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<p>This study evaluates the k₀-INAA method at Algeria’s NUR reactor for precise multi-element analysis. The HPGe detector was calibrated for accurate gamma-ray spectrometry, while reactor calibration characterized neutron fluxes and alpha and <i>f</i> spectrum parameters using triple monitor method in three NAA channels covering short, medium and long irradiation. The k₀-standardization method was applied to geological (CRM-GSD12) and biological (SRM-NIST1573a) reference materials, with quality assurance through ratio analysis and Zeta-score evaluation. Results showed strong agreement with certified values, with most Zeta-scores within ± 1, confirming the method’s precision and reliability for elemental analysis under optimized calibration and irradiation conditions.</p>

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Development and validation of the k0-standardization based neutron activation analysis (k0-NAA) at NUR research reactor

  • 期刊论文

  • 发表日期：

    2025年9月26日

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  • A. Guesmia,
  • L. Hamidatou,
  • H. Slamene,
  • T. Azli,
  • M. E. A. Benamar

摘要

This study evaluates the k₀-INAA method at Algeria’s NUR reactor for precise multi-element analysis. The HPGe detector was calibrated for accurate gamma-ray spectrometry, while reactor calibration characterized neutron fluxes and alpha and f spectrum parameters using triple monitor method in three NAA channels covering short, medium and long irradiation. The k₀-standardization method was applied to geological (CRM-GSD12) and biological (SRM-NIST1573a) reference materials, with quality assurance through ratio analysis and Zeta-score evaluation. Results showed strong agreement with certified values, with most Zeta-scores within ± 1, confirming the method’s precision and reliability for elemental analysis under optimized calibration and irradiation conditions.