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<p>The present study investigates the effect of ionizing radiation on the separation of radioactive elements via DCC with NTA-based eluents, using an external irradiation model. The separation efficiency was investigated within the absorbed dose range of 0–1.7 MGy per eluent. As the absorbed dose increases, the pH of the filtrate rises, the concentration of the eluent decreases, and the process accelerates. Initially, there is an increase in the concentration of emerging elements, which subsequently decreases. The primary finding was that an absorbed dose of up to 0.4 MGy per eluent and up to 3 MGy per sorbent improves the separation.</p>

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Effect of ionizing radiation on the separation of radioactive elements via displacement complexing chromatography (DCC) with nitrilotriacetic acid (NTA) -based eluents

  • 期刊论文

  • 发表日期：

    2026年1月22日

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  • Oleg V. Kharitonov,
  • Lyubov A. Firsova,
  • Evgeny A. Kozlitin

摘要

The present study investigates the effect of ionizing radiation on the separation of radioactive elements via DCC with NTA-based eluents, using an external irradiation model. The separation efficiency was investigated within the absorbed dose range of 0–1.7 MGy per eluent. As the absorbed dose increases, the pH of the filtrate rises, the concentration of the eluent decreases, and the process accelerates. Initially, there is an increase in the concentration of emerging elements, which subsequently decreases. The primary finding was that an absorbed dose of up to 0.4 MGy per eluent and up to 3 MGy per sorbent improves the separation.