照射ビスマス中のポロニウムの定量
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概要
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Polonium-210 can easily be obtained by separating it from neutron-irradiated bismuth. A study was made of a suitable method of separating polonium from bismuth by spontaneous deposition. It was found that polonium-210 is quantitatively deposited on a silver plate when 0.1 m<I>l</I> of a 0.11.2 <I>N</I> HNO<SUB>3</SUB> solution containing polonium and bismuth is contacted with the silver plate for 1 hour or more. If the amount of bismuth is more than 1 gram in 25 m<I>l</I> of polonium solution, the deposition-rate of polonium decreases.
- 社団法人 日本分析化学会の論文