4 479.5 21.1 134.2 9.5 482.0 Hf181 42.40 d 82.8 48.2 82.8 133.0 41.7 345.9 17.2 487.0 La140 40.27 h 45.5 1596.5 95.4 487.0 45.5 815.9 23.5 490.4 Ce143 33.00 h 2.0 293.3 42.0 664.6 5.2 722.0 5.1 497.1 Ru103 39.27 d 90.9 497.1 90.9 610.3 5.6 — —

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 497.5 Kr-89 3.15 m 6.6 220.9 20.0 585.8 16.6 904.3 7.2 505.9 I-132 2.28 h 5.0 667.7 98.7 772.6 76.2 954.6 18.1 507.6 Zr-97 16.80 h 5.3 743.4 94.8 507.6 5.3 355.4 2.3 511.0 N-13 9.97 m 199.6 511.0 199.6 — — — — 511.0 F-18 1.83 m 193.5 511.0 193.5 — — — — 511.0 Na-24 14.96 h — 1368.5 100.0 2754.1 99.8 — — 511.0 Co-58 70.88 d 30.0 810.8 99.4 511.0 30.0 — — 511.0 Cu-64 12.70 h 35.7 511.0 35.7 1345.9 0.49 — — 511.0 Zn-65 243.80 d 2.8 1115.5 50.7 511.0 2.8 — — 511.9 Ru106 1.02 y 20.6 511.9 20.4 621.8 10.7 1050.5 1.7 514.0 Kr-85 10.73 y 0.44 514.0 0.44 — — — — 522.7 I-132 2.28 h 16.1 667.7 98.7 772.6 76.2 954.6 18.1 526.7 Xe135 m 15.30 m 80.5 526.7 80.5 — — — — 529.9 I-133 20.80 h 86.3 529.9 86.3 875.3 4.5 1298.2 2.3 530.0 Tc104 18.00 m 14.7 358.0 84.4 530.0 14.7 983.0 12.2 531.0 Nd147 10.98 d 13.1 91.1 27.9 531.0 13.1 319.4 2.0 531.5 Tc101 14.20 m 1.0 306.8 88.0 545.1 6.0 127.4 2.8 537.3 Ba140 12.75 d 24.4 537.3 24.4 162.6 6.7 304.8 4.5 539.5 Kr-90 32.30 s 29.0 1118.7 37.0 121.8 32.0 539.5 29.0 540.8 I-134 52.60 m 7.8 847.0 95.4 884.1 65.3 1072.6 15.3 545.1 Tc101 14.20 m 6.0 306.8 98.0 545.1 6.0 127.4 2.8 546.6 I-135 6.57 h 7.1 1260.4 28.9 1131.5 22.5 1678.0 9.5 546.9 Cs138 32.20 m 10.8 1435.9 76.3 462.8 30.7 1009.8 29.8 551.0 Y-94 19.00 m 6.3 919.0 73.6 1139.0 7.8 551.0 6.3 551.6 W-187 23.90 h 5.4 685.8 26.4 479.5 21.1 134.2 9.5 554.4 Kr-90 32.30 s 4.8 1118.7 37.0 121.8 32.0 539.5 29.0 556.7 Te129 m 33.60 d 0.1 695.9 3.3 729.6 0.8 556.7 0.1 557.6 Y-91 m 49.71 m 95.1 557.6 95.1 — — — — 559.1 As-76 26.20 h 45.0 559.1 45.0 657.0 6.1 1216.0 3.8 561.1 Y-92 3.54 h 2.4 934.5 13.9 1405.4 4.8 561.1 2.4 563.2 Cs134 2.06 y 8.4 604.7 97.6 795.9 95.4 569.3 15.4 563.9 Sb122 2.70 d 69.3 563.9 69.3 692.8 3.7 — — 569.3 Cs134 2.06 y 15.4 604.7 97.6 795.9 85.4 569.3 15.4 577.0 Kr-89 3.15 m 5.6 220.9 20.0 585.8 16.6 904.3 7.2 585.8 Kr-89 3.15 m 16.6 220.9 20.0 585.8 16.6 904.3 7.2 590.3 Sr-93 7.40 m 67.2 $90.3 67.2 875.7 24.2 888.1 21.8 595.4 I-134 52.60 m 11.4 847.0 95.4 894.1 65.3 1072.6 15.3 600.6 Sb125 2.76 y 17.8 427.9 29.4 600.6 17.8 