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<p>This work explores the effects of dilution on the retention phenomena of radioactive atoms produced in the Szilard-Chalmers reaction, with a minimum level of gamma radiation coming from the Am-Be source. For the first time, we demonstrate that the <sup>128</sup>I extraction yield, after a sizable <i>post-irradiation</i> time, can be maximized with a <i>suitable dilution</i>. The origin of this curious effect is still unclear; while a role played by some contaminant can not be excluded, an alternative suggestion could arise from evolution of intermolecular interactions recently observed when alkyl-iodides are mixed with ethanol.</p>

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Retention effects in the Szilard-Chalmers reaction for solutions of ethyl iodide and ethanol

  • 期刊论文

  • 发表日期：

    2025年6月17日

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  • L. Redigolo,
  • A. Massara,
  • M. Ursino,
  • S. Russo,
  • R. Leanza,
  • G. Sapienza,
  • A. Miraglia,
  • M. D’Andrea,
  • D. Dell’Aquila,
  • I. Lombardo

摘要

This work explores the effects of dilution on the retention phenomena of radioactive atoms produced in the Szilard-Chalmers reaction, with a minimum level of gamma radiation coming from the Am-Be source. For the first time, we demonstrate that the 128I extraction yield, after a sizable post-irradiation time, can be maximized with a suitable dilution. The origin of this curious effect is still unclear; while a role played by some contaminant can not be excluded, an alternative suggestion could arise from evolution of intermolecular interactions recently observed when alkyl-iodides are mixed with ethanol.