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Updated: Jan 26, 2026

Semi-Quantitative Analysis of Peptidoglycan by Liquid Chromatography Mass Spectrometry and Bioinformatics
Published on: October 13, 2020
Radiopurity assay of archaeological lead and related compounds for astroparticle physics by mass spectrometry and
Luigi Cappelli1, Massimiliano Clemenza2, Federico Filippini3
1INFN - Laboratori Nazionali del Gran Sasso, 67100, Assergi, L'Aquila, Italy.
Abstract:
A novel and rapid method is introduced for determining thorium (Th) and uranium (U) concentrations in archaeological lead and related compounds to be used in astroparticle physic. This method involves chromatographic pre-concentration and inductively coupled plasma mass spectrometry (ICP-MS). Combined data from mass spectrometry and gamma-ray spectrometry measurements are presented. Excellent results were achieved in terms of reliability and sensitivity (ngˑkg-1), even without introducing Th and U isotopes as tracers.
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