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| Radioisotope | 55Co |
|---|---|
| Target material | Natural and enriched nickel |
| Product purity | 92 to >97% |
| Major impurities | 57Co, 58Co, 57Ni |
| Separation method | Anion exchange chromatography (AG1-X8 resin) |
| - Target dissolution: concentrated HCl | |
| - Co elution: 0.4–0.5 N HCl | |
| Product separation yield | >90% |
| Target recovery yield | 94% |
