利用PdI2靶进行加速器质谱法测定环境样品中129I的新分析技术

IF 1.6 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-08-21 DOI:10.1007/s10967-025-10324-7

Maki Honda, Yuichi Takaku, Aya Sakaguchi, Hiroyuki Matsuzaki, Keisuke Sueki

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引用次数: 0

摘要

通过定量混合129I/127I同位素标准溶液和127I溶液，制备了一系列适合AMS的内部PdI2标准。通过调整静电圆柱形分析仪等对离子束进行精细选择，成功地抑制了104,105Pd4+的优势干扰。结果表明，从海水和白云石样品中制备的PdI2的129I/127I原子比与制备的AgI原子比一致。与传统方法相比，新方法的预处理时间缩短了33%。本研究展示了一种不同于传统方法的AMS 129I分析新方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A new analytical technique utilizing the PdI2 target for measurement of 129I in environmental samples by accelerator mass spectrometry

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A new analytical technique utilizing the PdI2 target for measurement of 129I in environmental samples by accelerator mass spectrometry

A series of in-house PdI₂ standards appropriate for AMS was prepared by quantitatively mixing the ¹²⁹I/¹²⁷I isotope standard solution and ¹²⁷I solution. The dominant interferences from ^104,105Pd⁴⁺ were successfully suppressed by adjusting the electrostatic cylindrical analyser, etc., to select the ion beams finely. As a result, the ¹²⁹I/¹²⁷I atom ratios of PdI₂ prepared from the seawater and dolomite samples agreed with those prepared as AgI, respectively. The pretreatment time for the new method was shortened by 33% compared to the conventional method. This study demonstrated a new approach to ¹²⁹I analysis in AMS that departs from conventional methods.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.