Abstract
We produced 211At by irradiating the semi-sealed encapsulated Bi target with an external vertical beam. At 28.5MeV, the yield of 211At was 22MBq/μAh (600μCi/μAh). 211At was recovered by dry distillation, and 80% of the produced 211At was successfully obtained in dry Na211At form within 2h from the end of bombardment (EOB). The radionuclidic purity of 211At was >99% at 5h from EOB.
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