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- Title
Production of no-carrier-added <sup>135</sup>La at an 18 MeV cyclotron and its purification for investigations at a concentration range down to 10<sup>−15</sup> mol/L.
- Authors
Mansel, Alexander; Franke, Karsten
- Abstract
The production of non-commercially available 135La by proton irradiation of an isotopically enriched [135Ba]BaCO3 target at a cyclotron is described. The purification of the radionuclide was performed by a La-selective resin. 135La was separated in no-carrier-added (n.c.a) form in a nitric acid solution with a radiochemical yield of 83 ± 5% and a total activity per batch of 43 ± 3 MBq. The enriched [135Ba]Ba was recycled to the carbonate form with a recovery of 90 ± 3%. On the basis of a detection limit of 1 Bq/mL, solutions of n.c.a. 135La could be measured down to the 10 -15 mol/L concentration range.
- Subjects
CYCLOTRON radiation; RADIONUCLIDIC purity; IRRADIATION; NITRIC acid; CARBONATES
- Publication
Radiochimica Acta, 2015, Vol 103, Issue 11, p759
- ISSN
0033-8230
- Publication type
Article
- DOI
10.1515/ract-2015-2427