635.9 11.3 602.5 Zr-97 16.80 h 1.4 743.4 94.8 507.6 5.3 355.4 2.3 602.7 Sb124 60.20 d 97.8 602.7 97.8 1691.0 49.0 722.8 11.1 604.7 Cs134 2.06 y 97.6 604.7 97.6 795.9 85.4 569.3 15.4 604.8 Br-84 31.80 m 1.8 881.5 42.0 1897.3 14.9 1015.9 6.2 606.6 Sb125 2.76 y 5.0 427.9 29.4 600.6 17.8 635.9 11.3 608.2 Xe135 9.10 h 2.9 249.8 99.9 608.2 2.9 — — 610.3 Ru103 39.27 d 5.6 497.1 90.9 610.3 5.6 — — 618.4 W-187 23.90 h 6.7 685.8 26.4 479.5 21.1 134.2 9.5 620.1 Sr-91 9.50 h 1.7 1024.3 33.4 749.8 23.0 652.9 7.8 621.8 I-134 52.60 m 10.6 847.0 95.4 884.1 65.3 1072.6 15.3

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 621.8 Ru106 1.02 y 10.7 511.9 20.4 621.8 10.7 1050.5 1.7 627.2 Cs139 9.30 m 1.6 1283.2 7.0 627.2 1.6 1680.7 0.6 630.2 I-132 2.28 h 13.7 667.7 98.7 722.6 76.2 954.6 18.1 635.9 Sb125 2.76 y 11.3 427.9 29.4 600.6 17.8 635.9 11.3 637.0 I-131 8.04 d 7.3 364.5 81.2 637.0 7.3 284.3 6.1 641.2 La142 1.54 h 52.5 641.2 52.5 2397.7 16.3 2542.6 11.2 644.6 Nb-98 51.10 m 4.5 787.2 95.0 722.3 77.0 1169.0 18.0 645.9 Sb124 60.20 d 7.3 602.7 97.8 1691.0 49.0 722.8 11.4 647.9 Ba141 18.27 m 5.9 190.2 49.0 304.2 26.6 277.0 24.6 652.9 Sr-91 9.50 h 7.8 1024.3 33.4 749.8 23.0 652.9 7.8 657.0 As-76 26.30 h 6.1 559.1 45.0 657.0 6.1 1216.0 3.8 657.7 Rb-89 15.40 m 10.0 1031.9 58.0 1248.1 42.0 2196.0 14.1 657.8 Ag110 m 249.80 d 94.6 657.8 94.6 884.7 72.7 937.5 34.2 657.9 Nb-97 1.23 h 98.1 657.9 98.1 — — — — 661.7 Cs137 30.17 y 85.2 661.7 85.2 — — — — 664.6 Ce143 1.38 d 5.2 293.3 42.0 664.6 5.2 722.0 5.1 667.7 I-132 2.28 h 98.7 667.7 98.7 772.6 76.2 954.6 18.1 669.8 I-132 2.28 h 4.9 667.7 98.7 772.6 76.2 954.6 18.1 671.6 I-132 2.28 h 5.2 667.7 98.7 772.6 76.2 954.6 18.1 673.9 Kr-87 1.39 h 1.9 402.6 49.6 2554.8 13.2 845.4 7.3 676.4 Ru105 4.44 h 16.7 724.5 47.3 469.0 17.5 676.4 16.7 677.3 I-134 2.30 h 8.5 947.0 95.4 884.1 65.3 1072.6 15.3 677.6 Ag110 m 249.80 d 10.7 657.8 94.4 884.7 72.6 937.5 34.2 685.8 W-187 23.90 d 26.4 685.8 26.4 479.5 21.1 134.2 9.5 687.0 Ag110 m 249.80 d 6.5 657.8 94.4 884.7 72.6 937.5 34.2 692.8 Sb122 2.70 d 3.7 563.9 69.3 692.8 3.7 — — 694.7 Tc101 14.20 m 1.1 306.8 98.0 545.1 6.0 127.4 2.8 695.9 Te129 m 33.60 d 3.3 695.7 3.1 729.6 0.7 556.7 0.1 706.6 I-133 20.80 h 1.5 529.9 86.3 875.3 4.5 1298 2.3 706.7 Ag110 m 249.50 d 16.7 657.8 94.4 884.7 72.6 937.5 34.2 709.3 Sb124 60.20 d 1.4 602.7 97.9 1691.0 49.0 722.8 11.1 