水相のプロトン照射による<SUP>13</SUP>NNと<SUP>15</SUP>OOの簡便な生産法

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タイトル別名
  • Simple Method for Producing <SUP>13</SUP>NN and <SUP>15</SUP>OO by Proton Bombardment of Aqueous Phase
  • スイソウ ノ プロトン ショウシャ ニヨル 13NN ト 15OO ノ カンベ

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説明

A simple method has been developed for the production of 13NN and 15OO by proton irradiation of aqueous solutions. 90 mCi of 13NN was obtained in a 200 ml of He by using 1.0M NH4Cl solution at pH 11 as the target with 10 min irradiation of 15 MeV, 10 μA protons. 80 mCi/min of 15OO was continuously obtained in a 200 ml of O2 by using pure water as the target with 40 MeV, 2μA protons. The radiochemical purity of these short-lived radioactive gases obtained by this method was >99.9% by passing through a single absorber.

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