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The main characteristics of the proposed processes for formulating zirconium-89 solutions for radiopharmaceutical preparations.
| Formulation Method | Total Yield of 89Zr, % | pHmax. | Shelf Life |
|---|---|---|---|
| ZR-resin only (0.1 M oxalic acid) | 90 ± 2% | 5.0 ± 0.5 | 8–9 days |
| ZR-resin + Chelex-100 (0.1 M sodium oxalate) | 93 ± 2% | 6.0 ± 0.5 | >10 days |
| ZR-resin + Chelex-100 (0.1 M sodium citrate) | 90 ± 1% | 5.0 ± 0.5 | 3–4 days |
| ZR-resin + Chelex-100 (1.0 M sodium citrate) | 94 ± 2% | 6.5 ± 0.5 | 6–7 days |