710.4 Sr-93 7.40 m 21.5 590.3 67.2 875.7 24.2 888.1 21.8 713.6 Nb-98 51.10 m 8.7 787.2 95.0 722.3 77.0 1169.0 18.0 713.8 Sb124 60.20 d 2.4 602.7 97.9 1691.0 49.0 722.8 11.1 722.0 Ce143 1.38 d 5.1 293.3 42.0 664.6 5.2 722.0 5.1 722.3 Nb-98 51.10 m 77.0 787.2 95.0 722.3 77.0 1169.0 18.0 722.8 Sb124 60.20 d 11.1 602.7 97.8 1691.0 49.0 722.8 11.1 722.9 I-131 8.04 d 1.8 364.5 81.2 637.0 7.3 284.3 6.1 724.2 Zr-95 64.02 d 44.1 756.7 54.5 724.2 44.1 — — 724.5 Ru105 4.44 h 47.3 724.5 47.3 469.0 17.5 676.4 16.7 727.1 I-132 2.28 h 5.4 667.7 98.7 772.6 76.2 954.6 18.1 729.6 Te129 m 33.60 d 0.7 695.9 3.1 729.6 0.7 556.7 0.1 736.5 Br-84 31.80 m 1.3 881.5 42.0 1897.3 14.9 1015.9 6.2 738.4 Kr-89 3.15 m 4.2 220.9 20.0 585.8 16.6 904.3 7.2 739.1 Ba141 18.27 m 4.5 190.2 49.0 304.2 26.6 277.0 24.6 739.6 Mo-99 2.79 d 12.8 739.6 12.1 181.1 6.2 778.0 4.5 743.4 Zr-97 16.80 h 94.8 743.4 94.8 507.6 5.3 355.4 2.3 744.3 Ag110 m 249.80 d 22.3 657.8 94.6 884.7 72.7 937.5 34.2

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 749.8 Sr-91 9.50 h 23.0 1024.3 33.4 749.8 23.0 652.9 7.8 751.8 La140 40.27 h 4.4 1596.5 95.4 487.0 45.5 815.9 23.5 756.7 Zr-95 64.02 d 54.5 756.7 54.5 724.2 44.1 — — 765.8 Nb-95 34.97 d 99.8 765.8 99.8 — — — — 772.6 I-132 2.28 h 76.2 667.7 98.7 772.6 76.2 954.6 18.1 772.9 W-187 23.90 h 4.4 685.8 29.2 479.5 23.4 134.2 9.5 773.7 Te131 m 1.35 d 38.2 773.7 38.2 852.2 20.7 793.7 13.9 778.0 Mo-99 2.79 d 4.5 739.6 12.1 181.1 6.2 778.0 4.5 787.2 Nb-98 51.10 m 95.0 787.2 95.0 722.3 77.0 1169.0 18.0 793.7 Te131 m 1.35 d 13.9 773.7 38.2 852.2 20.7 793.7 13.9 795.9 Cs134 2.06 y 95.4 604.7 97.6 795.9 95.4 569.3 15.4 801.9 Cs134 2.06 y 8.7 604.7 97.6 795.9 85.4 569.3 15.4 802.2 Br-84 31.80 m 6.1 881.5 42.0 1897.3 14.9 1015.9 6.2 802.4 Br-85 2.87 m 2.6 802.4 2.6 924.6 1.6 — — 809.8 I-132 2.28 h 2.9 667.7 98.7 772.6 76.2 954.6 18.1 810.8 Co-58 70.88 d 99.4 810.8 99.4 511.0 30.0 —   812.2 I-132 2.28 h 5.6 667.7 98.7 772.6 76.2 954.6 18.1 815.9 La140 40.27 h 23.5 1596.5 95.4 487.0 45.5 815.9 23.5 818.0 Ag110 m 249.80 d 7.3 657.8 94.6 884.7 72.7 937.5 34.2 818.5 Cs136 13.16 d 99.7 818.5 99.7 1048.1 79.8 340.6 48.5 822.8 Te131 m 1.35 d 6.1 773.7 38.2 852.2 20.7 793.7 13.9 831.7 Rb-90 2.60 m 33.3 831.7 33.3 1060.7 7.8 — — 831.7 Rb-90 m 4.30 m 93.4 831.7 93.4 1375.4 17.4 1060.7 9.5 833.3 Nb-98 51.10 m 10.0 787.2 95.0 722.3 77.0 1169.0 