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Rapid concentration method for radiocesium in seawater using AMP-PAN resin and sample loading equipment

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Abstract

Here, we present a method for concentrating radiocesium in seawater using ammonium molybdophosphate-polyacrylonitrile (AMP-PAN) resin using custom-made sample-loading equipment. It was designed to reduce analytical time and labor with eight peristaltic pumps connected in parallel with eight columns, each packed with AMP-PAN. Eighty liters of seawater containing radiocesium were concentrated to 0.01 L in 6 h with the proposed method and Cs recovery was > 85%. The minimum detectable activity was 0.2 mBq L–1 at 160,000-s measurement with a high-purity germanium detector.

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Funding

This work was supported by the Nuclear Safety Research Program through the Korea Foundation Of Nuclear Safety (KoFONS) using the financial resource granted by the Nuclear Safety and Security Commission (NSSC) of the Republic of Korea (No. 00231329).

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Authors and Affiliations

  1. Environmental Radioactivity Assessment Team, Korea Atomic Energy Research Institute, 111 Daedeokdae-ro 989 Beongil, Yuseong-gu, Daejeon, 34057, Korea

    Gahyun Kim, Jong-Myoung Lim & Hyuncheol Kim

  2. Nuclear Science and Technology, University of Science and Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon, 34113, Korea

    Gahyun Kim & Hyuncheol Kim

Authors
  1. Gahyun Kim
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  2. Jong-Myoung Lim
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Contributions

Conceptualization, Methodology, Formal analysis, and Investigation: Gahyun Kim and Hyuncheol Kim, Original draft preparation: Gahyun Kim, Reviewing: Jong-Myoung Lim, Reviewing and editing, Funding acquisition: Hyuncheol Kim.

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Correspondence to Hyuncheol Kim.

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Kim, G., Lim, JM. & Kim, H. Rapid concentration method for radiocesium in seawater using AMP-PAN resin and sample loading equipment. J Radioanal Nucl Chem (2024). https://doi.org/10.1007/s10967-024-09465-y

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  • DOI: https://doi.org/10.1007/s10967-024-09465-y

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