Table 1 Activities for standard calibration phantom acquisitions
Acquisition | Spheres | Phantom | Background to sphere |
|---|---|---|---|
number | activity (MBq) | activity (MBq) | concentration ratio (%) |
1–4 | 9.46 | 247.47 | 10.20 |
5–8 | 9.46 | 491.47 | 20.67 |
9–12 | 9.46 | 743.49 | 31.47 |
13–16 | 9.46 | 1238.38 | 52.69 |