New perspectives on the use of Ra-224/Ra-228 and Rn-222/Ra-226 activity ratios in groundwater studies

Diego-Feliu, M; Rodellas, V; Saaltink, MW; Alorda-Kleinglass, A; Goyetche, T; Martinez-Perez, L; Folch, A; Garcia-Orellana, J

Diego-Feliu, M (corresponding author), Univ Autonoma Barcelona, ICTA, E-08193 Bellaterra, Spain.

JOURNAL OF HYDROLOGY, 2021; 596 ():

Abstract

The naturally occurring Ra isotopes (Ra-223; T-1/2 = 11.4 d, Ra-224; T-1/2 = 3.66 d, Ra-226; T-1/2 = 1,600 y, and Ra-228; T-1/2 = 5.7 y) and Rn (Rn-22......

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