Production of no-carrier-added 123I via heavy-ion activation of natural antimony oxide

Samir Maji; Susanta Lahiri

doi:10.1524/ract.2007.95.3.133

Published by De Gruyter (O) September 25, 2009

Production of no-carrier-added ¹²³I via heavy-ion activation of natural antimony oxide

Samir Maji

and Susanta Lahiri

From the journal Radiochimica Acta

https://doi.org/10.1524/ract.2007.95.3.133

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Activation of natural Sb₂O₃ with 48 MeV ⁷Li³⁺ beam results in the formation of no-carrier-added ¹²³I in the matrix along with the radionuclides ^123,125Xe and ¹²²Sb. The ¹²³I yield amounts to about 400 kBq/μAh and the radionuclidic impurity of ¹²⁴I to ∼1.2% of ¹²³I. Attempts to separate no-carrier-added iodine from bulk antimony target involved liquid-liquid extraction with TOA and HDEHP as well as precipitation of Sb₂S₃ with thioacetamide. The precipitation technique was found to be the most effective for quantitative separation of ¹²³I from the bulk antimony oxide target.

Keywords: Heavy-ion activation; Antimony oxide; 123I; TOA; HDEHP; Thioacetamide

Received: 2006-3-7

Accepted: 2006-11-20

Published Online: 2009-9-25

Published in Print: 2007-3-1

Production of no-carrier-added ¹²³I via heavy-ion activation of natural antimony oxide

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