Open AccessStudies of 137Cs absorption-desorption processes in sediments, using γ-ray spectroscopy
Author(s) -
T. J. Mertzimekis,
K. G. Ioannides,
C. Papachristodoulou,
Kostas Stamoulis,
D. Karamanis
Publication year - 2020
Publication title -
hnps advances in nuclear physics
Language(s) - English
Resource type - Journals
eISSN - 2654-0088
pISSN - 2654-007X
DOI - 10.12681/hnps.2937
Subject(s) - desorption , sorption , caesium , sediment , adsorption , absorption (acoustics) , environmental chemistry , kinetics , chemistry , environmental science , analytical chemistry (journal) , materials science , geology , inorganic chemistry , geomorphology , physics , quantum mechanics , composite material
The description of 137Cs behavior during water to sediment transport generally involves the characterization of the sorption process in a particular hydro-geological system by certain prescribed kinetics parameters, hi the present work the kinetics of radiocesium sorption and desorption and the corresponding radiocesium distribution profiles in lake sediment cores were investigated. Radiocesium reaches rapidly (< than 5 d) at a depth which does not exceed 4 cm. The desorption of radiocesium was found to depend upon cation concentrations. Empirical laws were derived both for cesium adsorption and desorption.