Quantification Errors for Multi-isotope Studies Using 1:1 Activity Ratios and MH Apertures
| Isotope A (spill-out) | |||||||||||
| 20% energy window | 10% energy window | ||||||||||
| Isotope B (spill-in) | Peak | 99mTc | 111In | 123I | 177Lu | 201Tl | 99mTc | 111In | 123I | 177Lu | 201Tl |
| 99mTc | 140.5 | — | 20.0 | 33.1 | 1.8 | 6.2 | — | 12.8 | 12.3 | 1.1 | 4.7 |
| 111In | 171.3 | 2.5 | — | 87.9 | 1.9 | 13.1 | 1.7 | — | 47.6 | 1.3 | 12.1 |
| 245.4 | 2.5 | — | 7.5 | 2.4 | 1.8 | 1.8 | — | 4.8 | 0.8 | 0.7 | |
| 123I | 159.0 | 33.0 | 72.5 | — | 1.7 | 11.2 | 5.4 | 40.1 | — | 1.1 | 5.1 |
| 177Lu | 56.1 | 32.7 | 67.1 | 55.2 | — | 105.8 | 29.3 | 59.1 | 47.8 | — | 82.5 |
| 112.9 | 69.7 | 141.7 | 91.7 | — | 26.0 | 44.7 | 98.0 | 61.6 | — | 17.8 | |
| 208.4 | 15.0 | 93.9 | 57.4 | — | 32.1 | 10.0 | 46.8 | 36.6 | — | 21.6 | |
| 201Tl | 72.3 | 2.9 | 4.9 | 4.6 | 2.2 | — | 2.0 | 3.6 | 3.6 | 1.4 | — |
| 167.4 | 43.0 | 749.4 | 755.5 | 14.0 | — | 8.8 | 735.2 | 593.2 | 9.8 | — | |
Peak is in keV; error is in %.