Table 5.
Implanted Tm (measured) | Extracted Tm (calculated) | Target | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Foil | Zn | Er | 167Tm | 167Tm | 167Tm/Er | Er | Er | 167Tm | 167Tm | 167Tm/Er | 167Tm/Er |
(μg) | (μg) | (MBq) | (ng) | (MBq/μg) | (nAh) | (μg) | (MBq) | (ng) | (MBq/μg) | (MBq/μg) | |
1A | 0.4 | 1.9 | 8.7 | 2.8 | 4.6 | 938 | 5.8 | 33.6 | 10.7 | 4.6 | 3.1 × 10−3 |
2B | 0.2 | 0.8 | 7.7 | 2.5 | 9.6 | 919 | 5.7 | 20.2 | 6.5 | 3.4 | 2.8 × 10−3 |
3A | 0.5 | 1.4 | 15.4 | 4.9 | 11.0 | 496 | 3.1 | 28.8 | 9.2 | 9.4 | 4.7 × 10−3 |
167Tm/Er ratios are calculated for the time directly after mass separation and compared to expected results on extracted activity if sputtering is avoided, and to the ratio in the Er2O3 targets before mass separation.