Antimony isotope-delta values of pure mono-elemental solutions measured by Instrumental Neutron Activation Analysis

IF 3.2 2区化学 Q1 SPECTROSCOPY

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2025-04-24 DOI:10.1016/j.sab.2025.107220

Giancarlo D'Agostino, Luigi Bergamaschi, Marco Di Luzio

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Abstract

A method based on Instrumental Neutron Activation Analysis was established for the determination of isotope-delta values of pure Sb mono-elemental solutions. The measurement equation was developed to model all quantities related to the physical principles of nuclear neutron activation and instrumental effects of

γ

-spectrometry. The method was applied and tested in case the isotope-delta value is known to be zero to highlight systematic errors and evaluate the achievable uncertainty. A negligible 0.01 ‰ deviation was observed from the expected zero value with a 0.24 ‰ combined uncertainty due to counting statistics and pointed out to be the main contributor by the budget compiled using the developed measurement equation. The achieved uncertainty, close to the ultimate limit of INAA in isotopic abundance determinations, makes the method competitive for linking secondary to primary Sb isotopic reference solutions.

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用仪器中子活化分析法测定纯单元素溶液的锑同位素δ值

建立了基于仪器中子活化分析的纯Sb单元素溶液同位素δ值测定方法。建立了测量方程，以模拟与核中子活化物理原理和γ能谱仪效应有关的所有量。在已知同位素δ值为零的情况下应用并测试了该方法，以突出系统误差并评估可实现的不确定度。与预期零值的偏差为0.01‰，可忽略不计，由于计数统计的综合不确定性为0.24‰，这是使用所开发的测量方程编制的预算指出的主要因素。所获得的不确定度接近INAA在同位素丰度测定中的极限，使该方法在连接次级和初级Sb同位素参考溶液方面具有竞争力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Spectrochimica Acta Part B: Atomic Spectroscopy 物理-光谱学

CiteScore

6.10

自引率

12.10%

发文量

173

审稿时长

81 days

期刊介绍： Spectrochimica Acta Part B: Atomic Spectroscopy, is intended for the rapid publication of both original work and reviews in the following fields: Atomic Emission (AES), Atomic Absorption (AAS) and Atomic Fluorescence (AFS) spectroscopy; Mass Spectrometry (MS) for inorganic analysis covering Spark Source (SS-MS), Inductively Coupled Plasma (ICP-MS), Glow Discharge (GD-MS), and Secondary Ion Mass Spectrometry (SIMS). Laser induced atomic spectroscopy for inorganic analysis, including non-linear optical laser spectroscopy, covering Laser Enhanced Ionization (LEI), Laser Induced Fluorescence (LIF), Resonance Ionization Spectroscopy (RIS) and Resonance Ionization Mass Spectrometry (RIMS); Laser Induced Breakdown Spectroscopy (LIBS); Cavity Ringdown Spectroscopy (CRDS), Laser Ablation Inductively Coupled Plasma Atomic Emission Spectroscopy (LA-ICP-AES) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). X-ray spectrometry, X-ray Optics and Microanalysis, including X-ray fluorescence spectrometry (XRF) and related techniques, in particular Total-reflection X-ray Fluorescence Spectrometry (TXRF), and Synchrotron Radiation-excited Total reflection XRF (SR-TXRF). Manuscripts dealing with (i) fundamentals, (ii) methodology development, (iii)instrumentation, and (iv) applications, can be submitted for publication.