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Attenuation of Pu, Am, Cs and Sr Mobility in Concrete
Published online by Cambridge University Press: 28 February 2011
Abstract
Sorption experiments with 85Sr, 137CS, 239pu and 241Am on four types of concrete (normal density, normal density with fly ash, high density and high density with silica fume) were carried out in a predominantly CaCl2 groundwater, in a predominantly NaCl groundwater and in nitrate solutions. Subsequently, autoradiography was used to identify the sorption pattern on the concrete surfaces. In order to distinguish the effects of chemical sorption from that of variable surface area, the effective surface area was used to derive reactive- surface-related distribution coefficients instead of the geometric- surface-related distribution coefficients.
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- Copyright © Materials Research Society 1987
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