18.0 834.8 Kr-88 2.84 h 13.0 196.3 26.0 834.8 13.0 1529.8 10.9 834.8 Mn-54 312.20 d 100.0 834.8 100.0 — — — — 836.8 I-135 6.57 h 6.7 1260.4 28.9 1131.5 22.5 1678.0 9.5 844.3 Y-92 3.54 h 1.3 934.5 13.9 1405.5 4.8 561.1 2.4 845.4 Kr-87 1.37 h 7.3 402.6 49.6 2554.8 13.2 845.4 7.3 846.8 Mn-56 2.58 h 98.9 846.8 98.9 1810.7 27.2 2113.1 14.3 847.0 I-134 52.60 m 95.4 947.0 95.4 894.1 65.3 1072.6 15.3 852.2 Te131 m 1.35 d 20.7 773.7 38.2 852.2 20.7 793.7 13.9 857.3 I-134 52.60 m 7.0 947.0 95.4 884.1 65.3 1072.6 15.3 861.6 La142 1.54 h 2.0 641.2 52.5 2397.7 16.3 2542.6 11.2 967.1 Kr-89 3.15 m 5.9 220.9 20.0 585.8 16.6 904.3 7.2 867.8 La140 40.27 h 6.2 1596.5 95.4 497.0 45.5 815.9 23.5 871.8 Cs138 32.20 m 5.1 1435.9 76.3 462.8 30.7 1009.8 29.8 875.3 I-133 20.80 h 4.5 529.9 86.3 875.3 4.5 1298.2 2.3 875.7 Sr-93 7.40 m 24.2 590.3 67.2 875.7 24.2 888.1 21.8 875.8 Ru105 4.44 h 3.4 724.5 49.0 469.0 17.5 676.4 16.7 876.3 Ba141 18.27 m 3.6 190.2 49.0 304.2 26.6 277.0 24.6 881.5 Br-84 31.80 m 42.0 881.5 42.0 1897.3 14.9 1015.9 6.2 883.0 Tc104 18.00 m 12.2 358.0 84.4 530.0 14.7 883.0 12.2 884.1 I-134 52.60 m 65.3 847.0 95.4 994.1 65.3 1072.6 15.3 884.7 Ag110 m 249.80 d 72.6 657.8 94.6 884.7 72.7 937.5 34.2 888.1 Sr-93 7.40 m 21.8 590.3 67.2 975.7 24.2 888.1 21.8 894.9 La142 1.54 h 9.4 641.2 52.5 2397.7 16.3 2542.6 11.2 894.9 Ba142 10.70 m 11.0 255.1 18.0 1204.1 14.0 894.9 11.0

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Radiochemistry in Nuclear Power Reactors Energy (keV) Nuclide Half-life γ/d % Associated Major Gamma-ray and Intensity keV % keV % keV % 898.0 Rb-88 17.70 m 14.0 1936.0 21.4 898.0 14.0 2677.8 1.9 904.3 Kr-89 3.15 m 7.2 220.9 20.0 585.8 16.6 904.3 7.2 919.0 Y-94 19.00 m 73.6 919.0 73.6 1139.0 7.8 551.0 6.3 919.6 La140 40.22 h 2.9 1596.5 95.5 497.0 45.5 815.9 23.5 924.6 Br-95 2.87 m 1.6 802.4 2.6 924.6 1.6 — — 925.2 La140 40.27 h 7.1 1596.5 95.4 487.0 45.5 815.9 23.5 925.8 Sr-91 9.50 h 3.7 1024.3 33.4 749.8 23.0 652.9 7.8 934.5 Y-92 3.54 h 13.9 934.5 13.9 1405.4 4.8 561.1 2.4 937.5 Ag110 m 349.80 d 34.2 657.8 94.6 884.7 72.7 937.5 34.2 946.8 Ba142 10.70 m 8.9 255.1 18.0 1204.1 14.0 894.9 11.0 947.1 T-93 10.20 h 2.0 266.9 6.8 947.1 2.0 1917.0 1.4 947.7 Rb-89 15.40 m 9.2 1031.9 58.0 1248.1 42.0 2196.0 13.3 953.3 Sr-92 2.71 h 3.6 1383.9 90.0 953.3 3.6 430.6 3.3 954.6 I-132 2.28 h 18.1 667.7 98.7 772.6 76.2 954.6 