Table 3.
Radiosynthesis of [18F]FSPG via TRACERlab™ FXFN module
| Entry | Starting activity (GBq) | Precursor amount (mg) | Total synthetic time (min) | Activity of the obtained [18F]FSPG (GBq) | Amount of ENVI-Carb graphitized carbon (g) | Radiochemical purity (%) | Non-decay-corrected radiochemical yield (%) | 
|---|---|---|---|---|---|---|---|
| 1 | 14.80 | 6 | 45 | 3.19 | 0.5 | 96.73 | 21.60 | 
| 2 | 24.05 | 6 | 45 | 5.77 | 0.5 | 96.79 | 23.99 | 
| 3 | 26.64 | 6 | 45 | 6.07 | 0.5 | 95.81 | 22.79 | 
| 4 | 33.56 | 6 | 45 | 7.62 | 0.5 | 95.48 | 22.71 | 
| 5 | 37.00 | 6 | 45 | 8.03 | 0.5 | 96.72 | 21.70 | 
| 6 | 92.50 | 6 | 45 | 7.51 | 0.5 | 93.29 | 8.12 | 
| 7 | 64.01 | 12 | 45 | 12.65 | 1.5 | 98.60 | 19.76 | 
| 8 | 64.75 | 12 | 45 | 12.77 | 1.5 | 95.99 | 19.72 | 
| 9 | 85.10 | 12 | 45 | 15.80 | 1.5 | 95.03 | 18.57 |