Concentration of Metallic Impurities of ITG 68Ge/68Ga Generator in 4 Milliliters of Eluate at Time of First Elution (1,850 MBq of 68Ga)
| Trace metal | ITG 68Ge/68Ga silica-based generator (ppm [μg/mL]) | Obninsk 68Ge/68Ga TiO2-based generator (11) (ppm [μg/mL]) |
| Iron | 0.146 | 2,100 ± 1,300 |
| Nickel | 0.006 | 0.254 ± 0.124 |
| Copper | ≤0.001 | 0.014 ± 0.006 |
| Zinc | 0.030 | 5.050 ± 0.147 |
| Niobium | ≤0.001 | Not reported |
| Lead | 0.016 | 0.008 ± 0.005 |