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Appl Radiat Isot. 2001 Aug;55(2):157-60.

Dry-distillation of astatine-211 from irradiated bismuth targets: a time-saving procedure with high recovery yields.

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1
Department of Radiation Physics, Göteborg University, Sahlgrenska University Hospital, Sweden. sture.lindegren@radfys.gu.se

Abstract

Astatine-211 was produced via the 209Bi(alpha,2n) 211At reaction. The radionuclide was isolated with a novel procedure employing dry-distillation of the irradiated target material. The astatine was condensed as a dry residue in a PEEK-capillary cryotrap. Distillation was completed within 1-2 min with isolation yields of 92 +/- 3%. Subsequent work-up of the nuclide resulted in final recovery yields of 79 +/- 3%.

PMID:
11393754
[Indexed for MEDLINE]
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