18.1 969.4 Ru105 4.44 h 2.3 724.5 49.0 469.0 17.5 676.4 16.7 972.6 I-135 6.57 h 1.2 1260.4 28.9 1131.5 22.5 1679.0 9.5 976.5 I-136 1.39 m 2.8 1313.0 69.4 1321.1 25.8 2289.6 10.8 985.8 Kr-88 2.84 h 1.3 196.3 26.0 $34.8 13.0 1529.8 10.8 1009.8 Cs138 32.20 m 29.8 1435.9 76.3 462.9 30.7 1009.8 29.8 1011.4 La142 1.54 h 4.4 641.2 52.5 2397.7 16.3 2542.6 11.2 1015.9 Br-84 31.80 m 6.2 881.5 42.0 1897.3 14.9 1015.9 6.2 1024.3 Sr-91 9.50 h 33.4 1024.3 33.4 749.8 23.0 652.9 7.8 1031.9 Rb-89 15.40 m 58.0 1031.9 58.0 1248.1 42.0 2196.0 13.3 1038.8 I-135 6.57 h 7.9 1260.5 28.9 1131.5 22.5 1678.0 9.5 1040.6 Sr-93 7.40 m 3.2 590.3 67.2 875.7 24.2 988.1 21.8 1043.7 La142 1.54 h 3.0 641.2 52.5 2397.7 16.3 2542.6 11.2 1048.1 Cs136 13.16 d 79.6 818.5 99.7 1048.1 79.8 340.6 48.5 1050.5 Ru106 1.02 y 1.7 $11.9 20.4 621.8 10.7 1050.5 1.7 1060.7 Rb-90 2.60 m 7.8 831.7 33.3 1060.7 7.8 — — 1060.7 Rb-90 m 4.30 m 9.5 831.7 93.4 1375.4 17.4 1060.7 9.5 1072.6 I-134 52.60 m 15.3 947.0 95.4 884.1 65.3 1072.6 15.3 1078.5 Ba142 10.70 m 9.3 255.1 18.0 1204.1 14.0 894.9 11.0 1099.2 Fe-59 44.51 d 56.5 1099.2 56.5 1291.6 43.2 192.3 3.1 1115.5 Ni-65 2.52 h 14.8 1481.9 23.5 1115.5 14.8 366.3 4.6 1115.5 Zn-65 243.80 d 50.7 1115.5 50.7 511.0 2.8 — — 1118.7 Kr-90 32.30 s 37.0 1118.7 37.0 121.8 32.0 539.5 29.0 1122.5 Sr-93 7.40 m 4.0 590.3 67.2 875.7 24.2 888.1 21.8 1124.0 I-135 6.57 h 3.6 1260.4 28.9 1131.5 22.5 1678.0 9.5 1125.5 Te131 m 1.35 d 11.4 773.7 38.2 852.2 20.7 793.7 13.9 1131.5 I-135 6.57 h 22.5 1260.4 28.9 1131.5 22.5 1678.0 9.5 1136.0 I-132 2.28 h 2.9 667.7 98.7 772.6 76.2 954.6 18.1 1136.2 I-134 52.60 m 9.7 847.0 95.4 884.1 65.3 1072.6 15.3 1139.0 Y-94 19.00 m 7.8 919.0 73.6 1139.0 7.8 551.0 6.3 1141.3 Kr-88 2.84 h 1.3 196.3 26.0 834.8 13.0 1529.8 10.9 1142.3 Sr-92 2.71 h 2.9 1383.9 90.0 953.3 3.6 430.6 3.3 1169.0 Nb-98 51.10 m 18.0 787.2 95.0 722.3 77.0 1169.0 18.0 1173.2 Co-60 5.27 y 100.0 1173.2 100.0 1332.5 100.0 — — 1175.4 Kr-87 1.39 h 1.1 402.6 49.6 2554.8 13.2 845.4 7.3

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Radiochemistry in Nuclear Power Reactors Table A-5 MAJOR ACTIVATED CORROSION PRODUCTS IN LIGHT WATER REACTORS Nuclide Half-Life Formation Reaction Nature Isotopic Abundance (%) Activation Cross Section (Barns)a Thermal Epithermal Fast 51Cr 27.7 d 50Cr(n,γ)51Cr 4.35 16.0 0.68   54Mn 312.2 d 54Fe(n,p)54Mn 5.8     0.11 