Research on the Standard Single Element Response Spectrum (SSERS) method for bulk samples determination with PGAA technology

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL

Radiation Physics and Chemistry Pub Date : 2025-01-03 DOI:10.1016/j.radphyschem.2025.112516

Daqian Hei, Enkang Luo, Jiatong Li, Wenbao Jia, Can Cheng, Pingkun Cai, Lian Chen, Yajun Tang, Zhen Li

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引用次数: 0

Abstract

Prompt gamma ray activation analysis (PGAA) is a powerful non-destructive analytical method for bulk chemical composition. The prompt gamma ray spectra usually contain lots of peaks, and the measuring accuracy is often affected by the overlapping peaks and interference from neutron self-shielding effect, especially for filed application with a scintillator detector. Qualitative and quantitative analyses can only be performed by reliable spectra analytical approach. In this work, a new spectrum analysis method, which based on the elemental library spectra together with the neutron self-shielding correction model, is investigated for bulk sample determination. Based on the corrected measured spectra of complex samples after neutron self-shielding correction, the Standard Single Element Response Spectra (SSERS) are calculated for establishing the elemental library. For investigating the feasibility of the mentioned method, the method was applied for element detection of aqueous solutions containing chlorine (Cl), boron (B), cadmium (Cd) and mercury (Hg), with a designed PGAA detection system. The results indicate that the new spectra analytical method is efficient for bulk sample determination and accurate for the elemental analysis for aqueous solutions under the present experimental conditions.

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.