研究了一种新的三步激发方案，用于RIMS超痕量分析钚。

IF 3.8 2区化学 Q1 BIOCHEMICAL RESEARCH METHODS

Analytical and Bioanalytical Chemistry Pub Date : 2025-08-23 DOI:10.1007/s00216-025-06062-0

Felix Berg, Tobias Reich

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引用次数: 0

摘要

研究了Galindo-Uribarri等人报道的一种新的三步激发方案，该方案用于共振电离质谱超痕量分析242 Pu。测量了钚同位素238 - 240,244pu的第二激发和电离步骤中以前未知的光学同位素位移。记录饱和功率，并参照gr ning等人在我们的装置中常规应用的既定方案，通过238 Pu的电沉积来比较效率。两种方案具有相同的第一激发步骤，并使用里德伯态作为电离步骤。证实了Galindo-Uribarri等人发表的242 Pu的共振。

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Investigating a novel three-step excitation scheme for the ultra-trace analysis of plutonium via RIMS

A novel three-step excitation scheme for the ultra-trace analysis of \(^{242}\)Pu via resonance ionization mass spectrometry reported by Galindo-Uribarri et al. was investigated. Previously unknown optical isotope shifts for the second excitation and ionizing step for the plutonium isotopes \(^{238-240,244}\)Pu were measured. Saturation powers were recorded, and the efficiency was compared via electrodepositions of \(^{238}\)Pu with reference to the established scheme by Grüning et al. routinely applied on our setup. Both schemes share the same first excitation step and use a Rydberg state as ionizing step. The resonances for \(^{242}\)Pu published by Galindo-Uribarri et al. were confirmed.

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来源期刊

Analytical and Bioanalytical Chemistry 化学-分析化学

CiteScore

8.00

自引率

4.70%

发文量

638

审稿时长

2.1 months

期刊介绍： Analytical and Bioanalytical Chemistry’s mission is the rapid publication of excellent and high-impact research articles on fundamental and applied topics of analytical and bioanalytical measurement science. Its scope is broad, and ranges from novel measurement platforms and their characterization to multidisciplinary approaches that effectively address important scientific problems. The Editors encourage submissions presenting innovative analytical research in concept, instrumentation, methods, and/or applications, including: mass spectrometry, spectroscopy, and electroanalysis; advanced separations; analytical strategies in “-omics” and imaging, bioanalysis, and sampling; miniaturized devices, medical diagnostics, sensors; analytical characterization of nano- and biomaterials; chemometrics and advanced data analysis.