56Mn 2.58 h 55Mn(n,γ)56Mn 100 13.3 1.13   55Fe 2.73 y 54Fe(n,γ)55Fe 5.8 2.5 0.1   59Fe 44.51 d 58Fe(n,γ)59Fe 0.3 1.14 0.1   58Co 70.88 d 58Ni(n,p)58Cob 68.3     0.146 60Co 5.27 y 59Co(n,γ)60Co 100 37.5 6.05   63Ni 100 y 62Ni(n,γ)63Ni 3.6 14.6 0.77   65Ni 2.52 h 64Ni(n,γ)65Ni 0.9 1.50 0.07   64Cu 12.7 h 63Cu(n,γ)64Cu 69.2 4.4 0.40   65Zn 243.8 d 64Zn(n,γ)65Zn 48.6 0.82 0.13   76As 26.3 h 75As(n,γ)76As 100 4.4 5.08   95Zr 64.02 d 94Zr(n,γ)95Zr 17.4 0.075 0.031   110mAg 249.8 d 109Ag(n,γ)110mAg 48.17 4.7     113Sn 115.1 d 112Sn(n,γ)113Sn 1.01 0.71 2.2   124Sb 60.2 d 123Sb(n)γ)124Sb 42.7 4.0 9.7   181Hf 42.4 d 180Hf(n)γ)181Hf 35.2 12.6 2.26   182Ta 114.43 d 181Ta(n,γ)182Ta 100 22.0 56.4   187W 23.9 h 186W(n,γ)187W 28.6 37.2 33.9   aData for 20°C. bBurnup cross section, σb, for Co-58 is 1.9×10−21 cm2.

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Radiochemistry in Nuclear Power Reactors Table A-6 RECOMMENDED GAMMA-RAY STANDARDS Nuclide Half-life Photon Energy (KeV) Emission Probability (γ/d) Na-22 2.605 y 1274.54 1.0 Mn-54 312.2 d 834.84 1.0 Co-57 271.8 d 122.06 0.859 Co-60 5.27 y 1173.24 0.999     1332.50 1.0 Zn-65 243.8 d 1115.55 0.507 Kr-85 10.73 y 514.01 0.00434 Sr-85 64.84 d 514.01 0.983 Y-88 106.6 d 898.04 0.937     1836.06 0.9924 Cd-109 462.0 d 88.03 0.0375 Sn-113 115.1 d 391.7 0.6489 Sb-125 2.758 y 27.4 0.619     176.4 0.06979     380.5 0.0151     427.9 0.294     463.4 0.1037     600.6 0.1735     635.9 0.112 Cs-137 30.17 y 661.66 0.852 Ba-133 10.53 y 81.0 0.343     302.85 0.183     356.02 0.621 Ce-139 137.6 d 165.9 0.80 Eu-152 13.48 y 121.78 0.2837     244.7 0.0751     344.38 0.2658     443.98 0.0312     778.9 0.1296     964.13 0.1462     1085.91 0.1016     1112.12 0.1356     1408.01 0.2085

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Radiochemistry in Nuclear Power Reactors Nuclide Half-life Photon Energy (KeV) Emission Probability (γ/d) Eu-154 8.59 y 42.8 0.131     123.1 0.408     248.0 0.0691     591.7 0.0494     723.3 0.201     873.2 0.122     996.4 0.1043     1004.8 0.1808     1274.4 0.344     1596.5 0.0185 Eu-155 4.71 y 42.8 0.117     86.6 0.311     105.3 0.215 Hg-203 45.61 d 279.20 0.815 Bi-207 32.2 y 569.7 0.977     1063.66 0.74 Am-241 432.7 y 26.34 0.024     59.54 0.359

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Representative terms from entire chapter:

associated major