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Determination of 241Am in sediments by isotope dilution high resolution inductively coupled plasma mass spectrometry (ID HR ICP-MS)


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Agarande M, Benzoubir S, Bouisset P, Calmet D. Applied Radiations and Isotopes 2001 Aug;55(2):161-5

Type de document > *Article de revue

Mots clés > métrologie des traces de radioactivité, ICP-MS, sédiment

Unité de recherche > IRSN/DEI/STEME/LMRE

Auteurs > AGARANDE Michèle, BOUISSET Patrick

Date de publication > 01/01/2001

Résumé

Trace levels (pg kg(-1)) of 241Am in sediments were determined by isotope dilution high resolution inductively coupled plasma mass spectrometry (ID HR ICP-MS) using a microconcentric nebulizer. 241Am was isolated from major elements like Ca and Fe by different selective precipitations. In further steps. Am was first separated from other transuranic elements and purified by anion exchange and extraction chromatography prior to the mass spectrometric measurements. The ID HR ICP-MS results are compared with isotope dilution alpha spectrometry.