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<p>This study presents a hot cell-integrated inductively coupled plasma optical emission spectrometry (ICP-OES) instrument designed for the direct analysis of high-level liquid waste(HLLW). To overcome the constraints of conventional ICP-OES in high-radiation environments, the system physically separates the plasma generation and sample introduction modules within a hot cell from the radiation-sensitive radio-frequency power supply and optical detection system located externally. A frequency-tunable resonant power supply addresses impedance mismatch from the lengthened load coil, while a folded-path relay optics channel ensures precise long-distance light transmission. The system enables direct multi-element analysis of HLLW without requiring separation of highly radioactive nuclides, offering a robust approach to support vitrification process research.</p>

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Development of a hot cell-integrated ICP-OES for direct analysis of high-level liquid waste

  • 期刊论文

  • 发表日期：

    2026年7月20日

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  • Han Yang,
  • Zhiheng Wang,
  • Xiaofeng Xia,
  • Yufei Zhao,
  • Quanwei Liu,
  • Zhaoqing Zhang,
  • Li Li,
  • Xiuli Zhang

摘要

This study presents a hot cell-integrated inductively coupled plasma optical emission spectrometry (ICP-OES) instrument designed for the direct analysis of high-level liquid waste(HLLW). To overcome the constraints of conventional ICP-OES in high-radiation environments, the system physically separates the plasma generation and sample introduction modules within a hot cell from the radiation-sensitive radio-frequency power supply and optical detection system located externally. A frequency-tunable resonant power supply addresses impedance mismatch from the lengthened load coil, while a folded-path relay optics channel ensures precise long-distance light transmission. The system enables direct multi-element analysis of HLLW without requiring separation of highly radioactive nuclides, offering a robust approach to support vitrification process research.