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  • Title: Determination of alpha activity in solid samples by leaching or digestion.
    Author: de la Torre Pérez J, Jurado Vargas M, Martín Sánchez A, Rubio Montero MP, Ruano Sánchez AB.
    Journal: Appl Radiat Isot; 2013 Nov; 81():49-52. PubMed ID: 23578908.
    Abstract:
    The analysis of solid environmental samples by α-particle spectrometry generally involves processes requiring an initial treatment to destroy the complexes in the matrix, and dissolve the radionuclides of interest. This study compared the activities obtained for several natural radionuclides ((238)U, (234)U, (230)Th, (226)Ra, and (210)Po) in previously well-characterized materials, using two procedures: acid leaching and digestion in a microwave oven. The measured activities were in general very similar for the two procedures, with a strong statistical correlation between the two sets of values.
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