Table 3 The measured radionuclide compositions of spiked blank solutions
From: Effect of reducing groundwater on the retardation of redox-sensitive radionuclides
A. Measured initial radionuclide concentrations (μg/L) in synthetic J-13 water | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Test ID | Test Condition | Sr | Tc-99 | I | Cs | Re | Np-237 | U | Pu-242 |
A | atm | 3648 ± 117 | 9.88 | 12764 ± 1137 | 1112 ± 38.5 | 159 ± 5.09 | 199 ± 5.66 | 1192 ± 36.2 | 0.0785 ± 0.004 |
|  |  | (4.16 × 10-5)a | (9.99 × 10-8) | (1.01 × 10-4) | (8.37 × 10-6) | (8.54 × 10-7) | (8.39 × 10-7) | (5.01 × 10-6) | (3.24 × 10-10) |
B | 1% O2 | 4695 ± 9.62 | 12.7 ± 0.06 | 19116 ± 62.2 | 1469 ± 0.57 | 209 ± 1.36 | 261 ± 1.19 | 1118 ± 34.5 | 0.113 ± 0.0001 |
C | 0.1% O2 | 4598 ± 11.3 | 12.4 ± 0.00 | 18616 ± 679 | 1439 ± 2.26 | 204 ± 0.40 | 258 ± 0.06 | 1518 ± 11.3 | 0.111 ± 0.017 |
D | 11 ppm FeCl2 | 3190 ± 162 | 8.91 ± 0.29 | 2071 ± 481 | 993 ± 40.7 | 151 ± 4.53 | 148 ± 6.62 | 393 ± 477 | 0.032 ± 0.036 |
E | 24 ppm Na2S | 3134 ± 50.9 | 8.63 ± 0.12 | 1090 ± 0.00 | 986 ± 44.1 | 159 ± 19.1 | 162 ± 21.0 | 656 ± 268 | 0.030 ± 0.023 |
Method detection limit | 0.1 | 0.005 | 20 | 0.2 | 0.02 | 0.002 | 0.05 | 0.0005 | |
a Average concentration (mol/L) in parentheses. | |||||||||
B. Measured initial radionuclide concentrations (μg/L) in synthetic LCA water | |||||||||
Test ID | Test Condition | Sr | Tc-99 | I | Cs | Re | Np-237 | U | Pu-242 |
A | atm | 3630 ± 246 | 9.56 ± 0.61 | 11900 ± 990 | 1109 ± 78.6 | 159 ± 11.0 | 200 ± 1.48 | 1202 ± 91.6 | 0.100 ± 0.008 |
B | 1% O2 | 4724 ± 76.4 | 12.4 ± 0.27 | 18516 ± 84.8 | 1473 ± 25.5 | 206 ± 4.41 | 262 ± 3.56 | 1587 ± 25.5 | 0.136 ± 0.001 |
C | 0.1% O2 | 4629 ± 2.26 | 12.3 ± 0.00 | 19276 ± 119 | 1437 ± 9.05 | 204 ± 0.45 | 260 ± 0.11 | 1556 ± 2.83 | 0.133 ± 0.0002 |
D | 11 ppm FeCl2 | 3656 ± 522 | 9.72 ± 1.39 | 1968 ± 87.7 | 1099 ± 158 | 162 ± 23.1 | 139 ± 21.0 | 62.1 ± 81.0 | 0.008 ± 0.008 |
E | 24 ppm Na2S | 3182 ± 83.2 | 8.53 ± 0.19 | 846 ± 7.35 | 966 | 144 ± 4.36 | 144 ± 5.32 | 207 ± 52.1 | 0.011 ± 0.006 |
C. Measured initial radionuclide concentrations (μg/L) in synthetic TCU water | |||||||||
Test ID | Test Condition | Sr | Tc-99 | I | Cs | Re | Np-237 | U | Pu-242 |
A | atm | 3786 ± 3.39 | 9.88 ± 0.02 | 12252 ± 28.3 | 1166 ± 7.92 | 163 ± 0.45 | 207 ± 0.34 | 1252 ± 0.57 | 0.106 ± 0.0004 |
B | 1% O2 | 4720 ± 41.9 | 12.7 ± 0.06 | 20788 ± 73.5 | 1483 ± 11.3 | 211 ± 1.19 | 266 ± 3.73 | 1114 ± 19.2 | 0.135 ± 0.003 |
C | 0.1% O2 | 4601 ± 0.00 | 12.1 ± 0.01 | 18152 ± 67.9 | 1434 ± 2.26 | 200 ± 0.40 | 256 ± 2.66 | 1549 ± 11.9 | 0.134 ± 0.002 |
D | 11 ppm FeCl2 | 3149 ± 24.3 | 8.39 ± 0.04 | 1896 ± 301 | 957 ± 10.8 | 141 ± 0.74 | 98.6 ± 33.1 | 962 ± 33.9 | 0.037 ± 0.042 |
E | 24 ppm Na2S | 3174 ± 215 | 8.54 ± 0.57 | 946 ± 46.4 | 1018 ± 22.6 | 180 ± 32.8 | 190 ± 44.3 | 1374 ± 314 | 0.107 ± 0.007 |