Production and purification parameters for 44gSc.
| Radioisotope | 44gSc | |
|---|---|---|
| Target material | Natural and enriched calcium, enriched calcium carbonate | |
| Product purity | >95% | |
| Major impurities | 44mSc, 47Sc, 48Sc, 43Sc, 46Sc | |
| Separation method | 1 | Ion exchange chromatography (UTEVA extraction resin) |
| - Target dissolution: concentrated HCl | ||
| - Ca elution: 10 M HCl | ||
| - Sc elution: water | ||
| Product separation yield | 80% | |
| Target recovery yield | — | |
| Separation method | 2 | Ion exchange chromatography (Chelex 100 resin) |
| - Target dissolution: 0.1 M HCl | ||
| - Sc elution: 0.01 M HCl | ||
| - Ca elution: 1 M HCl | ||
| Product separation yield | 70% | |
| Target recovery yield | 60% | |