Abstract
A procedure for separation of no-carrier-added 113mIn(III) radioisotope from a bulk of 110mAg has been developed. The sorption behavior of 113mIn(III) and 110mAg(I) ions in HNO3 acid solutions on different tungstocerate matrices showed high affinity of 110mAg(I) ions towards tungstocerate(IV) gel matrices compared with 113mIn(III) ions. No-carrier-added 113mIn radionuclide was separated from 110mAg on 12-tungstocerate(IV) column matrix. 11 mL 0.3M HNO3 acid solution was enough for eluting the 113mIn from the column bed. 110mAg was recovered from the column by eluting the column bed with 12 mL 2M HNO3 acid solution.
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