全自動短寿命ラジオアイソトープ標識化合物合成装置の試作

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タイトル別名
  • The Development of the Apparatus for the Fully Automated Synthesis of Short-lived Radiopharmaceuticals
  • ゼン ジドウ タン ジュミョウ ラジオアイソトープ ヒョウシキ カゴウブツ ゴ
  • ―<SUP>13</SUP>NH<SUB>3</SUB>全自動合成装置―

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A fully automated apparatus for repeated production of 13NH3 from proton-bombarded water has been developed. Its operation sequence consists of the introduction of NaOH, the bombarded water containing 13NO3- and TiCl3 into a reaction vessel, the distillation of 13NH3 formed by the reduction of the 13NH3-, and the washing of the vessel for the next sequence. The NaOH and TiCl3 are added as 4ml of saturated solution and 4ml of 10% aqueous solution, respectively, and halogen lamps are used as the heat source for the distillation. By this apparatus, 13NH3 can be produced automatically and repeatedly in a radiochemical yield of 80-90% within 10 min from the EOB.

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