Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Preparation of Phosphorus-32 in a High Specific Activity Using the Szilard-Chalmers Effect
Kichizo Tanaka
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1964 Volume 37 Issue 12 Pages 1730-1733


A process has been developed for obtaining phosphorus-32 free from phosphorus-33 and with a high specific activity. Phosphorus-32 has been prepared by an anion exchange method, in which a chloride solution containing 0.025M of potassium chloride and 0.025M of hydrochloric acid of neutron irradiated phosphate was passed through the column of a strongly basic anion exchanger, and the adsorbed phosphorus-32 has been eluted with 8M hydrochloric acid. The anhydrous orthophosphate shows a good recovery compared with several orthophosphates, sodium orthophosphite and sodium hypophosphite. The recovery is not much affected by the irradiation time. Enrichment factors higher than 103 have been obtained.

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